# HG changeset patch
# User veltr
# Date 1366723400 -7200
# Node ID 1615c7e4ef9d041d9227946ef39a0f8d8cf64e9f
# Parent  c472984db275f7795d4ee6c599727e27b69ebcb3
Updated Renkan4Metadataplayer

diff -r c472984db275 -r 1615c7e4ef9d src/js/defaults.js
--- a/src/js/defaults.js	Wed Apr 03 15:44:17 2013 +0200
+++ b/src/js/defaults.js	Tue Apr 23 15:23:20 2013 +0200
@@ -21,7 +21,7 @@
         backboneRelational: "backbone-relational.js",
         paper: "paper.js",
         jqueryMousewheel: "jquery.mousewheel.min.js",
-        renkanPublish: "renkan-publish.js",
+        renkanPublish: "renkan.js",
         processing: "processing-1.3.6.min.js",
         recordMicSwf: "record_mic.swf"
     },
diff -r c472984db275 -r 1615c7e4ef9d src/js/libs/backbone-relational.js
--- a/src/js/libs/backbone-relational.js	Wed Apr 03 15:44:17 2013 +0200
+++ b/src/js/libs/backbone-relational.js	Tue Apr 23 15:23:20 2013 +0200
@@ -1,6 +1,7 @@
+/* vim: set tabstop=4 softtabstop=4 shiftwidth=4 noexpandtab: */
 /**
- * Backbone-relational.js 0.6.0
- * (c) 2011 Paul Uithol
+ * Backbone-relational.js 0.8.5
+ * (c) 2011-2013 Paul Uithol and contributors (https://github.com/PaulUithol/Backbone-relational/graphs/contributors)
  * 
  * Backbone-relational may be freely distributed under the MIT license; see the accompanying LICENSE.txt.
  * For details and documentation: https://github.com/PaulUithol/Backbone-relational.
@@ -8,7 +9,7 @@
  */
 ( function( undefined ) {
 	"use strict";
-	
+
 	/**
 	 * CommonJS shim
 	 **/
@@ -34,7 +35,7 @@
 	Backbone.Semaphore = {
 		_permitsAvailable: null,
 		_permitsUsed: 0,
-		
+
 		acquire: function() {
 			if ( this._permitsAvailable && this._permitsUsed >= this._permitsAvailable ) {
 				throw new Error( 'Max permits acquired' );
@@ -43,7 +44,7 @@
 				this._permitsUsed++;
 			}
 		},
-		
+
 		release: function() {
 			if ( this._permitsUsed === 0 ) {
 				throw new Error( 'All permits released' );
@@ -52,11 +53,11 @@
 				this._permitsUsed--;
 			}
 		},
-		
+
 		isLocked: function() {
 			return this._permitsUsed > 0;
 		},
-		
+
 		setAvailablePermits: function( amount ) {
 			if ( this._permitsUsed > amount ) {
 				throw new Error( 'Available permits cannot be less than used permits' );
@@ -64,7 +65,7 @@
 			this._permitsAvailable = amount;
 		}
 	};
-	
+
 	/**
 	 * A BlockingQueue that accumulates items while blocked (via 'block'),
 	 * and processes them when unblocked (via 'unblock').
@@ -75,7 +76,7 @@
 	};
 	_.extend( Backbone.BlockingQueue.prototype, Backbone.Semaphore, {
 		_queue: null,
-		
+
 		add: function( func ) {
 			if ( this.isBlocked() ) {
 				this._queue.push( func );
@@ -84,34 +85,34 @@
 				func();
 			}
 		},
-		
+
 		process: function() {
 			while ( this._queue && this._queue.length ) {
 				this._queue.shift()();
 			}
 		},
-		
+
 		block: function() {
 			this.acquire();
 		},
-		
+
 		unblock: function() {
 			this.release();
 			if ( !this.isBlocked() ) {
 				this.process();
 			}
 		},
-		
+
 		isBlocked: function() {
 			return this.isLocked();
 		}
 	});
 	/**
-	 * Global event queue. Accumulates external events ('add:<key>', 'remove:<key>' and 'update:<key>')
+	 * Global event queue. Accumulates external events ('add:<key>', 'remove:<key>' and 'change:<key>')
 	 * until the top-level object is fully initialized (see 'Backbone.RelationalModel').
 	 */
 	Backbone.Relational.eventQueue = new Backbone.BlockingQueue();
-	
+
 	/**
 	 * Backbone.Store keeps track of all created (and destruction of) Backbone.RelationalModel.
 	 * Handles lookup for relations.
@@ -119,15 +120,44 @@
 	Backbone.Store = function() {
 		this._collections = [];
 		this._reverseRelations = [];
+		this._orphanRelations = [];
 		this._subModels = [];
 		this._modelScopes = [ exports ];
 	};
 	_.extend( Backbone.Store.prototype, Backbone.Events, {
+		/**
+		 * Create a new `Relation`.
+		 * @param {Backbone.RelationalModel} [model]
+		 * @param {Object} relation
+		 * @param {Object} [options]
+		 */
+		initializeRelation: function( model, relation, options ) {
+			var type = !_.isString( relation.type ) ? relation.type : Backbone[ relation.type ] || this.getObjectByName( relation.type );
+			if ( type && type.prototype instanceof Backbone.Relation ) {
+				new type( model, relation, options ); // Also pushes the new Relation into `model._relations`
+			}
+			else {
+				Backbone.Relational.showWarnings && typeof console !== 'undefined' && console.warn( 'Relation=%o; missing or invalid relation type!', relation );
+			}
+		},
+
+		/**
+		 * Add a scope for `getObjectByName` to look for model types by name.
+		 * @param {Object} scope
+		 */
 		addModelScope: function( scope ) {
 			this._modelScopes.push( scope );
 		},
 
 		/**
+		 * Remove a scope.
+		 * @param {Object} scope
+		 */
+		removeModelScope: function( scope ) {
+			this._modelScopes = _.without( this._modelScopes, scope );
+		},
+
+		/**
 		 * Add a set of subModelTypes to the store, that can be used to resolve the '_superModel'
 		 * for a model later in 'setupSuperModel'.
 		 *
@@ -149,7 +179,7 @@
 		 */
 		setupSuperModel: function( modelType ) {
 			_.find( this._subModels, function( subModelDef ) {
-				return _.find( subModelDef.subModels, function( subModelTypeName, typeValue ) {
+				return _.find( subModelDef.subModels || [], function( subModelTypeName, typeValue ) {
 					var subModelType = this.getObjectByName( subModelTypeName );
 
 					if ( modelType === subModelType ) {
@@ -165,7 +195,7 @@
 				}, this );
 			}, this );
 		},
-		
+
 		/**
 		 * Add a reverse relation. Is added to the 'relations' property on model's prototype, and to
 		 * existing instances of 'model' in the store as well.
@@ -177,74 +207,108 @@
 		 */
 		addReverseRelation: function( relation ) {
 			var exists = _.any( this._reverseRelations, function( rel ) {
-					return _.all( relation, function( val, key ) {
-							return val === rel[ key ];
-						});
+				return _.all( relation || [], function( val, key ) {
+					return val === rel[ key ];
 				});
+			});
 			
 			if ( !exists && relation.model && relation.type ) {
 				this._reverseRelations.push( relation );
-				
-				var addRelation = function( model, relation ) {
-					if ( !model.prototype.relations ) {
-						model.prototype.relations = [];
-					}
-					model.prototype.relations.push( relation );
-					
-					_.each( model._subModels, function( subModel ) {
-							addRelation( subModel, relation );
-						}, this );
-				};
-				
-				addRelation( relation.model, relation );
-				
+				this._addRelation( relation.model, relation );
 				this.retroFitRelation( relation );
 			}
 		},
-		
+
+		/**
+		 * Deposit a `relation` for which the `relatedModel` can't be resolved at the moment.
+		 *
+		 * @param {Object} relation
+		 */
+		addOrphanRelation: function( relation ) {
+			var exists = _.any( this._orphanRelations, function( rel ) {
+				return _.all( relation || [], function( val, key ) {
+					return val === rel[ key ];
+				});
+			});
+
+			if ( !exists && relation.model && relation.type ) {
+				this._orphanRelations.push( relation );
+			}
+		},
+
+		/**
+		 * Try to initialize any `_orphanRelation`s
+		 */
+		processOrphanRelations: function() {
+			// Make sure to operate on a copy since we're removing while iterating
+			_.each( this._orphanRelations.slice( 0 ), function( rel ) {
+				var relatedModel = Backbone.Relational.store.getObjectByName( rel.relatedModel );
+				if ( relatedModel ) {
+					this.initializeRelation( null, rel );
+					this._orphanRelations = _.without( this._orphanRelations, rel );
+				}
+			}, this );
+		},
+
+		/**
+		 *
+		 * @param {Backbone.RelationalModel.constructor} type
+		 * @param {Object} relation
+		 * @private
+		 */
+		_addRelation: function( type, relation ) {
+			if ( !type.prototype.relations ) {
+				type.prototype.relations = [];
+			}
+			type.prototype.relations.push( relation );
+
+			_.each( type._subModels || [], function( subModel ) {
+				this._addRelation( subModel, relation );
+			}, this );
+		},
+
 		/**
 		 * Add a 'relation' to all existing instances of 'relation.model' in the store
 		 * @param {Object} relation
 		 */
 		retroFitRelation: function( relation ) {
-			var coll = this.getCollection( relation.model );
-			coll.each( function( model ) {
+			var coll = this.getCollection( relation.model, false );
+			coll && coll.each( function( model ) {
 				if ( !( model instanceof relation.model ) ) {
 					return;
 				}
 
 				new relation.type( model, relation );
-			}, this);
+			}, this );
 		},
-		
+
 		/**
 		 * Find the Store's collection for a certain type of model.
-		 * @param {Backbone.RelationalModel} model
+		 * @param {Backbone.RelationalModel} type
+		 * @param {Boolean} [create=true] Should a collection be created if none is found?
 		 * @return {Backbone.Collection} A collection if found (or applicable for 'model'), or null
 		 */
-		getCollection: function( model ) {
-			if ( model instanceof Backbone.RelationalModel ) {
-				model = model.constructor;
+		getCollection: function( type, create ) {
+			if ( type instanceof Backbone.RelationalModel ) {
+				type = type.constructor;
 			}
 			
-			var rootModel = model;
+			var rootModel = type;
 			while ( rootModel._superModel ) {
 				rootModel = rootModel._superModel;
 			}
 			
-			var coll = _.detect( this._collections, function( c ) {
-					return c.model === rootModel;
-				});
+			var coll = _.findWhere( this._collections, { model: rootModel } );
 			
-			if ( !coll ) {
+			if ( !coll && create !== false ) {
 				coll = this._createCollection( rootModel );
 			}
 			
 			return coll;
 		},
-		
+
 		/**
-		 * Find a type on the global object by name. Splits name on dots.
+		 * Find a model type on one of the modelScopes by name. Names are split on dots.
 		 * @param {String} name
 		 * @return {Object}
 		 */
@@ -253,8 +317,8 @@
 				type = null;
 
 			_.find( this._modelScopes, function( scope ) {
-				type = _.reduce( parts, function( memo, val ) {
-					return memo[ val ];
+				type = _.reduce( parts || [], function( memo, val ) {
+					return memo ? memo[ val ] : undefined;
 				}, scope );
 
 				if ( type && type !== scope ) {
@@ -264,7 +328,7 @@
 
 			return type;
 		},
-		
+
 		_createCollection: function( type ) {
 			var coll;
 			
@@ -311,7 +375,7 @@
 		},
 
 		/**
-		 *
+		 * Find a specific model of a certain `type` in the store
 		 * @param type
 		 * @param {String|Number|Object|Backbone.RelationalModel} item
 		 */
@@ -331,52 +395,82 @@
 
 			return null;
 		},
-		
+
 		/**
-		 * Add a 'model' to it's appropriate collection. Retain the original contents of 'model.collection'.
+		 * Add a 'model' to its appropriate collection. Retain the original contents of 'model.collection'.
 		 * @param {Backbone.RelationalModel} model
 		 */
 		register: function( model ) {
 			var coll = this.getCollection( model );
 
 			if ( coll ) {
-				if ( coll.get( model ) ) {
-					throw new Error( "Cannot instantiate more than one Backbone.RelationalModel with the same id per type!" );
-				}
-
 				var modelColl = model.collection;
 				coll.add( model );
-				model.bind( 'destroy', this.unregister, this );
+				this.listenTo( model, 'destroy', this.unregister, this );
 				model.collection = modelColl;
 			}
 		},
-		
+
 		/**
-		 * Explicitly update a model's id in it's store collection
+		 * Check if the given model may use the given `id`
+		 * @param model
+		 * @param [id]
+		 */
+		checkId: function( model, id ) {
+			var coll = this.getCollection( model ),
+				duplicate = coll && coll.get( id );
+
+			if ( duplicate && model !== duplicate ) {
+				if ( Backbone.Relational.showWarnings && typeof console !== 'undefined' ) {
+					console.warn( 'Duplicate id! Old RelationalModel=%o, new RelationalModel=%o', duplicate, model );
+				}
+
+				throw new Error( "Cannot instantiate more than one Backbone.RelationalModel with the same id per type!" );
+			}
+		},
+
+		/**
+		 * Explicitly update a model's id in its store collection
 		 * @param {Backbone.RelationalModel} model
 		 */
 		update: function( model ) {
 			var coll = this.getCollection( model );
+			// This triggers updating the lookup indices kept in a collection
 			coll._onModelEvent( 'change:' + model.idAttribute, model, coll );
+
+			// Trigger an event on model so related models (having the model's new id in their keyContents) can add it.
+			model.trigger( 'relational:change:id', model, coll );
 		},
-		
+
 		/**
 		 * Remove a 'model' from the store.
 		 * @param {Backbone.RelationalModel} model
 		 */
 		unregister: function( model ) {
-			model.unbind( 'destroy', this.unregister );
+			this.stopListening( model, 'destroy', this.unregister );
 			var coll = this.getCollection( model );
 			coll && coll.remove( model );
+		},
+
+		/**
+		 * Reset the `store` to it's original state. The `reverseRelations` are kept though, since attempting to
+		 * re-initialize these on models would lead to a large amount of warnings.
+		 */
+		reset: function() {
+			this.stopListening();
+			this._collections = [];
+			this._subModels = [];
+			this._modelScopes = [ exports ];
 		}
 	});
 	Backbone.Relational.store = new Backbone.Store();
-	
+
 	/**
 	 * The main Relation class, from which 'HasOne' and 'HasMany' inherit. Internally, 'relational:<key>' events
 	 * are used to regulate addition and removal of models from relations.
 	 *
-	 * @param {Backbone.RelationalModel} instance
+	 * @param {Backbone.RelationalModel} [instance] Model that this relation is created for. If no model is supplied,
+	 *      Relation just tries to instantiate it's `reverseRelation` if specified, and bails out after that.
 	 * @param {Object} options
 	 * @param {string} options.key
 	 * @param {Backbone.RelationalModel.constructor} options.relatedModel
@@ -385,41 +479,30 @@
 	 * @param {Object} [options.reverseRelation] Specify a bi-directional relation. If provided, Relation will reciprocate
 	 *    the relation to the 'relatedModel'. Required and optional properties match 'options', except that it also needs
 	 *    {Backbone.Relation|String} type ('HasOne' or 'HasMany').
+	 * @param {Object} opts
 	 */
-	Backbone.Relation = function( instance, options ) {
+	Backbone.Relation = function( instance, options, opts ) {
 		this.instance = instance;
 		// Make sure 'options' is sane, and fill with defaults from subclasses and this object's prototype
 		options = _.isObject( options ) ? options : {};
 		this.reverseRelation = _.defaults( options.reverseRelation || {}, this.options.reverseRelation );
+		this.options = _.defaults( options, this.options, Backbone.Relation.prototype.options );
+
 		this.reverseRelation.type = !_.isString( this.reverseRelation.type ) ? this.reverseRelation.type :
 			Backbone[ this.reverseRelation.type ] || Backbone.Relational.store.getObjectByName( this.reverseRelation.type );
-		this.model = options.model || this.instance.constructor;
-		this.options = _.defaults( options, this.options, Backbone.Relation.prototype.options );
-		
+
 		this.key = this.options.key;
 		this.keySource = this.options.keySource || this.key;
 		this.keyDestination = this.options.keyDestination || this.keySource || this.key;
 
-		// 'exports' should be the global object where 'relatedModel' can be found on if given as a string.
+		this.model = this.options.model || this.instance.constructor;
 		this.relatedModel = this.options.relatedModel;
 		if ( _.isString( this.relatedModel ) ) {
 			this.relatedModel = Backbone.Relational.store.getObjectByName( this.relatedModel );
 		}
 
 		if ( !this.checkPreconditions() ) {
-			return false;
-		}
-
-		if ( instance ) {
-			this.keyContents = this.instance.get( this.keySource );
-
-			// Explicitly clear 'keySource', to prevent a leaky abstraction if 'keySource' differs from 'key'.
-			if ( this.key !== this.keySource ) {
-				this.instance.unset( this.keySource, { silent: true } );
-			}
-
-			// Add this Relation to instance._relations
-			this.instance._relations.push( this );
+			return;
 		}
 
 		// Add the reverse relation on 'relatedModel' to the store's reverseRelations
@@ -428,25 +511,39 @@
 					isAutoRelation: true,
 					model: this.relatedModel,
 					relatedModel: this.model,
-					reverseRelation: this.options // current relation is the 'reverseRelation' for it's own reverseRelation
+					reverseRelation: this.options // current relation is the 'reverseRelation' for its own reverseRelation
 				},
 				this.reverseRelation // Take further properties from this.reverseRelation (type, key, etc.)
 			) );
 		}
 
-		_.bindAll( this, '_modelRemovedFromCollection', '_relatedModelAdded', '_relatedModelRemoved' );
+		if ( instance ) {
+			var contentKey = this.keySource;
+			if ( contentKey !== this.key && typeof this.instance.get( this.key ) === 'object' ) {
+				contentKey = this.key;
+			}
+
+			this.setKeyContents( this.instance.get( contentKey ) );
+			this.relatedCollection = Backbone.Relational.store.getCollection( this.relatedModel );
 
-		if ( instance ) {
-			this.initialize();
+			// Explicitly clear 'keySource', to prevent a leaky abstraction if 'keySource' differs from 'key'.
+			if ( this.keySource !== this.key ) {
+				this.instance.unset( this.keySource, { silent: true } );
+			}
 
-			// When a model in the store is destroyed, check if it is 'this.instance'.
-			Backbone.Relational.store.getCollection( this.instance )
-				.bind( 'relational:remove', this._modelRemovedFromCollection );
+			// Add this Relation to instance._relations
+			this.instance._relations[ this.key ] = this;
+
+			this.initialize( opts );
+
+			if ( this.options.autoFetch ) {
+				this.instance.fetchRelated( this.key, _.isObject( this.options.autoFetch ) ? this.options.autoFetch : {} );
+			}
 
 			// When 'relatedModel' are created or destroyed, check if it affects this relation.
-			Backbone.Relational.store.getCollection( this.relatedModel )
-				.bind( 'relational:add', this._relatedModelAdded )
-				.bind( 'relational:remove', this._relatedModelRemoved );
+			this.listenTo( this.instance, 'destroy', this.destroy )
+				.listenTo( this.relatedCollection, 'relational:add relational:change:id', this.tryAddRelated )
+				.listenTo( this.relatedCollection, 'relational:remove', this.removeRelated )
 		}
 	};
 	// Fix inheritance :\
@@ -456,35 +553,19 @@
 		options: {
 			createModels: true,
 			includeInJSON: true,
-			isAutoRelation: false
+			isAutoRelation: false,
+			autoFetch: false,
+			parse: false
 		},
-		
+
 		instance: null,
 		key: null,
 		keyContents: null,
 		relatedModel: null,
+		relatedCollection: null,
 		reverseRelation: null,
 		related: null,
-		
-		_relatedModelAdded: function( model, coll, options ) {
-			// Allow 'model' to set up it's relations, before calling 'tryAddRelated'
-			// (which can result in a call to 'addRelated' on a relation of 'model')
-			var dit = this;
-			model.queue( function() {
-				dit.tryAddRelated( model, options );
-			});
-		},
-		
-		_relatedModelRemoved: function( model, coll, options ) {
-			this.removeRelated( model, options );
-		},
-		
-		_modelRemovedFromCollection: function( model ) {
-			if ( model === this.instance ) {
-				this.destroy();
-			}
-		},
-		
+
 		/**
 		 * Check several pre-conditions.
 		 * @return {Boolean} True if pre-conditions are satisfied, false if they're not.
@@ -497,36 +578,33 @@
 				warn = Backbone.Relational.showWarnings && typeof console !== 'undefined';
 
 			if ( !m || !k || !rm ) {
-				warn && console.warn( 'Relation=%o; no model, key or relatedModel (%o, %o, %o)', this, m, k, rm );
+				warn && console.warn( 'Relation=%o: missing model, key or relatedModel (%o, %o, %o).', this, m, k, rm );
 				return false;
 			}
 			// Check if the type in 'model' inherits from Backbone.RelationalModel
 			if ( !( m.prototype instanceof Backbone.RelationalModel ) ) {
-				warn && console.warn( 'Relation=%o; model does not inherit from Backbone.RelationalModel (%o)', this, i );
+				warn && console.warn( 'Relation=%o: model does not inherit from Backbone.RelationalModel (%o).', this, i );
 				return false;
 			}
 			// Check if the type in 'relatedModel' inherits from Backbone.RelationalModel
 			if ( !( rm.prototype instanceof Backbone.RelationalModel ) ) {
-				warn && console.warn( 'Relation=%o; relatedModel does not inherit from Backbone.RelationalModel (%o)', this, rm );
+				warn && console.warn( 'Relation=%o: relatedModel does not inherit from Backbone.RelationalModel (%o).', this, rm );
 				return false;
 			}
 			// Check if this is not a HasMany, and the reverse relation is HasMany as well
 			if ( this instanceof Backbone.HasMany && this.reverseRelation.type === Backbone.HasMany ) {
-				warn && console.warn( 'Relation=%o; relation is a HasMany, and the reverseRelation is HasMany as well.', this );
+				warn && console.warn( 'Relation=%o: relation is a HasMany, and the reverseRelation is HasMany as well.', this );
 				return false;
 			}
+			// Check if we're not attempting to create a relationship on a `key` that's already used.
+			if ( i && _.keys( i._relations ).length ) {
+				var existing = _.find( i._relations, function( rel ) {
+					return rel.key === k;
+				}, this );
 
-			// Check if we're not attempting to create a duplicate relationship
-			if ( i && i._relations.length ) {
-				var exists = _.any( i._relations, function( rel ) {
-						var hasReverseRelation = this.reverseRelation.key && rel.reverseRelation.key;
-						return rel.relatedModel === rm && rel.key === k &&
-							( !hasReverseRelation || this.reverseRelation.key === rel.reverseRelation.key );
-					}, this );
-
-				if ( exists ) {
-					warn && console.warn( 'Relation=%o between instance=%o.%s and relatedModel=%o.%s already exists',
-						this, i, k, rm, this.reverseRelation.key );
+				if ( existing ) {
+					warn && console.warn( 'Cannot create relation=%o on %o for model=%o: already taken by relation=%o.',
+						this, k, i, existing );
 					return false;
 				}
 			}
@@ -536,17 +614,16 @@
 
 		/**
 		 * Set the related model(s) for this relation
-		 * @param {Backbone.Mode|Backbone.Collection} related
-		 * @param {Object} [options]
+		 * @param {Backbone.Model|Backbone.Collection} related
 		 */
-		setRelated: function( related, options ) {
+		setRelated: function( related ) {
 			this.related = related;
 
 			this.instance.acquire();
-			this.instance.set( this.key, related, _.defaults( options || {}, { silent: true } ) );
+			this.instance.attributes[ this.key ] = related;
 			this.instance.release();
 		},
-		
+
 		/**
 		 * Determine if a relation (on a different RelationalModel) is the reverse
 		 * relation of the current one.
@@ -554,13 +631,10 @@
 		 * @return {Boolean}
 		 */
 		_isReverseRelation: function( relation ) {
-			if ( relation.instance instanceof this.relatedModel && this.reverseRelation.key === relation.key &&
-					this.key === relation.reverseRelation.key ) {
-				return true;
-			}
-			return false;
+			return relation.instance instanceof this.relatedModel && this.reverseRelation.key === relation.key &&
+				this.key === relation.reverseRelation.key;
 		},
-		
+
 		/**
 		 * Get the reverse relations (pointing back to 'this.key' on 'this.instance') for the currently related model(s).
 		 * @param {Backbone.RelationalModel} [model] Get the reverse relations for a specific model.
@@ -571,97 +645,92 @@
 			var reverseRelations = [];
 			// Iterate over 'model', 'this.related.models' (if this.related is a Backbone.Collection), or wrap 'this.related' in an array.
 			var models = !_.isUndefined( model ) ? [ model ] : this.related && ( this.related.models || [ this.related ] );
-			_.each( models , function( related ) {
-					_.each( related.getRelations(), function( relation ) {
-							if ( this._isReverseRelation( relation ) ) {
-								reverseRelations.push( relation );
-							}
-						}, this );
-				}, this );
+			_.each( models || [], function( related ) {
+				_.each( related.getRelations() || [], function( relation ) {
+						if ( this._isReverseRelation( relation ) ) {
+							reverseRelations.push( relation );
+						}
+					}, this );
+			}, this );
 			
 			return reverseRelations;
 		},
-		
-		/**
-		 * Rename options.silent to options.silentChange, so events propagate properly.
-		 * (for example in HasMany, from 'addRelated'->'handleAddition')
-		 * @param {Object} [options]
-		 * @return {Object}
-		 */
-		sanitizeOptions: function( options ) {
-			options = options ? _.clone( options ) : {};
-			if ( options.silent ) {
-				options.silentChange = true;
-				delete options.silent;
-			}
-			return options;
-		},
 
 		/**
-		 * Rename options.silentChange to options.silent, so events are silenced as intended in Backbone's
-		 * original functions.
-		 * @param {Object} [options]
-		 * @return {Object}
+		 * When `this.instance` is destroyed, cleanup our relations.
+		 * Get reverse relation, call removeRelated on each.
 		 */
-		unsanitizeOptions: function( options ) {
-			options = options ? _.clone( options ) : {};
-			if ( options.silentChange ) {
-				options.silent = true;
-				delete options.silentChange;
+		destroy: function() {
+			this.stopListening();
+
+			if ( this instanceof Backbone.HasOne ) {
+				this.setRelated( null );
 			}
-			return options;
-		},
-		
-		// Cleanup. Get reverse relation, call removeRelated on each.
-		destroy: function() {
-			Backbone.Relational.store.getCollection( this.instance )
-				.unbind( 'relational:remove', this._modelRemovedFromCollection );
-			
-			Backbone.Relational.store.getCollection( this.relatedModel )
-				.unbind( 'relational:add', this._relatedModelAdded )
-				.unbind( 'relational:remove', this._relatedModelRemoved );
+			else if ( this instanceof Backbone.HasMany ) {
+				this.setRelated( this._prepareCollection() );
+			}
 			
 			_.each( this.getReverseRelations(), function( relation ) {
-					relation.removeRelated( this.instance );
-				}, this );
+				relation.removeRelated( this.instance );
+			}, this );
 		}
 	});
-	
+
 	Backbone.HasOne = Backbone.Relation.extend({
 		options: {
 			reverseRelation: { type: 'HasMany' }
 		},
-		
-		initialize: function() {
-			_.bindAll( this, 'onChange' );
 
-			this.instance.bind( 'relational:change:' + this.key, this.onChange );
+		initialize: function( opts ) {
+			this.listenTo( this.instance, 'relational:change:' + this.key, this.onChange );
 
-			var model = this.findRelated( { silent: true } );
-			this.setRelated( model );
+			var related = this.findRelated( opts );
+			this.setRelated( related );
 
 			// Notify new 'related' object of the new relation.
 			_.each( this.getReverseRelations(), function( relation ) {
-					relation.addRelated( this.instance );
-				}, this );
+				relation.addRelated( this.instance, opts );
+			}, this );
 		},
-		
+
+		/**
+		 * Find related Models.
+		 * @param {Object} [options]
+		 * @return {Backbone.Model}
+		 */
 		findRelated: function( options ) {
-			var item = this.keyContents;
-			var model = null;
-			
-			if ( item instanceof this.relatedModel ) {
-				model = item;
+			var related = null;
+
+			options = _.defaults( { parse: this.options.parse }, options );
+
+			if ( this.keyContents instanceof this.relatedModel ) {
+				related = this.keyContents;
+			}
+			else if ( this.keyContents || this.keyContents === 0 ) { // since 0 can be a valid `id` as well
+				var opts = _.defaults( { create: this.options.createModels }, options );
+				related = this.relatedModel.findOrCreate( this.keyContents, opts );
+			}
+
+			// Nullify `keyId` if we have a related model; in case it was already part of the relation
+			if ( this.related ) {
+				this.keyId = null;
 			}
-			else if ( item || item === 0 ) { // since 0 can be a valid `id` as well
-				model = this.relatedModel.findOrCreate( item, { create: this.options.createModels } );
-			}
-			
-			return model;
+
+			return related;
 		},
-		
+
 		/**
-		 * If the key is changed, notify old & new reverse relations and initialize the new relation
+		 * Normalize and reduce `keyContents` to an `id`, for easier comparison
+		 * @param {String|Number|Backbone.Model} keyContents
+		 */
+		setKeyContents: function( keyContents ) {
+			this.keyContents = keyContents;
+			this.keyId = Backbone.Relational.store.resolveIdForItem( this.relatedModel, this.keyContents );
+		},
+
+		/**
+		 * Event handler for `change:<key>`.
+		 * If the key is changed, notify old & new reverse relations and initialize the new relation.
 		 */
 		onChange: function( model, attr, options ) {
 			// Don't accept recursive calls to onChange (like onChange->findRelated->findOrCreate->initializeRelations->addRelated->onChange)
@@ -669,81 +738,70 @@
 				return;
 			}
 			this.acquire();
-			options = this.sanitizeOptions( options );
+			options = options ? _.clone( options ) : {};
 			
-			// 'options._related' is set by 'addRelated'/'removeRelated'. If it is set, the change
+			// 'options.__related' is set by 'addRelated'/'removeRelated'. If it is set, the change
 			// is the result of a call from a relation. If it's not, the change is the result of 
 			// a 'set' call on this.instance.
-			var changed = _.isUndefined( options._related );
-			var oldRelated = changed ? this.related : options._related;
+			var changed = _.isUndefined( options.__related ),
+				oldRelated = changed ? this.related : options.__related;
 			
-			if ( changed ) {	
-				this.keyContents = attr;
-				
-				// Set new 'related'
-				if ( attr instanceof this.relatedModel ) {
-					this.related = attr;
-				}
-				else if ( attr ) {
-					var related = this.findRelated( options );
-					this.setRelated( related );
-				}
-				else {
-					this.setRelated( null );
-				}
+			if ( changed ) {
+				this.setKeyContents( attr );
+				var related = this.findRelated( options );
+				this.setRelated( related );
 			}
 			
 			// Notify old 'related' object of the terminated relation
 			if ( oldRelated && this.related !== oldRelated ) {
 				_.each( this.getReverseRelations( oldRelated ), function( relation ) {
-						relation.removeRelated( this.instance, options );
-					}, this );
+					relation.removeRelated( this.instance, null, options );
+				}, this );
 			}
-			
+
 			// Notify new 'related' object of the new relation. Note we do re-apply even if this.related is oldRelated;
 			// that can be necessary for bi-directional relations if 'this.instance' was created after 'this.related'.
 			// In that case, 'this.instance' will already know 'this.related', but the reverse might not exist yet.
 			_.each( this.getReverseRelations(), function( relation ) {
-					relation.addRelated( this.instance, options );
-				}, this);
+				relation.addRelated( this.instance, options );
+			}, this );
 			
-			// Fire the 'update:<key>' event if 'related' was updated
-			if ( !options.silentChange && this.related !== oldRelated ) {
+			// Fire the 'change:<key>' event if 'related' was updated
+			if ( !options.silent && this.related !== oldRelated ) {
 				var dit = this;
+				this.changed = true;
 				Backbone.Relational.eventQueue.add( function() {
-					dit.instance.trigger( 'update:' + dit.key, dit.instance, dit.related, options );
+					dit.instance.trigger( 'change:' + dit.key, dit.instance, dit.related, options, true );
+					dit.changed = false;
 				});
 			}
 			this.release();
 		},
-		
+
 		/**
 		 * If a new 'this.relatedModel' appears in the 'store', try to match it to the last set 'keyContents'
 		 */
-		tryAddRelated: function( model, options ) {
-			if ( this.related ) {
-				return;
-			}
-			options = this.sanitizeOptions( options );
-			
-			var item = this.keyContents;
-			if ( item || item === 0 ) { // since 0 can be a valid `id` as well
-				var id = Backbone.Relational.store.resolveIdForItem( this.relatedModel, item );
-				if ( !_.isNull( id ) && model.id === id ) {
-					this.addRelated( model, options );
-				}
+		tryAddRelated: function( model, coll, options ) {
+			if ( ( this.keyId || this.keyId === 0 ) && model.id === this.keyId ) { // since 0 can be a valid `id` as well
+				this.addRelated( model, options );
+				this.keyId = null;
 			}
 		},
-		
+
 		addRelated: function( model, options ) {
-			if ( model !== this.related ) {
-				var oldRelated = this.related || null;
-				this.setRelated( model );
-				this.onChange( this.instance, model, { _related: oldRelated } );
-			}
+			// Allow 'model' to set up its relations before proceeding.
+			// (which can result in a call to 'addRelated' from a relation of 'model')
+			var dit = this;
+			model.queue( function() {
+				if ( model !== dit.related ) {
+					var oldRelated = dit.related || null;
+					dit.setRelated( model );
+					dit.onChange( dit.instance, model, _.defaults( { __related: oldRelated }, options ) );
+				}
+			});
 		},
-		
-		removeRelated: function( model, options ) {
+
+		removeRelated: function( model, coll, options ) {
 			if ( !this.related ) {
 				return;
 			}
@@ -751,66 +809,53 @@
 			if ( model === this.related ) {
 				var oldRelated = this.related || null;
 				this.setRelated( null );
-				this.onChange( this.instance, model, { _related: oldRelated } );
+				this.onChange( this.instance, model, _.defaults( { __related: oldRelated }, options ) );
 			}
 		}
 	});
-	
+
 	Backbone.HasMany = Backbone.Relation.extend({
 		collectionType: null,
-		
+
 		options: {
 			reverseRelation: { type: 'HasOne' },
 			collectionType: Backbone.Collection,
 			collectionKey: true,
 			collectionOptions: {}
 		},
-		
-		initialize: function() {
-			_.bindAll( this, 'onChange', 'handleAddition', 'handleRemoval', 'handleReset' );
-			this.instance.bind( 'relational:change:' + this.key, this.onChange );
+
+		initialize: function( opts ) {
+			this.listenTo( this.instance, 'relational:change:' + this.key, this.onChange );
 			
 			// Handle a custom 'collectionType'
 			this.collectionType = this.options.collectionType;
 			if ( _.isString( this.collectionType ) ) {
 				this.collectionType = Backbone.Relational.store.getObjectByName( this.collectionType );
 			}
-			if ( !this.collectionType.prototype instanceof Backbone.Collection ){
-				throw new Error( 'collectionType must inherit from Backbone.Collection' );
+			if ( this.collectionType !== Backbone.Collection && !( this.collectionType.prototype instanceof Backbone.Collection ) ) {
+				throw new Error( '`collectionType` must inherit from Backbone.Collection' );
 			}
 
-			// Handle cases where a model/relation is created with a collection passed straight into 'attributes'
-			if ( this.keyContents instanceof Backbone.Collection ) {
-				this.setRelated( this._prepareCollection( this.keyContents ) );
-			}
-			else {
-				this.setRelated( this._prepareCollection() );
-			}
-
-			this.findRelated( { silent: true } );
-		},
-		
-		_getCollectionOptions: function() {
-			return _.isFunction( this.options.collectionOptions ) ?
-				this.options.collectionOptions( this.instance ) :
-				this.options.collectionOptions;
+			var related = this.findRelated( opts );
+			this.setRelated( related );
 		},
 
 		/**
 		 * Bind events and setup collectionKeys for a collection that is to be used as the backing store for a HasMany.
 		 * If no 'collection' is supplied, a new collection will be created of the specified 'collectionType' option.
 		 * @param {Backbone.Collection} [collection]
+		 * @return {Backbone.Collection}
 		 */
 		_prepareCollection: function( collection ) {
 			if ( this.related ) {
-				this.related
-					.unbind( 'relational:add', this.handleAddition )
-					.unbind( 'relational:remove', this.handleRemoval )
-					.unbind( 'relational:reset', this.handleReset )
+				this.stopListening( this.related );
 			}
 
 			if ( !collection || !( collection instanceof Backbone.Collection ) ) {
-				collection = new this.collectionType( [], this._getCollectionOptions() );
+				var options = _.isFunction( this.options.collectionOptions ) ?
+					this.options.collectionOptions( this.instance ) : this.options.collectionOptions;
+
+				collection = new this.collectionType( null, options );
 			}
 
 			collection.model = this.relatedModel;
@@ -827,191 +872,191 @@
 					collection[ key ] = this.instance;
 				}
 			}
-			
-			collection
-				.bind( 'relational:add', this.handleAddition )
-				.bind( 'relational:remove', this.handleRemoval )
-				.bind( 'relational:reset', this.handleReset );
+
+			this.listenTo( collection, 'relational:add', this.handleAddition )
+				.listenTo( collection, 'relational:remove', this.handleRemoval )
+				.listenTo( collection, 'relational:reset', this.handleReset );
 			
 			return collection;
 		},
-		
+
+		/**
+		 * Find related Models.
+		 * @param {Object} [options]
+		 * @return {Backbone.Collection}
+		 */
 		findRelated: function( options ) {
-			if ( this.keyContents ) {
-				var models = [];
+			var related = null;
+
+			options = _.defaults( { parse: this.options.parse }, options );
+
+			// Replace 'this.related' by 'this.keyContents' if it is a Backbone.Collection
+			if ( this.keyContents instanceof Backbone.Collection ) {
+				this._prepareCollection( this.keyContents );
+				related = this.keyContents;
+			}
+			// Otherwise, 'this.keyContents' should be an array of related object ids.
+			// Re-use the current 'this.related' if it is a Backbone.Collection; otherwise, create a new collection.
+			else {
+				var toAdd = [];
 
-				if ( this.keyContents instanceof Backbone.Collection ) {
-					models = this.keyContents.models;
+				_.each( this.keyContents, function( attributes ) {
+					if ( attributes instanceof this.relatedModel ) {
+						var model = attributes;
+					}
+					else {
+						// If `merge` is true, update models here, instead of during update.
+						model = this.relatedModel.findOrCreate( attributes,
+							_.extend( { merge: true }, options, { create: this.options.createModels } )
+						);
+					}
+
+					model && toAdd.push( model );
+				}, this );
+
+				if ( this.related instanceof Backbone.Collection ) {
+					related = this.related;
 				}
 				else {
-					// Handle cases the an API/user supplies just an Object/id instead of an Array
-					this.keyContents = _.isArray( this.keyContents ) ? this.keyContents : [ this.keyContents ];
-
-					// Try to find instances of the appropriate 'relatedModel' in the store
-					_.each( this.keyContents, function( item ) {
-							var model = null;
-							if ( item instanceof this.relatedModel ) {
-								model = item;
-							}
-							else if ( item || item === 0 ) { // since 0 can be a valid `id` as well
-								model = this.relatedModel.findOrCreate( item, { create: this.options.createModels } );
-							}
-
-							if ( model && !this.related.getByCid( model ) && !this.related.get( model ) ) {
-								models.push( model );
-							}
-						}, this );
+					related = this._prepareCollection();
 				}
 
-				// Add all found 'models' in on go, so 'add' will only be called once (and thus 'sort', etc.)
-				if ( models.length ) {
-					options = this.unsanitizeOptions( options );
-					this.related.add( models, options );
-				}
+				// By now, both `merge` and `parse` will already have been executed for models if they were specified.
+				// Disable them to prevent additional calls.
+				related.set( toAdd, _.defaults( { merge: false, parse: false }, options ) );
+			}
+
+			// Remove entries from `keyIds` that were already part of the relation (and are thus 'unchanged')
+			this.keyIds = _.difference( this.keyIds, _.pluck( related.models, 'id' ) );
+
+			return related;
+		},
+
+		/**
+		 * Normalize and reduce `keyContents` to a list of `ids`, for easier comparison
+		 * @param {String|Number|String[]|Number[]|Backbone.Collection} keyContents
+		 */
+		setKeyContents: function( keyContents ) {
+			this.keyContents = keyContents instanceof Backbone.Collection ? keyContents : null;
+			this.keyIds = [];
+
+			if ( !this.keyContents && ( keyContents || keyContents === 0 ) ) { // since 0 can be a valid `id` as well
+				// Handle cases the an API/user supplies just an Object/id instead of an Array
+				this.keyContents = _.isArray( keyContents ) ? keyContents : [ keyContents ];
+
+				_.each( this.keyContents, function( item ) {
+					var itemId = Backbone.Relational.store.resolveIdForItem( this.relatedModel, item );
+					if ( itemId || itemId === 0 ) {
+						this.keyIds.push( itemId );
+					}
+				}, this );
 			}
 		},
-		
+
 		/**
-		 * If the key is changed, notify old & new reverse relations and initialize the new relation
+		 * Event handler for `change:<key>`.
+		 * If the contents of the key are changed, notify old & new reverse relations and initialize the new relation.
 		 */
 		onChange: function( model, attr, options ) {
-			options = this.sanitizeOptions( options );
-			this.keyContents = attr;
-			
-			// Notify old 'related' object of the terminated relation
-			_.each( this.getReverseRelations(), function( relation ) {
-					relation.removeRelated( this.instance, options );
-				}, this );
-			
-			// Replace 'this.related' by 'attr' if it is a Backbone.Collection
-			if ( attr instanceof Backbone.Collection ) {
-				this._prepareCollection( attr );
-				this.related = attr;
-			}
-			// Otherwise, 'attr' should be an array of related object ids.
-			// Re-use the current 'this.related' if it is a Backbone.Collection, and remove any current entries.
-			// Otherwise, create a new collection.
-			else {
-				var coll;
+			options = options ? _.clone( options ) : {};
+			this.setKeyContents( attr );
+			this.changed = false;
 
-				if ( this.related instanceof Backbone.Collection ) {
-					coll = this.related;
-					coll.remove( coll.models );
-				}
-				else {
-					coll = this._prepareCollection();
-				}
+			var related = this.findRelated( options );
+			this.setRelated( related );
 
-				this.setRelated( coll );
-				this.findRelated( options );
-			}
-			
-			// Notify new 'related' object of the new relation
-			_.each( this.getReverseRelations(), function( relation ) {
-					relation.addRelated( this.instance, options );
-				}, this );
-			
-			var dit = this;
-			Backbone.Relational.eventQueue.add( function() {
-				!options.silentChange && dit.instance.trigger( 'update:' + dit.key, dit.instance, dit.related, options );
-			});
-		},
-		
-		tryAddRelated: function( model, options ) {
-			options = this.sanitizeOptions( options );
-			if ( !this.related.getByCid( model ) && !this.related.get( model ) ) {
-				// Check if this new model was specified in 'this.keyContents'
-				var item = _.any( this.keyContents, function( item ) {
-						var id = Backbone.Relational.store.resolveIdForItem( this.relatedModel, item );
-						return !_.isNull( id ) && id === model.id;
-					}, this );
-				
-				if ( item ) {
-					this.related.add( model, options );
-				}
+			if ( !options.silent ) {
+				var dit = this;
+				Backbone.Relational.eventQueue.add( function() {
+					// The `changed` flag can be set in `handleAddition` or `handleRemoval`
+					if ( dit.changed ) {
+						dit.instance.trigger( 'change:' + dit.key, dit.instance, dit.related, options, true );
+						dit.changed = false;
+					}
+				});
 			}
 		},
-		
+
 		/**
 		 * When a model is added to a 'HasMany', trigger 'add' on 'this.instance' and notify reverse relations.
 		 * (should be 'HasOne', must set 'this.instance' as their related).
-		 */
+		*/
 		handleAddition: function( model, coll, options ) {
 			//console.debug('handleAddition called; args=%o', arguments);
-			// Make sure the model is in fact a valid model before continuing.
-			// (it can be invalid as a result of failing validation in Backbone.Collection._prepareModel)
-			if ( !( model instanceof Backbone.Model ) ) {
-				return;
-			}
-			
-			options = this.sanitizeOptions( options );
+			options = options ? _.clone( options ) : {};
+			this.changed = true;
 			
 			_.each( this.getReverseRelations( model ), function( relation ) {
-					relation.addRelated( this.instance, options );
-				}, this );
+				relation.addRelated( this.instance, options );
+			}, this );
 
-			// Only trigger 'add' once the newly added model is initialized (so, has it's relations set up)
+			// Only trigger 'add' once the newly added model is initialized (so, has its relations set up)
 			var dit = this;
-			Backbone.Relational.eventQueue.add( function() {
-				!options.silentChange && dit.instance.trigger( 'add:' + dit.key, model, dit.related, options );
+			!options.silent && Backbone.Relational.eventQueue.add( function() {
+				dit.instance.trigger( 'add:' + dit.key, model, dit.related, options );
 			});
 		},
-		
+
 		/**
 		 * When a model is removed from a 'HasMany', trigger 'remove' on 'this.instance' and notify reverse relations.
 		 * (should be 'HasOne', which should be nullified)
 		 */
 		handleRemoval: function( model, coll, options ) {
 			//console.debug('handleRemoval called; args=%o', arguments);
-			if ( !( model instanceof Backbone.Model ) ) {
-				return;
-			}
-
-			options = this.sanitizeOptions( options );
+			options = options ? _.clone( options ) : {};
+			this.changed = true;
 			
 			_.each( this.getReverseRelations( model ), function( relation ) {
-					relation.removeRelated( this.instance, options );
-				}, this );
+				relation.removeRelated( this.instance, null, options );
+			}, this );
 			
 			var dit = this;
-			Backbone.Relational.eventQueue.add( function() {
-				!options.silentChange && dit.instance.trigger( 'remove:' + dit.key, model, dit.related, options );
+			!options.silent && Backbone.Relational.eventQueue.add( function() {
+				 dit.instance.trigger( 'remove:' + dit.key, model, dit.related, options );
 			});
 		},
 
 		handleReset: function( coll, options ) {
-			options = this.sanitizeOptions( options );
-
 			var dit = this;
-			Backbone.Relational.eventQueue.add( function() {
-				!options.silentChange && dit.instance.trigger( 'reset:' + dit.key, dit.related, options );
+			options = options ? _.clone( options ) : {};
+			!options.silent && Backbone.Relational.eventQueue.add( function() {
+				dit.instance.trigger( 'reset:' + dit.key, dit.related, options );
 			});
 		},
-		
+
+		tryAddRelated: function( model, coll, options ) {
+			var item = _.contains( this.keyIds, model.id );
+
+			if ( item ) {
+				this.addRelated( model, options );
+				this.keyIds = _.without( this.keyIds, model.id );
+			}
+		},
+
 		addRelated: function( model, options ) {
+			// Allow 'model' to set up its relations before proceeding.
+			// (which can result in a call to 'addRelated' from a relation of 'model')
 			var dit = this;
-			options = this.unsanitizeOptions( options );
-			model.queue( function() { // Queued to avoid errors for adding 'model' to the 'this.related' set twice
-				if ( dit.related && !dit.related.getByCid( model ) && !dit.related.get( model ) ) {
-					dit.related.add( model, options );
+			model.queue( function() {
+				if ( dit.related && !dit.related.get( model ) ) {
+					dit.related.add( model, _.defaults( { parse: false }, options ) );
 				}
 			});
 		},
-		
-		removeRelated: function( model, options ) {
-			options = this.unsanitizeOptions( options );
-			if ( this.related.getByCid( model ) || this.related.get( model ) ) {
+
+		removeRelated: function( model, coll, options ) {
+			if ( this.related.get( model ) ) {
 				this.related.remove( model, options );
 			}
 		}
 	});
-	
+
 	/**
 	 * A type of Backbone.Model that also maintains relations to other models and collections.
 	 * New events when compared to the original:
 	 *  - 'add:<key>' (model, related collection, options)
 	 *  - 'remove:<key>' (model, related collection, options)
-	 *  - 'update:<key>' (model, related model or collection, options)
+	 *  - 'change:<key>' (model, related model or collection, options)
 	 */
 	Backbone.RelationalModel = Backbone.Model.extend({
 		relations: null, // Relation descriptions on the prototype
@@ -1019,82 +1064,118 @@
 		_isInitialized: false,
 		_deferProcessing: false,
 		_queue: null,
-		
+
 		subModelTypeAttribute: 'type',
 		subModelTypes: null,
-		
+
 		constructor: function( attributes, options ) {
 			// Nasty hack, for cases like 'model.get( <HasMany key> ).add( item )'.
-			// Defer 'processQueue', so that when 'Relation.createModels' is used we:
-			// a) Survive 'Backbone.Collection.add'; this takes care we won't error on "can't add model to a set twice"
-			//    (by creating a model from properties, having the model add itself to the collection via one of
-			//    it's relations, then trying to add it to the collection).
-			// b) Trigger 'HasMany' collection events only after the model is really fully set up.
-			// Example that triggers both a and b: "p.get('jobs').add( { company: c, person: p } )".
-			var dit = this;
+			// Defer 'processQueue', so that when 'Relation.createModels' is used we trigger 'HasMany'
+			// collection events only after the model is really fully set up.
+			// Example: event for "p.on( 'add:jobs' )" -> "p.get('jobs').add( { company: c.id, person: p.id } )".
 			if ( options && options.collection ) {
+				var dit = this,
+					collection = this.collection =  options.collection;
+
+				// Prevent `collection` from cascading down to nested models; they shouldn't go into this `if` clause.
+				delete options.collection;
+
 				this._deferProcessing = true;
-				
+
 				var processQueue = function( model ) {
 					if ( model === dit ) {
 						dit._deferProcessing = false;
 						dit.processQueue();
-						options.collection.unbind( 'relational:add', processQueue );
+						collection.off( 'relational:add', processQueue );
 					}
 				};
-				options.collection.bind( 'relational:add', processQueue );
-				
-				// So we do process the queue eventually, regardless of whether this model really gets added to 'options.collection'.
+				collection.on( 'relational:add', processQueue );
+
+				// So we do process the queue eventually, regardless of whether this model actually gets added to 'options.collection'.
 				_.defer( function() {
 					processQueue( dit );
 				});
 			}
+
+			Backbone.Relational.store.processOrphanRelations();
 			
 			this._queue = new Backbone.BlockingQueue();
 			this._queue.block();
 			Backbone.Relational.eventQueue.block();
-			
-			Backbone.Model.apply( this, arguments );
-			
-			// Try to run the global queue holding external events
-			Backbone.Relational.eventQueue.unblock();
+
+			try {
+				Backbone.Model.apply( this, arguments );
+			}
+			finally {
+				// Try to run the global queue holding external events
+				Backbone.Relational.eventQueue.unblock();
+			}
 		},
-		
+
 		/**
 		 * Override 'trigger' to queue 'change' and 'change:*' events
 		 */
 		trigger: function( eventName ) {
-			if ( eventName.length > 5 && 'change' === eventName.substr( 0, 6 ) ) {
-				var dit = this, args = arguments;
+			if ( eventName.length > 5 && eventName.indexOf( 'change' ) === 0 ) {
+				var dit = this,
+					args = arguments;
+
 				Backbone.Relational.eventQueue.add( function() {
-						Backbone.Model.prototype.trigger.apply( dit, args );
-					});
+					if ( !dit._isInitialized ) {
+						return;
+					}
+
+					// Determine if the `change` event is still valid, now that all relations are populated
+					var changed = true;
+					if ( eventName === 'change' ) {
+						changed = dit.hasChanged();
+					}
+					else {
+						var attr = eventName.slice( 7 ),
+							rel = dit.getRelation( attr );
+
+						if ( rel ) {
+							// If `attr` is a relation, `change:attr` get triggered from `Relation.onChange`.
+							// These take precedence over `change:attr` events triggered by `Model.set`.
+							// The relation set a fourth attribute to `true`. If this attribute is present,
+							// continue triggering this event; otherwise, it's from `Model.set` and should be stopped.
+							changed = ( args[ 4 ] === true );
+
+							// If this event was triggered by a relation, set the right value in `this.changed`
+							// (a Collection or Model instead of raw data).
+							if ( changed ) {
+								dit.changed[ attr ] = args[ 2 ];
+							}
+							// Otherwise, this event is from `Model.set`. If the relation doesn't report a change,
+							// remove attr from `dit.changed` so `hasChanged` doesn't take it into account.
+							else if ( !rel.changed ) {
+								delete dit.changed[ attr ];
+							}
+						}
+					}
+
+					changed && Backbone.Model.prototype.trigger.apply( dit, args );
+				});
 			}
 			else {
 				Backbone.Model.prototype.trigger.apply( this, arguments );
 			}
-			
+
 			return this;
 		},
-		
+
 		/**
 		 * Initialize Relations present in this.relations; determine the type (HasOne/HasMany), then creates a new instance.
 		 * Invoked in the first call so 'set' (which is made from the Backbone.Model constructor).
 		 */
-		initializeRelations: function() {
+		initializeRelations: function( options ) {
 			this.acquire(); // Setting up relations often also involve calls to 'set', and we only want to enter this function once
-			this._relations = [];
-			
-			_.each( this.relations, function( rel ) {
-					var type = !_.isString( rel.type ) ? rel.type :	Backbone[ rel.type ] || Backbone.Relational.store.getObjectByName( rel.type );
-					if ( type && type.prototype instanceof Backbone.Relation ) {
-						new type( this, rel ); // Also pushes the new Relation into _relations
-					}
-					else {
-						Backbone.Relational.showWarnings && typeof console !== 'undefined' && console.warn( 'Relation=%o; missing or invalid type!', rel );
-					}
-				}, this );
-			
+			this._relations = {};
+
+			_.each( this.relations || [], function( rel ) {
+				Backbone.Relational.store.initializeRelation( this, rel, options );
+			}, this );
+
 			this._isInitialized = true;
 			this.release();
 			this.processQueue();
@@ -1115,14 +1196,14 @@
 				}, this );
 			}
 		},
-		
+
 		/**
 		 * Either add to the queue (if we're not initialized yet), or execute right away.
 		 */
 		queue: function( func ) {
 			this._queue.add( func );
 		},
-		
+
 		/**
 		 * Process _queue
 		 */
@@ -1131,68 +1212,71 @@
 				this._queue.unblock();
 			}
 		},
-		
+
 		/**
 		 * Get a specific relation.
 		 * @param key {string} The relation key to look for.
 		 * @return {Backbone.Relation} An instance of 'Backbone.Relation', if a relation was found for 'key', or null.
 		 */
 		getRelation: function( key ) {
-			return _.detect( this._relations, function( rel ) {
-				if ( rel.key === key ) {
-					return true;
-				}
-			}, this );
+			return this._relations[ key ];
 		},
-		
+
 		/**
 		 * Get all of the created relations.
 		 * @return {Backbone.Relation[]}
 		 */
 		getRelations: function() {
-			return this._relations;
+			return _.values( this._relations );
 		},
-		
+
 		/**
 		 * Retrieve related objects.
 		 * @param key {string} The relation key to fetch models for.
 		 * @param [options] {Object} Options for 'Backbone.Model.fetch' and 'Backbone.sync'.
-		 * @param [update=false] {boolean} Whether to force a fetch from the server (updating existing models).
+		 * @param [refresh=false] {boolean} Fetch existing models from the server as well (in order to update them).
 		 * @return {jQuery.when[]} An array of request objects
 		 */
-		fetchRelated: function( key, options, update ) {
-			options || ( options = {} );
+		fetchRelated: function( key, options, refresh ) {
+			// Set default `options` for fetch
+			options = _.extend( { update: true, remove: false }, options );
+
 			var setUrl,
 				requests = [],
 				rel = this.getRelation( key ),
-				keyContents = rel && rel.keyContents,
-				toFetch = keyContents && _.select( _.isArray( keyContents ) ? keyContents : [ keyContents ], function( item ) {
-					var id = Backbone.Relational.store.resolveIdForItem( rel.relatedModel, item );
-					return !_.isNull( id ) && ( update || !Backbone.Relational.store.find( rel.relatedModel, id ) );
-				}, this );
-			
-			if ( toFetch && toFetch.length ) {
-				// Create a model for each entry in 'keyContents' that is to be fetched
-				var models = _.map( toFetch, function( item ) {
-					var model;
+				idsToFetch = rel && ( rel.keyIds || ( ( rel.keyId || rel.keyId === 0 ) ? [ rel.keyId ] : [] ) );
+
+			// On `refresh`, add the ids for current models in the relation to `idsToFetch`
+			if ( refresh ) {
+				var models = rel.related instanceof Backbone.Collection ? rel.related.models : [ rel.related ];
+				_.each( models, function( model ) {
+					if ( model.id || model.id === 0 ) {
+						idsToFetch.push( model.id );
+					}
+				});
+			}
 
-					if ( _.isObject( item ) ) {
-						model = rel.relatedModel.build( item );
-					}
-					else {
-						var attrs = {};
-						attrs[ rel.relatedModel.prototype.idAttribute ] = item;
-						model = rel.relatedModel.build( attrs );
-					}
+			if ( idsToFetch && idsToFetch.length ) {
+				// Find (or create) a model for each one that is to be fetched
+				var created = [],
+					models = _.map( idsToFetch, function( id ) {
+						var model = Backbone.Relational.store.find( rel.relatedModel, id );
+						
+						if ( !model ) {
+							var attrs = {};
+							attrs[ rel.relatedModel.prototype.idAttribute ] = id;
+							model = rel.relatedModel.findOrCreate( attrs, options );
+							created.push( model );
+						}
 
-					return model;
-				}, this );
+						return model;
+					}, this );
 				
 				// Try if the 'collection' can provide a url to fetch a set of models in one request.
 				if ( rel.related instanceof Backbone.Collection && _.isFunction( rel.related.url ) ) {
 					setUrl = rel.related.url( models );
 				}
-				
+
 				// An assumption is that when 'Backbone.Collection.url' is a function, it can handle building of set urls.
 				// To make sure it can, test if the url we got by supplying a list of models to fetch is different from
 				// the one supplied for the default fetch action (without args to 'url').
@@ -1201,15 +1285,14 @@
 						{
 							error: function() {
 								var args = arguments;
-								_.each( models, function( model ) {
-										model.trigger( 'destroy', model, model.collection, options );
-										options.error && options.error.apply( model, args );
-									});
+								_.each( created, function( model ) {
+									model.trigger( 'destroy', model, model.collection, options );
+									options.error && options.error.apply( model, args );
+								});
 							},
 							url: setUrl
 						},
-						options,
-						{ add: true }
+						options
 					);
 
 					requests = [ rel.related.fetch( opts ) ];
@@ -1219,8 +1302,10 @@
 						var opts = _.defaults(
 							{
 								error: function() {
-									model.trigger( 'destroy', model, model.collection, options );
-									options.error && options.error.apply( model, arguments );
+									if ( _.contains( created, model ) ) {
+										model.trigger( 'destroy', model, model.collection, options );
+										options.error && options.error.apply( model, arguments );
+									}
 								}
 							},
 							options
@@ -1232,10 +1317,35 @@
 			
 			return requests;
 		},
-		
+
+		get: function( attr ) {
+			var originalResult = Backbone.Model.prototype.get.call( this, attr );
+
+			// Use `originalResult` get if dotNotation not enabled or not required because no dot is in `attr`
+			if ( !this.dotNotation || attr.indexOf( '.' ) === -1 ) {
+				return originalResult;
+			}
+
+			// Go through all splits and return the final result
+			var splits = attr.split( '.' );
+			var result = _.reduce(splits, function( model, split ) {
+				if ( !( model instanceof Backbone.Model ) ) {
+					throw new Error( 'Attribute must be an instanceof Backbone.Model. Is: ' + model + ', currentSplit: ' + split );
+				}
+
+				return Backbone.Model.prototype.get.call( model, split );
+			}, this );
+
+			if ( originalResult !== undefined && result !== undefined ) {
+				throw new Error( "Ambiguous result for '" + attr + "'. direct result: " + originalResult + ", dotNotation: " + result );
+			}
+
+			return originalResult || result;
+		},
+
 		set: function( key, value, options ) {
 			Backbone.Relational.eventQueue.block();
-			
+
 			// Duplicate backbone's behavior to allow separate key/value parameters, instead of a single 'attributes' object
 			var attributes;
 			if ( _.isObject( key ) || key == null ) {
@@ -1246,66 +1356,62 @@
 				attributes = {};
 				attributes[ key ] = value;
 			}
-			
-			var result = Backbone.Model.prototype.set.apply( this, arguments );
-			
-			// Ideal place to set up relations :)
-			if ( !this._isInitialized && !this.isLocked() ) {
-				this.constructor.initializeModelHierarchy();
+
+			try {
+				var id = this.id,
+					newId = attributes && this.idAttribute in attributes && attributes[ this.idAttribute ];
+
+				// Check if we're not setting a duplicate id before actually calling `set`.
+				Backbone.Relational.store.checkId( this, newId );
+
+				var result = Backbone.Model.prototype.set.apply( this, arguments );
 
-				Backbone.Relational.store.register( this );
+				// Ideal place to set up relations, if this is the first time we're here for this model
+				if ( !this._isInitialized && !this.isLocked() ) {
+					this.constructor.initializeModelHierarchy();
+					Backbone.Relational.store.register( this );
+					this.initializeRelations( options );
+				}
+				// The store should know about an `id` update asap
+				else if ( newId && newId !== id ) {
+					Backbone.Relational.store.update( this );
+				}
 
-				this.initializeRelations();
+				if ( attributes ) {
+					this.updateRelations( options );
+				}
 			}
-			// Update the 'idAttribute' in Backbone.store if; we don't want it to miss an 'id' update due to {silent:true}
-			else if ( attributes && this.idAttribute in attributes ) {
-				Backbone.Relational.store.update( this );
+			finally {
+				// Try to run the global queue holding external events
+				Backbone.Relational.eventQueue.unblock();
 			}
 			
-			if ( attributes ) {
-				this.updateRelations( options );
-			}
-			
-			// Try to run the global queue holding external events
-			Backbone.Relational.eventQueue.unblock();
-			
 			return result;
 		},
-		
+
 		unset: function( attribute, options ) {
 			Backbone.Relational.eventQueue.block();
-			
+
 			var result = Backbone.Model.prototype.unset.apply( this, arguments );
 			this.updateRelations( options );
-			
+
 			// Try to run the global queue holding external events
 			Backbone.Relational.eventQueue.unblock();
-			
+
 			return result;
 		},
-		
+
 		clear: function( options ) {
 			Backbone.Relational.eventQueue.block();
 			
 			var result = Backbone.Model.prototype.clear.apply( this, arguments );
 			this.updateRelations( options );
-			
+
 			// Try to run the global queue holding external events
 			Backbone.Relational.eventQueue.unblock();
-			
+
 			return result;
 		},
-		
-		/**
-		 * Override 'change', so the change will only execute after 'set' has finised (relations are updated),
-		 * and 'previousAttributes' will be available when the event is fired.
-		 */
-		change: function( options ) {
-			var dit = this, args = arguments;
-			Backbone.Relational.eventQueue.add( function() {
-					Backbone.Model.prototype.change.apply( dit, args );
-				});
-		},
 
 		clone: function() {
 			var attributes = _.clone( this.attributes );
@@ -1314,87 +1420,97 @@
 			}
 
 			_.each( this.getRelations(), function( rel ) {
-					delete attributes[ rel.key ];
-				});
+				delete attributes[ rel.key ];
+			});
 
 			return new this.constructor( attributes );
 		},
-		
+
 		/**
 		 * Convert relations to JSON, omits them when required
 		 */
-		toJSON: function() {
+		toJSON: function( options ) {
 			// If this Model has already been fully serialized in this branch once, return to avoid loops
 			if ( this.isLocked() ) {
 				return this.id;
 			}
-			
+
 			this.acquire();
-			var json = Backbone.Model.prototype.toJSON.call( this );
-			
+			var json = Backbone.Model.prototype.toJSON.call( this, options );
+
 			if ( this.constructor._superModel && !( this.constructor._subModelTypeAttribute in json ) ) {
 				json[ this.constructor._subModelTypeAttribute ] = this.constructor._subModelTypeValue;
 			}
-			
+
 			_.each( this._relations, function( rel ) {
-					var value = json[ rel.key ];
+				var related = json[ rel.key ],
+					includeInJSON = rel.options.includeInJSON,
+					value = null;
 
-					if ( rel.options.includeInJSON === true) {
-						if ( value && _.isFunction( value.toJSON ) ) {
-							json[ rel.keyDestination ] = value.toJSON();
-						}
-						else {
-							json[ rel.keyDestination ] = null;
+				if ( includeInJSON === true ) {
+					if ( related && _.isFunction( related.toJSON ) ) {
+						value = related.toJSON( options );
+					}
+				}
+				else if ( _.isString( includeInJSON ) ) {
+					if ( related instanceof Backbone.Collection ) {
+						value = related.pluck( includeInJSON );
+					}
+					else if ( related instanceof Backbone.Model ) {
+						value = related.get( includeInJSON );
+					}
+
+					// Add ids for 'unfound' models if includeInJSON is equal to (only) the relatedModel's `idAttribute`
+					if ( includeInJSON === rel.relatedModel.prototype.idAttribute ) {
+						if ( rel instanceof Backbone.HasMany ) {
+							value = value.concat( rel.keyIds );
 						}
-					}
-					else if ( _.isString( rel.options.includeInJSON ) ) {
-						if ( value instanceof Backbone.Collection ) {
-							json[ rel.keyDestination ] = value.pluck( rel.options.includeInJSON );
-						}
-						else if ( value instanceof Backbone.Model ) {
-							json[ rel.keyDestination ] = value.get( rel.options.includeInJSON );
-						}	
-						else {
-							json[ rel.keyDestination ] = null;
+						else if  ( rel instanceof Backbone.HasOne ) {
+							value = value || rel.keyId;
 						}
 					}
-					else if ( _.isArray( rel.options.includeInJSON ) ) {
-						if ( value instanceof Backbone.Collection ) {
-							var valueSub = [];
-							value.each( function( model ) {
-								var curJson = {};
-								_.each( rel.options.includeInJSON, function( key ) {
-									curJson[ key ] = model.get( key );
-								});
-								valueSub.push( curJson );
+				}
+				else if ( _.isArray( includeInJSON ) ) {
+					if ( related instanceof Backbone.Collection ) {
+						value = [];
+						related.each( function( model ) {
+							var curJson = {};
+							_.each( includeInJSON, function( key ) {
+								curJson[ key ] = model.get( key );
 							});
-							json[ rel.keyDestination ] = valueSub;
-						}
-						else if ( value instanceof Backbone.Model ) {
-							var valueSub = {};
-							_.each( rel.options.includeInJSON, function( key ) {
-								valueSub[ key ] = value.get( key );
-							});
-							json[ rel.keyDestination ] = valueSub;
-						}
-						else {
-							json[ rel.keyDestination ] = null;
-						}
+							value.push( curJson );
+						});
+					}
+					else if ( related instanceof Backbone.Model ) {
+						value = {};
+						_.each( includeInJSON, function( key ) {
+							value[ key ] = related.get( key );
+						});
 					}
-					else {
-						delete json[ rel.key ];
-					}
+				}
+				else {
+					delete json[ rel.key ];
+				}
 
-					if ( rel.keyDestination !== rel.key ) {
-						delete json[ rel.key ];
-					}
-				});
+				if ( includeInJSON ) {
+					json[ rel.keyDestination ] = value;
+				}
+
+				if ( rel.keyDestination !== rel.key ) {
+					delete json[ rel.key ];
+				}
+			});
 			
 			this.release();
 			return json;
 		}
 	},
 	{
+		/**
+		 *
+		 * @param superModel
+		 * @returns {Backbone.RelationalModel.constructor}
+		 */
 		setup: function( superModel ) {
 			// We don't want to share a relations array with a parent, as this will cause problems with
 			// reverse relations.
@@ -1413,30 +1529,35 @@
 			}
 
 			// Initialize all reverseRelations that belong to this new model.
-			_.each( this.prototype.relations, function( rel ) {
-					if ( !rel.model ) {
-						rel.model = this;
+			_.each( this.prototype.relations || [], function( rel ) {
+				if ( !rel.model ) {
+					rel.model = this;
+				}
+				
+				if ( rel.reverseRelation && rel.model === this ) {
+					var preInitialize = true;
+					if ( _.isString( rel.relatedModel ) ) {
+						/**
+						 * The related model might not be defined for two reasons
+						 *  1. it is related to itself
+						 *  2. it never gets defined, e.g. a typo
+						 *  3. the model hasn't been defined yet, but will be later
+						 * In neither of these cases do we need to pre-initialize reverse relations.
+						 * However, for 3. (which is, to us, indistinguishable from 2.), we do need to attempt
+						 * setting up this relation again later, in case the related model is defined later.
+						 */
+						var relatedModel = Backbone.Relational.store.getObjectByName( rel.relatedModel );
+						preInitialize = relatedModel && ( relatedModel.prototype instanceof Backbone.RelationalModel );
 					}
 
-					if ( rel.reverseRelation && rel.model === this ) {				
-						var preInitialize = true;
-						if ( _.isString( rel.relatedModel ) ) {
-							/**
-							 * The related model might not be defined for two reasons
-							 *  1. it never gets defined, e.g. a typo
-							 *  2. it is related to itself
-							 * In neither of these cases do we need to pre-initialize reverse relations.
-							 */
-							var relatedModel = Backbone.Relational.store.getObjectByName( rel.relatedModel );
-							preInitialize = relatedModel && ( relatedModel.prototype instanceof Backbone.RelationalModel );
-						}
-
-						var type = !_.isString( rel.type ) ? rel.type : Backbone[ rel.type ] || Backbone.Relational.store.getObjectByName( rel.type );
-						if ( preInitialize && type && type.prototype instanceof Backbone.Relation ) {
-							new type( null, rel );
-						}
+					if ( preInitialize ) {
+						Backbone.Relational.store.initializeRelation( null, rel );
 					}
-				}, this );
+					else if ( _.isString( rel.relatedModel ) ) {
+						Backbone.Relational.store.addOrphanRelation( rel );
+					}
+				}
+			}, this );
 			
 			return this;
 		},
@@ -1466,6 +1587,9 @@
 			return new model( attributes, options );
 		},
 
+		/**
+		 *
+		 */
 		initializeModelHierarchy: function() {
 			// If we're here for the first time, try to determine if this modelType has a 'superModel'.
 			if ( _.isUndefined( this._superModel ) || _.isNull( this._superModel ) ) {
@@ -1475,17 +1599,15 @@
 				// inherited automatically (due to a redefinition of 'relations').
 				// Otherwise, make sure we don't get here again for this type by making '_superModel' false so we fail
 				// the isUndefined/isNull check next time.
-				if ( this._superModel ) {
-					//
-					if ( this._superModel.prototype.relations ) {
-						var supermodelRelationsExist = _.any( this.prototype.relations, function( rel ) {
-							return rel.model && rel.model !== this;
+				if ( this._superModel && this._superModel.prototype.relations ) {
+					// Find relations that exist on the `_superModel`, but not yet on this model.
+					var inheritedRelations = _.select( this._superModel.prototype.relations || [], function( superRel ) {
+						return !_.any( this.prototype.relations || [], function( rel ) {
+							return superRel.relatedModel === rel.relatedModel && superRel.key === rel.key;
 						}, this );
+					}, this );
 
-						if ( !supermodelRelationsExist ) {
-							this.prototype.relations = this._superModel.prototype.relations.concat( this.prototype.relations );
-						}
-					}
+					this.prototype.relations = inheritedRelations.concat( this.prototype.relations );
 				}
 				else {
 					this._superModel = false;
@@ -1494,7 +1616,7 @@
 
 			// If we came here through 'build' for a model that has 'subModelTypes', and not all of them have been resolved yet, try to resolve each.
 			if ( this.prototype.subModelTypes && _.keys( this.prototype.subModelTypes ).length !== _.keys( this._subModels ).length ) {
-				_.each( this.prototype.subModelTypes, function( subModelTypeName ) {
+				_.each( this.prototype.subModelTypes || [], function( subModelTypeName ) {
 					var subModelType = Backbone.Relational.store.getObjectByName( subModelTypeName );
 					subModelType && subModelType.initializeModelHierarchy();
 				});
@@ -1504,24 +1626,33 @@
 		/**
 		 * Find an instance of `this` type in 'Backbone.Relational.store'.
 		 * - If `attributes` is a string or a number, `findOrCreate` will just query the `store` and return a model if found.
-		 * - If `attributes` is an object, the model will be updated with `attributes` if found.
+		 * - If `attributes` is an object and is found in the store, the model will be updated with `attributes` unless `options.update` is `false`.
 		 *   Otherwise, a new model is created with `attributes` (unless `options.create` is explicitly set to `false`).
 		 * @param {Object|String|Number} attributes Either a model's id, or the attributes used to create or update a model.
 		 * @param {Object} [options]
 		 * @param {Boolean} [options.create=true]
+		 * @param {Boolean} [options.merge=true]
+		 * @param {Boolean} [options.parse=false]
 		 * @return {Backbone.RelationalModel}
 		 */
 		findOrCreate: function( attributes, options ) {
+			options || ( options = {} );
+			var parsedAttributes = ( _.isObject( attributes ) && options.parse && this.prototype.parse ) ?
+				this.prototype.parse( attributes ) : attributes;
+
 			// Try to find an instance of 'this' model type in the store
-			var model = Backbone.Relational.store.find( this, attributes );
+			var model = Backbone.Relational.store.find( this, parsedAttributes );
 
-			// If we found an instance, update it with the data in 'item'; if not, create an instance
-			// (unless 'options.create' is false).
+			// If we found an instance, update it with the data in 'item' (unless 'options.merge' is false).
+			// If not, create an instance (unless 'options.create' is false).
 			if ( _.isObject( attributes ) ) {
-				if ( model ) {
-					model.set( model.parse ? model.parse( attributes ) : attributes, options );
+				if ( model && options.merge !== false ) {
+					// Make sure `options.collection` doesn't cascade to nested models
+					delete options.collection;
+
+					model.set( parsedAttributes, options );
 				}
-				else if ( !options || ( options && options.create !== false ) ) {
+				else if ( !model && options.create !== false ) {
 					model = this.build( attributes, options );
 				}
 			}
@@ -1530,18 +1661,27 @@
 		}
 	});
 	_.extend( Backbone.RelationalModel.prototype, Backbone.Semaphore );
-	
+
 	/**
 	 * Override Backbone.Collection._prepareModel, so objects will be built using the correct type
 	 * if the collection.model has subModels.
+	 * Attempts to find a model for `attrs` in Backbone.store through `findOrCreate`
+	 * (which sets the new properties on it if found), or instantiates a new model.
 	 */
 	Backbone.Collection.prototype.__prepareModel = Backbone.Collection.prototype._prepareModel;
-	Backbone.Collection.prototype._prepareModel = function ( model, options ) {
-		options || (options = {});
-		if ( !( model instanceof Backbone.Model ) ) {
-			var attrs = model;
+	Backbone.Collection.prototype._prepareModel = function ( attrs, options ) {
+		var model;
+		
+		if ( attrs instanceof Backbone.Model ) {
+			if ( !attrs.collection ) {
+				attrs.collection = this;
+			}
+			model = attrs;
+		}
+		else {
+			options || ( options = {} );
 			options.collection = this;
-
+			
 			if ( typeof this.model.findOrCreate !== 'undefined' ) {
 				model = this.model.findOrCreate( attrs, options );
 			}
@@ -1549,78 +1689,100 @@
 				model = new this.model( attrs, options );
 			}
 			
-			if ( !model._validate( model.attributes, options ) ) {
+			if ( model && model.isNew() && !model._validate( attrs, options ) ) {
+				this.trigger( 'invalid', this, attrs, options );
 				model = false;
 			}
 		}
-		else if ( !model.collection ) {
-			model.collection = this;
-		}
 		
 		return model;
-	}
-	
+	};
+
+
 	/**
-	 * Override Backbone.Collection.add, so objects fetched from the server multiple times will
-	 * update the existing Model. Also, trigger 'relational:add'.
+	 * Override Backbone.Collection.set, so we'll create objects from attributes where required,
+	 * and update the existing models. Also, trigger 'relational:add'.
 	 */
-	var add = Backbone.Collection.prototype.__add = Backbone.Collection.prototype.add;
-	Backbone.Collection.prototype.add = function( models, options ) {
-		options || (options = {});
-		if ( !_.isArray( models ) ) {
-			models = [ models ];
+	var set = Backbone.Collection.prototype.__set = Backbone.Collection.prototype.set;
+	Backbone.Collection.prototype.set = function( models, options ) {
+		// Short-circuit if this Collection doesn't hold RelationalModels
+		if ( !( this.model.prototype instanceof Backbone.RelationalModel ) ) {
+			return set.apply( this, arguments );
 		}
 
-		var modelsToAdd = [];
+		if ( options && options.parse ) {
+			models = this.parse( models, options );
+		}
+
+		if ( !_.isArray( models ) ) {
+			models = models ? [ models ] : [];
+		}
+
+		var newModels = [],
+			toAdd = [];
 
 		//console.debug( 'calling add on coll=%o; model=%o, options=%o', this, models, options );
 		_.each( models, function( model ) {
 			if ( !( model instanceof Backbone.Model ) ) {
-				// `_prepareModel` attempts to find `model` in Backbone.store through `findOrCreate`,
-				// and sets the new properties on it if is found. Otherwise, a new model is instantiated.
 				model = Backbone.Collection.prototype._prepareModel.call( this, model, options );
 			}
 
-			if ( model instanceof Backbone.Model && !this.get( model ) && !this.getByCid( model ) ) {
-				modelsToAdd.push( model );
+			if ( model ) {
+				toAdd.push( model );
+
+				if ( !( this.get( model ) || this.get( model.cid ) ) ) {
+					newModels.push( model );
+				}
+				// If we arrive in `add` while performing a `set` (after a create, so the model gains an `id`),
+				// we may get here before `_onModelEvent` has had the chance to update `_byId`.
+				else if ( model.id != null ) {
+					this._byId[ model.id ] = model;
+				}
 			}
 		}, this );
 
-
 		// Add 'models' in a single batch, so the original add will only be called once (and thus 'sort', etc).
-		if ( modelsToAdd.length ) {
-			add.call( this, modelsToAdd, options );
+		// If `parse` was specified, the collection and contained models have been parsed now.
+		set.call( this, toAdd, _.defaults( { parse: false }, options ) );
 
-			_.each( modelsToAdd, function( model ) {
+		_.each( newModels, function( model ) {
+			// Fire a `relational:add` event for any model in `newModels` that has actually been added to the collection.
+			if ( this.get( model ) || this.get( model.cid ) ) {
 				this.trigger( 'relational:add', model, this, options );
-			}, this );
-		}
+			}
+		}, this );
 		
 		return this;
 	};
-	
+
 	/**
 	 * Override 'Backbone.Collection.remove' to trigger 'relational:remove'.
 	 */
 	var remove = Backbone.Collection.prototype.__remove = Backbone.Collection.prototype.remove;
 	Backbone.Collection.prototype.remove = function( models, options ) {
-		options || (options = {});
-		if ( !_.isArray( models ) ) {
-			models = [ models ];
+		// Short-circuit if this Collection doesn't hold RelationalModels
+		if ( !( this.model.prototype instanceof Backbone.RelationalModel ) ) {
+			return remove.apply( this, arguments );
 		}
-		else {
-			models = models.slice( 0 );
-		}
+
+		models = _.isArray( models ) ? models.slice() : [ models ];
+		options || ( options = {} );
+
+		var toRemove = [];
 
 		//console.debug('calling remove on coll=%o; models=%o, options=%o', this, models, options );
 		_.each( models, function( model ) {
-				model = this.getByCid( model ) || this.get( model );
+			model = this.get( model ) || this.get( model.cid );
+			model && toRemove.push( model );
+		}, this );
 
-				if ( model instanceof Backbone.Model ) {
-					remove.call( this, model, options );
-					this.trigger('relational:remove', model, this, options);
-				}
+		if ( toRemove.length ) {
+			remove.call( this, toRemove, options );
+
+			_.each( toRemove, function( model ) {
+				this.trigger('relational:remove', model, this, options);
 			}, this );
+		}
 		
 		return this;
 	};
@@ -1630,8 +1792,12 @@
 	 */
 	var reset = Backbone.Collection.prototype.__reset = Backbone.Collection.prototype.reset;
 	Backbone.Collection.prototype.reset = function( models, options ) {
+		options = _.extend( { merge: true }, options );
 		reset.call( this, models, options );
-		this.trigger( 'relational:reset', this, options );
+
+		if ( this.model.prototype instanceof Backbone.RelationalModel ) {
+			this.trigger( 'relational:reset', this, options );
+		}
 
 		return this;
 	};
@@ -1642,32 +1808,39 @@
 	var sort = Backbone.Collection.prototype.__sort = Backbone.Collection.prototype.sort;
 	Backbone.Collection.prototype.sort = function( options ) {
 		sort.call( this, options );
-		this.trigger( 'relational:reset', this, options );
+
+		if ( this.model.prototype instanceof Backbone.RelationalModel ) {
+			this.trigger( 'relational:reset', this, options );
+		}
 
 		return this;
 	};
-	
+
 	/**
 	 * Override 'Backbone.Collection.trigger' so 'add', 'remove' and 'reset' events are queued until relations
 	 * are ready.
 	 */
 	var trigger = Backbone.Collection.prototype.__trigger = Backbone.Collection.prototype.trigger;
 	Backbone.Collection.prototype.trigger = function( eventName ) {
+		// Short-circuit if this Collection doesn't hold RelationalModels
+		if ( !( this.model.prototype instanceof Backbone.RelationalModel ) ) {
+			return trigger.apply( this, arguments );
+		}
+
 		if ( eventName === 'add' || eventName === 'remove' || eventName === 'reset' ) {
-			var dit = this, args = arguments;
+			var dit = this,
+				args = arguments;
 			
-			if (eventName === 'add') {
-				args = _.toArray(args);
-				// the fourth argument in case of a regular add is the option object.
+			if ( _.isObject( args[ 3 ] ) ) {
+				args = _.toArray( args );
+				// the fourth argument is the option object.
 				// we need to clone it, as it could be modified while we wait on the eventQueue to be unblocked
-				if (_.isObject(args[3])) {
-					args[3] = _.clone(args[3]);
-				}
+				args[ 3 ] = _.clone( args[ 3 ] );
 			}
 			
 			Backbone.Relational.eventQueue.add( function() {
-					trigger.apply( dit, args );
-				});
+				trigger.apply( dit, args );
+			});
 		}
 		else {
 			trigger.apply( this, arguments );
diff -r c472984db275 -r 1615c7e4ef9d src/js/libs/backbone.js
--- a/src/js/libs/backbone.js	Wed Apr 03 15:44:17 2013 +0200
+++ b/src/js/libs/backbone.js	Tue Apr 23 15:23:20 2013 +0200
@@ -1,1431 +1,4 @@
-//     Backbone.js 0.9.2
-
-//     (c) 2010-2012 Jeremy Ashkenas, DocumentCloud Inc.
-//     Backbone may be freely distributed under the MIT license.
-//     For all details and documentation:
-//     http://backbonejs.org
-
-(function(){
-
-  // Initial Setup
-  // -------------
-
-  // Save a reference to the global object (`window` in the browser, `global`
-  // on the server).
-  var root = this;
-
-  // Save the previous value of the `Backbone` variable, so that it can be
-  // restored later on, if `noConflict` is used.
-  var previousBackbone = root.Backbone;
-
-  // Create a local reference to slice/splice.
-  var slice = Array.prototype.slice;
-  var splice = Array.prototype.splice;
-
-  // The top-level namespace. All public Backbone classes and modules will
-  // be attached to this. Exported for both CommonJS and the browser.
-  var Backbone;
-  if (typeof exports !== 'undefined') {
-    Backbone = exports;
-  } else {
-    Backbone = root.Backbone = {};
-  }
-
-  // Current version of the library. Keep in sync with `package.json`.
-  Backbone.VERSION = '0.9.2';
-
-  // Require Underscore, if we're on the server, and it's not already present.
-  var _ = root._;
-  if (!_ && (typeof require !== 'undefined')) _ = require('underscore');
-
-  // For Backbone's purposes, jQuery, Zepto, or Ender owns the `$` variable.
-  var $ = root.jQuery || root.Zepto || root.ender;
-
-  // Set the JavaScript library that will be used for DOM manipulation and
-  // Ajax calls (a.k.a. the `$` variable). By default Backbone will use: jQuery,
-  // Zepto, or Ender; but the `setDomLibrary()` method lets you inject an
-  // alternate JavaScript library (or a mock library for testing your views
-  // outside of a browser).
-  Backbone.setDomLibrary = function(lib) {
-    $ = lib;
-  };
-
-  // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
-  // to its previous owner. Returns a reference to this Backbone object.
-  Backbone.noConflict = function() {
-    root.Backbone = previousBackbone;
-    return this;
-  };
-
-  // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
-  // will fake `"PUT"` and `"DELETE"` requests via the `_method` parameter and
-  // set a `X-Http-Method-Override` header.
-  Backbone.emulateHTTP = false;
-
-  // Turn on `emulateJSON` to support legacy servers that can't deal with direct
-  // `application/json` requests ... will encode the body as
-  // `application/x-www-form-urlencoded` instead and will send the model in a
-  // form param named `model`.
-  Backbone.emulateJSON = false;
-
-  // Backbone.Events
-  // -----------------
-
-  // Regular expression used to split event strings
-  var eventSplitter = /\s+/;
-
-  // A module that can be mixed in to *any object* in order to provide it with
-  // custom events. You may bind with `on` or remove with `off` callback functions
-  // to an event; trigger`-ing an event fires all callbacks in succession.
-  //
-  //     var object = {};
-  //     _.extend(object, Backbone.Events);
-  //     object.on('expand', function(){ alert('expanded'); });
-  //     object.trigger('expand');
-  //
-  var Events = Backbone.Events = {
-
-    // Bind one or more space separated events, `events`, to a `callback`
-    // function. Passing `"all"` will bind the callback to all events fired.
-    on: function(events, callback, context) {
-
-      var calls, event, node, tail, list;
-      if (!callback) return this;
-      events = events.split(eventSplitter);
-      calls = this._callbacks || (this._callbacks = {});
-
-      // Create an immutable callback list, allowing traversal during
-      // modification.  The tail is an empty object that will always be used
-      // as the next node.
-      while (event = events.shift()) {
-        list = calls[event];
-        node = list ? list.tail : {};
-        node.next = tail = {};
-        node.context = context;
-        node.callback = callback;
-        calls[event] = {tail: tail, next: list ? list.next : node};
-      }
-
-      return this;
-    },
-
-    // Remove one or many callbacks. If `context` is null, removes all callbacks
-    // with that function. If `callback` is null, removes all callbacks for the
-    // event. If `events` is null, removes all bound callbacks for all events.
-    off: function(events, callback, context) {
-      var event, calls, node, tail, cb, ctx;
-
-      // No events, or removing *all* events.
-      if (!(calls = this._callbacks)) return;
-      if (!(events || callback || context)) {
-        delete this._callbacks;
-        return this;
-      }
-
-      // Loop through the listed events and contexts, splicing them out of the
-      // linked list of callbacks if appropriate.
-      events = events ? events.split(eventSplitter) : _.keys(calls);
-      while (event = events.shift()) {
-        node = calls[event];
-        delete calls[event];
-        if (!node || !(callback || context)) continue;
-        // Create a new list, omitting the indicated callbacks.
-        tail = node.tail;
-        while ((node = node.next) !== tail) {
-          cb = node.callback;
-          ctx = node.context;
-          if ((callback && cb !== callback) || (context && ctx !== context)) {
-            this.on(event, cb, ctx);
-          }
-        }
-      }
-
-      return this;
-    },
-
-    // Trigger one or many events, firing all bound callbacks. Callbacks are
-    // passed the same arguments as `trigger` is, apart from the event name
-    // (unless you're listening on `"all"`, which will cause your callback to
-    // receive the true name of the event as the first argument).
-    trigger: function(events) {
-      var event, node, calls, tail, args, all, rest;
-      if (!(calls = this._callbacks)) return this;
-      all = calls.all;
-      events = events.split(eventSplitter);
-      rest = slice.call(arguments, 1);
-
-      // For each event, walk through the linked list of callbacks twice,
-      // first to trigger the event, then to trigger any `"all"` callbacks.
-      while (event = events.shift()) {
-        if (node = calls[event]) {
-          tail = node.tail;
-          while ((node = node.next) !== tail) {
-            node.callback.apply(node.context || this, rest);
-          }
-        }
-        if (node = all) {
-          tail = node.tail;
-          args = [event].concat(rest);
-          while ((node = node.next) !== tail) {
-            node.callback.apply(node.context || this, args);
-          }
-        }
-      }
-
-      return this;
-    }
-
-  };
-
-  // Aliases for backwards compatibility.
-  Events.bind   = Events.on;
-  Events.unbind = Events.off;
-
-  // Backbone.Model
-  // --------------
-
-  // Create a new model, with defined attributes. A client id (`cid`)
-  // is automatically generated and assigned for you.
-  var Model = Backbone.Model = function(attributes, options) {
-    var defaults;
-    attributes || (attributes = {});
-    if (options && options.parse) attributes = this.parse(attributes);
-    if (defaults = getValue(this, 'defaults')) {
-      attributes = _.extend({}, defaults, attributes);
-    }
-    if (options && options.collection) this.collection = options.collection;
-    this.attributes = {};
-    this._escapedAttributes = {};
-    this.cid = _.uniqueId('c');
-    this.changed = {};
-    this._silent = {};
-    this._pending = {};
-    this.set(attributes, {silent: true});
-    // Reset change tracking.
-    this.changed = {};
-    this._silent = {};
-    this._pending = {};
-    this._previousAttributes = _.clone(this.attributes);
-    this.initialize.apply(this, arguments);
-  };
-
-  // Attach all inheritable methods to the Model prototype.
-  _.extend(Model.prototype, Events, {
-
-    // A hash of attributes whose current and previous value differ.
-    changed: null,
-
-    // A hash of attributes that have silently changed since the last time
-    // `change` was called.  Will become pending attributes on the next call.
-    _silent: null,
-
-    // A hash of attributes that have changed since the last `'change'` event
-    // began.
-    _pending: null,
-
-    // The default name for the JSON `id` attribute is `"id"`. MongoDB and
-    // CouchDB users may want to set this to `"_id"`.
-    idAttribute: 'id',
-
-    // Initialize is an empty function by default. Override it with your own
-    // initialization logic.
-    initialize: function(){},
-
-    // Return a copy of the model's `attributes` object.
-    toJSON: function(options) {
-      return _.clone(this.attributes);
-    },
-
-    // Get the value of an attribute.
-    get: function(attr) {
-      return this.attributes[attr];
-    },
-
-    // Get the HTML-escaped value of an attribute.
-    escape: function(attr) {
-      var html;
-      if (html = this._escapedAttributes[attr]) return html;
-      var val = this.get(attr);
-      return this._escapedAttributes[attr] = _.escape(val == null ? '' : '' + val);
-    },
-
-    // Returns `true` if the attribute contains a value that is not null
-    // or undefined.
-    has: function(attr) {
-      return this.get(attr) != null;
-    },
-
-    // Set a hash of model attributes on the object, firing `"change"` unless
-    // you choose to silence it.
-    set: function(key, value, options) {
-      var attrs, attr, val;
-
-      // Handle both `"key", value` and `{key: value}` -style arguments.
-      if (_.isObject(key) || key == null) {
-        attrs = key;
-        options = value;
-      } else {
-        attrs = {};
-        attrs[key] = value;
-      }
-
-      // Extract attributes and options.
-      options || (options = {});
-      if (!attrs) return this;
-      if (attrs instanceof Model) attrs = attrs.attributes;
-      if (options.unset) for (attr in attrs) attrs[attr] = void 0;
-
-      // Run validation.
-      if (!this._validate(attrs, options)) return false;
-
-      // Check for changes of `id`.
-      if (this.idAttribute in attrs) this.id = attrs[this.idAttribute];
-
-      var changes = options.changes = {};
-      var now = this.attributes;
-      var escaped = this._escapedAttributes;
-      var prev = this._previousAttributes || {};
-
-      // For each `set` attribute...
-      for (attr in attrs) {
-        val = attrs[attr];
-
-        // If the new and current value differ, record the change.
-        if (!_.isEqual(now[attr], val) || (options.unset && _.has(now, attr))) {
-          delete escaped[attr];
-          (options.silent ? this._silent : changes)[attr] = true;
-        }
-
-        // Update or delete the current value.
-        options.unset ? delete now[attr] : now[attr] = val;
-
-        // If the new and previous value differ, record the change.  If not,
-        // then remove changes for this attribute.
-        if (!_.isEqual(prev[attr], val) || (_.has(now, attr) != _.has(prev, attr))) {
-          this.changed[attr] = val;
-          if (!options.silent) this._pending[attr] = true;
-        } else {
-          delete this.changed[attr];
-          delete this._pending[attr];
-        }
-      }
-
-      // Fire the `"change"` events.
-      if (!options.silent) this.change(options);
-      return this;
-    },
-
-    // Remove an attribute from the model, firing `"change"` unless you choose
-    // to silence it. `unset` is a noop if the attribute doesn't exist.
-    unset: function(attr, options) {
-      (options || (options = {})).unset = true;
-      return this.set(attr, null, options);
-    },
-
-    // Clear all attributes on the model, firing `"change"` unless you choose
-    // to silence it.
-    clear: function(options) {
-      (options || (options = {})).unset = true;
-      return this.set(_.clone(this.attributes), options);
-    },
-
-    // Fetch the model from the server. If the server's representation of the
-    // model differs from its current attributes, they will be overriden,
-    // triggering a `"change"` event.
-    fetch: function(options) {
-      options = options ? _.clone(options) : {};
-      var model = this;
-      var success = options.success;
-      options.success = function(resp, status, xhr) {
-        if (!model.set(model.parse(resp, xhr), options)) return false;
-        if (success) success(model, resp);
-      };
-      options.error = Backbone.wrapError(options.error, model, options);
-      return (this.sync || Backbone.sync).call(this, 'read', this, options);
-    },
-
-    // Set a hash of model attributes, and sync the model to the server.
-    // If the server returns an attributes hash that differs, the model's
-    // state will be `set` again.
-    save: function(key, value, options) {
-      var attrs, current;
-
-      // Handle both `("key", value)` and `({key: value})` -style calls.
-      if (_.isObject(key) || key == null) {
-        attrs = key;
-        options = value;
-      } else {
-        attrs = {};
-        attrs[key] = value;
-      }
-      options = options ? _.clone(options) : {};
-
-      // If we're "wait"-ing to set changed attributes, validate early.
-      if (options.wait) {
-        if (!this._validate(attrs, options)) return false;
-        current = _.clone(this.attributes);
-      }
-
-      // Regular saves `set` attributes before persisting to the server.
-      var silentOptions = _.extend({}, options, {silent: true});
-      if (attrs && !this.set(attrs, options.wait ? silentOptions : options)) {
-        return false;
-      }
-
-      // After a successful server-side save, the client is (optionally)
-      // updated with the server-side state.
-      var model = this;
-      var success = options.success;
-      options.success = function(resp, status, xhr) {
-        var serverAttrs = model.parse(resp, xhr);
-        if (options.wait) {
-          delete options.wait;
-          serverAttrs = _.extend(attrs || {}, serverAttrs);
-        }
-        if (!model.set(serverAttrs, options)) return false;
-        if (success) {
-          success(model, resp);
-        } else {
-          model.trigger('sync', model, resp, options);
-        }
-      };
-
-      // Finish configuring and sending the Ajax request.
-      options.error = Backbone.wrapError(options.error, model, options);
-      var method = this.isNew() ? 'create' : 'update';
-      var xhr = (this.sync || Backbone.sync).call(this, method, this, options);
-      if (options.wait) this.set(current, silentOptions);
-      return xhr;
-    },
-
-    // Destroy this model on the server if it was already persisted.
-    // Optimistically removes the model from its collection, if it has one.
-    // If `wait: true` is passed, waits for the server to respond before removal.
-    destroy: function(options) {
-      options = options ? _.clone(options) : {};
-      var model = this;
-      var success = options.success;
-
-      var triggerDestroy = function() {
-        model.trigger('destroy', model, model.collection, options);
-      };
-
-      if (this.isNew()) {
-        triggerDestroy();
-        return false;
-      }
-
-      options.success = function(resp) {
-        if (options.wait) triggerDestroy();
-        if (success) {
-          success(model, resp);
-        } else {
-          model.trigger('sync', model, resp, options);
-        }
-      };
-
-      options.error = Backbone.wrapError(options.error, model, options);
-      var xhr = (this.sync || Backbone.sync).call(this, 'delete', this, options);
-      if (!options.wait) triggerDestroy();
-      return xhr;
-    },
-
-    // Default URL for the model's representation on the server -- if you're
-    // using Backbone's restful methods, override this to change the endpoint
-    // that will be called.
-    url: function() {
-      var base = getValue(this, 'urlRoot') || getValue(this.collection, 'url') || urlError();
-      if (this.isNew()) return base;
-      return base + (base.charAt(base.length - 1) == '/' ? '' : '/') + encodeURIComponent(this.id);
-    },
-
-    // **parse** converts a response into the hash of attributes to be `set` on
-    // the model. The default implementation is just to pass the response along.
-    parse: function(resp, xhr) {
-      return resp;
-    },
-
-    // Create a new model with identical attributes to this one.
-    clone: function() {
-      return new this.constructor(this.attributes);
-    },
-
-    // A model is new if it has never been saved to the server, and lacks an id.
-    isNew: function() {
-      return this.id == null;
-    },
-
-    // Call this method to manually fire a `"change"` event for this model and
-    // a `"change:attribute"` event for each changed attribute.
-    // Calling this will cause all objects observing the model to update.
-    change: function(options) {
-      options || (options = {});
-      var changing = this._changing;
-      this._changing = true;
-
-      // Silent changes become pending changes.
-      for (var attr in this._silent) this._pending[attr] = true;
-
-      // Silent changes are triggered.
-      var changes = _.extend({}, options.changes, this._silent);
-      this._silent = {};
-      for (var attr in changes) {
-        this.trigger('change:' + attr, this, this.get(attr), options);
-      }
-      if (changing) return this;
-
-      // Continue firing `"change"` events while there are pending changes.
-      while (!_.isEmpty(this._pending)) {
-        this._pending = {};
-        this.trigger('change', this, options);
-        // Pending and silent changes still remain.
-        for (var attr in this.changed) {
-          if (this._pending[attr] || this._silent[attr]) continue;
-          delete this.changed[attr];
-        }
-        this._previousAttributes = _.clone(this.attributes);
-      }
-
-      this._changing = false;
-      return this;
-    },
-
-    // Determine if the model has changed since the last `"change"` event.
-    // If you specify an attribute name, determine if that attribute has changed.
-    hasChanged: function(attr) {
-      if (!arguments.length) return !_.isEmpty(this.changed);
-      return _.has(this.changed, attr);
-    },
-
-    // Return an object containing all the attributes that have changed, or
-    // false if there are no changed attributes. Useful for determining what
-    // parts of a view need to be updated and/or what attributes need to be
-    // persisted to the server. Unset attributes will be set to undefined.
-    // You can also pass an attributes object to diff against the model,
-    // determining if there *would be* a change.
-    changedAttributes: function(diff) {
-      if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
-      var val, changed = false, old = this._previousAttributes;
-      for (var attr in diff) {
-        if (_.isEqual(old[attr], (val = diff[attr]))) continue;
-        (changed || (changed = {}))[attr] = val;
-      }
-      return changed;
-    },
-
-    // Get the previous value of an attribute, recorded at the time the last
-    // `"change"` event was fired.
-    previous: function(attr) {
-      if (!arguments.length || !this._previousAttributes) return null;
-      return this._previousAttributes[attr];
-    },
-
-    // Get all of the attributes of the model at the time of the previous
-    // `"change"` event.
-    previousAttributes: function() {
-      return _.clone(this._previousAttributes);
-    },
-
-    // Check if the model is currently in a valid state. It's only possible to
-    // get into an *invalid* state if you're using silent changes.
-    isValid: function() {
-      return !this.validate(this.attributes);
-    },
-
-    // Run validation against the next complete set of model attributes,
-    // returning `true` if all is well. If a specific `error` callback has
-    // been passed, call that instead of firing the general `"error"` event.
-    _validate: function(attrs, options) {
-      if (options.silent || !this.validate) return true;
-      attrs = _.extend({}, this.attributes, attrs);
-      var error = this.validate(attrs, options);
-      if (!error) return true;
-      if (options && options.error) {
-        options.error(this, error, options);
-      } else {
-        this.trigger('error', this, error, options);
-      }
-      return false;
-    }
-
-  });
-
-  // Backbone.Collection
-  // -------------------
-
-  // Provides a standard collection class for our sets of models, ordered
-  // or unordered. If a `comparator` is specified, the Collection will maintain
-  // its models in sort order, as they're added and removed.
-  var Collection = Backbone.Collection = function(models, options) {
-    options || (options = {});
-    if (options.model) this.model = options.model;
-    if (options.comparator) this.comparator = options.comparator;
-    this._reset();
-    this.initialize.apply(this, arguments);
-    if (models) this.reset(models, {silent: true, parse: options.parse});
-  };
-
-  // Define the Collection's inheritable methods.
-  _.extend(Collection.prototype, Events, {
-
-    // The default model for a collection is just a **Backbone.Model**.
-    // This should be overridden in most cases.
-    model: Model,
-
-    // Initialize is an empty function by default. Override it with your own
-    // initialization logic.
-    initialize: function(){},
-
-    // The JSON representation of a Collection is an array of the
-    // models' attributes.
-    toJSON: function(options) {
-      return this.map(function(model){ return model.toJSON(options); });
-    },
-
-    // Add a model, or list of models to the set. Pass **silent** to avoid
-    // firing the `add` event for every new model.
-    add: function(models, options) {
-      var i, index, length, model, cid, id, cids = {}, ids = {}, dups = [];
-      options || (options = {});
-      models = _.isArray(models) ? models.slice() : [models];
-
-      // Begin by turning bare objects into model references, and preventing
-      // invalid models or duplicate models from being added.
-      for (i = 0, length = models.length; i < length; i++) {
-        if (!(model = models[i] = this._prepareModel(models[i], options))) {
-          throw new Error("Can't add an invalid model to a collection");
-        }
-        cid = model.cid;
-        id = model.id;
-        if (cids[cid] || this._byCid[cid] || ((id != null) && (ids[id] || this._byId[id]))) {
-          dups.push(i);
-          continue;
-        }
-        cids[cid] = ids[id] = model;
-      }
-
-      // Remove duplicates.
-      i = dups.length;
-      while (i--) {
-        models.splice(dups[i], 1);
-      }
-
-      // Listen to added models' events, and index models for lookup by
-      // `id` and by `cid`.
-      for (i = 0, length = models.length; i < length; i++) {
-        (model = models[i]).on('all', this._onModelEvent, this);
-        this._byCid[model.cid] = model;
-        if (model.id != null) this._byId[model.id] = model;
-      }
-
-      // Insert models into the collection, re-sorting if needed, and triggering
-      // `add` events unless silenced.
-      this.length += length;
-      index = options.at != null ? options.at : this.models.length;
-      splice.apply(this.models, [index, 0].concat(models));
-      if (this.comparator) this.sort({silent: true});
-      if (options.silent) return this;
-      for (i = 0, length = this.models.length; i < length; i++) {
-        if (!cids[(model = this.models[i]).cid]) continue;
-        options.index = i;
-        model.trigger('add', model, this, options);
-      }
-      return this;
-    },
-
-    // Remove a model, or a list of models from the set. Pass silent to avoid
-    // firing the `remove` event for every model removed.
-    remove: function(models, options) {
-      var i, l, index, model;
-      options || (options = {});
-      models = _.isArray(models) ? models.slice() : [models];
-      for (i = 0, l = models.length; i < l; i++) {
-        model = this.getByCid(models[i]) || this.get(models[i]);
-        if (!model) continue;
-        delete this._byId[model.id];
-        delete this._byCid[model.cid];
-        index = this.indexOf(model);
-        this.models.splice(index, 1);
-        this.length--;
-        if (!options.silent) {
-          options.index = index;
-          model.trigger('remove', model, this, options);
-        }
-        this._removeReference(model);
-      }
-      return this;
-    },
-
-    // Add a model to the end of the collection.
-    push: function(model, options) {
-      model = this._prepareModel(model, options);
-      this.add(model, options);
-      return model;
-    },
-
-    // Remove a model from the end of the collection.
-    pop: function(options) {
-      var model = this.at(this.length - 1);
-      this.remove(model, options);
-      return model;
-    },
-
-    // Add a model to the beginning of the collection.
-    unshift: function(model, options) {
-      model = this._prepareModel(model, options);
-      this.add(model, _.extend({at: 0}, options));
-      return model;
-    },
-
-    // Remove a model from the beginning of the collection.
-    shift: function(options) {
-      var model = this.at(0);
-      this.remove(model, options);
-      return model;
-    },
-
-    // Get a model from the set by id.
-    get: function(id) {
-      if (id == null) return void 0;
-      return this._byId[id.id != null ? id.id : id];
-    },
-
-    // Get a model from the set by client id.
-    getByCid: function(cid) {
-      return cid && this._byCid[cid.cid || cid];
-    },
-
-    // Get the model at the given index.
-    at: function(index) {
-      return this.models[index];
-    },
-
-    // Return models with matching attributes. Useful for simple cases of `filter`.
-    where: function(attrs) {
-      if (_.isEmpty(attrs)) return [];
-      return this.filter(function(model) {
-        for (var key in attrs) {
-          if (attrs[key] !== model.get(key)) return false;
-        }
-        return true;
-      });
-    },
-
-    // Force the collection to re-sort itself. You don't need to call this under
-    // normal circumstances, as the set will maintain sort order as each item
-    // is added.
-    sort: function(options) {
-      options || (options = {});
-      if (!this.comparator) throw new Error('Cannot sort a set without a comparator');
-      var boundComparator = _.bind(this.comparator, this);
-      if (this.comparator.length == 1) {
-        this.models = this.sortBy(boundComparator);
-      } else {
-        this.models.sort(boundComparator);
-      }
-      if (!options.silent) this.trigger('reset', this, options);
-      return this;
-    },
-
-    // Pluck an attribute from each model in the collection.
-    pluck: function(attr) {
-      return _.map(this.models, function(model){ return model.get(attr); });
-    },
-
-    // When you have more items than you want to add or remove individually,
-    // you can reset the entire set with a new list of models, without firing
-    // any `add` or `remove` events. Fires `reset` when finished.
-    reset: function(models, options) {
-      models  || (models = []);
-      options || (options = {});
-      for (var i = 0, l = this.models.length; i < l; i++) {
-        this._removeReference(this.models[i]);
-      }
-      this._reset();
-      this.add(models, _.extend({silent: true}, options));
-      if (!options.silent) this.trigger('reset', this, options);
-      return this;
-    },
-
-    // Fetch the default set of models for this collection, resetting the
-    // collection when they arrive. If `add: true` is passed, appends the
-    // models to the collection instead of resetting.
-    fetch: function(options) {
-      options = options ? _.clone(options) : {};
-      if (options.parse === undefined) options.parse = true;
-      var collection = this;
-      var success = options.success;
-      options.success = function(resp, status, xhr) {
-        collection[options.add ? 'add' : 'reset'](collection.parse(resp, xhr), options);
-        if (success) success(collection, resp);
-      };
-      options.error = Backbone.wrapError(options.error, collection, options);
-      return (this.sync || Backbone.sync).call(this, 'read', this, options);
-    },
-
-    // Create a new instance of a model in this collection. Add the model to the
-    // collection immediately, unless `wait: true` is passed, in which case we
-    // wait for the server to agree.
-    create: function(model, options) {
-      var coll = this;
-      options = options ? _.clone(options) : {};
-      model = this._prepareModel(model, options);
-      if (!model) return false;
-      if (!options.wait) coll.add(model, options);
-      var success = options.success;
-      options.success = function(nextModel, resp, xhr) {
-        if (options.wait) coll.add(nextModel, options);
-        if (success) {
-          success(nextModel, resp);
-        } else {
-          nextModel.trigger('sync', model, resp, options);
-        }
-      };
-      model.save(null, options);
-      return model;
-    },
-
-    // **parse** converts a response into a list of models to be added to the
-    // collection. The default implementation is just to pass it through.
-    parse: function(resp, xhr) {
-      return resp;
-    },
-
-    // Proxy to _'s chain. Can't be proxied the same way the rest of the
-    // underscore methods are proxied because it relies on the underscore
-    // constructor.
-    chain: function () {
-      return _(this.models).chain();
-    },
-
-    // Reset all internal state. Called when the collection is reset.
-    _reset: function(options) {
-      this.length = 0;
-      this.models = [];
-      this._byId  = {};
-      this._byCid = {};
-    },
-
-    // Prepare a model or hash of attributes to be added to this collection.
-    _prepareModel: function(model, options) {
-      options || (options = {});
-      if (!(model instanceof Model)) {
-        var attrs = model;
-        options.collection = this;
-        model = new this.model(attrs, options);
-        if (!model._validate(model.attributes, options)) model = false;
-      } else if (!model.collection) {
-        model.collection = this;
-      }
-      return model;
-    },
-
-    // Internal method to remove a model's ties to a collection.
-    _removeReference: function(model) {
-      if (this == model.collection) {
-        delete model.collection;
-      }
-      model.off('all', this._onModelEvent, this);
-    },
-
-    // Internal method called every time a model in the set fires an event.
-    // Sets need to update their indexes when models change ids. All other
-    // events simply proxy through. "add" and "remove" events that originate
-    // in other collections are ignored.
-    _onModelEvent: function(event, model, collection, options) {
-      if ((event == 'add' || event == 'remove') && collection != this) return;
-      if (event == 'destroy') {
-        this.remove(model, options);
-      }
-      if (model && event === 'change:' + model.idAttribute) {
-        delete this._byId[model.previous(model.idAttribute)];
-        this._byId[model.id] = model;
-      }
-      this.trigger.apply(this, arguments);
-    }
-
-  });
-
-  // Underscore methods that we want to implement on the Collection.
-  var methods = ['forEach', 'each', 'map', 'reduce', 'reduceRight', 'find',
-    'detect', 'filter', 'select', 'reject', 'every', 'all', 'some', 'any',
-    'include', 'contains', 'invoke', 'max', 'min', 'sortBy', 'sortedIndex',
-    'toArray', 'size', 'first', 'initial', 'rest', 'last', 'without', 'indexOf',
-    'shuffle', 'lastIndexOf', 'isEmpty', 'groupBy'];
-
-  // Mix in each Underscore method as a proxy to `Collection#models`.
-  _.each(methods, function(method) {
-    Collection.prototype[method] = function() {
-      return _[method].apply(_, [this.models].concat(_.toArray(arguments)));
-    };
-  });
-
-  // Backbone.Router
-  // -------------------
-
-  // Routers map faux-URLs to actions, and fire events when routes are
-  // matched. Creating a new one sets its `routes` hash, if not set statically.
-  var Router = Backbone.Router = function(options) {
-    options || (options = {});
-    if (options.routes) this.routes = options.routes;
-    this._bindRoutes();
-    this.initialize.apply(this, arguments);
-  };
-
-  // Cached regular expressions for matching named param parts and splatted
-  // parts of route strings.
-  var namedParam    = /:\w+/g;
-  var splatParam    = /\*\w+/g;
-  var escapeRegExp  = /[-[\]{}()+?.,\\^$|#\s]/g;
-
-  // Set up all inheritable **Backbone.Router** properties and methods.
-  _.extend(Router.prototype, Events, {
-
-    // Initialize is an empty function by default. Override it with your own
-    // initialization logic.
-    initialize: function(){},
-
-    // Manually bind a single named route to a callback. For example:
-    //
-    //     this.route('search/:query/p:num', 'search', function(query, num) {
-    //       ...
-    //     });
-    //
-    route: function(route, name, callback) {
-      Backbone.history || (Backbone.history = new History);
-      if (!_.isRegExp(route)) route = this._routeToRegExp(route);
-      if (!callback) callback = this[name];
-      Backbone.history.route(route, _.bind(function(fragment) {
-        var args = this._extractParameters(route, fragment);
-        callback && callback.apply(this, args);
-        this.trigger.apply(this, ['route:' + name].concat(args));
-        Backbone.history.trigger('route', this, name, args);
-      }, this));
-      return this;
-    },
-
-    // Simple proxy to `Backbone.history` to save a fragment into the history.
-    navigate: function(fragment, options) {
-      Backbone.history.navigate(fragment, options);
-    },
-
-    // Bind all defined routes to `Backbone.history`. We have to reverse the
-    // order of the routes here to support behavior where the most general
-    // routes can be defined at the bottom of the route map.
-    _bindRoutes: function() {
-      if (!this.routes) return;
-      var routes = [];
-      for (var route in this.routes) {
-        routes.unshift([route, this.routes[route]]);
-      }
-      for (var i = 0, l = routes.length; i < l; i++) {
-        this.route(routes[i][0], routes[i][1], this[routes[i][1]]);
-      }
-    },
-
-    // Convert a route string into a regular expression, suitable for matching
-    // against the current location hash.
-    _routeToRegExp: function(route) {
-      route = route.replace(escapeRegExp, '\\$&')
-                   .replace(namedParam, '([^\/]+)')
-                   .replace(splatParam, '(.*?)');
-      return new RegExp('^' + route + '$');
-    },
-
-    // Given a route, and a URL fragment that it matches, return the array of
-    // extracted parameters.
-    _extractParameters: function(route, fragment) {
-      return route.exec(fragment).slice(1);
-    }
-
-  });
-
-  // Backbone.History
-  // ----------------
-
-  // Handles cross-browser history management, based on URL fragments. If the
-  // browser does not support `onhashchange`, falls back to polling.
-  var History = Backbone.History = function() {
-    this.handlers = [];
-    _.bindAll(this, 'checkUrl');
-  };
-
-  // Cached regex for cleaning leading hashes and slashes .
-  var routeStripper = /^[#\/]/;
-
-  // Cached regex for detecting MSIE.
-  var isExplorer = /msie [\w.]+/;
-
-  // Has the history handling already been started?
-  History.started = false;
-
-  // Set up all inheritable **Backbone.History** properties and methods.
-  _.extend(History.prototype, Events, {
-
-    // The default interval to poll for hash changes, if necessary, is
-    // twenty times a second.
-    interval: 50,
-
-    // Gets the true hash value. Cannot use location.hash directly due to bug
-    // in Firefox where location.hash will always be decoded.
-    getHash: function(windowOverride) {
-      var loc = windowOverride ? windowOverride.location : window.location;
-      var match = loc.href.match(/#(.*)$/);
-      return match ? match[1] : '';
-    },
-
-    // Get the cross-browser normalized URL fragment, either from the URL,
-    // the hash, or the override.
-    getFragment: function(fragment, forcePushState) {
-      if (fragment == null) {
-        if (this._hasPushState || forcePushState) {
-          fragment = window.location.pathname;
-          var search = window.location.search;
-          if (search) fragment += search;
-        } else {
-          fragment = this.getHash();
-        }
-      }
-      if (!fragment.indexOf(this.options.root)) fragment = fragment.substr(this.options.root.length);
-      return fragment.replace(routeStripper, '');
-    },
-
-    // Start the hash change handling, returning `true` if the current URL matches
-    // an existing route, and `false` otherwise.
-    start: function(options) {
-      if (History.started) throw new Error("Backbone.history has already been started");
-      History.started = true;
-
-      // Figure out the initial configuration. Do we need an iframe?
-      // Is pushState desired ... is it available?
-      this.options          = _.extend({}, {root: '/'}, this.options, options);
-      this._wantsHashChange = this.options.hashChange !== false;
-      this._wantsPushState  = !!this.options.pushState;
-      this._hasPushState    = !!(this.options.pushState && window.history && window.history.pushState);
-      var fragment          = this.getFragment();
-      var docMode           = document.documentMode;
-      var oldIE             = (isExplorer.exec(navigator.userAgent.toLowerCase()) && (!docMode || docMode <= 7));
-
-      if (oldIE) {
-        this.iframe = $('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo('body')[0].contentWindow;
-        this.navigate(fragment);
-      }
-
-      // Depending on whether we're using pushState or hashes, and whether
-      // 'onhashchange' is supported, determine how we check the URL state.
-      if (this._hasPushState) {
-        $(window).bind('popstate', this.checkUrl);
-      } else if (this._wantsHashChange && ('onhashchange' in window) && !oldIE) {
-        $(window).bind('hashchange', this.checkUrl);
-      } else if (this._wantsHashChange) {
-        this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
-      }
-
-      // Determine if we need to change the base url, for a pushState link
-      // opened by a non-pushState browser.
-      this.fragment = fragment;
-      var loc = window.location;
-      var atRoot  = loc.pathname == this.options.root;
-
-      // If we've started off with a route from a `pushState`-enabled browser,
-      // but we're currently in a browser that doesn't support it...
-      if (this._wantsHashChange && this._wantsPushState && !this._hasPushState && !atRoot) {
-        this.fragment = this.getFragment(null, true);
-        window.location.replace(this.options.root + '#' + this.fragment);
-        // Return immediately as browser will do redirect to new url
-        return true;
-
-      // Or if we've started out with a hash-based route, but we're currently
-      // in a browser where it could be `pushState`-based instead...
-      } else if (this._wantsPushState && this._hasPushState && atRoot && loc.hash) {
-        this.fragment = this.getHash().replace(routeStripper, '');
-        window.history.replaceState({}, document.title, loc.protocol + '//' + loc.host + this.options.root + this.fragment);
-      }
-
-      if (!this.options.silent) {
-        return this.loadUrl();
-      }
-    },
-
-    // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
-    // but possibly useful for unit testing Routers.
-    stop: function() {
-      $(window).unbind('popstate', this.checkUrl).unbind('hashchange', this.checkUrl);
-      clearInterval(this._checkUrlInterval);
-      History.started = false;
-    },
-
-    // Add a route to be tested when the fragment changes. Routes added later
-    // may override previous routes.
-    route: function(route, callback) {
-      this.handlers.unshift({route: route, callback: callback});
-    },
-
-    // Checks the current URL to see if it has changed, and if it has,
-    // calls `loadUrl`, normalizing across the hidden iframe.
-    checkUrl: function(e) {
-      var current = this.getFragment();
-      if (current == this.fragment && this.iframe) current = this.getFragment(this.getHash(this.iframe));
-      if (current == this.fragment) return false;
-      if (this.iframe) this.navigate(current);
-      this.loadUrl() || this.loadUrl(this.getHash());
-    },
-
-    // Attempt to load the current URL fragment. If a route succeeds with a
-    // match, returns `true`. If no defined routes matches the fragment,
-    // returns `false`.
-    loadUrl: function(fragmentOverride) {
-      var fragment = this.fragment = this.getFragment(fragmentOverride);
-      var matched = _.any(this.handlers, function(handler) {
-        if (handler.route.test(fragment)) {
-          handler.callback(fragment);
-          return true;
-        }
-      });
-      return matched;
-    },
-
-    // Save a fragment into the hash history, or replace the URL state if the
-    // 'replace' option is passed. You are responsible for properly URL-encoding
-    // the fragment in advance.
-    //
-    // The options object can contain `trigger: true` if you wish to have the
-    // route callback be fired (not usually desirable), or `replace: true`, if
-    // you wish to modify the current URL without adding an entry to the history.
-    navigate: function(fragment, options) {
-      if (!History.started) return false;
-      if (!options || options === true) options = {trigger: options};
-      var frag = (fragment || '').replace(routeStripper, '');
-      if (this.fragment == frag) return;
-
-      // If pushState is available, we use it to set the fragment as a real URL.
-      if (this._hasPushState) {
-        if (frag.indexOf(this.options.root) != 0) frag = this.options.root + frag;
-        this.fragment = frag;
-        window.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, frag);
-
-      // If hash changes haven't been explicitly disabled, update the hash
-      // fragment to store history.
-      } else if (this._wantsHashChange) {
-        this.fragment = frag;
-        this._updateHash(window.location, frag, options.replace);
-        if (this.iframe && (frag != this.getFragment(this.getHash(this.iframe)))) {
-          // Opening and closing the iframe tricks IE7 and earlier to push a history entry on hash-tag change.
-          // When replace is true, we don't want this.
-          if(!options.replace) this.iframe.document.open().close();
-          this._updateHash(this.iframe.location, frag, options.replace);
-        }
-
-      // If you've told us that you explicitly don't want fallback hashchange-
-      // based history, then `navigate` becomes a page refresh.
-      } else {
-        window.location.assign(this.options.root + fragment);
-      }
-      if (options.trigger) this.loadUrl(fragment);
-    },
-
-    // Update the hash location, either replacing the current entry, or adding
-    // a new one to the browser history.
-    _updateHash: function(location, fragment, replace) {
-      if (replace) {
-        location.replace(location.toString().replace(/(javascript:|#).*$/, '') + '#' + fragment);
-      } else {
-        location.hash = fragment;
-      }
-    }
-  });
-
-  // Backbone.View
-  // -------------
-
-  // Creating a Backbone.View creates its initial element outside of the DOM,
-  // if an existing element is not provided...
-  var View = Backbone.View = function(options) {
-    this.cid = _.uniqueId('view');
-    this._configure(options || {});
-    this._ensureElement();
-    this.initialize.apply(this, arguments);
-    this.delegateEvents();
-  };
-
-  // Cached regex to split keys for `delegate`.
-  var delegateEventSplitter = /^(\S+)\s*(.*)$/;
-
-  // List of view options to be merged as properties.
-  var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName'];
-
-  // Set up all inheritable **Backbone.View** properties and methods.
-  _.extend(View.prototype, Events, {
-
-    // The default `tagName` of a View's element is `"div"`.
-    tagName: 'div',
-
-    // jQuery delegate for element lookup, scoped to DOM elements within the
-    // current view. This should be prefered to global lookups where possible.
-    $: function(selector) {
-      return this.$el.find(selector);
-    },
-
-    // Initialize is an empty function by default. Override it with your own
-    // initialization logic.
-    initialize: function(){},
-
-    // **render** is the core function that your view should override, in order
-    // to populate its element (`this.el`), with the appropriate HTML. The
-    // convention is for **render** to always return `this`.
-    render: function() {
-      return this;
-    },
-
-    // Remove this view from the DOM. Note that the view isn't present in the
-    // DOM by default, so calling this method may be a no-op.
-    remove: function() {
-      this.$el.remove();
-      return this;
-    },
-
-    // For small amounts of DOM Elements, where a full-blown template isn't
-    // needed, use **make** to manufacture elements, one at a time.
-    //
-    //     var el = this.make('li', {'class': 'row'}, this.model.escape('title'));
-    //
-    make: function(tagName, attributes, content) {
-      var el = document.createElement(tagName);
-      if (attributes) $(el).attr(attributes);
-      if (content) $(el).html(content);
-      return el;
-    },
-
-    // Change the view's element (`this.el` property), including event
-    // re-delegation.
-    setElement: function(element, delegate) {
-      if (this.$el) this.undelegateEvents();
-      this.$el = (element instanceof $) ? element : $(element);
-      this.el = this.$el[0];
-      if (delegate !== false) this.delegateEvents();
-      return this;
-    },
-
-    // Set callbacks, where `this.events` is a hash of
-    //
-    // *{"event selector": "callback"}*
-    //
-    //     {
-    //       'mousedown .title':  'edit',
-    //       'click .button':     'save'
-    //       'click .open':       function(e) { ... }
-    //     }
-    //
-    // pairs. Callbacks will be bound to the view, with `this` set properly.
-    // Uses event delegation for efficiency.
-    // Omitting the selector binds the event to `this.el`.
-    // This only works for delegate-able events: not `focus`, `blur`, and
-    // not `change`, `submit`, and `reset` in Internet Explorer.
-    delegateEvents: function(events) {
-      if (!(events || (events = getValue(this, 'events')))) return;
-      this.undelegateEvents();
-      for (var key in events) {
-        var method = events[key];
-        if (!_.isFunction(method)) method = this[events[key]];
-        if (!method) throw new Error('Method "' + events[key] + '" does not exist');
-        var match = key.match(delegateEventSplitter);
-        var eventName = match[1], selector = match[2];
-        method = _.bind(method, this);
-        eventName += '.delegateEvents' + this.cid;
-        if (selector === '') {
-          this.$el.bind(eventName, method);
-        } else {
-          this.$el.delegate(selector, eventName, method);
-        }
-      }
-    },
-
-    // Clears all callbacks previously bound to the view with `delegateEvents`.
-    // You usually don't need to use this, but may wish to if you have multiple
-    // Backbone views attached to the same DOM element.
-    undelegateEvents: function() {
-      this.$el.unbind('.delegateEvents' + this.cid);
-    },
-
-    // Performs the initial configuration of a View with a set of options.
-    // Keys with special meaning *(model, collection, id, className)*, are
-    // attached directly to the view.
-    _configure: function(options) {
-      if (this.options) options = _.extend({}, this.options, options);
-      for (var i = 0, l = viewOptions.length; i < l; i++) {
-        var attr = viewOptions[i];
-        if (options[attr]) this[attr] = options[attr];
-      }
-      this.options = options;
-    },
-
-    // Ensure that the View has a DOM element to render into.
-    // If `this.el` is a string, pass it through `$()`, take the first
-    // matching element, and re-assign it to `el`. Otherwise, create
-    // an element from the `id`, `className` and `tagName` properties.
-    _ensureElement: function() {
-      if (!this.el) {
-        var attrs = getValue(this, 'attributes') || {};
-        if (this.id) attrs.id = this.id;
-        if (this.className) attrs['class'] = this.className;
-        this.setElement(this.make(this.tagName, attrs), false);
-      } else {
-        this.setElement(this.el, false);
-      }
-    }
-
-  });
-
-  // The self-propagating extend function that Backbone classes use.
-  var extend = function (protoProps, classProps) {
-    var child = inherits(this, protoProps, classProps);
-    child.extend = this.extend;
-    return child;
-  };
-
-  // Set up inheritance for the model, collection, and view.
-  Model.extend = Collection.extend = Router.extend = View.extend = extend;
-
-  // Backbone.sync
-  // -------------
-
-  // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
-  var methodMap = {
-    'create': 'POST',
-    'update': 'PUT',
-    'delete': 'DELETE',
-    'read':   'GET'
-  };
-
-  // Override this function to change the manner in which Backbone persists
-  // models to the server. You will be passed the type of request, and the
-  // model in question. By default, makes a RESTful Ajax request
-  // to the model's `url()`. Some possible customizations could be:
-  //
-  // * Use `setTimeout` to batch rapid-fire updates into a single request.
-  // * Send up the models as XML instead of JSON.
-  // * Persist models via WebSockets instead of Ajax.
-  //
-  // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
-  // as `POST`, with a `_method` parameter containing the true HTTP method,
-  // as well as all requests with the body as `application/x-www-form-urlencoded`
-  // instead of `application/json` with the model in a param named `model`.
-  // Useful when interfacing with server-side languages like **PHP** that make
-  // it difficult to read the body of `PUT` requests.
-  Backbone.sync = function(method, model, options) {
-    var type = methodMap[method];
-
-    // Default options, unless specified.
-    options || (options = {});
-
-    // Default JSON-request options.
-    var params = {type: type, dataType: 'json'};
-
-    // Ensure that we have a URL.
-    if (!options.url) {
-      params.url = getValue(model, 'url') || urlError();
-    }
-
-    // Ensure that we have the appropriate request data.
-    if (!options.data && model && (method == 'create' || method == 'update')) {
-      params.contentType = 'application/json';
-      params.data = JSON.stringify(model.toJSON());
-    }
-
-    // For older servers, emulate JSON by encoding the request into an HTML-form.
-    if (Backbone.emulateJSON) {
-      params.contentType = 'application/x-www-form-urlencoded';
-      params.data = params.data ? {model: params.data} : {};
-    }
-
-    // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
-    // And an `X-HTTP-Method-Override` header.
-    if (Backbone.emulateHTTP) {
-      if (type === 'PUT' || type === 'DELETE') {
-        if (Backbone.emulateJSON) params.data._method = type;
-        params.type = 'POST';
-        params.beforeSend = function(xhr) {
-          xhr.setRequestHeader('X-HTTP-Method-Override', type);
-        };
-      }
-    }
-
-    // Don't process data on a non-GET request.
-    if (params.type !== 'GET' && !Backbone.emulateJSON) {
-      params.processData = false;
-    }
-
-    // Make the request, allowing the user to override any Ajax options.
-    return $.ajax(_.extend(params, options));
-  };
-
-  // Wrap an optional error callback with a fallback error event.
-  Backbone.wrapError = function(onError, originalModel, options) {
-    return function(model, resp) {
-      resp = model === originalModel ? resp : model;
-      if (onError) {
-        onError(originalModel, resp, options);
-      } else {
-        originalModel.trigger('error', originalModel, resp, options);
-      }
-    };
-  };
-
-  // Helpers
-  // -------
-
-  // Shared empty constructor function to aid in prototype-chain creation.
-  var ctor = function(){};
-
-  // Helper function to correctly set up the prototype chain, for subclasses.
-  // Similar to `goog.inherits`, but uses a hash of prototype properties and
-  // class properties to be extended.
-  var inherits = function(parent, protoProps, staticProps) {
-    var child;
-
-    // The constructor function for the new subclass is either defined by you
-    // (the "constructor" property in your `extend` definition), or defaulted
-    // by us to simply call the parent's constructor.
-    if (protoProps && protoProps.hasOwnProperty('constructor')) {
-      child = protoProps.constructor;
-    } else {
-      child = function(){ parent.apply(this, arguments); };
-    }
-
-    // Inherit class (static) properties from parent.
-    _.extend(child, parent);
-
-    // Set the prototype chain to inherit from `parent`, without calling
-    // `parent`'s constructor function.
-    ctor.prototype = parent.prototype;
-    child.prototype = new ctor();
-
-    // Add prototype properties (instance properties) to the subclass,
-    // if supplied.
-    if (protoProps) _.extend(child.prototype, protoProps);
-
-    // Add static properties to the constructor function, if supplied.
-    if (staticProps) _.extend(child, staticProps);
-
-    // Correctly set child's `prototype.constructor`.
-    child.prototype.constructor = child;
-
-    // Set a convenience property in case the parent's prototype is needed later.
-    child.__super__ = parent.prototype;
-
-    return child;
-  };
-
-  // Helper function to get a value from a Backbone object as a property
-  // or as a function.
-  var getValue = function(object, prop) {
-    if (!(object && object[prop])) return null;
-    return _.isFunction(object[prop]) ? object[prop]() : object[prop];
-  };
-
-  // Throw an error when a URL is needed, and none is supplied.
-  var urlError = function() {
-    throw new Error('A "url" property or function must be specified');
-  };
-
-}).call(this);
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i,r=-1,s=t.length,n=e[0],a=e[1],h=e[2];switch(e.length){case 0:while(++r<s)(i=t[r]).callback.call(i.ctx);return;case 1:while(++r<s)(i=t[r]).callback.call(i.ctx,n);return;case 2:while(++r<s)(i=t[r]).callback.call(i.ctx,n,a);return;case 3:while(++r<s)(i=t[r]).callback.call(i.ctx,n,a,h);return;default:while(++r<s)(i=t[r]).callback.apply(i.ctx,e)}};var f={listenTo:"on",listenToOnce:"once"};h.each(f,function(t,e){o[e]=function(e,i,r){var s=this._listeners||(this._listeners={});var n=e._listenerId||(e._listenerId=h.uniqueId("l"));s[n]=e;if(typeof i==="object")r=this;e[t](i,r,this);return this}});o.bind=o.on;o.unbind=o.off;h.extend(a,o);var d=a.Model=function(t,e){var i;var r=t||{};e||(e={});this.cid=h.uniqueId("c");this.attributes={};h.extend(this,h.pick(e,p));if(e.parse)r=this.parse(r,e)||{};if(i=h.result(this,"defaults")){r=h.defaults({},r,i)}this.set(r,e);this.changed={};this.initialize.apply(this,arguments)};var p=["url","urlRoot","collection"];h.extend(d.prototype,o,{changed:null,validationError:null,idAttribute:"id",initialize:function(){},toJSON:function(t){return h.clone(this.attributes)},sync:function(){return a.sync.apply(this,arguments)},get:function(t){return this.attributes[t]},escape:function(t){return h.escape(this.get(t))},has:function(t){return this.get(t)!=null},set:function(t,e,i){var r,s,n,a,o,u,l,c;if(t==null)return this;if(typeof t==="object"){s=t;i=e}else{(s={})[t]=e}i||(i={});if(!this._validate(s,i))return false;n=i.unset;o=i.silent;a=[];u=this._changing;this._changing=true;if(!u){this._previousAttributes=h.clone(this.attributes);this.changed={}}c=this.attributes,l=this._previousAttributes;if(this.idAttribute in s)this.id=s[this.idAttribute];for(r in s){e=s[r];if(!h.isEqual(c[r],e))a.push(r);if(!h.isEqual(l[r],e)){this.changed[r]=e}else{delete this.changed[r]}n?delete c[r]:c[r]=e}if(!o){if(a.length)this._pending=true;for(var f=0,d=a.length;f<d;f++){this.trigger("change:"+a[f],this,c[a[f]],i)}}if(u)return this;if(!o){while(this._pending){this._pending=false;this.trigger("change",this,i)}}this._pending=false;this._changing=false;return this},unset:function(t,e){return this.set(t,void 0,h.extend({},e,{unset:true}))},clear:function(t){var e={};for(var i in this.attributes)e[i]=void 0;return this.set(e,h.extend({},t,{unset:true}))},hasChanged:function(t){if(t==null)return!h.isEmpty(this.changed);return h.has(this.changed,t)},changedAttributes:function(t){if(!t)return this.hasChanged()?h.clone(this.changed):false;var e,i=false;var r=this._changing?this._previousAttributes:this.attributes;for(var s in t){if(h.isEqual(r[s],e=t[s]))continue;(i||(i={}))[s]=e}return i},previous:function(t){if(t==null||!this._previousAttributes)return null;return this._previousAttributes[t]},previousAttributes:function(){return h.clone(this._previousAttributes)},fetch:function(t){t=t?h.clone(t):{};if(t.parse===void 0)t.parse=true;var e=this;var i=t.success;t.success=function(r){if(!e.set(e.parse(r,t),t))return false;if(i)i(e,r,t);e.trigger("sync",e,r,t)};R(this,t);return this.sync("read",this,t)},save:function(t,e,i){var r,s,n,a=this.attributes;if(t==null||typeof t==="object"){r=t;i=e}else{(r={})[t]=e}if(r&&(!i||!i.wait)&&!this.set(r,i))return false;i=h.extend({validate:true},i);if(!this._validate(r,i))return false;if(r&&i.wait){this.attributes=h.extend({},a,r)}if(i.parse===void 0)i.parse=true;var o=this;var u=i.success;i.success=function(t){o.attributes=a;var e=o.parse(t,i);if(i.wait)e=h.extend(r||{},e);if(h.isObject(e)&&!o.set(e,i)){return false}if(u)u(o,t,i);o.trigger("sync",o,t,i)};R(this,i);s=this.isNew()?"create":i.patch?"patch":"update";if(s==="patch")i.attrs=r;n=this.sync(s,this,i);if(r&&i.wait)this.attributes=a;return n},destroy:function(t){t=t?h.clone(t):{};var e=this;var i=t.success;var r=function(){e.trigger("destroy",e,e.collection,t)};t.success=function(s){if(t.wait||e.isNew())r();if(i)i(e,s,t);if(!e.isNew())e.trigger("sync",e,s,t)};if(this.isNew()){t.success();return false}R(this,t);var s=this.sync("delete",this,t);if(!t.wait)r();return s},url:function(){var t=h.result(this,"urlRoot")||h.result(this.collection,"url")||U();if(this.isNew())return t;return t+(t.charAt(t.length-1)==="/"?"":"/")+encodeURIComponent(this.id)},parse:function(t,e){return t},clone:function(){return new this.constructor(this.attributes)},isNew:function(){return this.id==null},isValid:function(t){return this._validate({},h.extend(t||{},{validate:true}))},_validate:function(t,e){if(!e.validate||!this.validate)return true;t=h.extend({},this.attributes,t);var i=this.validationError=this.validate(t,e)||null;if(!i)return true;this.trigger("invalid",this,i,h.extend(e||{},{validationError:i}));return false}});var v=["keys","values","pairs","invert","pick","omit"];h.each(v,function(t){d.prototype[t]=function(){var e=s.call(arguments);e.unshift(this.attributes);return h[t].apply(h,e)}});var g=a.Collection=function(t,e){e||(e={});if(e.url)this.url=e.url;if(e.model)this.model=e.model;if(e.comparator!==void 0)this.comparator=e.comparator;this._reset();this.initialize.apply(this,arguments);if(t)this.reset(t,h.extend({silent:true},e))};var m={add:true,remove:true,merge:true};var y={add:true,merge:false,remove:false};h.extend(g.prototype,o,{model:d,initialize:function(){},toJSON:function(t){return this.map(function(e){return e.toJSON(t)})},sync:function(){return a.sync.apply(this,arguments)},add:function(t,e){return this.set(t,h.defaults(e||{},y))},remove:function(t,e){t=h.isArray(t)?t.slice():[t];e||(e={});var i,r,s,n;for(i=0,r=t.length;i<r;i++){n=this.get(t[i]);if(!n)continue;delete this._byId[n.id];delete this._byId[n.cid];s=this.indexOf(n);this.models.splice(s,1);this.length--;if(!e.silent){e.index=s;n.trigger("remove",n,this,e)}this._removeReference(n)}return this},set:function(t,e){e=h.defaults(e||{},m);if(e.parse)t=this.parse(t,e);if(!h.isArray(t))t=t?[t]:[];var i,s,a,o,u,l;var c=e.at;var f=this.comparator&&c==null&&e.sort!==false;var d=h.isString(this.comparator)?this.comparator:null;var p=[],v=[],g={};for(i=0,s=t.length;i<s;i++){if(!(a=this._prepareModel(t[i],e)))continue;if(u=this.get(a)){if(e.remove)g[u.cid]=true;if(e.merge){u.set(a.attributes,e);if(f&&!l&&u.hasChanged(d))l=true}}else if(e.add){p.push(a);a.on("all",this._onModelEvent,this);this._byId[a.cid]=a;if(a.id!=null)this._byId[a.id]=a}}if(e.remove){for(i=0,s=this.length;i<s;++i){if(!g[(a=this.models[i]).cid])v.push(a)}if(v.length)this.remove(v,e)}if(p.length){if(f)l=true;this.length+=p.length;if(c!=null){n.apply(this.models,[c,0].concat(p))}else{r.apply(this.models,p)}}if(l)this.sort({silent:true});if(e.silent)return this;for(i=0,s=p.length;i<s;i++){(a=p[i]).trigger("add",a,this,e)}if(l)this.trigger("sort",this,e);return this},reset:function(t,e){e||(e={});for(var i=0,r=this.models.length;i<r;i++){this._removeReference(this.models[i])}e.previousModels=this.models;this._reset();this.add(t,h.extend({silent:true},e));if(!e.silent)this.trigger("reset",this,e);return this},push:function(t,e){t=this._prepareModel(t,e);this.add(t,h.extend({at:this.length},e));return t},pop:function(t){var e=this.at(this.length-1);this.remove(e,t);return e},unshift:function(t,e){t=this._prepareModel(t,e);this.add(t,h.extend({at:0},e));return t},shift:function(t){var e=this.at(0);this.remove(e,t);return e},slice:function(t,e){return this.models.slice(t,e)},get:function(t){if(t==null)return void 0;return this._byId[t.id!=null?t.id:t.cid||t]},at:function(t){return this.models[t]},where:function(t,e){if(h.isEmpty(t))return e?void 0:[];return this[e?"find":"filter"](function(e){for(var i in t){if(t[i]!==e.get(i))return false}return true})},findWhere:function(t){return this.where(t,true)},sort:function(t){if(!this.comparator)throw new Error("Cannot sort a set without a comparator");t||(t={});if(h.isString(this.comparator)||this.comparator.length===1){this.models=this.sortBy(this.comparator,this)}else{this.models.sort(h.bind(this.comparator,this))}if(!t.silent)this.trigger("sort",this,t);return this},sortedIndex:function(t,e,i){e||(e=this.comparator);var r=h.isFunction(e)?e:function(t){return t.get(e)};return h.sortedIndex(this.models,t,r,i)},pluck:function(t){return h.invoke(this.models,"get",t)},fetch:function(t){t=t?h.clone(t):{};if(t.parse===void 0)t.parse=true;var e=t.success;var i=this;t.success=function(r){var s=t.reset?"reset":"set";i[s](r,t);if(e)e(i,r,t);i.trigger("sync",i,r,t)};R(this,t);return this.sync("read",this,t)},create:function(t,e){e=e?h.clone(e):{};if(!(t=this._prepareModel(t,e)))return false;if(!e.wait)this.add(t,e);var i=this;var r=e.success;e.success=function(s){if(e.wait)i.add(t,e);if(r)r(t,s,e)};t.save(null,e);return t},parse:function(t,e){return t},clone:function(){return new this.constructor(this.models)},_reset:function(){this.length=0;this.models=[];this._byId={}},_prepareModel:function(t,e){if(t instanceof d){if(!t.collection)t.collection=this;return t}e||(e={});e.collection=this;var i=new this.model(t,e);if(!i._validate(t,e)){this.trigger("invalid",this,t,e);return false}return i},_removeReference:function(t){if(this===t.collection)delete t.collection;t.off("all",this._onModelEvent,this)},_onModelEvent:function(t,e,i,r){if((t==="add"||t==="remove")&&i!==this)return;if(t==="destroy")this.remove(e,r);if(e&&t==="change:"+e.idAttribute){delete this._byId[e.previous(e.idAttribute)];if(e.id!=null)this._byId[e.id]=e}this.trigger.apply(this,arguments)}});var _=["forEach","each","map","collect","reduce","foldl","inject","reduceRight","foldr","find","detect","filter","select","reject","every","all","some","any","include","contains","invoke","max","min","toArray","size","first","head","take","initial","rest","tail","drop","last","without","indexOf","shuffle","lastIndexOf","isEmpty","chain"];h.each(_,function(t){g.prototype[t]=function(){var e=s.call(arguments);e.unshift(this.models);return h[t].apply(h,e)}});var w=["groupBy","countBy","sortBy"];h.each(w,function(t){g.prototype[t]=function(e,i){var r=h.isFunction(e)?e:function(t){return t.get(e)};return h[t](this.models,r,i)}});var b=a.View=function(t){this.cid=h.uniqueId("view");this._configure(t||{});this._ensureElement();this.initialize.apply(this,arguments);this.delegateEvents()};var x=/^(\S+)\s*(.*)$/;var E=["model","collection","el","id","attributes","className","tagName","events"];h.extend(b.prototype,o,{tagName:"div",$:function(t){return this.$el.find(t)},initialize:function(){},render:function(){return this},remove:function(){this.$el.remove();this.stopListening();return this},setElement:function(t,e){if(this.$el)this.undelegateEvents();this.$el=t instanceof a.$?t:a.$(t);this.el=this.$el[0];if(e!==false)this.delegateEvents();return this},delegateEvents:function(t){if(!(t||(t=h.result(this,"events"))))return this;this.undelegateEvents();for(var e in t){var i=t[e];if(!h.isFunction(i))i=this[t[e]];if(!i)continue;var r=e.match(x);var s=r[1],n=r[2];i=h.bind(i,this);s+=".delegateEvents"+this.cid;if(n===""){this.$el.on(s,i)}else{this.$el.on(s,n,i)}}return this},undelegateEvents:function(){this.$el.off(".delegateEvents"+this.cid);return this},_configure:function(t){if(this.options)t=h.extend({},h.result(this,"options"),t);h.extend(this,h.pick(t,E));this.options=t},_ensureElement:function(){if(!this.el){var t=h.extend({},h.result(this,"attributes"));if(this.id)t.id=h.result(this,"id");if(this.className)t["class"]=h.result(this,"className");var e=a.$("<"+h.result(this,"tagName")+">").attr(t);this.setElement(e,false)}else{this.setElement(h.result(this,"el"),false)}}});a.sync=function(t,e,i){var r=k[t];h.defaults(i||(i={}),{emulateHTTP:a.emulateHTTP,emulateJSON:a.emulateJSON});var s={type:r,dataType:"json"};if(!i.url){s.url=h.result(e,"url")||U()}if(i.data==null&&e&&(t==="create"||t==="update"||t==="patch")){s.contentType="application/json";s.data=JSON.stringify(i.attrs||e.toJSON(i))}if(i.emulateJSON){s.contentType="application/x-www-form-urlencoded";s.data=s.data?{model:s.data}:{}}if(i.emulateHTTP&&(r==="PUT"||r==="DELETE"||r==="PATCH")){s.type="POST";if(i.emulateJSON)s.data._method=r;var n=i.beforeSend;i.beforeSend=function(t){t.setRequestHeader("X-HTTP-Method-Override",r);if(n)return n.apply(this,arguments)}}if(s.type!=="GET"&&!i.emulateJSON){s.processData=false}if(s.type==="PATCH"&&window.ActiveXObject&&!(window.external&&window.external.msActiveXFilteringEnabled)){s.xhr=function(){return new ActiveXObject("Microsoft.XMLHTTP")}}var o=i.xhr=a.ajax(h.extend(s,i));e.trigger("request",e,o,i);return o};var k={create:"POST",update:"PUT",patch:"PATCH","delete":"DELETE",read:"GET"};a.ajax=function(){return a.$.ajax.apply(a.$,arguments)};var S=a.Router=function(t){t||(t={});if(t.routes)this.routes=t.routes;this._bindRoutes();this.initialize.apply(this,arguments)};var $=/\((.*?)\)/g;var T=/(\(\?)?:\w+/g;var H=/\*\w+/g;var A=/[\-{}\[\]+?.,\\\^$|#\s]/g;h.extend(S.prototype,o,{initialize:function(){},route:function(t,e,i){if(!h.isRegExp(t))t=this._routeToRegExp(t);if(h.isFunction(e)){i=e;e=""}if(!i)i=this[e];var r=this;a.history.route(t,function(s){var n=r._extractParameters(t,s);i&&i.apply(r,n);r.trigger.apply(r,["route:"+e].concat(n));r.trigger("route",e,n);a.history.trigger("route",r,e,n)});return this},navigate:function(t,e){a.history.navigate(t,e);return this},_bindRoutes:function(){if(!this.routes)return;this.routes=h.result(this,"routes");var t,e=h.keys(this.routes);while((t=e.pop())!=null){this.route(t,this.routes[t])}},_routeToRegExp:function(t){t=t.replace(A,"\\$&").replace($,"(?:$1)?").replace(T,function(t,e){return e?t:"([^/]+)"}).replace(H,"(.*?)");return new RegExp("^"+t+"$")},_extractParameters:function(t,e){var i=t.exec(e).slice(1);return h.map(i,function(t){return t?decodeURIComponent(t):null})}});var I=a.History=function(){this.handlers=[];h.bindAll(this,"checkUrl");if(typeof window!=="undefined"){this.location=window.location;this.history=window.history}};var N=/^[#\/]|\s+$/g;var P=/^\/+|\/+$/g;var O=/msie [\w.]+/;var C=/\/$/;I.started=false;h.extend(I.prototype,o,{interval:50,getHash:function(t){var e=(t||this).location.href.match(/#(.*)$/);return e?e[1]:""},getFragment:function(t,e){if(t==null){if(this._hasPushState||!this._wantsHashChange||e){t=this.location.pathname;var i=this.root.replace(C,"");if(!t.indexOf(i))t=t.substr(i.length)}else{t=this.getHash()}}return t.replace(N,"")},start:function(t){if(I.started)throw new Error("Backbone.history has already been started");I.started=true;this.options=h.extend({},{root:"/"},this.options,t);this.root=this.options.root;this._wantsHashChange=this.options.hashChange!==false;this._wantsPushState=!!this.options.pushState;this._hasPushState=!!(this.options.pushState&&this.history&&this.history.pushState);var e=this.getFragment();var i=document.documentMode;var r=O.exec(navigator.userAgent.toLowerCase())&&(!i||i<=7);this.root=("/"+this.root+"/").replace(P,"/");if(r&&this._wantsHashChange){this.iframe=a.$('<iframe src="javascript:0" tabindex="-1" />').hide().appendTo("body")[0].contentWindow;this.navigate(e)}if(this._hasPushState){a.$(window).on("popstate",this.checkUrl)}else if(this._wantsHashChange&&"onhashchange"in window&&!r){a.$(window).on("hashchange",this.checkUrl)}else if(this._wantsHashChange){this._checkUrlInterval=setInterval(this.checkUrl,this.interval)}this.fragment=e;var s=this.location;var n=s.pathname.replace(/[^\/]$/,"$&/")===this.root;if(this._wantsHashChange&&this._wantsPushState&&!this._hasPushState&&!n){this.fragment=this.getFragment(null,true);this.location.replace(this.root+this.location.search+"#"+this.fragment);return true}else if(this._wantsPushState&&this._hasPushState&&n&&s.hash){this.fragment=this.getHash().replace(N,"");this.history.replaceState({},document.title,this.root+this.fragment+s.search)}if(!this.options.silent)return this.loadUrl()},stop:function(){a.$(window).off("popstate",this.checkUrl).off("hashchange",this.checkUrl);clearInterval(this._checkUrlInterval);I.started=false},route:function(t,e){this.handlers.unshift({route:t,callback:e})},checkUrl:function(t){var e=this.getFragment();if(e===this.fragment&&this.iframe){e=this.getFragment(this.getHash(this.iframe))}if(e===this.fragment)return false;if(this.iframe)this.navigate(e);this.loadUrl()||this.loadUrl(this.getHash())},loadUrl:function(t){var e=this.fragment=this.getFragment(t);var i=h.any(this.handlers,function(t){if(t.route.test(e)){t.callback(e);return true}});return i},navigate:function(t,e){if(!I.started)return false;if(!e||e===true)e={trigger:e};t=this.getFragment(t||"");if(this.fragment===t)return;this.fragment=t;var i=this.root+t;if(this._hasPushState){this.history[e.replace?"replaceState":"pushState"]({},document.title,i)}else if(this._wantsHashChange){this._updateHash(this.location,t,e.replace);if(this.iframe&&t!==this.getFragment(this.getHash(this.iframe))){if(!e.replace)this.iframe.document.open().close();this._updateHash(this.iframe.location,t,e.replace)}}else{return this.location.assign(i)}if(e.trigger)this.loadUrl(t)},_updateHash:function(t,e,i){if(i){var r=t.href.replace(/(javascript:|#).*$/,"");t.replace(r+"#"+e)}else{t.hash="#"+e}}});a.history=new I;var j=function(t,e){var i=this;var r;if(t&&h.has(t,"constructor")){r=t.constructor}else{r=function(){return i.apply(this,arguments)}}h.extend(r,i,e);var s=function(){this.constructor=r};s.prototype=i.prototype;r.prototype=new s;if(t)h.extend(r.prototype,t);r.__super__=i.prototype;return r};d.extend=g.extend=S.extend=b.extend=I.extend=j;var U=function(){throw new Error('A "url" property or function must be specified')};var R=function(t,e){var i=e.error;e.error=function(r){if(i)i(t,r,e);t.trigger("error",t,r,e)}}}).call(this);
+/*
+//@ sourceMappingURL=backbone-min.map
+*/
\ No newline at end of file
diff -r c472984db275 -r 1615c7e4ef9d src/js/libs/jquery.min.js
--- a/src/js/libs/jquery.min.js	Wed Apr 03 15:44:17 2013 +0200
+++ b/src/js/libs/jquery.min.js	Tue Apr 23 15:23:20 2013 +0200
@@ -1,5 +1,6 @@
-/*! jQuery v1.9.1 | (c) 2005, 2012 jQuery Foundation, Inc. | jquery.org/license
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diff -r c472984db275 -r 1615c7e4ef9d src/js/libs/renkan-publish.js
--- a/src/js/libs/renkan-publish.js	Wed Apr 03 15:44:17 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1079 +0,0 @@
-/* 
- *  Copyright 2012 Institut de recherche et d'innovation 
- *  contributor(s) : Yves-Marie Haussonne, Raphael Velt, Samuel Huron
- *   
- *  contact@iri.centrepompidou.fr
- *  http://www.iri.centrepompidou.fr 
- *   
- *  This software is a computer program whose purpose is to show and add annotations on a video .
- *  This software is governed by the CeCILL-C license under French law and
- *  abiding by the rules of distribution of free software. You can  use, 
- *  modify and/ or redistribute the software under the terms of the CeCILL-C
- *  license as circulated by CEA, CNRS and INRIA at the following URL
- *  "http://www.cecill.info". 
- *  
- *  The fact that you are presently reading this means that you have had
- *  knowledge of the CeCILL-C license and that you accept its terms.
-*/
-
-if (typeof Rkns !== "object") {
-    Rkns = {}
-}
-
-Rkns.$ = jQuery;
-
-Rkns._ = _;
-
-Rkns.i18n = {
-    en: {
-        zoom_in: "Zoom In",
-        zoom_out: "Zoom Out",
-        see_in_project: 'See also <b>"{node}"</b> in <b>"{project}"</b>'
-    }
-}
-
-Rkns.Utils = {
-    inherit : function(_baseClass) {
-        var _class = function() {
-            _baseClass.apply(this, Array.prototype.slice.call(arguments, 0));
-            if (typeof this._init == "function") {
-                this._init.apply(this, Array.prototype.slice.call(arguments, 0));
-            }
-        }
-        _class.prototype = new _baseClass();
-        return _class;
-    }
-}
-
-Rkns.Models = {};
-
-Rkns.Models.getUID = function(obj) {
-    var guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
-        var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
-        return v.toString(16);
-    });
-    return obj.type + "-" + guid; 
-};
-
-Rkns.Models.RenkanModel = Backbone.RelationalModel.extend({
-    idAttribute : "_id",
-    constructor: function(options) {
-
-        if (typeof options !== "undefined") {
-            options._id = options._id || options.id || Rkns.Models.getUID(this);
-            options.title = options.title || "(untitled " + this.type + ")";
-            options.description = options.description || "";
-            options.uri = options.uri || "";
-
-            if(typeof this.prepare === "function") {
-                options = this.prepare(options);
-            }
-        }
-        Backbone.RelationalModel.prototype.constructor.call(this, options);
-    },
-    validate: function() {
-        if(!this.type) {
-            return "object has no type";
-        }
-    },
-    addReference : function(_options, _propName, _list, _id, _default) {
-        var _element = _list.get(_id);
-        if (typeof _element === "undefined" && typeof _default !== "undefined") {
-            _options[_propName ] = _default;
-        }
-        else {
-            _options[_propName ] = _element;
-        }
-    }
-});
-    
-// USER
-Rkns.Models.User = Rkns.Models.RenkanModel.extend({
-    type: "user",
-    prepare: function(options) {
-        options.color = options.color || "#666666";
-        return options;
-    },
-    toJSON: function() {
-        return {
-            id: this.get("_id"),
-            title: this.get("title"),
-            uri: this.get("uri"),
-            description: this.get("description"),
-            color: this.get("color"),
-        }
-    },
-});
-
-// NODE
-Rkns.Models.Node = Rkns.Models.RenkanModel.extend({
-    type: "node",
-    relations: [{
-        type: Backbone.HasOne,
-        key: "created_by",
-        relatedModel: Rkns.Models.User
-    }],
-    prepare: function(options) {
-        project = options.project;
-        this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user);
-        options.description = options.description || "";
-        return options;
-    },
-    toJSON: function() {
-        return {
-            id: this.get("_id"),
-            title: this.get("title"),
-            uri: this.get("uri"),
-            description: this.get("description"),
-            position: this.get("position"),
-            image: this.get("image"),
-            created_by: this.get("created_by").get("_id")
-        }
-    },
-});
-
-// EDGE
-Rkns.Models.Edge = Rkns.Models.RenkanModel.extend({
-    type: "edge",
-    relations: [
-      {
-        type: Backbone.HasOne,
-        key: "created_by",
-        relatedModel: Rkns.Models.User
-      },
-      {
-        type: Backbone.HasOne,
-        key: "from",
-        relatedModel: Rkns.Models.Node
-      },
-      {
-        type: Backbone.HasOne,
-        key: "to",
-        relatedModel: Rkns.Models.Node
-      },
-    ],
-    prepare: function(options) {
-        project = options.project;
-        this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user);
-        this.addReference(options, "from", project.get("nodes"), options.from);
-        this.addReference(options, "to", project.get("nodes"), options.to);
-        return options;
-    },
-    toJSON: function() {
-        return {
-            id: this.get("_id"),
-            title: this.get("title"),
-            uri: this.get("uri"),
-            description: this.get("description"),
-            from: this.get("from").get("_id"),
-            to: this.get("to").get("_id"),
-            created_by: this.get("created_by").get("_id"),
-        }
-    },
-});
-    
-// PROJECT
-Rkns.Models.Project = Rkns.Models.RenkanModel.extend({
-    type: "project",
-    relations: [
-      {
-        type: Backbone.HasMany,
-        key: "users",
-        relatedModel: Rkns.Models.User,
-        reverseRelation: {
-            key: 'project',
-            includeInJSON: '_id'
-        },
-      },
-      {
-        type: Backbone.HasMany,
-        key: "nodes",
-        relatedModel: Rkns.Models.Node,
-        reverseRelation: {
-            key: 'project',
-            includeInJSON: '_id'
-        },
-      },
-      {
-        type: Backbone.HasMany,
-        key: "edges",
-        relatedModel: Rkns.Models.Edge,
-        reverseRelation: {
-            key: 'project',
-            includeInJSON: '_id'
-        },
-      }
-    ],
-    addUser: function(_props) {
-        _props.project = this;
-        var _user = new Rkns.Models.User(_props);
-        this.get("users").push(_user);
-        return _user;
-    },
-    addNode: function(_props) {
-        _props.project = this;
-        var _node = new Rkns.Models.Node(_props);
-        this.get("nodes").push(_node);
-        return _node;
-    },
-    addEdge: function(_props) {
-        _props.project = this;
-        var _edge = new Rkns.Models.Edge(_props);
-        this.get("edges").push(_edge);
-        return _edge;
-    },
-    removeNode: function(_model) {
-        this.get("nodes").remove(_model);
-    },
-    removeEdge: function(_model) {
-        this.get("edges").remove(_model);
-    },
-    validate: function(options) {
-        var _project = this;
-        Rkns._(options.users).each(function(_item) {
-            _item.project = _project;
-        });
-        Rkns._(options.nodes).each(function(_item) {
-            _item.project = _project;
-        });
-        Rkns._(options.edges).each(function(_item) {
-            _item.project = _project;
-        });
-    },
-    // Add event handler to remove edges when a node is removed
-    initialize: function() {
-        var _this = this;
-        this.on("remove:nodes", function(_node) {
-            _this.get("edges").remove(
-                _this.get("edges").filter(function(_edge) {
-                    return _edge.get("from") == _node || _edge.get("to") == _node;
-                })
-            );
-        });
-    }
-});
-
-/* Point of entry */
-
-Rkns.Renkan = function(_opts) {
-    if (typeof _opts.language !== "string" || typeof Rkns.i18n[_opts.language] == "undefined") {
-        _opts.language = "en";
-    }
-    if (typeof _opts.container !== "string") {
-        _opts.container = "renkan";
-    }
-    if (typeof _opts.search !== "object" || !_opts.search) {
-        _opts.search = [];
-    }
-    this.projects = [];
-    this.l10n = Rkns.i18n[_opts.language];
-    this.$ = Rkns.$("#" + _opts.container);
-    this.$.html(this.template());
-    this.uris = {};
-    this.active_project = null;
-    this.renderer = null;
-}
-
-Rkns.Renkan.prototype.template = Rkns._.template(
-    '<div class="Rk-Render"></div><ul class="Rk-Project-List"></ul>'
-);
-
-Rkns.Renkan.prototype.addProject = function(_opts) {
-    var _proj = new Rkns.Models.Project(),
-        _li = Rkns.$("<li>").addClass("Rk-Project").text("Untitled #" + (1+this.projects.length));
-    this.$.find(".Rk-Project-List").append(_li);
-    Rkns.loadJson(_proj, _opts);
-    var _this = this;
-    _li.click(function() {
-        _this.renderProject(_proj);
-    });
-    _proj.on("change:title", function() {
-        _li.html(_proj.get("title"));
-    });
-    _proj.on("select", function() {
-        _this.$.find(".Rk-Project").removeClass("active");
-        _li.addClass("active");
-    });
-    _proj.on("add:nodes", function(_node) {
-        var _uri = _node.get("uri");
-        if (_uri) {
-            if (typeof _this.uris[_uri] === "undefined") {
-                _this.uris[_uri] = [];
-            }
-            _this.uris[_uri].push(_node);
-        }
-    });
-    this.projects.push(_proj);
-    return _proj;
-}
-
-Rkns.Renkan.prototype.renderProject = function(_project) {
-    if (_project) {
-        if (this.renderer) {
-            this.renderer.destroy();
-        }
-        this.active_project = _project;
-        this.renderer = new Rkns.Renderer.Scene(this, _project);
-        this.renderer.autoScale();
-        _project.trigger("select");
-    }
-}
-
-Rkns.Renkan.prototype.renderProjectAt = function(_index) {
-    this.renderProject(this.projects[_index]);
-}
-
-Rkns.loadJson = function(_proj, _opts) {
-    if (typeof _opts.http_method == "undefined") {
-        _opts.http_method = 'PUT';
-    }
-    var _load = function() {
-        Rkns.$.getJSON(_opts.url, function(_data) {
-            _proj.set(_data);
-            if (typeof _opts.callback === "function") {
-                _opts.callback(_proj);
-            }
-        });
-    }
-    _load();
-}
-
-Rkns.Renderer = {
-    _MARGIN_X: 80,
-    _MARGIN_Y: 50,
-    _MIN_DRAG_DISTANCE: 2,
-    _NODE_RADIUS: 20,
-    _NODE_FONT_SIZE: 10,
-    _EDGE_FONT_SIZE: 9,
-    _NODE_MAX_CHAR: 30,
-    _EDGE_MAX_CHAR: 20,
-    _ARROW_LENGTH: 16,
-    _ARROW_WIDTH: 8,
-    _TOOLTIP_ARROW_LENGTH : 15,
-    _TOOLTIP_ARROW_WIDTH : 26,
-    _TOOLTIP_MARGIN : 10,
-    _TOOLTIP_PADDING : 8,
-    _TOOLTIP_GRADIENT : new paper.Gradient(['#f0f0f0', '#d0d0d0'])
-}
-
-Rkns.Renderer.Utils = {
-    shortenText : function(_text,_length) {
-        var _rgxp = new RegExp('^(.{' + _length + '}).+$');
-        return _text.replace(/(\n|\r|\r\n)/mg,' ').replace(_rgxp,'$1…');
-    },
-    drawTooltip : function(_coords, _path, _width, _xmargin, _selector) {
-        _selector.css({
-            width: (_width - 2* Rkns.Renderer._TOOLTIP_PADDING),
-        });
-        var _height = _selector.outerHeight() + 2* Rkns.Renderer._TOOLTIP_PADDING,
-            _isLeft = (_coords.x < paper.view.center.x ? 1 : -1),
-            _left = _coords.x + _isLeft * ( _xmargin + Rkns.Renderer._TOOLTIP_ARROW_LENGTH ),
-            _right = _coords.x + _isLeft * ( _xmargin + Rkns.Renderer._TOOLTIP_ARROW_LENGTH + _width ),
-            _top = _coords.y - _height / 2;
-        if (_top < Rkns.Renderer._TOOLTIP_MARGIN) {
-            _top = Math.min( Rkns.Renderer._TOOLTIP_MARGIN, _coords.y - Rkns.Renderer._TOOLTIP_ARROW_WIDTH / 2 );
-        }
-        var _bottom = _top + _height;
-        if (_bottom > (paper.view.size.height - Rkns.Renderer._TOOLTIP_MARGIN)) {
-            _bottom = Math.max( paper.view.size.height - Rkns.Renderer._TOOLTIP_MARGIN, _coords.y + Rkns.Renderer._TOOLTIP_ARROW_WIDTH / 2 );
-            _top = _bottom - _height;
-        }
-        _path.segments[0].point
-            = _path.segments[7].point
-            = _coords.add([_isLeft * _xmargin, 0]);
-        _path.segments[1].point.x
-            = _path.segments[2].point.x
-            = _path.segments[5].point.x
-            = _path.segments[6].point.x
-            = _left;
-        _path.segments[3].point.x
-            = _path.segments[4].point.x
-            = _right;
-        _path.segments[2].point.y
-            = _path.segments[3].point.y
-            = _top;
-        _path.segments[4].point.y
-            = _path.segments[5].point.y
-            = _bottom;
-        _path.segments[1].point.y = _coords.y - Rkns.Renderer._TOOLTIP_ARROW_WIDTH / 2;
-        _path.segments[6].point.y = _coords.y + Rkns.Renderer._TOOLTIP_ARROW_WIDTH / 2;
-        _path.closed = true;
-        _path.fillColor = new paper.GradientColor(Rkns.Renderer._TOOLTIP_GRADIENT, [0,_top], [0, _bottom]);
-        _selector.css({
-            left: (Rkns.Renderer._TOOLTIP_PADDING + Math.min(_left, _right)),
-            top: (Rkns.Renderer._TOOLTIP_PADDING + _top)
-        });
-    }
-}
-
-Rkns.Renderer._BaseRepresentation = function(_renderer, _model) {
-    if (typeof _renderer !== "undefined") {
-        this.renderer = _renderer;
-        this.project = _renderer.project;
-        this.model = _model;
-        if (this.model) {
-            var _this = this;
-            this._selectBinding = function() {
-                _this.select();
-            };
-            this._unselectBinding = function() {
-                _this.unselect();
-            }
-            this._changeBinding = function() {
-                _this.redraw();
-            }
-            this._removeBinding = function() {
-                _renderer.removeRepresentation(_this);
-                _renderer.redraw();
-            }
-            this.model.on("change", this._changeBinding );
-            this.model.on("remove", this._removeBinding );
-            this.model.on("select", this._selectBinding );
-            this.model.on("unselect", this._unselectBinding );
-        }
-    }
-}
-
-Rkns.Renderer._BaseRepresentation.prototype.super = function(_func) {
-    Rkns.Renderer._BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
-}
-
-Rkns.Renderer._BaseRepresentation.prototype.select = function() {}
-
-Rkns.Renderer._BaseRepresentation.prototype.unselect = function() {}
-
-Rkns.Renderer._BaseRepresentation.prototype.mouseup = function() {}
-
-Rkns.Renderer._BaseRepresentation.prototype.destroy = function() {
-    if (this.model) {
-        this.model.off("change", this._changeBinding );
-        this.model.off("remove", this._removeBinding );
-        this.model.off("select", this._selectBinding);
-        this.model.off("unselect", this._unselectBinding);
-    }
-}
-
-Rkns.Renderer.Node = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
-
-Rkns.Renderer.Node.prototype._init = function() {
-    this.renderer.node_layer.activate();
-    this.type = "Node";
-    this.circle = new paper.Path.Circle([0, 0], Rkns.Renderer._NODE_RADIUS);
-    this.circle.fillColor = '#ffffff';
-    this.circle.__representation = this;
-    this.title = new paper.PointText([0,0]);
-    this.title.characterStyle = {
-        fontSize: Rkns.Renderer._NODE_FONT_SIZE,
-        fillColor: 'black'
-    };
-    this.title.paragraphStyle.justification = 'center';
-    this.title.__representation = this;
-    this.model_coords = new paper.Point(this.model.get("position"));
-}
-
-Rkns.Renderer.Node.prototype.redraw = function() {
-    this.paper_coords = this.renderer.toPaperCoords(this.model_coords);
-    this.circle.position = this.paper_coords;
-    this.title.content = Rkns.Renderer.Utils.shortenText(this.model.get("title"), Rkns.Renderer._NODE_MAX_CHAR);
-    this.title.position = this.paper_coords.add([0, 2 * Rkns.Renderer._NODE_RADIUS]);
-    this.circle.strokeColor = this.model.get("created_by").get("color");
-    var _img = this.model.get("image");
-    if (_img && _img !== this.img) {
-        var _image = new Image(),
-            _this = this;
-        _image.onload = function() {
-            if (_this.node_image) {
-                _this.node_image.remove();
-            }
-            _this.renderer.node_layer.activate();
-            var _ratio = Math.min(1, 2 * Rkns.Renderer._NODE_RADIUS / _image.width, 2 * Rkns.Renderer._NODE_RADIUS / _image.height );
-            var _raster = new paper.Raster(_image);
-            var _clip = new paper.Path.Circle([0, 0], Rkns.Renderer._NODE_RADIUS);
-            _raster.scale(_ratio);
-            _this.node_image = new paper.Group(_clip, _raster);
-            _this.node_image.opacity = _this.selected ? .5 : .9;
-            /* This is a workaround to allow clipping at group level */
-            _this.node_image.clipped = true;
-            _this.node_image.position = _this.paper_coords;
-            _this.node_image.__representation = _this;
-            paper.view.draw();
-        }
-        _image.src = _img;
-    }
-    this.img = _img;
-    if (this.node_image) {
-        if (!this.img) {
-            this.node_image.remove();
-            delete this.node_image;
-        } else {
-            this.node_image.position = this.paper_coords;
-        }
-    }
-}
-
-Rkns.Renderer.Node.prototype.paperShift = function(_delta) {
-    this.paper_coords = this.paper_coords.add(_delta);
-    this.model_coords = this.renderer.toModelCoords(this.paper_coords);
-    this.renderer.redraw();
-}
-
-Rkns.Renderer.Node.prototype.openTooltip = function() {
-    this.renderer.removeRepresentationsOfType("tooltip");
-    var _tooltip = this.renderer.addRepresentation("NodeTooltip",null);
-    _tooltip.node_representation = this;
-    _tooltip.draw();
-}
-
-Rkns.Renderer.Node.prototype.select = function() {
-    this.selected = true;
-    this.circle.strokeWidth = 3;
-    this.openTooltip();
-    this.circle.fillColor = "#ffff80";
-    if (this.node_image) {
-        this.node_image.opacity = .5;
-    }
-    paper.view.draw();
-}
-
-Rkns.Renderer.Node.prototype.unselect = function() {
-    this.selected = false;
-    this.circle.strokeWidth = 1;
-    this.circle.fillColor = "#ffffff";
-    if (this.node_image) {
-        this.node_image.opacity = .9;
-    }
-    paper.view.draw();
-}
-
-Rkns.Renderer.Node.prototype.mouseup = function(_event) {
-}
-
-Rkns.Renderer.Node.prototype.destroy = function(_event) {
-    this.super("destroy");
-    this.circle.remove();
-    this.title.remove();
-    if (this.node_image) {
-        this.node_image.remove();
-    }
-}
-
-/* */
-
-Rkns.Renderer.Edge = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
-
-Rkns.Renderer.Edge.prototype._init = function() {
-    this.renderer.edge_layer.activate();
-    this.type = "Edge";
-    this.from_representation = this.renderer.getRepresentationByModel(this.model.get("from"));
-    this.to_representation = this.renderer.getRepresentationByModel(this.model.get("to"));
-    this.bundle = this.renderer.addToBundles(this);
-    this.line = new paper.Path();
-    this.line.add([0,0],[0,0],[0,0]);
-    this.line.__representation = this;
-    this.arrow = new paper.Path();
-    this.arrow.add([0,0],[Rkns.Renderer._ARROW_LENGTH,Rkns.Renderer._ARROW_WIDTH / 2],[0,Rkns.Renderer._ARROW_WIDTH]);
-    this.arrow.__representation = this;
-    this.text = new paper.PointText();
-    this.text.characterStyle = {
-        fontSize: Rkns.Renderer._EDGE_FONT_SIZE,
-        fillColor: 'black'
-    };
-    this.text.paragraphStyle.justification = 'center';
-    this.text.__representation = this;
-    this.text_angle = 0;
-    this.arrow_angle = 0;
-}
-
-Rkns.Renderer.Edge.prototype.redraw = function() {
-    var _p0a = this.from_representation.paper_coords,
-        _p1a = this.to_representation.paper_coords,
-        _v = _p1a.subtract(_p0a),
-        _r = _v.length,
-        _u = _v.divide(_r),
-        _group_pos = this.bundle.getPosition(this),
-        _delta = new paper.Point([- _u.y, _u.x]).multiply( 12 * _group_pos ),
-        _p0b = _p0a.add(_delta), /* Adding a 4 px difference */
-        _p1b = _p1a.add(_delta), /* to differentiate inbound and outbound links */
-        _a = _v.angle,
-        _handle = _v.divide(3),
-        _color = this.model.get("created_by").get("color");
-    this.paper_coords = _p0b.add(_p1b).divide(2);
-    this.line.strokeColor = _color;
-    this.line.segments[0].point = _p0a;
-    this.line.segments[1].point = this.paper_coords;
-    this.line.segments[1].handleIn = _handle.multiply(-1);
-    this.line.segments[1].handleOut = _handle;
-    this.line.segments[2].point = _p1a;
-    this.arrow.rotate(_a - this.arrow_angle);
-    this.arrow.fillColor = _color;
-    this.arrow.position = this.paper_coords.subtract(_u.multiply(4));
-    this.arrow_angle = _a;
-    if (_a > 90) {
-        _a -= 180;
-    }
-    if (_a < -90) {
-        _a += 180;
-    }
-    this.text.rotate(_a - this.text_angle);
-    this.text.content = Rkns.Renderer.Utils.shortenText(this.model.get("title"), Rkns.Renderer._EDGE_MAX_CHAR);
-    this.text.position = this.paper_coords;
-    this.text_angle = _a;
-}
-
-Rkns.Renderer.Edge.prototype.openTooltip = function() {
-    this.renderer.removeRepresentationsOfType("tooltip");
-    var _tooltip = this.renderer.addRepresentation("EdgeTooltip",null);
-    _tooltip.edge_representation = this;
-    _tooltip.draw();
-}
-
-Rkns.Renderer.Edge.prototype.select = function() {
-    this.line.strokeWidth = 3;
-    this.openTooltip();
-    paper.view.draw();
-}
-
-Rkns.Renderer.Edge.prototype.unselect = function() {
-    this.line.strokeWidth = 1;
-    paper.view.draw();
-}
-
-Rkns.Renderer.Edge.prototype.mouseup = function(_event) {
-}
-
-Rkns.Renderer.Edge.prototype.paperShift = function(_delta) {
-    this.from_representation.paperShift(_delta);
-    this.to_representation.paperShift(_delta);
-    this.renderer.redraw();
-}
-
-Rkns.Renderer.Edge.prototype.destroy = function() {
-    this.super("destroy");
-    this.line.remove();
-    this.arrow.remove();
-    this.text.remove();
-    var _this = this;
-    this.bundle.edges = Rkns._(this.bundle.edges).reject(function(_edge) {
-        return _edge === _this;
-    });
-}
-
-/* */
-
-Rkns.Renderer.NodeTooltip = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
-
-Rkns.Renderer.NodeTooltip.prototype._init = function() {
-    this.renderer.overlay_layer.activate();
-    this.type = "tooltip";
-    this.tooltip_block = new paper.Path();
-    var _pts = Rkns._(Rkns._.range(8)).map(function() {return [0,0]});
-    this.tooltip_block.add.apply(this.tooltip_block, _pts);
-    this.tooltip_block.strokeWidth = 2;
-    this.tooltip_block.strokeColor = "#999999";
-    this.tooltip_block.fillColor = "#e0e0e0";
-    this.tooltip_block.opacity = .8;
-    this.tooltip_$ = Rkns.$('<div>')
-        .appendTo(this.renderer.tooltip_$)
-        .css({
-            position: "absolute",
-            opacity: .8
-        })
-        .hide();
-}
-
-Rkns.Renderer.NodeTooltip.prototype.template = Rkns._.template(
-    '<h2><span class="Rk-CloseX">&times;</span><%=a%></h2>'
-    + '<p><%-description%></p>'
-    + '<ul class="Rk-Related-List"></ul>'
-);
-
-Rkns.Renderer.NodeTooltip.prototype.draw = function() {
-    var _model = this.node_representation.model,
-        _title = _model.get("title"),
-        _uri = _model.get("uri");
-    this.tooltip_$
-        .html(this.template({
-            a: (_uri ? '<a href="' + _uri + '" target="_blank">' : '' ) + _title + (_uri ? '</a>' : '' ),
-            description: _model.get("description").replace(/(\n|\r|\r\n)/mg,' ').substr(0,180).replace(/(^.{150,179})[\s].+$/m,'$1&hellip;')
-        }))
-    var _this = this,
-        _renkan = this.renderer.renkan,
-        _uris = _renkan.uris[_uri];
-    Rkns._(_uris).each(function(_othernode) {
-        if (_othernode !== _model && _othernode.get("project") !== _this.project) {
-            var _otherproj = _othernode.get("project"),
-                _nodetitle = _othernode.get("title") || "Untitled node"
-                _projtitle = _otherproj.get("title") || "Untitled node",
-                _html = _renkan.l10n.see_in_project.replace('{node}',Rkns._.escape(_nodetitle)).replace('{project}',Rkns._.escape(_projtitle)),
-                _li = Rkns.$("<li>").addClass("Rk-Related").html(_html);
-            _li.click(function() {
-                _renkan.renderProject(_otherproj);
-                Rkns._.defer(function() {
-                    _othernode.trigger("select");
-                });
-            });
-            _this.tooltip_$.append(_li);
-        }
-    });
-    this.tooltip_$.find(".Rk-CloseX").click(function() {
-        _this.renderer.removeRepresentation(_this);
-        paper.view.draw();
-    });
-    this.redraw();
-}
-
-Rkns.Renderer.NodeTooltip.prototype.redraw = function() {
-    var _coords = this.node_representation.paper_coords;
-    Rkns.Renderer.Utils.drawTooltip(_coords, this.tooltip_block, 250, 15, this.tooltip_$);
-    this.tooltip_$.show();
-}
-
-Rkns.Renderer.NodeTooltip.prototype.destroy = function() {
-    this.tooltip_block.remove();
-    this.tooltip_$.detach();
-}
-
-/* */
-
-Rkns.Renderer.EdgeTooltip = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
-
-Rkns.Renderer.EdgeTooltip.prototype._init = function() {
-    this.renderer.overlay_layer.activate();
-    this.type = "tooltip";
-    this.tooltip_block = new paper.Path();
-    var _pts = Rkns._(Rkns._.range(8)).map(function() {return [0,0]});
-    this.tooltip_block.add.apply(this.tooltip_block, _pts);
-    this.tooltip_block.strokeWidth = 2;
-    this.tooltip_block.strokeColor = "#999999";
-    this.tooltip_block.fillColor = "#e0e0e0";
-    this.tooltip_block.opacity = .8;
-    this.tooltip_$ = Rkns.$('<div>')
-        .appendTo(this.renderer.tooltip_$)
-        .css({
-            position: "absolute",
-            opacity: .8
-        })
-        .hide();
-}
-
-Rkns.Renderer.EdgeTooltip.prototype.template = Rkns._.template(
-    '<h2><span class="Rk-CloseX">&times;</span><%=a%></h2>'
-    + '<p><%-description%></p>'
-);
-
-Rkns.Renderer.EdgeTooltip.prototype.draw = function() {
-    var _model = this.edge_representation.model,
-        _title = _model.get("title"),
-        _uri = _model.get("uri");
-    this.tooltip_$
-        .html(this.template({
-            a: (_uri ? '<a href="' + _uri + '" target="_blank">' : '' ) + _title + (_uri ? '</a>' : '' ),
-            description: _model.get("description").replace(/(\n|\r|\r\n)/mg,' ').substr(0,180).replace(/(^.{150,179})[\s].+$/m,'$1&hellip;')
-        }));
-    this.redraw();
-    var _this = this;
-    this.tooltip_$.find(".Rk-CloseX").click(function() {
-        _this.renderer.removeRepresentation(_this);
-        paper.view.draw();
-    });
-}
-
-Rkns.Renderer.EdgeTooltip.prototype.redraw = function() {
-    var _coords = this.edge_representation.paper_coords;
-    Rkns.Renderer.Utils.drawTooltip(_coords, this.tooltip_block, 250, 5, this.tooltip_$);
-    this.tooltip_$.show();
-    paper.view.draw();
-}
-
-Rkns.Renderer.EdgeTooltip.prototype.destroy = function() {
-    this.tooltip_block.remove();
-    this.tooltip_$.detach();
-}
-
-/* */
-
-Rkns.Renderer.Scene = function(_renkan, _project) {
-    this.renkan = _renkan;
-    this.project = _project;
-    this.$ = Rkns.$(".Rk-Render");
-    this.representations = [];
-    this.$.html(this.template({
-        width: this.$.width(),
-        height: this.$.height(),
-        l10n: _renkan.l10n
-    }))
-    this.canvas_$ = this.$.find(".Rk-Canvas");
-    this.tooltip_$ = this.$.find(".Rk-Editor");
-    paper.setup(this.canvas_$[0]);
-    this.scale = 1;
-    this.offset = paper.view.center;
-    this.totalScroll = 0;
-    this.click_target = null;
-    this.selected_target = null;
-    this.edge_layer = new paper.Layer();
-    this.node_layer = new paper.Layer();
-    this.overlay_layer = new paper.Layer();
-    this.bundles = [];
-    var _tool = new paper.Tool(),
-        _this = this;
-    _tool.minDistance = Rkns.Renderer._MIN_DRAG_DISTANCE;
-    _tool.onMouseMove = function(_event) {
-        _this.onMouseMove(_event);
-    }
-    _tool.onMouseDown = function(_event) {
-        _this.onMouseDown(_event);
-    }
-    _tool.onMouseDrag = function(_event) {
-        _this.onMouseDrag(_event);
-    }
-    this.canvas_$.mouseup(function(_event) {
-        _this.onMouseUp(_event);
-    });
-    this.canvas_$.mousewheel(function(_event, _delta) {
-        _this.onScroll(_event, _delta);
-    });
-    this.tooltip_$.find(".Rk-ZoomOut").click(function() {
-        _this.offset = new paper.Point([
-            _this.canvas_$.width(),
-            _this.canvas_$.height()
-        ]).multiply( .5 * ( 1 - Math.SQRT1_2 ) ).add(_this.offset.multiply( Math.SQRT1_2 ));
-        _this.scale *= Math.SQRT1_2;
-        _this.redraw();
-    });
-    this.tooltip_$.find(".Rk-ZoomIn").click(function() {
-        _this.offset = new paper.Point([
-            _this.canvas_$.width(),
-            _this.canvas_$.height()
-        ]).multiply( .5 * ( 1 - Math.SQRT2 ) ).add(_this.offset.multiply( Math.SQRT2 ));
-        _this.scale *= Math.SQRT2;
-        _this.redraw();
-    });
-    paper.view.onResize = function(_event) {
-        _this.offset = _this.offset.add(_event.delta.divide(2));
-        _this.redraw();
-    }
-    
-    var _thRedraw = Rkns._.throttle(function() {
-        _this.redraw();
-    },50);
-    
-    this.addRepresentations("Node", this.project.get("nodes"));
-    this.addRepresentations("Edge", this.project.get("edges"));
-    
-    this._addNodesBinding = function(_node) {
-        _this.addRepresentation("Node", _node);
-        _thRedraw();
-    }
-    this._addEdgesBinding = function(_edge) {
-        _this.addRepresentation("Edge", _edge);
-        _thRedraw();
-    }
-    
-    this.project.on("add:nodes", this._addNodesBinding );
-    this.project.on("add:edges", this._addEdgesBinding );
-    this.redraw();
-}
-
-Rkns.Renderer.Scene.prototype.template = Rkns._.template(
-    '<canvas class="Rk-Canvas" width="<%-width%>" height="<%-height%>"></canvas><div class="Rk-Editor">'
-    + '<div class="Rk-ZoomButtons"><div class="Rk-ZoomIn" title="<%-l10n.zoom_in%>"></div><div class="Rk-ZoomOut" title="<%-l10n.zoom_out%>"></div></div>'
-    + '</div>'
-);
-
-Rkns.Renderer.Scene.prototype.addToBundles = function(_edgeRepr) {
-    var _bundle = Rkns._(this.bundles).find(function(_bundle) {
-        return ( 
-            ( _bundle.from === _edgeRepr.from_representation && _bundle.to === _edgeRepr.to_representation )
-            || ( _bundle.from === _edgeRepr.to_representation && _bundle.to === _edgeRepr.from_representation )
-        );
-    });
-    if (typeof _bundle !== "undefined") {
-        _bundle.edges.push(_edgeRepr)
-    } else {
-        _bundle = {
-            from: _edgeRepr.from_representation,
-            to: _edgeRepr.to_representation,
-            edges: [ _edgeRepr ],
-            getPosition: function(_er) {
-                var _dir = (_er.from_representation === this.from) ? 1 : -1;
-                return _dir * ( Rkns._(this.edges).indexOf(_er) - (this.edges.length - 1) / 2 );
-            }
-        }
-        this.bundles.push(_bundle);
-    }
-    return _bundle;
-}
-
-Rkns.Renderer.Scene.prototype.autoScale = function() {
-    if (this.project.get("nodes").length) {
-        var _xx = this.project.get("nodes").map(function(_node) { return _node.get("position").x }),
-            _yy = this.project.get("nodes").map(function(_node) { return _node.get("position").y }),
-            _minx = Math.min.apply(Math, _xx),
-            _miny = Math.min.apply(Math, _yy),
-            _maxx = Math.max.apply(Math, _xx),
-            _maxy = Math.max.apply(Math, _yy);
-        this.scale = Math.min((paper.view.size.width - 2 * Rkns.Renderer._MARGIN_X) / (_maxx - _minx), (paper.view.size.height - 2 * Rkns.Renderer._MARGIN_Y) / (_maxy - _miny));
-        this.offset = paper.view.center.subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(this.scale));
-        this.redraw();
-    }
-}
-
-Rkns.Renderer.Scene.prototype.toPaperCoords = function(_point) {
-    return _point.multiply(this.scale).add(this.offset);
-}
-
-
-Rkns.Renderer.Scene.prototype.toModelCoords = function(_point) {
-    return _point.subtract(this.offset).divide(this.scale);
-}
-
-Rkns.Renderer.Scene.prototype.addRepresentation = function(_type, _model) {
-    var _repr = new Rkns.Renderer[_type](this, _model);
-    this.representations.push(_repr);
-    return _repr;
-}
-
-Rkns.Renderer.Scene.prototype.addRepresentations = function(_type, _collection) {
-    var _this = this;
-    _collection.forEach(function(_model) {
-        _this.addRepresentation(_type, _model);
-    });
-}
-
-Rkns.Renderer.Scene.prototype.removeRepresentation = function(_representation) {
-    _representation.destroy();
-    this.representations = Rkns._(this.representations).reject(
-        function(_repr) {
-            return _repr == _representation
-        }
-    );
-}
-
-Rkns.Renderer.Scene.prototype.getRepresentationByModel = function(_model) {
-    return Rkns._(this.representations).find(function(_repr) {
-        return _repr.model === _model;
-    });
-}
-
-Rkns.Renderer.Scene.prototype.removeRepresentationsOfType = function(_type) {
-    var _representations = Rkns._(this.representations).filter(function(_repr) {
-            return _repr.type == _type;
-        }),
-        _this = this;
-    Rkns._(_representations).each(function(_repr) {
-        _this.removeRepresentation(_repr);
-    });
-}
-
-Rkns.Renderer.Scene.prototype.unselectAll = function() {
-    Rkns._(this.representations).each(function(_repr) {
-        _repr.model.trigger("unselect");
-    });
-}
-
-Rkns.Renderer.Scene.prototype.redraw = function() {
-    Rkns._(this.representations).each(function(_representation) {
-        _representation.redraw();
-    });
-    paper.view.draw();
-}
-
-Rkns.Renderer.Scene.prototype.addTempEdge = function(_from, _point) {
-    var _tmpEdge = this.addRepresentation("TempEdge",null);
-    _tmpEdge.end_pos = _point;
-    _tmpEdge.from_representation = _from;
-    _tmpEdge.redraw();
-    this.click_target = _tmpEdge;
-}
-
-Rkns.Renderer.Scene.prototype.findTarget = function(_hitResult) {
-    if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
-        var _newTarget = _hitResult.item.__representation;
-        if (this.selected_target !== _newTarget && _newTarget.model) {
-            if (this.selected_target) {
-                this.selected_target.model.trigger("unselect");
-            }
-            _newTarget.model.trigger("select");
-            this.selected_target = _newTarget;
-        }
-    } else {
-        if (!_hitResult) {
-            this.removeRepresentationsOfType("tooltip");
-        }
-        if (this.selected_target) {
-            this.selected_target.model.trigger("unselect");
-        }
-        this.selected_target = null;
-    }
-}
-
-Rkns.Renderer.Scene.prototype.onMouseMove = function(_event) {
-    var _hitResult = paper.project.hitTest(_event.point);
-    if (this.is_dragging) {
-        if (this.click_target && typeof this.click_target.paperShift === "function") {
-            this.click_target.paperShift(_event.delta);
-        } else {
-            this.offset = this.offset.add(_event.delta);
-            this.redraw();
-        }
-    } else {
-        this.findTarget(_hitResult);
-    }
-}
-
-Rkns.Renderer.Scene.prototype.onMouseDown = function(_event) {
-    this.is_dragging = false;
-    var _hitResult = paper.project.hitTest(_event.point);
-    if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
-        this.click_target = _hitResult.item.__representation;
-    } else {
-        this.click_target = null;
-    }
-}
-
-Rkns.Renderer.Scene.prototype.onMouseDrag = function(_event) {
-    this.is_dragging = true;
-    this.onMouseMove(_event);
-}
-
-Rkns.Renderer.Scene.prototype.onMouseUp = function(_event) {
-    if (this.click_target) {
-        var _off = this.canvas_$.offset();
-        if (this.click_target.model) {
-            this.click_target.model.trigger("click");
-        }
-    }
-    this.is_dragging = false;
-    this.click_target = null;
-}
-
-Rkns.Renderer.Scene.prototype.onScroll = function(_event, _scrolldelta) {
-    this.totalScroll += _scrolldelta;
-    if (Math.abs(this.totalScroll) >= 1) {
-        var _off = this.canvas_$.offset(),
-            _delta = new paper.Point([
-                _event.pageX - _off.left,
-                _event.pageY - _off.top
-            ]).subtract(this.offset).multiply( Math.SQRT2 - 1 );
-        if (this.totalScroll > 0) {
-            this.offset = this.offset.subtract(_delta);
-            this.scale *= Math.SQRT2;
-        } else {
-            this.offset = this.offset.add(_delta.divide( Math.SQRT2 ));
-            this.scale *= Math.SQRT1_2;
-        }
-        this.totalScroll = 0;
-        this.redraw();
-    }
-}
-
-Rkns.Renderer.Scene.prototype.destroy = function() {
-    this.project.off("add:nodes", this._addNodesBinding );
-    this.project.off("add:edges", this._addEdgesBinding );
-    Rkns._(this.representations).each(function(_repr) {
-        _repr.destroy();
-    });
-    this.$.html("");
-    paper.remove();
-}
-
diff -r c472984db275 -r 1615c7e4ef9d src/js/libs/renkan.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/js/libs/renkan.js	Tue Apr 23 15:23:20 2013 +0200
@@ -0,0 +1,3232 @@
+/* 
+ *  Copyright 2012-2013 Institut de recherche et d'innovation 
+ *  contributor(s) : Yves-Marie Haussonne, Raphael Velt, Samuel Huron
+ *   
+ *  contact@iri.centrepompidou.fr
+ *  http://www.iri.centrepompidou.fr 
+ *   
+ *  This software is a computer program whose purpose is to show and add annotations on a video .
+ *  This software is governed by the CeCILL-C license under French law and
+ *  abiding by the rules of distribution of free software. You can  use, 
+ *  modify and/ or redistribute the software under the terms of the CeCILL-C
+ *  license as circulated by CEA, CNRS and INRIA at the following URL
+ *  "http://www.cecill.info". 
+ *  
+ *  The fact that you are presently reading this means that you have had
+ *  knowledge of the CeCILL-C license and that you accept its terms.
+*/
+
+/* Declaring the Renkan Namespace Rkns and Default values */
+
+if (typeof Rkns !== "object") {
+    Rkns = {}
+}
+
+Rkns.$ = jQuery;
+
+Rkns._ = _;
+
+Rkns.VERSION = '0.2';
+
+Rkns.pickerColors = ["#8f1919", "#a80000", "#d82626", "#ff0000", "#e87c7c", "#ff6565", "#f7d3d3", "#fecccc",
+    "#8f5419", "#a85400", "#d87f26", "#ff7f00", "#e8b27c", "#ffb265", "#f7e5d3", "#fee5cc",
+    "#8f8f19", "#a8a800", "#d8d826", "#feff00", "#e8e87c", "#feff65", "#f7f7d3", "#fefecc",
+    "#198f19", "#00a800", "#26d826", "#00ff00", "#7ce87c", "#65ff65", "#d3f7d3", "#ccfecc",
+    "#198f8f", "#00a8a8", "#26d8d8", "#00feff", "#7ce8e8", "#65feff", "#d3f7f7", "#ccfefe",
+    "#19198f", "#0000a8", "#2626d8", "#0000ff", "#7c7ce8", "#6565ff", "#d3d3f7", "#ccccfe",
+    "#8f198f", "#a800a8", "#d826d8", "#ff00fe", "#e87ce8", "#ff65fe", "#f7d3f7", "#feccfe",
+    "#000000", "#242424", "#484848", "#6d6d6d", "#919191", "#b6b6b6", "#dadada", "#ffffff"];
+
+Rkns._BaseBin = function(_renkan, _opts) {
+    if (typeof _renkan !== "undefined") {
+        this.renkan = _renkan;
+        this.renkan.$.find(".Rk-Bin-Main").hide();
+        this.$ = Rkns.$('<li>')
+            .addClass("Rk-Bin")
+            .appendTo(_renkan.$.find(".Rk-Bin-List"));
+        this.title_icon_$ = Rkns.$('<span>')
+            .addClass("Rk-Bin-Title-Icon")
+            .appendTo(this.$);
+            
+        var _this = this;
+        
+        Rkns.$('<a>')
+            .attr({
+                href: "#",
+                title: _renkan.translate("Close bin")
+            })
+            .addClass("Rk-Bin-Close")
+            .html('&times;')
+            .appendTo(this.$)
+            .click(function() {
+                _this.destroy();
+                if (!_renkan.$.find(".Rk-Bin-Main:visible").length) {
+                    _renkan.$.find(".Rk-Bin-Main:last").slideDown();
+                }
+                _renkan.resizeBins();
+                return false;
+            });
+        Rkns.$('<a>')
+            .attr({
+                href: "#",
+                title: _renkan.translate("Refresh bin")
+            })
+            .addClass("Rk-Bin-Refresh")
+            .appendTo(this.$)
+            .click(function() {
+                _this.refresh();
+                return false;
+            });
+        this.count_$ = Rkns.$('<div>')
+            .addClass("Rk-Bin-Count")
+            .appendTo(this.$);
+        this.title_$ = Rkns.$('<h2>')
+            .addClass("Rk-Bin-Title")
+            .appendTo(this.$);
+        this.main_$ = Rkns.$('<div>')
+            .addClass("Rk-Bin-Main")
+            .appendTo(this.$)
+            .html('<h4 class="Rk-Bin-Loading">' + _renkan.translate("Loading, please wait") + '</h4>');
+        this.title_$.html(_opts.title || '(new bin)');
+        this.renkan.resizeBins();
+        
+        if (_opts.auto_refresh) {
+            window.setInterval(function() {
+                _this.refresh();
+            },_opts.auto_refresh)
+        }
+    }
+};
+
+Rkns._BaseBin.prototype.destroy = function() {
+    this.$.detach();
+    this.renkan.resizeBins();
+};
+
+/* Point of entry */
+
+Rkns.Renkan = function(_opts) {
+    var _this = this;
+    
+    this.options = _.defaults(_opts, Rkns.defaults);
+        
+    Rkns._(this.options.property_files).each(function(f) {
+        Rkns.$.getJSON(f, function(data) {
+            _this.options.properties = _this.options.properties.concat(data);
+        });
+    });
+    
+    this.read_only = this.options.read_only || !this.options.editor_mode;
+
+    this.project = new Rkns.Models.Project();
+    
+    if (typeof this.options.user_id !== "undefined") {
+        this.current_user = this.options.user_id;
+    }
+    this.$ = Rkns.$("#" + this.options.container);
+    this.$
+        .addClass("Rk-Main")
+        .html(this.template(this));
+    this.renderer = new Rkns.Renderer.Scene(this);
+    this.tabs = [];
+    this.search_engines = [];
+
+    this.current_user_list = new Rkns.Models.UsersList();
+    
+    if (!this.options.search.length) {
+        this.$.find(".Rk-Web-Search-Form").detach();
+    } else {
+        var _tmpl = Rkns._.template('<li class="<%= className %>" data-key="<%= key %>"><%= title %></li>'),
+            _select = this.$.find(".Rk-Search-List"),
+            _input = this.$.find(".Rk-Web-Search-Input")
+            _form = this.$.find(".Rk-Web-Search-Form");
+        Rkns._(this.options.search).each(function(_search, _key) {
+            if (Rkns[_search.type] && Rkns[_search.type].Search) {
+                _this.search_engines.push(new Rkns[_search.type].Search(_this, _search));
+            }
+        });
+        _select.html(
+            Rkns._(this.search_engines).map(function(_search, _key) {
+                return _tmpl({
+                    key: _key,
+                    title: _search.getSearchTitle(),
+                    className: _search.getBgClass()
+                });
+            }).join("")
+        );
+        _select.find("li").click(function() {
+            var _el = Rkns.$(this);
+            _this.setSearchEngine(_el.attr("data-key"));
+            _form.submit();
+        });
+        _form.submit(function() {
+            if (_input.val()) {
+                var _search = _this.search_engine;
+                _search.search(_input.val());
+            }
+            return false;
+        });
+        this.$.find(".Rk-Search-Current").mouseenter(
+            function() { _select.slideDown(); }
+        );
+        this.$.find(".Rk-Search-Select").mouseleave(
+            function() { _select.hide(); }
+        );
+        this.setSearchEngine(0);
+    }
+    Rkns._(this.options.bins).each(function(_bin) {
+        if (Rkns[_bin.type] && Rkns[_bin.type].Bin) {
+            _this.tabs.push(new Rkns[_bin.type].Bin(_this, _bin));
+        }
+    });
+    
+    var elementDropped = false;
+    
+    this.$.find(".Rk-Bins")
+        .on("click",".Rk-Bin-Title,.Rk-Bin-Title-Icon", function() {
+            var _mainDiv = Rkns.$(this).siblings(".Rk-Bin-Main");
+            if (_mainDiv.is(":hidden")) {
+                _this.$.find(".Rk-Bin-Main").slideUp();
+                _mainDiv.slideDown();
+            }
+        }).on("mouseover", ".Rk-Bin-Item", function(_e) {
+            var _t = Rkns.$(this);
+            if (_t && $(_t).attr("data-uri")) {
+                var _models = _this.project.get("nodes").where({
+                    uri: $(_t).attr("data-uri")
+                });
+                Rkns._(_models).each(function(_model) {
+                    _this.renderer.highlightModel(_model);
+                });
+            }
+        }).mouseout(function() {
+            _this.renderer.unhighlightAll();
+        }).on("mousemove", ".Rk-Bin-Item", function(e) {
+            try {
+                this.dragDrop();
+            }
+            catch(err) {}
+        }).on("touchstart", ".Rk-Bin-Item", function(e) {
+            elementDropped = false;
+        }).on("touchmove", ".Rk-Bin-Item", function(e) {
+            e.preventDefault();
+            var touch = e.originalEvent.changedTouches[0],
+                off = _this.renderer.canvas_$.offset(),
+                w = _this.renderer.canvas_$.width(),
+                h = _this.renderer.canvas_$.height();
+            if (touch.pageX >= off.left && touch.pageX < (off.left + w) && touch.pageY >= off.top && touch.pageY < (off.top + h)) {
+                if (elementDropped) {
+                    _this.renderer.onMouseMove(touch, true);
+                } else {
+                    elementDropped = true;
+                    var div = document.createElement('div');
+                    div.appendChild(this.cloneNode(true));
+                    _this.renderer.dropData({"text/html": div.innerHTML}, touch);
+                    _this.renderer.onMouseDown(touch, true);
+                }
+            }
+        }).on("touchend", ".Rk-Bin-Item", function(e) {
+            if (elementDropped) {
+                _this.renderer.onMouseUp(e.originalEvent.changedTouches[0], true);
+            }
+            elementDropped = false;
+        }).on("dragstart", ".Rk-Bin-Item", function(e) {
+            var div = document.createElement('div');
+            div.appendChild(this.cloneNode(true));
+            try {
+                e.originalEvent.dataTransfer.setData("text/html",div.innerHTML);
+            }
+            catch(err) {
+                e.originalEvent.dataTransfer.setData("text",div.innerHTML);
+            }
+        });
+    Rkns.$(window).resize(function() {
+        _this.resizeBins();
+    });
+    
+    this.$.find(".Rk-Bins-Search-Input").on("change keyup paste input", function() {
+       var val = Rkns.$(this).val();
+       Rkns._(_this.tabs).each(function(tab) {
+           tab.render(val);
+       });
+    });
+    this.$.find(".Rk-Bins-Search-Form").submit(function() {
+        return false
+    });
+};
+
+Rkns.Renkan.prototype.template = Rkns._.template(
+    '<% if (options.show_bins) { %><div class="Rk-Bins"><div class="Rk-Bins-Head"><h2 class="Rk-Bins-Title"><%- translate("Select contents:")%></h2>'
+    + '<form class="Rk-Web-Search-Form Rk-Search-Form"><input class="Rk-Web-Search-Input Rk-Search-Input" type="search" placeholder="<%- translate("Search the Web") %>" />'
+    + '<div class="Rk-Search-Select"><div class="Rk-Search-Current"></div><ul class="Rk-Search-List"></ul></div>'
+    + '<input type="submit" value="" class="Rk-Web-Search-Submit Rk-Search-Submit" title="<%- translate("Search the Web") %>" /></form>'
+    + '<form class="Rk-Bins-Search-Form Rk-Search-Form"><input class="Rk-Bins-Search-Input Rk-Search-Input" type="search" placeholder="<%- translate("Search in Bins") %>" />'
+    + '<input type="submit" value="" class="Rk-Bins-Search-Submit Rk-Search-Submit" title="<%- translate("Search in Bins") %>" /></form></div>'
+    + '<ul class="Rk-Bin-List"></ul></div><% } %><div class="Rk-Render Rk-Render-<% if (options.show_bins) { %>Panel<% } else { %>Full<% } %>"></div>'
+);
+
+Rkns.Renkan.prototype.translate = function(_text) {
+    if (Rkns.i18n[this.options.language] && Rkns.i18n[this.options.language][_text]) {
+        return Rkns.i18n[this.options.language][_text];
+    }
+    if (this.options.language.length > 2 && Rkns.i18n[this.options.language.substr(0,2)] && Rkns.i18n[this.options.language.substr(0,2)][_text]) {
+        return Rkns.i18n[this.options.language.substr(0,2)][_text];
+    }
+    return _text;
+};
+
+Rkns.Renkan.prototype.onStatusChange = function() {
+    this.renderer.onStatusChange();
+};
+
+Rkns.Renkan.prototype.setSearchEngine = function(_key) {
+    this.search_engine = this.search_engines[_key];
+    this.$.find(".Rk-Search-Current").attr("class","Rk-Search-Current " + this.search_engine.getBgClass());
+};
+
+Rkns.Renkan.prototype.resizeBins = function() {
+    var _d = + this.$.find(".Rk-Bins-Head").outerHeight();
+    this.$.find(".Rk-Bin-Title:visible").each(function() {
+        _d += Rkns.$(this).outerHeight();
+    });
+    this.$.find(".Rk-Bin-Main").css({
+        height: this.$.find(".Rk-Bins").height() - _d
+    });
+};
+
+/* Utility functions */
+
+Rkns.Utils = {
+    _ID_AUTO_INCREMENT : 0,
+    _ID_BASE : (function(_d) {
+        
+        function pad(n){return n<10 ? '0'+n : n}
+        function fillrand(n) {
+            var _res = ''
+            for (var i=0; i<n; i++) {
+                _res += Math.floor(16*Math.random()).toString(16);
+            }
+            return _res;
+        }
+        return _d.getUTCFullYear() + '-'  
+            + pad(_d.getUTCMonth()+1) + '-'  
+            + pad(_d.getUTCDate()) + '-'
+            + fillrand(16);
+        
+    })(new Date()),
+    getUID : function(_base) {
+        
+        var _n = (++this._ID_AUTO_INCREMENT).toString(16),
+            _base = (typeof _base === "undefined" ? "" : _base + "-" );
+        while (_n.length < 4) {
+            _n = '0' + _n
+        }
+        return _base + this._ID_BASE + '-' + _n;
+        
+    },
+    getFullURL : function(url) {
+        
+        if(typeof(url) == 'undefined' || url == null ) {
+            return "";
+        }
+        if(/https?:\/\//.test(url)) {
+            return url;
+        }
+        var img = new Image();
+        img.src = url;
+        var res = img.src;
+        img.src = null;
+        return res;
+        
+    },
+    inherit : function(_baseClass, _callbefore) {
+        
+        var _class = function(_arg) {
+            if (typeof _callbefore === "function") {
+                _callbefore.apply(this, Array.prototype.slice.call(arguments, 0));
+            }
+            _baseClass.apply(this, Array.prototype.slice.call(arguments, 0));
+            if (typeof this._init == "function" && !this._initialized) {
+                this._init.apply(this, Array.prototype.slice.call(arguments, 0));
+                this._initialized = true;
+            }
+        }
+        Rkns._(_class.prototype).extend(_baseClass.prototype);
+        return _class;
+        
+    }
+};
+
+Rkns.defaults = {
+    
+    language: (navigator.language || navigator.userLanguage || "en"),
+        /* GUI Language */
+    container: "renkan",
+        /* GUI Container DOM element ID */
+    search: [],
+        /* List of Search Engines */
+    bins: [],
+           /* List of Bins */
+    static_url: "",
+        /* URL for static resources */
+    show_bins: true,
+        /* Show bins in left column */
+    properties: [],
+        /* Semantic properties for edges */
+    read_only: false,
+        /* Allows editing of renkan without changing the rest of the GUI. Can be switched on/off on the fly to block/enable editing */
+    editor_mode: true,
+        /* Switch for Publish/Edit GUI. If editor_mode is false, read_only will be true.  */
+    snapshot_mode: false,
+        /* In snapshot mode, clicking on the floppy will save a snapshot. Otherwise, it will show the connection status */
+    show_top_bar: true,
+        /* Show the top bar, (title, buttons, users) */
+    default_user_color: "#303030",
+    size_bug_fix: true,
+        /* Resize the canvas after load (fixes a bug on iPad and FF Mac) */
+    force_resize: false,
+    allow_double_click: true,
+        /* Allows Double Click to create a node on an empty background */
+    element_delete_delay: 5000,
+    
+    /* MINI-MAP OPTIONS */
+    
+    show_minimap: true,
+        /* Show a small map at the bottom right */
+    minimap_width: 160,
+    minimap_height: 120,
+    minimap_background_color: "#ffffff",
+    minimap_border_color: "#cccccc",
+    minimap_highlight_color: "#ffff00",
+    minimap_highlight_weight: 5,
+    
+    /* EDGE/NODE COMMON OPTIONS */
+       
+    buttons_background: "#202020",
+    buttons_label_color: "#c000c0",
+    buttons_label_font_size: 9,
+    
+    /* NODE DISPLAY OPTIONS */
+    
+    show_node_circles: true,
+        /* Show circles for nodes */
+    clip_node_images: true,
+        /* Constraint node images to circles */
+    node_size_base: 25,
+    node_stroke_width: 2,
+    selected_node_stroke_width: 4,
+    node_fill_color: "#ffffff",
+    highlighted_node_fill_color: "#ffff00",
+    node_label_distance: 5,
+        /* Vertical distance between node and label */
+    node_label_max_length: 60,
+        /* Maximum displayed text length */
+    label_untitled_nodes: "(untitled)",
+        /* Label to display on untitled nodes */
+    
+    /* EDGE DISPLAY OPTIONS */
+    
+    edge_stroke_width: 2,
+    selected_edge_stroke_width: 4,
+    edge_label_distance: 0,
+    edge_label_max_length: 20,
+    edge_arrow_length: 18,
+    edge_arrow_width: 12,
+    edge_gap_in_bundles: 12,
+    label_untitled_edges: "",
+    
+    /* CONTEXTUAL DISPLAY (TOOLTIP OR EDITOR) OPTIONS */
+   
+    tooltip_width: 275,
+    tooltip_padding: 10,
+    tooltip_margin: 15,
+    tooltip_arrow_length : 20,
+    tooltip_arrow_width : 40,
+    tooltip_top_color: "#f0f0f0",
+    tooltip_bottom_color: "#d0d0d0",
+    tooltip_border_color: "#808080",
+    tooltip_border_width: 1
+    
+};
+
+(function() {
+    
+    var root = this;
+        
+    var Backbone = root.Backbone;
+    
+    var Models = root.Rkns.Models = {};
+    
+    
+    Models.getUID = function(obj) {
+        var guid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+            var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
+            return v.toString(16);
+        });
+        return obj.type + "-" + guid; 
+    };
+    
+    
+    var RenkanModel = Backbone.RelationalModel.extend({
+        idAttribute : "_id",
+        constructor: function(options) {
+            
+            if (typeof options !== "undefined") {
+                options._id = options._id || options.id || Models.getUID(this);
+                options.title = options.title || "";
+                options.description = options.description || "";
+                options.uri = options.uri || "";
+                
+                if(typeof this.prepare === "function") {
+                    options = this.prepare(options);
+                }
+            }
+            Backbone.RelationalModel.prototype.constructor.call(this, options);
+        },
+        validate: function() {
+            if(!this.type) {
+                return "object has no type";
+            }
+        },
+        addReference : function(_options, _propName, _list, _id, _default) {
+            var _element = _list.get(_id);
+            if (typeof _element === "undefined" && typeof _default !== "undefined") {
+                _options[_propName ] = _default;
+            }
+            else {
+                _options[_propName ] = _element;
+            }
+        }
+    });
+        
+    // USER
+    var User = Models.User = RenkanModel.extend({
+        type: "user",
+        prepare: function(options) {
+            options.color = options.color || "#666666";
+            return options;
+        },
+        toJSON: function() {
+            return {
+                _id: this.get("_id"),
+                title: this.get("title"),
+                uri: this.get("uri"),
+                description: this.get("description"),
+                color: this.get("color"),
+            };
+        },
+    });
+    
+    // NODE
+    var Node = Models.Node = RenkanModel.extend({
+        type: "node",
+        relations: [{
+            type: Backbone.HasOne,
+            key: "created_by",
+            relatedModel: User
+        }],
+        prepare: function(options) {
+            project = options.project;
+            this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user);
+            options.description = options.description || "";
+            return options;
+        },
+        toJSON: function() {
+            return {
+                _id: this.get("_id"),
+                title: this.get("title"),
+                uri: this.get("uri"),
+                description: this.get("description"),
+                position: this.get("position"),
+                image: this.get("image"),
+                color: this.get("color"),
+                created_by: this.get("created_by") ? this.get("created_by").get("_id") : null,
+                size: this.get("size")
+            };
+        },
+    });
+    
+    // EDGE
+    var Edge = Models.Edge = RenkanModel.extend({
+        type: "edge",
+        relations: [
+          {
+            type: Backbone.HasOne,
+            key: "created_by",
+            relatedModel: User
+          },
+          {
+            type: Backbone.HasOne,
+            key: "from",
+            relatedModel: Node
+          },
+          {
+            type: Backbone.HasOne,
+            key: "to",
+            relatedModel: Node
+          },
+        ],
+        prepare: function(options) {
+            project = options.project;
+            this.addReference(options, "created_by", project.get("users"), options.created_by, project.current_user);
+            this.addReference(options, "from", project.get("nodes"), options.from);
+            this.addReference(options, "to", project.get("nodes"), options.to);
+            return options;
+        },
+        toJSON: function() {
+            return {
+                _id: this.get("_id"),
+                title: this.get("title"),
+                uri: this.get("uri"),
+                description: this.get("description"),
+                from: this.get("from") ? this.get("from").get("_id") : null,
+                to: this.get("to") ? this.get("to").get("_id") : null,
+                color: this.get("color"),
+                created_by: this.get("created_by") ? this.get("created_by").get("_id") : null
+            };
+        },
+    });
+        
+    // PROJECT
+    var Project = Models.Project = RenkanModel.extend({
+        type: "project",
+        relations: [
+          {
+            type: Backbone.HasMany,
+            key: "users",
+            relatedModel: User,
+            reverseRelation: {
+                key: 'project',
+                includeInJSON: '_id'
+            },
+          },
+          {
+            type: Backbone.HasMany,
+            key: "nodes",
+            relatedModel: Node,
+            reverseRelation: {
+                key: 'project',
+                includeInJSON: '_id'
+            },
+          },
+          {
+            type: Backbone.HasMany,
+            key: "edges",
+            relatedModel: Edge,
+            reverseRelation: {
+                key: 'project',
+                includeInJSON: '_id'
+            },
+          }
+        ],
+        addUser: function(_props, _options) {
+            _props.project = this;
+            var _user = User.findOrCreate(_props);
+            this.get("users").push(_user, _options);
+            return _user;
+        },
+        addNode: function(_props, _options) {
+            _props.project = this;            
+            var _node = Node.findOrCreate(_props);
+            this.get("nodes").push(_node, _options);
+            return _node;
+        },
+        addEdge: function(_props, _options) {
+            _props.project = this;
+            var _edge = Edge.findOrCreate(_props);
+            this.get("edges").push(_edge, _options);
+            return _edge;
+        },
+        removeNode: function(_model) {
+            this.get("nodes").remove(_model);
+        },
+        removeEdge: function(_model) {
+            this.get("edges").remove(_model);
+        },
+        validate: function(options) {
+            var _project = this;
+            _(options.users).each(function(_item) {
+                _item.project = _project;
+            });
+            _(options.nodes).each(function(_item) {
+                _item.project = _project;
+            });
+            _(options.edges).each(function(_item) {
+                _item.project = _project;
+            });
+        },
+        // Add event handler to remove edges when a node is removed
+        initialize: function() {
+            var _this = this;
+            this.on("remove:nodes", function(_node) {
+                _this.get("edges").remove(
+                    _this.get("edges").filter(function(_edge) {
+                        return _edge.get("from") == _node || _edge.get("to") == _node;
+                    })
+                );
+            });
+        }
+    });
+    
+    var RosterUser = Models.RosterUser = Backbone.Model.extend({
+        type: "roster_user",               
+        idAttribute : "_id",
+        
+        constructor: function(options) {
+            
+            if (typeof options !== "undefined") {
+                options._id = options._id || options.id || Models.getUID(this);
+                options.title = options.title || "(untitled " + this.type + ")";
+                options.description = options.description || "";
+                options.uri = options.uri || "";
+                options.project = options.project || null;
+                options.site_id = options.site_id || 0;
+                
+                if(typeof this.prepare === "function") {
+                    options = this.prepare(options);
+                }
+            }
+            Backbone.Model.prototype.constructor.call(this, options);
+        },
+        
+        validate: function() {
+            if(!this.type) {
+                return "object has no type";
+            }
+        },
+        
+        prepare: function(options) {
+            options.color = options.color || "#666666";
+            return options;
+        },
+        
+        toJSON: function() {
+            return {
+                _id: this.get("_id"),
+                title: this.get("title"),
+                uri: this.get("uri"),
+                description: this.get("description"),
+                color: this.get("color"),
+                project: (this.get("project") != null)?this.get("project").get("id"):null,
+                site_id: this.get("site_id")
+            };
+        },
+    });
+    
+    var UsersList = Models.UsersList = Backbone.Collection.extend({
+        model: RosterUser
+    });
+    
+
+}).call(window);
+
+Rkns.i18n = {
+    fr: {
+        "Edit Node": "Édition d’un nœud",
+        "Edit Edge": "Édition d’un lien",
+        "Title:": "Titre :",
+        "URI:": "URI :",
+        "Description:": "Description :",
+        "From:": "De :",
+        "To:": "Vers :",
+        "Image": "Image",
+        "Image URL:": "URL d'Image",
+        "Choose Image File:": "Choisir un fichier image",
+        "Full Screen": "Mode plein écran",
+        "Add Node": "Ajouter un nœud",
+        "Add Edge": "Ajouter un lien",
+        "Archive Project": "Archiver le projet",
+        "Auto-save enabled": "Enregistrement automatique activé",
+        "Connection lost": "Connexion perdue",
+        "Created by:": "Créé par :",
+        "Zoom In": "Agrandir l’échelle",
+        "Zoom Out": "Rapetisser l’échelle",
+        "Edit": "Éditer",
+        "Remove": "Supprimer",
+        "Cancel deletion": "Annuler la suppression",
+        "Link to another node": "Créer un lien",
+        "Enlarge": "Agrandir",
+        "Shrink": "Rétrécir",
+        "Click on the background canvas to add a node": "Cliquer sur le fond du graphe pour rajouter un nœud",
+        "Click on a first node to start the edge": "Cliquer sur un premier nœud pour commencer le lien",
+        "Click on a second node to complete the edge": "Cliquer sur un second nœud pour terminer le lien",
+        "Twitter": "Twitter",
+        "Wikipedia": "Wikipédia",
+        "Wikipedia in ": "Wikipédia en ",
+        "French": "Français",
+        "English": "Anglais",
+        "Japanese": "Japonais",
+        "Untitled project": "Projet sans titre",
+        "Lignes de Temps": "Lignes de Temps",
+        "Loading, please wait": "Chargement en cours, merci de patienter",
+        "Edge color:": "Couleur :",
+        "Node color:": "Couleur :",
+        "Choose color": "Choisir une couleur",
+        "Change edge direction": "Changer le sens du lien",
+        "Do you really wish to remove node ": "Voulez-vous réellement supprimer le nœud ",
+        "Do you really wish to remove edge ": "Voulez-vous réellement supprimer le lien ",
+        "This file is not an image": "Ce fichier n'est pas une image",
+        "Image size must be under ": "L'image doit peser moins de ",
+        "Size:": "Taille :",
+        "KB": "ko",
+        "Choose from vocabulary:": "Choisir dans un vocabulaire :",
+        "SKOS Documentation properties": "SKOS: Propriétés documentaires",
+        "has note": "a pour note",
+        "has example": "a pour exemple",
+        "has definition": "a pour définition",
+        "SKOS Semantic relations": "SKOS: Relations sémantiques",
+        "has broader": "a pour concept plus large",
+        "has narrower": "a pour concept plus étroit",
+        "has related": "a pour concept apparenté",
+        "Dublin Core Metadata": "Métadonnées Dublin Core",
+        "has contributor": "a pour contributeur",
+        "covers": "couvre",
+        "created by": "créé par",
+        "has date": "a pour date",
+        "published by": "édité par",
+        "has source": "a pour source",
+        "has subject": "a pour sujet",
+        "Dragged resource": "Ressource glisée-déposée",
+        "Search the Web": "Rechercher en ligne",
+        "Search in Bins": "Rechercher dans les chutiers",
+        "Close bin": "Fermer le chutier",
+        "Refresh bin": "Rafraîchir le chutier",
+        "(untitled)": "(sans titre)",
+        "Select contents:": "Sélectionner des contenus :",
+        "Drag items from this website, drop them in Renkan": "Glissez des éléments de ce site web vers Renkan",
+        "Drag this button to your bookmark bar. When on a third-party website, click it to enable drag-and-drop from the website to Renkan.": "Glissez ce bouton vers votre barre de favoris. Ensuite, depuis un site tiers, cliquez dessus pour activer 'Drag-to-Add' puis glissez des éléments de ce site vers Renkan"
+    }
+}
+
+/* Loads a JSON File */
+
+Rkns.jsonIO = function(_renkan, _opts) {
+    var _proj = _renkan.project;
+    if (typeof _opts.http_method == "undefined") {
+        _opts.http_method = 'PUT';
+    }
+    var _load = function() {
+        Rkns.$.getJSON(_opts.url, function(_data) {
+            _proj.set(_data, {validate: true});
+            _renkan.renderer.autoScale();
+        });
+    }
+        
+    _load();
+}
+
+Rkns.Renderer = {
+    _MINIMAP_MARGIN: 20,
+    _MIN_DRAG_DISTANCE: 2,
+    _NODE_BUTTON_WIDTH: 40,
+    _EDGE_BUTTON_INNER: 2,
+    _EDGE_BUTTON_OUTER: 40,
+    _CLICKMODE_ADDNODE : 1,
+    _CLICKMODE_STARTEDGE : 2,
+    _CLICKMODE_ENDEDGE : 3,
+    _IMAGE_MAX_KB : 500,
+    _NODE_SIZE_STEP: Math.LN2/4,
+    _MIN_SCALE: 1/20,
+    _MAX_SCALE: 20,
+    _AUTOSCALE_MARGIN: 50,
+    _MOUSEMOVE_RATE: 80,
+    _DOUBLETAP_DELAY: 800,
+    _DOUBLETAP_DISTANCE: 20*20,
+    _USER_PLACEHOLDER : function(_renkan) {
+        return {
+            color: _renkan.options.default_user_color,
+            title: _renkan.translate("(unknown user)"),
+            get: function(attr) {
+                return this[attr] || false;
+            }
+        }
+    },
+    _BOOKMARKLET_CODE: function(_renkan) {
+        return "(function(a,b,c,d,e,f,h,i,j,k,l,m,n,o,p,q,r){a=document;b=a.body;c=a.location.href;j='draggable';m='text/x-iri-';d=a.createElement('div');d.innerHTML='<p_style=\"position:fixed;top:0;right:0;font:bold_18px_sans-serif;color:#fff;background:#909;padding:10px;z-index:100000;\">"
+        + _renkan.translate("Drag items from this website, drop them in Renkan").replace(/ /g,"_")
+        + "</p>'.replace(/_/g,String.fromCharCode(32));b.appendChild(d);e=[{r:/https?:\\/\\/[^\\/]*twitter\\.com\\//,s:'.tweet',n:'twitter'},{r:/https?:\\/\\/[^\\/]*google\\.[^\\/]+\\//,s:'.g',n:'google'},{r:/https?:\\/\\/[^\\/]*lemonde\\.fr\\//,s:'[data-vr-contentbox]',n:'lemonde'}];f=false;e.forEach(function(g){if(g.r.test(c)){f=g;}});if(f){h=function(){Array.prototype.forEach.call(a.querySelectorAll(f.s),function(i){i[j]=true;k=i.style;k.borderWidth='2px';k.borderColor='#909';k.borderStyle='solid';k.backgroundColor='rgba(200,0,180,.1)';})};window.setInterval(h,500);h();};a.addEventListener('dragstart',function(k){l=k.dataTransfer;l.setData(m+'source-uri',c);l.setData(m+'source-title',a.title);n=k.target;if(f){o=n;while(!o.attributes[j]){o=o.parentNode;if(o==b){break;}}}if(f&&o.attributes[j]){p=o.cloneNode(true);l.setData(m+'specific-site',f.n)}else{q=a.getSelection();if(q.type==='Range'||!q.type){p=q.getRangeAt(0).cloneContents();}else{p=n.cloneNode();}}r=a.createElement('div');r.appendChild(p);l.setData('text/x-iri-selected-text',r.textContent.trim());l.setData('text/x-iri-selected-html',r.innerHTML);},false);})();"
+    },
+    shortenText : function(_text, _maxlength) {
+        return (_text.length > _maxlength ? (_text.substr(0,_maxlength) + '…') : _text);
+    },
+    drawEditBox : function(_options, _coords, _path, _xmargin, _selector) {
+        _selector.css({
+            width: ( _options.tooltip_width - 2* _options.tooltip_padding ),
+        })
+        var _height = _selector.outerHeight() + 2* _options.tooltip_padding,
+            _isLeft = (_coords.x < paper.view.center.x ? 1 : -1),
+            _left = _coords.x + _isLeft * ( _xmargin + _options.tooltip_arrow_length ),
+            _right = _coords.x + _isLeft * ( _xmargin + _options.tooltip_arrow_length + _options.tooltip_width ),
+            _top = _coords.y - _height / 2;
+        if (_top + _height > (paper.view.size.height - _options.tooltip_margin)) {
+            _top = Math.max( paper.view.size.height - _options.tooltip_margin, _coords.y + _options.tooltip_arrow_width / 2 ) - _height;
+        }
+        if (_top < _options.tooltip_margin) {
+            _top = Math.min( _options.tooltip_margin, _coords.y - _options.tooltip_arrow_width / 2 );
+        }
+        var _bottom = _top + _height;
+        _path.segments[0].point
+            = _path.segments[7].point
+            = _coords.add([_isLeft * _xmargin, 0]);
+        _path.segments[1].point.x
+            = _path.segments[2].point.x
+            = _path.segments[5].point.x
+            = _path.segments[6].point.x
+            = _left;
+        _path.segments[3].point.x
+            = _path.segments[4].point.x
+            = _right;
+        _path.segments[2].point.y
+            = _path.segments[3].point.y
+            = _top;
+        _path.segments[4].point.y
+            = _path.segments[5].point.y
+            = _bottom;
+        _path.segments[1].point.y = _coords.y - _options.tooltip_arrow_width / 2;
+        _path.segments[6].point.y = _coords.y + _options.tooltip_arrow_width / 2;
+        _path.closed = true;
+        _path.fillColor = new paper.GradientColor(new paper.Gradient([_options.tooltip_top_color, _options.tooltip_bottom_color]), [0,_top], [0, _bottom]);
+        _selector.css({
+            left: (_options.tooltip_padding + Math.min(_left, _right)),
+            top: (_options.tooltip_padding + _top)
+        });
+        return _path;
+    }
+}
+
+Rkns.Renderer._BaseRepresentation = function(_renderer, _model) {
+    if (typeof _renderer !== "undefined") {
+        this.renderer = _renderer;
+        this.renkan = _renderer.renkan;
+        this.project = _renderer.renkan.project;
+        this.options = _renderer.renkan.options;
+        this.model = _model;
+        if (this.model) {
+            var _this = this;
+            this._changeBinding = function() {
+                _this.redraw();
+            }
+            this._removeBinding = function() {
+                _renderer.removeRepresentation(_this);
+                _(function() {
+                    _renderer.redraw()
+                }).defer();
+            }
+            this._selectBinding = function() {
+                _this.select();
+            }
+            this._unselectBinding = function() {
+                _this.unselect();
+            }
+            this.model.on("change", this._changeBinding );
+            this.model.on("remove", this._removeBinding );
+            this.model.on("select", this._selectBinding );
+            this.model.on("unselect", this._unselectBinding );
+        }
+    }
+}
+
+Rkns.Renderer._BaseRepresentation.prototype.super = function(_func) {
+    Rkns.Renderer._BaseRepresentation.prototype[_func].apply(this, Array.prototype.slice.call(arguments, 1));
+}
+
+Rkns.Renderer._BaseRepresentation.prototype.redraw = function() {}
+
+Rkns.Renderer._BaseRepresentation.prototype.moveTo = function() {}
+
+Rkns.Renderer._BaseRepresentation.prototype.show = function() {}
+
+Rkns.Renderer._BaseRepresentation.prototype.hide = function() {}
+
+Rkns.Renderer._BaseRepresentation.prototype.select = function() {
+    if (this.model) {
+        this.model.trigger("selected");
+    }
+}
+
+Rkns.Renderer._BaseRepresentation.prototype.unselect = function() {
+    if (this.model) {
+        this.model.trigger("unselected");
+    }
+}
+
+Rkns.Renderer._BaseRepresentation.prototype.highlight = function() {}
+
+Rkns.Renderer._BaseRepresentation.prototype.unhighlight = function() {}
+
+Rkns.Renderer._BaseRepresentation.prototype.mousedown = function() {}
+
+Rkns.Renderer._BaseRepresentation.prototype.mouseup = function() {
+    if (this.model) {
+        this.model.trigger("clicked");
+    }
+}
+
+Rkns.Renderer._BaseRepresentation.prototype.destroy = function() {
+    if (this.model) {
+        this.model.off("change", this._changeBinding );
+        this.model.off("remove", this._removeBinding );
+        this.model.off("select", this._selectBinding );
+        this.model.off("unselect", this._unselectBinding );
+    }
+}
+
+/* */
+
+Rkns.Renderer._BaseButton = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+
+Rkns.Renderer._BaseButton.prototype.moveTo = function(_pos) {
+    this.sector.moveTo(_pos);
+}
+
+Rkns.Renderer._BaseButton.prototype.show = function() {
+    this.sector.show();
+}
+
+Rkns.Renderer._BaseButton.prototype.hide = function() {
+    this.sector.hide();
+}
+
+Rkns.Renderer._BaseButton.prototype.select = function() {
+    this.sector.select();
+}
+
+Rkns.Renderer._BaseButton.prototype.unselect = function(_newTarget) {
+    this.sector.unselect();
+    if (!_newTarget || (_newTarget !== this.source_representation && _newTarget.source_representation !== this.source_representation)) {
+        this.source_representation.unselect();
+    }
+}
+
+Rkns.Renderer._BaseButton.prototype.destroy = function() {
+    this.sector.destroy();
+}
+
+/* */
+
+Rkns.Renderer.Node = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+
+Rkns.Renderer.Node.prototype._init = function() {
+    this.renderer.node_layer.activate();
+    this.type = "Node";
+    this.circle = new paper.Path.Circle([0, 0], 1);
+    this.circle.__representation = this;
+    if (this.options.show_node_circles) {
+        this.circle.strokeWidth = this.options.node_stroke_width;
+        this.h_ratio = 1;
+    } else {
+        this.h_ratio = 0;
+    }
+    this.title = Rkns.$('<div class="Rk-Label">').appendTo(this.renderer.labels_$);
+    if (this.options.editor_mode) {
+        this.normal_buttons = [
+            new Rkns.Renderer.NodeEditButton(this.renderer, null),
+            new Rkns.Renderer.NodeRemoveButton(this.renderer, null),
+            new Rkns.Renderer.NodeLinkButton(this.renderer, null),
+            new Rkns.Renderer.NodeEnlargeButton(this.renderer, null),
+            new Rkns.Renderer.NodeShrinkButton(this.renderer, null)
+        ];
+        this.pending_delete_buttons = [
+            new Rkns.Renderer.NodeRevertButton(this.renderer, null)
+        ];
+        this.all_buttons = this.normal_buttons.concat(this.pending_delete_buttons)
+        for (var i = 0; i < this.all_buttons.length; i++) {
+            this.all_buttons[i].source_representation = this;
+        }
+        this.active_buttons = [];
+    } else {
+        this.active_buttons = this.all_buttons = [];
+    }
+    this.last_circle_radius = 1;
+    
+    if (this.renderer.minimap) {
+        this.renderer.minimap.node_layer.activate();
+        this.minimap_circle = new paper.Path.Circle([0, 0], 1);
+        this.minimap_circle.__representation = this.renderer.minimap.miniframe.__representation;
+        this.renderer.minimap.node_group.addChild(this.minimap_circle);
+    }
+}
+
+Rkns.Renderer.Node.prototype.redraw = function(_dontRedrawEdges) {
+    var _model_coords = new paper.Point(this.model.get("position")),
+        _baseRadius = this.options.node_size_base * Math.exp((this.model.get("size") || 0) * Rkns.Renderer._NODE_SIZE_STEP);
+    if (!this.is_dragging || !this.paper_coords) {
+        this.paper_coords = this.renderer.toPaperCoords(_model_coords);
+    }
+    this.circle_radius = _baseRadius * this.renderer.scale;
+    if (this.last_circle_radius !== this.circle_radius) {
+        this.all_buttons.forEach(function(b) {
+            b.setSectorSize();
+        });
+        var square = new paper.Size(this.circle_radius, this.circle_radius),
+            topleft = this.paper_coords.subtract(square),
+            bounds = new paper.Rectangle(topleft, square.multiply(2));
+        this.circle.fitBounds(bounds);
+        if (this.node_image) {
+            this.node_image.fitBounds(bounds);
+        }
+    } else {
+        this.circle.position = this.paper_coords;
+        if (this.node_image) {
+            this.node_image.position = this.paper_coords;
+        }
+    }
+    this.last_circle_radius = this.circle_radius;
+    
+    var old_act_btn = this.active_buttons;
+    
+    if (this.model.get("delete_scheduled")) {
+        var opacity = .5;
+        this.active_buttons = this.pending_delete_buttons;
+        this.circle.dashArray = [2,2];
+    } else {
+        var opacity = 1;
+        this.active_buttons = this.normal_buttons;
+        this.circle.dashArray = null;
+    }
+    
+    if (this.selected && this.renderer.isEditable()) {
+        if (old_act_btn !== this.active_buttons) {
+            old_act_btn.forEach(function(b) {
+                b.hide();
+            });
+        }
+        this.active_buttons.forEach(function(b) {
+            b.show();
+        });
+    }
+    
+    if (this.node_image) {
+        this.node_image.opacity = this.highlighted ? opacity * .5 : (opacity - .01);
+    }
+    
+    this.circle.fillColor = this.highlighted ? this.options.highlighted_node_fill_color : this.options.node_fill_color;
+    
+    this.circle.opacity = this.options.show_node_circles ? opacity : .01;
+    
+    var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_nodes) || "";
+    _text = Rkns.Renderer.shortenText(_text, this.options.node_label_max_length);
+    this.title.text(_text);
+    this.title.css({
+        left: this.paper_coords.x,
+        top: this.paper_coords.y + this.circle_radius * this.h_ratio + this.options.node_label_distance,
+        opacity: opacity
+    })
+    var _color = this.model.get("color") || (this.model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color");
+    this.circle.strokeColor = _color;
+    var _pc = this.paper_coords;
+    this.all_buttons.forEach(function(b) {
+        b.moveTo(_pc);
+    });
+    var _img = this.model.get("image");
+    if (_img && _img !== this.img) {
+        var _image = new Image(),
+            _this = this;
+        _image.onload = function() {
+            if (_this.node_image) {
+                _this.node_image.remove();
+            }
+            _this.renderer.node_layer.activate();
+            var _ratio = Math.min(2 / _image.width, 2 / _image.height );
+            if (!_this.options.show_node_circles) {
+                _this.h_ratio = Math.min(1, _image.height / _image.width);
+            }
+            var _raster = new paper.Raster(_image);
+            if (_this.options.clip_node_images) {
+                var _clip = new paper.Path.Circle([0, 0], 1);
+                _raster.scale(_ratio);
+                _this.node_image = new paper.Group(_clip, _raster);
+                _this.node_image.opacity = .99;
+                /* This is a workaround to allow clipping at group level
+                 * If opacity was set to 1, paper.js would merge all clipping groups in one (known bug).
+                */
+                _this.node_image.clipped = true;
+                _clip.__representation = _this;
+            } else {
+                _this.node_image = _raster;
+            }
+            _this.node_image.__representation = _this;
+            var square = new paper.Size(_this.circle_radius, _this.circle_radius),
+                topleft = _this.paper_coords.subtract(square),
+                bounds = new paper.Rectangle(topleft, square.multiply(2));
+            _this.node_image.fitBounds(bounds);
+            _this.redraw();
+            paper.view.draw();
+        }
+        _image.src = _img;
+    }
+    this.img = _img;
+    if (this.node_image && !this.img) {
+        this.node_image.remove();
+        delete this.node_image;
+    }
+    
+    if (this.renderer.minimap) {
+        this.minimap_circle.fillColor = _color;
+        var minipos = this.renderer.toMinimapCoords(_model_coords),
+            miniradius = this.renderer.minimap.scale * _baseRadius,
+            minisize = new paper.Size([miniradius, miniradius]);
+        this.minimap_circle.fitBounds(minipos.subtract(minisize), minisize.multiply(2));
+    }
+    
+    if (!_dontRedrawEdges) {
+        Rkns._.each(this.project.get("edges").filter(function (ed) { return ((ed.to === this.model) || (ed.from === this.model));}), function(edge, index, list){
+            var repr = this.renderer.getRepresentationByModel(edge);
+            if(repr != null && typeof repr.from_representation.paper_coords !== "undefined" && typeof repr.to_representation.paper_coords !== "undefined") {
+                repr.redraw();
+            }
+        }, this);
+    }
+
+}
+
+Rkns.Renderer.Node.prototype.paperShift = function(_delta) {
+    if (this.options.editor_mode) {
+        if (!this.renkan.read_only) {
+            this.is_dragging = true;
+            this.paper_coords = this.paper_coords.add(_delta);
+            this.redraw();
+        }
+    } else {
+        this.renderer.paperShift(_delta);
+    }
+}
+
+Rkns.Renderer.Node.prototype.openEditor = function() {
+    this.renderer.removeRepresentationsOfType("editor");
+    var _editor = this.renderer.addRepresentation("NodeEditor",null);
+    _editor.source_representation = this;
+    _editor.draw();
+}
+
+Rkns.Renderer.Node.prototype.select = function() {
+    this.selected = true;
+    this.circle.strokeWidth = this.options.selected_node_stroke_width;
+    if (this.renderer.isEditable()) {
+        this.active_buttons.forEach(function(b) {
+            b.show();
+        });
+    }
+    var _uri = this.model.get("uri");
+    if (_uri) {
+        Rkns.$('.Rk-Bin-Item').each(function() {
+            var _el = Rkns.$(this);
+            if (_el.attr("data-uri") == _uri) {
+                _el.addClass("selected");
+            }
+        });
+    }
+    if (!this.options.editor_mode) {
+        this.openEditor();
+    }
+    
+    if (this.renderer.minimap) {
+        this.minimap_circle.strokeWidth = this.options.minimap_highlight_weight;
+        this.minimap_circle.strokeColor = this.options.minimap_highlight_color;
+    }
+    this.super("select");
+}
+
+Rkns.Renderer.Node.prototype.unselect = function(_newTarget) {
+    if (!_newTarget || _newTarget.source_representation !== this) {
+        this.selected = false;
+        this.all_buttons.forEach(function(b) {
+            b.hide();
+        });
+        this.circle.strokeWidth = this.options.node_stroke_width;
+        Rkns.$('.Rk-Bin-Item').removeClass("selected");
+        if (this.renderer.minimap) {
+            this.minimap_circle.strokeColor = undefined;
+        }
+        this.super("unselect");
+    }
+}
+    
+Rkns.Renderer.Node.prototype.highlight = function() {
+    if (this.highlighted) {
+        return;
+    }
+    this.highlighted = true;
+    this.redraw();
+    this.renderer.throttledPaperDraw();
+}
+
+Rkns.Renderer.Node.prototype.unhighlight = function() {
+    if (!this.highlighted) {
+        return;
+    }
+    this.highlighted = false;
+    this.redraw();
+    this.renderer.throttledPaperDraw();
+}
+
+Rkns.Renderer.Node.prototype.saveCoords = function() {
+    var _coords = this.renderer.toModelCoords(this.paper_coords),
+        _data = {
+            position: {
+                x: _coords.x,
+                y: _coords.y
+            }
+        };
+    if (this.renderer.isEditable()) {
+        this.model.set(_data);
+    }
+}
+
+Rkns.Renderer.Node.prototype.mousedown = function(_event, _isTouch) {
+    if (_isTouch) {
+        this.renderer.unselectAll();
+        this.select();
+    }
+}
+
+Rkns.Renderer.Node.prototype.mouseup = function(_event, _isTouch) {
+    if (this.renderer.is_dragging && this.renderer.isEditable()) {
+        this.saveCoords();
+    } else {
+        if (!_isTouch && !this.model.get("delete_scheduled")) {
+            this.openEditor();
+        }
+        this.model.trigger("clicked");
+    }
+    this.renderer.click_target = null;
+    this.renderer.is_dragging = false;
+    this.is_dragging = false;
+}
+
+Rkns.Renderer.Node.prototype.destroy = function(_event) {
+    this.super("destroy");
+    this.all_buttons.forEach(function(b) {
+        b.destroy();
+    });
+    this.circle.remove();
+    this.title.remove();
+    if (this.renderer.minimap) {
+        this.minimap_circle.remove();
+    }
+    if (this.node_image) {
+        this.node_image.remove();
+    }
+}
+
+/* */
+
+Rkns.Renderer.Edge = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+
+Rkns.Renderer.Edge.prototype._init = function() {
+    this.renderer.edge_layer.activate();
+    this.type = "Edge";
+    this.from_representation = this.renderer.getRepresentationByModel(this.model.get("from"));
+    this.to_representation = this.renderer.getRepresentationByModel(this.model.get("to"));
+    this.bundle = this.renderer.addToBundles(this);
+    this.line = new paper.Path();
+    this.line.add([0,0],[0,0],[0,0]);
+    this.line.__representation = this;
+    this.line.strokeWidth = this.options.edge_stroke_width;
+    this.arrow = new paper.Path();
+    this.arrow.add(
+        [ 0, 0 ],
+        [ this.options.edge_arrow_length, this.options.edge_arrow_width / 2 ],
+        [ 0, this.options.edge_arrow_width ]
+    );
+    this.arrow.__representation = this;
+    this.text = Rkns.$('<div class="Rk-Label Rk-Edge-Label">').appendTo(this.renderer.labels_$);
+    this.arrow_angle = 0;
+    if (this.options.editor_mode) {
+        this.normal_buttons = [
+            new Rkns.Renderer.EdgeEditButton(this.renderer, null),
+            new Rkns.Renderer.EdgeRemoveButton(this.renderer, null),
+        ];
+        this.pending_delete_buttons = [
+            new Rkns.Renderer.EdgeRevertButton(this.renderer, null)
+        ];
+        this.all_buttons = this.normal_buttons.concat(this.pending_delete_buttons)
+        for (var i = 0; i < this.all_buttons.length; i++) {
+            this.all_buttons[i].source_representation = this;
+        }
+        this.active_buttons = [];
+    } else {
+        this.active_buttons = this.all_buttons = [];
+    }
+    
+    if (this.renderer.minimap) {
+        this.renderer.minimap.edge_layer.activate();
+        this.minimap_line = new paper.Path();
+        this.minimap_line.add([0,0],[0,0]);
+        this.minimap_line.__representation = this.renderer.minimap.miniframe.__representation;
+        this.minimap_line.strokeWidth = 1;
+    }
+}
+
+Rkns.Renderer.Edge.prototype.redraw = function() {
+    this.from_representation = this.renderer.getRepresentationByModel(this.model.get("from"));
+    this.to_representation = this.renderer.getRepresentationByModel(this.model.get("to"));
+    if (!this.from_representation || !this.to_representation) {
+        return;
+    }
+    var _p0a = this.from_representation.paper_coords,
+        _p1a = this.to_representation.paper_coords,
+        _v = _p1a.subtract(_p0a),
+        _r = _v.length,
+        _u = _v.divide(_r),
+        _ortho = new paper.Point([- _u.y, _u.x]),
+        _group_pos = this.bundle.getPosition(this),
+        _delta = _ortho.multiply( this.options.edge_gap_in_bundles * _group_pos ),
+        _p0b = _p0a.add(_delta), /* Adding a 4 px difference */
+        _p1b = _p1a.add(_delta), /* to differentiate bundled links */
+        _a = _v.angle,
+        _textdelta = _ortho.multiply(this.options.edge_label_distance),
+        _handle = _v.divide(3),
+        _color = this.model.get("color") || this.model.get("color") || (this.model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color");
+    
+    if (this.model.get("delete_scheduled") || this.from_representation.model.get("delete_scheduled") || this.to_representation.model.get("delete_scheduled")) {
+        var opacity = .5;
+        this.line.dashArray = [2, 2];
+    } else {
+        var opacity = 1;
+        this.line.dashArray = null;
+    }
+    
+    var old_act_btn = this.active_buttons;
+    
+    this.active_buttons = this.model.get("delete_scheduled") ? this.pending_delete_buttons : this.normal_buttons;
+    
+    if (this.selected && this.renderer.isEditable() && old_act_btn !== this.active_buttons) {
+        old_act_btn.forEach(function(b) {
+            b.hide();
+        });
+        this.active_buttons.forEach(function(b) {
+            b.show();
+        });
+    }
+    
+    this.paper_coords = _p0b.add(_p1b).divide(2);
+    this.line.strokeColor = _color;
+    this.line.opacity = opacity;
+    this.line.segments[0].point = _p0a;
+    this.line.segments[1].point = this.paper_coords;
+    this.line.segments[1].handleIn = _handle.multiply(-1);
+    this.line.segments[1].handleOut = _handle;
+    this.line.segments[2].point = _p1a;
+    this.arrow.rotate(_a - this.arrow_angle);
+    this.arrow.fillColor = _color;
+    this.arrow.opacity = opacity;
+    this.arrow.position = this.paper_coords;
+    this.arrow_angle = _a;
+    if (_a > 90) {
+        _a -= 180;
+        _textdelta = _textdelta.multiply(-1);
+    }
+    if (_a < -90) {
+        _a += 180;
+        _textdelta = _textdelta.multiply(-1);
+    }
+    var _text = this.model.get("title") || this.renkan.translate(this.options.label_untitled_edges) || "";
+    _text = Rkns.Renderer.shortenText(_text, this.options.node_label_max_length);
+    this.text.text(_text);
+    var _textpos = this.paper_coords.add(_textdelta);
+    this.text.css({
+        left: _textpos.x,
+        top: _textpos.y,
+        transform: "rotate(" + _a + "deg)",
+        "-moz-transform": "rotate(" + _a + "deg)",
+        "-webkit-transform": "rotate(" + _a + "deg)",
+        opacity: opacity
+    });
+    this.text_angle = _a;
+    
+    var _pc = this.paper_coords;
+    this.all_buttons.forEach(function(b) {
+        b.moveTo(_pc);
+    });
+    
+    if (this.renderer.minimap) {
+        this.minimap_line.strokeColor = _color;
+        this.minimap_line.segments[0].point = this.renderer.toMinimapCoords(new paper.Point(this.from_representation.model.get("position")));
+         this.minimap_line.segments[1].point = this.renderer.toMinimapCoords(new paper.Point(this.to_representation.model.get("position")));
+    }
+}
+
+Rkns.Renderer.Edge.prototype.openEditor = function() {
+    this.renderer.removeRepresentationsOfType("editor");
+    var _editor = this.renderer.addRepresentation("EdgeEditor",null);
+    _editor.source_representation = this;
+    _editor.draw();
+}
+
+Rkns.Renderer.Edge.prototype.select = function() {
+    this.selected = true;
+    this.line.strokeWidth = this.options.selected_edge_stroke_width;
+    if (this.renderer.isEditable()) {
+        this.active_buttons.forEach(function(b) {
+            b.show();
+        });
+    }
+    if (!this.options.editor_mode) {
+        this.openEditor();
+    }
+    this.super("select");
+}
+
+Rkns.Renderer.Edge.prototype.unselect = function(_newTarget) {
+    if (!_newTarget || _newTarget.source_representation !== this) {
+        this.selected = false;
+        if (this.options.editor_mode) {
+            this.all_buttons.forEach(function(b) {
+                b.hide();
+            });
+        }
+        this.line.strokeWidth = this.options.edge_stroke_width;
+        this.super("unselect");
+    }
+}
+
+Rkns.Renderer.Edge.prototype.mousedown = function(_event, _isTouch) {
+    if (_isTouch) {
+        this.renderer.unselectAll();
+        this.select();
+    }
+}
+
+Rkns.Renderer.Edge.prototype.mouseup = function(_event, _isTouch) {
+    if (!this.renkan.read_only && this.renderer.is_dragging) {
+        this.from_representation.saveCoords();
+        this.to_representation.saveCoords();
+        this.from_representation.is_dragging = false;
+        this.to_representation.is_dragging = false;
+    } else {
+        if (!_isTouch) {
+            this.openEditor();
+        }
+        this.model.trigger("clicked");
+    }
+    this.renderer.click_target = null;
+    this.renderer.is_dragging = false;
+}
+
+Rkns.Renderer.Edge.prototype.paperShift = function(_delta) {
+    if (this.options.editor_mode) {
+        if (!this.options.read_only) {
+            this.from_representation.paperShift(_delta);
+            this.to_representation.paperShift(_delta);
+        }
+    } else {
+        this.renderer.paperShift(_delta);
+    }
+}
+
+Rkns.Renderer.Edge.prototype.destroy = function() {
+    this.super("destroy");
+    this.line.remove();
+    this.arrow.remove();
+    this.text.remove();
+    if (this.renderer.minimap) {
+        this.minimap_line.remove();
+    }
+    this.all_buttons.forEach(function(b) {
+        b.destroy();
+    });
+    var _this = this;
+    this.bundle.edges = Rkns._(this.bundle.edges).reject(function(_edge) {
+        return _edge === _this;
+    });
+}
+
+/* */
+
+Rkns.Renderer.TempEdge = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+
+Rkns.Renderer.TempEdge.prototype._init = function() {
+    this.renderer.edge_layer.activate();
+    this.type = "Temp-edge";
+    
+    var _color = (this.project.get("users").get(this.renkan.current_user) || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color");
+    this.line = new paper.Path();
+    this.line.strokeColor = _color;
+    this.line.dashArray = [4, 2];
+    this.line.strokeWidth = this.options.selected_edge_stroke_width;
+    this.line.add([0,0],[0,0]);
+    this.line.__representation = this;
+    this.arrow = new paper.Path();
+    this.arrow.fillColor = _color;
+    this.arrow.add(
+        [ 0, 0 ],
+        [ this.options.edge_arrow_length, this.options.edge_arrow_width / 2 ],
+        [ 0, this.options.edge_arrow_width ]
+    );
+    this.arrow.__representation = this;
+    this.arrow_angle = 0;
+}
+
+Rkns.Renderer.TempEdge.prototype.redraw = function() {
+    var _p0 = this.from_representation.paper_coords,
+        _p1 = this.end_pos,
+        _a = _p1.subtract(_p0).angle,
+        _c = _p0.add(_p1).divide(2);
+    this.line.segments[0].point = _p0;
+    this.line.segments[1].point = _p1;
+    this.arrow.rotate(_a - this.arrow_angle);
+    this.arrow.position = _c;
+    this.arrow_angle = _a;
+}
+
+Rkns.Renderer.TempEdge.prototype.paperShift = function(_delta) {
+    if (!this.renderer.isEditable()) {
+        this.renderer.removeRepresentation(_this);
+        paper.view.draw();
+        return;
+    }
+    this.end_pos = this.end_pos.add(_delta);
+    var _hitResult = paper.project.hitTest(this.end_pos);
+    this.renderer.findTarget(_hitResult);
+    this.redraw();
+}
+
+Rkns.Renderer.TempEdge.prototype.mouseup = function(_event, _isTouch) {
+    var _hitResult = paper.project.hitTest(_event.point),
+        _model = this.from_representation.model,
+        _endDrag = true;
+    if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
+        var _target = _hitResult.item.__representation;
+        if (_target.type.substr(0,4) === "Node") {
+            var _destmodel = _target.model || _target.source_representation.model;
+            if (_model !== _destmodel) {
+                var _data = {
+                    id: Rkns.Utils.getUID('edge'),
+                    created_by: this.renkan.current_user,
+                    from: _model,
+                    to: _destmodel
+                };
+                if (this.renderer.isEditable()) {
+                    this.project.addEdge(_data);
+                }
+            }
+        }
+        
+        if (_model === _target.model || (_target.source_representation && _target.source_representation.model === _model)) {
+            _endDrag = false;
+            this.renderer.is_dragging = true;
+        }
+    }
+    if (_endDrag) {
+        this.renderer.click_target = null;
+        this.renderer.is_dragging = false;
+        this.renderer.removeRepresentation(this);
+        paper.view.draw();
+    }
+}
+
+Rkns.Renderer.TempEdge.prototype.destroy = function() {
+    this.arrow.remove();
+    this.line.remove();
+}
+
+/* */
+
+Rkns.Renderer._BaseEditor = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+
+Rkns.Renderer._BaseEditor.prototype._init = function() {
+    this.renderer.buttons_layer.activate();
+    this.type = "editor";
+    this.editor_block = new paper.Path();
+    var _pts = Rkns._(Rkns._.range(8)).map(function() {return [0,0]});
+    this.editor_block.add.apply(this.editor_block, _pts);
+    this.editor_block.strokeWidth = this.options.tooltip_border_width;
+    this.editor_block.strokeColor = this.options.tooltip_border_color;
+    this.editor_block.opacity = .8;
+    this.editor_$ = Rkns.$('<div>')
+        .appendTo(this.renderer.editor_$)
+        .css({
+            position: "absolute",
+            opacity: .8
+        })
+        .hide();
+}
+
+Rkns.Renderer._BaseEditor.prototype.destroy = function() {
+    this.editor_block.remove();
+    this.editor_$.remove();
+}
+
+/* */
+
+Rkns.Renderer.NodeEditor = Rkns.Utils.inherit(Rkns.Renderer._BaseEditor);
+
+Rkns.Renderer.NodeEditor.prototype.template = Rkns._.template(
+    '<h2><span class="Rk-CloseX">&times;</span><%-renkan.translate("Edit Node")%></span></h2>'
+    + '<p><label><%-renkan.translate("Title:")%></label><input class="Rk-Edit-Title" type="text" value="<%-node.title%>"/></p>'
+    + '<p><label><%-renkan.translate("URI:")%></label><input class="Rk-Edit-URI" type="text" value="<%-node.uri%>"/><a class="Rk-Edit-Goto" href="<%-node.uri%>" target="_blank"></a></p>'
+    + '<p><label><%-renkan.translate("Description:")%></label><textarea class="Rk-Edit-Description"><%-node.description%></textarea></p>'
+    + '<p><span class="Rk-Editor-Label"><%-renkan.translate("Size:")%></span><a href="#" class="Rk-Edit-Size-Down">-</a><span class="Rk-Edit-Size-Value"><%-node.size%></span><a href="#" class="Rk-Edit-Size-Up">+</a></p>'
+    + '<div class="Rk-Editor-p"><span class="Rk-Editor-Label"><%-renkan.translate("Node color:")%></span><div class="Rk-Edit-ColorPicker-Wrapper"><span class="Rk-Edit-Color" style="background:<%-node.color%>;"><span class="Rk-Edit-ColorTip"></span></span><ul class="Rk-Edit-ColorPicker">'
+    + '<% _(Rkns.pickerColors).each(function(c) { %><li data-color="<%=c%>" style="background: <%=c%>"></li><% }); %></ul><span class="Rk-Edit-ColorPicker-Text"><%- renkan.translate("Choose color") %></span></div></div>'
+    + '<img class="Rk-Edit-ImgPreview" src="<%-node.image || node.image_placeholder%>" />'
+    + '<p><label><%-renkan.translate("Image URL:")%></label><input class="Rk-Edit-Image" type="text" value="<%-node.image%>"/></p>'
+    + '<p><label><%-renkan.translate("Choose Image File:")%></label><input class="Rk-Edit-Image-File" type="file" accept="image/*"/></p>'    
+    + '<% if (node.has_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span> <span class="Rk-UserColor" style="background:<%-node.created_by_color%>;"></span><%- Rkns.Renderer.shortenText(node.created_by_title, 25) %></p><% } %>'
+);
+
+Rkns.Renderer.NodeEditor.prototype.readOnlyTemplate = Rkns._.template(
+    '<h2><span class="Rk-CloseX">&times;</span><span class="Rk-UserColor" style="background:<%-node.color%>;"></span>'
+    + '<span class="Rk-Display-Title"><% if (node.uri) { %><a href="<%-node.uri%>" target="_blank"><% } %><%-node.title%><% if (node.uri) { %></a><% } %></span></h2>'
+    + '<% if (node.uri) { %><p class="Rk-Display-URI"><a href="<%-node.uri%>" target="_blank"><%-node.short_uri%></a></p><% } %>'
+    + '<p><%-node.description%></p>'
+    + '<% if (node.image) { %><img class="Rk-Display-ImgPreview" src="<%-node.image%>" /><% } %>'
+    + '<% if (node.has_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span><span class="Rk-UserColor" style="background:<%-node.created_by_color%>;"></span><%- Rkns.Renderer.shortenText(node.created_by_title, 25) %></p><% } %>'
+);
+
+Rkns.Renderer.NodeEditor.prototype.draw = function() {
+    var _model = this.source_representation.model,
+        _created_by = _model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan),
+        _template = (this.renderer.isEditable() ? this.template : this.readOnlyTemplate ),
+        _image_placeholder = this.options.static_url + "img/image-placeholder.png",
+        _size = (_model.get("size") || 0);
+    this.editor_$
+        .html(_template({
+            node: {
+                has_creator: !!_model.get("created_by"),
+                title: _model.get("title"),
+                uri: _model.get("uri"),
+                short_uri:  Rkns.Renderer.shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
+                description: _model.get("description"),
+                image: _model.get("image") || "",
+                image_placeholder: _image_placeholder,
+                color: _model.get("color") || _created_by.get("color"),
+                created_by_color: _created_by.get("color"),
+                created_by_title: _created_by.get("title"),
+                size: (_size > 0 ? "+" : "") + _size
+            },
+            renkan: this.renkan
+        }));
+    this.redraw();
+    var _this = this,
+        closeEditor = function() {
+            _this.renderer.removeRepresentation(_this);
+            paper.view.draw();
+        }
+        
+    this.editor_$.find(".Rk-CloseX").click(closeEditor);
+    
+    if (this.renderer.isEditable()) {
+        
+        var onFieldChange = Rkns._(function() {
+            Rkns._(function() {
+                if (_this.renderer.isEditable()) {
+                    var _uri = _this.editor_$.find(".Rk-Edit-URI").val(),
+                        _image = _this.editor_$.find(".Rk-Edit-Image").val();
+                    _this.editor_$.find(".Rk-Edit-ImgPreview").attr("src", _image || _image_placeholder);
+                    _this.editor_$.find(".Rk-Edit-Goto").attr("href",_uri);
+                    var _data = {
+                        title: _this.editor_$.find(".Rk-Edit-Title").val(),
+                        description: _this.editor_$.find(".Rk-Edit-Description").val(),
+                        uri: _uri,
+                        image: _image
+                    }
+                    _model.set(_data);
+                    _this.redraw();
+                } else {
+                    closeEditor();
+                }
+                
+            }).defer();
+        }).throttle(500);
+        
+        this.editor_$.on("keyup", function(_e) {
+            if (_e.keyCode === 27) {
+                closeEditor();
+            }
+        });
+        
+        this.editor_$.find("input, textarea").on("change keyup paste", onFieldChange);
+        
+        this.editor_$.find(".Rk-Edit-Image-File").change(function() {
+            if (this.files.length) {
+                var f = this.files[0],
+                    fr = new FileReader();
+                if (f.type.substr(0,5) !== "image") {
+                    alert(_this.renkan.translate("This file is not an image"));
+                    return;
+                }
+                if (f.size > (Rkns.Renderer._IMAGE_MAX_KB * 1024)) {
+                    alert(_this.renkan.translate("Image size must be under ")+Rkns.Renderer._IMAGE_MAX_KB+_this.renkan.translate("KB"));
+                    return;
+                }
+                fr.onload = function(e) {
+                    _this.editor_$.find(".Rk-Edit-Image").val(e.target.result);
+                    onFieldChange();
+                }
+                fr.readAsDataURL(f);
+            }
+        });
+        this.editor_$.find(".Rk-Edit-Title")[0].focus();
+        
+        var _picker = _this.editor_$.find(".Rk-Edit-ColorPicker");
+        
+        this.editor_$.find(".Rk-Edit-ColorPicker-Wrapper").hover(
+            function(_e) {
+                _e.preventDefault();
+                _picker.show();
+            },
+            function(_e) {
+                _e.preventDefault();
+                _picker.hide();
+            }
+        );
+        
+        _picker.find("li").hover(
+            function(_e) {
+                _e.preventDefault();
+                _this.editor_$.find(".Rk-Edit-Color").css("background", $(this).attr("data-color"));
+            },
+            function(_e) {
+                _e.preventDefault();
+                _this.editor_$.find(".Rk-Edit-Color").css("background", _model.get("color") || (_model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(_this.renkan)).get("color"))
+            }
+        ).click(function(_e) {
+            _e.preventDefault();
+            if (_this.renderer.isEditable()) {
+                _model.set("color", $(this).attr("data-color"));
+                _picker.hide();
+                paper.view.draw();
+            } else {
+                closeEditor();
+            }
+        });
+        
+        function shiftSize(n) {
+            if (_this.renderer.isEditable()) {
+                var _newsize = n+(_model.get("size") || 0);
+                _this.editor_$.find(".Rk-Edit-Size-Value").text((_newsize > 0 ? "+" : "") + _newsize);
+                _model.set("size", _newsize);
+                paper.view.draw();
+            } else {
+                closeEditor();
+            }
+        }
+        
+        this.editor_$.find(".Rk-Edit-Size-Down").click(function() {
+            shiftSize(-1);
+            return false;
+        });
+        this.editor_$.find(".Rk-Edit-Size-Up").click(function() {
+            shiftSize(1);
+            return false;
+        });
+    }
+    this.editor_$.find("img").load(function() {
+        _this.redraw();
+    });
+}
+
+Rkns.Renderer.NodeEditor.prototype.redraw = function() {
+    var _coords = this.source_representation.paper_coords;
+    Rkns.Renderer.drawEditBox(this.options, _coords, this.editor_block, this.source_representation.circle_radius * .75, this.editor_$);
+    this.editor_$.show();
+    paper.view.draw();
+}
+
+/* */
+
+Rkns.Renderer.EdgeEditor = Rkns.Utils.inherit(Rkns.Renderer._BaseEditor);
+
+Rkns.Renderer.EdgeEditor.prototype.template = Rkns._.template(
+    '<h2><span class="Rk-CloseX">&times;</span><%-renkan.translate("Edit Edge")%></span></h2>'
+    + '<p><label><%-renkan.translate("Title:")%></label><input class="Rk-Edit-Title" type="text" value="<%-edge.title%>"/></p>'
+    + '<p><label><%-renkan.translate("URI:")%></label><input class="Rk-Edit-URI" type="text" value="<%-edge.uri%>"/><a class="Rk-Edit-Goto" href="<%-edge.uri%>" target="_blank"></a></p>'
+    + '<% if (properties.length) { %><p><label><%-renkan.translate("Choose from vocabulary:")%></label><select class="Rk-Edit-Vocabulary">'
+    + '<% _(properties).each(function(ontology) { %><option class="Rk-Edit-Vocabulary-Class" value=""><%- renkan.translate(ontology.label) %></option>'
+    + '<% _(ontology.properties).each(function(property) { var uri = ontology["base-uri"] + property.uri; %><option class="Rk-Edit-Vocabulary-Property" value="<%- uri %>'
+    + '"<% if (uri === edge.uri) { %> selected<% } %>><%- renkan.translate(property.label) %></option>'
+    + '<% }) %><% }) %></select></p><% } %>'
+    + '<div class="Rk-Editor-p"><span class="Rk-Editor-Label"><%-renkan.translate("Edge color:")%></span><div class="Rk-Edit-ColorPicker-Wrapper"><span class="Rk-Edit-Color" style="background:<%-edge.color%>;"><span class="Rk-Edit-ColorTip"></span></span><ul class="Rk-Edit-ColorPicker">'
+    + '<% _(Rkns.pickerColors).each(function(c) { %><li data-color="<%=c%>" style="background: <%=c%>"></li><% }); %></ul><span class="Rk-Edit-ColorPicker-Text"><%- renkan.translate("Choose color") %></span></div></div>'
+    + '<p><span class="Rk-Edit-Direction"><%- renkan.translate("Change edge direction") %></span></p>'
+    + '<p><span class="Rk-Editor-Label"><%-renkan.translate("From:")%></span><span class="Rk-UserColor" style="background:<%-edge.from_color%>;"></span><%- Rkns.Renderer.shortenText(edge.from_title, 25) %></p>'
+    + '<p><span class="Rk-Editor-Label"><%-renkan.translate("To:")%></span><span class="Rk-UserColor" style="background:<%-edge.to_color%>;"></span><%- Rkns.Renderer.shortenText(edge.to_title, 25) %></p>'
+    + '<% if (edge.has_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span><span class="Rk-UserColor" style="background:<%-edge.created_by_color%>;"></span><%- Rkns.Renderer.shortenText(edge.created_by_title, 25) %></p><% } %>'
+);
+
+Rkns.Renderer.EdgeEditor.prototype.readOnlyTemplate = Rkns._.template(
+    '<h2><span class="Rk-CloseX">&times;</span><span class="Rk-UserColor" style="background:<%-edge.color%>;"></span>'
+    + '<span class="Rk-Display-Title"><% if (edge.uri) { %><a href="<%-edge.uri%>" target="_blank"><% } %><%-edge.title%><% if (edge.uri) { %></a><% } %></span></h2>'
+    + '<% if (edge.uri) { %><p class="Rk-Display-URI"><a href="<%-edge.uri%>" target="_blank"><%-edge.short_uri%></a></p><% } %>'
+    + '<p><%-edge.description%></p>'
+    + '<p><span class="Rk-Editor-Label"><%-renkan.translate("From:")%></span><span class="Rk-UserColor" style="background:<%-edge.from_color%>;"></span><%- Rkns.Renderer.shortenText(edge.from_title, 25) %></p>'
+    + '<p><span class="Rk-Editor-Label"><%-renkan.translate("To:")%></span><span class="Rk-UserColor" style="background:<%-edge.to_color%>;"></span><%- Rkns.Renderer.shortenText(edge.to_title, 25) %></p>'
+    + '<% if (edge.has_creator) { %><p><span class="Rk-Editor-Label"><%-renkan.translate("Created by:")%></span><span class="Rk-UserColor" style="background:<%-edge.created_by_color%>;"></span><%- Rkns.Renderer.shortenText(edge.created_by_title, 25) %></p><% } %>'
+);
+
+Rkns.Renderer.EdgeEditor.prototype.draw = function() {
+    var _model = this.source_representation.model,
+        _from_model = _model.get("from"),
+        _to_model = _model.get("to"),
+        _created_by = _model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan),
+        _template = (this.renderer.isEditable() ? this.template : this.readOnlyTemplate);
+    this.editor_$
+        .html(_template({
+            edge: {
+                has_creator: !!_model.get("created_by"),
+                title: _model.get("title"),
+                uri: _model.get("uri"),
+                short_uri:  Rkns.Renderer.shortenText((_model.get("uri") || "").replace(/^(https?:\/\/)?(www\.)?/,'').replace(/\/$/,''),40),
+                description: _model.get("description"),
+                color: _model.get("color") || _created_by.get("color"),
+                from_title: _from_model.get("title"),
+                to_title: _to_model.get("title"),
+                from_color: _from_model.get("color") || (_from_model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color"),
+                to_color: _to_model.get("color") || (_to_model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(this.renkan)).get("color"),
+                created_by_color: _created_by.get("color"),
+                created_by_title: _created_by.get("title")
+            },
+            renkan: this.renkan,
+            properties: this.options.properties
+        }));
+    this.redraw();
+    var _this = this,
+        closeEditor = function() {
+            _this.renderer.removeRepresentation(_this);
+            paper.view.draw();
+        }
+    this.editor_$.find(".Rk-CloseX").click(closeEditor);
+    
+    if (this.renderer.isEditable()) {
+        
+        var onFieldChange = Rkns._(function() {
+            Rkns._(function() {
+                if (_this.renderer.isEditable()) {
+                    _this.editor_$.find(".Rk-Edit-Goto").attr("href",_this.editor_$.find(".Rk-Edit-URI").val());
+                    var _data = {
+                        title: _this.editor_$.find(".Rk-Edit-Title").val(),
+                        uri: _this.editor_$.find(".Rk-Edit-URI").val()
+                    }
+                    _model.set(_data);
+                    paper.view.draw();
+                } else {
+                    closeEditor();
+                }
+            }).defer();
+        }).throttle(500);
+        
+        this.editor_$.on("keyup", function(_e) {
+            if (_e.keyCode === 27) {
+                closeEditor();
+            }
+        });
+        
+        this.editor_$.find("input").on("keyup change paste", onFieldChange);
+        
+        this.editor_$.find(".Rk-Edit-Vocabulary").change(function() {
+            var e = $(this),
+                v = e.val();
+            if (v) {
+                _this.editor_$.find(".Rk-Edit-Title").val(e.find(":selected").text());
+                _this.editor_$.find(".Rk-Edit-URI").val(v);
+                onFieldChange();
+            }
+        });
+        this.editor_$.find(".Rk-Edit-Direction").click(function() {
+            if (_this.renderer.isEditable()) {
+                _model.set({
+                    from: _model.get("to"),
+                    to: _model.get("from")
+                });
+                _this.draw();
+            } else {
+                closeEditor();
+            }
+        });
+        
+        var _picker = _this.editor_$.find(".Rk-Edit-ColorPicker");
+        
+        this.editor_$.find(".Rk-Edit-ColorPicker-Wrapper").hover(
+            function(_e) {
+                _e.preventDefault();
+                _picker.show();
+            },
+            function(_e) {
+                _e.preventDefault();
+                _picker.hide();
+            }
+        );
+        
+        _picker.find("li").hover(
+            function(_e) {
+                _e.preventDefault();
+                _this.editor_$.find(".Rk-Edit-Color").css("background", $(this).attr("data-color"));
+            },
+            function(_e) {
+                _e.preventDefault();
+                _this.editor_$.find(".Rk-Edit-Color").css("background", _model.get("color") || (_model.get("created_by") || Rkns.Renderer._USER_PLACEHOLDER(_this.renkan)).get("color"))
+            }
+        ).click(function(_e) {
+            _e.preventDefault();
+            if (_this.renderer.isEditable()) {
+                _model.set("color", $(this).attr("data-color"));
+                _picker.hide();
+                paper.view.draw();
+            } else {
+                closeEditor();
+            }
+        });
+    }
+}
+
+Rkns.Renderer.EdgeEditor.prototype.redraw = function() {
+    var _coords = this.source_representation.paper_coords;
+    Rkns.Renderer.drawEditBox(this.options, _coords, this.editor_block, 5, this.editor_$);
+    this.editor_$.show();
+    paper.view.draw();
+}
+
+/* */
+
+Rkns.Renderer._NodeButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+
+Rkns.Renderer._NodeButton.prototype.setSectorSize = function() {
+    var sectorInner = this.source_representation.circle_radius;
+    if (sectorInner !== this.lastSectorInner) {
+        if (this.sector) {
+            this.sector.destroy();
+        }
+        this.sector = this.renderer.drawSector(
+            this, 1 + sectorInner,
+            Rkns.Renderer._NODE_BUTTON_WIDTH + sectorInner,
+            this.startAngle,
+            this.endAngle,
+            1,
+            this.imageName,
+            this.renkan.translate(this.text)
+        );
+        this.lastSectorInner = sectorInner;
+    }
+}
+
+/* */
+
+Rkns.Renderer.NodeEditButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+
+Rkns.Renderer.NodeEditButton.prototype._init = function() {
+    this.type = "Node-edit-button";
+    this.lastSectorInner = 0;
+    this.startAngle = -135;
+    this.endAngle = -45;
+    this.imageName = "edit";
+    this.text = "Edit";
+}
+
+Rkns.Renderer.NodeEditButton.prototype.mouseup = function() {
+    if (!this.renderer.is_dragging) {
+        this.source_representation.openEditor();
+    }
+}
+
+/* */
+
+Rkns.Renderer.NodeRemoveButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+
+Rkns.Renderer.NodeRemoveButton.prototype._init = function() {
+    this.type = "Node-remove-button";
+    this.lastSectorInner = 0;
+    this.startAngle = 0;
+    this.endAngle = 90;
+    this.imageName = "remove";
+    this.text = "Remove";
+}
+
+Rkns.Renderer.NodeRemoveButton.prototype.mouseup = function() {
+    this.renderer.click_target = null;
+    this.renderer.is_dragging = false;
+    this.renderer.removeRepresentationsOfType("editor");
+    if (this.renderer.isEditable()) {
+        var delid = Rkns.Utils.getUID("delete");
+        this.renderer.delete_list.push({
+            id: delid,
+            time: new Date().valueOf() + this.options.element_delete_delay
+        });
+        this.source_representation.model.set("delete_scheduled", delid);
+    }
+}
+
+/* */
+
+Rkns.Renderer.NodeRevertButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+
+Rkns.Renderer.NodeRevertButton.prototype._init = function() {
+    this.type = "Node-revert-button";
+    this.lastSectorInner = 0;
+    this.startAngle = -135;
+    this.endAngle = 135;
+    this.imageName = "revert";
+    this.text = "Cancel deletion";
+}
+
+Rkns.Renderer.NodeRevertButton.prototype.mouseup = function() {
+    this.renderer.click_target = null;
+    this.renderer.is_dragging = false;
+    if (this.renderer.isEditable()) {
+        this.source_representation.model.unset("delete_scheduled");
+    }
+}
+
+/* */
+
+Rkns.Renderer.NodeLinkButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+
+Rkns.Renderer.NodeLinkButton.prototype._init = function() {
+    this.type = "Node-link-button";
+    this.lastSectorInner = 0;
+    this.startAngle = 90;
+    this.endAngle = 180;
+    this.imageName = "link";
+    this.text = "Link to another node";
+}
+
+Rkns.Renderer.NodeLinkButton.prototype.mousedown = function(_event, _isTouch) {
+    if (this.renderer.isEditable()) {
+        var _off = this.renderer.canvas_$.offset(),
+            _point = new paper.Point([
+                _event.pageX - _off.left,
+                _event.pageY - _off.top
+            ]);
+        this.renderer.click_target = null;
+        this.renderer.removeRepresentationsOfType("editor");
+        this.renderer.addTempEdge(this.source_representation, _point);
+    }
+}
+
+/* */
+
+Rkns.Renderer.NodeEnlargeButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+
+Rkns.Renderer.NodeEnlargeButton.prototype._init = function() {
+    this.type = "Node-enlarge-button";
+    this.lastSectorInner = 0;
+    this.startAngle = -45;
+    this.endAngle = 0;
+    this.imageName = "enlarge";
+    this.text = "Enlarge";
+}
+
+Rkns.Renderer.NodeEnlargeButton.prototype.mouseup = function() {
+    var _newsize = 1 + (this.source_representation.model.get("size") || 0);
+    this.source_representation.model.set("size", _newsize);
+    this.source_representation.select();
+    this.select();
+    paper.view.draw();
+}
+
+/* */
+
+Rkns.Renderer.NodeShrinkButton = Rkns.Utils.inherit(Rkns.Renderer._NodeButton);
+
+Rkns.Renderer.NodeShrinkButton.prototype._init = function() {
+    this.type = "Node-shrink-button";
+    this.lastSectorInner = 0;
+    this.startAngle = -180;
+    this.endAngle = -135;
+    this.imageName = "shrink";
+    this.text = "Shrink";
+}
+
+Rkns.Renderer.NodeShrinkButton.prototype.mouseup = function() {
+    var _newsize = -1 + (this.source_representation.model.get("size") || 0);
+    this.source_representation.model.set("size", _newsize);
+    this.source_representation.select();
+    this.select();
+    paper.view.draw();
+}
+
+/* */
+
+Rkns.Renderer.EdgeEditButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+
+Rkns.Renderer.EdgeEditButton.prototype._init = function() {
+    this.type = "Edge-edit-button";
+    this.sector = this.renderer.drawSector(this, Rkns.Renderer._EDGE_BUTTON_INNER, Rkns.Renderer._EDGE_BUTTON_OUTER, -270, -90, 1, "edit", this.renkan.translate("Edit"));
+}
+
+Rkns.Renderer.EdgeEditButton.prototype.mouseup = function() {
+    if (!this.renderer.is_dragging) {
+        this.source_representation.openEditor();
+    }
+}
+
+/* */
+
+Rkns.Renderer.EdgeRemoveButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+
+Rkns.Renderer.EdgeRemoveButton.prototype._init = function() {
+    this.type = "Edge-remove-button";
+    this.sector = this.renderer.drawSector(this, Rkns.Renderer._EDGE_BUTTON_INNER, Rkns.Renderer._EDGE_BUTTON_OUTER, -90, 90, 1, "remove", this.renkan.translate("Remove"));
+}
+
+Rkns.Renderer.EdgeRemoveButton.prototype.mouseup = function() {
+    this.renderer.click_target = null;
+    this.renderer.is_dragging = false;
+    this.renderer.removeRepresentationsOfType("editor");
+    if (this.renderer.isEditable()) {
+        var delid = Rkns.Utils.getUID("delete");
+        this.renderer.delete_list.push({
+            id: delid,
+            time: new Date().valueOf() + this.options.element_delete_delay
+        });
+        this.source_representation.model.set("delete_scheduled", delid);
+    }
+}
+
+/* */
+
+Rkns.Renderer.EdgeRevertButton = Rkns.Utils.inherit(Rkns.Renderer._BaseButton);
+
+Rkns.Renderer.EdgeRevertButton.prototype._init = function() {
+    this.type = "Edge-revert-button";
+    this.sector = this.renderer.drawSector(this, Rkns.Renderer._EDGE_BUTTON_INNER, Rkns.Renderer._EDGE_BUTTON_OUTER, -135, 135, 1, "revert", this.renkan.translate("Cancel deletion"));
+}
+
+Rkns.Renderer.EdgeRevertButton.prototype.mouseup = function() {
+    this.renderer.click_target = null;
+    this.renderer.is_dragging = false;
+    if (this.renderer.isEditable()) {
+        this.source_representation.model.unset("delete_scheduled");
+    }
+}
+
+/* */
+
+Rkns.Renderer.MiniFrame = Rkns.Utils.inherit(Rkns.Renderer._BaseRepresentation);
+
+Rkns.Renderer.MiniFrame.prototype.paperShift = function(_delta) {
+    this.renderer.offset = this.renderer.offset.subtract(_delta.divide(this.renderer.minimap.scale).multiply(this.renderer.scale));
+    this.renderer.redraw();
+}
+
+Rkns.Renderer.MiniFrame.prototype.mouseup = function(_delta) {
+    this.renderer.click_target = null;
+    this.renderer.is_dragging = false;
+}
+
+/* */
+
+Rkns.Renderer.Scene = function(_renkan) {
+    this.renkan = _renkan;
+    this.$ = Rkns.$(".Rk-Render");
+    this.representations = [];
+    this.$.html(this.template(_renkan));
+    this.onStatusChange();
+    this.canvas_$ = this.$.find(".Rk-Canvas");
+    this.labels_$ = this.$.find(".Rk-Labels");
+    this.editor_$ = this.$.find(".Rk-Editor");
+    this.notif_$ = this.$.find(".Rk-Notifications");
+    paper.setup(this.canvas_$[0]);
+    this.scale = 1;
+    this.offset = paper.view.center;
+    this.totalScroll = 0;
+    this.mouse_down = false;
+    this.click_target = null;
+    this.selected_target = null;
+    this.edge_layer = new paper.Layer();
+    this.node_layer = new paper.Layer();
+    this.buttons_layer = new paper.Layer();
+    this.delete_list = [];
+    
+    if (_renkan.options.show_minimap) {
+        this.minimap = {
+            background_layer: new paper.Layer(),
+            edge_layer: new paper.Layer(),
+            node_layer: new paper.Layer(),
+            node_group: new paper.Group(),
+            size: new paper.Size( _renkan.options.minimap_width, _renkan.options.minimap_height )
+        }
+        
+        this.minimap.background_layer.activate();
+        this.minimap.topleft = paper.view.bounds.bottomRight.subtract(this.minimap.size);
+        this.minimap.rectangle = new paper.Path.Rectangle(this.minimap.topleft.subtract([2,2]), this.minimap.size.add([4,4]));
+        this.minimap.rectangle.fillColor = _renkan.options.minimap_background_color;
+        this.minimap.rectangle.strokeColor = _renkan.options.minimap_border_color;
+        this.minimap.rectangle.strokeWidth = 4;
+        this.minimap.offset = new paper.Point(this.minimap.size.divide(2));
+        this.minimap.scale = .1;
+        
+        this.minimap.node_layer.activate();
+        this.minimap.cliprectangle = new paper.Path.Rectangle(this.minimap.topleft, this.minimap.size);
+        this.minimap.node_group.addChild(this.minimap.cliprectangle);
+        this.minimap.node_group.clipped = true;
+        this.minimap.miniframe = new paper.Path.Rectangle(this.minimap.topleft, this.minimap.size);
+        this.minimap.node_group.addChild(this.minimap.miniframe);
+        this.minimap.miniframe.fillColor = '#c0c0ff';
+        this.minimap.miniframe.opacity = .3;
+        this.minimap.miniframe.strokeColor = '#000080';
+        this.minimap.miniframe.strokeWidth = 3;
+        this.minimap.miniframe.__representation = new Rkns.Renderer.MiniFrame(this, null);
+    }
+    
+    this.throttledPaperDraw = Rkns._(function() {
+        paper.view.draw();
+    }).throttle(100);
+    
+    this.bundles = [];
+    this.click_mode = false;
+    
+    var _this = this,
+        _allowScroll = true,
+        _originalScale,
+        _zooming = false,
+        _lastTapDate,
+        _lastTapX,
+        _lastTapY;
+    
+    this.imageCache = {};
+    
+    ['edit', 'remove', 'link', 'enlarge', 'shrink', 'revert' ].forEach(function(imgname) {
+        var img = new Image();
+        img.src = _renkan.options.static_url + 'img/' + imgname + '.png';
+        _this.imageCache[imgname] = img;
+    });
+    
+    var throttledMouseMove = _.throttle(function(_event, _isTouch) {
+        _this.onMouseMove(_event, _isTouch);
+    }, Rkns.Renderer._MOUSEMOVE_RATE);
+    
+    this.canvas_$.on({
+        mousedown: function(_event) {
+            _event.preventDefault();
+            _this.onMouseDown(_event, false);
+        },
+        mousemove: function(_event) {
+            _event.preventDefault();
+            throttledMouseMove(_event, false);
+        },
+        mouseup: function(_event) {
+            _event.preventDefault();
+            _this.onMouseUp(_event, false);
+        },
+        mousewheel: function(_event, _delta) {
+            _event.preventDefault();
+            if (_allowScroll) {
+                _this.onScroll(_event, _delta);
+            }
+        },
+        touchstart: function(_event) {
+            _event.preventDefault();
+            var _touches = _event.originalEvent.touches[0];
+            if (
+                _renkan.options.allow_double_click
+                && new Date() - _lastTap < Rkns.Renderer._DOUBLETAP_DELAY
+                && ( Math.pow(_lastTapX - _touches.pageX, 2) + Math.pow(_lastTapY - _touches.pageY, 2) < Rkns.Renderer._DOUBLETAP_DISTANCE )
+            ) {
+                _lastTap = 0;
+                _this.onDoubleClick(_touches);
+            } else {
+                _lastTap = new Date();
+                _lastTapX = _touches.pageX;
+                _lastTapY = _touches.pageY;
+                _originalScale = _this.scale;
+                _zooming = false;
+                _this.onMouseDown(_touches, true);
+            }
+        },
+        touchmove: function(_event) {
+            _event.preventDefault();
+            _lastTap = 0;
+            if (_event.originalEvent.touches.length == 1) {
+                _this.onMouseMove(_event.originalEvent.touches[0], true);
+            } else {
+                if (!_zooming) {
+                    _this.onMouseUp(_event.originalEvent.touches[0], true);
+                    _this.click_target = null;
+                    _this.is_dragging = false;
+                    _zooming = true;
+                }
+                if (_event.originalEvent.scale === "undefined") {
+                    return;
+                }
+                var _newScale = _event.originalEvent.scale * _originalScale,
+                    _scaleRatio = _newScale / _this.scale,
+                    _newOffset = new paper.Point([
+                        _this.canvas_$.width(),
+                        _this.canvas_$.height()
+                    ]).multiply( .5 * ( 1 - _scaleRatio ) ).add(_this.offset.multiply( _scaleRatio ));
+                _this.setScale(_newScale, _this.offset);
+            }
+        },
+        touchend: function(_event) {
+            _event.preventDefault();
+            _this.onMouseUp(_event.originalEvent.changedTouches[0], true);
+        },
+        dblclick: function(_event) {
+            _event.preventDefault();
+            if (_renkan.options.allow_double_click) {
+                _this.onDoubleClick(_event);
+            }
+        },
+        mouseleave: function(_event) {
+            _event.preventDefault();
+            _this.onMouseUp(_event, false);
+            _this.click_target = null;
+            _this.is_dragging = false;
+        },
+        dragover: function(_event) {
+            _event.preventDefault();
+        },
+        dragenter: function(_event) {
+            _event.preventDefault();
+            _allowScroll = false;
+        },
+        dragleave: function(_event) {
+            _event.preventDefault();
+            _allowScroll = true;
+        },
+        drop: function(_event) {
+            _event.preventDefault();
+            _allowScroll = true;
+            var res = {};
+            Rkns._(_event.originalEvent.dataTransfer.types).each(function(t) {
+                try {
+                    res[t] = _event.originalEvent.dataTransfer.getData(t);
+                } catch(e) {}
+            });
+            var text = _event.originalEvent.dataTransfer.getData("Text");
+            if (typeof text === "string") {
+                switch(text[0]) {
+                    case "{":
+                    case "[":
+                        try {
+                            var data = JSON.parse(text);
+                            _(res).extend(data);
+                        }
+                        catch(e) {
+                            if (!res["text/plain"]) {
+                                res["text/plain"] = text;
+                            }
+                        }
+                    break;
+                    case "<":
+                        if (!res["text/html"]) {
+                            res["text/html"] = text;
+                        }
+                    break;
+                    default:
+                        if (!res["text/plain"]) {
+                            res["text/plain"] = text;
+                        }
+                }
+            }
+            var url = _event.originalEvent.dataTransfer.getData("URL");
+            if (url && !res["text/uri-list"]) {
+                res["text/uri-list"] = url;
+            }
+            _this.dropData(res, _event.originalEvent);
+        }
+    });
+    this.editor_$.find(".Rk-ZoomOut").click(function() {
+        var _newScale = _this.scale * Math.SQRT1_2,
+            _offset = new paper.Point([
+                _this.canvas_$.width(),
+                _this.canvas_$.height()
+            ]).multiply( .5 * ( 1 - Math.SQRT1_2 ) ).add(_this.offset.multiply( Math.SQRT1_2 ));
+        _this.setScale( _newScale, _offset );
+    });
+    this.editor_$.find(".Rk-ZoomIn").click(function() {
+        var _newScale = _this.scale * Math.SQRT2,
+            _offset = new paper.Point([
+                _this.canvas_$.width(),
+                _this.canvas_$.height()
+            ]).multiply( .5 * ( 1 - Math.SQRT2 ) ).add(_this.offset.multiply( Math.SQRT2 ));
+        _this.setScale( _newScale, _offset );
+    });
+    this.$.find(".Rk-CurrentUser").mouseenter(
+        function() { _this.$.find(".Rk-UserList").slideDown() }
+    );
+    this.$.find(".Rk-Users").mouseleave(
+        function() { _this.$.find(".Rk-UserList").slideUp(); }
+    );
+    this.$.find(".Rk-FullScreen-Button").click(function() {
+        var _isFull = document.fullScreen || document.mozFullScreen || document.webkitIsFullScreen,
+            _el = _this.renkan.$[0],
+            _requestMethods = ["requestFullScreen","mozRequestFullScreen","webkitRequestFullScreen"],
+            _cancelMethods = ["cancelFullScreen","mozCancelFullScreen","webkitCancelFullScreen"];
+        if (_isFull) {
+            for (var i = 0; i < _cancelMethods.length; i++) {
+                if (typeof document[_cancelMethods[i]] === "function") {
+                    document[_cancelMethods[i]]();
+                    break;
+                }
+            }
+        } else {
+            for (var i = 0; i < _requestMethods.length; i++) {
+                if (typeof _el[_requestMethods[i]] === "function") {
+                    _el[_requestMethods[i]]();
+                    break;
+                }
+            }
+        }
+    });
+    this.$.find(".Rk-AddNode-Button").click(function() {
+        if (_this.click_mode === Rkns.Renderer._CLICKMODE_ADDNODE) {
+            _this.click_mode = false;
+            _this.notif_$.hide();
+        } else {
+            _this.click_mode = Rkns.Renderer._CLICKMODE_ADDNODE;
+            _this.notif_$.text(_renkan.translate("Click on the background canvas to add a node")).fadeIn();
+        }
+    });
+    this.$.find(".Rk-AddEdge-Button").click(function() {
+        if (_this.click_mode === Rkns.Renderer._CLICKMODE_STARTEDGE || _this.click_mode === Rkns.Renderer._CLICKMODE_ENDEDGE) {
+            _this.click_mode = false;
+            _this.notif_$.hide();
+        } else {
+            _this.click_mode = Rkns.Renderer._CLICKMODE_STARTEDGE;
+            _this.notif_$.text(_renkan.translate("Click on a first node to start the edge")).fadeIn();
+        }
+    });
+    this.$.find(".Rk-Bookmarklet-Button")
+        .attr("href","javascript:" + Rkns.Renderer._BOOKMARKLET_CODE(_renkan))
+        .click(function(){
+            _this.notif_$
+                .text(_renkan.translate("Drag this button to your bookmark bar. When on a third-party website, click it to enable drag-and-drop from the website to Renkan."))
+                .fadeIn()
+                .delay(5000)
+                .fadeOut();
+            return false;
+        });
+    this.$.find(".Rk-TopBar-Button").mouseover(function() {
+        Rkns.$(this).find(".Rk-TopBar-Tooltip").show();
+    }).mouseout(function() {
+        Rkns.$(this).find(".Rk-TopBar-Tooltip").hide();
+    });
+    this.$.find(".Rk-Fold-Bins").click(function() {
+        var bins = _renkan.$.find(".Rk-Bins");
+        if (bins.offset().left < 0) {
+            bins.animate({left: 0},250);
+            _this.$.animate({left: 300},250,function() {
+                var w = _this.$.width();
+                paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
+            });
+            $(this).html("&laquo;");
+        } else {
+            bins.animate({left: -300},250);
+            _this.$.animate({left: 0},250,function() {
+                var w = _this.$.width();
+                paper.view.viewSize = new paper.Size([w, _this.canvas_$.height()]);
+            });
+            $(this).html("&raquo;");
+        }
+    });
+    
+    paper.view.onResize = function(_event) {
+        _this.offset = _this.offset.add(_event.delta.divide(2));
+        if (_this.minimap) {
+            _this.minimap.topleft = paper.view.bounds.bottomRight.subtract(_this.minimap.size)
+            _this.minimap.rectangle.fitBounds(_this.minimap.topleft.subtract([2,2]), _this.minimap.size.add([4,4]));
+            _this.minimap.cliprectangle.fitBounds(_this.minimap.topleft, _this.minimap.size);
+        }
+        _this.redraw();
+    }
+    
+    var _thRedraw = Rkns._.throttle(function() {
+        _this.redraw();
+    },50);
+    
+    this.addRepresentations("Node", this.renkan.project.get("nodes"));
+    this.addRepresentations("Edge", this.renkan.project.get("edges"));
+    this.renkan.project.on("change:title", function() {
+        _this.$.find(".Rk-PadTitle").val(_renkan.project.get("title"));
+    });
+    
+    this.$.find(".Rk-PadTitle").on("keyup input paste", function() {
+        _renkan.project.set({"title": $(this).val()});
+    })
+    
+    this.renkan.project.get("users").each(function(_user) {
+        _this.addUser(_user);
+    });
+    
+    this.renkan.project.on("add:users", function(_user) {
+        _this.addUser(_user);
+    });
+    this.renkan.project.on("add:nodes", function(_node) {
+        _this.addRepresentation("Node", _node);
+        _thRedraw();
+    });
+    this.renkan.project.on("add:edges", function(_edge) {
+        _this.addRepresentation("Edge", _edge);
+        _thRedraw();
+    });
+    this.renkan.project.on("change:title", function(_model, _title) {
+        var el = _this.$.find(".Rk-PadTitle");
+        if (el.is("input")) {
+            if (el.val() !== _title) {
+                el.val(_title);
+            }
+        } else {
+            el.text(_title);
+        }
+    });
+    
+    if (_renkan.options.size_bug_fix) {
+        var _delay = (
+            typeof _renkan.options.size_bug_fix === "number"
+            ? _renkan.options.size_bug_fix
+            : 500
+        );
+        window.setTimeout(
+            function() {
+                _this.fixSize(true);
+            },
+            _delay
+        );
+    }
+    
+    if (_renkan.options.force_resize) {
+        $(window).resize(function() {
+            _this.fixSize(false);
+        });
+    }
+    
+    this.redraw();
+    
+    window.setInterval(function() {
+        var _now = new Date().valueOf();
+        _this.delete_list.forEach(function(d) {
+            if (_now >= d.time) {
+                var el = _renkan.project.get("nodes").findWhere({"delete_scheduled":d.id});
+                if (el) {
+                    project.removeNode(el);
+                }
+                el = _renkan.project.get("edges").findWhere({"delete_scheduled":d.id});
+                if (el) {
+                    project.removeEdge(el);
+                }
+            }
+        });
+        _this.delete_list = _this.delete_list.filter(function(d) {
+            return _renkan.project.get("nodes").findWhere({"delete_scheduled":d.id}) || _renkan.project.get("edges").findWhere({"delete_scheduled":d.id})
+        });
+    }, 500);
+    
+    if (this.minimap) {
+        window.setInterval(function() {
+            _this.rescaleMinimap()
+        }, 2000);
+    }
+
+}
+
+Rkns.Renderer.Scene.prototype.template = Rkns._.template(
+    '<% if (options.show_top_bar) { %><div class="Rk-TopBar"><% if (!options.editor_mode) { %><h2 class="Rk-PadTitle"><%- project.get("title") || translate("Untitled project")%></h2>'
+    + '<% } else { %><input type="text" class="Rk-PadTitle" value="<%- project.get("title") || "" %>" placeholder="<%-translate("Untitled project")%>" /><% } %>'
+    + '<div class="Rk-Users"><div class="Rk-CurrentUser"><span class="Rk-CurrentUser-Color"></span><span class="Rk-CurrentUser-Name">&lt;unknown user&gt;</span></div><ul class="Rk-UserList"></ul></div>'
+    + '<div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-FullScreen-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Full Screen")%></div></div></div>'
+    + '<% if (options.editor_mode) { %>'
+    + '<div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-AddNode-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Node")%></div></div></div>'
+    + '<div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-AddEdge-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"><%-translate("Add Edge")%></div></div></div>'
+    + '<div class="Rk-TopBar-Separator"></div><div class="Rk-TopBar-Button Rk-Save-Button"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents"> </div></div></div>'
+    + '<div class="Rk-TopBar-Separator"></div><a class="Rk-TopBar-Button Rk-Bookmarklet-Button" href="#"><div class="Rk-TopBar-Tooltip"><div class="Rk-TopBar-Tooltip-Tip"></div><div class="Rk-TopBar-Tooltip-Contents">'
+    + '<%-translate("Renkan \'Drag-to-Add\' bookmarklet")%></div></div></a>'
+    + '<div class="Rk-TopBar-Separator"></div>'
+    + '<% } %></div><% } %>'
+    + '<div class="Rk-Editing-Space<% if (!options.show_top_bar) { %> Rk-Editing-Space-Full<% } %>">'
+    + '<div class="Rk-Labels"></div><canvas class="Rk-Canvas" resize></canvas><div class="Rk-Editor"><div class="Rk-Notifications"></div>'
+    + '<% if (options.show_bins) { %><div class="Rk-Fold-Bins">&laquo;</div><% } %>'
+    + '<div class="Rk-ZoomButtons"><div class="Rk-ZoomIn" title="<%-translate("Zoom In")%>"></div><div class="Rk-ZoomOut" title="<%-translate("Zoom Out")%>"></div></div>'
+    + '</div></div>'
+);
+
+Rkns.Renderer.Scene.prototype.fixSize = function(_autoscale) {
+    var w = this.$.width(),
+        h = this.$.height();
+    if (this.renkan.options.show_top_bar) {
+        h -= this.$.find(".Rk-TopBar").height();
+    }
+    this.canvas_$.attr({
+        width: w,
+        height: h
+    });
+    
+    paper.view.viewSize = new paper.Size([w, h]);
+    
+    if (_autoscale) {
+        this.autoScale();
+    }
+}
+
+Rkns.Renderer.Scene.prototype.drawSector = function(_repr, _inR, _outR, _startAngle, _endAngle, _padding, _imgname, _caption) {
+    var _options = this.renkan.options,
+        _startRads = _startAngle * Math.PI / 180,
+        _endRads = _endAngle * Math.PI / 180,
+        _img = this.imageCache[_imgname],
+        _span = _endRads - _startRads,
+        _startdx = - Math.sin(_startRads),
+        _startdy = Math.cos(_startRads),
+        _startXIn = Math.cos(_startRads) * _inR + _padding * _startdx,
+        _startYIn = Math.sin(_startRads) * _inR + _padding * _startdy,
+        _startXOut = Math.cos(_startRads) * _outR + _padding * _startdx,
+        _startYOut = Math.sin(_startRads) * _outR + _padding * _startdy,
+        _enddx = - Math.sin(_endRads),
+        _enddy = Math.cos(_endRads),
+        _endXIn = Math.cos(_endRads) * _inR - _padding * _enddx,
+        _endYIn = Math.sin(_endRads) * _inR - _padding * _enddy,
+        _endXOut = Math.cos(_endRads) * _outR - _padding * _enddx,
+        _endYOut = Math.sin(_endRads) * _outR - _padding * _enddy,
+        _centerR = (_inR + _outR)/2,
+        _centerRads = (_startRads + _endRads) / 2,
+        _centerX = Math.cos(_centerRads) * _centerR,
+        _centerY = Math.sin(_centerRads) * _centerR,
+        _centerXIn = Math.cos(_centerRads) * _inR,
+        _centerXOut = Math.cos(_centerRads) * _outR,
+        _centerYIn = Math.sin(_centerRads) * _inR,
+        _centerYOut = Math.sin(_centerRads) * _outR,
+        _textX = Math.cos(_centerRads) * (_outR + 3),
+        _textY = Math.sin(_centerRads) * (_outR + _options.buttons_label_font_size) + _options.buttons_label_font_size / 2,
+        _segments = [];
+    this.buttons_layer.activate();
+    var _path = new paper.Path();
+    _path.add([_startXIn, _startYIn]);
+    _path.arcTo([_centerXIn, _centerYIn], [_endXIn, _endYIn]);
+    _path.lineTo([_endXOut,  _endYOut]);
+    _path.arcTo([_centerXOut, _centerYOut], [_startXOut, _startYOut]);
+    _path.fillColor = _options.buttons_background;
+    _path.opacity = .5;
+    _path.closed = true;
+    _path.__representation = _repr;
+    var _text = new paper.PointText(_textX,_textY);
+    _text.characterStyle = {
+        fontSize: _options.buttons_label_font_size,
+        fillColor: _options.buttons_label_color
+    };
+    if (_textX > 2) {
+        _text.paragraphStyle.justification = 'left';
+    } else if (_textX < -2) {
+        _text.paragraphStyle.justification = 'right';
+    } else {
+        _text.paragraphStyle.justification = 'center';
+    }
+    _text.visible = false;
+    var _visible = false,
+        _restPos = new paper.Point(-200, -200),
+        _grp = new paper.Group([_path, _text]),
+        _delta = _grp.position,
+        _imgdelta = new paper.Point([_centerX, _centerY]),
+        _currentPos = new paper.Point(0,0);
+    _text.content = _caption;
+    _grp.visible = false;
+    _grp.position = _restPos;
+    var _res = {
+        show: function() {
+            _visible = true;
+            _grp.position = _currentPos.add(_delta);
+            _grp.visible = true;
+        },
+        moveTo: function(_point) {
+            _currentPos = _point;
+            if (_visible) {
+                _grp.position = _point.add(_delta);
+            }
+        },
+        hide: function() {
+            _visible = false;
+            _grp.visible = false;
+            _grp.position = _restPos;
+        },
+        select: function() {
+            _path.opacity = .8;
+            _text.visible = true;
+        },
+        unselect: function() {
+            _path.opacity = .5;
+            _text.visible = false;
+        },
+        destroy: function() {
+            _grp.remove();
+        }
+    }
+    function showImage() {
+        var _raster = new paper.Raster(_img);
+        _raster.position = _imgdelta.add(_grp.position).subtract(_delta);
+        _grp.addChild(_raster);
+    }
+    if (_img.width) {
+        showImage();
+    } else {
+        Rkns.$(_img).on("load",showImage);
+    }
+    
+    return _res
+}
+
+Rkns.Renderer.Scene.prototype.addToBundles = function(_edgeRepr) {
+    var _bundle = Rkns._(this.bundles).find(function(_bundle) {
+        return ( 
+            ( _bundle.from === _edgeRepr.from_representation && _bundle.to === _edgeRepr.to_representation )
+            || ( _bundle.from === _edgeRepr.to_representation && _bundle.to === _edgeRepr.from_representation )
+        );
+    });
+    if (typeof _bundle !== "undefined") {
+        _bundle.edges.push(_edgeRepr)
+    } else {
+        _bundle = {
+            from: _edgeRepr.from_representation,
+            to: _edgeRepr.to_representation,
+            edges: [ _edgeRepr ],
+            getPosition: function(_er) {
+                var _dir = (_er.from_representation === this.from) ? 1 : -1;
+                return _dir * ( Rkns._(this.edges).indexOf(_er) - (this.edges.length - 1) / 2 );
+            }
+        }
+        this.bundles.push(_bundle);
+    }
+    return _bundle;
+}
+
+Rkns.Renderer.Scene.prototype.isEditable = function() {
+    return (this.renkan.options.editor_mode && !this.renkan.read_only)
+}
+
+Rkns.Renderer.Scene.prototype.onStatusChange = function() {
+    var savebtn = this.$.find(".Rk-Save-Button"),
+        tip = savebtn.find(".Rk-TopBar-Tooltip-Contents");
+    if (this.renkan.read_only) {
+        savebtn.removeClass("disabled Rk-Save-Online").addClass("Rk-Save-ReadOnly");
+        tip.text(this.renkan.translate("Connection lost"));
+    } else {
+        if (this.renkan.options.snapshot_mode) {
+            savebtn.removeClass("Rk-Save-ReadOnly Rk-Save-Online");
+            tip.text(this.renkan.translate("Archive Project"));
+        } else {
+            savebtn.removeClass("disabled Rk-Save-ReadOnly").addClass("Rk-Save-Online");
+            tip.text(this.renkan.translate("Auto-save enabled"));
+        }
+    }
+}
+
+Rkns.Renderer.Scene.prototype.setScale = function(_newScale, _offset) {
+    if (_newScale > Rkns.Renderer._MIN_SCALE && _newScale < Rkns.Renderer._MAX_SCALE) {
+        this.scale = _newScale;
+        if (_offset) {
+            this.offset = _offset
+        }
+        this.redraw();
+    }
+}
+
+Rkns.Renderer.Scene.prototype.autoScale = function() {
+    var nodes = this.renkan.project.get("nodes")
+    if (nodes.length > 1) {
+        var _xx = nodes.map(function(_node) { return _node.get("position").x }),
+            _yy = nodes.map(function(_node) { return _node.get("position").y }),
+            _minx = Math.min.apply(Math, _xx),
+            _miny = Math.min.apply(Math, _yy),
+            _maxx = Math.max.apply(Math, _xx),
+            _maxy = Math.max.apply(Math, _yy);
+        var _scale = Math.max(Rkns.Renderer._MIN_SCALE, Math.min(Rkns.Renderer._MAX_SCALE, (paper.view.size.width - 2 * Rkns.Renderer._AUTOSCALE_MARGIN) / (_maxx - _minx), (paper.view.size.height - 2 * Rkns.Renderer._AUTOSCALE_MARGIN) / (_maxy - _miny)));
+        this.setScale(_scale, paper.view.center.subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(_scale)));
+    }
+    if (nodes.length === 1) {
+        this.setScale(1, paper.view.center.subtract(new paper.Point([nodes.at(0).get("position").x, nodes.at(0).get("position").y])));
+    }
+}
+
+Rkns.Renderer.Scene.prototype.redrawMiniframe = function() {
+    var topleft = this.toMinimapCoords(this.toModelCoords(new paper.Point([0,0]))),
+        bottomright = this.toMinimapCoords(this.toModelCoords(paper.view.bounds.bottomRight));
+    this.minimap.miniframe.fitBounds(topleft, bottomright);
+}
+
+Rkns.Renderer.Scene.prototype.rescaleMinimap = function() {
+    var nodes = this.renkan.project.get("nodes")
+    if (nodes.length > 1) {
+        var _xx = nodes.map(function(_node) { return _node.get("position").x }),
+            _yy = nodes.map(function(_node) { return _node.get("position").y }),
+            _minx = Math.min.apply(Math, _xx),
+            _miny = Math.min.apply(Math, _yy),
+            _maxx = Math.max.apply(Math, _xx),
+            _maxy = Math.max.apply(Math, _yy);
+        var _scale = Math.min(
+            this.scale * .8 * this.renkan.options.minimap_width / paper.view.bounds.width,
+            this.scale * .8 * this.renkan.options.minimap_height / paper.view.bounds.height,
+            ( this.renkan.options.minimap_width - 2 * Rkns.Renderer._MINIMAP_MARGIN ) / (_maxx - _minx),
+            ( this.renkan.options.minimap_height - 2 * Rkns.Renderer._MINIMAP_MARGIN ) / (_maxy - _miny)
+        );
+        this.minimap.offset = this.minimap.size.divide(2).subtract(new paper.Point([(_maxx + _minx) / 2, (_maxy + _miny) / 2]).multiply(_scale));
+        this.minimap.scale = _scale;
+    }
+    if (nodes.length === 1) {
+        this.minimap.scale = .1;
+        this.minimap.offset = this.minimap.size.divide(2).subtract(new paper.Point([nodes.at(0).get("position").x, nodes.at(0).get("position").y]).multiply(this.minimap.scale));
+    }
+    this.redraw();
+}
+
+Rkns.Renderer.Scene.prototype.toPaperCoords = function(_point) {
+    return _point.multiply(this.scale).add(this.offset);
+}
+
+Rkns.Renderer.Scene.prototype.toMinimapCoords = function(_point) {
+    return _point.multiply(this.minimap.scale).add(this.minimap.offset).add(this.minimap.topleft);
+}
+
+Rkns.Renderer.Scene.prototype.toModelCoords = function(_point) {
+    return _point.subtract(this.offset).divide(this.scale);
+}
+
+Rkns.Renderer.Scene.prototype.addRepresentation = function(_type, _model) {
+    var _repr = new Rkns.Renderer[_type](this, _model);
+    this.representations.push(_repr);
+    return _repr;
+}
+
+Rkns.Renderer.Scene.prototype.addRepresentations = function(_type, _collection) {
+    var _this = this;
+    _collection.forEach(function(_model) {
+        _this.addRepresentation(_type, _model);
+    });
+}
+
+Rkns.Renderer.Scene.prototype.userTemplate = Rkns._.template(
+    '<li class="Rk-User"><span class="Rk-UserColor" style="background:<%=background%>;"></span><%=name%></li>'
+);
+
+Rkns.Renderer.Scene.prototype.addUser = function(_user) {
+    if (_user.get("_id") === this.renkan.current_user) {
+        this.$.find(".Rk-CurrentUser-Name").text(_user.get("title"));
+        this.$.find(".Rk-CurrentUser-Color").css("background", _user.get("color"));
+    } else {
+        this.$.find(".Rk-UserList").append(
+            Rkns.$(
+                this.userTemplate({
+                    name: _user.get("title"),
+                    background: _user.get("color")
+                })
+            )
+        );
+    }
+}
+
+Rkns.Renderer.Scene.prototype.removeRepresentation = function(_representation) {
+    _representation.destroy();
+    this.representations = Rkns._(this.representations).reject(
+        function(_repr) {
+            return _repr == _representation
+        }
+    );
+}
+
+Rkns.Renderer.Scene.prototype.getRepresentationByModel = function(_model) {
+    return Rkns._(this.representations).find(function(_repr) {
+        return _repr.model === _model;
+    });
+}
+
+Rkns.Renderer.Scene.prototype.removeRepresentationsOfType = function(_type) {
+    var _representations = Rkns._(this.representations).filter(function(_repr) {
+            return _repr.type == _type;
+        }),
+        _this = this;
+    Rkns._(_representations).each(function(_repr) {
+        _this.removeRepresentation(_repr);
+    });
+}
+
+Rkns.Renderer.Scene.prototype.highlightModel = function(_model) {
+    var _repr = this.getRepresentationByModel(_model);
+    if (_repr) {
+        _repr.highlight();
+    }
+}
+
+Rkns.Renderer.Scene.prototype.unhighlightAll = function(_model) {
+    Rkns._(this.representations).each(function(_repr) {
+        _repr.unhighlight();
+    });
+}
+
+Rkns.Renderer.Scene.prototype.unselectAll = function(_model) {
+    Rkns._(this.representations).each(function(_repr) {
+        _repr.unselect();
+    });
+}
+
+Rkns.Renderer.Scene.prototype.redraw = function() {
+    Rkns._(this.representations).each(function(_representation) {
+        _representation.redraw(true);
+    });
+    if (this.minimap) {
+        this.redrawMiniframe();
+    }
+    paper.view.draw();
+}
+
+Rkns.Renderer.Scene.prototype.addTempEdge = function(_from, _point) {
+    var _tmpEdge = this.addRepresentation("TempEdge",null);
+    _tmpEdge.end_pos = _point;
+    _tmpEdge.from_representation = _from;
+    _tmpEdge.redraw();
+    this.click_target = _tmpEdge;
+}
+
+Rkns.Renderer.Scene.prototype.findTarget = function(_hitResult) {
+    if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
+        var _newTarget = _hitResult.item.__representation;
+        if (this.selected_target !== _hitResult.item.__representation) {
+            if (this.selected_target) {
+                this.selected_target.unselect(_newTarget);
+            }
+            _newTarget.select(this.selected_target);
+            this.selected_target = _newTarget;
+        }
+    } else {
+        if (this.selected_target) {
+            this.selected_target.unselect();
+        }
+        this.selected_target = null;
+    }
+}
+
+Rkns.Renderer.Scene.prototype.paperShift = function(_delta) {
+    this.offset = this.offset.add(_delta);
+    this.redraw();
+}
+
+Rkns.Renderer.Scene.prototype.onMouseMove = function(_event) {
+    var _off = this.canvas_$.offset(),
+        _point = new paper.Point([
+            _event.pageX - _off.left,
+            _event.pageY - _off.top
+        ]),
+        _delta = _point.subtract(this.last_point);
+    this.last_point = _point;
+    if (!this.is_dragging && this.mouse_down && _delta.length > Rkns.Renderer._MIN_DRAG_DISTANCE) {
+        this.is_dragging = true;
+    }
+    var _hitResult = paper.project.hitTest(_point);
+    if (this.is_dragging) {
+        if (this.click_target && typeof this.click_target.paperShift === "function") {
+            this.click_target.paperShift(_delta);
+        } else {
+            this.paperShift(_delta);
+        }
+    } else {
+        this.findTarget(_hitResult);
+    }
+    paper.view.draw();
+}
+
+Rkns.Renderer.Scene.prototype.onMouseDown = function(_event, _isTouch) {
+    var _off = this.canvas_$.offset(),
+        _point = new paper.Point([
+            _event.pageX - _off.left,
+            _event.pageY - _off.top
+        ]);
+    this.last_point = _point;
+    this.mouse_down = true;
+    if (!this.click_target || this.click_target.type !== "Temp-edge") {
+        this.removeRepresentationsOfType("editor");
+        this.is_dragging = false;
+        var _hitResult = paper.project.hitTest(_point);
+        if (_hitResult && typeof _hitResult.item.__representation !== "undefined") {
+            this.click_target = _hitResult.item.__representation;
+            this.click_target.mousedown(_event, _isTouch);
+        } else {
+            this.click_target = null;
+            if (this.isEditable() && this.click_mode === Rkns.Renderer._CLICKMODE_ADDNODE) {
+                var _coords = this.toModelCoords(_point),
+                    _data = {
+                        id: Rkns.Utils.getUID('node'),
+                        created_by: this.renkan.current_user,
+                        position: {
+                            x: _coords.x,
+                            y: _coords.y
+                        }
+                    };
+                    _node = this.renkan.project.addNode(_data);
+                this.getRepresentationByModel(_node).openEditor();
+            }
+        }
+    }
+    if (this.click_mode) {
+        if (this.isEditable() && this.click_mode === Rkns.Renderer._CLICKMODE_STARTEDGE && this.click_target && this.click_target.type === "Node") {
+            this.removeRepresentationsOfType("editor");
+            this.addTempEdge(this.click_target, _point);
+            this.click_mode = Rkns.Renderer._CLICKMODE_ENDEDGE;
+            this.notif_$.fadeOut(function() {
+                Rkns.$(this).html(_renkan.translate("Click on a second node to complete the edge")).fadeIn();
+            });
+        } else {
+            this.notif_$.hide();
+            this.click_mode = false;
+        }
+    }
+    paper.view.draw();
+}
+
+Rkns.Renderer.Scene.prototype.onMouseUp = function(_event, _isTouch) {
+    this.mouse_down = false;
+    if (this.click_target) {
+        var _off = this.canvas_$.offset();
+        this.click_target.mouseup(
+            {
+                point: new paper.Point([
+                    _event.pageX - _off.left,
+                    _event.pageY - _off.top
+                ])
+            },
+            _isTouch
+        );
+    } else {
+        this.click_target = null;
+        this.is_dragging = false;
+        if (_isTouch) {
+            this.unselectAll();
+        }
+    }
+    paper.view.draw();
+}
+
+Rkns.Renderer.Scene.prototype.onScroll = function(_event, _scrolldelta) {
+    this.totalScroll += _scrolldelta;
+    if (Math.abs(this.totalScroll) >= 1) {
+        var _off = this.canvas_$.offset(),
+            _delta = new paper.Point([
+                _event.pageX - _off.left,
+                _event.pageY - _off.top
+            ]).subtract(this.offset).multiply( Math.SQRT2 - 1 );
+        if (this.totalScroll > 0) {
+            this.setScale( this.scale * Math.SQRT2, this.offset.subtract(_delta) );
+        } else {
+            this.setScale( this.scale * Math.SQRT1_2, this.offset.add(_delta.divide(Math.SQRT2)));
+        }
+        this.totalScroll = 0;
+    }
+}
+
+Rkns.Renderer.Scene.prototype.onDoubleClick = function(_event) {
+    if (!this.isEditable()) {
+        return;
+    }
+    var _off = this.canvas_$.offset(),
+        _point = new paper.Point([
+            _event.pageX - _off.left,
+            _event.pageY - _off.top
+        ]);
+    var _hitResult = paper.project.hitTest(_point);
+    if (this.isEditable() && (!_hitResult || typeof _hitResult.item.__representation === "undefined")) {
+        var _coords = this.toModelCoords(_point),
+            _data = {
+                id: Rkns.Utils.getUID('node'),
+                created_by: this.renkan.current_user,
+                position: {
+                    x: _coords.x,
+                    y: _coords.y
+                }
+            };
+            _node = this.renkan.project.addNode(_data);
+            this.getRepresentationByModel(_node).openEditor();
+    }
+    paper.view.draw();
+}
+
+Rkns.Renderer.Scene.prototype.dropData = function(_data, _event) {
+    if (!this.isEditable()) {
+        return;
+    }
+    if (_data["text/json"] || _data["application/json"]) {
+        try {
+            var jsondata = JSON.parse(_data["text/json"] || _data["application/json"]);
+            _(_data).extend(jsondata);
+        }
+        catch(e) {}
+    }
+    var newNode = {};
+    switch(_data["text/x-iri-specific-site"]) {
+        case "twitter":
+            var snippet = Rkns.$('<div>').html(_data["text/x-iri-selected-html"]),
+                tweetdiv = snippet.find(".tweet")
+            newNode.title = _renkan.translate("Tweet by ") + tweetdiv.attr("data-name");
+            newNode.uri = "http://twitter.com/" + tweetdiv.attr("data-screen-name") + "/status/" + tweetdiv.attr("data-tweet-id");
+            newNode.image = tweetdiv.find(".avatar").attr("src");
+            newNode.description = tweetdiv.find(".js-tweet-text:first").text();
+        break;
+        case "google":
+            var snippet = Rkns.$('<div>').html(_data["text/x-iri-selected-html"]);
+            newNode.title = snippet.find("h3:first").text().trim();
+            newNode.uri = snippet.find("h3 a").attr("href");
+            newNode.description = snippet.find(".st:first").text().trim();
+        break;
+        case undefined:
+        default:
+            if (_data["text/x-iri-source-uri"]) {
+                newNode.uri = _data["text/x-iri-source-uri"];
+            }
+            if (_data["text/plain"] || _data["text/x-iri-selected-text"]) {
+                newNode.description = (_data["text/plain"] || _data["text/x-iri-selected-text"]).replace(/[\s\n]+/gm,' ').trim();
+            }
+            if (_data["text/html"] || _data["text/x-iri-selected-html"]) {
+                var snippet = Rkns.$('<div>').html(_data["text/html"] || _data["text/x-iri-selected-html"]);
+                var _imgs = snippet.find("img");
+                if (_imgs.length) {
+                    newNode.image = _imgs[0].src;
+                }
+                var _as = snippet.find("a");
+                if (_as.length) {
+                    newNode.uri = _as[0].href;
+                }
+                newNode.title = snippet.find("[title]").attr("title") || newNode.title;
+                newNode.description = snippet.text().replace(/[\s\n]+/gm,' ').trim();
+            }
+            if (_data["text/uri-list"]) {
+                newNode.uri = _data["text/uri-list"];
+            }
+            if (_data["text/x-moz-url"] && !newNode.title) {
+                newNode.title = (_data["text/x-moz-url"].split("\n")[1] || "").trim();
+                if (newNode.title === newNode.uri) {
+                    newNode.title = false;
+                }
+            }
+            if (_data["text/x-iri-source-title"] && !newNode.title) {
+                newNode.title = _data["text/x-iri-source-title"];
+            }
+            if (_data["text/html"] || _data["text/x-iri-selected-html"]) {
+                newNode.image = snippet.find("[data-image]").attr("data-image") || newNode.image;
+                newNode.uri = snippet.find("[data-uri]").attr("data-uri") || newNode.uri;
+                newNode.title = snippet.find("[data-title]").attr("data-title") || newNode.title;
+                newNode.description = snippet.find("[data-description]").attr("data-description") || newNode.description;
+            }
+    }
+    if (!newNode.title) {
+        newNode.title = this.renkan.translate("Dragged resource");
+    }
+    var fields = ["title", "description", "uri", "image"];
+    for (var i = 0; i < fields.length; i++) {
+        var f = fields[i];
+        if (_data["text/x-iri-" + f] || _data[f]) {
+            newNode[f] = _data["text/x-iri-" + f] || _data[f];
+        }
+        if (newNode[f] === "none" || newNode[f] === "null") {
+            newNode[f] = undefined;
+        }
+    }
+    var _off = this.canvas_$.offset(),
+        _point = new paper.Point([
+            _event.pageX - _off.left,
+            _event.pageY - _off.top
+        ]),
+        _coords = this.toModelCoords(_point),
+        _nodedata = {
+            id: Rkns.Utils.getUID('node'),
+            created_by: this.renkan.current_user,
+            uri: newNode.uri || "",
+            title: newNode.title || "",
+            description: newNode.description || "",
+            image: newNode.image || "",
+            color: newNode.color || undefined,
+            position: {
+                x: _coords.x,
+                y: _coords.y
+            }
+        };
+    var _node = this.renkan.project.addNode(_nodedata),
+        _repr = this.getRepresentationByModel(_node);
+    if (_event.type === "drop") {
+        _repr.openEditor();
+    }
+}
diff -r c472984db275 -r 1615c7e4ef9d src/js/libs/underscore-min.js
--- a/src/js/libs/underscore-min.js	Wed Apr 03 15:44:17 2013 +0200
+++ b/src/js/libs/underscore-min.js	Tue Apr 23 15:23:20 2013 +0200
@@ -1,32 +1,1 @@
-// Underscore.js 1.3.3
-// (c) 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
-// Underscore is freely distributable under the MIT license.
-// Portions of Underscore are inspired or borrowed from Prototype,
-// Oliver Steele's Functional, and John Resig's Micro-Templating.
-// For all details and documentation:
-// http://documentcloud.github.com/underscore
-(function(){function r(a,c,d){if(a===c)return 0!==a||1/a==1/c;if(null==a||null==c)return a===c;a._chain&&(a=a._wrapped);c._chain&&(c=c._wrapped);if(a.isEqual&&b.isFunction(a.isEqual))return a.isEqual(c);if(c.isEqual&&b.isFunction(c.isEqual))return c.isEqual(a);var e=l.call(a);if(e!=l.call(c))return!1;switch(e){case "[object String]":return a==""+c;case "[object Number]":return a!=+a?c!=+c:0==a?1/a==1/c:a==+c;case "[object Date]":case "[object Boolean]":return+a==+c;case "[object RegExp]":return a.source==
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diff -r c472984db275 -r 1615c7e4ef9d src/widgets/Renkan.css
--- a/src/widgets/Renkan.css	Wed Apr 03 15:44:17 2013 +0200
+++ b/src/widgets/Renkan.css	Tue Apr 23 15:23:20 2013 +0200
@@ -1,51 +1,70 @@
 
-.Ldt-Renkan {
-    position: relative;
+.Ldt-Renkan-Container {
+    position: relative; width: 100%; height: 100%;
 }
 
 .Ldt-Renkan a {
     color: #303080;
 }
 
-.Rk-ProjectList {
-    position: absolute; left: 0; top: 0; list-style: none; padding: 0; margin: 0;
-}
 
-.Rk-Project {
-    list-style: none; margin-right: 5px; padding: 5px; height: 15px; font-size: 13px; font-weight: bold;
-    float: left; border-top-left-radius: 8px; border-top-right-radius: 8px;
-    background: #505050; color: #E0E0E0; cursor: pointer;
-    background: -moz-linear-gradient(top, #333333 20%, #666666 80%);
-}
-
-.Rk-Project:hover {
-    background: -moz-linear-gradient(bottom, #333333 20%, #666666 80%);
-}
-
-.Rk-Project.active {
-    background: #505080;
-    color: #ffffc0;
-    background: -moz-linear-gradient(bottom, #333366 20%, #666699 80%);
-}
-.Rk-Render, .Rk-Canvas {
-    position: absolute; left: 0; top: 0; width: 600px; height: 500px;
-    overflow: hidden;
+.Rk-Main {
+    position: absolute; left: 0; top: 0; right: 0; bottom: 0;
 }
 
 .Rk-Render {
-    top: 25px;
-    background: -moz-linear-gradient(top, rgba(180,180,180,.2) 0, rgba(255,255,255,.2) 30%, rgba(255,255,255,.2) 70%, rgba(180,180,180,.2) 100%);
-    background: -webkit-linear-gradient(top, rgba(180,180,180,.2) 0, rgba(255,255,255,.2) 30%, rgba(255,255,255,.2) 70%, rgba(180,180,180,.2) 100%);
+    position: absolute; left: 0; top: 0; right: 0; bottom: 0;
+    background: #ffffff;
+}
+
+/* Canvas */
+
+.Rk-Editing-Space {
+    position: absolute; left: 0; top: 35px; right: 0; bottom: 0; overflow: hidden;
+    background: -moz-radial-gradient( center, circle, #ffffff 40%, #e0e0e0 90%);
+    background: -webkit-radial-gradient( center, circle, #ffffff 40%, #e0e0e0 90%);
+    background: -ms-radial-gradient( center, circle, #ffffff 40%, #e0e0e0 90%);
+}
+
+.Rk-Editing-Space-Full {
+    top: 0;
 }
 
 .Rk-Canvas {
-    top: 0;
-    background: -moz-linear-gradient(left, rgba(180,180,180,.2) 0, rgba(255,255,255,.2) 30%, rgba(255,255,255,.2) 70%, rgba(180,180,180,.2) 100%);
-    background: -webkit-linear-gradient(left, rgba(180,180,180,.2) 0, rgba(255,255,255,.2) 30%, rgba(255,255,255,.2) 70%, rgba(180,180,180,.2) 100%);
+    position: absolute; left: 0; top: 0; right: 0; bottom: 0; z-index: 2;
+}
+
+/* Node Labels */
+
+.Rk-Labels {
+    position: absolute; left: 0; top: 0; z-index: 1;
+    font-family: "Segoe UI", "Helvetica Neue", Arial, Helvetica, sans-serif;
+}
+
+.Rk-Label {
+    position: absolute; width: 160px; margin-left: -80px; text-align: center; font-size: 13px; line-height: 13px;
 }
 
+.Rk-Edge-Label {
+    font-size: 11px; transform-origin: 50% 0; -moz-transform-origin: 50% 0;
+    -webkit-transform-origin: 50% 0; -ms-transform-origin: 50% 0;
+}
+
+/* Editors */
+
 .Rk-Editor {
-    position: absolute; left: 0; top: 0;
+    position: absolute; left: 0; top: 0; z-index: 3;
+}
+
+.Rk-Notifications {
+    position: absolute; right: 15px; top: 15px; width: 200px;
+    padding: 10px; border-radius: 8px; display: none;
+    color: #ffffff; font-size: 13px; text-align: center; font-weight: bold;
+    background: rgba(20,20,20,.7);
+    background: -moz-linear-gradient(top, rgba(40,40,40,.7) 20%, rgba(0,0,0,.7) 80%);
+    background: -webkit-linear-gradient(top, rgba(40,40,40,.7) 20%, rgba(0,0,0,.7) 80%);
+    background: -ms-linear-gradient(top, rgba(40,40,40,.7) 20%, rgba(0,0,0,.7) 80%);
+    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#202020', endColorstr='#000000',GradientType=0 );
 }
 
 .Rk-CloseX {
@@ -53,31 +72,43 @@
 }
 
 .Rk-Editor h2 {
-    font-size: 16px; font-weight: bold;
+    font-size: 16px; font-weight: bold; padding: 0;
 }
 
-.Rk-Editor p {
-    margin: 5px 0; font-size: 12px;
+.Rk-Editor p, .Rk-Editor-p {
+    margin: 5px 0; font-size: 12px; clear: both; padding: 0;
 }
 
-.Rk-RelatedList {
-    list-style: none; padding: 0; margin: 0;
+.Rk-Editor-Label {
+    float: left; width: 80px;
 }
 
-.Rk-Related {
-    list-style: none; color: #a000c0; cursor: pointer; margin: 5px 0;
+.Rk-UserColor {
+    display: inline-block; width: 12px; height: 12px; border: 1px solid #666666; margin: -2px 2px;
 }
 
-.Rk-Related b {
-    font-weight: bolder;
+.Rk-Display-Title a {
+    text-decoration: none; color: #000000;
 }
 
-.Rk-Related:hover {
+.Rk-Display-Title a:hover {
     text-decoration: underline;
 }
 
+.Rk-Display-URI {
+    font-style: italic;
+}
+
+.Rk-Display-ImgPreview {
+    margin: 5px auto; display: block; max-width: 255px !important; max-height: 120px !important;
+}
+
+.Rk-ZoomButtons {
+    position: absolute; left: 0; top: 35px; cursor: pointer;
+}
+
 .Rk-ZoomIn, .Rk-ZoomOut {
-    width: 21px; height: 20px; background: url(img/zoombuttons.png); margin: 5px; cursor: pointer;
+    width: 21px; height: 20px; background: url(../img/zoombuttons.png); margin: 5px;
 }
 
 .Rk-ZoomIn:hover {
@@ -91,3 +122,4 @@
 .Rk-ZoomOut:hover {
     background-position: -21px -20px;
 }
+
diff -r c472984db275 -r 1615c7e4ef9d src/widgets/Renkan.js
--- a/src/widgets/Renkan.js	Wed Apr 03 15:44:17 2013 +0200
+++ b/src/widgets/Renkan.js	Tue Apr 23 15:23:20 2013 +0200
@@ -18,87 +18,100 @@
 }
 
 IriSP.Widgets.Renkan.prototype.template =
-    '<div class="Ldt-Renkan"></div>';
+    '<div class="Ldt-Renkan-Container"><div class="Ldt-Renkan"></div></div>';
 
 IriSP.Widgets.Renkan.prototype.draw = function() {
     this.renderTemplate();
     var _id = IriSP.Model.getUID();
     this.$.find(".Ldt-Renkan").attr("id", _id);
     this.renkan = new Rkns.Renkan({
-        container: _id
+        container: _id,
+        editor_mode: false,
+        show_bins: false,
+        show_top_bar: false,
+        force_resize: true,
+        language: IriSP.language
     });
-    if (typeof this.data === "string") {
-        this.data = [ this.data ];
-    }
+    this.node_times = [];
     var _this = this,
         _list = this.getWidgetAnnotations();
-    this.node_times = [];
-    Rkns._(this.data).each(function(_url, _key) {
-        var _opts = {
-            url: _url
-        }
-        if (!_key) {
-            _opts.callback = function(_p) {
-                _this.renkan.renderProject(_p);
-            }
-        }
-        var _proj = _this.renkan.addProject(_opts);
-        _proj.on("add:nodes", function(_node) {
-            var _uri = _node.get("uri"),
-                _annmatch = _uri.match(_this.annotation_regexp);
-            if (_annmatch) {
-                var _annotations = _list.filter(function(_ann) {
-                    return _ann.getMedia().id == _annmatch[1] && _ann.id == _annmatch[2];
+    this.renkan.project.on("add:nodes", function(_node) {
+        var _uri = _node.get("uri"),
+            _annmatch = _uri.match(_this.annotation_regexp);
+        if (_annmatch) {
+            var _annotations = _list.filter(function(_ann) {
+                return _ann.getMedia().id == _annmatch[1] && _ann.id == _annmatch[2];
+            });
+            _annotations.forEach(function(_ann) {
+                var _duration = _ann.getDuration(),
+                    _preroll = + ( _duration < _this.min_duration ) * ( _this.min_duration / 2);
+                var _nt = {
+                    uri: _uri,
+                    selected: false,
+                    node: _node,
+                    begin: _ann.begin - _preroll,
+                    end: _ann.end + _preroll
+                }
+                _this.node_times.push(_nt);
+                var _annselected = false,
+                    _nodeselected = false;
+                _ann.on("select", function() {
+                    _annselected = true;
+                    if (!_nodeselected) {
+                        _node.trigger("select",true);
+                    }
                 });
-                _annotations.forEach(function(_ann) {
-                    var _duration = _ann.getDuration(),
-                        _preroll = + ( _duration < _this.min_duration ) * ( _this.min_duration / 2);
-                    var _nt = {
-                        selected: false,
-                        node: _node,
-                        begin: _ann.begin - _preroll,
-                        end: _ann.end + _preroll
+                _node.on("selected", function() {
+                    _nodeselected = true;
+                    if (!_annselected) {
+                        _ann.trigger("select",true);
+                    }
+                });
+                _ann.on("unselect", function() {
+                    _annselected = false;
+                    if (_nodeselected) {
+                        _node.trigger("unselect",true);
                     }
-                    _this.node_times.push(_nt);
-                    _ann.on("select", function(_stop) {
-                        if (!_stop) {
-                            _node.trigger("select",true);
-                        }
-                    });
-                    _node.on("select", function(_stop) {
-                        if (!_stop) {
-                            _ann.trigger("select",true);
-                        }
-                    });
-                    _ann.on("unselect", function(_stop) {
-                        if (!_stop) {
-                            _node.trigger("unselect",true);
-                        }
-                    });
-                    _node.on("unselect", function(_stop) {
-                        _nt.selected = false;
-                        if (!_stop) {
-                            _ann.trigger("unselect",true);
-                        }
-                    });
-                    _node.on("click", function() {
-                        _this.media.setCurrentTime(_ann.begin);
-                        _this.player.trigger("Mediafragment.setHashToAnnotation", _ann.id);
-                    });
+                });
+                _node.on("unselected", function() {
+                    _nodeselected = false;
+                    _nt.selected = false;
+                    if (_annselected) {
+                        _ann.trigger("unselect",true);
+                    }
+                });
+                _node.on("clicked", function() {
+                    _this.media.setCurrentTime(_ann.begin);
+                    _this.player.trigger("Mediafragment.setHashToAnnotation", _ann.id);
                 });
-            }
-            var _tagmatch = _uri.match(_this.tag_regexp);
-            if (_tagmatch) {
-                _node.on("select", function() {
-                    _this.source.getAnnotations().search(_tagmatch[1]);
-                })
-                _node.on("unselect", function() {
-                    _this.source.getAnnotations().search("");
-                })
-            }
-        });
-    })
+            });
+        }
+        var _tagmatch = _uri.match(_this.tag_regexp);
+        if (_tagmatch) {
+            _node.on("select", function() {
+                _this.source.getAnnotations().search(_tagmatch[1]);
+            })
+            _node.on("unselect", function() {
+                _this.source.getAnnotations().search("");
+            })
+        }
+    });
+    Rkns.jsonIO(this.renkan, {
+        url: this.data
+    });
+    
     this.onMediaEvent("timeupdate","onTimeupdate");
+    
+    this.$.find(".Rk-Editor").on("click", "a", function() {
+        var href = this.href,
+            times = _this.node_times.filter(function(t) {
+                return t.uri == href;
+            });
+        if (times.length) {
+            _this.media.setCurrentTime(times[0].begin);
+            return false;
+        }
+    });
 }
 
 IriSP.Widgets.Renkan.prototype.onTimeupdate = function(_time) {
@@ -106,11 +119,11 @@
         if (_nt.begin <= _time && _nt.end >= _time) {
             if (!_nt.selected) {
                 _nt.selected = true;
-                _nt.node.trigger("select", true);
+                _nt.node.trigger("select");
             }
         } else {
             if (_nt.selected) {
-                _nt.node.trigger("unselect", true);
+                _nt.node.trigger("unselect");
             }
         }
     });
diff -r c472984db275 -r 1615c7e4ef9d test/renkan.htm
--- a/test/renkan.htm	Wed Apr 03 15:44:17 2013 +0200
+++ b/test/renkan.htm	Tue Apr 23 15:23:20 2013 +0200
@@ -68,7 +68,7 @@
         {
             type: "Renkan",
             container: "RenkanContainer",
-            data: [ "json/renkan.json", "json/renkan-2.json" ]
+            data: "json/renkan.json"
         },
         { type: "Mediafragment"}
     ]
diff -r c472984db275 -r 1615c7e4ef9d test/youtube.htm
--- a/test/youtube.htm	Wed Apr 03 15:44:17 2013 +0200
+++ b/test/youtube.htm	Tue Apr 23 15:23:20 2013 +0200
@@ -32,7 +32,8 @@
     widgets: [
         {
             type: "PopcornPlayer",
-            autostart: true
+            autostart: false,
+            height: 320
         },
         { type: "Sparkline" },
         { type: "Slider" },