diff -r 2ab67fa1e78d -r 6d0e0100f4e8 server/src/main/webapp/js/model.js
--- a/server/src/main/webapp/js/model.js	Thu Aug 16 14:14:09 2012 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,202 +0,0 @@
-Rkns.Model = {}
-
-Rkns.Model._BaseElement = function(_project, _props) {
-    if (typeof _props !== "undefined") {
-        this._project = _project;
-        this.id = _props.id || Rkns.Utils.getUID(this.type);
-        this.title = _props.title || "(untitled " + this.type + ")";
-        this.description = _props.description || "";
-        this.uri = _props.uri || "";
-    }
-}
-
-Rkns.Model._BaseElement.prototype.addReference = function(_propName, _list, _id, _default) {
-    var _element = _list.getElement(_id);
-    if (typeof _element === "undefined" && typeof _default !== "undefined") {
-        this[ _propName ] = _default;
-        this[ _propName + "_id" ] = _default.id;
-    } else {
-        this[ _propName + "_id" ] = _id;
-        this[ _propName ] = _element;
-    }
-}
-
-Rkns.Model._BaseElement.prototype.updateGraphics = function() {
-    this._project.renderer.redraw();
-}
-
-Rkns.Model._BaseElement.prototype.updateData = function() {
-    this._project.serializer.save(this);
-}
-
-/* Element Class Generator */
-
-Rkns.Model._elementClass = function(_type) {
-    return Rkns.Utils.inherit(Rkns.Model._BaseElement, function() {
-        this.type = _type;
-    });
-}
-
-/* User Model */
-
-Rkns.Model.User = Rkns.Model._elementClass("user");
-
-Rkns.Model.User.prototype._init = function(_project, _props) {
-    this.color = _props.color || "#666666";
-}
-
-/* Node Model */
-
-Rkns.Model.Node = Rkns.Model._elementClass("node");
-
-Rkns.Model.Node.prototype._init = function(_project, _props) {
-    this.addReference("created_by", this._project.users, _props.created_by, _project.current_user);
-    this.position = _props.position;
-    this.description = _props.description || "";
-}
-
-Rkns.Model.Node.prototype.setPosition = function(_x, _y) {
-    if (typeof _x === "object") {
-        if (typeof _x.x !== "undefined" && typeof _x.y !== "undefined") {
-            this.position.x = _x.x;
-            this.position.y = _x.y;
-        } else {
-            if (typeof _x.length !== "undefined") {
-                this.position.x = _x[0];
-                this.position.y = _x[1];
-            }
-        }
-    } else {
-        if (typeof _y !== "undefined") {
-            this.position.x = +_x;
-            this.position.y = +_y;
-        }
-    }
-}
-
-/* Edge Model */
-
-Rkns.Model.Edge = Rkns.Model._elementClass("edge");
-
-Rkns.Model.Edge.prototype._init = function(_project, _props) {
-    this.addReference("created_by", this._project.users, _props.created_by, _project.current_user);
-    this.addReference("from", this._project.nodes, _props.from);
-    this.addReference("to", this._project.nodes, _props.to);
-}
-
-/* List Helper Functions -- See Metadataplayer */
-
-Rkns.Model.List = function() {
-    Array.call(this);
-    this.idIndex = [];
-}
-
-Rkns.Model.List.prototype = new Array();
-
-Rkns.Model.List.prototype.hasId = function(_id) {
-    return Rkns._(this.idIndex).include(_id);
-}
-
-Rkns.Model.List.prototype.getIds = function(_id) {
-    return this.idIndex;
-}
-
-/* On recent browsers, forEach and map are defined and do what we want.
- * Otherwise, we'll use the Underscore.js functions
- */
-if (typeof Array.prototype.forEach === "undefined") {
-    Rkns.Model.List.prototype.forEach = function(_callback) {
-        var _this = this;
-        Rkns._(this).forEach(function(_value, _key) {
-            _callback(_value, _key, _this);
-        });
-    }
-}
-
-if (typeof Array.prototype.map === "undefined") {
-    Rkns.Model.List.prototype.map = function(_callback) {
-        var _this = this;
-        return Rkns._(this).map(function(_value, _key) {
-            return _callback(_value, _key, _this);
-        });
-    }
-}
-
-/* We override Array's filter function because it doesn't return an Rkns.Model.List
- */
-Rkns.Model.List.prototype.filter = function(_callback) {
-    var _this = this,
-        _res = new Rkns.Model.List();
-    _res.addElements(Rkns._(this).filter(function(_value, _key) {
-        return _callback(_value, _key, _this);
-    }));
-    return _res;
-}
-
-Rkns.Model.List.prototype.slice = function(_start, _end) {
-    var _res = new Rkns.Model.List();
-    _res.addElements(Array.prototype.slice.call(this, _start, _end));
-    return _res;
-}
-
-Rkns.Model.List.prototype.splice = function(_start, _end) {
-    var _res = new Rkns.Model.List();
-    _res.addElements(Array.prototype.splice.call(this, _start, _end));
-    this.idIndex.splice(_start, _end);
-    return _res;
-}
-
-/* Array has a sort function, but it's not as interesting as Underscore.js's sortBy
- * and won't return a new Rkns.Model.List
- */
-Rkns.Model.List.prototype.sortBy = function(_callback) {
-    var _this = this,
-        _res = new Rkns.Model.List();
-    _res.addElements(Rkns._(this).sortBy(function(_value, _key) {
-        return _callback(_value, _key, _this);
-    }));
-    return _res;
-}
-
-Rkns.Model.List.prototype.push = function(_el) {
-    if (typeof _el === "undefined" || typeof _el.id === "undefined") {
-        return;
-    }
-    var _index = (Rkns._(this.idIndex).indexOf(_el.id));
-    if (_index === -1) {
-        this.idIndex.push(_el.id);
-        Array.prototype.push.call(this, _el);
-    } else {
-        this[_index] = _el;
-    }
-}
-
-Rkns.Model.List.prototype.addElements = function(_array) {
-    var _this = this;
-    Rkns._(_array).forEach(function(_el) {
-        _this.push(_el);
-    });
-}
-
-Rkns.Model.List.prototype.removeId = function(_id) {
-    var _index = (Rkns._(this.idIndex).indexOf(_id));
-    if (_index !== -1) {
-        this.splice(_index,1);
-    }
-}
-
-Rkns.Model.List.prototype.removeIds = function(_list) {
-    var _this = this;
-    Rkns._(_list).forEach(function(_id) {
-        _this.removeId(_id);
-    });
-}
-
-Rkns.Model.List.prototype.getElement = function(_id) {
-    var _index = Rkns._(this.idIndex).indexOf(_id);
-    if (_index === -1) {
-        return undefined;
-    } else {
-        return this[_index];
-    }
-}