diff -r 8e67c9f6da51 -r 2ab67fa1e78d server/src/main/webapp/js/main.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/src/main/webapp/js/main.js	Thu Aug 16 14:14:09 2012 +0200
@@ -0,0 +1,211 @@
+/* 
+ *  Copyright 2012 Institut de recherche et d'innovation 
+ *  contributor(s) : Samuel Huron, Raphael Velt
+ *   
+ *  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 */
+
+Rkns = {
+    _MIN_DRAG_DISTANCE: 4,
+    _NODE_RADIUS: 20,
+    _NODE_FONT_SIZE: 14,
+    _ARROW_LENGTH: 20,
+    _ARROW_WIDTH: 15,
+    _RENDER: 1,
+    _SAVE: 2,
+    _RENDER_AND_SAVE: 3
+}
+
+Rkns.$ = jQuery;
+
+Rkns._ = _;
+
+Rkns.Serializers = {};
+
+Rkns.Serializers._Base = function(_project) {
+    if (typeof _project !== "undefined") {
+        this._project = _project;
+        this._callbackQueue = [];
+        this._loaded = false;
+    }
+}
+
+Rkns.Serializers._Base.prototype.deserialize = function() {}
+
+Rkns.Serializers._Base.prototype.deferCallback = function(_callback) {
+    var _this = this;
+    Rkns._.defer(function() {
+        _callback.call(_this);
+    });
+}
+
+Rkns.Serializers._Base.prototype.handleCallbacks = function() {
+    this._loaded = true;
+    while (this._callbackQueue.length) {
+        this.deferCallback(this._callbackQueue.splice(0,1)[0]);
+    }
+}
+
+Rkns.Serializers._Base.prototype.onLoad = function(_callback) {
+    if (this._loaded) {
+        this.deferCallback(_callback);
+    } else {
+        this._callbackQueue.push(_callback);
+    }
+}
+
+Rkns.Serializers._Base.prototype.save = function() {}
+
+Rkns.Project = function(_opts) {
+    if (typeof _opts.serializer == "undefined") {
+        _opts.serializer = "BasicJson";
+    }
+    if (typeof _opts.language == "undefined" || typeof Rkns.i18n[_opts.language] == "undefined") {
+        _opts.language = "en";
+    }
+    this.l10n = Rkns.i18n[_opts.language];
+    this._opts = _opts;
+    this.users = new Rkns.Model.List();
+    this.nodes = new Rkns.Model.List();
+    this.edges = new Rkns.Model.List();
+    if (typeof this._opts.user === "object") {
+        this.current_user = this.addUser(this._opts.user)
+    }
+    this.serializer = new Rkns.Serializers[_opts.serializer](this);
+    this.renderer = new Rkns.Renderer.Scene(this);
+    var _this = this;
+    this.serializer.onLoad(function() {
+        if (typeof _this.current_user === "undefined") {
+            _this.current_user = _proj.users[0];
+        }
+        _this.renderer.draw();
+    });
+}
+
+Rkns.Project.prototype.addNode = function(_props, _render_save) {
+    var _node = new Rkns.Model.Node(this, _props);
+    this.nodes.push(_node);
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._RENDER)) {
+        var _controller = this.renderer.addController("Node", _node);
+        _controller.redraw();
+    }
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._SAVE)) {
+        this.serializer.save();
+    }
+    return _node;
+}
+
+Rkns.Project.prototype.addEdge = function(_props, _render_save) {
+    var _edge = new Rkns.Model.Edge(this, _props);
+    this.edges.push(_edge);
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._RENDER)) {
+        var _controller = this.renderer.addController("Edge", _edge);
+        _controller.redraw();
+    }
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._SAVE)) {
+        this.serializer.save();
+    }
+    return _edge;
+}
+
+Rkns.Project.prototype.addUser = function(_props, _render_save) {
+    var _user = new Rkns.Model.User(this, _props);
+    this.users.push(_user);
+    return _user;
+}
+
+Rkns.Project.prototype.updateElement = function(_element, _props, _render_save) {
+    Rkns._(_props).each(function(_v, _k) {
+        _element[_k] = _v;
+    });
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._RENDER)) {
+        if (typeof _element.__controller !== "undefined") {
+            _element.__controller.redraw();
+        } else {
+            this._renderer.redraw();
+        }
+    }
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._SAVE)) {
+        this.serializer.save();
+    }
+}
+
+Rkns.Project.prototype.removeNode = function(_node, _render_save) {
+    this.nodes.removeId(_node.id);
+    if (typeof _node.__controller !== "undefined") {
+        console.log("Controllers", this.renderer.controllers.length);
+        this.renderer.removeController(_node.__controller);
+        console.log("Controllers", this.renderer.controllers.length);
+    }
+    console.log(this.edges.length);
+    var _this = this;
+    this.edges = this.edges.filter(function(_edge) {
+        var _keep = _edge.from !== _node && _edge.to !== _node;
+        if (!_keep && typeof _edge.__controller !== "undefined") {
+            _this.renderer.removeController(_edge.__controller);
+        }
+        return _keep;
+    });
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._RENDER)) {
+        this.renderer.redraw();
+    }
+    if (typeof _render_save !== "undefined" && (_render_save&Rkns._SAVE)) {
+        this.serializer.save();
+    }
+    return _node;
+}
+
+/* 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;
+    },
+    inherit : function(_baseClass, _callbefore) {
+        var _class = function() {
+            if (typeof _callbefore === "function") {
+                _callbefore.apply(this, Array.prototype.slice.call(arguments, 0));
+            }
+            if (typeof _baseClass.prototype._init !== "function") {
+                _baseClass.prototype._init = function() {}
+            }
+            _baseClass.apply(this, Array.prototype.slice.call(arguments, 0));
+            this._init.apply(this, Array.prototype.slice.call(arguments, 0));
+        }
+        _class.prototype = new _baseClass();
+        return _class;
+    }
+}
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