diff -r 919e362b9db1 -r 3ab36f402b0c src/widgets/KnowledgeConcierge.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/widgets/KnowledgeConcierge.js	Thu Jan 02 16:40:25 2014 +0100
@@ -0,0 +1,333 @@
+IriSP.Widgets.KnowledgeConcierge = function(player, config) {
+    IriSP.Widgets.Widget.call(this, player, config);
+};
+
+IriSP.Widgets.KnowledgeConcierge.prototype = new IriSP.Widgets.Widget();
+
+IriSP.Widgets.KnowledgeConcierge.prototype.defaults = {
+    width: 600,
+    height: 500,
+    sketch_path: "tmgraph",
+    sketch_files: [ "tmgraph.pde", "physics.pde", "model.pde", "javascript.pde", "menu.pde", "event.pde", "constants.pde", "initialdata.pde"],
+    kc_api_root: "/kn-concierge/",
+    related_api_endpoint: "",
+    use_word_boundaries: false,
+    related_data_type: 'json', // SET TO "jsonp" FOR CROSS-DOMAIN OPERATION
+    related_count: 8,
+};
+
+IriSP.Widgets.KnowledgeConcierge.prototype.messages = {
+    "fr": {
+        related_videos: "Vidéos liées",
+        duration_: "Durée\u00a0:",
+        for_keywords_: "pour le(s) mots-clé(s)\u00a0:",
+        no_matching_videos: "Pas de vidéos correspondantes"
+    },
+    "en": {
+        related_videos: "Related Videos",
+        duration_: "Duration:",
+        for_keywords_: "for keyword(s):",
+        no_matching_videos: "No matching videos"
+    }
+};
+
+IriSP.Widgets.KnowledgeConcierge.prototype.template =
+    '<div class="Ldt-Kc-Slider"></div><canvas class="Ldt-Kc-Canvas" />'
+    + '<div class="Ldt-Kc-Related"><h2>{{ l10n.related_videos }}</h2>'
+    + '<h3 class="Ldt-Kc-For-Keywords">{{l10n.for_keywords_}} <span class="Ldt-Kc-Keywords"></span></h3>'
+    + '<div class="Ldt-Kc-Waiting"></div>'
+    + '<div class="Ldt-Kc-Related-List"></div></div>';
+
+IriSP.Widgets.KnowledgeConcierge.prototype.draw = function() {
+    this.renderTemplate();
+    var _canvasHeight = this.height - 16,
+        _canvasWidth = this.width - 2,
+        _canvas = this.$.find(".Ldt-Kc-Canvas"),
+        _tmpId = IriSP._.uniqueId("Processing-"),
+        _slider = this.$.find(".Ldt-Kc-Slider"),
+        radius = .375 * Math.min(_canvasHeight, _canvasWidth);
+    _canvas.attr({
+        width: _canvasWidth,
+        height: _canvasHeight,
+        id: _tmpId
+    }).css({
+        width: _canvasWidth,
+        height: _canvasHeight
+    });
+    var _this = this,
+        _pjsfiles = IriSP._(this.sketch_files).map(function(_f) { return _this.sketch_path + "/" + _f; }),
+        _selectedText = "",
+        currentNodesList = "",
+        relatedCache = {},
+        relatedRequests = {},
+        relatedTemplate = '<div class="Ldt-Kc-Related-Item"><a href="{{ widget.video_url_base }}{{ media.iri_id }}#keyword={{ escaped_keyword }}"><img src="{{ media.image }}"></a>'
+            + '<h3><a href="{{ widget.video_url_base }}{{ media.iri_id }}#keyword={{ escaped_keyword }}">{{ media.title }}</a></h3><p>{{ description }}</p>'
+            + '<p>{{ widget.l10n.duration_ }} <span class="Ldt-Kc-Item-Duration">{{ duration }}</span></p>'
+            + '</a><div class="Ldt-Kc-Clearer"></div></div>';
+            
+    Processing.loadSketchFromSources(_canvas[0],_pjsfiles);
+    
+    function renderRelated() {
+        var keywords = currentNodesList;
+        _this.$.find(".Ldt-Kc-Related").show();
+        if (typeof relatedCache[keywords] === "undefined") {
+            return;
+        }
+        _this.$.find(".Ldt-Kc-Waiting").hide();
+        if (relatedCache[keywords].length) {
+            var _html = '<div class="Ldt-Kc-Row">';
+            IriSP._(relatedCache[keywords]).each(function(media, i) {
+                var _tmpldata = {
+                    widget: _this,
+                    media: media,
+                    description: media.description.replace(/(\n|\r|\r\n)/mg,' ').replace(/(^.{120,140})[\s].+$/m,'$1&hellip;'),
+                    duration: new IriSP.Model.Time(media.duration).toString(),
+                    escaped_keyword: encodeURIComponent(keywords.split(",")[0])
+                };
+                _html += Mustache.to_html(relatedTemplate, _tmpldata);
+                if (i % 2) {
+                    _html += '</div><div class="Ldt-Kc-Row">';
+                }
+            });
+            _html += '</div>';
+            _this.$.find(".Ldt-Kc-Related-List").html(_html);
+        } else {
+            _this.$.find(".Ldt-Kc-Related-List").html("<p class='Ldt-Kc-Related-Empty'>" + _this.l10n.no_matching_videos + "</p>");
+        }
+    }    
+
+    function triggerSearch(text) {
+        if (_selectedText !== text) {
+            _selectedText = text;
+            _this.source.getAnnotations().search(text);
+        }
+    }
+    
+    function searchNodes(tags) {
+        var _tlist = (_this.use_word_boundaries ? IriSP._(tags).map(function(t) { return "\\\\y" + t + "\\\\y" }) : tags),
+            _q = "(?i)(" + _tlist.join("|") + ")";
+        jQuery.getJSON(
+            _this.kc_api_root + "topics.jsp",
+            {
+                proj: _this.project_id,
+                q: _q
+            },
+            function(data) {
+                if (data && data.items && data.items.length) {
+                    for (var i=0, l=data.items.length; i<l; i++) {
+                        var node = data.items[i];
+                        if (i == 0) {
+                            _pjs.initNode(node.id, node.name, node.grp, node.uid, node.proj);
+                            var node = _pjs.findNode(node.id, node.proj);
+                        } else {
+                            var node = _pjs.newNode(node.id, node.name, node.grp, node.uid, node.proj);
+                            node.root = true;
+                            node.fix();
+                        }
+                        _fns.countassoc(node.id, node.proj);
+                        if (l > 1) {
+                            node.position(Math.floor(radius*Math.sin(2 * Math.PI * i / l)),Math.floor(radius*Math.cos(2 * Math.PI * i / l)));
+                        }
+                    }
+                }
+            }
+        );
+    }
+    
+    function showRelated(nodetexts) {
+        currentNodesList = nodetexts;
+        _this.$.find(".Ldt-Kc-Related-List").html("");
+        _this.$.find(".Ldt-Kc-Keywords").html(nodetexts.replace(/\,/g,", "));
+        if (typeof relatedCache[nodetexts] === "undefined") {
+            _this.$.find(".Ldt-Kc-Waiting").show();
+            if (relatedRequests[nodetexts]) {
+                return;
+            }
+            relatedRequests[nodetexts] = true;
+            IriSP.jQuery.ajax({
+                url: _this.related_api_endpoint,
+                data: {
+                    format: _this.related_data_type,
+                    keywords: nodetexts
+                },
+                dataType: _this.related_data_type,
+                success: function(data) {
+                    relatedCache[nodetexts] = IriSP._(data.objects)
+                        .chain()
+                        .filter(function(o) {
+                            return o.iri_id !== _this.media.id;
+                        })
+                        .sortBy(function(o) {
+                            return - o.score;
+                        })
+                        .first(_this.related_count)
+                        .value();
+                    renderRelated();
+                }
+            });
+        } else {
+            renderRelated();
+        }
+    }
+    
+    function rootNode(id, proj) {
+        jQuery.getJSON(
+            _this.kc_api_root + "topic.jsp",
+            {
+                id: id,
+                proj: proj
+            },
+            function(response) {
+                if (response != null && response.items.length > 0){
+                    item = response.items[0];
+                    _pjs.initNode(item.id, item.name, item.grp, item.uid, item.proj);
+                    _fns.countassoc(item.id, item.proj);
+                }
+            }
+        );
+    }
+    
+    function bindJavascript() {
+        _pjs = Processing.getInstanceById(_tmpId);
+        if (_pjs && typeof _pjs.bindJavascript === "function") {
+            setTimeout(function() {
+                _pjs.bindJavascript(_fns);
+                _pjs.setSize(_canvasWidth,_canvasHeight);
+                var _edit = false,
+                    _teamMode = true;
+                _pjs.saveMode("en",false,_teamMode,false,"both",_edit);
+                rootNode(_this.topic_id, _this.project_id);
+                _slider.slider({
+                    min: -20,
+                    max: 20,
+                    value: 0,
+                    range: "min",
+                    slide: function(event, ui) {
+                        _pjs.zoom(Math.exp(ui.value / 10));
+                    }
+                });
+            }, 1000);
+        } else {
+            setTimeout(bindJavascript, 1000); 
+        }
+    }
+    var currentSelection = null;
+    var _fns = {
+        adjacentnodes: function(id, proj, adj, both) {
+            jQuery.ajax({
+                url: _this.kc_api_root + "associations-bd.jsp",
+                cache: false,
+                data: {
+                    id: id,
+                    proj: proj,
+                    both: both,
+                    adj: adj
+                },
+                success: function(response) {
+                    if (response.items.length > 0){
+                        for(i = 0, end = response.items.length; i < end; i++) {
+                            item = response.items[i];
+                            _pjs.addEdge(item.asc_id, item.id, item.from_proj, item.to_id, item.to_proj,
+                                        item.r_name, item.r_from,  item.r_to, item.uid, item.proj);
+                            _pjs.setNodeName( item.id,   item.from_proj,item.name);
+                            _pjs.setNodeValue(item.id,   item.from_proj,item.name,   item.grp,   item.abst,   item.from_uid);
+                            if (item.from_assoc!=null) {
+                                _pjs.setNodeAssoc(item.id, item.from_proj, item.from_assoc);
+                            }
+                            _pjs.setNodeName( item.to_id,item.to_proj,  item.to_name);
+                            _pjs.setNodeValue(item.to_id,item.to_proj,  item.to_name,item.to_grp,item.to_abst,item.to_uid);
+                            if (item.to_assoc!=null) {
+                                _pjs.setNodeAssoc(item.to_id, item.to_proj, item.to_assoc);
+                            }
+                        }
+                        return response;
+                    } else {
+                        //.debug('No such topic.');
+                        return null;
+                    }
+                }
+            });
+        },
+        setscale: function(scl){
+            _slider.slider("value", 10*Math.log(scl));
+        },
+        countassoc: function(id, proj) {
+            jQuery.ajax({
+                url: _this.kc_api_root + "count-assoc.jsp",
+                data: {
+                    id: id,
+                    proj: proj
+                },
+                success: function(response) {
+                    if (response.items.length > 0){
+                        for(i = 0, end = response.items.length; i < end; i++) {
+                            item = response.items[i];
+                            _pjs.setNodeValue(item.id, item.proj, item.name, item.grp, item.abst);
+                            if (item.assoc!=null) _pjs.setNodeAssoc(item.id, item.proj, item.assoc);
+                            if (item.mass!=null) _pjs.setNodeMass( item.id, item.proj, item.mass);
+                        }
+                    }
+                }
+            });
+        },
+        username: function() {
+            var nodes = _pjs.getNodes().values().toArray(),
+                nodetexts = IriSP._(nodes).chain().pluck("name").sortBy().value().join(",");
+            showRelated(nodetexts);
+        },
+        mousemove: function(selection) {
+            if (selection !== currentSelection) {
+                if (selection) {
+                    triggerSearch(selection.name);
+                }
+                currentSelection = selection;
+            }
+        },
+        click: function(selection) {
+            if (selection) {
+                triggerSearch(selection.name);
+                showRelated(selection.name);
+            } else {
+                triggerSearch();
+            }
+        }
+    };
+    var uselessfuncts = [
+        "selectnode", "selectedge", "topicnode","group_shapes",
+        "allbackup", "allretrieve", "new_topic", "pedia", "set_mode",
+        "new_relation", "startexpand", "endexpand", "new_select" //, "mouseover" //, "username"
+    ];
+    
+    IriSP._(uselessfuncts).each(function(funcname) {
+        _fns[funcname] = function() {
+//            console.log("Function", funcname, "called with arguments", arguments);
+        }
+    });
+    
+    this.getWidgetAnnotations().forEach(function(annotation) {
+        annotation.on("click", function() {
+            var _tags = annotation.getTagTexts();
+            if (_tags.length) {
+                searchNodes(_tags);
+            }
+        });
+    });
+    
+    this.source.getTags().forEach(function(tag) {
+        tag.on("click", function() {
+            if (tag.title) {
+                searchNodes([tag.title]);
+            }
+        });
+    });
+    
+    var keywmatch = document.location.hash.match(/keyword=([^#?&]+)/);
+    if (keywmatch) {
+        this.player.on("widgets-loaded", function() {
+            triggerSearch(decodeURIComponent(keywmatch[1]));
+        });
+    }
+    
+    bindJavascript();
+    
+};