diff -r e78b889a75e1 -r 4fddc765a716 src/widgets/AnnotationsController.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/widgets/AnnotationsController.js	Fri Jul 03 16:59:29 2015 +0200
@@ -0,0 +1,109 @@
+/* 
+ * Widget that ties AnnotationList and CreateAnnotation together
+ * using buttons to hide/show AnnotationList and CreateAnnotation widgets.
+ * 
+ */
+
+IriSP.Widgets.AnnotationsController = function(player, config){
+    IriSP.Widgets.Widget.call(this, player, config);
+};
+
+IriSP.Widgets.AnnotationsController.prototype = new IriSP.Widgets.Widget();
+
+IriSP.Widgets.AnnotationsController.prototype.defaults = {
+    // If true, displaying AnnotationList will hide CreateAnnotation and vice versa.
+    display_or_write: false,
+    starts_hidden: false,
+    hide_without_segment: false,
+    segments_annotation_type: "chap"
+};
+
+IriSP.Widgets.AnnotationsController.prototype.template = 
+    "<div class='Ldt-AnnotationsController'>"
+    + "<div class='Ldt-AnnotationsController-ButtonsContainer'>"
+    + "    <div class='Ldt-AnnotationsController-Button Ldt-AnnotationsController-ShowAnnotationsListButton'>{{l10n.display}}</div>"
+    + "    <div class='Ldt-AnnotationsController-Button Ldt-AnnotationsController-ShowCreateAnnotationButton'>{{l10n.write}}</div>"
+    + "</div>"
+    + "</div>"
+
+IriSP.Widgets.AnnotationsController.prototype.messages = {
+    en : {
+        write : "Write",
+        display : "Display",
+    },
+    fr : {
+        write : "Ecrire",
+        display : "Voir"
+    }
+};
+
+IriSP.Widgets.AnnotationsController.prototype.draw = function() { 
+    this.renderTemplate();
+    var _this = this;
+    this.element_$ = this.$.find(".Ldt-AnnotationsController")
+    
+    this.displayButton_$ = this.$.find(".Ldt-AnnotationsController-ShowAnnotationsListButton");
+    this.writeButton_$ = this.$.find(".Ldt-AnnotationsController-ShowCreateAnnotationButton");
+    
+    this.writeButton_$.click(function(){
+        _this.player.trigger("CreateAnnotation.toggle");
+        if (_this.display_or_write){
+            _this.player.trigger("AnnotationsList.hide");
+        }
+    });
+    this.displayButton_$.click(function(){
+        _this.player.trigger("AnnotationsList.toggle");
+        if (_this.display_or_write){
+            _this.player.trigger("CreateAnnotation.hide");
+        }
+    })
+    this.onMediaEvent("timeupdate", "onTimeUpdate")
+    
+    if (this.starts_hidden) {
+        this.visible = true
+        this.hide();
+    }
+    else{
+        this.visible = false
+        this.show();
+    }
+    
+};
+
+IriSP.Widgets.AnnotationsController.prototype.onTimeUpdate = function(){
+    if (this.hide_without_segment){
+        _currentTime = this.media.getCurrentTime() 
+        _segmentsAnnotations = this.source.getAnnotationsByTypeTitle(this.segments_annotation_type)
+        _currentSegments = _segmentsAnnotations.filter(function(_segment){
+            return (_currentTime >= _segment.begin && _currentTime <= _segment.end)
+        });
+        if (_currentSegments.length == 0){
+            if (this.visible){
+                this.hide();
+                _this.player.trigger("CreateAnnotation.hide");
+                _this.player.trigger("AnnotationsList.hide");
+            }
+        }
+        else {
+            if (!this.visible){
+                this.show();
+                _this.player.trigger("CreateAnnotation.hide");
+                _this.player.trigger("AnnotationsList.hide");
+            }
+        }
+    }
+}
+
+IriSP.Widgets.AnnotationsController.prototype.hide = function() {
+    if (this.visible){
+        this.visible = false;
+        this.element_$.hide()
+    }
+}
+
+IriSP.Widgets.AnnotationsController.prototype.show = function() {
+    if(!this.visible){
+        this.visible = true;
+        this.element_$.show()
+    }
+}