--- a/timeline/js/timeline.js	Mon Jul 02 18:45:22 2012 +0200
+++ b/timeline/js/timeline.js	Wed Jul 04 16:13:49 2012 +0200
@@ -63,6 +63,32 @@
     });
 }
 
+Tlns.Utils.drawArrow = function(_ctx, _color, _x1, _y1, _x2, _y2) {
+    _ctx.strokeStyle = _color;
+    _ctx.fillStyle = _color;
+    _ctx.beginPath();
+    _ctx.moveTo(_x1,_y1);
+    _ctx.lineTo(_x2,_y2);
+    _ctx.stroke();
+    var _mod = Math.sqrt(Math.pow(_x2 - _x1, 2) + Math.pow(_y2 - _y1, 2)),
+        _xu = (_x2 - _x1) / _mod,
+        _yu = (_y2 - _y1) / _mod,
+        _xm = (_x1 + _x2) / 2,
+        _ym = (_y1 + _y2) / 2,
+        _arrowWidth = 4,
+        _arrowLength = 8,
+        _x3 = _xm - _arrowLength * _xu + _arrowWidth * _yu,
+        _y3 = _ym - _arrowLength * _yu - _arrowWidth * _xu,
+        _x4 = _xm - _arrowLength * _xu - _arrowWidth * _yu,
+        _y4 = _ym - _arrowLength * _yu + _arrowWidth * _xu;
+    _ctx.beginPath();
+    _ctx.moveTo(_x3, _y3);
+    _ctx.lineTo(_xm, _ym);
+    _ctx.lineTo(_x4, _y4);
+    _ctx.fill();
+    _ctx.stroke();
+}
+
 /* Defaults */
 
 Tlns.Defaults.Timeline = {
@@ -138,7 +164,7 @@
     + '<div class="Tl-BottomPart"><ul class="Tl-UniversLabels"></ul>'
     + '<div class="Tl-MainPart"><div class="Tl-Layer Tl-Grid"></div><canvas class="Tl-Layer Tl-Canvas"></canvas><canvas class="Tl-Layer Tl-Linking-Canvas"></canvas><div class="Tl-Layer Tl-Occurrences"></div>'
     + '<ul class="Tl-Adding"><li class="Tl-AddingTitle">Ajout d\'une occurrence</li><li><span>Narrative</span><div class="Tl-AddOccurrence Tl-Occnarrative" occurrence-type="narrative" title="Glisser sur la frise chronologique pour ajouter"></div></li>'
-    + '<li><span>De Production</span><div class="Tl-AddOccurrence Tl-Occproduction" occurrence-type="production" title="Glisser sur la frise chronologique pour ajouter"></div></li></ul></div>'
+    + '<li><span>De Publication</span><div class="Tl-AddOccurrence Tl-Occpublication" occurrence-type="publication" title="Glisser sur la frise chronologique pour ajouter"></div></li></ul></div>'
     + '<div class="Tl-Overlay-Container"><div class="Tl-Overlay-Box"><div class="Tl-Overlay"><div class="Tl-Overlay-Tip-Top"></div><div class="Tl-Overlay-Main"></div><div class="Tl-Overlay-Tip-Bottom"></div></div></div></div></div>';
 
 Tlns.Templates.Univers = '<span class="Tl-UniversText">{{title}}</span>';
@@ -358,11 +384,14 @@
             case "link":
                 var _ctx = this.$.find('.Tl-Linking-Canvas')[0].getContext('2d');
                 _ctx.clearRect(0,0,this.main_width, this.main_height);
-                _ctx.beginPath();
-                _ctx.strokeStyle = '#800080';
-                _ctx.moveTo(this.editing_occurrence.x,this.editing_occurrence.y + Math.floor(this.univers_height / 2));
-                _ctx.lineTo(_event.pageX - this.dragging_bounds.left, _event.pageY - this.dragging_bounds.top);
-                _ctx.stroke();
+                Tlns.Utils.drawArrow(
+                    _ctx,
+                    '#800080',
+                    this.editing_occurrence.x,
+                    this.editing_occurrence.y + Math.floor(this.univers_height / 2),
+                    _event.pageX - this.dragging_bounds.left,
+                    _event.pageY - this.dragging_bounds.top
+                );
             break;
         }
     }
@@ -459,8 +488,8 @@
         for (var _i = 0; _i < _data.occurrencesNarratives.length; _i++) {
             this.createOrUpdateOccurrence("narrative", _data.occurrencesNarratives[_i]);
         }
-        for (var _i = 0; _i < _data.occurrencesProduction.length; _i++) {
-            this.createOrUpdateOccurrence("production", _data.occurrencesProduction[_i]);
+        for (var _i = 0; _i < _data.occurrencesPublication.length; _i++) {
+            this.createOrUpdateOccurrence("publication", _data.occurrencesPublication[_i]);
         }
     }
     if (!this.mouse_down) {
@@ -602,10 +631,7 @@
     var _ctx = this.$.find('.Tl-Canvas')[0].getContext('2d');
     _ctx.clearRect(0,0,this.main_width, this.main_height);
     _(_links).each(function(_link) {
-        _ctx.beginPath();
-        _ctx.moveTo(_link.from_x,_link.from_y);
-        _ctx.lineTo(_link.to_x,_link.to_y);
-        _ctx.stroke();
+        Tlns.Utils.drawArrow(_ctx, "#505050", _link.from_x,_link.from_y, _link.to_x,_link.to_y);
     });
     
     var _html = Mustache.to_html(Tlns.Templates.Occurrence, {
@@ -647,9 +673,11 @@
             if (!_occurrence.locked) {
                 _el.find('.Tl-Link').show();
             }
-            _occurrence.formatted_date = Tlns.Utils.dateFormat(_occurrence.date,_this.tooltip_date_format);
-            var _html = Mustache.to_html(Tlns.Templates.OccurrenceTooltip, _occurrence);
-            _this.showTooltip(_occurrence.x, _occurrence.y, _html, (_event.pageY - _this.dragging_bounds.top) >= (.4 * _this.main_height) );
+            if (!_this.is_dragging) {
+                _occurrence.formatted_date = Tlns.Utils.dateFormat(_occurrence.date,_this.tooltip_date_format);
+                var _html = Mustache.to_html(Tlns.Templates.OccurrenceTooltip, _occurrence);
+                _this.showTooltip(_occurrence.x, _occurrence.y, _html, (_event.pageY - _this.dragging_bounds.top) >= (.4 * _this.main_height) );
+            }
         }
     }).mouseout(function() {
         var _el = $(this),