dont report dayClick/selection when drag is cancelled by scroll

src/common/DragListener.js

@@ -87,7 +87,7 @@ var DragListener = FC.DragListener = Class.extend(ListenerMixin, {
 	},
 
 
-	endInteraction: function(ev) {
+	endInteraction: function(ev, isCancelled) {
 		if (this.isInteracting) {
 			this.endDrag(ev);
 
@@ -100,7 +100,7 @@ var DragListener = FC.DragListener = Class.extend(ListenerMixin, {
 			this.unbindHandlers();
 
 			this.isInteracting = false;
-			this.handleInteractionEnd(ev);
+			this.handleInteractionEnd(ev, isCancelled);
 
 			// a touchstart+touchend on the same element will result in the following addition simulated events:
 			// +mouseover
@@ -119,8 +119,8 @@ var DragListener = FC.DragListener = Class.extend(ListenerMixin, {
 	},
 
 
-	handleInteractionEnd: function(ev) {
-		this.trigger('interactionEnd', ev);
+	handleInteractionEnd: function(ev, isCancelled) {
+		this.trigger('interactionEnd', ev, isCancelled || false);
 	},
 
 
@@ -147,7 +147,7 @@ var DragListener = FC.DragListener = Class.extend(ListenerMixin, {
 						touchStartIgnores--; // and we don't want this to fire immediately, so ignore.
 					}
 					else {
-						_this.endInteraction(ev);
+						_this.endInteraction(ev, true); // isCancelled=true
 					}
 				}
 			});
@@ -307,7 +307,7 @@ var DragListener = FC.DragListener = Class.extend(ListenerMixin, {
 		// if the drag is being initiated by touch, but a scroll happens before
 		// the drag-initiating delay is over, cancel the drag
 		if (!this.isDragging) {
-			this.endInteraction(ev);
+			this.endInteraction(ev, true); // isCancelled=true
 		}
 	},
 

src/common/Grid.js

@@ -312,19 +312,21 @@ var Grid = FC.Grid = Class.extend(ListenerMixin, {
 				_this.unrenderSelection();
 				enableCursor();
 			},
-			interactionEnd: function(ev) {
-				if (dayClickHit) {
-					view.triggerDayClick(
-						_this.getHitSpan(dayClickHit),
-						_this.getHitEl(dayClickHit),
-						ev
-					);
-				}
-				if (selectionSpan) {
-					// the selection will already have been rendered. just report it
-					view.reportSelection(selectionSpan, ev);
+			interactionEnd: function(ev, isCancelled) {
+				if (!isCancelled) {
+					if (dayClickHit) {
+						view.triggerDayClick(
+							_this.getHitSpan(dayClickHit),
+							_this.getHitEl(dayClickHit),
+							ev
+						);
+					}
+					if (selectionSpan) {
+						// the selection will already have been rendered. just report it
+						view.reportSelection(selectionSpan, ev);
+					}
+					enableCursor();
 				}
-				enableCursor();
 			}
 		});