new option: dropAccept

src/agenda.js

@@ -1161,11 +1161,7 @@ function Agenda(element, options, methods) {
 	/* External dragging
 	-----------------------------------------------------*/
 	
-	view.isExternalDraggable = function(_element) {
-		return _element.parentNode != daySegmentContainer[0] && _element.parentNode != slotSegmentContainer[0];
-	};
-	
-	view.dragStart = function(ev) {
+	view.dragStart = function(_dragElement, ev, ui) {
 		hoverListener.start(function(cell) {
 			clearOverlay();
 			if (cell) {
@@ -1180,11 +1176,11 @@ function Agenda(element, options, methods) {
 		}, ev);
 	};
 	
-	view.dragStop = function(ev, ui) {
+	view.dragStop = function(_dragElement, ev, ui) {
 		var cell = hoverListener.stop();
 		clearOverlay();
 		if (cell) {
-			view.trigger('drop', ev.target, cellDate(cell), cellIsAllDay(cell), ev, ui);
+			view.trigger('drop', _dragElement, cellDate(cell), cellIsAllDay(cell), ev, ui);
 		}
 	};
 	

src/grid.js

@@ -562,11 +562,7 @@ function Grid(element, options, methods) {
 	/* External dragging
 	------------------------------------------------------*/
 	
-	view.isExternalDraggable = function(_element) {
-		return _element.parentNode != segmentContainer[0];
-	};
-	
-	view.dragStart = function(ev, ui) {
+	view.dragStart = function(_dragElement, ev, ui) {
 		hoverListener.start(function(cell) {
 			clearOverlay();
 			if (cell) {
@@ -575,12 +571,12 @@ function Grid(element, options, methods) {
 		}, ev);
 	};
 	
-	view.dragStop = function(ev, ui) {
+	view.dragStop = function(_dragElement, ev, ui) {
 		var cell = hoverListener.stop();
 		clearOverlay();
 		if (cell) {
 			var d = cellDate(cell);
-			view.trigger('drop', ev.target, d, true, ev, ui);
+			view.trigger('drop', _dragElement, d, true, ev, ui);
 		}
 	};
 	

src/main.js

@@ -821,21 +821,34 @@ $.fn.fullCalendar = function(options) {
 		$(window).resize(windowResize);
 		
 		
+		
+		/* External event dropping
+		--------------------------------------------------------*/
+		
 		if (options.droppable) {
+			var _dragElement;
 			$(document)
 				.bind('dragstart', function(ev, ui) {
-					if (view.isExternalDraggable(ev.target)) {
-						view.dragStart(ev, ui);
+					var _e = ev.target;
+					var e = $(_e);
+					if (!e.parents('.fc').length) { // not already inside a calendar
+						var accept = options.dropAccept;
+						if (!accept || ($.isFunction(accept) ? accept.call(_e, e) : e.is(accept))) {
+							_dragElement = _e;
+							view.dragStart(_dragElement, ev, ui);
+						}
 					}
 				})
 				.bind('dragstop', function(ev, ui) {
-					if (view.isExternalDraggable(ev.target)) {
-						view.dragStop(ev, ui);
+					if (_dragElement) {
+						view.dragStop(_dragElement, ev, ui);
+						_dragElement = null;
 					}
 				});
 		}
 		
 		
+		
 		// let's begin...
 		changeView(options.defaultView);
 		

tests/droppable.html

@@ -13,21 +13,18 @@
 		var y = date.getFullYear();
 		
 		$('#calendar').fullCalendar({
-		
+			editable: true,
 			droppable: true,
 			drop: function(date, allDay) {
 				console.log('drop', date, allDay);
 			},
-			
 			//defaultView: 'agendaWeek',
 			//isRTL: true,
-			
 			header: {
 				left: 'prev,next today',
 				center: 'title',
 				right: 'month,agendaWeek,basicWeek,agendaDay,basicDay'
 			},
-			editable: true,
 			events: [
 				{
 					title: 'All Day Event',
@@ -78,7 +75,28 @@
 		
 		$('.external-event').draggable({
 			revert: true,
-			revertDuration: 0
+			revertDuration: 0,
+			zIndex: 999
+		});
+		
+		$('#calendar2').fullCalendar({
+			droppable: true,
+			dropAccept: '.for-calendar2',
+			/*
+			dropAccept: function(e) {
+				console.log(e);
+				console.log(this);
+				return e.text() == 'Draggable 1';
+			},
+			*/
+			drop: function(date, allDay) {
+				console.log('drop 2nd calendar', date, allDay);
+			},
+			header: {
+				left: 'prev,next today',
+				center: 'title',
+				right: 'month,agendaWeek,basicWeek,agendaDay,basicDay'
+			}
 		});
 		
 	});
@@ -118,6 +136,11 @@
 		padding-left: 5px;
 		cursor: pointer;
 		}
+		
+	#calendar2 {
+		width: 900px;
+		margin-top: 50px;
+		}
 
 </style>
 </head>
@@ -126,7 +149,9 @@
 <div id='external-events'>
 	<div class='external-event'>Draggable 1</div>
 	<div class='external-event'>Draggable 2</div>
-	<div class='external-event'>Draggable 3</div>
+	<div class='external-event for-calendar2'>Draggable 3</div>
 </div>
+<div style='clear:both'></div>
+<div id='calendar2'></div>
 </body>
 </html>