Ticket #2571: greedy.patch

ui.droppable.js

@@ -112 +112 @@
             if (!draggable || (draggable.currentItem || draggable.element)[0] == this.element[0]) return; // Bail if draggable and droppable are same element
             
             var childrenIntersection = false;
-            this.element.children(".ui-droppable").each(function() {
+            this.element.find(".ui-droppable").each(function() {
                 var inst = $.data(this, 'droppable');
                 if(inst.options.greedy && $.ui.intersect(draggable, { item: inst, offset: inst.element.offset() }, inst.options.tolerance)) childrenIntersection = true;
             });
@@ -220 +220 @@
             //Run through all droppables and check their positions based on specific tolerance options
             $.each($.ui.ddmanager.droppables, function() {
 
-                if(this.item.disabled) return; 
+                if(this.item.disabled || this.greedyChild) return; 
                 var intersects = $.ui.intersect(draggable, this, this.item.options.tolerance);
 
                 var c = !intersects && this.over == 1 ? 'out' : (intersects && this.over == 0 ? 'over' : null);
                 if(!c) return;
-                    
+                
+                var instance = $.data(this.item.element[0], 'droppable');
+                if (instance.options.greedy) {
+                    this.item.element.parents('.ui-droppable').each(function() {
+                        var parent = this;
+                        $.each($.ui.ddmanager.droppables, function() {
+                            if (this.item.element[0] != parent) return;
+                            this[c] = 0;
+                            this[c == 'out' ? 'over' : 'out'] = 1;
+                            this.greedyChild = (c == 'over' ? 1 : 0);
+                            this.item[c == 'out' ? 'over' : 'out'].call(this.item, e);
+                            return false;
+                        });
+                    });
+                }
+                
                 this[c] = 1; this[c == 'out' ? 'over' : 'out'] = 0;
                 this.item[c].call(this.item, e);