/**
- * @class Ext.dd.DropTarget
- * @extends Ext.dd.DDTarget
- * A simple class that provides the basic implementation needed to make any element a drop target that can have
- * draggable items dropped onto it. The drop has no effect until an implementation of notifyDrop is provided.
- * @constructor
- * @param {Mixed} el The container element
- * @param {Object} config
- */
-Ext.dd.DropTarget = function(el, config){
- this.el = Ext.get(el);
-
- Ext.apply(this, config);
-
- if(this.containerScroll){
- Ext.dd.ScrollManager.register(this.el);
- }
-
- Ext.dd.DropTarget.superclass.constructor.call(this, this.el.dom, this.ddGroup || this.group,
- {isTarget: true});
-
-};
-
-Ext.extend(Ext.dd.DropTarget, Ext.dd.DDTarget, {
- /**
- * @cfg {String} ddGroup
- * A named drag drop group to which this object belongs. If a group is specified, then this object will only
- * interact with other drag drop objects in the same group (defaults to undefined).
- */
- /**
- * @cfg {String} overClass
- * The CSS class applied to the drop target element while the drag source is over it (defaults to "").
- */
- /**
- * @cfg {String} dropAllowed
- * The CSS class returned to the drag source when drop is allowed (defaults to "x-dd-drop-ok").
- */
- dropAllowed : "x-dd-drop-ok",
- /**
- * @cfg {String} dropNotAllowed
- * The CSS class returned to the drag source when drop is not allowed (defaults to "x-dd-drop-nodrop").
- */
- dropNotAllowed : "x-dd-drop-nodrop",
-
- // private
- isTarget : true,
-
- // private
- isNotifyTarget : true,
-
- /**
- * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the source is now over the
- * target. This default implementation adds the CSS class specified by overClass (if any) to the drop element
- * and returns the dropAllowed config value. This method should be overridden if drop validation is required.
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {String} status The CSS class that communicates the drop status back to the source so that the
- * underlying {@link Ext.dd.StatusProxy} can be updated
- */
- notifyEnter : function(dd, e, data){
- if(this.overClass){
- this.el.addClass(this.overClass);
- }
- return this.dropAllowed;
- },
-
- /**
- * The function a {@link Ext.dd.DragSource} calls continuously while it is being dragged over the target.
- * This method will be called on every mouse movement while the drag source is over the drop target.
- * This default implementation simply returns the dropAllowed config value.
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {String} status The CSS class that communicates the drop status back to the source so that the
- * underlying {@link Ext.dd.StatusProxy} can be updated
- */
- notifyOver : function(dd, e, data){
- return this.dropAllowed;
- },
-
- /**
- * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the source has been dragged
- * out of the target without dropping. This default implementation simply removes the CSS class specified by
- * overClass (if any) from the drop element.
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- */
- notifyOut : function(dd, e, data){
- if(this.overClass){
- this.el.removeClass(this.overClass);
- }
- },
-
- /**
- * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the dragged item has
- * been dropped on it. This method has no default implementation and returns false, so you must provide an
- * implementation that does something to process the drop event and returns true so that the drag source's
- * repair action does not run.
- * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
- * @param {Event} e The event
- * @param {Object} data An object containing arbitrary data supplied by the drag source
- * @return {Boolean} True if the drop was valid, else false
- */
- notifyDrop : function(dd, e, data){
- return false;
- }
-});
-
-
\ No newline at end of file
+
+
+
+
+ The source code
+
+
+
+
+
+
+
/**
+ * @class Ext.dd.DropTarget
+ * @extends Ext.dd.DDTarget
+ * A simple class that provides the basic implementation needed to make any element a drop target that can have
+ * draggable items dropped onto it. The drop has no effect until an implementation of notifyDrop is provided.
+ */
+Ext.define('Ext.dd.DropTarget', {
+ extend: 'Ext.dd.DDTarget',
+ requires: ['Ext.dd.ScrollManager'],
+
+ /**
+ * Creates new DropTarget.
+ * @param {String/HTMLElement/Ext.Element} el The container element or ID of it.
+ * @param {Object} config
+ */
+ constructor : function(el, config){
+ this.el = Ext.get(el);
+
+ Ext.apply(this, config);
+
+ if(this.containerScroll){
+ Ext.dd.ScrollManager.register(this.el);
+ }
+
+ this.callParent([this.el.dom, this.ddGroup || this.group,
+ {isTarget: true}]);
+ },
+
+ /**
+ * @cfg {String} ddGroup
+ * A named drag drop group to which this object belongs. If a group is specified, then this object will only
+ * interact with other drag drop objects in the same group.
+ */
+ /**
+ * @cfg {String} [overClass=""]
+ * The CSS class applied to the drop target element while the drag source is over it.
+ */
+ /**
+ * @cfg {String} [dropAllowed="x-dd-drop-ok"]
+ * The CSS class returned to the drag source when drop is allowed.
+ */
+ dropAllowed : Ext.baseCSSPrefix + 'dd-drop-ok',
+ /**
+ * @cfg {String} [dropNotAllowed="x-dd-drop-nodrop"]
+ * The CSS class returned to the drag source when drop is not allowed.
+ */
+ dropNotAllowed : Ext.baseCSSPrefix + 'dd-drop-nodrop',
+
+ // private
+ isTarget : true,
+
+ // private
+ isNotifyTarget : true,
+
+ /**
+ * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the source is now over the
+ * target. This default implementation adds the CSS class specified by overClass (if any) to the drop element
+ * and returns the dropAllowed config value. This method should be overridden if drop validation is required.
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
+ * @param {Event} e The event
+ * @param {Object} data An object containing arbitrary data supplied by the drag source
+ * @return {String} status The CSS class that communicates the drop status back to the source so that the
+ * underlying {@link Ext.dd.StatusProxy} can be updated
+ */
+ notifyEnter : function(dd, e, data){
+ if(this.overClass){
+ this.el.addCls(this.overClass);
+ }
+ return this.dropAllowed;
+ },
+
+ /**
+ * The function a {@link Ext.dd.DragSource} calls continuously while it is being dragged over the target.
+ * This method will be called on every mouse movement while the drag source is over the drop target.
+ * This default implementation simply returns the dropAllowed config value.
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
+ * @param {Event} e The event
+ * @param {Object} data An object containing arbitrary data supplied by the drag source
+ * @return {String} status The CSS class that communicates the drop status back to the source so that the
+ * underlying {@link Ext.dd.StatusProxy} can be updated
+ */
+ notifyOver : function(dd, e, data){
+ return this.dropAllowed;
+ },
+
+ /**
+ * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the source has been dragged
+ * out of the target without dropping. This default implementation simply removes the CSS class specified by
+ * overClass (if any) from the drop element.
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
+ * @param {Event} e The event
+ * @param {Object} data An object containing arbitrary data supplied by the drag source
+ */
+ notifyOut : function(dd, e, data){
+ if(this.overClass){
+ this.el.removeCls(this.overClass);
+ }
+ },
+
+ /**
+ * The function a {@link Ext.dd.DragSource} calls once to notify this drop target that the dragged item has
+ * been dropped on it. This method has no default implementation and returns false, so you must provide an
+ * implementation that does something to process the drop event and returns true so that the drag source's
+ * repair action does not run.
+ * @param {Ext.dd.DragSource} source The drag source that was dragged over this drop target
+ * @param {Event} e The event
+ * @param {Object} data An object containing arbitrary data supplied by the drag source
+ * @return {Boolean} False if the drop was invalid.
+ */
+ notifyDrop : function(dd, e, data){
+ return false;
+ },
+
+ destroy : function(){
+ this.callParent();
+ if(this.containerScroll){
+ Ext.dd.ScrollManager.unregister(this.el);
+ }
+ }
+});
+