/*
+ * This is a derivative of the similarly named class in the YUI Library.
+ * The original license:
+ * Copyright (c) 2006, Yahoo! Inc. All rights reserved.
+ * Code licensed under the BSD License:
+ * http://developer.yahoo.net/yui/license.txt
+ */
+
+
+/**
+ * @class Ext.dd.DDTarget
+ * A DragDrop implementation that does not move, but can be a drop
+ * target. You would get the same result by simply omitting implementation
+ * for the event callbacks, but this way we reduce the processing cost of the
+ * event listener and the callbacks.
+ * @extends Ext.dd.DragDrop
+ * @constructor
+ * @param {String} id the id of the element that is a drop target
+ * @param {String} sGroup the group of related DragDrop objects
+ * @param {object} config an object containing configurable attributes
+ * Valid properties for DDTarget in addition to those in
+ * DragDrop:
+ * none
+ */
+Ext.define('Ext.dd.DDTarget', {
+ extend: 'Ext.dd.DragDrop',
+ constructor: function(id, sGroup, config) {
+ if (id) {
+ this.initTarget(id, sGroup, config);
+ }
+ },
+
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ getDragEl: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ isValidHandleChild: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ startDrag: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ endDrag: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onDrag: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onDragDrop: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onDragEnter: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onDragOut: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onDragOver: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onInvalidDrop: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onMouseDown: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ onMouseUp: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ setXConstraint: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ setYConstraint: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ resetConstraints: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ clearConstraints: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ clearTicks: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ setInitPosition: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ setDragElId: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ setHandleElId: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ setOuterHandleElId: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ addInvalidHandleClass: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ addInvalidHandleId: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ addInvalidHandleType: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ removeInvalidHandleClass: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ removeInvalidHandleId: Ext.emptyFn,
+ /**
+ * @hide
+ * Overridden and disabled. A DDTarget does not support being dragged.
+ * @method
+ */
+ removeInvalidHandleType: Ext.emptyFn,
+
+ toString: function() {
+ return ("DDTarget " + this.id);
+ }
+});