/*! - * Ext JS Library 3.0.3 - * Copyright(c) 2006-2009 Ext JS, LLC + * Ext JS Library 3.2.1 + * Copyright(c) 2006-2010 Ext JS, Inc. * licensing@extjs.com * http://www.extjs.com/license */ -/** - * @class Ext.dd.DragZone - * @extends Ext.dd.DragSource - *+/** + * @class Ext.dd.DragZone + * @extends Ext.dd.DragSource + *This class provides a container DD instance that allows dragging of multiple child source nodes.
- *This class does not move the drag target nodes, but a proxy element which may contain - * any DOM structure you wish. The DOM element to show in the proxy is provided by either a - * provided implementation of {@link #getDragData}, or by registered draggables registered with {@link Ext.dd.Registry}
- *If you wish to provide draggability for an arbitrary number of DOM nodes, each of which represent some - * application object (For example nodes in a {@link Ext.DataView DataView}) then use of this class - * is the most efficient way to "activate" those nodes.
- *By default, this class requires that draggable child nodes are registered with {@link Ext.dd.Registry}. - * However a simpler way to allow a DragZone to manage any number of draggable elements is to configure - * the DragZone with an implementation of the {@link #getDragData} method which interrogates the passed - * mouse event to see if it has taken place within an element, or class of elements. This is easily done - * by using the event's {@link Ext.EventObject#getTarget getTarget} method to identify a node based on a - * {@link Ext.DomQuery} selector. For example, to make the nodes of a DataView draggable, use the following - * technique. Knowledge of the use of the DataView is required:
- * See the {@link Ext.dd.DropZone DropZone} documentation for details about building a DropZone which - * cooperates with this DragZone. - * @constructor - * @param {Mixed} el The container element - * @param {Object} config - */ -Ext.dd.DragZone = function(el, config){ - Ext.dd.DragZone.superclass.constructor.call(this, el, config); - if(this.containerScroll){ - Ext.dd.ScrollManager.register(this.el); - } -}; - -Ext.extend(Ext.dd.DragZone, Ext.dd.DragSource, { - /** - * This property contains the data representing the dragged object. This data is set up by the implementation - * of the {@link #getDragData} method. It must contain a ddel property, but can contain - * any other data according to the application's needs. - * @type Object - * @property dragData - */ - /** - * @cfg {Boolean} containerScroll True to register this container with the Scrollmanager - * for auto scrolling during drag operations. - */ - /** - * @cfg {String} hlColor The color to use when visually highlighting the drag source in the afterRepair - * method after a failed drop (defaults to "c3daf9" - light blue) - */ - - /** - * Called when a mousedown occurs in this container. Looks in {@link Ext.dd.Registry} - * for a valid target to drag based on the mouse down. Override this method - * to provide your own lookup logic (e.g. finding a child by class name). Make sure your returned - * object has a "ddel" attribute (with an HTML Element) for other functions to work. - * @param {EventObject} e The mouse down event - * @return {Object} The dragData - */ - getDragData : function(e){ - return Ext.dd.Registry.getHandleFromEvent(e); - }, - - /** - * Called once drag threshold has been reached to initialize the proxy element. By default, it clones the - * this.dragData.ddel - * @param {Number} x The x position of the click on the dragged object - * @param {Number} y The y position of the click on the dragged object - * @return {Boolean} true to continue the drag, false to cancel - */ - onInitDrag : function(x, y){ - this.proxy.update(this.dragData.ddel.cloneNode(true)); - this.onStartDrag(x, y); - return true; - }, - - /** - * Called after a repair of an invalid drop. By default, highlights this.dragData.ddel - */ - afterRepair : function(){ - if(Ext.enableFx){ - Ext.Element.fly(this.dragData.ddel).highlight(this.hlColor || "c3daf9"); - } - this.dragging = false; - }, - - /** - * Called before a repair of an invalid drop to get the XY to animate to. By default returns - * the XY of this.dragData.ddel - * @param {EventObject} e The mouse up event - * @return {Array} The xy location (e.g. [100, 200]) - */ - getRepairXY : function(e){ - return Ext.Element.fly(this.dragData.ddel).getXY(); - } -});-myDataView.on('render', function() { - myDataView.dragZone = new Ext.dd.DragZone(myDataView.getEl(), { - -// On receipt of a mousedown event, see if it is within a DataView node. -// Return a drag data object if so. - getDragData: function(e) { - -// Use the DataView's own itemSelector (a mandatory property) to -// test if the mousedown is within one of the DataView's nodes. - var sourceEl = e.getTarget(myDataView.itemSelector, 10); - -// If the mousedown is within a DataView node, clone the node to produce -// a ddel element for use by the drag proxy. Also add application data -// to the returned data object. - if (sourceEl) { - d = sourceEl.cloneNode(true); - d.id = Ext.id(); - return { - ddel: d, - sourceEl: sourceEl, - repairXY: Ext.fly(sourceEl).getXY(), - sourceStore: myDataView.store, - draggedRecord: v.getRecord(sourceEl) - } - } - }, - -// Provide coordinates for the proxy to slide back to on failed drag. -// This is the original XY coordinates of the draggable element captured -// in the getDragData method. - getRepairXY: function() { - return this.dragData.repairXY; - } - }); -});
This class provides a container DD instance that allows dragging of multiple child source nodes.
+ *This class does not move the drag target nodes, but a proxy element which may contain + * any DOM structure you wish. The DOM element to show in the proxy is provided by either a + * provided implementation of {@link #getDragData}, or by registered draggables registered with {@link Ext.dd.Registry}
+ *If you wish to provide draggability for an arbitrary number of DOM nodes, each of which represent some + * application object (For example nodes in a {@link Ext.DataView DataView}) then use of this class + * is the most efficient way to "activate" those nodes.
+ *By default, this class requires that draggable child nodes are registered with {@link Ext.dd.Registry}. + * However a simpler way to allow a DragZone to manage any number of draggable elements is to configure + * the DragZone with an implementation of the {@link #getDragData} method which interrogates the passed + * mouse event to see if it has taken place within an element, or class of elements. This is easily done + * by using the event's {@link Ext.EventObject#getTarget getTarget} method to identify a node based on a + * {@link Ext.DomQuery} selector. For example, to make the nodes of a DataView draggable, use the following + * technique. Knowledge of the use of the DataView is required:
+myDataView.on('render', function(v) {
+ myDataView.dragZone = new Ext.dd.DragZone(v.getEl(), {
+
+// On receipt of a mousedown event, see if it is within a DataView node.
+// Return a drag data object if so.
+ getDragData: function(e) {
+
+// Use the DataView's own itemSelector (a mandatory property) to
+// test if the mousedown is within one of the DataView's nodes.
+ var sourceEl = e.getTarget(v.itemSelector, 10);
+
+// If the mousedown is within a DataView node, clone the node to produce
+// a ddel element for use by the drag proxy. Also add application data
+// to the returned data object.
+ if (sourceEl) {
+ d = sourceEl.cloneNode(true);
+ d.id = Ext.id();
+ return {
+ ddel: d,
+ sourceEl: sourceEl,
+ repairXY: Ext.fly(sourceEl).getXY(),
+ sourceStore: v.store,
+ draggedRecord: v.{@link Ext.DataView#getRecord getRecord}(sourceEl)
+ }
+ }
+ },
+
+// Provide coordinates for the proxy to slide back to on failed drag.
+// This is the original XY coordinates of the draggable element captured
+// in the getDragData method.
+ getRepairXY: function() {
+ return this.dragData.repairXY;
+ }
+ });
+});