flymis/WebRoot/dojojs/src/dnd/HtmlDragAndDrop.js

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/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.dnd.HtmlDragAndDrop");

dojo.require("dojo.dnd.HtmlDragManager");
dojo.require("dojo.dnd.DragAndDrop");

dojo.require("dojo.html.*");
dojo.require("dojo.html.display");
dojo.require("dojo.html.util");
dojo.require("dojo.html.selection");
dojo.require("dojo.html.iframe");
dojo.require("dojo.lang.extras");
dojo.require("dojo.lfx.*");
dojo.require("dojo.event.*");

dojo.declare("dojo.dnd.HtmlDragSource", dojo.dnd.DragSource, {
	dragClass: "", // CSS classname(s) applied to node when it is being dragged

	onDragStart: function(){
		var dragObj = new dojo.dnd.HtmlDragObject(this.dragObject, this.type);
		if(this.dragClass) { dragObj.dragClass = this.dragClass; }

		if (this.constrainToContainer) {
			dragObj.constrainTo(this.constrainingContainer || this.domNode.parentNode);
		}

		return dragObj;
	},

	setDragHandle: function(node){
		node = dojo.byId(node);
		dojo.dnd.dragManager.unregisterDragSource(this);
		this.domNode = node;
		dojo.dnd.dragManager.registerDragSource(this);
	},

	setDragTarget: function(node){
		this.dragObject = node;
	},

	constrainTo: function(container) {
		this.constrainToContainer = true;
		if (container) {
			this.constrainingContainer = container;
		}
	},
	
	/*
	*
	* see dojo.dnd.DragSource.onSelected
	*/
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