treedisablewrapextension.js

来自「对java中如何使用Ajax技术」· JavaScript 代码 · 共 56 行

/*
	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.widget.TreeDisableWrapExtension" );

dojo.require( "dojo.widget.HtmlWidget" );
dojo.require( "dojo.widget.TreeExtension" );

// selector extension to emphasize node
dojo.widget.defineWidget(
	"dojo.widget.TreeDisableWrapExtension",
	dojo.widget.TreeExtension,
{
	/**
	 * can't unlisten
	 */
	templateCssPath: dojo.uri.dojoUri( "src/widget/templates/TreeDisableWrap.css" ),
		
	listenTree: function(tree) {
		
		var wrappingDiv = document.createElement( "div" );
		var clazz = tree.classPrefix+"DisableWrap";
		if (dojo.render.html.ie) {
			clazz = clazz+' '+ tree.classPrefix+"IEDisableWrap";
		}
		dojo.html.setClass(wrappingDiv, clazz);
		
		var table = document.createElement( "table" );
		wrappingDiv.appendChild( table );
		
		var tbody = document.createElement( "tbody" );
		table.appendChild( tbody );
		
		var tr = document.createElement( "tr" );
		tbody.appendChild( tr );
		
		var td = document.createElement( "td" );
		tr.appendChild( td );
		
		if( tree.domNode.parentNode ) {
			tree.domNode.parentNode.replaceChild( wrappingDiv, tree.domNode );
		}
		
		td.appendChild( tree.domNode );
		tree.domNode = wrappingDiv;
	}
});