b30-1852313.zul

ZK是一个Ajax Java Web框架

<?xml version="1.0" encoding="UTF-8"?>

<!--
B30-1852313.zul

{{IS_NOTE
	Purpose:
		
	Description:
		
	History:
		Tue Dec 18 11:32:12 TST 2007, Created by jumperchen
}}IS_NOTE

Copyright (C) 2007 Potix Corporation. All Rights Reserved.

{{IS_RIGHT
}}IS_RIGHT
-->
<zk
	xmlns="http://www.zkoss.org/2005/zul"
	xmlns:h="http://www.w3.org/1999/xhtml"
	xmlns:n="http://www.zkoss.org/2005/zk/native">
	<n:h3>When you open the tree node, the browser should not have any error!</n:h3>

	<window>

		<zscript><![CDATA[

	int counter = 3;
	String az = "The quick brown fox jumped over the lazy dog";
	Random r = new Random();

	EventListener aa = new EventListener()
	{
	  public void onEvent(Event event)
	  {
	    autoAdd( event.target );
	  }
	};

	void autoAdd(Treeitem parent)
	{
		if ( parent.treechildren == null )
		  parent.appendChild( new Treechildren() );

		if ( !parent.empty )
		  return;

		for (int i=0; i < 10; i++)
		{
			Treeitem ti = new Treeitem();
			Treerow  tr = new Treerow();
			String   c  = Integer.toString( ++counter );

			for ( int x=0 ; x < 4 ; x++ )
			{
				switch ( r.nextInt() % 3 )
				{
				  case 0: createLabelCell (c).setParent(tr); break;
				  case 1: createDoubleCell(counter).setParent(tr);
				  case 2: createLabelCell (az).setParent(tr); break;
				}
			}

			tr.setParent(ti);
			ti.setOpen(false);
			ti.appendChild( new Treechildren() );
			ti.addEventListener( "onOpen", aa );
			ti.setParent( parent.treechildren );
		}
	}

	Treecell createDoubleCell( Double x )
	{
	  Treecell tc = new Treecell();
	  tc.appendChild( new Doublebox( x ) );
	  return tc;
	}
	Treecell createLabelCell( String x )
	{
	  Treecell tc = new Treecell();
	  tc.appendChild( new Label( x ) );
	  return tc;
	}
	]]></zscript>


		<tree
			id="tree"
			rows="30"
			width="100%"
			pageSize="-1">
			<treecols>
				<treecol label="A" />
				<treecol label="B" />
				<treecol label="C" />
				<treecol label="D" />
			</treecols>
			<treechildren>
				<treeitem open="false" onOpen="if (event.open) autoAdd(self)">
					<treerow>
						<treecell label="Item 1.a" />
						<treecell label="Item 1.b" />
						<treecell label="Item 1.c" />
						<treecell label="Item 1.d" />
					</treerow>
					<treechildren />
				</treeitem>
				<treeitem open="false" onOpen="if (event.open) autoAdd(self)">
					<treerow>
						<treecell label="Item 2.a" />
						<treecell label="Item 2.b" />
						<treecell label="Item 2.c" />
						<treecell label="Item 2.d" />
					</treerow>
					<treechildren />
				</treeitem>
				<treeitem open="false" onOpen="if (event.open) autoAdd(self)">
					<treerow>
						<treecell label="Item 3.a" />
						<treecell label="Item 3.b" />
						<treecell label="Item 3.c" />
						<treecell label="Item 3.d" />
					</treerow>
					<treechildren />
				</treeitem>
			</treechildren>
		</tree>

	</window>
</zk>