b35-2149511.zul

ZK是一个Ajax Java Web框架

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

<!--
B35-2149511.zul

{{IS_NOTE
	Purpose:
		
	Description:
		
	History:
		Tue Oct  7 09:02:04     2008, Created by jumperchen
}}IS_NOTE

Copyright (C) 2008 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">

<window>
  
  <h:ol>
  <h:li>Open 'Item 1.a'</h:li>
  <h:li>Open 'Item 2.a' and 'Item 3.a'</h:li>
  <h:li>Scroll down to '23.A' and open it - notice that the tree has scrolled to top(That is wrong)</h:li>
  </h:ol>

		<zscript><![CDATA[

	int counter = 3;

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

	void autoAdd(Treeitem parent)
	{
		if ( parent.empty )
		{
			parent.removeEventListener( "onOpen", aa );

			for (int i=0; i < 10; i++)
			{
				Treeitem ti = new Treeitem();
				Treerow  tr = new Treerow();
				String   c  = Integer.toString( ++counter );
	
				tr.appendChild( new Treecell( c + ".A" ) );
				tr.appendChild( new Treecell( c + ".B" ) );
				tr.appendChild( new Treecell( c + ".C" ) );
				tr.appendChild( new Treecell( c + ".D" ) );
	
				ti.appendChild( tr );
				parent.treechildren.appendChild( ti );

				ti.setOpen(false);
				ti.setTooltiptext( "Node " + c );
				ti.addEventListener( "onOpen", aa );
				ti.appendChild( new Treechildren() );
			}
		}
	}
	]]></zscript>


		<tree
			id="tree"
			pageSize="-1"
			rows="20" >
			<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
							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>
				</treeitem>
			</treechildren>
		</tree>

	</window>
</zk>