list2.zul

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

<!--
list2.zul

{{IS_NOTE
	Purpose:
		
	Description:
		
	History:
		Mon Aug 28 12:33:11     2006, Created by tomyeh
}}IS_NOTE

Copyright (C) 2006 Potix Corporation. All Rights Reserved.

{{IS_RIGHT
}}IS_RIGHT
-->
<window title="Listbox with Paging">
	<listbox id="list" width="300px" mold="paging">
		<listhead>
			<listheader label="Head 1"/>
			<listheader label="Head 2" align="center"/>
			<listheader label="Head 3" align="right"/>
		</listhead>
	</listbox>
	<button label="add 5 children" onClick="add(5)"/>
	<button label="Change the first label" onClick="changeLabel(0)"/>
	<button label="Change the last label" onClick="changeLabel(-1)"/>
	<button label="Remove selected" onClick="rmsel()"/>
	<button label="redraw" onClick="list.invalidate()"/>
	<zscript><![CDATA[
	void add(int cnt) {
		for (int j = 0; ++j <= cnt;) {
			Listitem li = new Listitem();
			String prefix = "Item " + (list.getItemCount() + 1);
			new Listcell(prefix + "-L").setParent(li);
			new Listcell(prefix + "-C").setParent(li);
			new Listcell(prefix + "-R").setParent(li);
			li.setParent(list);
		}
	}
	void changeLabel(int j) {
		int sz = list.getItemCount();
		if (j < 0) j = sz - 1;
		if (j < 0 || j >= sz) {
			alert("No label to change");
		} else {
			Listitem li = list.getItems().get(j);
			li.getChildren().get(0).setLabel("Updated "+j);
		}
	}
	void rmsel() {
		Listitem item = list.getSelectedItem();
		if (item != null) item.detach();
	}
	]]></zscript>

	<zscript>
		String[] data = new String[30];
		for(int j=0; j &lt; data.length; ++j) {
			data[j] = "option "+j;
		}
		ListModel strset = new SimpleListModel(data);
	</zscript>
	<listbox width="200px" mold="paging" pageSize="5" model="${strset}">
		<listhead>
			<listheader label="Load on Demend"/>
		</listhead>
	</listbox>
</window>