b30-1829640.zul

ZK是一个Ajax Java Web框架

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

<!--
B30-1829640.zul

{{IS_NOTE
	Purpose:
		
	Description:
		
	History:
		Mon Nov 19 14:48:04 TST 2007, Created by jumperchen
}}IS_NOTE

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

{{IS_RIGHT
}}IS_RIGHT
-->
<window xmlns:h="http://www.w3.org/1999/xhtml">
Notice : <separator />
Drag and drop Does not work in FF 2.0.0.9 but work in 2.0.0.13
<separator />
light bar only show in IE
<separator />
    <vbox id="parent" width="80%">
        <html/>
        <html/>
        <html/>
        <html/>
        <html/>
        <html/>
    </vbox>


    <zscript>
        <![CDATA[
        int lineno = 1;
        for (Html h : parent.getChildren()) {
            h.setContent("<table><tr><td>Line " + (lineno++) + " - drag and drop onto another line - works in IE7</td></tr></table>");
            h.setDraggable("true");
            h.setDroppable("true");
            /* code to rearrange children after drop */
            h.addEventListener("onDrop", new org.zkoss.zk.ui.event.EventListener() {
                public void onEvent(e) {
                    source = e.getDragged();
                    target = e.getTarget();
                    int targetIndex =parent.getChildren().indexOf(target);
                    int sourceIndex =parent.getChildren().indexOf(source);

                    if (sourceIndex < targetIndex) {
                        if (targetIndex == parent.getChildren().size() -1)
                            parent.appendChild(source);
                        else
                            parent.insertBefore(source,
                                   
(Component)parent.getChildren().get(targetIndex+1));
                    } else {
                        parent.insertBefore(source, target);
                    }        
                    /* Work-around for bug in ZK 3.0.0: 
                     * If we do not invalidate the parent, it will crashwith
                     * a java.lang.InternalError.
                     */
                     parent.invalidate();
                }
            });
        }
        ]]>
    </zscript>
</window>