📄 b30-1774432.zul

📁 ZK是一个Ajax Java Web框架

💻 ZUL

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<window>
<html><![CDATA[
To reproduce the bug:
<ol>
<li>Select "Item 2"</li>
<li>Click remove</li>
<li>Click append</li>
<li>"Item 3" is appended</li>
<li>Click append</li>
<li>"Item 4" is appended</li>
<li>Click append</li>
</ol>
Error Message:
"Failed to invoke zkTree.setAttr
el has no properties". And, it shall not appear.
]]></html>
<tree id="t" mold="paging" pageSize="3">
	<treechildren>
				<treeitem>
								<treerow >
									<treecell label="Item 1"/>
								</treerow>
				</treeitem>
				<treeitem>
								<treerow >
									<treecell label="Item 2"/>
								</treerow>
				</treeitem>
	</treechildren>
</tree>
<zscript>
	int count =2;
	public void append() {
		count++;
		Treeitem ti = new Treeitem("Item "+count);
		Treechildren tc = t.getTreechildren();
		ti.setParent(tc);
	}
	public void remove() {
		Treeitem ti = t.getSelectedItem();
		if (ti != null) ti.detach();
		else alert("You have to select an item first");
	}
	public void removeLast() {
		List kids = t.getTreechildren().getChildren();
		if (!kids.isEmpty())
			kids.get(kids.size() - 1).detach();
	}
</zscript>
<button label="append" onClick="append()"/>
<button label="remove" onClick="remove()"/>
<button label="remove last" onClick="removeLast()"/>
<button label="redraw" onClick="t.invalidate()"/>
</window>

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