b30-1823236.zul
来自「ZK是一个Ajax Java Web框架」· ZUL 代码 · 共 50 行
ZUL
50 行
<zk>
<html><![CDATA[
1. Watch the listbox headers, there should be two headers (header1, header2) there.<br/>
2. Press add item button, you should see first0 and last0 as the first Listitem. But the header2 appear and gone immediately. (IE show horizontal and vertical scrollbar).<br/>
3. Press invalidate will correct the case.<br/>
NOTE: The mentioned bug occurs only if you add item via ListModel and ListDataEvent. If you add Listitem and listcells directly, it works ok.<br/>
]]></html>
<zscript>
int count = 0;
List lst = new ArrayList(10);
ListModel lm = new ListModelList(lst);
class Person {
String fn;
String ln;
public Person(String f, String l) {
fn = f;
ln = l;
}
public getFn() {
return fn;
}
public getLn() {
return ln;
}
}
public class Rend implements ListitemRenderer {
public void render(Listitem item, java.lang.Object data) {
new Listcell(data.getFn()).setParent(item);
new Listcell(data.getLn()).setParent(item);
}
}
ListitemRenderer rend = new Rend();
</zscript>
<listbox id="lb" width="200px" model="${lm}" itemRenderer="${rend}">
<listhead>
<listheader label="header1"/>
<listheader label="header2"/>
</listhead>
</listbox>
<button label="add item">
<attribute name="onClick">
((List)lb.getModel()).add(new Person("first"+count, "last"+count));
++count;
</attribute>
</button>
<button label="invalidate" onClick="lb.invalidate()"/>
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