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index.zulzul<?xml version="1.0" encoding="UTF-8"?>
<zk xmlns="http://www.zkoss.org/2005/zul">
<window title="Dynamically Change by Model">
<zscript><![CDATA[
public class MyRenderer implements TreeitemRenderer {
public void render(Treeitem ti, Object data) throws Exception {
MySimpleTreeNode node = (MySimpleTreeNode)data;
Treecell tc = new Treecell(node.getName());
Treerow tr = null;
if(ti.getTreerow()==null){
tr = new Treerow();
tr.setParent(ti);
}else{
tr = ti.getTreerow();
tr.getChildren().clear();
}
tc.setParent(tr);
ti.setValue("ZK BEST");
}
}
class MySimpleTreeNode extends SimpleTreeNode {
private String myData = null;
public MySimpleTreeNode(String data, List children) {
super(data, children);
myData = data.toString();
}
public String toString() {
return "I am toString: " + myData;
}
public String getName(){
return "I am getName():"+myData;
}
public void append(String data) {
myData = myData + data;
}
public Object getData() {
return myData;
}
}
List aChildren = new ArrayList();
List empty = new ArrayList();
List a2Children = new ArrayList();
MySimpleTreeNode a20 = new MySimpleTreeNode("A2-0", empty);
MySimpleTreeNode a21 = new MySimpleTreeNode("A2-1", empty);
MySimpleTreeNode a22 = new MySimpleTreeNode("A2-2", empty);
a2Children.add(a20);
a2Children.add(a21);
a2Children.add(a22);
MySimpleTreeNode a0 = new MySimpleTreeNode("A0", empty);
MySimpleTreeNode a1 = new MySimpleTreeNode("A1", empty);
MySimpleTreeNode a2 = new MySimpleTreeNode("A2", a2Children);
aChildren.add(a0);
aChildren.add(a1);
aChildren.add(a2);
List children = new ArrayList();
MySimpleTreeNode a = new MySimpleTreeNode("A", aChildren);
children.add(a);
List bChildren = new ArrayList();
MySimpleTreeNode b0 = new MySimpleTreeNode("B0", empty);
MySimpleTreeNode b1 = new MySimpleTreeNode("B1", empty);
MySimpleTreeNode b2 = new MySimpleTreeNode("B2", empty);
bChildren.add(b0);
bChildren.add(b1);
bChildren.add(b2);
MySimpleTreeNode b = new MySimpleTreeNode("B", bChildren);
children.add(b);
List rList = new ArrayList();
rList.add(a);
rList.add(b);
MySimpleTreeNode r = new MySimpleTreeNode("Root", rList);
List r2List = new ArrayList();
r2List.add(new MySimpleTreeNode("I am R2-1", empty));
MySimpleTreeNode r2 = new MySimpleTreeNode("Root2", r2List);
List rootList = new ArrayList();
rootList.add(r);
rootList.add(r2);
MySimpleTreeNode root = new MySimpleTreeNode("SuperRoot", rootList);
SimpleTreeModel stm = new SimpleTreeModel(root);
MyRenderer renderer = new MyRenderer();
public void update(){
r.append("a");
a.append("debug");
a0.append("0");
b0.append("0");
a22.append("2");
stm.fireEvent(root,0,0,org.zkoss.zul.event.TreeDataEvent.CONTENTS_CHANGED);
stm.fireEvent(r,0,0,org.zkoss.zul.event.TreeDataEvent.CONTENTS_CHANGED);
stm.fireEvent(a,0,0,org.zkoss.zul.event.TreeDataEvent.CONTENTS_CHANGED);
stm.fireEvent(b,0,0,org.zkoss.zul.event.TreeDataEvent.CONTENTS_CHANGED);
stm.fireEvent(a2,2,2,org.zkoss.zul.event.TreeDataEvent.CONTENTS_CHANGED);
}
]]></zscript>
<vbox>
<tree treeitemRenderer="${renderer}" model="${stm}" id="tree" width="700PX">
<attribute name="onSelect">
alert(self.selectedItem.label+" has value "+self.selectedItem.value);
</attribute>
</tree>
<hbox>
<button label='update' onClick='update()' />
</hbox>
</vbox>
</window>
</zk>