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index.zulzul<zk>
<window apply="org.zkoss.bind.BindComposer"
viewModel="@id('vm') @init('pkg$.TestVM')">
<label multiline="true"><![CDATA[
[Analysis]
1.click update path, label of comp1 : ['Item A:1','Item B:1'], box1 :['Item A:2','Item B:2']
[[path -> node change, teamplate doesn't chagne -> just reload node A and B (both load 2nd time)]]
2.reload, click updateA, label of comp1 : ['Item A.*:x:0','Item B:1'], box1 :['Item A.*:0','Item B:1']
[[node A -> tempatel changes -> reload teamplate (A template change, B load 2nd time)]]
3.reload, click updateAName, label of comp1 : ['Item A.name:0','Item B:1'], box1 :['Item A.name:0','Item B:1']
[[node A.name -> tempatel not notified -> just reload node a]]
4.reload, click updateB, label of comp1 : ['Item A:1','Item B.*:x:0'], box1 :['Item A:1','Item B.*:0']
5.reload, click updateBName, label of comp1 : ['Item A:1','Item B.name:0'], box1 :['Item A:1','Item B.name:0']
========================
]]></label>
<listbox id="listbox" model="@load(vm.collection) @template(each.type)">
<template name="type1" var="cnode">
<listitem label="@load(vm.get1(cnode.name))"/>
</template>
<template name="type2" var="cnode">
<listitem label="@load(vm.get1x(cnode.name))"/>
</template>
</listbox>
<hbox id="box1" children="@load(vm.path)">
<template name="children" var="pnode">
<label value="@load(vm.get2(pnode.name))"/>
</template>
</hbox>
<label value="@load(vm.nodeA.name)" />
<button label="clear" onClick="@command('clear')"/>
<button id="updatePath" label="update path" onClick="@command('updatePath')"/>
<button id="updateA" label="update nodeA.*" onClick="@command('notifyChangeA')"/>
<button id="updateAName" label="update nodeA.name" onClick="@command('notifyChangeAName')"/>
<button id="updateB" label="update nodeB.*" onClick="@command('notifyChangeB')"/>
<button id="updateBName" label="update nodeB.name" onClick="@command('notifyChangeBName')"/>
<button label="dump" onClick="binder.getTracker().dump()"/>
</window>
</zk>TestVM.javajavaimport java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import org.zkoss.bind.BindUtils;
import org.zkoss.bind.annotation.BindingParam;
import org.zkoss.bind.annotation.Command;
import org.zkoss.bind.annotation.Init;
import org.zkoss.bind.annotation.NotifyChange;
public class TestVM {
Node nodeA;
Node nodeB;
Node nodeC;
private List<Node> collection = new ArrayList();
private List<Node> path = new ArrayList();
@Init
public void init() {
nodeA = new Node("Item A");
nodeB = new Node("Item B");
path.add(nodeA);
path.add(nodeB);
collection.add(nodeA);
collection.add(nodeB);
}
HashMap<Object,Integer> counts1 = new HashMap<Object,Integer>();
HashMap<Object,Integer> counts1x = new HashMap<Object,Integer>();
HashMap<Object,Integer> counts2 = new HashMap<Object,Integer>();
HashMap<Object,Integer> counts3 = new HashMap<Object,Integer>();
public String get1(final Object n){
Wrap r = new Wrap(n);
Integer c = counts1.get(r);
if(c==null){
counts1.put(r, c = 0);
}else{
counts1.put(r, c = c+1);
}
// System.out.println(">>get count1 of "+n+":"+c);
return n+":"+c;
}
public String get1x(final Object n){
Wrap r = new Wrap(n);
Integer c = counts1x.get(r);
if(c==null){
counts1x.put(r, c = 0);
}else{
counts1x.put(r, c = c+1);
}
// System.out.println(">>get counts1x of "+n+":"+c);
return n+":x:"+c;
}
public String get2(final Object n){
Wrap r = new Wrap(n);
Integer c = counts2.get(r);
if(c==null){
counts2.put(r, c = 0);
}else{
counts2.put(r, c = c+1);
}
// System.out.println(">>get count2 of "+n+":"+c);
return n+":"+c;
}
public String get3(final Object n){
Wrap r = new Wrap(n);
Integer c = counts3.get(r);
if(c==null){
counts3.put(r, c = 0);
}else{
counts3.put(r, c = c+1);
}
// System.out.println(">>get count3 of "+n+":"+c);
return n+":"+c;
}
public Node getNodeA() {
return nodeA;
}
public Node getNodeB() {
return nodeB;
}
public Node getNodeC() {
return nodeC;
}
public List<Node> getPath() {
return path;
}
public List<Node> getCollection() {
return collection;
}
@Command
@NotifyChange({"path","collection"})
public void clear() {
collection.clear();
path.clear();
}
@Command
@NotifyChange("path")
public void updatePath() {
// path.add(new Node("New "+count++));
}
@Command
@NotifyChange("collection")
public void updateCollection() {
}
@Command
public void notifyChangeA() {
nodeA.type="type2";
nodeA.name = "Item A.*";
BindUtils.postNotifyChange(null, null, nodeA, "*");
}
@Command
public void notifyChangeAName() {
nodeA.type="type2";//change type, but notify name change, it shouldn't trigger template reload
nodeA.name = "Item A.name";
BindUtils.postNotifyChange(null, null, nodeA, "name");
}
@Command
public void notifyChangeB() {
nodeB.type="type2";
nodeB.name = "Item B.*";
BindUtils.postNotifyChange(null, null, nodeB, "*");
}
@Command
public void notifyChangeBName() {
nodeB.type="type2";
nodeB.name = "Item B.name";
BindUtils.postNotifyChange(null, null, nodeB, "name");
}
public static class Node {
String name;
String type = "type1";
public Node(String name) {
super();
this.name = name;
}
public String getName() {
return name;
}
public String getType(){
return type;
}
public String toString(){
return getClass().getSimpleName()+"@"+System.identityHashCode(this);
}
}
static class Wrap {
Object w;
public Wrap(Object w){
this.w = w;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((w == null) ? 0 : w.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Wrap other = (Wrap) obj;
if (w == null) {
if (other.w != null)
return false;
} else if (w != other.w)
return false;
return true;
}
}
public String toString(){
return getClass().getSimpleName()+"@"+System.identityHashCode(this);
}
}