Suggested case list:
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2guest220.135.202.140310gp61Mar 29, 2013 10:04:18 AMlinkresources
index.zulzul<zk>
<div id="div" apply="org.zkoss.bind.BindComposer" viewModel="@id('vm') @init('test.TreePerformanceTestComposer')">
<tree model="@load(vm.model)" mold="paging" pageSize="20">
<template name="model" var="row">
<treeitem>
<treerow>
<treecell label="@load(row.data.dataOne)" />
<treecell label="@load(row.data.dataTwo)" />
<treecell label="@load(row.data.dataThree)" />
</treerow>
</treeitem>
</template>
</tree>
</div>
</zk>TreePerformanceTestComposer.javajava
import java.util.Random;
import org.zkoss.zk.ui.select.SelectorComposer;
import org.zkoss.zul.DefaultTreeModel;
import org.zkoss.zul.DefaultTreeNode;
import org.zkoss.zul.Treecell;
import org.zkoss.zul.Treeitem;
import org.zkoss.zul.TreeModel;
import org.zkoss.zul.TreeNode;
import org.zkoss.zul.TreeitemRenderer;
import org.zkoss.zul.Treerow;
public class TreePerformanceTestComposer extends SelectorComposer {
TreeModel _model;
TreeNode _root;
public TreeModel getModel () {
if (_model == null) {
_model = new DefaultTreeModel(getRoot());
}
return _model;
}
public TreeNode getRoot () {
Random r = new Random();
if (_root == null) {
TreeNode[] nodes = new TreeNode[2000];
for (int i = 0; i < nodes.length; i++) {
nodes[i] = new DefaultTreeNode(new TreePerformanceTestData("dataOne__" + r.nextInt(), "dataTwo__" + r.nextInt(), "dataThree__" + r.nextInt()));
}
_root = new DefaultTreeNode(null, nodes);
}
return _root;
}
public TreeitemRenderer getRenderer () {
return new TreeitemRenderer () {
public void render(Treeitem item, Object data, int index) throws Exception {
TreePerformanceTestData value = (TreePerformanceTestData)((DefaultTreeNode)data).getData();
item.setValue(value);
Treerow tr = new Treerow();
new Treecell(value.getDataOne()).setParent(tr);
new Treecell(value.getDataTwo()).setParent(tr);
new Treecell(value.getDataThree()).setParent(tr);
tr.setParent(item);
}
};
}
}
TreePerformanceTestData.javajava
import java.util.Random;
public class TreePerformanceTestData {
static int count = 0;
private String _dataOne;
private String _dataTwo;
private String _dataThree;
public TreePerformanceTestData (String dataOne, String dataTwo, String dataThree) {
Random r = new Random();
_dataOne = dataOne;
_dataTwo = dataTwo;
_dataThree = dataThree;
}
public String getDataOne () {
count++;
System.out.println(count);
return _dataOne;
}
public void setDataOne (String dataOne) {
_dataOne = dataOne;
}
public String getDataTwo () {
return _dataTwo;
}
public void setDataTwo (String dataTwo) {
_dataTwo = dataTwo;
}
public String getDataThree () {
return _dataThree;
}
public void setDataThree (String dataThree) {
_dataThree = dataThree;
}
}