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index.zulzul<zk>
<zscript><![CDATA[
org.sts.Pruebas.PruebasModelArbol.BigList.BinaryTreeModel btm = new org.sts.Pruebas.PruebasModelArbol.BigList.BinaryTreeModel(
new ArrayList(
new org.sts.Pruebas.PruebasModelArbol.BigList.BigList(1000)));
public void open(){
btm.setOpenObjects(btm.getTree());
}
public void close(){
btm.setOpenObjects(new ArrayList());
}
]]></zscript>
<window title="" border="normal" >
<button onClick="open()" label="_abrir"/>
<button onClick="close()" label="_cerrar"/>
<tree id="arbol" model="${btm}" />
</window>
</zk>BigList.javajavaimport java.util.AbstractList;
public class BigList extends AbstractList<NodoItem> {
private int size;
public BigList(int sz) {
if (sz < 0)
throw new IllegalArgumentException("Negative not allowed: " + sz);
size = sz;
}
public int size() {
return size;
}
public NodoItem get(int j) {
return new NodoItem("Elemento " + j , "Descripcion de " + j);
}
}
BinaryTreeModel.javajavaimport java.util.ArrayList;
import java.util.List;
import org.zkoss.zul.AbstractTreeModel;
import org.zkoss.zul.TreeModel;
import org.zkoss.zul.ext.Openable;
import org.zkoss.zul.ext.TreeOpenableModel;
import org.zkoss.zul.ext.TreeSelectableModel;
public class BinaryTreeModel extends AbstractTreeModel<NodoItem> implements TreeSelectableModel {
/**
*
*/
private static final long serialVersionUID = 1L;
private ArrayList<NodoItem> _tree = null;
private int contador = 0;
public BinaryTreeModel(ArrayList<NodoItem> root) {
super(root.get(0));
_tree = root;
}
/**
* Método esRama. Devuelve true si tiene algun hijo, i false si no tiene
*/
public boolean isLeaf(NodoItem node) {
contador++;
// System.out.println("isleaf " + contador);
return (getChildCount(node) == 0);
}
public NodoItem getChild(NodoItem parent, int index) {
contador++;
// System.out.println("getChild " + contador);
int i = _tree.indexOf(parent) * 2 + 1 + index;
if (i >= _tree.size()) {
return null;
} else {
return _tree.get(i);
}
}
public int getChildCount(NodoItem parent) {
contador++;
// System.out.println("getChildCount " + contador);
int count = 0;
if (getChild(parent, 0) != null) {
count++;
}
if (getChild(parent, 1) != null) {
count++;
}
return count;
}
public int[] getPath (NodoItem child) {
int[] path = null;
List<Integer> bPath = new ArrayList<Integer>();
NodoItem node = child;
while (node != null) {
bPath.add(0, (_tree.indexOf(node) - 1) % 2);
node = getParent(node);
}
path = new int[bPath.size()];
for (int j = 0; j < bPath.size(); j++) {
path[ j ] = bPath.get(j);
}
return path;
}
public NodoItem getParent (Object child) {
int index = _tree.indexOf(child);
int i = 0;
if (index >= 2) {
i = (index - 1) / 2;
if (i >= 0
&& i < _tree.size()) {
return _tree.get(i);
}
}
return null;
}
public ArrayList<NodoItem> getTree(){
System.gc();
contador = 0;
return this._tree;
}
}NodoItem.javajava
public class NodoItem {
private String description = "1";
private String path = "2";
private String size;
public NodoItem(String path, String size, String literal){
this.path = path;
this.description = literal;
this.size = size;
}
public NodoItem(String path, String description){
this.path = path;
this.description = description;
this.size = null;
}
public String getDescription() {
return description;
}
public String getPath() {
return path;
}
public String getSize() {
return size;
}
}
test.zulzul<zk>
<window border="normal" title="hello" apply="pkg$.TestComposer">
<div>Welcome to ZK Fiddle , run it right now!</div>
<button id="btn" label="Click Me To Evalute Event Binding With Composer" />
</window>
</zk>