org.zkoss.zkdemo.test2.tree
Class BinaryTreeModel

java.lang.Object
  org.zkoss.zul.AbstractTreeModel
      org.zkoss.zkdemo.test2.tree.BinaryTreeModel

All Implemented Interfaces:

java.io.Serializable, TreeModel

public class BinaryTreeModel
extends AbstractTreeModel

A simple implementation of binary tree model by an arraylist

Author:

Jeff Liu

See Also:

Serialized Form

Constructor Summary

BinaryTreeModel(java.util.List tree)
Constructor

Method Summary

java.lang.Object	getChild(java.lang.Object parent, int index) Returns the child of parent at index index in the parent's child array.
int	getChildCount(java.lang.Object parent) Returns the number of children of parent.
boolean	isLeaf(java.lang.Object node) Returns true if node is a leaf.

Methods inherited from class org.zkoss.zul.AbstractTreeModel

addTreeDataListener, fireEvent, getPath, getRoot, removeTreeDataListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BinaryTreeModel

public BinaryTreeModel(java.util.List tree)

Constructor

Parameters:

tree - the list is contained all data of nodes.

Method Detail

getChild

public java.lang.Object getChild(java.lang.Object parent,
                                 int index)

Description copied from interface: TreeModel

Returns the child of parent at index index in the parent's child array.

Parameters:

parent - a node in the tree, obtained from this data source

Returns:

the child of parent at index index

getChildCount

public int getChildCount(java.lang.Object parent)

Description copied from interface: TreeModel

Returns the number of children of parent.

Parameters:

parent - a node in the tree, obtained from this data source

Returns:

the number of children of the node parent

isLeaf

public boolean isLeaf(java.lang.Object node)

Description copied from interface: TreeModel

Returns true if node is a leaf.

Parameters:

node - a node in the tree, obtained from this data source

Returns:

true if node is a leafs