org.zkoss.zkdemo.test2.tree
Class TreeModelA

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

All Implemented Interfaces:

java.io.Serializable, TreeModel

public class TreeModelA
extends AbstractTreeModel

A simple implementation of TreeModel.

Author:

Jeff Liu

See Also:

Serialized Form

Constructor Summary

TreeModelA(java.lang.Object root)
Constructor.

Method Summary

void	add(java.lang.Object parent, java.lang.Object[] newNodes) append new nodes which parent is parent by new nodes newNodes
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.
java.lang.Object	getRoot() Return the root of tree
void	insert(java.lang.Object parent, int indexFrom, int indexTo, java.lang.Object[] newNodes) insert new nodes which parent is parent with indexes indexes by new nodes newNodes
boolean	isLeaf(java.lang.Object node) Returns true if node is a leaf.
void	remove(java.lang.Object parent, int indexFrom, int indexTo) remove the nodes which parent is parent with indexes indexes
void	set(java.lang.Object parent, int indexFrom, int indexTo, java.lang.Object[] values) Modify the nodes which parent is parent with indexes indexes by values

Methods inherited from class org.zkoss.zul.AbstractTreeModel

addTreeDataListener, fireEvent, getPath, removeTreeDataListener

Methods inherited from class java.lang.Object

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

Constructor Detail

TreeModelA

public TreeModelA(java.lang.Object root)

Constructor.

Parameters:

root - - the root of tree

Method Detail

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

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

getRoot

public java.lang.Object getRoot()

Description copied from class: AbstractTreeModel

Return the root of tree

Specified by:

getRoot in interface TreeModel

Overrides:

getRoot in class AbstractTreeModel

Returns:

the root of tree

set

public void set(java.lang.Object parent,
                int indexFrom,
                int indexTo,
                java.lang.Object[] values)
         throws java.lang.IndexOutOfBoundsException

Modify the nodes which parent is parent with indexes indexes by values

Parameters:

parent - The parent of nodes are modified

indexFrom - the lower index of the change range

indexTo - the upper index of the change range

values - The new values of nodes are modified

Throws:

java.lang.IndexOutOfBoundsException - - indexFrom < 0 or indexTo > number of parent's children

remove

public void remove(java.lang.Object parent,
                   int indexFrom,
                   int indexTo)
            throws java.lang.IndexOutOfBoundsException

remove the nodes which parent is parent with indexes indexes

Parameters:

parent - The parent of nodes are removed

indexFrom - the lower index of the change range

indexTo - the upper index of the change range

Throws:

java.lang.IndexOutOfBoundsException - - indexFrom < 0 or indexTo > number of parent's children

add

public void add(java.lang.Object parent,
                java.lang.Object[] newNodes)

append new nodes which parent is parent by new nodes newNodes

Parameters:

parent - The parent of nodes are appended

newNodes - New nodes which are appended

insert

public void insert(java.lang.Object parent,
                   int indexFrom,
                   int indexTo,
                   java.lang.Object[] newNodes)
            throws java.lang.IndexOutOfBoundsException

insert new nodes which parent is parent with indexes indexes by new nodes newNodes

Parameters:

parent - The parent of nodes are inserted

indexFrom - the lower index of the change range

indexTo - the upper index of the change range

newNodes - New nodes which are inserted

Throws:

java.lang.IndexOutOfBoundsException - - indexFrom < 0 or indexTo > number of parent's children