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// **********************************************************************
//
// Copyright (c) 2003-2005 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
package IceGrid;
import java.util.EventListener;
import javax.swing.tree.TreeModel;
import javax.swing.tree.TreePath;
import javax.swing.event.EventListenerList;
import javax.swing.event.TreeModelListener;
import javax.swing.event.TreeModelEvent;
import IceGrid.TreeNode.NodeViewRoot;
import IceGrid.TreeNode.ApplicationViewRoot;
public class TreeModelI implements TreeModel
{
//
// Available views
//
static public final int APPLICATION_VIEW = 0;
static public final int NODE_VIEW = 1;
static public final int VIEW_COUNT = 2;
//
// The per-view TreeModel
//
static public TreeModelI getTreeModel(int view)
{
if(view == NODE_VIEW)
{
if(_nodeModel == null)
{
_nodeModel = new TreeModelI(new NodeViewRoot());
}
return _nodeModel;
}
else if(view == APPLICATION_VIEW)
{
if(_applicationModel == null)
{
_applicationModel = new TreeModelI(
new ApplicationViewRoot((NodeViewRoot)getTreeModel(NODE_VIEW).getRoot()));
}
return _applicationModel;
}
else
{
return null;
}
}
public Object getRoot()
{
return _root;
}
public Object getChild(Object parent, int index)
{
return ((IceGrid.TreeNode.CommonBase)parent).getChildAt(index);
}
public int getChildCount(Object parent)
{
return ((IceGrid.TreeNode.CommonBase)parent).getChildCount();
}
public boolean isLeaf(Object node)
{
return ((IceGrid.TreeNode.CommonBase)node).isLeaf();
}
public void valueForPathChanged(TreePath path, Object newValue)
{
// TODO: implement
}
public int getIndexOfChild(Object parent, Object child)
{
if(parent == null)
{
return -1;
}
else
{
return ((IceGrid.TreeNode.CommonBase)parent).getIndex(child);
}
}
public void addTreeModelListener(TreeModelListener listener)
{
_listenerList.add(TreeModelListener.class, listener);
}
public void removeTreeModelListener(TreeModelListener listener)
{
_listenerList.remove(TreeModelListener.class, listener);
}
TreeModelI(Object root)
{
_root = root;
}
public void fireNodesChanged(TreeModelEvent e)
{
// Guaranteed to return a non-null array
Object[] listeners = _listenerList.getListenerList();
for(int i = listeners.length - 2; i >=0 ; i -= 2)
{
if (listeners[i] == TreeModelListener.class)
{
((TreeModelListener)listeners[i + 1]).treeNodesChanged(e);
}
}
}
public void fireStructureChanged(TreeModelEvent e)
{
// Guaranteed to return a non-null array
Object[] listeners = _listenerList.getListenerList();
for(int i = listeners.length - 2; i >=0 ; i -= 2)
{
if (listeners[i] == TreeModelListener.class)
{
((TreeModelListener)listeners[i + 1]).treeStructureChanged(e);
}
}
}
//
// TODO: add methods to fire events
//
private Object _root;
private EventListenerList _listenerList = new EventListenerList();
private static TreeModelI _nodeModel;
private static TreeModelI _applicationModel;
}
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