455 lines
9.7 KiB
Java
455 lines
9.7 KiB
Java
/* DefaultTreeModel.java --
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Copyright (C) 2002, 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.tree;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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import java.util.EventListener;
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import javax.swing.event.EventListenerList;
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import javax.swing.event.TreeModelEvent;
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import javax.swing.event.TreeModelListener;
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import javax.swing.tree.DefaultMutableTreeNode;
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/**
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* DefaultTreeModel
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* @author Andrew Selkirk
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*/
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public class DefaultTreeModel
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implements Serializable, TreeModel
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{
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static final long serialVersionUID = -2621068368932566998L;
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/**
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* root
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*/
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protected TreeNode root = null;
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/**
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* listenerList
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*/
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protected EventListenerList listenerList = new EventListenerList();
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/**
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* asksAllowsChildren
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*/
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protected boolean asksAllowsChildren;
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/**
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* Constructor DefaultTreeModel
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* @param value0 TODO
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*/
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public DefaultTreeModel(TreeNode root)
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{
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if (root == null)
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root = new DefaultMutableTreeNode();
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setRoot(root);
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}
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/**
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* Constructor DefaultTreeModel
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* @param value0 TODO
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* @param value1 TODO
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*/
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public DefaultTreeModel(TreeNode root, boolean asksAllowsChildren)
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{
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setRoot(root);
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this.asksAllowsChildren = asksAllowsChildren;
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}
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/**
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* writeObject
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* @param value0 TODO
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* @exception IOException TODO
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*/
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private void writeObject(ObjectOutputStream value0) throws IOException
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{
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// TODO
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}
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/**
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* readObject
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* @param value0 TODO
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* @exception IOException TODO
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* @exception ClassNotFoundException TODO
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*/
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private void readObject(ObjectInputStream value0) throws IOException,
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ClassNotFoundException
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{
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// TODO
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}
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/**
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* asksAllowsChildren
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* @return boolean
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*/
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public boolean asksAllowsChildren()
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{
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return asksAllowsChildren;
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}
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/**
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* setAsksAllowsChildren
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* @param value0 TODO
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*/
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public void setAsksAllowsChildren(boolean value)
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{
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asksAllowsChildren = value; // TODO
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}
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/**
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* setRoot
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* @param value0 TODO
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*/
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public void setRoot(TreeNode root)
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{
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// Sanity Check
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if (root == null)
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{
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throw new IllegalArgumentException("null root");
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}
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// Set new root
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this.root = root;
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// TODO
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}
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/**
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* getRoot
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* @return Object
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*/
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public Object getRoot()
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{
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return root;
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}
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/**
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* getIndexOfChild
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* @param value0 TODO
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* @param value1 TODO
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* @return int
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*/
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public int getIndexOfChild(Object parent, Object child)
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{
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return 0; // TODO
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}
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/**
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* getChild
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* @param value0 TODO
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* @param value1 TODO
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* @return Object
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*/
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public Object getChild(Object node, int idx)
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{
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if (node instanceof TreeNode)
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return ((TreeNode) node).getChildAt(idx);
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else
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return null;
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}
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/**
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* getChildCount
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* @param value0 TODO
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* @return int
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*/
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public int getChildCount(Object node)
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{
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if (node instanceof TreeNode)
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return ((TreeNode) node).getChildCount();
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else
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return 0;
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}
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/**
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* isLeaf
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* @param value0 TODO
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* @return boolean
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*/
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public boolean isLeaf(Object node)
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{
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if (node instanceof TreeNode)
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return ((TreeNode) node).isLeaf();
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else
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return true;
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}
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/**
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* reload
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*/
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public void reload()
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{
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// TODO
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}
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/**
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* reload
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* @param value0 TODO
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*/
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public void reload(TreeNode value0)
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{
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// TODO
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}
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/**
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* valueForPathChanged
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void valueForPathChanged(TreePath value0, Object value1)
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{
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// TODO
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}
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/**
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* insertNodeInto
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* @param value0 TODO
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* @param value1 TODO
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* @param value2 TODO
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*/
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public void insertNodeInto(MutableTreeNode value0, MutableTreeNode value1,
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int value2)
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{
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// TODO
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}
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/**
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* removeNodeFromParent
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* @param value0 TODO
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*/
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public void removeNodeFromParent(MutableTreeNode value0)
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{
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// TODO
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}
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/**
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* nodeChanged
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* @param value0 TODO
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*/
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public void nodeChanged(TreeNode value0)
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{
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// TODO
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}
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/**
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* nodesWereInserted
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void nodesWereInserted(TreeNode value0, int[] value1)
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{
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// TODO
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}
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/**
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* nodesWereRemoved
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* @param value0 TODO
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* @param value1 TODO
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* @param value2 TODO
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*/
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public void nodesWereRemoved(TreeNode value0, int[] value1, Object[] value2)
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{
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// TODO
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}
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/**
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* nodesChanged
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* @param value0 TODO
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* @param value1 TODO
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*/
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public void nodesChanged(TreeNode value0, int[] value1)
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{
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// TODO
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}
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/**
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* nodeStructureChanged
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* @param value0 TODO
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*/
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public void nodeStructureChanged(TreeNode value0)
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{
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// TODO
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}
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/**
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* getPathToRoot
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* @param value0 TODO
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* @return TreeNode[]
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*/
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public TreeNode[] getPathToRoot(TreeNode value0)
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{
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return null; // TODO
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}
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/**
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* getPathToRoot
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* @param value0 TODO
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* @param value1 TODO
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* @return TreeNode[]
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*/
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protected TreeNode[] getPathToRoot(TreeNode value0, int value1)
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{
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return null; // TODO
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}
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/**
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* Registers a listere to the model.
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*
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* @param listener the listener to add
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*/
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public void addTreeModelListener(TreeModelListener listener)
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{
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listenerList.add(TreeModelListener.class, listener);
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}
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/**
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* Removes a listener from the model.
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*
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* @param listener the listener to remove
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*/
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public void removeTreeModelListener(TreeModelListener listener)
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{
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listenerList.remove(TreeModelListener.class, listener);
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}
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/**
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* Returns all registered <code>TreeModelListener</code> listeners.
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*
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* @return an array of listeners.
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*
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* @since 1.4
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*/
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public TreeModelListener[] getTreeModelListeners()
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{
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return (TreeModelListener[]) listenerList
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.getListeners(TreeModelListener.class);
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}
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/**
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* fireTreeNodesChanged
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*
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* @param source the node being changed
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* @param path the path to the root node
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* @param childIndices the indices of the changed elements
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* @param children the changed elements
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*/
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protected void fireTreeNodesChanged(Object source, Object[] path,
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int[] childIndices, Object[] children)
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{
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TreeModelEvent event = new TreeModelEvent(source, path, childIndices,
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children);
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TreeModelListener[] listeners = getTreeModelListeners();
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for (int i = listeners.length - 1; i >= 0; --i)
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listeners[i].treeNodesChanged(event);
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}
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/**
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* fireTreeNodesInserted
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*
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* @param source the node where new nodes got inserted
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* @param path the path to the root node
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* @param childIndices the indices of the new elements
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* @param children the new elements
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*/
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protected void fireTreeNodesInserted(Object source, Object[] path,
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int[] childIndices, Object[] children)
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{
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TreeModelEvent event = new TreeModelEvent(source, path, childIndices,
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children);
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TreeModelListener[] listeners = getTreeModelListeners();
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for (int i = listeners.length - 1; i >= 0; --i)
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listeners[i].treeNodesInserted(event);
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}
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/**
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* fireTreeNodesRemoved
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*
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* @param source the node where nodes got removed-
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* @param path the path to the root node
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* @param childIndices the indices of the removed elements
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* @param children the removed elements
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*/
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protected void fireTreeNodesRemoved(Object source, Object[] path,
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int[] childIndices, Object[] children)
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{
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TreeModelEvent event = new TreeModelEvent(source, path, childIndices,
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children);
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TreeModelListener[] listeners = getTreeModelListeners();
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for (int i = listeners.length - 1; i >= 0; --i)
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listeners[i].treeNodesRemoved(event);
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}
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/**
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* fireTreeStructureChanged
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*
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* @param source the node where the model has changed
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* @param path the path to the root node
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* @param childIndices the indices of the affected elements
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* @param children the affected elements
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*/
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protected void fireTreeStructureChanged(Object source, Object[] path,
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int[] childIndices, Object[] children)
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{
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TreeModelEvent event = new TreeModelEvent(source, path, childIndices,
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children);
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TreeModelListener[] listeners = getTreeModelListeners();
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for (int i = listeners.length - 1; i >= 0; --i)
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listeners[i].treeStructureChanged(event);
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}
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/**
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* Returns the registered listeners of a given type.
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*
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* @param listenerType the listener type to return
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*
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* @return an array of listeners
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*
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* @since 1.3
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*/
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public EventListener[] getListeners(Class listenerType)
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{
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return listenerList.getListeners(listenerType);
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}
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}
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