| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| package com.sun.star.xml.security.uno; |
| |
| import org.w3c.dom.Document; |
| import javax.swing.event.TreeModelListener; |
| import javax.swing.event.TreeModelEvent; |
| import javax.swing.tree.TreePath; |
| import java.util.Enumeration; |
| import java.util.Vector; |
| |
| /* |
| * This adapter converts the current Document (a DOM) into |
| * a JTree model. |
| */ |
| class DomToTreeModelAdapter |
| implements javax.swing.tree.TreeModel |
| { |
| private Document m_document; |
| private Vector m_listenerList = new Vector(); |
| |
| public DomToTreeModelAdapter(Document document) |
| { |
| m_document = document; |
| } |
| |
| /* |
| * Basic TreeModel operations |
| */ |
| public Object getRoot() |
| { |
| return new AdapterNode(m_document); |
| } |
| |
| public boolean isLeaf(Object aNode) |
| { |
| boolean rc = true; |
| |
| /* |
| * Determines whether the icon shows up to the left. |
| * Return true for any node with no children. |
| */ |
| AdapterNode node = (AdapterNode) aNode; |
| |
| if (node.childCount() > 0) |
| { |
| rc = false; |
| } |
| |
| return rc; |
| } |
| |
| public int getChildCount(Object parent) |
| { |
| AdapterNode node = (AdapterNode) parent; |
| return node.childCount(); |
| } |
| |
| public Object getChild(Object parent, int index) |
| { |
| AdapterNode node = (AdapterNode) parent; |
| return node.child(index); |
| } |
| |
| public int getIndexOfChild(Object parent, Object child) |
| { |
| AdapterNode node = (AdapterNode) parent; |
| return node.index((AdapterNode) child); |
| } |
| |
| public void valueForPathChanged(TreePath path, Object newValue) |
| { |
| /* |
| * Null. We won't be making changes in the GUI |
| * If we did, we would ensure the new value was really new, |
| * adjust the model, and then fire a TreeNodesChanged event. |
| */ |
| } |
| |
| public void addTreeModelListener(TreeModelListener listener) |
| { |
| if ( listener != null |
| && ! m_listenerList.contains( listener ) ) |
| { |
| m_listenerList.addElement( listener ); |
| } |
| } |
| |
| public void removeTreeModelListener(TreeModelListener listener) |
| { |
| if ( listener != null ) |
| { |
| m_listenerList.removeElement( listener ); |
| } |
| } |
| |
| public void fireTreeNodesChanged( TreeModelEvent e ) |
| { |
| Enumeration listeners = m_listenerList.elements(); |
| while ( listeners.hasMoreElements() ) |
| { |
| TreeModelListener listener = |
| (TreeModelListener) listeners.nextElement(); |
| listener.treeNodesChanged( e ); |
| } |
| } |
| |
| public void fireTreeNodesInserted( TreeModelEvent e ) |
| { |
| Enumeration listeners = m_listenerList.elements(); |
| while ( listeners.hasMoreElements() ) |
| { |
| TreeModelListener listener = |
| (TreeModelListener) listeners.nextElement(); |
| listener.treeNodesInserted( e ); |
| } |
| } |
| |
| public void fireTreeNodesRemoved( TreeModelEvent e ) |
| { |
| Enumeration listeners = m_listenerList.elements(); |
| while ( listeners.hasMoreElements() ) |
| { |
| TreeModelListener listener = |
| (TreeModelListener) listeners.nextElement(); |
| listener.treeNodesRemoved( e ); |
| } |
| } |
| |
| public void fireTreeStructureChanged( TreeModelEvent e ) |
| { |
| Enumeration listeners = m_listenerList.elements(); |
| while ( listeners.hasMoreElements() ) |
| { |
| TreeModelListener listener = |
| (TreeModelListener) listeners.nextElement(); |
| listener.treeStructureChanged( e ); |
| } |
| } |
| } |
| |