| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| import java.util.Vector; |
| import com.sun.star.lang.IndexOutOfBoundsException; |
| |
| /** |
| Base class for all tree nodes. |
| */ |
| class AccessibleTreeNode |
| { |
| /// The parent node. It is null for the root node. |
| protected AccessibleTreeNode maParent; |
| |
| /// The object to be displayed. |
| private Object maDisplayObject; |
| |
| public AccessibleTreeNode (Object aDisplayObject, AccessibleTreeNode aParent) |
| { |
| maDisplayObject = aDisplayObject; |
| maParent = aParent; |
| } |
| |
| public void update () |
| { |
| // Empty |
| } |
| |
| public AccessibleTreeNode getParent () |
| { |
| return maParent; |
| } |
| |
| public Object getDisplayObject () |
| { |
| return maDisplayObject; |
| } |
| |
| public int getChildCount () |
| { |
| return 0; |
| } |
| |
| public AccessibleTreeNode getChild (int nIndex) |
| throws IndexOutOfBoundsException |
| { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| public AccessibleTreeNode getChildNoCreate (int nIndex) |
| throws IndexOutOfBoundsException |
| { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| public boolean removeChild (int nIndex) |
| throws IndexOutOfBoundsException |
| { |
| throw new IndexOutOfBoundsException(); |
| } |
| |
| public int indexOf (AccessibleTreeNode aNode) |
| { |
| return -1; |
| } |
| |
| /** Create a path to this node by first asking the parent for its path |
| and then appending this object. |
| */ |
| public void createPath (java.util.Vector aPath) |
| { |
| if (maParent != null) |
| maParent.createPath (aPath); |
| aPath.add (this); |
| } |
| |
| public Object[] createPath () |
| { |
| Vector aPath = new Vector (1); |
| createPath (aPath); |
| return aPath.toArray(); |
| } |
| |
| public boolean isLeaf() |
| { |
| return true; |
| } |
| |
| public String toString() |
| { |
| return maDisplayObject.toString(); |
| } |
| |
| /** get names of suported actions */ |
| public String[] getActions () |
| { |
| return new String[] {}; |
| } |
| |
| /** perform action */ |
| public void performAction (int nIndex) |
| { |
| } |
| } |