Branch libreoffice-5-0-4
[LibreOffice.git] / toolkit / test / accessibility / AccessibleTreeNode.java
blob22fa035f95f4d960a35adc7c12a8231b1e53680a
1 /*
2 * This file is part of the LibreOffice project.
4 * This Source Code Form is subject to the terms of the Mozilla Public
5 * License, v. 2.0. If a copy of the MPL was not distributed with this
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 * This file incorporates work covered by the following license notice:
10 * Licensed to the Apache Software Foundation (ASF) under one or more
11 * contributor license agreements. See the NOTICE file distributed
12 * with this work for additional information regarding copyright
13 * ownership. The ASF licenses this file to you under the Apache
14 * License, Version 2.0 (the "License"); you may not use this file
15 * except in compliance with the License. You may obtain a copy of
16 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
19 import java.util.ArrayList;
21 import com.sun.star.lang.IndexOutOfBoundsException;
23 /**
24 Base class for all tree nodes.
26 abstract class AccessibleTreeNode
28 /// The parent node. It is null for the root node.
29 private AccessibleTreeNode maParent;
31 /// The object to be displayed.
32 private final Object maDisplayObject;
34 public AccessibleTreeNode (Object aDisplayObject, AccessibleTreeNode aParent)
36 maDisplayObject = aDisplayObject;
37 maParent = aParent;
40 public void update ()
42 // Empty
45 public AccessibleTreeNode getParent ()
47 return maParent;
50 public int getChildCount ()
52 return 0;
55 public AccessibleTreeNode getChild (int nIndex)
56 throws IndexOutOfBoundsException
58 throw new IndexOutOfBoundsException();
61 public AccessibleTreeNode getChildNoCreate (int nIndex)
62 throws IndexOutOfBoundsException
64 throw new IndexOutOfBoundsException();
67 public boolean removeChild (int nIndex)
68 throws IndexOutOfBoundsException
70 throw new IndexOutOfBoundsException();
73 public abstract int indexOf (AccessibleTreeNode aNode);
75 /** Create a path to this node by first asking the parent for its path
76 and then appending this object.
78 public void createPath (java.util.List<AccessibleTreeNode> aPath)
80 if (maParent != null)
81 maParent.createPath (aPath);
82 aPath.add (this);
85 public Object[] createPath ()
87 ArrayList<AccessibleTreeNode> aPath = new ArrayList<AccessibleTreeNode> (1);
88 createPath (aPath);
89 return aPath.toArray();
92 public boolean isLeaf()
94 return true;
97 @Override
98 public String toString()
100 return maDisplayObject.toString();
103 /** get names of supported actions */
104 public String[] getActions ()
106 return new String[] {};
109 /** perform action */
110 public void performAction (int nIndex)