1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/*************************************************************************
*
* $RCSfile: AccessibilityModel.java,v $
*
* $Revision: 1.1 $
*
* last change: $Author: obr $ $Date: 2003/09/19 09:21:39 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
package org.openoffice.accessibility.awb.tree;
import javax.swing.SwingUtilities;
import javax.swing.tree.TreeNode;
import javax.swing.tree.MutableTreeNode;
import javax.swing.tree.DefaultMutableTreeNode;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.awt.XExtendedToolkit;
import com.sun.star.awt.XTopWindow;
import com.sun.star.awt.XTopWindowListener;
import com.sun.star.accessibility.AccessibleRole;
import com.sun.star.accessibility.XAccessible;
import com.sun.star.accessibility.XAccessibleContext;
import com.sun.star.accessibility.XAccessibleEventBroadcaster;
import com.sun.star.accessibility.XAccessibleEventListener;
/**
*
*/
public abstract class AccessibilityModel extends javax.swing.tree.DefaultTreeModel {
protected java.util.Hashtable nodeList;
protected static DefaultMutableTreeNode disconnectedRootNode =
new DefaultMutableTreeNode("<not connected>");
/** Creates a new instance of AccessibilityModel */
public AccessibilityModel() {
super(disconnectedRootNode, false);
nodeList = new java.util.Hashtable();
}
/* Convenience method that creates a new Toolkit node from xToolkit
* and sets as the new root object of the tree.
*/
public synchronized void setRoot(XExtendedToolkit xToolkit) {
if (xToolkit != null) {
try {
// remove old root node as topwindow listener
if (getRoot() instanceof ToolkitNode) {
ToolkitNode tn = (ToolkitNode) getRoot();
if (tn.xToolkit != null) {
tn.xToolkit.removeTopWindowListener(tn);
}
}
nodeList.clear();
setRoot(new ToolkitNode(xToolkit, this));
xToolkit.addTopWindowListener((ToolkitNode) getRoot());
} catch (com.sun.star.uno.RuntimeException e) {
// FIXME: error message !
}
}
}
/* Appends the new child to parent's child list */
public void addNodeInto(MutableTreeNode newChild, MutableTreeNode parent) {
int index = parent.getChildCount();
if (newChild != null && newChild.getParent() == parent) {
index -= 1;
}
insertNodeInto(newChild, parent, index);
}
/** Adds listener to the listener chain of node */
public static void addEventListener(TreeNode node, XAccessibleEventListener listener) {
if (node instanceof AccessibilityNode) {
((AccessibilityNode) node).addEventListener(listener);
}
}
/** Removes listener from the listener chain of node */
public static void removeEventListener(TreeNode node, XAccessibleEventListener listener) {
if (node instanceof AccessibilityNode) {
((AccessibilityNode) node).removeEventListener(listener);
}
}
protected abstract AccessibilityNode createWindowNode(XAccessible xAccessible,
XAccessibleContext xAccessibleContext);
protected abstract AccessibilityNode createNode(XAccessible xAccessible);
/** Adds xAccessible,node to the internal hashtable */
public AccessibilityNode putNode(XAccessible xAccessible, AccessibilityNode node) {
if (xAccessible != null) {
String oid = UnoRuntime.generateOid(xAccessible);
java.lang.ref.WeakReference ref = (java.lang.ref.WeakReference)
nodeList.put(oid, new java.lang.ref.WeakReference(node));
if (ref != null) {
return (AccessibilityNode) ref.get();
}
}
return null;
}
/** Returns the AccessibilityNode for xAccessible */
public AccessibilityNode findNode(XAccessible xAccessible) {
if (xAccessible != null) {
String oid = UnoRuntime.generateOid(xAccessible);
java.lang.ref.WeakReference ref =
(java.lang.ref.WeakReference) nodeList.get(oid);
if (ref != null) {
return (AccessibilityNode) ref.get();
}
}
return null;
}
/** Removes the AccessibilityNode for xAccessible from the internal hashtable */
public AccessibilityNode removeNode(XAccessible xAccessible) {
if (xAccessible != null) {
String oid = UnoRuntime.generateOid(xAccessible);
java.lang.ref.WeakReference ref =
(java.lang.ref.WeakReference) nodeList.remove(oid);
if (ref != null) {
return (AccessibilityNode) ref.get();
}
}
return null;
}
public AccessibilityNode removeNode(Object o) {
if (o instanceof XAccessible) {
return removeNode((XAccessible) o);
}
return null;
}
}
|
