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
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package org.openoffice.java.accessibility;
import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleText;
import com.sun.star.uno.*;
import com.sun.star.accessibility.*;
/**
*/
public class Paragraph extends Container implements javax.accessibility.Accessible {
protected Paragraph(XAccessible xAccessible, XAccessibleContext xAccessibleContext) {
super(javax.accessibility.AccessibleRole.TEXT, xAccessible, xAccessibleContext);
}
protected class AccessibleParagraphListener extends AccessibleContainerListener {
protected AccessibleParagraphListener() {
super();
}
protected void setComponentState(short state, boolean enable) {
switch (state) {
case AccessibleStateType.EDITABLE:
fireStatePropertyChange(javax.accessibility.AccessibleState.EDITABLE, enable);
break;
case AccessibleStateType.MULTI_LINE:
fireStatePropertyChange(javax.accessibility.AccessibleState.MULTI_LINE, enable);
break;
case AccessibleStateType.SINGLE_LINE:
break;
default:
super.setComponentState(state, enable);
break;
}
}
protected void handleVisibleDataChanged() {
if (Paragraph.this.isFocusOwner()) {
AccessibleContext ac = accessibleContext;
if (ac != null) {
AccessibleText at = ac.getAccessibleText();
if (at != null) {
int pos = at.getCaretPosition();
// Simulating a caret event here should help at tools
// that re not aware of the paragraph approach of OOo.
firePropertyChange(ac.ACCESSIBLE_CARET_PROPERTY,
new Integer(-1), new Integer(pos));
}
}
}
}
/** Called by OpenOffice process to notify property changes */
public void notifyEvent(AccessibleEventObject event) {
switch (event.EventId) {
case AccessibleEventId.CARET_CHANGED:
firePropertyChange(accessibleContext.ACCESSIBLE_CARET_PROPERTY,
Component.toNumber(event.OldValue),
Component.toNumber(event.NewValue));
break;
case AccessibleEventId.VISIBLE_DATA_CHANGED:
case AccessibleEventId.BOUNDRECT_CHANGED:
// Whenever a paragraph gets inserted above the currently
// focused one, this is the only event that will occur for.
handleVisibleDataChanged();
default:
super.notifyEvent(event);
break;
}
}
}
protected XAccessibleEventListener createEventListener() {
return new AccessibleParagraphListener();
}
/** Creates the AccessibleContext associated with this object */
public javax.accessibility.AccessibleContext createAccessibleContext() {
return new AccessibleParagraph();
}
protected class AccessibleParagraph extends AccessibleContainer {
protected AccessibleParagraph() {
// Don't do the queryInterface on XAccessibleText already ..
super(false);
/* Since getAccessibleText() is heavily used by the java access
* bridge for gnome and the gnome at-tools, we do a query interface
* here and remember the result.
*/
accessibleText = AccessibleHypertextImpl.get(unoAccessibleContext);
}
/*
* AccessibleContext
*/
/** Gets the role of this object */
public javax.accessibility.AccessibleRole getAccessibleRole() {
return javax.accessibility.AccessibleRole.TEXT;
}
/** Gets the AccessibleEditableText associated with this object presenting text on the display */
public javax.accessibility.AccessibleEditableText getAccessibleEditableText() {
if (disposed)
return null;
try {
XAccessibleEditableText unoAccessibleText = (XAccessibleEditableText)
UnoRuntime.queryInterface(XAccessibleEditableText.class,
unoAccessibleComponent);
if (unoAccessibleText != null) {
return new AccessibleEditableTextImpl(unoAccessibleText);
} else {
return null;
}
} catch (com.sun.star.uno.RuntimeException e) {
return null;
}
}
/** Gets the AccessibleAction associated with this object that has a graphical representation */
public javax.accessibility.AccessibleAction getAccessibleAction() {
try {
XAccessibleAction unoAccessibleAction = (XAccessibleAction)
UnoRuntime.queryInterface(XAccessibleAction.class, unoAccessibleComponent);
return (unoAccessibleAction != null) ?
new AccessibleActionImpl(unoAccessibleAction) : null;
} catch (com.sun.star.uno.RuntimeException e) {
return null;
}
}
/** Returns the relation set of this object */
public javax.accessibility.AccessibleRelationSet getAccessibleRelationSet() {
try {
XAccessibleRelationSet unoAccessibleRelationSet =
unoAccessible.getAccessibleContext().getAccessibleRelationSet();
if (unoAccessibleRelationSet == null) {
return super.getAccessibleRelationSet();
}
javax.accessibility.AccessibleRelationSet relationSet = new javax.accessibility.AccessibleRelationSet();
int count = unoAccessibleRelationSet.getRelationCount();
for (int i = 0; i < count; i++) {
AccessibleRelation unoAccessibleRelation = unoAccessibleRelationSet.getRelation(i);
switch (unoAccessibleRelation.RelationType) {
case AccessibleRelationType.CONTROLLED_BY:
relationSet.add(new javax.accessibility.AccessibleRelation(
javax.accessibility.AccessibleRelation.CONTROLLED_BY,
getAccessibleComponents(unoAccessibleRelation.TargetSet)));
break;
case AccessibleRelationType.CONTROLLER_FOR:
relationSet.add(new javax.accessibility.AccessibleRelation(
javax.accessibility.AccessibleRelation.CONTROLLER_FOR,
getAccessibleComponents(unoAccessibleRelation.TargetSet)));
break;
case AccessibleRelationType.LABELED_BY:
relationSet.add(new javax.accessibility.AccessibleRelation(
javax.accessibility.AccessibleRelation.LABELED_BY,
getAccessibleComponents(unoAccessibleRelation.TargetSet)));
break;
case AccessibleRelationType.MEMBER_OF:
relationSet.add(new javax.accessibility.AccessibleRelation(
javax.accessibility.AccessibleRelation.MEMBER_OF,
getAccessibleComponents(unoAccessibleRelation.TargetSet)));
break;
case AccessibleRelationType.CONTENT_FLOWS_TO:
relationSet.add(new javax.accessibility.AccessibleRelation(
"flowsTo",
getAccessibleComponents(unoAccessibleRelation.TargetSet)));
break;
case AccessibleRelationType.CONTENT_FLOWS_FROM:
relationSet.add(new javax.accessibility.AccessibleRelation(
"flowsFrom",
getAccessibleComponents(unoAccessibleRelation.TargetSet)));
break;
default:
break;
}
}
return relationSet;
} catch (com.sun.star.lang.IndexOutOfBoundsException e) {
return super.getAccessibleRelationSet();
} catch (com.sun.star.uno.RuntimeException e) {
return super.getAccessibleRelationSet();
}
}
}
}
|
