author | serb |
Tue, 14 May 2013 17:25:59 +0400 | |
changeset 17414 | 3e422b97a601 |
parent 13143 | 31c70a66a053 |
child 20146 | 019d103c3e40 |
permissions | -rw-r--r-- |
12047 | 1 |
/* |
2 |
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
|
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. Oracle designates this |
|
8 |
* particular file as subject to the "Classpath" exception as provided |
|
9 |
* by Oracle in the LICENSE file that accompanied this code. |
|
10 |
* |
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
15 |
* accompanied this code). |
|
16 |
* |
|
17 |
* You should have received a copy of the GNU General Public License version |
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
20 |
* |
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
22 |
* or visit www.oracle.com if you need additional information or have any |
|
23 |
* questions. |
|
24 |
*/ |
|
25 |
||
26 |
||
27 |
package sun.lwawt; |
|
28 |
||
29 |
import java.awt.Choice; |
|
30 |
import java.awt.Point; |
|
31 |
import java.awt.event.ItemEvent; |
|
32 |
import java.awt.event.ItemListener; |
|
33 |
import java.awt.peer.ChoicePeer; |
|
34 |
||
35 |
import javax.swing.JComboBox; |
|
36 |
||
37 |
final class LWChoicePeer extends LWComponentPeer<Choice, JComboBox<String>> |
|
38 |
implements ChoicePeer, ItemListener { |
|
39 |
||
40 |
/** |
|
41 |
* According to Choice specification item events are sent in response to |
|
42 |
* user input, but not in response to calls to select(). But JComboBox are |
|
43 |
* sent item events in both cases. Should be used under delegateLock. |
|
44 |
*/ |
|
45 |
private boolean skipPostMessage; |
|
46 |
||
47 |
LWChoicePeer(final Choice target, |
|
48 |
final PlatformComponent platformComponent) { |
|
49 |
super(target, platformComponent); |
|
50 |
} |
|
51 |
||
52 |
@Override |
|
53 |
protected JComboBox<String> createDelegate() { |
|
54 |
return new JComboBoxDelegate(); |
|
55 |
} |
|
56 |
||
57 |
@Override |
|
13143
31c70a66a053
7142091: [macosx] RFE: Refactoring of peer initialization/disposing
serb
parents:
12047
diff
changeset
|
58 |
void initializeImpl() { |
31c70a66a053
7142091: [macosx] RFE: Refactoring of peer initialization/disposing
serb
parents:
12047
diff
changeset
|
59 |
super.initializeImpl(); |
12047 | 60 |
final Choice choice = getTarget(); |
61 |
final JComboBox<String> combo = getDelegate(); |
|
62 |
synchronized (getDelegateLock()) { |
|
63 |
final int count = choice.getItemCount(); |
|
64 |
for (int i = 0; i < count; ++i) { |
|
65 |
combo.addItem(choice.getItem(i)); |
|
66 |
} |
|
67 |
select(choice.getSelectedIndex()); |
|
68 |
||
69 |
// NOTE: the listener must be added at the very end, otherwise it |
|
70 |
// fires events upon initialization of the combo box. |
|
71 |
combo.addItemListener(this); |
|
72 |
} |
|
73 |
} |
|
74 |
||
75 |
@Override |
|
76 |
public void itemStateChanged(final ItemEvent e) { |
|
77 |
// AWT Choice sends SELECTED event only whereas JComboBox |
|
78 |
// sends both SELECTED and DESELECTED. |
|
79 |
if (e.getStateChange() == ItemEvent.SELECTED) { |
|
80 |
synchronized (getDelegateLock()) { |
|
81 |
if (skipPostMessage) { |
|
82 |
return; |
|
83 |
} |
|
84 |
getTarget().select(getDelegate().getSelectedIndex()); |
|
85 |
} |
|
86 |
postEvent(new ItemEvent(getTarget(), ItemEvent.ITEM_STATE_CHANGED, |
|
87 |
e.getItem(), ItemEvent.SELECTED)); |
|
88 |
} |
|
89 |
} |
|
90 |
||
91 |
@Override |
|
92 |
public void add(final String item, final int index) { |
|
93 |
synchronized (getDelegateLock()) { |
|
94 |
getDelegate().insertItemAt(item, index); |
|
95 |
} |
|
96 |
} |
|
97 |
||
98 |
@Override |
|
99 |
public void remove(final int index) { |
|
100 |
synchronized (getDelegateLock()) { |
|
101 |
// We shouldn't post event, if selected item was removed. |
|
102 |
skipPostMessage = true; |
|
103 |
getDelegate().removeItemAt(index); |
|
104 |
skipPostMessage = false; |
|
105 |
} |
|
106 |
} |
|
107 |
||
108 |
@Override |
|
109 |
public void removeAll() { |
|
110 |
synchronized (getDelegateLock()) { |
|
111 |
getDelegate().removeAllItems(); |
|
112 |
} |
|
113 |
} |
|
114 |
||
115 |
@Override |
|
116 |
public void select(final int index) { |
|
117 |
synchronized (getDelegateLock()) { |
|
118 |
if (index != getDelegate().getSelectedIndex()) { |
|
119 |
skipPostMessage = true; |
|
120 |
getDelegate().setSelectedIndex(index); |
|
121 |
skipPostMessage = false; |
|
122 |
} |
|
123 |
} |
|
124 |
} |
|
125 |
||
126 |
@Override |
|
127 |
public boolean isFocusable() { |
|
128 |
return true; |
|
129 |
} |
|
130 |
||
131 |
private final class JComboBoxDelegate extends JComboBox<String> { |
|
132 |
||
133 |
// Empty non private constructor was added because access to this |
|
134 |
// class shouldn't be emulated by a synthetic accessor method. |
|
135 |
JComboBoxDelegate() { |
|
136 |
super(); |
|
137 |
} |
|
138 |
||
139 |
@Override |
|
140 |
public boolean hasFocus() { |
|
141 |
return getTarget().hasFocus(); |
|
142 |
} |
|
143 |
||
144 |
//Needed for proper popup menu location |
|
145 |
@Override |
|
146 |
public Point getLocationOnScreen() { |
|
147 |
return LWChoicePeer.this.getLocationOnScreen(); |
|
148 |
} |
|
149 |
||
150 |
/** |
|
151 |
* We should post ITEM_STATE_CHANGED event when the same element is |
|
152 |
* reselected. |
|
153 |
*/ |
|
154 |
@Override |
|
155 |
public void setSelectedItem(final Object anObject) { |
|
156 |
final Object oldSelection = selectedItemReminder; |
|
157 |
if (oldSelection != null && oldSelection.equals(anObject)) { |
|
158 |
selectedItemChanged(); |
|
159 |
} |
|
160 |
super.setSelectedItem(anObject); |
|
161 |
} |
|
162 |
} |
|
163 |
} |