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
|
/*
* Copyright 2000-2014 Vaadin Ltd.
*
* Licensed 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.
*/
package com.vaadin.ui;
import org.json.JSONException;
import com.vaadin.data.Property;
import com.vaadin.event.FieldEvents.BlurEvent;
import com.vaadin.event.FieldEvents.BlurListener;
import com.vaadin.event.FieldEvents.FocusAndBlurServerRpcImpl;
import com.vaadin.event.FieldEvents.FocusEvent;
import com.vaadin.event.FieldEvents.FocusListener;
import com.vaadin.shared.MouseEventDetails;
import com.vaadin.shared.ui.checkbox.CheckBoxServerRpc;
import com.vaadin.shared.ui.checkbox.CheckBoxState;
public class CheckBox extends AbstractField<Boolean> {
private CheckBoxServerRpc rpc = new CheckBoxServerRpc() {
@Override
public void setChecked(boolean checked,
MouseEventDetails mouseEventDetails) {
if (isReadOnly()) {
return;
}
/*
* Client side updates the state before sending the event so we need
* to make sure the cached state is updated to match the client. If
* we do not do this, a reverting setValue() call in a listener will
* not cause the new state to be sent to the client.
*
* See #11028, #10030.
*/
try {
getUI().getConnectorTracker().getDiffState(CheckBox.this)
.put("checked", checked);
} catch (JSONException e) {
throw new RuntimeException(e);
}
final Boolean oldValue = getValue();
final Boolean newValue = checked;
if (!newValue.equals(oldValue)) {
// The event is only sent if the switch state is changed
setValue(newValue);
}
}
};
FocusAndBlurServerRpcImpl focusBlurRpc = new FocusAndBlurServerRpcImpl(this) {
@Override
protected void fireEvent(Event event) {
CheckBox.this.fireEvent(event);
}
};
/**
* Creates a new checkbox.
*/
public CheckBox() {
registerRpc(rpc);
registerRpc(focusBlurRpc);
setValue(Boolean.FALSE);
}
/**
* Creates a new checkbox with a set caption.
*
* @param caption
* the Checkbox caption.
*/
public CheckBox(String caption) {
this();
setCaption(caption);
}
/**
* Creates a new checkbox with a caption and a set initial state.
*
* @param caption
* the caption of the checkbox
* @param initialState
* the initial state of the checkbox
*/
public CheckBox(String caption, boolean initialState) {
this(caption);
setValue(initialState);
}
/**
* Creates a new checkbox that is connected to a boolean property.
*
* @param state
* the Initial state of the switch-button.
* @param dataSource
*/
public CheckBox(String caption, Property<?> dataSource) {
this(caption);
setPropertyDataSource(dataSource);
}
@Override
public Class<Boolean> getType() {
return Boolean.class;
}
@Override
protected CheckBoxState getState() {
return (CheckBoxState) super.getState();
}
/*
* Overridden to keep the shared state in sync with the AbstractField
* internal value. Should be removed once AbstractField is refactored to use
* shared state.
*
* See tickets #10921 and #11064.
*/
@Override
protected void setInternalValue(Boolean newValue) {
super.setInternalValue(newValue);
if (newValue == null) {
newValue = false;
}
getState().checked = newValue;
}
public void addBlurListener(BlurListener listener) {
addListener(BlurEvent.EVENT_ID, BlurEvent.class, listener,
BlurListener.blurMethod);
}
/**
* @deprecated As of 7.0, replaced by {@link #addBlurListener(BlurListener)}
**/
@Deprecated
public void addListener(BlurListener listener) {
addBlurListener(listener);
}
public void removeBlurListener(BlurListener listener) {
removeListener(BlurEvent.EVENT_ID, BlurEvent.class, listener);
}
/**
* @deprecated As of 7.0, replaced by
* {@link #removeBlurListener(BlurListener)}
**/
@Deprecated
public void removeListener(BlurListener listener) {
removeBlurListener(listener);
}
public void addFocusListener(FocusListener listener) {
addListener(FocusEvent.EVENT_ID, FocusEvent.class, listener,
FocusListener.focusMethod);
}
/**
* @deprecated As of 7.0, replaced by
* {@link #addFocusListener(FocusListener)}
**/
@Deprecated
public void addListener(FocusListener listener) {
addFocusListener(listener);
}
public void removeFocusListener(FocusListener listener) {
removeListener(FocusEvent.EVENT_ID, FocusEvent.class, listener);
}
/**
* @deprecated As of 7.0, replaced by
* {@link #removeFocusListener(FocusListener)}
**/
@Deprecated
public void removeListener(FocusListener listener) {
removeFocusListener(listener);
}
/**
* Get the boolean value of the button state.
*
* @return True iff the button is pressed down or checked.
*
* @deprecated As of 7.0, use {@link #getValue()} instead and, if needed,
* handle null values.
*/
@Deprecated
public boolean booleanValue() {
Boolean value = getValue();
return (null == value) ? false : value.booleanValue();
}
}
|
