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
|
<?php
/**
* TActiveRadioButton class file.
*
* @author Wei Zhuo <weizhuo[at]gamil[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id: TActiveRadioButton.php 3245 2013-01-07 20:23:32Z ctrlaltca $
* @package System.Web.UI.ActiveControls
*/
/**
* TActiveRadioButton class.
*
* The active control counter part to radio button. The {@link setAutoPostBack AutoPostBack}
* property is set to true by default. Thus, when the radio button is clicked a
* {@link onCallback OnCallback} event is raise after {@link OnCheckedChanged} event.
*
* The {@link setText Text} and {@link setChecked Checked} properties can be
* changed during a callback.
*
* The {@link setGroupName GroupName} property may <b>NOT</b> be changed
* during callback because the client-side <tt>name</tt> attribute is read-only
* and can not be changed using javascript.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Id: TActiveRadioButton.php 3245 2013-01-07 20:23:32Z ctrlaltca $
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TActiveRadioButton extends TRadioButton implements IActiveControl, ICallbackEventHandler
{
/**
* Creates a new callback control, sets the adapter to
* TActiveControlAdapter. If you override this class, be sure to set the
* adapter appropriately by, for example, by calling this constructor.
*/
public function __construct()
{
parent::__construct();
$this->setAdapter(new TActiveControlAdapter($this));
$this->setAutoPostBack(true);
}
/**
* @return TBaseActiveCallbackControl standard callback control options.
*/
public function getActiveControl()
{
return $this->getAdapter()->getBaseActiveControl();
}
/**
* @return TCallbackClientSide client side request options.
*/
public function getClientSide()
{
return $this->getAdapter()->getBaseActiveControl()->getClientSide();
}
/**
* Raises the callback event. This method is required by {@link
* ICallbackEventHandler} interface.
* This method is mainly used by framework and control developers.
* @param TCallbackEventParameter the event parameter
*/
public function raiseCallbackEvent($param)
{
$this->onCallback($param);
}
/**
* This method is invoked when a callback is requested. The method raises
* 'OnCallback' event to fire up the event handlers. If you override this
* method, be sure to call the parent implementation so that the event
* handler can be invoked.
* @param TCallbackEventParameter event parameter to be passed to the event handlers
*/
public function onCallback($param)
{
$this->raiseEvent('OnCallback', $this, $param);
}
/**
* Updates the button text on the client-side if the
* {@link setEnableUpdate EnableUpdate} property is set to true.
* @param string caption of the button
*/
public function setText($value)
{
parent::setText($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getCallbackClient()->update(
$this->getDefaultLabelID(), $value);
}
/**
* Checks the radio button.
* Updates radio button checked state on the client-side if the
* {@link setEnableUpdate EnableUpdate} property is set to true.
* @param boolean whether the radio button is to be checked or not.
*/
public function setChecked($value)
{
$value = TPropertyValue::ensureBoolean($value);
parent::setChecked($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getCallbackClient()->check($this, $value);
}
/**
* Override parent implementation, no javascript is rendered here instead
* the javascript required for active control is registered in {@link addAttributesToRender}.
*/
protected function renderClientControlScript($writer)
{
}
/**
* Ensure that the ID attribute is rendered and registers the javascript code
* for initializing the active control.
* Since 3.1.4, the javascript code is not rendered if {@link setAutoPostBack AutoPostBack} is false
*
*/
protected function renderInputTag($writer,$clientID,$onclick)
{
parent::renderInputTag($writer,$clientID,$onclick);
if ($this->getAutoPostBack())
$this->getActiveControl()->registerCallbackClientScript(
$this->getClientClassName(), $this->getPostBackOptions());
}
/**
* @return string corresponding javascript class name for this TActiveRadioButton.
*/
protected function getClientClassName()
{
return 'Prado.WebUI.TActiveRadioButton';
}
/**
* Overrides parent implementation to ensure label has ID.
* @return TMap list of attributes to be rendered for label beside the radio button
*/
public function getLabelAttributes()
{
$attributes = parent::getLabelAttributes();
$attributes['id'] = $this->getDefaultLabelID();
return $attributes;
}
/**
* Renders a label beside the radio button.
* @param THtmlWriter the writer for the rendering purpose
* @param string radio button id
* @param string label text
*/
protected function renderLabel($writer,$clientID,$text)
{
$writer->addAttribute('id', $this->getDefaultLabelID());
parent::renderLabel($writer, $clientID, $text);
}
/**
* @return string radio button label ID;
*/
protected function getDefaultLabelID()
{
if($attributes=$this->getViewState('LabelAttributes',null))
return $this->getLabelAttributes()->itemAt('id');
else
return $this->getClientID().'_label';
}
}
|
