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
|
<?php
/**
* TActiveLabel class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link https://github.com/pradosoft/prado
* @copyright Copyright © 2005-2015 The PRADO Group
* @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT
* @package System.Web.UI.ActiveControls
*/
/**
* Load active control adapter.
*/
Prado::using('System.Web.UI.ActiveControls.TActiveControlAdapter');
/**
* TActiveLabel class
*
* The active control counterpart of TLabel component. When
* {@link TBaseActiveControl::setEnableUpdate ActiveControl.EnableUpdate}
* property is true the during a callback request, setting {@link setText Text}
* property will also set the text of the label on the client upon callback
* completion. Similarly, setting {@link setForControl ForControl} will also set
* the client-side "for" attribute on the label.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @package System.Web.UI.ActiveControls
* @since 3.1
*/
class TActiveLabel extends TLabel implements IActiveControl
{
/**
* 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));
}
/**
* @return TBaseActiveControl basic active control options.
*/
public function getActiveControl()
{
return $this->getAdapter()->getBaseActiveControl();
}
/**
* On callback response, the inner HTML of the label is updated.
* @param string the text value of the label
*/
public function setText($value)
{
if(parent::getText() === $value)
return;
parent::setText($value);
if($this->getActiveControl()->canUpdateClientSide())
$this->getPage()->getCallbackClient()->update($this, $value);
}
/**
* Sets the ID of the control that the label is associated with.
* The control must be locatable via {@link TControl::findControl} using the ID.
* On callback response, the For attribute of the label is updated.
* @param string the associated control ID
*/
public function setForControl($value)
{
if(parent::getForControl() === $value)
return;
parent::setForControl($value);
if($this->getActiveControl()->canUpdateClientSide())
{
$id=$this->findControl($value)->getClientID();
$this->getPage()->getCallbackClient()->setAttribute($this, 'for', $id);
}
}
/**
* Adds attribute id to the renderer.
* @param THtmlWriter the writer used for the rendering purpose
*/
protected function addAttributesToRender($writer) {
$writer->addAttribute('id',$this->getClientID());
parent::addAttributesToRender($writer);
}
}
|
