1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* TActiveLabel class file. |
5
|
|
|
* |
6
|
|
|
* @author Wei Zhuo <weizhuo[at]gmail[dot]com> |
7
|
|
|
* @link https://github.com/pradosoft/prado |
8
|
|
|
* @license https://github.com/pradosoft/prado/blob/master/LICENSE |
9
|
|
|
*/ |
10
|
|
|
|
11
|
|
|
namespace Prado\Web\UI\ActiveControls; |
12
|
|
|
|
13
|
|
|
/** |
14
|
|
|
* Load active control adapter. |
15
|
|
|
*/ |
16
|
|
|
use Prado\Prado; |
17
|
|
|
use Prado\Web\UI\WebControls\TLabel; |
18
|
|
|
|
19
|
|
|
/** |
20
|
|
|
* TActiveLabel class |
21
|
|
|
* |
22
|
|
|
* The active control counterpart of TLabel component. When |
23
|
|
|
* {@see \Prado\Web\UI\ActiveControls\TBaseActiveControl::setEnableUpdate ActiveControl.EnableUpdate} |
24
|
|
|
* property is true the during a callback request, setting {@see setText Text} |
25
|
|
|
* property will also set the text of the label on the client upon callback |
26
|
|
|
* completion. Similarly, setting {@see setForControl ForControl} will also set |
27
|
|
|
* the client-side "for" attribute on the label. |
28
|
|
|
* |
29
|
|
|
* @author Wei Zhuo <weizhuo[at]gmail[dot]com> |
30
|
|
|
* @since 3.1 |
31
|
|
|
* @method TActiveControlAdapter getAdapter() |
32
|
|
|
*/ |
33
|
|
|
class TActiveLabel extends TLabel implements IActiveControl |
34
|
|
|
{ |
35
|
|
|
/** |
36
|
|
|
* Creates a new callback control, sets the adapter to |
37
|
|
|
* TActiveControlAdapter. If you override this class, be sure to set the |
38
|
|
|
* adapter appropriately by, for example, by calling this constructor. |
39
|
|
|
*/ |
40
|
|
|
public function __construct() |
41
|
|
|
{ |
42
|
|
|
parent::__construct(); |
43
|
|
|
$this->setAdapter(new TActiveControlAdapter($this)); |
44
|
|
|
} |
45
|
|
|
|
46
|
|
|
/** |
47
|
|
|
* @return TBaseActiveControl basic active control options. |
48
|
|
|
*/ |
49
|
|
|
public function getActiveControl() |
50
|
|
|
{ |
51
|
|
|
return $this->getAdapter()->getBaseActiveControl(); |
|
|
|
|
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* On callback response, the inner HTML of the label is updated. |
56
|
|
|
* @param string $value the text value of the label |
57
|
|
|
*/ |
58
|
|
|
public function setText($value) |
59
|
|
|
{ |
60
|
|
|
if (parent::getText() === $value) { |
61
|
|
|
return; |
62
|
|
|
} |
63
|
|
|
|
64
|
|
|
parent::setText($value); |
65
|
|
|
if ($this->getActiveControl()->canUpdateClientSide()) { |
66
|
|
|
$this->getPage()->getCallbackClient()->update($this, $value); |
|
|
|
|
67
|
|
|
} |
68
|
|
|
} |
69
|
|
|
|
70
|
|
|
/** |
71
|
|
|
* Sets the ID of the control that the label is associated with. |
72
|
|
|
* The control must be locatable via {@see \Prado\Web\UI\TControl::findControl} using the ID. |
73
|
|
|
* On callback response, the For attribute of the label is updated. |
74
|
|
|
* @param string $value the associated control ID |
75
|
|
|
*/ |
76
|
|
|
public function setForControl($value) |
77
|
|
|
{ |
78
|
|
|
if (parent::getForControl() === $value) { |
79
|
|
|
return; |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
parent::setForControl($value); |
83
|
|
|
if ($this->getActiveControl()->canUpdateClientSide()) { |
84
|
|
|
$id = $this->findControl($value)->getClientID(); |
85
|
|
|
$this->getPage()->getCallbackClient()->setAttribute($this, 'for', $id); |
86
|
|
|
} |
87
|
|
|
} |
88
|
|
|
|
89
|
|
|
/** |
90
|
|
|
* Adds attribute id to the renderer. |
91
|
|
|
* @param \Prado\Web\UI\THtmlWriter $writer the writer used for the rendering purpose |
92
|
|
|
*/ |
93
|
|
|
protected function addAttributesToRender($writer) |
94
|
|
|
{ |
95
|
|
|
$writer->addAttribute('id', $this->getClientID()); |
96
|
|
|
parent::addAttributesToRender($writer); |
97
|
|
|
} |
98
|
|
|
} |
99
|
|
|
|