1: <?php
 2: /**
 3:  * PHP version 5
 4:  * @package    generalDriver
 5:  * @author     Christian Schiffler <c.schiffler@cyberspectrum.de>
 6:  * @author     Stefan Heimes <stefan_heimes@hotmail.com>
 7:  * @author     Tristan Lins <tristan.lins@bit3.de>
 8:  * @copyright  The MetaModels team.
 9:  * @license    LGPL.
10:  * @filesource
11:  */
12: 
13: namespace DcGeneral\Contao\Callback;
14: 
15: use DcGeneral\Contao\Compatibility\DcCompat;
16: use DcGeneral\Contao\View\Contao2BackendView\Event\GetPasteButtonEvent;
17: use DcGeneral\DC_General;
18: 
19: /**
20:  * Class ContainerPasteButtonCallbackListener.
21:  *
22:  * Invoker for paste_button_callbacks.
23:  *
24:  * @package DcGeneral\Contao\Callback
25:  */
26: class ContainerPasteButtonCallbackListener extends AbstractReturningCallbackListener
27: {
28:     /**
29:      * The DC_General instance.
30:      *
31:      * @var DC_General
32:      */
33:     protected $dcGeneral;
34: 
35:     /**
36:      * Create a new instance of the listener.
37:      *
38:      * @param array|callable $callback  The callback to call when invoked.
39:      *
40:      * @param DC_General     $dcGeneral The DC_General instance to use in the callback.
41:      */
42:     public function __construct($callback, DC_General $dcGeneral)
43:     {
44:         parent::__construct($callback);
45:         $this->dcGeneral = $dcGeneral;
46:     }
47: 
48:     /**
49:      * Retrieve the arguments for the callback.
50:      *
51:      * @param GetPasteButtonEvent $event The event being emitted.
52:      *
53:      * @return array
54:      */
55:     public function getArgs($event)
56:     {
57:         return array(
58:             new DcCompat($event->getEnvironment(), $event->getModel()),
59:             $event->getModel()->getPropertiesAsArray(),
60:             $event->getEnvironment()->getDataDefinition()->getName(),
61:             $event->getCircularReference(),
62:             $event->getEnvironment()->getClipboard()->getContainedIds(),
63:             $event->getPrevious()->getId(),
64:             $event->getNext()->getId()
65:         );
66:     }
67: 
68:     /**
69:      * Set the HTML code for the button.
70:      *
71:      * @param GetPasteButtonEvent $event The event being emitted.
72:      *
73:      * @param string              $value The value returned by the callback.
74:      *
75:      * @return void
76:      */
77:     public function update($event, $value)
78:     {
79:         if (is_null($value))
80:         {
81:             return;
82:         }
83: 
84:         $event->setHtml($value);
85:         $event->stopPropagation();
86:     }
87: }
88: