1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\Forms\Controls;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * Select box control that allows multiple items selection.
15:  */
16: class MultiSelectBox extends MultiChoiceControl
17: {
18:     /** @var array of option / optgroup */
19:     private $options = [];
20: 
21:     /** @var array */
22:     private $optionAttributes = [];
23: 
24: 
25:     public function __construct($label = null, array $items = null)
26:     {
27:         parent::__construct($label, $items);
28:         $this->setOption('type', 'select');
29:     }
30: 
31: 
32:     /**
33:      * Sets options and option groups from which to choose.
34:      * @return static
35:      */
36:     public function setItems(array $items, $useKeys = true)
37:     {
38:         if (!$useKeys) {
39:             $res = [];
40:             foreach ($items as $key => $value) {
41:                 unset($items[$key]);
42:                 if (is_array($value)) {
43:                     foreach ($value as $val) {
44:                         $res[$key][(string) $val] = $val;
45:                     }
46:                 } else {
47:                     $res[(string) $value] = $value;
48:                 }
49:             }
50:             $items = $res;
51:         }
52:         $this->options = $items;
53:         return parent::setItems(Nette\Utils\Arrays::flatten($items, true));
54:     }
55: 
56: 
57:     /**
58:      * Generates control's HTML element.
59:      * @return Nette\Utils\Html
60:      */
61:     public function getControl()
62:     {
63:         $items = [];
64:         foreach ($this->options as $key => $value) {
65:             $items[is_array($value) ? $this->translate($key) : $key] = $this->translate($value);
66:         }
67: 
68:         return Nette\Forms\Helpers::createSelectBox(
69:             $items,
70:             [
71:                 'disabled:' => is_array($this->disabled) ? $this->disabled : null,
72:             ] + $this->optionAttributes,
73:             $this->value
74:         )->addAttributes(parent::getControl()->attrs)->multiple(true);
75:     }
76: 
77: 
78:     /**
79:      * @return static
80:      */
81:     public function addOptionAttributes(array $attributes)
82:     {
83:         $this->optionAttributes = $attributes + $this->optionAttributes;
84:         return $this;
85:     }
86: }
87: