1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  *
  6:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  7:  *
  8:  * For the full copyright and license information, please view
  9:  * the file license.txt that was distributed with this source code.
 10:  * @package Nette\Forms
 11:  */
 12: 
 13: 
 14: 
 15: /**
 16:  * Select box control that allows multiple item selection.
 17:  *
 18:  * @author     David Grudl
 19:  * @package Nette\Forms
 20:  */
 21: class NMultiSelectBox extends NSelectBox
 22: {
 23: 
 24: 
 25:     /**
 26:      * Returns selected keys.
 27:      * @return array
 28:      */
 29:     public function getValue()
 30:     {
 31:         $allowed = array_keys($this->allowed);
 32:         if ($this->isFirstSkipped()) {
 33:             unset($allowed[0]);
 34:         }
 35:         return array_intersect($this->getRawValue(), $allowed);
 36:     }
 37: 
 38: 
 39: 
 40:     /**
 41:      * Returns selected keys (not checked).
 42:      * @return array
 43:      */
 44:     public function getRawValue()
 45:     {
 46:         if (is_scalar($this->value)) {
 47:             $value = array($this->value);
 48: 
 49:         } elseif (!is_array($this->value)) {
 50:             $value = array();
 51: 
 52:         } else {
 53:             $value = $this->value;
 54:         }
 55: 
 56:         $res = array();
 57:         foreach ($value as $val) {
 58:             if (is_scalar($val)) {
 59:                 $res[] = $val;
 60:             }
 61:         }
 62:         return $res;
 63:     }
 64: 
 65: 
 66: 
 67:     /**
 68:      * Returns selected values.
 69:      * @return array
 70:      */
 71:     public function getSelectedItem()
 72:     {
 73:         if (!$this->areKeysUsed()) {
 74:             return $this->getValue();
 75: 
 76:         } else {
 77:             $res = array();
 78:             foreach ($this->getValue() as $value) {
 79:                 $res[$value] = $this->allowed[$value];
 80:             }
 81:             return $res;
 82:         }
 83:     }
 84: 
 85: 
 86: 
 87:     /**
 88:      * Returns name of control within a Form & INamingContainer scope.
 89:      * @return string
 90:      */
 91:     public function getHtmlName()
 92:     {
 93:         return parent::getHtmlName() . '[]';
 94:     }
 95: 
 96: 
 97: 
 98:     /**
 99:      * Generates control's HTML element.
100:      * @return NHtml
101:      */
102:     public function getControl()
103:     {
104:         $control = parent::getControl();
105:         $control->multiple = TRUE;
106:         return $control;
107:     }
108: 
109: }
110: