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:  * Check box control. Allows the user to select a true or false condition.
 15:  */
 16: class Checkbox extends BaseControl
 17: {
 18:     /** @var Nette\Utils\Html  wrapper element template */
 19:     private $wrapper;
 20: 
 21: 
 22:     /**
 23:      * @param  string  label
 24:      */
 25:     public function __construct($label = NULL)
 26:     {
 27:         parent::__construct($label);
 28:         $this->control->type = 'checkbox';
 29:         $this->wrapper = Nette\Utils\Html::el();
 30:     }
 31: 
 32: 
 33:     /**
 34:      * Sets control's value.
 35:      * @param  bool
 36:      * @return static
 37:      * @internal
 38:      */
 39:     public function setValue($value)
 40:     {
 41:         if (!is_scalar($value) && $value !== NULL) {
 42:             throw new Nette\InvalidArgumentException(sprintf("Value must be scalar or NULL, %s given in field '%s'.", gettype($value), $this->name));
 43:         }
 44:         $this->value = (bool) $value;
 45:         return $this;
 46:     }
 47: 
 48: 
 49:     /**
 50:      * Is control filled?
 51:      * @return bool
 52:      */
 53:     public function isFilled()
 54:     {
 55:         return $this->getValue() !== FALSE; // back compatibility
 56:     }
 57: 
 58: 
 59:     /**
 60:      * Generates control's HTML element.
 61:      * @return Nette\Utils\Html
 62:      */
 63:     public function getControl()
 64:     {
 65:         return $this->wrapper->setHtml($this->getLabelPart()->insert(0, $this->getControlPart()));
 66:     }
 67: 
 68: 
 69:     /**
 70:      * Bypasses label generation.
 71:      * @return void
 72:      */
 73:     public function getLabel($caption = NULL)
 74:     {
 75:         return NULL;
 76:     }
 77: 
 78: 
 79:     /**
 80:      * @return Nette\Utils\Html
 81:      */
 82:     public function getControlPart()
 83:     {
 84:         return parent::getControl()->checked($this->value);
 85:     }
 86: 
 87: 
 88:     /**
 89:      * @return Nette\Utils\Html
 90:      */
 91:     public function getLabelPart()
 92:     {
 93:         return parent::getLabel();
 94:     }
 95: 
 96: 
 97:     /**
 98:      * Returns wrapper HTML element template.
 99:      * @return Nette\Utils\Html
100:      */
101:     public function getSeparatorPrototype()
102:     {
103:         return $this->wrapper;
104:     }
105: 
106: }
107: