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:  * @author     David Grudl
 17:  */
 18: class Checkbox extends BaseControl
 19: {
 20:     /** @var Nette\Utils\Html  wrapper element template */
 21:     private $wrapper;
 22: 
 23: 
 24:     /**
 25:      * @param  string  label
 26:      */
 27:     public function __construct($label = NULL)
 28:     {
 29:         parent::__construct($label);
 30:         $this->control->type = 'checkbox';
 31:         $this->wrapper = Nette\Utils\Html::el();
 32:     }
 33: 
 34: 
 35:     /**
 36:      * Sets control's value.
 37:      * @param  bool
 38:      * @return self
 39:      */
 40:     public function setValue($value)
 41:     {
 42:         if (!is_scalar($value) && $value !== NULL) {
 43:             throw new Nette\InvalidArgumentException(sprintf("Value must be scalar or NULL, %s given in field '%s'.", gettype($value), $this->name));
 44:         }
 45:         $this->value = (bool) $value;
 46:         return $this;
 47:     }
 48: 
 49: 
 50:     /**
 51:      * Is control filled?
 52:      * @return bool
 53:      */
 54:     public function isFilled()
 55:     {
 56:         return $this->getValue() !== FALSE; // back compatibility
 57:     }
 58: 
 59: 
 60:     /**
 61:      * Generates control's HTML element.
 62:      * @return Nette\Utils\Html
 63:      */
 64:     public function getControl()
 65:     {
 66:         return $this->wrapper->setHtml($this->getLabelPart()->insert(0, $this->getControlPart()));
 67:     }
 68: 
 69: 
 70:     /**
 71:      * Bypasses label generation.
 72:      * @return void
 73:      */
 74:     public function getLabel($caption = NULL)
 75:     {
 76:         return NULL;
 77:     }
 78: 
 79: 
 80:     /**
 81:      * @return Nette\Utils\Html
 82:      */
 83:     public function getControlPart()
 84:     {
 85:         return parent::getControl()->checked($this->value);
 86:     }
 87: 
 88: 
 89:     /**
 90:      * @return Nette\Utils\Html
 91:      */
 92:     public function getLabelPart()
 93:     {
 94:         return parent::getLabel();
 95:     }
 96: 
 97: 
 98:     /**
 99:      * Returns wrapper HTML element template.
100:      * @return Nette\Utils\Html
101:      */
102:     public function getSeparatorPrototype()
103:     {
104:         return $this->wrapper;
105:     }
106: 
107: }
108: