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: use Nette\Utils\Html;
 12: 
 13: 
 14: /**
 15:  * Check box control. Allows the user to select a true or false condition.
 16:  */
 17: class Checkbox extends BaseControl
 18: {
 19:     /** @var Html  wrapper element template */
 20:     private $wrapper;
 21: 
 22: 
 23:     /**
 24:      * @param  string|object
 25:      */
 26:     public function __construct($label = null)
 27:     {
 28:         parent::__construct($label);
 29:         $this->control->type = 'checkbox';
 30:         $this->wrapper = Html::el();
 31:         $this->setOption('type', 'checkbox');
 32:     }
 33: 
 34: 
 35:     /**
 36:      * Sets control's value.
 37:      * @param  bool
 38:      * @return static
 39:      * @internal
 40:      */
 41:     public function setValue($value)
 42:     {
 43:         if (!is_scalar($value) && $value !== null) {
 44:             throw new Nette\InvalidArgumentException(sprintf("Value must be scalar or null, %s given in field '%s'.", gettype($value), $this->name));
 45:         }
 46:         $this->value = (bool) $value;
 47:         return $this;
 48:     }
 49: 
 50: 
 51:     /**
 52:      * Is control filled?
 53:      * @return bool
 54:      */
 55:     public function isFilled()
 56:     {
 57:         return $this->getValue() !== false; // back compatibility
 58:     }
 59: 
 60: 
 61:     /**
 62:      * Generates control's HTML element.
 63:      * @return Html
 64:      */
 65:     public function getControl()
 66:     {
 67:         return $this->wrapper->setHtml($this->getLabelPart()->insert(0, $this->getControlPart()));
 68:     }
 69: 
 70: 
 71:     /**
 72:      * Bypasses label generation.
 73:      * @return void
 74:      */
 75:     public function getLabel($caption = null)
 76:     {
 77:     }
 78: 
 79: 
 80:     /**
 81:      * @return Html
 82:      */
 83:     public function getControlPart()
 84:     {
 85:         return parent::getControl()->checked($this->value);
 86:     }
 87: 
 88: 
 89:     /**
 90:      * @return Html
 91:      */
 92:     public function getLabelPart()
 93:     {
 94:         return parent::getLabel();
 95:     }
 96: 
 97: 
 98:     /**
 99:      * Returns wrapper HTML element template.
100:      * @return Html
101:      */
102:     public function getSeparatorPrototype()
103:     {
104:         return $this->wrapper;
105:     }
106: }
107: