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Checkbox.php
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/
Checkbox.php
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<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @since CakePHP(tm) v3.0
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
namespace Cake\View\Input;
/**
* Input widget for creating checkbox widgets.
*/
class Checkbox {
/**
* Template instance.
*
* @var Cake\View\StringTemplate
*/
protected $_templates;
/**
* Constructor
*
* @param Cake\View\StringTemplate $templates
*/
public function __construct($templates) {
$this->_templates = $templates;
}
/**
* Render a checkbox element.
*
* Data supports the following keys:
*
* - `name` - The name of the input.
* - `value` - The value attribute. Defaults to '1'.
* - `val` - The current value. If it matches `value` the checkbox will be checked.
* You can also use the 'checked' attribute to make the checkbox checked.
* - `disabled` - Whether or not the checkbox should be disabled.
*
* Any other attributes passed in will be treated as HTML attributes.
*
* @param array $data The data to create a checkbox with.
* @return string Generated HTML string.
*/
public function render($data) {
$data += [
'name' => '',
'value' => 1,
'val' => null,
'checked' => false,
'disabled' => false,
];
if ($this->_isChecked($data)) {
$data['checked'] = true;
}
unset($data['val']);
$attrs = $this->_templates->formatAttributes(
$data,
['name', 'value']
);
return $this->_templates->format('checkbox', [
'name' => $data['name'],
'value' => $data['value'],
'attrs' => $attrs
]);
}
/**
* Check whether or not the checkbox should be checked.
*
* @param array $data Data to look at and determine checked state.
* @return boolean
*/
protected function _isChecked($data) {
if (!empty($data['checked'])) {
return true;
}
if ((string)$data['val'] === (string)$data['value']) {
return true;
}
return false;
}
}