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<?php
namespace OOUI;
/**
* Checkbox input widget.
*/
class CheckboxInputWidget extends InputWidget {
use RequiredElement;
/* Static Properties */
/** @var string */
public static $tagName = 'span';
/* Properties */
/**
* Whether the checkbox is selected.
*
* @var bool
*/
protected $selected;
/**
* @var bool
*/
protected $indeterminate;
/**
* @var IconWidget
*/
protected $checkIcon;
/**
* @param array $config Configuration options
* - bool $config['selected'] Whether the checkbox is initially selected
* (default: false)
* - bool $config['indeterminate'] Whether the checkbox is in the indeterminate state.
* (default: false)
*/
public function __construct( array $config = [] ) {
// Parent constructor
parent::__construct( $config );
// Properties
$this->checkIcon = new IconWidget( [
'icon' => 'check',
'classes' => [ 'oo-ui-checkboxInputWidget-checkIcon' ],
] );
// Traits
$this->initializeRequiredElement(
array_merge( [ 'indicatorElement' => null ], $config )
);
// Initialization
$this->addClasses( [ 'oo-ui-checkboxInputWidget' ] );
// Required for pretty styling in WikimediaUI theme
$this->appendContent( $this->checkIcon );
$this->setSelected( $config['selected'] ?? false );
$this->setIndeterminate( $config['indeterminate'] ?? false );
}
/** @inheritDoc */
protected function getInputElement( $config ) {
return ( new Tag( 'input' ) )->setAttributes( [ 'type' => 'checkbox' ] );
}
/**
* Set selection state of this checkbox.
*
* @param bool $state Whether the checkbox is selected
* @return $this
*/
public function setSelected( $state ) {
$this->selected = (bool)$state;
if ( $this->selected ) {
$this->input->setAttributes( [ 'checked' => 'checked' ] );
} else {
$this->input->removeAttributes( [ 'checked' ] );
}
return $this;
}
/**
* Check if this checkbox is selected.
*
* @return bool Checkbox is selected
*/
public function isSelected() {
return $this->selected;
}
/**
* Set indeterminate state of this checkbox.
*
* @param bool $state Whether the checkbox is indeterminate
* @return $this
*/
public function setIndeterminate( $state ) {
$this->indeterminate = (bool)$state;
// NB: A checkbox can't be made indeterminate through HTML,
// there is no indeterminate attribute. We can only store
// the state for infusion.
return $this;
}
/**
* Check if this checkbox is indeterminate.
*
* @return bool Checkbox is indeterminate
*/
public function isIndeterminate() {
return $this->indeterminate;
}
/** @inheritDoc */
public function getConfig( &$config ) {
if ( $this->selected ) {
$config['selected'] = $this->selected;
}
if ( $this->indeterminate ) {
$config['indeterminate'] = $this->indeterminate;
}
return parent::getConfig( $config );
}
}
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