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<?php
namespace OOUI;
/**
* Radio input widget.
*/
class RadioInputWidget extends InputWidget {
/**
* @param array $config Configuration options
* @param boolean $config['selected'] Whether the radio button is initially selected
* (default: false)
*/
public function __construct( array $config = array() ) {
// Parent constructor
parent::__construct( $config );
// Initialization
$this->addClasses( array( 'oo-ui-radioInputWidget' ) );
$this->setSelected( isset( $config['selected'] ) ? $config['selected'] : false );
}
protected function getInputElement( $config ) {
$input = new Tag( 'input' );
$input->setAttributes( array( 'type' => 'radio' ) );
return $input;
}
/**
* Set selection state of this radio button.
*
* @param boolean $state Whether the button is selected
*/
public function setSelected( $state ) {
// RadioInputWidget doesn't track its state.
if ( $state ) {
$this->input->setAttributes( array( 'checked' => 'checked' ) );
} else {
$this->input->removeAttributes( array( 'checked' ) );
}
return $this;
}
/**
* Check if this radio button is selected.
*
* @return boolean Radio is selected
*/
public function isSelected() {
return $this->input->getAttribute( 'checked' ) === 'checked';
}
public function getConfig( &$config ) {
if ( $this->isSelected() ) {
$config['selected'] = true;
}
return parent::getConfig( $config );
}
}
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