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<?php
namespace OOUI;
/**
* Element with a button.
*
* Buttons are used for controls which can be clicked. They can be configured to use tab indexing
* and access keys for accessibility purposes.
*
* @abstract
*/
class ButtonElement extends ElementMixin {
/**
* Button is framed.
*
* @var boolean
*/
protected $framed = false;
/**
* Button's access key.
*
* @var string
*/
protected $accessKey = null;
public static $targetPropertyName = 'button';
/**
* @param Element $element Element being mixed into
* @param array $config Configuration options
* @param boolean $config['framed'] Render button with a frame (default: true)
* @param string $config['accessKey'] Button's access key
*/
public function __construct( Element $element, array $config = array() ) {
// Parent constructor
$target = isset( $config['button'] ) ? $config['button'] : new Tag( 'a' );
parent::__construct( $element, $target, $config );
// Initialization
$this->element->addClasses( array( 'oo-ui-buttonElement' ) );
$this->target->addClasses( array( 'oo-ui-buttonElement-button' ) );
$this->toggleFramed( isset( $config['framed'] ) ? $config['framed'] : true );
$this->setAccessKey( isset( $config['accessKey'] ) ? $config['accessKey'] : null );
$this->target->setAttributes( array(
'role' => 'button',
) );
}
/**
* Toggle frame.
*
* @param boolean $framed Make button framed, omit to toggle
* @chainable
*/
public function toggleFramed( $framed = null ) {
$this->framed = $framed !== null ? !!$framed : !$this->framed;
$this->element->toggleClasses( array( 'oo-ui-buttonElement-framed' ), $this->framed );
$this->element->toggleClasses( array( 'oo-ui-buttonElement-frameless' ), !$this->framed );
}
/**
* Check if button has a frame.
*
* @return boolean Button is framed
*/
public function isFramed() {
return $this->framed;
}
/**
* Set access key.
*
* @param string $accessKey Button's access key, use empty string to remove
* @chainable
*/
public function setAccessKey( $accessKey ) {
$accessKey = is_string( $accessKey ) && strlen( $accessKey ) ? $accessKey : null;
if ( $this->accessKey !== $accessKey ) {
if ( $accessKey !== null ) {
$this->target->setAttributes( array( 'accesskey' => $accessKey ) );
} else {
$this->target->removeAttributes( array( 'accesskey' ) );
}
$this->accessKey = $accessKey;
}
return $this;
}
public function getConfig( &$config ) {
if ( $this->framed !== true ) {
$config['framed'] = $this->framed;
}
if ( $this->accessKey !== null ) {
$config['accessKey'] = $this->accessKey;
}
return parent::getConfig( $config );
}
}
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