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<?php
namespace OOUI;
/**
* User interface control.
*
* @abstract
*/
class Widget extends Element {
/* Properties */
/**
* Disabled.
*
* @var bool Widget is disabled
*/
protected $disabled = false;
/* Methods */
/**
* @param array $config Configuration options
* - bool $config['disabled'] Disable (default: false)
*/
public function __construct( array $config = [] ) {
// Parent constructor
parent::__construct( $config );
// Initialization
$this->addClasses( [ 'oo-ui-widget' ] );
$this->setDisabled( $config['disabled'] ?? false );
}
/**
* Check if the widget is disabled.
*
* @return bool Button is disabled
*/
public function isDisabled() {
return $this->disabled;
}
/**
* Set the disabled state of the widget.
*
* This should probably change the widgets' appearance and prevent it from being used.
*
* @param bool $disabled Disable widget
* @return $this
*/
public function setDisabled( $disabled ) {
$this->disabled = (bool)$disabled;
$this->toggleClasses( [ 'oo-ui-widget-disabled' ], $this->disabled );
$this->toggleClasses( [ 'oo-ui-widget-enabled' ], !$this->disabled );
if ( $this->disabled ) {
$this->setAttributes( [ 'aria-disabled' => 'true' ] );
} else {
$this->removeAttributes( [ 'aria-disabled' ] );
}
return $this;
}
/**
* Get an ID of a labelable node which is part of this widget, if any, to be used for
* `<label for>` value.
*
* @return string|null The ID of the labelable node
*/
public function getInputId() {
return null;
}
/**
* Set the element with the given ID as a label for this widget.
*
* @param string|null $id
*/
public function setLabelledBy( $id ) {
if ( $id ) {
$this->setAttributes( [ 'aria-labelledby' => $id ] );
} else {
$this->removeAttributes( [ 'aria-labelledby' ] );
}
}
/** @inheritDoc */
public function getConfig( &$config ) {
if ( $this->disabled ) {
$config['disabled'] = $this->disabled;
}
return parent::getConfig( $config );
}
}
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