WP_Widget_Text

17class WP_Widget_Text extends WP_Widget {18 19	/**20	 * Whether or not the widget has been registered yet.21	 *22	 * @since 4.8.123	 * @var bool24	 */25	protected $registered = false;26 27	/**28	 * Sets up a new Text widget instance.29	 *30	 * @since 2.8.031	 */32	public function __construct() {33		$widget_ops  = array(34			'classname'                   => 'widget_text',35			'description'                 => __( 'Arbitrary text.' ),36			'customize_selective_refresh' => true,37			'show_instance_in_rest'       => true,38		);39		$control_ops = array(40			'width'  => 400,41			'height' => 350,42		);43		parent::__construct( 'text', __( 'Text' ), $widget_ops, $control_ops );44	}45 46	/**47	 * Adds hooks for enqueueing assets when registering all widget instances of this widget class.48	 *49	 * @param int $number Optional. The unique order number of this widget instance50	 *                    compared to other instances of the same class. Default -1.51	 */52	public function _register_one( $number = -1 ) {53		parent::_register_one( $number );54		if ( $this->registered ) {55			return;56		}57		$this->registered = true;58 59		if ( $this->is_preview() ) {60			add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_preview_scripts' ) );61		}62 63		/*64		 * Note that the widgets component in the customizer will also do65		 * the 'admin_print_scripts-widgets.php' action in WP_Customize_Widgets::print_scripts().66		 */67		add_action( 'admin_print_scripts-widgets.php', array( $this, 'enqueue_admin_scripts' ) );68 69		/*70		 * Note that the widgets component in the customizer will also do71		 * the 'admin_footer-widgets.php' action in WP_Customize_Widgets::print_footer_scripts().72		 */73		add_action( 'admin_footer-widgets.php', array( 'WP_Widget_Text', 'render_control_template_scripts' ) );74	}75 76	/**77	 * Determines whether a given instance is legacy and should bypass using TinyMCE.78	 *79	 * @since 4.8.180	 *81	 * @param array $instance {82	 *     Instance data.83	 *84	 *     @type string      $text   Content.85	 *     @type bool|string $filter Whether autop or content filters should apply.86	 *     @type bool        $legacy Whether widget is in legacy mode.87	 * }88	 * @return bool Whether Text widget instance contains legacy data.89	 */90	public function is_legacy_instance( $instance ) {91 92		// Legacy mode when not in visual mode.93		if ( isset( $instance['visual'] ) ) {94			return ! $instance['visual'];95		}96