gutenberg / lib / class-wp-widget-block.php

class-wp-widget-block.php in Gutenberg 10.0.0, at lib/class-wp-widget-block.php

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1	<?php
2	/**
3	* Widget API: WP_Widget_Block class
4	*
5	* @package Gutenberg
6	*/
7
8	/**
9	* Core class used to implement a Block widget.
10	*
11	* @see WP_Widget
12	*/
13	class WP_Widget_Block extends WP_Widget {
14
15	/**
16	* Default instance.
17	*
18	* @since 4.8.1
19	* @var array
20	*/
21	protected $default_instance = array(
22	'content' => '',
23	);
24
25	/**
26	* Sets up a new Block widget instance.
27	*
28	* @since 4.8.1
29	*/
30	public function __construct() {
31	$widget_ops = array(
32	'classname' => 'widget_block',
33	'description' => __( 'Gutenberg block.', 'gutenberg' ),
34	'customize_selective_refresh' => true,
35	);
36	$control_ops = array(
37	'width' => 400,
38	'height' => 350,
39	);
40	parent::__construct( 'block', __( 'Block', 'gutenberg' ), $widget_ops, $control_ops );
41	add_action( 'is_wide_widget_in_customizer', array( $this, 'set_is_wide_widget_in_customizer' ), 10, 2 );
42	}
43
44	/**
45	* Outputs the content for the current Block widget instance.
46	*
47	* @param array $args Display arguments including 'before_title', 'after_title',
48	* 'before_widget', and 'after_widget'.
49	* @param array $instance Settings for the current Block widget instance.
50	*
51	* @since 4.8.1
52	*
53	* @global WP_Post $post Global post object.
54	*/
55	public function widget( $args, $instance ) {
56	echo $args['before_widget'];
57	$content = do_blocks( $instance['content'] );
58
59	// Handle embeds for block widgets.
60	//
61	// When this feature is added to core it may need to be implemented
62	// differently. WP_Widget_Text is a good reference, that applies a
63	// filter for its content, which WP_Embed uses in its constructor.
64	// See https://core.trac.wordpress.org/ticket/51566.
65	global $wp_embed;
66	echo $wp_embed->autoembed( $content );
67
68	echo $args['after_widget'];
69	}
70
71	/**
72	* Handles updating settings for the current Block widget instance.
73	*
74	* @param array $new_instance New settings for this instance as input by the user via
75	* WP_Widget::form().
76	* @param array $old_instance Old settings for this instance.
77	*
78	* @return array Settings to save or bool false to cancel saving.
79	* @since 4.8.1
80	*/
81	public function update( $new_instance, $old_instance ) {
82	$instance = array_merge( $this->default_instance, $old_instance );
83	$instance['content'] = $new_instance['content'];
84
85	return $instance;
86	}
87
88	/**
89	* Outputs the Block widget settings form.
90	*
91	* @param array $instance Current instance.
92	*
93	* @see WP_Widget_Custom_HTML::render_control_template_scripts()
94	*/
95	public function form( $instance ) {
96	$instance = wp_parse_args( (array) $instance, $this->default_instance );
97	echo do_blocks( $instance['content'] );
98	$textarea_id = $this->get_field_id( 'content' );
99	?>
100	<br/>
101	<textarea id="<?php echo $textarea_id; ?>" name="<?php echo $this->get_field_name( 'content' ); ?>"
102	class="content sync-input" hidden><?php echo esc_textarea( $instance['content'] ); ?></textarea>
103	<script>
104	(function() {
105	var link = "<?php echo esc_js( admin_url( 'themes.php?page=gutenberg-widgets' ) ); ?>";
106	var container = jQuery('#<?php echo $textarea_id; ?>').closest(".form").find('.widget-control-actions .alignleft');
107	container.prepend(jQuery('<span> \|</span>'));
108	container.prepend(jQuery('<a href="'+link+'" class="button-link">Edit</a>'));
109	})();
110	</script>
111	<?php
112	}
113
114	/**
115	* Make sure no block widget is considered to be wide.
116	*
117	* @param boolean $is_wide Is regarded wide.
118	* @param string $widget_id Widget ID.
119	*
120	* @return bool Updated is_wide value.
121	*/
122	public function set_is_wide_widget_in_customizer( $is_wide, $widget_id ) {
123	if ( strpos( $widget_id, 'block-' ) === 0 ) {
124	return false;
125	}
126
127	return $is_wide;
128	}
129	}
130