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WP_Widget_Media_Gallery::enqueue_admin_scripts()

Loads the required media files for the media manager and scripts for media widgets.

Source

File: wp-includes/widgets/class-wp-widget-media-gallery.php 

public function enqueue_admin_scripts() {
		parent::enqueue_admin_scripts();

		$handle = 'media-gallery-widget';
		wp_enqueue_script( $handle );

		$exported_schema = array();
		foreach ( $this->get_instance_schema() as $field => $field_schema ) {
			$exported_schema[ $field ] = wp_array_slice_assoc( $field_schema, array( 'type', 'default', 'enum', 'minimum', 'format', 'media_prop', 'should_preview_update', 'items' ) );
		}
		wp_add_inline_script(
			$handle,
			sprintf(
				'wp.mediaWidgets.modelConstructors[ %s ].prototype.schema = %s;',
				wp_json_encode( $this->id_base ),
				wp_json_encode( $exported_schema )
			)
		);

		wp_add_inline_script(
			$handle,
			sprintf(
				'
					wp.mediaWidgets.controlConstructors[ %1$s ].prototype.mime_type = %2$s;
					_.extend( wp.mediaWidgets.controlConstructors[ %1$s ].prototype.l10n, %3$s );
				',
				wp_json_encode( $this->id_base ),
				wp_json_encode( $this->widget_options['mime_type'] ),
				wp_json_encode( $this->l10n )
			)
		);
	}

Uses

Uses Description
wp-includes/widgets/class-wp-widget-media-gallery.php: WP_Widget_Media_Gallery::get_instance_schema()

Get schema for properties of a widget instance (item).
wp-includes/widgets/class-wp-widget-media.php: WP_Widget_Media::enqueue_admin_scripts()

Loads the required scripts and styles for the widget control.
wp-includes/functions.wp-scripts.php: wp_add_inline_script()

Adds extra code to a registered script.
wp-includes/functions.php: wp_json_encode()

Encode a variable into JSON, with some sanity checks.
wp-includes/functions.wp-scripts.php: wp_enqueue_script()

Enqueue a script.
wp-includes/functions.php: wp_array_slice_assoc()

Extract a slice of an array, given a list of keys.

Changelog

Version Description
4.9.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_widget_media_gallery/enqueue_admin_scripts