1 files changed, 101 insertions, 0 deletions
diff --git a/plugins/jetpack/functions.gallery.php b/plugins/jetpack/functions.gallery.php
new file mode 100644
index 00000000..7fc90611
--- /dev/null
+++ b/plugins/jetpack/functions.gallery.php
@@ -0,0 +1,101 @@
+<?php
+
+/**
+ * Renders extra controls in the Gallery Settings section of the new media UI.
+ */
+class Jetpack_Gallery_Settings {
+	function __construct() {
+		add_action( 'admin_init', array( $this, 'admin_init' ) );
+	}
+
+	function admin_init() {
+		/**
+		 * Filter the available gallery types.
+		 *
+		 * @module shortcodes, tiled-gallery
+		 *
+		 * @since 2.5.1
+		 *
+		 * @param array $value Array of the default thumbnail grid gallery type. Default array contains one key, ‘default’.
+		 *
+		 */
+		$this->gallery_types = apply_filters( 'jetpack_gallery_types', array( 'default' => __( 'Thumbnail Grid', 'jetpack' ) ) );
+
+		// Enqueue the media UI only if needed.
+		if ( count( $this->gallery_types ) > 1 ) {
+			add_action( 'wp_enqueue_media', array( $this, 'wp_enqueue_media' ) );
+			add_action( 'print_media_templates', array( $this, 'print_media_templates' ) );
+		}
+		// Add Slideshow and Galleries functionality to core's media gallery widget.
+		add_filter( 'widget_media_gallery_instance_schema', array( $this, 'core_media_widget_compat' ) );
+	}
+
+	/**
+	 * Updates the schema of the core gallery widget so we can save the
+	 * fields that we add to Gallery Widgets, like `type` and `conditions`
+	 *
+	 * @param $schema The current schema for the core gallery widget
+	 *
+	 * @return array  the updated schema
+	 */
+	public function core_media_widget_compat( $schema ) {
+		$schema['type'] = array(
+			'type' => 'string',
+			'enum' => array_keys( $this->gallery_types ),
+			'description' => __( 'Type of gallery.', 'jetpack' ),
+			'default' => 'default',
+		);
+		return $schema;
+	}
+
+	/**
+	 * Registers/enqueues the gallery settings admin js.
+	 */
+	function wp_enqueue_media() {
+		if ( ! wp_script_is( 'jetpack-gallery-settings', 'registered' ) ) {
+			/**
+			 * This only happens if we're not in Jetpack, but on WPCOM instead.
+			 * This is the correct path for WPCOM.
+			 */
+			wp_register_script(
+				'jetpack-gallery-settings',
+				Jetpack::get_file_url_for_environment( '_inc/build/gallery-settings.min.js', '_inc/gallery-settings.js' ),
+				array( 'media-views' ),
+				'20121225'
+			);
+		}
+
+		wp_enqueue_script( 'jetpack-gallery-settings' );
+	}
+
+	/**
+	 * Outputs a view template which can be used with wp.media.template
+	 */
+	function print_media_templates() {
+		/**
+		 * Filter the default gallery type.
+		 *
+		 * @module tiled-gallery
+		 *
+		 * @since 2.5.1
+		 *
+		 * @param string $value A string of the gallery type. Default is ‘default’.
+		 *
+		 */
+		$default_gallery_type = apply_filters( 'jetpack_default_gallery_type', 'default' );
+
+		?>
+		<script type="text/html" id="tmpl-jetpack-gallery-settings">
+			<label class="setting">
+				<span><?php _e( 'Type', 'jetpack' ); ?></span>
+				<select class="type" name="type" data-setting="type">
+					<?php foreach ( $this->gallery_types as $value => $caption ) : ?>
+						<option value="<?php echo esc_attr( $value ); ?>" <?php selected( $value, $default_gallery_type ); ?>><?php echo esc_html( $caption ); ?></option>
+					<?php endforeach; ?>
+				</select>
+			</label>
+		</script>
+		<?php
+	}
+}
+new Jetpack_Gallery_Settings;