1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/oojs/oojs-ui/src/toolgroups/MenuToolGroup.js b/vendor/oojs/oojs-ui/src/toolgroups/MenuToolGroup.js
new file mode 100644
index 00000000..aef69a93
--- /dev/null
+++ b/vendor/oojs/oojs-ui/src/toolgroups/MenuToolGroup.js
@@ -0,0 +1,58 @@
+/**
+ * Drop down menu layout of tools as selectable menu items.
+ *
+ * @class
+ * @extends OO.ui.PopupToolGroup
+ *
+ * @constructor
+ * @param {OO.ui.Toolbar} toolbar
+ * @param {Object} [config] Configuration options
+ */
+OO.ui.MenuToolGroup = function OoUiMenuToolGroup( toolbar, config ) {
+	// Allow passing positional parameters inside the config object
+	if ( OO.isPlainObject( toolbar ) && config === undefined ) {
+		config = toolbar;
+		toolbar = config.toolbar;
+	}
+
+	// Configuration initialization
+	config = config || {};
+
+	// Parent constructor
+	OO.ui.MenuToolGroup.super.call( this, toolbar, config );
+
+	// Events
+	this.toolbar.connect( this, { updateState: 'onUpdateState' } );
+
+	// Initialization
+	this.$element.addClass( 'oo-ui-menuToolGroup' );
+};
+
+/* Setup */
+
+OO.inheritClass( OO.ui.MenuToolGroup, OO.ui.PopupToolGroup );
+
+/* Static Properties */
+
+OO.ui.MenuToolGroup.static.name = 'menu';
+
+/* Methods */
+
+/**
+ * Handle the toolbar state being updated.
+ *
+ * When the state changes, the title of each active item in the menu will be joined together and
+ * used as a label for the group. The label will be empty if none of the items are active.
+ */
+OO.ui.MenuToolGroup.prototype.onUpdateState = function () {
+	var name,
+		labelTexts = [];
+
+	for ( name in this.tools ) {
+		if ( this.tools[ name ].isActive() ) {
+			labelTexts.push( this.tools[ name ].getTitle() );
+		}
+	}
+
+	this.setLabel( labelTexts.join( ', ' ) || ' ' );
+};