1 files changed, 110 insertions, 0 deletions
diff --git a/www/wiki/resources/src/mediawiki.rcfilters/ui/mw.rcfilters.ui.ValuePickerWidget.js b/www/wiki/resources/src/mediawiki.rcfilters/ui/mw.rcfilters.ui.ValuePickerWidget.js
new file mode 100644
index 00000000..304929b7
--- /dev/null
+++ b/www/wiki/resources/src/mediawiki.rcfilters/ui/mw.rcfilters.ui.ValuePickerWidget.js
@@ -0,0 +1,110 @@
+( function ( mw ) {
+	/**
+	 * Widget defining the behavior used to choose from a set of values
+	 * in a single_value group
+	 *
+	 * @class
+	 * @extends OO.ui.Widget
+	 * @mixins OO.ui.mixin.LabelElement
+	 *
+	 * @constructor
+	 * @param {mw.rcfilters.dm.FilterGroup} model Group model
+	 * @param {Object} [config] Configuration object
+	 * @cfg {Function} [itemFilter] A filter function for the items from the
+	 *  model. If not given, all items will be included. The function must
+	 *  handle item models and return a boolean whether the item is included
+	 *  or not. Example: function ( itemModel ) { return itemModel.isSelected(); }
+	 */
+	mw.rcfilters.ui.ValuePickerWidget = function MwRcfiltersUiValuePickerWidget( model, config ) {
+		config = config || {};
+
+		// Parent
+		mw.rcfilters.ui.ValuePickerWidget.parent.call( this, config );
+		// Mixin constructors
+		OO.ui.mixin.LabelElement.call( this, config );
+
+		this.model = model;
+		this.itemFilter = config.itemFilter || function () { return true; };
+
+		// Build the selection from the item models
+		this.selectWidget = new OO.ui.ButtonSelectWidget();
+		this.initializeSelectWidget();
+
+		// Events
+		this.model.connect( this, { update: 'onModelUpdate' } );
+		this.selectWidget.connect( this, { choose: 'onSelectWidgetChoose' } );
+
+		// Initialize
+		this.$element
+			.addClass( 'mw-rcfilters-ui-valuePickerWidget' )
+			.append(
+				this.$label
+					.addClass( 'mw-rcfilters-ui-valuePickerWidget-title' ),
+				this.selectWidget.$element
+			);
+	};
+
+	/* Initialization */
+
+	OO.inheritClass( mw.rcfilters.ui.ValuePickerWidget, OO.ui.Widget );
+	OO.mixinClass( mw.rcfilters.ui.ValuePickerWidget, OO.ui.mixin.LabelElement );
+
+	/* Events */
+
+	/**
+	 * @event choose
+	 * @param {string} name Item name
+	 *
+	 * An item has been chosen
+	 */
+
+	/* Methods */
+
+	/**
+	 * Respond to model update event
+	 */
+	mw.rcfilters.ui.ValuePickerWidget.prototype.onModelUpdate = function () {
+		this.selectCurrentModelItem();
+	};
+
+	/**
+	 * Respond to select widget choose event
+	 *
+	 * @param {OO.ui.ButtonOptionWidget} chosenItem Chosen item
+	 * @fires choose
+	 */
+	mw.rcfilters.ui.ValuePickerWidget.prototype.onSelectWidgetChoose = function ( chosenItem ) {
+		this.emit( 'choose', chosenItem.getData() );
+	};
+
+	/**
+	 * Initialize the select widget
+	 */
+	mw.rcfilters.ui.ValuePickerWidget.prototype.initializeSelectWidget = function () {
+		var items = this.model.getItems()
+			.filter( this.itemFilter )
+			.map( function ( filterItem ) {
+				return new OO.ui.ButtonOptionWidget( {
+					data: filterItem.getName(),
+					label: filterItem.getLabel()
+				} );
+			} );
+
+		this.selectWidget.clearItems();
+		this.selectWidget.addItems( items );
+
+		this.selectCurrentModelItem();
+	};
+
+	/**
+	 * Select the current item that corresponds with the model item
+	 * that is currently selected
+	 */
+	mw.rcfilters.ui.ValuePickerWidget.prototype.selectCurrentModelItem = function () {
+		var selectedItem = this.model.findSelectedItems()[ 0 ];
+
+		if ( selectedItem ) {
+			this.selectWidget.selectItemByData( selectedItem.getName() );
+		}
+	};
+}( mediaWiki ) );