1 files changed, 71 insertions, 0 deletions
diff --git a/www/wiki/resources/src/mediawiki.widgets/mw.widgets.NamespaceInputWidget.js b/www/wiki/resources/src/mediawiki.widgets/mw.widgets.NamespaceInputWidget.js
new file mode 100644
index 00000000..aa0c739f
--- /dev/null
+++ b/www/wiki/resources/src/mediawiki.widgets/mw.widgets.NamespaceInputWidget.js
@@ -0,0 +1,71 @@
+/*!
+ * MediaWiki Widgets - NamespaceInputWidget class.
+ *
+ * @copyright 2011-2015 MediaWiki Widgets Team and others; see AUTHORS.txt
+ * @license The MIT License (MIT); see LICENSE.txt
+ */
+( function ( $, mw ) {
+
+	/**
+	 * Namespace input widget. Displays a dropdown box with the choice of available namespaces.
+	 *
+	 * @class
+	 * @extends OO.ui.DropdownInputWidget
+	 *
+	 * @constructor
+	 * @param {Object} [config] Configuration options
+	 * @cfg {string|null} [includeAllValue] Value for "all namespaces" option, if any
+	 * @cfg {number[]} [exclude] List of namespace numbers to exclude from the selector
+	 */
+	mw.widgets.NamespaceInputWidget = function MwWidgetsNamespaceInputWidget( config ) {
+		// Configuration initialization
+		config = $.extend( {}, config, { options: this.getNamespaceDropdownOptions( config ) } );
+
+		// Parent constructor
+		mw.widgets.NamespaceInputWidget.parent.call( this, config );
+
+		// Initialization
+		this.$element.addClass( 'mw-widget-namespaceInputWidget' );
+	};
+
+	/* Setup */
+
+	OO.inheritClass( mw.widgets.NamespaceInputWidget, OO.ui.DropdownInputWidget );
+
+	/* Methods */
+
+	/**
+	 * @private
+	 * @param {Object} [config] Configuration options
+	 * @return {Object[]} Dropdown options
+	 */
+	mw.widgets.NamespaceInputWidget.prototype.getNamespaceDropdownOptions = function ( config ) {
+		var options,
+			exclude = config.exclude || [],
+			mainNamespace = mw.config.get( 'wgNamespaceIds' )[ '' ];
+
+		options = $.map( mw.config.get( 'wgFormattedNamespaces' ), function ( name, ns ) {
+			if ( ns < mainNamespace || exclude.indexOf( Number( ns ) ) !== -1 ) {
+				return null; // skip
+			}
+			ns = String( ns );
+			if ( ns === String( mainNamespace ) ) {
+				name = mw.message( 'blanknamespace' ).text();
+			}
+			return { data: ns, label: name };
+		} ).sort( function ( a, b ) {
+			// wgFormattedNamespaces is an object, and so technically doesn't have to be ordered
+			return a.data - b.data;
+		} );
+
+		if ( config.includeAllValue !== null && config.includeAllValue !== undefined ) {
+			options.unshift( {
+				data: config.includeAllValue,
+				label: mw.message( 'namespacesall' ).text()
+			} );
+		}
+
+		return options;
+	};
+
+}( jQuery, mediaWiki ) );