1 files changed, 66 insertions, 0 deletions
diff --git a/includes/widget/NamespaceInputWidget.php b/includes/widget/NamespaceInputWidget.php
new file mode 100644
index 00000000..696c8adf
--- /dev/null
+++ b/includes/widget/NamespaceInputWidget.php
@@ -0,0 +1,66 @@
+<?php
+/**
+ * MediaWiki Widgets – NamespaceInputWidget class.
+ *
+ * @copyright 2011-2015 MediaWiki Widgets Team and others; see AUTHORS.txt
+ * @license The MIT License (MIT); see LICENSE.txt
+ */
+namespace MediaWiki\Widget;
+
+/**
+ * Namespace input widget. Displays a dropdown box with the choice of available namespaces.
+ */
+class NamespaceInputWidget extends \OOUI\DropdownInputWidget {
+
+	protected $includeAllValue = null;
+
+	/**
+	 * @param array $config Configuration options
+	 * @param string $config['includeAllValue'] If specified, add a "all namespaces" option to the
+	 *     namespace dropdown, and use this as the input value for it
+	 * @param number[] $config['exclude'] List of namespace numbers to exclude from the selector
+	 */
+	public function __construct( array $config = array() ) {
+		// Configuration initialization
+		$config['options'] = $this->getNamespaceDropdownOptions( $config );
+
+		// Parent constructor
+		parent::__construct( $config );
+
+		// Properties
+		$this->includeAllValue = isset( $config['includeAllValue'] ) ? $config['includeAllValue'] : null;
+		$this->exclude = isset( $config['exclude'] ) ? $config['exclude'] : array();
+
+		// Initialization
+		$this->addClasses( array( 'mw-widget-namespaceInputWidget' ) );
+	}
+
+	protected function getNamespaceDropdownOptions( array $config ) {
+		$namespaceOptionsParams = array(
+			'all' => isset( $config['includeAllValue'] ) ? $config['includeAllValue'] : null,
+			'exclude' => isset( $config['exclude'] ) ? $config['exclude'] : null
+		);
+		$namespaceOptions = \Html::namespaceSelectorOptions( $namespaceOptionsParams );
+
+		$options = array();
+		foreach ( $namespaceOptions as $id => $name ) {
+			$options[] = array(
+				'data' => (string)$id,
+				'label' => $name,
+			);
+		}
+
+		return $options;
+	}
+
+	protected function getJavaScriptClassName() {
+		return 'mw.widgets.NamespaceInputWidget';
+	}
+
+	public function getConfig( &$config ) {
+		$config['includeAllValue'] = $this->includeAllValue;
+		$config['exclude'] = $this->exclude;
+		// Skip DropdownInputWidget's getConfig(), we don't need 'options' config
+		return \OOUI\InputWidget::getConfig( $config );
+	}
+}