1 files changed, 115 insertions, 0 deletions
diff --git a/www/wiki/resources/src/mediawiki/htmlform/multiselect.js b/www/wiki/resources/src/mediawiki/htmlform/multiselect.js
new file mode 100644
index 00000000..e4837636
--- /dev/null
+++ b/www/wiki/resources/src/mediawiki/htmlform/multiselect.js
@@ -0,0 +1,115 @@
+/*
+ * HTMLForm enhancements:
+ * Convert multiselect fields from checkboxes to Chosen selector when requested.
+ */
+( function ( mw, $ ) {
+
+	function addMulti( $oldContainer, $container ) {
+		var name = $oldContainer.find( 'input:first-child' ).attr( 'name' ),
+			oldClass = ( ' ' + $oldContainer.attr( 'class' ) + ' ' ).replace( /(mw-htmlform-field-HTMLMultiSelectField|mw-chosen|mw-htmlform-dropdown)/g, '' ),
+			$select = $( '<select>' ),
+			dataPlaceholder = mw.message( 'htmlform-chosen-placeholder' );
+		oldClass = oldClass.trim();
+		$select.attr( {
+			name: name,
+			multiple: 'multiple',
+			'data-placeholder': dataPlaceholder.plain(),
+			'class': 'htmlform-chzn-select mw-input ' + oldClass
+		} );
+		$oldContainer.find( 'input' ).each( function () {
+			var $oldInput = $( this ),
+				checked = $oldInput.prop( 'checked' ),
+				$option = $( '<option>' );
+			$option.prop( 'value', $oldInput.prop( 'value' ) );
+			if ( checked ) {
+				$option.prop( 'selected', true );
+			}
+			$option.text( $oldInput.prop( 'value' ) );
+			$select.append( $option );
+		} );
+		$container.append( $select );
+	}
+
+	function convertCheckboxesToMulti( $oldContainer, type ) {
+		var $fieldLabel = $( '<td>' ),
+			$td = $( '<td>' ),
+			$fieldLabelText = $( '<label>' ),
+			$container;
+		if ( type === 'tr' ) {
+			addMulti( $oldContainer, $td );
+			$container = $( '<tr>' );
+			$container.append( $td );
+		} else if ( type === 'div' ) {
+			$fieldLabel = $( '<div>' );
+			$container = $( '<div>' );
+			addMulti( $oldContainer, $container );
+		}
+		$fieldLabel.attr( 'class', 'mw-label' );
+		$fieldLabelText.text( $oldContainer.find( '.mw-label label' ).text() );
+		$fieldLabel.append( $fieldLabelText );
+		$container.prepend( $fieldLabel );
+		$oldContainer.replaceWith( $container );
+		return $container;
+	}
+
+	function convertCheckboxesWidgetToTags( fieldLayout ) {
+		var checkboxesWidget, checkboxesOptions, menuTagOptions, menuTagWidget;
+
+		checkboxesWidget = fieldLayout.fieldWidget;
+		checkboxesOptions = checkboxesWidget.checkboxMultiselectWidget.getItems();
+		menuTagOptions = checkboxesOptions.map( function ( option ) {
+			return new OO.ui.MenuOptionWidget( {
+				data: option.getData(),
+				label: option.getLabel()
+			} );
+		} );
+		menuTagWidget = new OO.ui.MenuTagMultiselectWidget( {
+			$overlay: true,
+			menu: {
+				items: menuTagOptions
+			}
+		} );
+		menuTagWidget.setValue( checkboxesWidget.getValue() );
+
+		// Data from CapsuleMultiselectWidget will not be submitted with the form, so keep the original
+		// CheckboxMultiselectInputWidget up-to-date.
+		menuTagWidget.on( 'change', function () {
+			checkboxesWidget.setValue( menuTagWidget.getValue() );
+		} );
+
+		// Hide original widget and add new one in its place. This is a bit hacky, since the FieldLayout
+		// still thinks it's connected to the old widget.
+		checkboxesWidget.toggle( false );
+		checkboxesWidget.$element.after( menuTagWidget.$element );
+	}
+
+	mw.hook( 'htmlform.enhance' ).add( function ( $root ) {
+		var $dropdowns = $root.find( '.mw-htmlform-field-HTMLMultiSelectField.mw-htmlform-dropdown' );
+		if ( $dropdowns.length ) {
+			$dropdowns.each( function () {
+				var $el = $( this ),
+					data, modules, extraModules;
+				if ( $el.is( '[data-ooui]' ) ) {
+					// Load 'oojs-ui-widgets' for CapsuleMultiselectWidget
+					modules = [ 'mediawiki.htmlform.ooui', 'oojs-ui-widgets' ];
+					data = $el.data( 'mw-modules' );
+					if ( data ) {
+						// We can trust this value, 'data-mw-*' attributes are banned from user content in Sanitizer
+						extraModules = data.split( ',' );
+						modules.push.apply( modules, extraModules );
+					}
+					mw.loader.using( modules, function () {
+						convertCheckboxesWidgetToTags( OO.ui.FieldLayout.static.infuse( $el ) );
+					} );
+				} else {
+					mw.loader.using( 'jquery.chosen', function () {
+						var type = $el.is( 'tr' ) ? 'tr' : 'div',
+							$converted = convertCheckboxesToMulti( $el, type );
+						$converted.find( '.htmlform-chzn-select' ).chosen( { width: 'auto' } );
+					} );
+				}
+			} );
+		}
+	} );
+
+}( mediaWiki, jQuery ) );