Use events instead of callbacks for success or no results

Allows extension users to bind for this event, also reduces callbacks

Change-Id: I14cc6d51ad23432956e3ea3275c72db26d71a8c8

src/jquery.uls.core.js

@@ -224,6 +224,7 @@
 		 * Callback for no results found context.
 		 */
 		noresults: function () {
+			$( '.regionselector' ).removeClass( 'active' );
 			this.$resultsView.lcd( 'noResults' );
 		},
 
@@ -231,6 +232,7 @@
 		 * callback for results found context.
 		 */
 		success: function () {
+			$( '.regionselector' ).removeClass( 'active' );
 			this.$resultsView.show();
 		},
 
@@ -244,7 +246,9 @@
 			// Register all event listeners to the ULS here.
 			uls.$element.on( 'click', $.proxy( uls.click, uls ) );
 
-			uls.$languageFilter.on( 'searchclear', $.proxy( uls.defaultSearch, uls ) );
+			uls.$languageFilter.on( 'searchclear.uls', $.proxy( uls.defaultSearch, uls ) );
+			uls.$languageFilter.on( 'noresults.uls', $.proxy( uls.noresults, uls ) );
+			uls.$languageFilter.on( 'resultsfound.uls', $.proxy( uls.success, uls ) );
 
 			// Close when clicking on the close button
 			uls.$menu.find( '#uls-close' ).on( 'click', $.proxy( uls.cancel, uls ) );
@@ -272,14 +276,6 @@
 			uls.$languageFilter.languagefilter( {
 				$target: lcd,
 				languages: uls.languages,
-				success: function () {
-					$( '.regionselector' ).removeClass( 'active' );
-					uls.success();
-				},
-				noresults: function () {
-					$( '.regionselector' ).removeClass( 'active' );
-					uls.noresults();
-				},
 				searchAPI: uls.options.searchAPI,
 				onSelect: $.proxy( uls.select, uls )
 			} );

src/jquery.uls.languagefilter.js

@@ -143,7 +143,7 @@
 		 */
 		clear: function() {
 			this.deactivate();
-			this.$element.trigger( 'searchclear' );
+			this.$element.trigger( 'searchclear.uls' );
 		},
 
 		/**
@@ -222,15 +222,15 @@
 
 		/**
 		 * Handler method to be called once search is over.
-		 * Based on search result call success or noresults callbacks
+		 * Based on search result triggers resultsfound or noresults events
 		 * @param query string
 		 */
 		resultHandler: function( query ) {
-			if ( this.resultCount === 0 && this.options.noresults ) {
+			if ( this.resultCount === 0 ) {
 				this.$suggestion.val( '' );
-				this.options.noresults.call( this, query );
-			} else if ( this.options.success ) {
-				this.options.success( this, query, this.resultCount );
+				this.$element.trigger( 'noresults.uls', query );
+			} else {
+				this.$element.trigger( 'resultsfound.uls', [query, this.resultCount] );
 			}
 		},
 
@@ -339,8 +339,6 @@
 		$target: null, // Where to append the results
 		searchAPI: null,
 		languages: null, // Languages as code:name format.
-		noresults: null, // callback for no results found case
-		success: null, // callback if any results found.
 		onSelect: null // Language select handler - like enter in filter textbox.
 	};