Calendar: Introduce refresh callback event

Author: fnagel

tests/unit/calendar/common.js

@@ -37,6 +37,7 @@ common.testWidget( "calendar", {
 		// callbacks
 		change: null,
 		create: null,
+		refresh: null,
 		select: null
 	}
 } );

tests/unit/calendar/events.js

@@ -98,4 +98,26 @@ QUnit.test( "select", function( assert ) {
 	step1();
 } );
 
+QUnit.test( "refresh", function( assert ) {
+	assert.expect( 2 );
+
+	var shouldFire;
+
+	this.element.calendar( {
+		refresh: function() {
+			assert.ok( shouldFire, "refresh event fired" );
+		}
+	} );
+
+	shouldFire = true;
+	this.element.find( "button.ui-calendar-next" ).simulate( "click" );
+
+	shouldFire = false;
+	this.element.find( "table button:eq(1)" ).simulate( "click" );
+
+	testHelper.focusGrid( this.element ).simulate( "keydown", { keyCode: $.ui.keyCode.END } );
+	shouldFire = true;
+	testHelper.focusGrid( this.element ).simulate( "keydown", { keyCode: $.ui.keyCode.DOWN } );
+} );
+
 } );

tests/unit/datepicker/common.js

@@ -46,6 +46,7 @@ common.testWidget( "datepicker", {
 		close: null,
 		create: null,
 		open: null,
+		refresh: null,
 		select: null
 	}
 } );

tests/unit/datepicker/events.js

@@ -180,4 +180,22 @@ QUnit.test( "select", function( assert ) {
 	step1();
 } );
 
+QUnit.test( "refresh", function( assert ) {
+	assert.expect( 1 );
+
+	var shouldFire;
+
+	this.element.calendar( {
+		refresh: function() {
+			assert.ok( shouldFire, "refresh event fired" );
+		}
+	} );
+
+	shouldFire = true;
+	this.element.find( "button.ui-calendar-next" ).simulate( "click" );
+
+	shouldFire = false;
+	this.element.find( "table button:eq(1)" ).simulate( "click" );
+} );
+
 } );

ui/widgets/calendar.js

@@ -73,6 +73,7 @@ return $.widget( "ui.calendar", {
 
 		// callbacks
 		change: null,
+		refresh: null,
 		select: null
 	},
 
@@ -595,6 +596,8 @@ return $.widget( "ui.calendar", {
 		this._setActiveDescendant();
 		this._refreshHeaderButtons();
 		this._createButtons();
+
+		this._trigger( "refresh" );
 	},
 
 	_refreshHeaderButtons: function() {

ui/widgets/datepicker.js

@@ -55,11 +55,12 @@ var widget = $.widget( "ui.datepicker", {
 		change: null,
 		close: null,
 		open: null,
+		refresh: null,
 		select: null
 	},
 
 	calendarOptions: [ "buttons", "classes", "disabled", "dateFormat", "eachDay",
-		"icons", "labels", "locale", "max", "min", "numberOfMonths", "showWeek" ],
+		"icons", "labels", "locale", "max", "min", "numberOfMonths", "showWeek", "refresh" ],
 
 	_create: function() {
 		this.suppressExpandOnFocus = false;