Datepicker: Fixed #4131 Could week numbers [be] added to the Datepicker

1 files changed, 6 insertions, 2 deletions

diff --git a/ui/ui.datepicker.js b/ui/ui.datepicker.js
index 295fd0aba..716e8e2d2 100644
--- a/ui/ui.datepicker.js
+++ b/ui/ui.datepicker.js
@@ -50,6 +50,7 @@ function Datepicker() {
 		dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'], // For formatting
 		dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'], // For formatting
 		dayNamesMin: ['Su','Mo','Tu','We','Th','Fr','Sa'], // Column headings for days starting at Sunday
+		weekHeader: 'Wk', // Column header for week of the year
 		dateFormat: 'mm/dd/yy', // See format options on parseDate
 		firstDay: 0, // The first day of the week, Sun = 0, Mon = 1, ...
 		isRTL: false, // True if right-to-left language, false if left-to-right
@@ -77,6 +78,7 @@ function Datepicker() {
 			// either relative to current year (-nn:+nn) or absolute (nnnn:nnnn)
 		showOtherMonths: false, // True to show dates in other months, false to leave blank
 		selectOtherMonths: false, // True to allow selection of dates in other months, false for unselectable
+		showWeek: false, // True to show week of the year, false to not show it
 		calculateWeek: this.iso8601Week, // How to calculate the week of the year,
 			// takes a Date and returns the number of the week for it
 		shortYearCutoff: '+10', // Short year values < this are in the current century,
@@ -1366,6 +1368,7 @@ $.extend(Datepicker.prototype, {
 			'>' + currentText + '</button>' : '') + (isRTL ? '' : controls) + '</div>' : '';
 		var firstDay = parseInt(this._get(inst, 'firstDay'),10);
 		firstDay = (isNaN(firstDay) ? 0 : firstDay);
+		var showWeek = this._get(inst, 'showWeek');
 		var dayNames = this._get(inst, 'dayNames');
 		var dayNamesShort = this._get(inst, 'dayNamesShort');
 		var dayNamesMin = this._get(inst, 'dayNamesMin');
@@ -1399,7 +1402,7 @@ $.extend(Datepicker.prototype, {
 					row > 0 || col > 0, monthNames, monthNamesShort) + // draw month headers
 					'</div><table class="ui-datepicker-calendar"><thead>' +
 					'<tr>';
-				var thead = '';
+				var thead = (showWeek ? '<th class="ui-datepicker-week-col">' + this._get(inst, 'weekHeader') + '</th>' : '');
 				for (var dow = 0; dow < 7; dow++) { // days of the week
 					var day = (dow + firstDay) % 7;
 					thead += '<th' + ((dow + firstDay + 6) % 7 >= 5 ? ' class="ui-datepicker-week-end"' : '') + '>' +
@@ -1414,7 +1417,8 @@ $.extend(Datepicker.prototype, {
 				var printDate = this._daylightSavingAdjust(new Date(drawYear, drawMonth, 1 - leadDays));
 				for (var dRow = 0; dRow < numRows; dRow++) { // create date picker rows
 					calender += '<tr>';
-					var tbody = '';
+					var tbody = (!showWeek ? '' : '<td class="ui-datepicker-week-col">' +
+						this._get(inst, 'calculateWeek')(printDate) + '</td>');
 					for (var dow = 0; dow < 7; dow++) { // create date picker days
 						var daySettings = (beforeShowDay ?
 							beforeShowDay.apply((inst.input ? inst.input[0] : null), [printDate]) : [true, '']);