EZP-29279: Fix value displayed by the Date Field Type being affected …

…by browser time zone (#984)

* EZP-29279: Fix value displayed by the Date Field Type being affected by browser time zone

* fixup! EZP-29279: Fix value displayed by the Date Field Type being affected by browser time zone

Resources/public/js/views/fields/ez-date-editview.js

@@ -74,10 +74,14 @@ YUI.add('ez-date-editview', function (Y) {
          * @protected
          */
         _syncDateAttribute: function () {
-            var field = this.get('field');
+            var field = this.get('field'),
+                date;
 
             if ( this._containsValidTimestamp() ) {
-                this._set('date', Y.Date.format(new Date(field.fieldValue.timestamp * 1000)));
+                date = new Date(field.fieldValue.timestamp * 1000);
+
+                date.setTime(date.getTime() + date.getTimezoneOffset() * 60 * 1000);
+                this._set('date', Y.Date.format(date));
             }
         },
 
@@ -260,6 +264,8 @@ YUI.add('ez-date-editview', function (Y) {
             }
             if ( this._containsValidTimestamp() ) {
                 date = new Date(field.fieldValue.timestamp * 1000);
+
+                date.setTime(date.getTime() + date.getTimezoneOffset() * 60 * 1000);
             }
             calendar = new Y.Calendar({
                 showPrevMonth: true,

Resources/public/js/views/fields/ez-date-view.js

@@ -48,6 +48,18 @@ YUI.add('ez-date-view', function (Y) {
             }
             return '';
         },
+
+        /**
+         * Formats the date part of the date object
+         *
+         * @method _formatDate
+         * @protected
+         * @param {Date} date
+         * @return {String}
+         */
+        _formatDate: function (date) {
+            return date.toLocaleDateString(undefined, {timeZone: 'UTC'});
+        },
     });
 
     Y.eZ.FieldView.registerFieldView('ezdate', Y.eZ.DateView);