Merge pull request #26 from syncfusion-content/FLUT-5947-vol4-UG-doc

Nijamudeen-Mohamed · web-flow · commit a9f08faeda11 · 2021-12-10T13:57:41.000+05:30
FLUT-5947- [Feature] UG document for calendar and date picker
diff --git a/Flutter/DateRangePicker/selections.md b/Flutter/DateRangePicker/selections.md
@@ -139,6 +139,33 @@ Extend the selected range with the new selected date in any date range picker vi
 >**NOTE**
 * The hovering effect which occurs while extending the range will not be displayed when the `DateRangePickerNavigationMode` is set as `DateRangePickerNavigationMode.scroll`.
 
+## Extendable range selection Direction
+It allows to extend the selection direction by using the [extendableRangeSelectionDirection]() property of the DateRangePicker. 
+You can set the extendable range selection direction as forward, backward, both and none. 
+
+{% tabs %}
+{% highlight Dart %}
+
+@override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+        home: Scaffold(
+      body: SfDateRangePicker(
+        view: DateRangePickerView.month,
+        selectionMode: DateRangePickerSelectionMode.extendableRange,
+        extendableRangeSelectionDirection:
+            ExtendableRangeSelectionDirection.forward,
+      ),
+    ));
+  }
+
+{% endhighlight %}
+{% endtabs %}
+
+>**NOTE**
+* If it is set to none, it won't allow to extend the selection. It will remain in the initial range.
+* If it is set to forward direction, the start date will not be changed here.
+* If it is set to backward direction, the end date will not be changed here.
 
 ## Selection radius
 Customize the radius of the selection using the [selectionRadius](https://pub.dev/documentation/syncfusion_flutter_datepicker/latest/datepicker/SfDateRangePicker/selectionRadius.html) property of the `SfDateRangePicker`.
diff --git a/Flutter/calendar/callbacks.md b/Flutter/calendar/callbacks.md
@@ -76,6 +76,46 @@ Widget build(BuildContext context) {
 >**NOTE**
 * For recurrence appointment, the tap details will always return as `Appointment`, even for the custom business object.
 
+## Calendar details callback
+
+Return calendar details based on the given offset passed through argument by using the [getCalendarDetailsAtOffset]() method.
+
+`date` - returns the date based on the given offset.
+`appointments` - returns the appointments based on the given offset.
+`targetElement` - returns the calendar element based on the given offset.
+`resource` - returns the resource based on the given offset.
+
+{% tabs %}
+{% highlight Dart %}
+
+@override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+          body: MouseRegion(
+              onHover: (PointerHoverEvent event) {
+                CalendarDetails? details = _calendarController
+                    .getCalendarDetailsAtOffset!(event.localPosition);
+                if (details!.targetElement == CalendarElement.appointment) {
+                  dynamic appointments = details.appointments;
+                  final String subject =
+                      details.appointments![0].subject.toString();
+                  final dynamic startTime = details.appointments![0].startTime;
+                  final dynamic endTime = details.appointments![0].endTime;
+                }
+              },
+              child: SfCalendar(
+                view: CalendarView.month,
+                controller: _calendarController,
+                dataSource: _getCalendarDataSource(),
+              ))),
+    );
+  }
+}
+
+{% endhighlight %}
+{% endtabs %}
+
 ## Long press callback
 The [onLongPress](https://pub.dev/documentation/syncfusion_flutter_calendar/latest/calendar/SfCalendar/onLongPress.html) callback is called, whenever the `SfCalendar` elements are long pressed on view.
 
