Add displayDaysNumber

lib/src/table_calendar.dart

@@ -161,6 +161,11 @@ class TableCalendar<T> extends StatefulWidget {
   /// * `RangeSelectionMode.enforced` - range selection is always on.
   final RangeSelectionMode rangeSelectionMode;
 
+  /// List of display days Number
+  /// eg. Starting Days is Monday and displayDaysNumber is 5 -> Mon, Tue, Wed, Thu, Fri
+  /// eg. Starting Days is Sunday and displayDaysNumber is 3 -> Sun, Mon, Tue, Wed
+  final int displayDaysNumber;
+
   /// Function that assigns a list of events to a specified day.
   final List<T> Function(DateTime day)? eventLoader;
 
@@ -246,6 +251,7 @@ class TableCalendar<T> extends StatefulWidget {
     this.calendarStyle = const CalendarStyle(),
     this.calendarBuilders = const CalendarBuilders(),
     this.rangeSelectionMode = RangeSelectionMode.toggledOff,
+    this.displayDaysNumber = 7,
     this.eventLoader,
     this.enabledDayPredicate,
     this.selectedDayPredicate,
@@ -508,6 +514,7 @@ class _TableCalendarState<T> extends State<TableCalendar<T>> {
               _focusedDay.value = focusedDay;
               widget.onPageChanged?.call(focusedDay);
             },
+            displayDaysNumber: widget.displayDaysNumber,
             weekNumbersVisible: widget.weekNumbersVisible,
             weekNumberBuilder: (BuildContext context, DateTime day) {
               final weekNumber = _calculateWeekNumber(day);

lib/src/table_calendar_base.dart

@@ -35,6 +35,7 @@ class TableCalendarBase extends StatefulWidget {
   final SwipeCallback? onVerticalSwipe;
   final void Function(DateTime focusedDay)? onPageChanged;
   final void Function(PageController pageController)? onCalendarCreated;
+  final int displayDaysNumber;
 
   TableCalendarBase({
     Key? key,
@@ -72,6 +73,7 @@ class TableCalendarBase extends StatefulWidget {
     this.onVerticalSwipe,
     this.onPageChanged,
     this.onCalendarCreated,
+    this.displayDaysNumber=7,
   })  : assert(!dowVisible || (dowHeight != null && dowBuilder != null)),
         assert(isSameDay(focusedDay, firstDay) || focusedDay.isAfter(firstDay)),
         assert(isSameDay(focusedDay, lastDay) || focusedDay.isBefore(lastDay)),
@@ -204,6 +206,7 @@ class _TableCalendarBaseState extends State<TableCalendarBase> {
               );
             },
             child: CalendarCore(
+              displayDaysNumber: widget.displayDaysNumber,
               constraints: constraints,
               pageController: _pageController,
               scrollPhysics: _canScrollHorizontally

lib/src/widgets/calendar_core.dart

@@ -31,6 +31,7 @@ class CalendarCore extends StatelessWidget {
   final PageController? pageController;
   final ScrollPhysics? scrollPhysics;
   final _OnCalendarPageChanged onPageChanged;
+  final int displayDaysNumber;
 
   const CalendarCore({
     Key? key,
@@ -55,6 +56,7 @@ class CalendarCore extends StatelessWidget {
     this.rowDecoration,
     this.tableBorder,
     this.scrollPhysics,
+    this.displayDaysNumber = 7,
   })  : assert(!dowVisible || (dowHeight != null && dowBuilder != null)),
         super(key: key);
 
@@ -110,6 +112,7 @@ class CalendarCore extends StatelessWidget {
               child: weekNumberBuilder?.call(context, day),
             );
           },
+          displayDaysNumber: displayDaysNumber,
         );
       },
       onPageChanged: (index) {

lib/src/widgets/calendar_page.dart

@@ -14,6 +14,7 @@ class CalendarPage extends StatelessWidget {
   final bool dowVisible;
   final bool weekNumberVisible;
   final double? dowHeight;
+  final int displayDaysNumber;
 
   const CalendarPage({
     Key? key,
@@ -27,6 +28,7 @@ class CalendarPage extends StatelessWidget {
     this.dowVisible = true,
     this.weekNumberVisible = false,
     this.dowHeight,
+    this.displayDaysNumber = 7,
   })  : assert(!dowVisible || (dowHeight != null && dowBuilder != null)),
         assert(!weekNumberVisible || weekNumberBuilder != null),
         super(key: key);
@@ -66,7 +68,7 @@ class CalendarPage extends StatelessWidget {
     return TableRow(
       decoration: dowDecoration,
       children: List.generate(
-        7,
+        displayDaysNumber,
         (index) => dowBuilder!(context, visibleDays[index]),
       ).toList(),
     );
@@ -79,7 +81,7 @@ class CalendarPage extends StatelessWidget {
         .map((index) => TableRow(
               decoration: rowDecoration,
               children: List.generate(
-                7,
+                displayDaysNumber,
                 (id) => dayBuilder(context, visibleDays[index + id]),
               ),
             ))