Add support weekend day styles

example/ios/Flutter/flutter_export_environment.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=/Users/apple/SDK/flutter"
+export "FLUTTER_APPLICATION_PATH=/Volumes/HDD_MAC/PRO/flutter_date_pickers/example"
+export "COCOAPODS_PARALLEL_CODE_SIGN=true"
+export "FLUTTER_TARGET=lib/main.dart"
+export "FLUTTER_BUILD_DIR=build"
+export "FLUTTER_BUILD_NAME=1.0.0"
+export "FLUTTER_BUILD_NUMBER=1"
+export "DART_OBFUSCATION=false"
+export "TRACK_WIDGET_CREATION=false"
+export "TREE_SHAKE_ICONS=false"
+export "PACKAGE_CONFIG=.dart_tool/package_config.json"

example/pubspec.lock

@@ -68,7 +68,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.3.0"
+    version: "0.4.0"
   flutter_localizations:
     dependency: "direct main"
     description: flutter

lib/src/basic_day_based_widget.dart

@@ -300,7 +300,11 @@ class _DayCell extends StatelessWidget {
     } else if (DatePickerUtils.sameDate(currentDate, day)) {
       itemStyle = datePickerStyles.currentDateStyle;
     } else {
-      itemStyle = datePickerStyles.defaultDateTextStyle;
+      if (day.weekday == 6 || day.weekday == 7) {
+        itemStyle = datePickerStyles.weekendDateStyle;
+      } else {
+        itemStyle = datePickerStyles.defaultDateTextStyle;
+      }
     }
 
     // Merges decoration and textStyle with [EventDecoration].

lib/src/day_based_changable_picker.dart

@@ -234,7 +234,7 @@ class _DayBasedChangeablePickerState<T>
             onNextMonthTapped:
                 state.isLastMonth ? null : _presenter.gotoNextMonth,
             title: Text(
-              state.curMonthDis,
+              state.curMonthDis.capitalize(),
               key: widget.datePickerKeys?.selectedPeriodKeys,
               style: _resultStyles.displayedPeriodTitle,
             ),
@@ -377,3 +377,12 @@ DateTime _getInitiallyShownDate(
 /// non-nullable can still be used with `!` and `?`
 /// to support older versions of the API as well.
 T? _ambiguate<T>(T? value) => value;
+
+
+// ignore: public_member_api_docs
+extension StringExtension on String {
+    // ignore: prefer_expression_function_bodies, public_member_api_docs
+    String capitalize() {
+      return "${this[0].toUpperCase()}${substring(1).toLowerCase()}";
+    }
+}

lib/src/i_selectable_picker.dart

@@ -66,7 +66,9 @@ abstract class ISelectablePicker<T> {
   /// If [_selectableDayPredicate] is set checks it as well.
   @protected
   bool isDisabled(DateTime day) =>
-    day.isAfter(lastDate) || day.isBefore(firstDate) || !_selectableDayPredicate(day);
+      day.isAfter(lastDate) ||
+      day.isBefore(firstDate) ||
+      !_selectableDayPredicate(day);
 
   /// Closes [onUpdateController].
   /// After it [onUpdateController] can't get new events.

lib/src/range_picker.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
 import 'date_period.dart';
 import 'date_picker_keys.dart';

lib/src/styles/date_picker_styles.dart

@@ -26,6 +26,9 @@ class DatePickerStyles {
   /// Style for the numbers of disabled dates.
   final TextStyle? disabledDateStyle;
 
+  /// Style for weekend date.
+  final TextStyle? weekendDateStyle;
+
   /// Style for the number of selected date.
   final TextStyle? selectedDateStyle;
 
@@ -73,6 +76,7 @@ class DatePickerStyles {
       {this.displayedPeriodTitle,
       this.currentDateStyle,
       this.disabledDateStyle,
+      this.weekendDateStyle,
       this.selectedDateStyle,
       this.selectedSingleDateDecoration,
       this.defaultDateTextStyle,
@@ -106,6 +110,8 @@ class DatePickerStyles {
         theme.textTheme.bodyText1?.copyWith(color: theme.colorScheme.secondary);
     TextStyle? _disabledDateStyle = disabledDateStyle ??
         theme.textTheme.bodyText2?.copyWith(color: theme.disabledColor);
+    TextStyle? _weekendDateStyle = weekendDateStyle ??
+        theme.textTheme.bodyText2?.copyWith(color: theme.disabledColor);
     TextStyle? _selectedDateStyle = selectedDateStyle ??
         theme.textTheme.bodyText1?.copyWith(
           color: theme.colorScheme.onSecondary,
@@ -125,6 +131,7 @@ class DatePickerStyles {
     }
 
     return DatePickerStyles(
+        weekendDateStyle: _weekendDateStyle,
         disabledDateStyle: _disabledDateStyle,
         currentDateStyle: _currentDateStyle,
         displayedPeriodTitle: _displayedPeriodTitle,
@@ -282,13 +289,15 @@ class DatePickerRangeStyles extends DatePickerStyles {
       selectedPeriodStartTextStyle: _selectedPeriodStartTextStyle,
       selectedPeriodMiddleTextStyle: _selectedPeriodMiddleTextStyle,
       selectedPeriodEndTextStyle: _selectedPeriodEndTextStyle,
+      weekendDateStyle: commonStyles.weekendDateStyle,
     );
   }
 
   /// Styles for the pickers that allows to select range ([RangePicker],
   /// [WeekPicker]).
   DatePickerRangeStyles({
     TextStyle? displayedPeriodTitle,
+    TextStyle? weekendDateStyle,
     TextStyle? currentDateStyle,
     TextStyle? disabledDateStyle,
     TextStyle? selectedDateStyle,
@@ -318,6 +327,7 @@ class DatePickerRangeStyles extends DatePickerStyles {
             dayHeaderTitleBuilder: dayHeaderTitleBuilder,
             nextIcon: nextIcon,
             prevIcon: prevIcon,
+            weekendDateStyle: weekendDateStyle,
             firstDayOfeWeekIndex: firstDayOfWeekIndex);
 
   @override
@@ -344,7 +354,8 @@ class DatePickerRangeStyles extends DatePickerStyles {
         other.dayHeaderTitleBuilder == dayHeaderTitleBuilder &&
         other.prevIcon == prevIcon &&
         other.nextIcon == nextIcon &&
-        other.firstDayOfeWeekIndex == firstDayOfeWeekIndex;
+        other.firstDayOfeWeekIndex == firstDayOfeWeekIndex &&
+        other.weekendDateStyle == weekendDateStyle;
   }
 
   @override
@@ -358,6 +369,7 @@ class DatePickerRangeStyles extends DatePickerStyles {
       displayedPeriodTitle,
       currentDateStyle,
       disabledDateStyle,
+      weekendDateStyle,
       selectedDateStyle,
       defaultDateTextStyle,
       selectedSingleDateDecoration,

lib/src/week_picker.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 
 import 'date_period.dart';
 import 'date_picker_keys.dart';

pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -42,14 +42,14 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -78,7 +78,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -92,7 +99,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -104,7 +111,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -139,20 +146,13 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"

test/day_selectable_test.dart

@@ -41,7 +41,7 @@ void main() {
 
       // ignore: prefer_function_declarations_over_variables
       final selectablePredicate =
-          (DateTime d) => !DatePickerUtils.sameDate(d, disabledDate);
+          (d) => !DatePickerUtils.sameDate(d, disabledDate);
 
       final selectableLogic = DaySelectable(selectedDate, firstDate, lastDate,
           selectableDayPredicate: selectablePredicate);

test/range_selectable_test.dart

@@ -48,7 +48,8 @@ void main() {
         final middlePeriodDateType = selectableLogic.getDayType(date);
         expect(middlePeriodDateType, DayType.middle,
             reason: "Incorrect DayType for the date ${date.toString()} "
-                "in period ${startPeriod.toString()} - ${endPeriod.toString()}");
+                "in period ${startPeriod.toString()} "
+                "- ${endPeriod.toString()}");
       }
     });
   });
@@ -78,4 +79,4 @@ void main() {
     expect(selectableLogic.firstDate, startOfTheFirstDate);
     expect(selectableLogic.lastDate, endOfTheLastDate);
   });
-}
+}