Refactor theming system with dedicated theme classes.

README.md

@@ -59,68 +59,75 @@ final date = await showRangePickerDialog(
 );
 ```
 
-Customize the appearance of the picker by providing optional parameters to the `showDatePickerDialog` or
+Customize the appearance of the picker by providing the `theme` parameter to the `showDatePickerDialog` or
 `showRangePickerDialog` function.
 
+Use `cellsPadding` on `DaysPickerTheme`, `MonthsPickerTheme`, or `YearsPickerTheme` to control inner padding around each grid cell (around the decorated content). Defaults are `EdgeInsets.zero` for days and `EdgeInsets.symmetric(horizontal: 8, vertical: 16)` for months and years.
+
+Set `isEnabled` to `false` on `DatePickerPlusTheme` for a **view-only** picker: selection, header navigation,
+and month swiping are disabled, and accessibility reports controls as disabled.
+
+```dart
+DatePicker(
+  minDate: DateTime(2020, 1, 1),
+  maxDate: DateTime(2025, 12, 31),
+  theme: const DatePickerPlusTheme(isEnabled: false),
+);
+```
+
 ```dart
 final date = await showDatePickerDialog(
-      context: context,
-      initialDate: DateTime(2022, 10, 10),
-      minDate: DateTime(2020, 10, 10),
-      maxDate: DateTime(2024, 10, 30),
-      width: 300,
-      height: 300,
-      currentDate: DateTime(2022, 10, 15),
-      selectedDate: DateTime(2022, 10, 16),
-      currentDateDecoration: const BoxDecoration(),
-      currentDateTextStyle: const TextStyle(),
-      daysOfTheWeekTextStyle: const TextStyle(),
-      disbaledCellsDecoration: const BoxDecoration(),
-      disabledCellsTextStyle: const TextStyle(),
-      enabledCellsDecoration: const BoxDecoration(),
-      enabledCellsTextStyle: const TextStyle(),
-      initialPickerType: PickerType.days,
-      selectedCellDecoration: const BoxDecoration(),
-      selectedCellTextStyle: const TextStyle(),
-      leadingDateTextStyle: const TextStyle(),
+  context: context,
+  initialDate: DateTime(2022, 10, 10),
+  minDate: DateTime(2020, 10, 10),
+  maxDate: DateTime(2024, 10, 30),
+  width: 300,
+  height: 300,
+  currentDate: DateTime(2022, 10, 15),
+  selectedDate: DateTime(2022, 10, 16),
+  theme: DatePickerPlusTheme(
+    headerTheme: const HeaderTheme(
+      centerLeadingDate: true,
       slidersColor: Colors.lightBlue,
-      highlightColor: Colors.redAccent,
       slidersSize: 20,
-      splashColor: Colors.lightBlueAccent,
-      splashRadius: 40,
-      centerLeadingDate: true,
+    ),
+    daysPickerTheme: const DaysPickerTheme(
+      cellsPadding: EdgeInsets.all(4),
+      enabledCellsDecoration: BoxDecoration(
+        color: Colors.transparent,
+      ),
+      disabledCellsTextStyle: TextStyle(color: Colors.grey),
+    ),
+    monthsPickerTheme: const MonthsPickerTheme(
+      cellsPadding: EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+    ),
+    yearsPickerTheme: const YearsPickerTheme(
+      cellsPadding: EdgeInsets.symmetric(horizontal: 12, vertical: 8),
+    ),
+  ),
 );
 ```
 
 ```dart
 final range = await showRangePickerDialog(
-      context: context,
-      initialDate: DateTime(2022, 10, 10),
-      minDate: DateTime(2020, 10, 10),
-      maxDate: DateTime(2024, 10, 30),
-      width: 300,
-      height: 300,
-      currentDate: DateTime(2022, 10, 15),
-      selectedRange: DateTimeRange(start: DateTime(2022), end: Dat(2023)),
-      selectedCellsDecoration: const BoxDecoration(),
-      selectedCellsTextStyle: const TextStyle(),
-      singleSelectedCellDecoration: const BoxDecoration(),
-      singleSelectedCellTextStyle: const TextStyle(),
-      currentDateDecoration: const BoxDecoration(),
-      currentDateTextStyle: const TextStyle(),
-      daysOfTheWeekTextStyle: const TextStyle(),
-      disbaledCellsDecoration: const BoxDecoration(),
-      disabledCellsTextStyle: const TextStyle(),
-      enabledCellsDecoration: const BoxDecoration(),
-      enabledCellsTextStyle: const TextStyle(),
-      initialPickerType: PickerType.days,
-      leadingDateTextStyle: const TextStyle(),
-      slidersColor: Colors.lightBlue,
-      highlightColor: Colors.redAccent,
-      slidersSize: 20,
-      splashColor: Colors.lightBlueAccent,
-      splashRadius: 40,
+  context: context,
+  initialDate: DateTime(2022, 10, 10),
+  minDate: DateTime(2020, 10, 10),
+  maxDate: DateTime(2024, 10, 30),
+  width: 300,
+  height: 300,
+  currentDate: DateTime(2022, 10, 15),
+  selectedRange: DateTimeRange(start: DateTime(2022), end: DateTime(2023)),
+  theme: DatePickerPlusTheme(
+    headerTheme: const HeaderTheme(
       centerLeadingDate: true,
+      slidersColor: Colors.lightBlue,
+    ),
+    rangePickerTheme: const RangePickerTheme(
+      selectedCellsDecoration: BoxDecoration(color: Colors.redAccent),
+      selectedCellsTextStyle: TextStyle(color: Colors.white),
+    ),
+  ),
 );
 ```
 

example/lib/main.dart

@@ -25,26 +25,20 @@ class MyApp extends StatelessWidget {
           return Scaffold(
             appBar: AppBar(),
             body: Center(
-              child: Column(
-                mainAxisAlignment: MainAxisAlignment.center,
-                children: [
-                  SizedBox(
-                    height: 400,
-                    child: DatePicker(
-                      centerLeadingDate: true,
+              child: StatefulBuilder(builder: (context, setState) {
+                return Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [
+                    DatePicker(
                       minDate: DateTime(2020),
-                      maxDate: DateTime(2024),
-                      initialDate: DateTime(2023, 1),
-                      disabledDayPredicate: (date) {
-                        return date.weekday == DateTime.sunday || date.weekday == DateTime.saturday;
-                      },
-                      disabledCellsDecoration: const BoxDecoration(
-                        color: Colors.green,
-                      ),
+                      maxDate: DateTime(2050),
+                      initialDate: DateTime.now(),
+                      currentDate: DateTime.now(),
+                      selectedDate: DateTime.now(),
                     ),
-                  ),
-                ],
-              ),
+                  ],
+                );
+              }),
             ),
           );
         },

example/pubspec.lock

@@ -47,7 +47,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "5.0.0"
+    version: "6.0.0"
   fake_async:
     dependency: transitive
     description:

lib/date_picker_plus.dart

@@ -6,3 +6,12 @@ export 'src/shared/year_picker.dart';
 export 'src/range/range_picker.dart';
 export 'src/range/show_range_picker_dialog.dart';
 export 'src/shared/picker_type.dart';
+export 'src/theme/date_picker_plus_theme.dart';
+export 'src/theme/header_theme.dart';
+export 'src/theme/days_of_the_week_theme.dart';
+export 'src/theme/days_picker_theme.dart';
+export 'src/theme/months_picker_theme.dart';
+export 'src/theme/years_picker_theme.dart';
+export 'src/theme/range_picker_theme.dart';
+export 'src/theme/ink_response_theme.dart';
+export 'src/shared/cell_state.dart';