Refactor

Author: mono0926

lib/adaptive_dialog.dart

@@ -1,3 +1,3 @@
 export 'src/adaptive_style.dart';
 export 'src/alert_dialog.dart';
-export 'src/modal_action_sheet.dart';
+export 'src/modal_action_sheet/modal_action_sheet.dart';

lib/src/modal_action_sheet.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:adaptive_dialog/src/extensions/extensions.dart';
+import 'sheet_action.dart';
+
+class CupertinoModalActionSheet<T> extends StatelessWidget {
+  const CupertinoModalActionSheet({
+    Key key,
+    this.title,
+    this.message,
+    this.actions,
+    this.cancelLabel,
+  }) : super(key: key);
+
+  final String title;
+  final String message;
+  final List<SheetAction<T>> actions;
+  final String cancelLabel;
+
+  @override
+  Widget build(BuildContext context) {
+    void pop(T key) => Navigator.of(context).pop(key);
+    return CupertinoActionSheet(
+      title: title == null ? null : Text(title),
+      message: message == null ? null : Text(message),
+      cancelButton: CupertinoActionSheetAction(
+        child: Text(
+          cancelLabel ??
+              MaterialLocalizations.of(context)
+                  .cancelButtonLabel
+                  .capitalizedForce,
+        ),
+        isDefaultAction: !actions.any((a) => a.isDefaultAction),
+        onPressed: () => pop(null),
+      ),
+      actions: actions
+          .map((a) => CupertinoActionSheetAction(
+                child: Text(a.label),
+                isDestructiveAction: a.isDestructiveAction,
+                isDefaultAction: a.isDefaultAction,
+                onPressed: () => pop(a.key),
+              ))
+          .toList(),
+    );
+  }
+}

lib/src/modal_action_sheet/cupertino_modal_action_sheet.dart

@@ -0,0 +1,61 @@
+import 'package:flutter/material.dart';
+import 'sheet_action.dart';
+
+class MaterialModalActionSheet<T> extends StatelessWidget {
+  const MaterialModalActionSheet({
+    Key key,
+    this.title,
+    this.message,
+    this.actions,
+    this.cancelLabel,
+  }) : super(key: key);
+
+  final String title;
+  final String message;
+  final List<SheetAction<T>> actions;
+  final String cancelLabel;
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+    final colorScheme = theme.colorScheme;
+    return SafeArea(
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          if (title != null && message == null)
+            ListTile(
+              title: Text(title),
+              dense: true,
+            ),
+          if (message != null) ...[
+            ListTile(
+              title: Text(title),
+              subtitle: Text(message),
+            ),
+            const Divider()
+          ],
+          ...actions.map((a) {
+            final icon = a.icon;
+            final color = a.isDestructiveAction ? colorScheme.error : null;
+            return ListTile(
+              leading: icon == null
+                  ? null
+                  : Icon(
+                      icon,
+                      color: color,
+                    ),
+              title: Text(
+                a.label,
+                style: TextStyle(
+                  color: color,
+                ),
+              ),
+              onTap: () => Navigator.of(context).pop(a.key),
+            );
+          }),
+        ],
+      ),
+    );
+  }
+}

lib/src/modal_action_sheet/material_modal_action_sheet.dart

@@ -0,0 +1,45 @@
+import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:adaptive_dialog/src/extensions/extensions.dart';
+import 'package:adaptive_dialog/src/modal_action_sheet/material_modal_action_sheet.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+import 'cupertino_modal_action_sheet.dart';
+
+export 'sheet_action.dart';
+
+/// Show modal action sheet, whose appearance is adaptive according to platform
+
+/// The [isDismissible] parameter only works for material style and it specifies
+/// whether the bottom sheet will be dismissed when user taps on the scrim.
+Future<T> showModalActionSheet<T>({
+  @required BuildContext context,
+  String title,
+  String message,
+  List<SheetAction<T>> actions = const [],
+  String cancelLabel,
+  AdaptiveStyle style = AdaptiveStyle.adaptive,
+  bool isDismissible = true,
+}) {
+  final theme = Theme.of(context);
+  return style.isCupertinoStyle(theme)
+      ? showCupertinoModalPopup(
+          context: context,
+          builder: (context) => CupertinoModalActionSheet(
+            title: title,
+            message: message,
+            actions: actions,
+            cancelLabel: cancelLabel,
+          ),
+        )
+      : showModalBottomSheet(
+          context: context,
+          isDismissible: isDismissible,
+          builder: (context) => MaterialModalActionSheet(
+            title: title,
+            message: message,
+            actions: actions,
+            cancelLabel: cancelLabel,
+          ),
+        );
+}

lib/src/modal_action_sheet/modal_action_sheet.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/widgets.dart';
+import 'package:meta/meta.dart';
+
+/// Used for specifying showModalActionSheet's actions.
+@immutable
+class SheetAction<T> {
+  const SheetAction({
+    @required this.label,
+    this.key,
+    this.icon,
+    this.isDefaultAction = false,
+    this.isDestructiveAction = false,
+  });
+
+  final String label;
+
+  /// Only works for Material Style
+  final IconData icon;
+
+  /// Used for checking selection result
+  final T key;
+
+  /// Make font weight to bold(Only works for CupertinoStyle).
+  final bool isDefaultAction;
+
+  /// Make font color to destructive/error color(red).
+  final bool isDestructiveAction;
+}