SDK Dialogs #1

- Implement show dialog action.
- Add show dialog action settings panel.
- Implement show dialog action execution.

Author: BirjuVachhani

lib/src/api/models/action/action.dart

@@ -32,7 +32,10 @@ enum ActionType {
   callApi,
 
   /// Update data in local storage.
-  setStorage;
+  setStorage,
+
+  /// Show a dialog.
+  showDialog;
 
   /// Displayable string representation of the [ActionType].
   String get prettify {
@@ -55,6 +58,8 @@ enum ActionType {
         return 'Call API';
       case ActionType.setStorage:
         return 'Set Storage';
+      case ActionType.showDialog:
+        return 'Show Dialog';
     }
   }
 }
@@ -112,6 +117,8 @@ abstract class ActionModel with SerializableMixin {
         return ApiCallAction.fromJson(json);
       case ActionType.setStorage:
         return SetStorageAction.fromJson(json);
+      case ActionType.showDialog:
+        return ShowDialogAction.fromJson(json);
     }
   }
 

lib/src/api/models/action/api_call_action.g.dart

@@ -0,0 +1,60 @@
+// Copyright (c) 2022, Codelessly.
+// All rights reserved. Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE.md file.
+
+import 'package:codelessly_json_annotation/codelessly_json_annotation.dart';
+import 'package:equatable/equatable.dart';
+
+import '../../mixins.dart';
+import '../condition.dart';
+import 'action.dart';
+
+part 'show_dialog_action.g.dart';
+
+/// An action that navigates to a new page.
+@JsonSerializable()
+class ShowDialogAction extends ActionModel
+    with EquatableMixin, SerializableMixin {
+
+  /// Destination canvas node's ID.
+  final String destinationId;
+
+  /// Parameters to pass to the destination page.
+  final Map<String, dynamic> params;
+
+  /// Whether the dialog is dismissible by tapping outside the dialog.
+  final bool barrierDismissible;
+
+  /// Creates a new [ShowDialogAction].
+  ShowDialogAction({
+    required this.destinationId,
+    Map<String, String>? params,
+    this.barrierDismissible = true,
+  })  : params = {...params ?? {}},
+        super(type: ActionType.showDialog);
+
+  @override
+  List<Object?> get props => [destinationId, params, barrierDismissible];
+
+  /// Duplicates this [ShowDialogAction] with given data overrides.
+  ShowDialogAction copyWith({
+    String? destinationId,
+    Map<String, String>? params,
+    bool? barrierDismissible,
+  }) =>
+      ShowDialogAction(
+        destinationId: destinationId ?? this.destinationId,
+        params: {...this.params, ...params ?? {}},
+        barrierDismissible: barrierDismissible ?? this.barrierDismissible,
+      );
+
+  /// Creates a new [ShowDialogAction] instance from a JSON data.
+  factory ShowDialogAction.fromJson(Map json) =>
+      _$ShowDialogActionFromJson(json);
+
+  @override
+  Map toJson() => _$ShowDialogActionToJson(this);
+
+  @override
+  R? accept<R>(ActionVisitor<R> visitor) => visitor.visitShowDialogAction(this);
+}