formstack 0.9.18

A flutter library to create a UI based on the model from either json or dart object.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:formstack/formstack.dart';

void main() {
  runApp(const MainApp());
}

class MainApp extends StatelessWidget {
  const MainApp({super.key});

  @override
  Widget build(BuildContext context) {
    SystemChrome.setSystemUIOverlayStyle(
      const SystemUiOverlayStyle(
        systemNavigationBarColor: Colors.white,
        systemNavigationBarDividerColor: Colors.white,
        systemNavigationBarIconBrightness: Brightness.dark,
      ),
    );
    return MaterialApp(
        theme: ThemeData(
          useMaterial3: true,
          colorScheme: ColorScheme.fromSwatch(
              primarySwatch: Colors.blue, backgroundColor: Colors.white),
        ),
        home: const HomeScreen(),
        debugShowCheckedModeBanner: false);
  }
}

class HomeScreen extends StatelessWidget {
  const HomeScreen({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: SizedBox(
          width: 400,
          child: Column(
              crossAxisAlignment: CrossAxisAlignment.center,
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                ListTile(
                  trailing: const Icon(Icons.arrow_forward_ios_outlined),
                  onTap: () {
                    Navigator.push(
                        context,
                        MaterialPageRoute(
                          builder: (context) => const LoadFromObjectScreen(),
                        ));
                  },
                  title: const Text("Load Form using Object"),
                  subtitle:
                      const Text("Render UI by constructing dart objects"),
                ),
                ListTile(
                  trailing: const Icon(Icons.arrow_forward_ios_outlined),
                  onTap: () async {
                    FormStack.clearForms();
                    await FormStack.api().loadFromAssets(
                      ['assets/app.json', 'assets/full.json'],
                      mapKey: MapKey("GOOGLE_MAP_ANDROID_KEY _KEY",
                          "GOOGLE_MAP_IOS_KEY", "GOOGLE_MAP_WEB_KEY"),
                      initialLocation: LocationWrapper(0, 0),
                    );
                    FormStack.api().addCompletionCallback(
                      GenericIdentifier(id: "IS_COMPLETED"),
                      formName: "login_form",
                      onFinish: (p0) {
                        debugPrint("$p0");
                      },
                      onBeforeFinishCallback: (result) async {
                        FormStack.api().setError(
                            GenericIdentifier(id: "email"), "Invalid email,",
                            formName: "login_form");

                        FormStack.api()
                            .setResult(result, formName: "login_form");
                        return Future.value(false);
                      },
                    );
                    FormStack.api().setResult(
                      {"email": "[e-mail]"},
                      formName: "login_form",
                    );
                    // ignore: use_build_context_synchronously
                    Navigator.push(
                        context,
                        MaterialPageRoute(
                          builder: (context) => const LoadFromJSONScreen(),
                        ));
                  },
                  title: const Text("Load Form Json File"),
                  subtitle: const Text("Render UI by loading from json file"),
                )
              ]),
        ),
      ),
    );
  }
}

class LoadFromObjectScreen extends StatelessWidget {
  const LoadFromObjectScreen({super.key});

  @override
  Widget build(BuildContext context) {
    FormStack.api().form(
        initialLocation: LocationWrapper(0, 0),
        mapKey: MapKey("GOOGLE_MAP_ANDROID_KEY _KEY", "GOOGLE_MAP_IOS_KEY",
            "GOOGLE_MAP_WEB_KEY"),
        steps: [
          InstructionStep(
              id: GenericIdentifier(id: "IS_STARTED"),
              title: "Example Survey",
              text: "Simple survey example using dart model",
              cancellable: false),
          QuestionStep(
            title: "Name",
            text: "Your name",
            inputType: InputType.name,
            id: GenericIdentifier(id: "NAME"),
          ),
          QuestionStep(
            title: "Your Email ?",
            text: "Tell Email address",
            inputType: InputType.email,
            id: GenericIdentifier(id: "EMAIL"),
          ),
          QuestionStep(
            title: "Phone Number",
            text: "Share your phone number.",
            inputType: InputType.number,
            id: GenericIdentifier(id: "NUM"),
          ),
          QuestionStep(
            title: "Comment",
            text:
                "Tell us about your self and why you want our help to imprve your health.",
            inputType: InputType.text,
            numberOfLines: 5,
            id: GenericIdentifier(id: "COMMENT"),
          ),
          QuestionStep(
            title: "Multiple Choice",
            text:
                "Tell us about your self and why you want our help to imprve your health.",
            inputType: InputType.multipleChoice,
            options: [
              Options("IN", "India"),
              Options("CH", "China"),
              Options("AM", "America"),
              Options("SR", "Sreelanka")
            ],
            id: GenericIdentifier(id: "MULTIPLE_CHOICE"),
          ),
          QuestionStep(
            title: "Single Choice",
            text:
                "Tell us about your self and why you want our help to imprve your health.",
            inputType: InputType.singleChoice,
            options: [
              Options("IN", "India"),
              Options("CH", "China"),
              Options("AM", "America"),
              Options("SR", "Sreelanka")
            ],
            id: GenericIdentifier(id: "SINGLE_CHOICE"),
          ),
          QuestionStep(
            title: "Time Only",
            text:
                "Tell us about your self and why you want our help to imprve your health.",
            inputType: InputType.time,
            id: GenericIdentifier(id: "TIME_ONLY"),
          ),
          QuestionStep(
            title: "Date Of Birth",
            text:
                "Tell us about your self and why you want our help to imprve your health.",
            inputType: InputType.dateTime,
            id: GenericIdentifier(id: "DATE_TIME"),
          ),
          QuestionStep(
            title: "Are you happy",
            text:
                "Tell us about your self and why you want our help to imprve your health.",
            inputType: InputType.smile,
            id: GenericIdentifier(id: "IS_HAPPY"),
          ),
          QuestionStep(
            title: "Date Of Birth",
            text:
                "Tell us about your self and why you want our help to imprve your health.",
            inputType: InputType.date,
            id: GenericIdentifier(id: "DOB"),
          ),
          CompletionStep(
            id: GenericIdentifier(id: "IS_COMPLETED"),
            title: "Survey Completed",
            text: "ENd Of ",
            onFinish: (result) {
              debugPrint("Completed With Result : $result");
            },
          ),
        ]);
    return Scaffold(
      body: FormStack.api().render(),
    );
  }
}

class LoadFromJSONScreen extends StatelessWidget {
  const LoadFromJSONScreen({super.key});

  @override
  Widget build(BuildContext context) {
    FormStack.api().setResult({
      "dateOfBirth": "08-07-2023",
      "country": [
        {"title": "Aruba", "subTitle": null, "key": "AW"}
      ]
    }, formName: "contact_information");
    FormStack.api().addCompletionCallback(
      GenericIdentifier(id: "IS_COMPLETED"),
      formName: "contact_information",
      onFinish: (p0) {
        debugPrint("$p0");
      },
      onBeforeFinishCallback: (result) async {
        // await Future.delayed(Duration(seconds: 30));
        return Future.value(true);
      },
    );
    return Scaffold(
      body: FormStack.api().render(),
    );
  }
}