tf_form 0.1.13

TechFusion's form builder and validator

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:tf_form/tf_form.dart';

void main() => runApp(const MyApp());
const appTitle = 'TechFusion\'s Form Validation';

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: appTitle,
      debugShowCheckedModeBanner: false,
      theme: ThemeData(),
      home: const DemoFormPage(),
    );
  }
}

class DemoFormPage extends StatefulWidget {
  const DemoFormPage({super.key});

  @override
  DemoFormPageState createState() {
    return DemoFormPageState();
  }
}

class DemoFormPageState extends State<DemoFormPage> {
  final _personalFormKey = GlobalKey<TFFormState>();
  final nicknameController = TextEditingController();
  final emailController = TextEditingController();
  final birthdayController = TextEditingController();
  final phoneController = TextEditingController();
  final heightController = TextEditingController();
  final roleController = TextEditingController(text: "member");

  final _addressesFormKey = GlobalKey<TFFormState>();
  final address1Controller = TextEditingController();
  final address2Controller = TextEditingController();
  final addressTypeController = TextEditingController();

  final _securityFormKey = GlobalKey<TFFormState>();
  final passwordController = TextEditingController();
  final confirmPasswordController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    // Build a Form widget using the _formKey created above.
    return DefaultTabController(
      length: 3,
      child: Scaffold(
        appBar: AppBar(
          bottom: const TabBar(
            tabs: [
              Tab(text: "Personal Info"),
              Tab(text: "Addresses"),
              Tab(text: "Security"),
            ],
          ),
          title: const Text(appTitle),
        ),
        body: TabBarView(
          children: [
            _buildPersonalInfoTab(),
            _buildAddressesTab(),
            _buildPSecurityTab(),
          ],
        ),
      ),
    );
  }

  Widget _buildPersonalInfoTab() {
    return SingleChildScrollView(
      child: TFForm(
        key: _personalFormKey,
        child: Padding(
          padding: const EdgeInsets.all(16.0),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              TFTextField(
                title: "Nickname",
                hintText: "Enter a nickname",
                controller: nicknameController,
                validationTypes: const [
                  TFValidationType.required,
                ],
              ),
              const SizedBox(height: 15),
              TFTextField(
                title: "Email",
                hintText: "[e-mail]",
                controller: emailController,
                validationTypes: const [
                  TFValidationType.required,
                  TFValidationType.emailAddress,
                ],
              ),
              const SizedBox(height: 15),
              const SizedBox(height: 15),
              TFDropdownField(
                title: "Role",
                items: [
                  TFOptionItem<String>(title: "Member", value: "member"),
                  TFOptionItem<String>(title: "Administrator", value: "admin"),
                  TFOptionItem<String>(title: "Manager", value: "manager")
                ],
                valueController: roleController,
                validationTypes: const [
                  TFValidationType.required,
                ],
              ),
              const SizedBox(height: 15),
              TFTextField(
                title: "Phone",
                hintText: "Enter a phone",
                controller: phoneController,
                keyboardType: TextInputType.number,
                validationTypes: const [
                  TFValidationType.required,
                  TFValidationType.phone,
                ],
              ),
              const SizedBox(height: 15),
              TFTextField(
                title: "Height (cm)",
                hintText: "Enter height",
                controller: heightController,
                keyboardType: const TextInputType.numberWithOptions(decimal: true),
                validationTypes: const [
                  TFValidationType.required,
                ],
              ),
              const SizedBox(height: 20),
              TFCheckboxGroup<String>(
                title: "Which social network do you usually use ?",
                initialValues: const ["fb", "telegram"],
                items: [
                  TFOptionItem<String>(title: "Facebook", value: "fb"),
                  TFOptionItem<String>(title: "Twitter", value: "twitter"),
                  TFOptionItem<String>(title: "Linkedin", value: "linkedin"),
                  TFOptionItem<String>(title: "Telegram", value: "telegram"),
                ],
                onChanged: (List<String> values) {
                  print("$values");
                },
                validationTypes: const [
                  TFValidationType.required,
                ],
              ),
              const SizedBox(height: 20),
              TFRadioGroup<String>(
                title: "Gender",
                initialValue: "male",
                items: [
                  TFOptionItem<String>(title: "Male", value: "male"),
                  TFOptionItem<String>(title: "Female", value: "female"),
                  TFOptionItem<String>(title: "Other", value: "other"),
                ],
                onChanged: (selectedItem) {
                  print("$selectedItem");
                },
                validationTypes: const [
                  TFValidationType.requiredIfHas,
                ],
                relatedController: nicknameController,
              ),
              const SizedBox(height: 40),
              ElevatedButton(
                onPressed: () {
                  _personalFormKey.currentState!.validate();
                },
                child: const Text('Submit'),
              ),
            ],
          ),
        ),
      ),
    );
  }

  Widget _buildAddressesTab() {
    return TFForm(
      key: _addressesFormKey,
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            TFTextField(
              title: "Type",
              controller: addressTypeController,
              validationTypes: const [],
            ),
            const SizedBox(height: 10),
            TFTextField(
              title: "Address 1",
              controller: address1Controller,
              validationTypes: const [
                TFValidationType.required,
              ],
            ),
            const SizedBox(height: 10),
            TFTextField(
              title: "Address 2",
              controller: address2Controller,
              validationTypes: const [],
            ),
            const SizedBox(height: 10),
            ElevatedButton(
              onPressed: () {
                _addressesFormKey.currentState!.validate();
              },
              child: const Text('Submit'),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildPSecurityTab() {
    return TFForm(
      key: _securityFormKey,
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            TFTextField(
              title: "New password",
              controller: passwordController,
              validationTypes: const [
                TFValidationType.required,
                TFValidationType.password,
              ],
            ),
            const SizedBox(height: 10),
            TFTextField(
              title: "Confirm",
              controller: confirmPasswordController,
              relatedController: passwordController,
              retypeInvalidMessage: "",
              validationTypes: const [
                TFValidationType.required,
                TFValidationType.retype,
              ],
            ),
            const SizedBox(height: 10),
            ElevatedButton(
              onPressed: () {
                _securityFormKey.currentState!.validate();
              },
              child: const Text('Submit'),
            ),
          ],
        ),
      ),
    );
  }
}