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Merge pull request #3 from Iconica-Development/feature/scroll_direction

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Feature/scroll direction
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Gorter-dev 2022-10-12 12:19:06 +02:00 committed by GitHub
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5 changed files with 92 additions and 38 deletions
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6
CHANGELOG.md
View file

@ -1,3 +1,9 @@
## 0.0.1 - September 29th 2022
- Initial release
## 0.0.2 - October 12th 2022
- Added a multi line plain text input widget
- Ability to set the scrolldirection of the pageview
- Ability to set the scrollphysics of the pages' scrollview.

16
README.md
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@ -24,13 +24,15 @@ Flutter Form has two paramaters: options and formController. Each of these param
Options:
| Parameter | Explaination |
| ---------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| checkPage | If this is set the form will feature a checkpage at the end so the end user can verify and alter his answers. |
| nextButton | The button which is put in the stack of the Form. An onTap has to be implemented and should call to the FormController. Standard call is autoNextStep(). |
| backButton | Same as the nextButton. A widget that is put in the stack of the Form. An onTap has to be implemented and should call to the FormController. Standard call is previousStep(). |
| onFinised | The callback that will be called when the last page is finished. If checkPage is enabled this will call after the checkPage is passed. |
| onNext | The callback that is called when the user finishes a page. PageNumber is also provided. |
| Parameter | Explaination |
| --------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| checkPage | If this is set the form will feature a checkpage at the end so the end user can verify and alter his answers. |
| nextButton | The button which is put in the stack of the Form. An onTap has to be implemented and should call to the FormController. Standard call is autoNextStep(). |
| backButton | Same as the nextButton. A widget that is put in the stack of the Form. An onTap has to be implemented and should call to the FormController. Standard call is previousStep(). |
| onFinised | The callback that will be called when the last page is finished. If checkPage is enabled this will call after the checkPage is passed. |
| onNext | The callback that is called when the user finishes a page. PageNumber is also provided. |
| scrollDirection | The abilty to set the scroll direction of the forms .pageview |
| scrollPhysics | The ability to set the scroll physics of scroll views in each form page. |
FormController:

8
lib/src/form.dart
View file

@ -229,6 +229,7 @@ class _FlutterFormState extends ConsumerState<FlutterForm> {
return Stack(
children: [
PageView(
scrollDirection: _formController._options.scrollDirection,
controller: _formController.getPageController(),
physics: const NeverScrollableScrollPhysics(),
children: [
@ -238,6 +239,8 @@ class _FlutterFormState extends ConsumerState<FlutterForm> {
child: fs.FormState(
formController: _formController.getFormPageControllers()[i],
child: CustomScrollView(
physics: _formController._options.scrollPhysics ??
const ClampingScrollPhysics(),
slivers: [
SliverFillRemaining(
hasScrollBody: false,
@ -255,6 +258,8 @@ class _FlutterFormState extends ConsumerState<FlutterForm> {
widget.options.checkPage!.title!,
Expanded(
child: CustomScrollView(
physics: _formController._options.scrollPhysics ??
const ClampingScrollPhysics(),
slivers: [
SliverFillRemaining(
hasScrollBody: false,
@ -504,6 +509,9 @@ class FlutterFormController extends ChangeNotifier {
}
Future<void> nextStep() async {
_options.onNext(
_currentStep, _formPageControllers[_currentStep].getAllValues());
_currentStep += 1;
if (_currentStep >= _options.pages.length && _options.checkPage != null) {

92
lib/src/widgets/input/input_types/input_plain_text.dart
View file

@ -12,8 +12,19 @@ class FlutterFormInputPlainText extends FlutterFormInputWidget {
Key? key,
required FlutterFormInputController controller,
Widget? label,
this.decoration,
this.textAlignVertical,
this.expands = false,
this.maxLines,
this.maxLength,
}) : super(key: key, controller: controller, label: label);
final InputDecoration? decoration;
final TextAlignVertical? textAlignVertical;
final bool expands;
final int? maxLines;
final int? maxLength;
@override
Widget build(BuildContext context, WidgetRef ref) {
String Function(String, {List<String>? params}) _ =
@ -21,54 +32,73 @@ class FlutterFormInputPlainText extends FlutterFormInputWidget {
super.registerController(context);
InputDecoration inputDecoration = decoration ??
InputDecoration(
label: label ?? const Text("Plain text"),
);
return TextFormField(
initialValue: controller.value,
onSaved: (value) => controller.onSaved(value),
validator: (value) => controller.onValidate(value, _),
decoration: InputDecoration(
label: label ?? const Text("Plain text"),
),
decoration: inputDecoration,
textAlignVertical: textAlignVertical,
expands: expands,
maxLines: maxLines,
maxLength: maxLength,
);
}
}
/// Input for an plain text with extra styling used in a [FlutterForm].
/// Input for a multi line plain text field [FlutterForm].
///
/// Standard controller is [FlutterFormInputPlainTextController].
class FlutterFormInputPlainTextWhiteWithBorder extends FlutterFormInputWidget {
const FlutterFormInputPlainTextWhiteWithBorder({
///
/// Hint can be set to set a hint inside the field.
///
/// MaxCharacters can be set to set a maximum amount of characters.
class FlutterFormInputMultiLine extends StatelessWidget {
const FlutterFormInputMultiLine({
Key? key,
required FlutterFormInputController controller,
Widget? label,
required this.controller,
this.label,
this.hint,
}) : super(key: key, controller: controller, label: label);
this.maxCharacters,
}) : super(key: key);
final FlutterFormInputController controller;
final Widget? label;
final String? hint;
final int? maxCharacters;
@override
Widget build(BuildContext context, WidgetRef ref) {
String Function(String, {List<String>? params}) _ =
getTranslator(context, ref);
super.registerController(context);
return TextFormField(
initialValue: controller.value,
onSaved: (value) => controller.onSaved(value),
validator: (value) => controller.onValidate(value, _),
decoration: InputDecoration(
hintText: hint,
floatingLabelBehavior: FloatingLabelBehavior.never,
isDense: true,
border: const OutlineInputBorder(
borderSide: BorderSide(color: Color(0xFF979797)),
Widget build(BuildContext context) {
return Column(
children: [
Expanded(
child: FlutterFormInputPlainText(
label: label,
controller: controller,
textAlignVertical: TextAlignVertical.top,
expands: true,
maxLines: null,
maxLength: maxCharacters,
decoration: InputDecoration(
hintText: hint,
floatingLabelBehavior: FloatingLabelBehavior.never,
isDense: true,
border: const OutlineInputBorder(
borderSide: BorderSide(color: Color(0xFF979797)),
),
focusedBorder: const OutlineInputBorder(
borderSide: BorderSide(color: Color(0xFF979797)),
),
filled: true,
),
),
),
focusedBorder: const OutlineInputBorder(
borderSide: BorderSide(color: Color(0xFF979797)),
),
fillColor: Colors.white,
filled: true,
),
],
);
}
}

8
lib/utils/form.dart
View file

@ -14,6 +14,10 @@ import 'package:flutter/material.dart';
/// [onFinished] and [onNext] are both callbacks which give the users results.
/// [onNext] is called when the user goes to the next page.
/// [onFinished] is called when the form is finished. When checkpage is set [onFinished] is called when the checkpage is finished.
///
/// [scrollDirection] can be set to change the Axis on which the pageview slides. Defaults to horizontal.
///
/// [scrollPhysics] can be set to set the scroll phyisics of the scroll views in each page. Default to [ClampingScrollPhysics].
class FlutterFormOptions {
final List<FlutterFormPage> pages;
@ -23,6 +27,8 @@ class FlutterFormOptions {
backButton;
final void Function(Map<int, Map<String, dynamic>>) onFinished;
final void Function(int pageNumber, Map<String, dynamic>) onNext;
final Axis scrollDirection;
final ScrollPhysics? scrollPhysics;
const FlutterFormOptions({
required this.pages,
@ -31,6 +37,8 @@ class FlutterFormOptions {
this.backButton,
required this.onFinished,
required this.onNext,
this.scrollDirection = Axis.horizontal,
this.scrollPhysics,
});
}