[DEV] Done with the Chip selector
This commit is contained in:
20
lib/Infrastructure/list_extensions.dart
Normal file
20
lib/Infrastructure/list_extensions.dart
Normal file
@@ -0,0 +1,20 @@
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extension ListExtension<E> on List<E> {
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bool containsAll(List<E> otherList) {
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List<bool> checks = [];
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//
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for (E thisElement in otherList) {
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checks.add(contains(thisElement));
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}
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return !checks.contains(false);
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}
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List<E> getUnique() {
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List<E> uniqueItems = [];
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for (E thisElement in this) {
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if (!uniqueItems.contains(thisElement)) {
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uniqueItems.add(thisElement);
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}
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}
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return uniqueItems;
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}
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}
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@@ -1,7 +1,8 @@
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//s2 Core Packages Imports
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import 'package:flutter/widgets.dart';
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import 'src/configuration.dart';
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import 'src/radio.selector.dart';
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import 'src/chip.selector.dart';
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import 'src/configuration.dart';
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class AstromicSelectors {
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//S1 -- Radio
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@@ -21,7 +22,7 @@ class AstromicSelectors {
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initialSelectedValue: initialSelectedValue,
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onChanged: onChanged,
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//
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configurations: configurations ?? const AstromicSelectorConfiguration(),
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configuration: configurations ?? const AstromicSelectorConfiguration(),
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//
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itemSpacing: itemSpacing ?? 8.0,
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//
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@@ -29,4 +30,37 @@ class AstromicSelectors {
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disabledItemBuilder: disabledItemBuilder,
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items: items,
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);
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//S1 -- Chip
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static Widget chip<T>({
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List<T>? initialSelectedValues,
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void Function(List<T> selectedItems)? onChanged,
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//
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AstromicSelectorConfiguration? configuration,
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//
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double? itemSpacing = 4,
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double? runSpacing = 8,
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double? clearSpacing = 4,
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//
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TextStyle? labelStyle,
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TextStyle? selectedLabelStyle,
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TextStyle? disabledLabelStyle,
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//
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required List<(T item, bool isEnabled)> items,
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required Widget Function(T item, {bool isSelected, VoidCallback? onTap, VoidCallback? onClearTapped}) itemBuilder,
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required Widget Function(T item) disabledItemBuilder,
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}) =>
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AstromicChipSelector(
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initialSelectedValues: initialSelectedValues,
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onChanged: onChanged,
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//
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configuration: configuration,
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//
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itemSpacing: itemSpacing,
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runSpacing: runSpacing,
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//
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items: items,
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itemBuilder: itemBuilder,
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disabledItemBuilder: disabledItemBuilder,
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);
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}
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@@ -0,0 +1,212 @@
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//SECTION - Imports
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//
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//s1 PACKAGES
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//---------------
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//s2 CORE
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import 'package:flutter/material.dart';
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//s2 3RD-PARTY
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//
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//s1 DEPENDENCIES
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//---------------
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//s2 SERVICES
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//s2 MODELS
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import '../../../Infrastructure/list_extensions.dart';
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import 'configuration.dart';
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//s2 MISC
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//!SECTION - Imports
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//
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//SECTION - Exports
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//!SECTION - Exports
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//
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class AstromicChipSelector<T> extends StatefulWidget {
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//SECTION - Widget Arguments
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//s1 -- Functionality
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final List<T>? initialSelectedValues;
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final Function(List<T> selectedItems)? onChanged;
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//s1 -- Configuration
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final AstromicSelectorConfiguration? configuration;
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//s1 -- Style
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final double? itemSpacing;
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final double? runSpacing;
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//
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//s1 -- Content
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final List<(T item, bool isEnabled)> items;
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//
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final Widget Function(T item, {bool isSelected, VoidCallback? onTap, VoidCallback? onClearTapped}) itemBuilder;
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final Widget Function(T item) disabledItemBuilder;
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//!SECTION
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//
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AstromicChipSelector({
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Key? key,
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//s1 -- Functionality
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this.initialSelectedValues,
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this.onChanged,
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//s1 -- Configuration
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this.configuration,
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//s1 -- Style
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this.itemSpacing = 8,
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this.runSpacing = 8,
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//s1 -- Content
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required this.items,
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required this.itemBuilder,
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required this.disabledItemBuilder,
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}) : assert(
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(configuration?.isNullable ?? true) || (initialSelectedValues != null && items.map((i) => i.$1).toList().containsAll(initialSelectedValues)),
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"Initial values are not all present in the items!",
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),
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super(
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key: key,
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);
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@override
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State<AstromicChipSelector<T>> createState() => _AstromicChipSelectorState<T>();
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}
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class _AstromicChipSelectorState<T> extends State<AstromicChipSelector<T>> {
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//
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//SECTION - State Variables
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//s1 --Controllers
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late ScrollController _scrollController;
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//s1 --Controllers
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//
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//s1 --State
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late AstromicSelectorConfiguration _configuration;
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late List<T> selectedItems;
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//s1 --State
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//
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//s1 --Constants
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//s1 --Constants
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//!SECTION
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@override
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void initState() {
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super.initState();
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//
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//SECTION - State Variables initializations & Listeners
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//s1 --Controllers & Listeners
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_scrollController = ScrollController();
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//s1 --Controllers & Listeners
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//
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//s1 --State
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_configuration = widget.configuration ?? const AstromicSelectorConfiguration();
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selectedItems = widget.initialSelectedValues ?? [];
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//s1 --State
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//
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//s1 --Late & Async Initializers
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//s1 --Late & Async Initializers
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//!SECTION
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}
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//SECTION - Stateless functions
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//!SECTION
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//SECTION - Action Callbacks
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_onTap(T value) {
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setState(() {
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if (selectedItems.contains(value)) {
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//---- if item selected
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selectedItems.remove(value);
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//---- !if item selected
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} else {
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//---- if item Not selected
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selectedItems.add(value);
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//---- !if item Not selected
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}
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});
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if (widget.onChanged != null) {
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widget.onChanged!(selectedItems);
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}
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}
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// ----
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_onTapClear(T value) {
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setState(() {
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if (selectedItems.contains(value)) {
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selectedItems.remove(value);
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}
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});
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if (widget.onChanged != null) {
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widget.onChanged!(selectedItems);
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}
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}
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//!SECTION
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@override
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Widget build(BuildContext context) {
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//SECTION - Build Setup
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//s1 -Values
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//s1 -Values
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//
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//s1 -Widgets
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List<Widget> baseChildren = widget.items.map((currentItem) {
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int currentIndex = widget.items.indexOf(currentItem);
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T? previousItem = currentIndex == 0 ? null : widget.items[widget.items.indexOf(currentItem) - 1].$1;
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T? nextItem = currentIndex == widget.items.length - 1 ? null : widget.items[widget.items.indexOf(currentItem) + 1].$1;
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bool isConsequent = _configuration.isConsequent;
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//
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bool isEnabled = currentItem.$2;
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bool isSelected = selectedItems.contains(currentItem);
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bool isPreviousItemSelected = selectedItems.contains(previousItem);
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bool isNextItemSelected = selectedItems.contains(nextItem);
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// ---
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bool canBeSelected = (isConsequent && isEnabled && !isSelected && selectedItems.length < (_configuration.maxSelectedItems) && (isPreviousItemSelected || currentIndex == 0)) ||
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(!isConsequent && isEnabled && !isSelected && selectedItems.length < (_configuration.maxSelectedItems));
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bool canbeUnselected = (isConsequent && isEnabled && isSelected && (!isNextItemSelected || currentIndex == widget.items.length - 1)) || (!isConsequent && isEnabled && isSelected);
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// ---
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bool tapable = (isSelected && canbeUnselected) || (!isSelected && canBeSelected);
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// ---
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bool canShowClear = _configuration.withClearButton && canbeUnselected;
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// ---
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//
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return isEnabled
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? widget.itemBuilder(
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currentItem.$1,
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isSelected: isSelected,
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onTap: tapable ? () => _onTap(currentItem.$1) : null,
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onClearTapped: canShowClear ? _onTapClear(currentItem.$1) : null,
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)
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: widget.disabledItemBuilder(currentItem.$1);
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}).toList();
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//s1 -Widgets
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//!SECTION
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//SECTION - Build Return
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return _configuration.isWrap
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? Wrap(
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spacing: widget.itemSpacing!,
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runSpacing: widget.runSpacing!,
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//
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alignment: _configuration.wrapMainAllignment,
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crossAxisAlignment: _configuration.wrapCrossAllignment,
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//
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children: baseChildren,
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)
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: GridView.builder(
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physics: const NeverScrollableScrollPhysics(),
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controller: _scrollController,
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shrinkWrap: true,
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padding: EdgeInsets.zero,
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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mainAxisExtent: _configuration.fixedRowHeight,
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// number of items per row
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crossAxisCount: widget.configuration?.crossAxisCount ?? 1,
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// vertical spacing between the items
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mainAxisSpacing: widget.runSpacing!,
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// the horizontal spacing between the items
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crossAxisSpacing: widget.itemSpacing!,
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),
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// number of items in your list
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itemCount: baseChildren.length,
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itemBuilder: (BuildContext context, int index) => baseChildren[index],
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);
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//!SECTION
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}
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@override
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void dispose() {
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//SECTION - Disposable variables
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//!SECTION
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super.dispose();
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}
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}
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@@ -5,20 +5,28 @@ class AstromicSelectorConfiguration {
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final Axis axis;
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final bool isNullable;
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//s1 Chip Specific
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final bool isWrap;
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final WrapAlignment wrapMainAllignment;
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final WrapCrossAlignment wrapCrossAllignment;
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final bool isConsequent;
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final bool withClearButton;
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final int maxSelectedItems;
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final int crossAxisCount;
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final double? fixedRowHeight;
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//s1 Radio Specific
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final bool withExpandedSpace;
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const AstromicSelectorConfiguration({
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this.axis = Axis.horizontal,
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this.isNullable = true,
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//
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this.isWrap = true,
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this.wrapMainAllignment = WrapAlignment.start,
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this.wrapCrossAllignment = WrapCrossAlignment.center,
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this.isConsequent = false,
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this.withClearButton = false,
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this.maxSelectedItems = 10000,
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this.crossAxisCount = 3,
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this.fixedRowHeight,
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//
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this.withExpandedSpace = false,
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});
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@@ -26,20 +34,28 @@ class AstromicSelectorConfiguration {
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AstromicSelectorConfiguration copyWith({
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Axis? axis,
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bool? isNullable,
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bool? isWrap,
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WrapAlignment? wrapMainAllignment,
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WrapCrossAlignment? wrapCrossAllignment,
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bool? isConsequent,
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bool? withClearButton,
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int? maxSelectedItems,
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int? crossAxisCount,
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bool? withExpandedSpace,
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double? fixedRowHeight,
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}) {
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return AstromicSelectorConfiguration(
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axis: axis ?? this.axis,
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isNullable: isNullable ?? this.isNullable,
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isWrap: isWrap ?? this.isWrap,
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wrapMainAllignment: wrapMainAllignment ?? this.wrapMainAllignment,
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wrapCrossAllignment: wrapCrossAllignment ?? this.wrapCrossAllignment,
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isConsequent: isConsequent ?? this.isConsequent,
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withClearButton: withClearButton ?? this.withClearButton,
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maxSelectedItems: maxSelectedItems ?? this.maxSelectedItems,
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crossAxisCount: crossAxisCount ?? this.crossAxisCount,
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withExpandedSpace: withExpandedSpace ?? this.withExpandedSpace,
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fixedRowHeight: fixedRowHeight ?? this.fixedRowHeight,
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);
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}
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}
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@@ -26,7 +26,7 @@ class AstromicRadioSelector<T> extends StatefulWidget {
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final T? initialSelectedValue;
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final Function(T selectedItem)? onChanged;
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//s1 -- Configuration
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final AstromicSelectorConfiguration configurations;
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final AstromicSelectorConfiguration configuration;
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//s1 -- Style
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final double itemSpacing;
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//s1 -- Content
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@@ -43,15 +43,15 @@ class AstromicRadioSelector<T> extends StatefulWidget {
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required this.items,
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this.onChanged,
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//s1 -- Configuration
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required this.configurations,
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required this.configuration,
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//s1 -- Style
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required this.itemSpacing,
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//s1 -- Content
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required this.itemBuilder,
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this.disabledItemBuilder,
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}) : assert(configurations.isNullable || initialSelectedValue != null, 'You need to supply an initial value if not nullable!'),
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}) : assert(configuration.isNullable || initialSelectedValue != null, 'You need to supply an initial value if not nullable!'),
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assert(
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configurations.isNullable ||
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configuration.isNullable ||
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(items
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.map(
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(e) => e.$1,
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@@ -135,10 +135,10 @@ class _AstromicRadioSelectorState<T> extends State<AstromicRadioSelector<T>> {
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bool isSelected = currentItem.$1 == selectedItem;
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//
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return !isEnabled && widget.disabledItemBuilder != null
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? widget.configurations.withExpandedSpace && widget.configurations.axis == Axis.horizontal
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? widget.configuration.withExpandedSpace && widget.configuration.axis == Axis.horizontal
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? Expanded(child: widget.disabledItemBuilder!(currentItem.$1))
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: widget.disabledItemBuilder!(currentItem.$1)
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: widget.configurations.withExpandedSpace && widget.configurations.axis == Axis.horizontal
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: widget.configuration.withExpandedSpace && widget.configuration.axis == Axis.horizontal
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? Expanded(child: widget.itemBuilder(currentItem.$1, onTap: isEnabled ? () => _onTap(currentItem.$1) : null, isSelected: isSelected))
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: widget.itemBuilder(currentItem.$1, onTap: isEnabled ? () => _onTap(currentItem.$1) : null, isSelected: isSelected);
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}).toList();
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@@ -149,7 +149,7 @@ class _AstromicRadioSelectorState<T> extends State<AstromicRadioSelector<T>> {
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return
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// widget.configurations.withExpandedSpace
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// ?
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widget.configurations.axis == Axis.horizontal
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widget.configuration.axis == Axis.horizontal
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? separatedRow(
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baseChildren,
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AstromicSpacing.hsb(widget.itemSpacing),
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@@ -157,7 +157,7 @@ class _AstromicRadioSelectorState<T> extends State<AstromicRadioSelector<T>> {
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: separatedColumn(
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baseChildren,
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AstromicSpacing.vsb(widget.itemSpacing),
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widget.configurations.withExpandedSpace,
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widget.configuration.withExpandedSpace,
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);
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// : Wrap(
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// direction: widget.configurations.axis,
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Reference in New Issue
Block a user