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feat: multiple select dropdown (#198)
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| Original file line number | Diff line number | Diff line change |
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@@ -26,4 +26,4 @@ SPEC CHECKSUMS: | |
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| PODFILE CHECKSUM: 70d9d25280d0dd177a5f637cdb0f0b0b12c6a189 | ||
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| COCOAPODS: 1.12.1 | ||
| COCOAPODS: 1.14.3 | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,7 +1,8 @@ | ||
| library design_system; | ||
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| export 'theme/custom_colors.dart'; | ||
| export 'theme/app_text_styles.dart'; | ||
| export 'extensions/context_extensions.dart'; | ||
| export 'theme/app_dimensions.dart'; | ||
| export 'theme/app_text_styles.dart'; | ||
| export 'theme/app_theme.dart'; | ||
| export 'extensions/context_extensions.dart'; | ||
| export 'theme/custom_colors.dart'; | ||
| export 'widgets/app_select_dropdown.dart'; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,167 @@ | ||
| import 'package:design_system/design_system.dart'; | ||
| import 'package:design_system/extensions/color_extensions.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'package:flutter_screenutil/flutter_screenutil.dart'; | ||
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| typedef MenuItems<T> = ({T value, String label}); | ||
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| const _kAnimationDuration = Duration(milliseconds: 200); | ||
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| class AppSelectDropdown<T> extends StatefulWidget { | ||
| final double? width; | ||
| final String label; | ||
| final List<MenuItems<T>> items; | ||
| final Function(T value)? onChanged; | ||
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| const AppSelectDropdown({ | ||
| required this.items, | ||
| required this.label, | ||
| this.onChanged, | ||
| this.width, | ||
| super.key, | ||
| }); | ||
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| @override | ||
| State<AppSelectDropdown<T>> createState() => _AppSelectDropdownState<T>(); | ||
| } | ||
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| class _AppSelectDropdownState<T> extends State<AppSelectDropdown<T>> | ||
| with SingleTickerProviderStateMixin { | ||
| late final FocusNode _buttonFocusNode; | ||
| final MenuController _menuController = MenuController(); | ||
| final List<MenuItems<T>> _selectedValues = []; | ||
| late AnimationController _animationController; | ||
| static final Animatable<double> _easeInTween = | ||
| CurveTween(curve: Curves.easeIn); | ||
| static final Animatable<double> _halfTween = | ||
| Tween<double>(begin: 0.0, end: 0.5); | ||
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| // ignore: unused_field | ||
| late Animation<double> _iconTurns; | ||
| @override | ||
| void initState() { | ||
| _buttonFocusNode = FocusNode(debugLabel: 'Menu Button-${widget.label}'); | ||
| super.initState(); | ||
| _animationController = AnimationController( | ||
| duration: _kAnimationDuration, | ||
| vsync: this, | ||
| ); | ||
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| _iconTurns = _animationController.drive(_halfTween.chain(_easeInTween)); | ||
| } | ||
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| @override | ||
| void dispose() { | ||
| _buttonFocusNode.dispose(); | ||
| _animationController.dispose(); | ||
| super.dispose(); | ||
| } | ||
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| @override | ||
| Widget build(BuildContext context) => MenuAnchor( | ||
| childFocusNode: _buttonFocusNode, | ||
| menuChildren: widget.items | ||
| .map( | ||
| (elem) => CheckboxMenuButton( | ||
| closeOnActivate: false, | ||
| value: _selectedValues.contains(elem), | ||
| onChanged: (value) { | ||
| widget.onChanged?.call(elem.value); | ||
| setState(() { | ||
| if (value!) { | ||
| _selectedValues.add(elem); | ||
| } else { | ||
| _selectedValues.remove(elem); | ||
| } | ||
| }); | ||
| }, | ||
| child: Container( | ||
| width: _calculateWidth(), | ||
| constraints: BoxConstraints( | ||
| minWidth: 90.w, | ||
| ), | ||
| child: Text( | ||
| elem.label, | ||
| style: context.theme.textStyles.bodyMedium, | ||
| overflow: TextOverflow.ellipsis, | ||
| maxLines: 1, | ||
| ), | ||
| ), | ||
| ), | ||
| ) | ||
| .toList(), | ||
| controller: _menuController, | ||
| builder: ( | ||
| BuildContext context, | ||
| MenuController controller, | ||
| Widget? child, | ||
| ) => | ||
| Container( | ||
| constraints: BoxConstraints( | ||
| minWidth: 90.w, | ||
| maxWidth: 1.sw, | ||
| ), | ||
| decoration: BoxDecoration( | ||
| color: context.theme.colorScheme.surface.getShade(100), | ||
| borderRadius: BorderRadius.circular(4.r), | ||
| border: Border.all( | ||
| color: context.theme.colorScheme.onSurface.getShade(200), | ||
| ), | ||
| ), | ||
| child: InkWell( | ||
| onTap: () { | ||
| if (controller.isOpen) { | ||
| controller.close(); | ||
| _animationController.reverse(); | ||
| } else { | ||
| controller.open(); | ||
| _animationController.forward(); | ||
| } | ||
| }, | ||
| child: Row( | ||
| mainAxisAlignment: MainAxisAlignment.spaceBetween, | ||
| mainAxisSize: MainAxisSize.min, | ||
| children: [ | ||
| Flexible( | ||
| child: Container( | ||
| width: widget.width ?? 1.sw, | ||
| padding: EdgeInsets.all(8.sp), | ||
| child: Text( | ||
| _selectedValues.isEmpty | ||
| ? widget.label | ||
| : _selectedValues.map((e) => e.label).join(', '), | ||
| overflow: TextOverflow.ellipsis, | ||
| maxLines: 1, | ||
| style: context.theme.textStyles.labelMedium, | ||
| ), | ||
| ), | ||
| ), | ||
| AnimatedBuilder( | ||
| animation: _animationController, | ||
| builder: (context, child) => Padding( | ||
| padding: EdgeInsets.all(8.sp), | ||
| child: RotationTransition( | ||
| turns: _iconTurns, | ||
| child: Icon( | ||
| Icons.expand_more, | ||
| color: context.theme.customColors.textColor, | ||
| ), | ||
| ), | ||
| ), | ||
| ), | ||
| ], | ||
| ), | ||
| ), | ||
| ), | ||
| ); | ||
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| double _calculateWidth() { | ||
| final width = widget.width; | ||
| if (width == null) return 1.sw * .761; | ||
| if (width <= .3.sw) return width * .9; | ||
| if (width <= .5.sw) return width * .93; | ||
| if (width <= .8.sw) return width * .95; | ||
| if (width < 1.sw) return width * .8; | ||
| return width * .761; | ||
| } | ||
| } |
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