Add Widgetbook setup with theme configuration, analysis options, and initial component use cases
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Emily Pauli
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34
widgetbook/lib/icon_button_m3e/INDEX-icon_button_m3e.md
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widgetbook/lib/icon_button_m3e/INDEX-icon_button_m3e.md
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# Widgetbook Index — icon_button_m3e
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This index summarizes all Widgetbook use cases implemented for the `icon_button_m3e` package.
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- Package path: `packages/icon_button_m3e`
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- Component inventory:
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- IconButtonM3E
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## IconButtonM3E — Variants
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| Variant name | Description |
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|----------------------|-------------|
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| default | Baseline interactive demo with knobs for variant, size, shape, width, tooltip, selected, feedback, and badge. |
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| disabled | Disabled state across variants/sizes. |
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| standard | Visual style preset: standard. |
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| filled | Visual style preset: filled. |
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| tonal | Visual style preset: tonal. |
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| outlined | Visual style preset: outlined. |
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| sizes | Shows all sizes (xs/sm/md/lg/xl) for the selected style/shape/width. |
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| with_badge | Demonstrates numeric badges via knob (0 shows dot). |
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| with_badge_string | Demonstrates string badges such as "NEW". |
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| badge_edge_cases | Boundary cases: dot (0), small (1), large (99), very large (clamped). |
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| with_tooltip | Tooltip demo, including long tooltip text toggle. |
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| shapes | Round vs square shapes. |
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| widths | Narrow, default, wide widths (disabled for comparison). |
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| selected | Toggle selected state with alternate selectedIcon. |
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| focused | Autofocused control for focus visuals. |
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| error_badge_type | Error case: invalid `badgeValue` type (asserts in debug). |
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## Notes
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- Themes are provided globally by the Widgetbook app; use cases do not configure themes.
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- Knobs are used for critical and visual parameters following `plan/guide.md`.
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- Callbacks log informative messages with `debugPrint` to aid interactive testing.
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- Complex objects use sensible defaults and include TODO notes when applicable.
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516
widgetbook/lib/icon_button_m3e/icon_button_m3e_usecases.dart
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516
widgetbook/lib/icon_button_m3e/icon_button_m3e_usecases.dart
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// ignore_for_file: depend_on_referenced_packages
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import 'package:flutter/material.dart';
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import 'package:icon_button_m3e/icon_button_m3e.dart';
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import 'package:widgetbook/widgetbook.dart';
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import 'package:widgetbook_annotation/widgetbook_annotation.dart';
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// GENERATED USE CASES for IconButtonM3E per plan/guide.md
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// Notes:
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// - Themes are provided globally by the Widgetbook app.
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// - Use knobs for critical and visual params; callbacks print helpful messages.
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// - Complex objects get meaningful defaults with TODOs.
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@UseCase(name: 'default', type: IconButtonM3E)
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Widget buildIconButtonM3EUseCase(BuildContext context) {
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final bool isToggle = context.knobs.boolean(
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label: 'is toggle (provides selected state)',
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initialValue: true,
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);
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final bool selected = isToggle
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? context.knobs.boolean(label: 'isSelected', initialValue: false)
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: false;
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final IconButtonM3EVariant variant = context.knobs.object.dropdown(
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label: 'variant',
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initialOption: IconButtonM3EVariant.standard,
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options: IconButtonM3EVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3ESize size = context.knobs.object.dropdown(
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label: 'size',
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initialOption: IconButtonM3ESize.sm,
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options: IconButtonM3ESize.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EShapeVariant shape = context.knobs.object.dropdown(
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label: 'shape',
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initialOption: IconButtonM3EShapeVariant.round,
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options: IconButtonM3EShapeVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EWidth width = context.knobs.object.dropdown(
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label: 'width',
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initialOption: IconButtonM3EWidth.defaultWidth,
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options: IconButtonM3EWidth.values,
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labelBuilder: (v) => v.name,
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);
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final String? tooltip = context.knobs.stringOrNull(
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label: 'tooltip',
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initialValue: 'Favorite',
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);
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final bool enableFeedback = context.knobs.boolean(
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label: 'enableFeedback',
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initialValue: true,
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);
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final bool showBadge = context.knobs.boolean(
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label: 'show badge',
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initialValue: false,
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);
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final bool badgeIsNumber = context.knobs.boolean(
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label: 'badge is number (off = string)',
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initialValue: true,
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);
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final Object? badgeValue = showBadge
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? (badgeIsNumber
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? context.knobs.int.slider(
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label: 'badge count',
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initialValue: 1,
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min: 0,
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max: 999,
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divisions: 30,
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)
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: context.knobs.string(label: 'badge label', initialValue: 'NEW'))
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: null;
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return Center(
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child: IconButtonM3E(
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icon: const Icon(Icons.favorite_border),
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selectedIcon: const Icon(Icons.favorite),
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onPressed: () => debugPrint('IconButtonM3E pressed'),
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isSelected: isToggle ? selected : null,
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tooltip: tooltip,
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enableFeedback: enableFeedback,
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variant: variant,
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size: size,
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shape: shape,
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width: width,
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badgeValue: badgeValue,
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),
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);
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}
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@UseCase(name: 'disabled', type: IconButtonM3E)
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Widget buildIconButtonM3EDisabledUseCase(BuildContext context) {
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final IconButtonM3EVariant variant = context.knobs.object.dropdown(
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label: 'variant',
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initialOption: IconButtonM3EVariant.standard,
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options: IconButtonM3EVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3ESize size = context.knobs.object.dropdown(
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label: 'size',
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initialOption: IconButtonM3ESize.sm,
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options: IconButtonM3ESize.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EShapeVariant shape = context.knobs.object.dropdown(
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label: 'shape',
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initialOption: IconButtonM3EShapeVariant.round,
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options: IconButtonM3EShapeVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EWidth width = context.knobs.object.dropdown(
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label: 'width',
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initialOption: IconButtonM3EWidth.defaultWidth,
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options: IconButtonM3EWidth.values,
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labelBuilder: (v) => v.name,
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);
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return Center(
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child: IconButtonM3E(
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icon: const Icon(Icons.volume_up),
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selectedIcon: const Icon(Icons.volume_off),
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onPressed: null, // disabled state
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variant: variant,
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size: size,
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shape: shape,
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width: width,
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tooltip: 'Disabled button',
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),
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);
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}
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@UseCase(name: 'standard', type: IconButtonM3E)
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Widget buildIconButtonM3EStandardUseCase(BuildContext context) {
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return _buildStyleDemo(context, IconButtonM3EVariant.standard);
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}
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@UseCase(name: 'filled', type: IconButtonM3E)
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Widget buildIconButtonM3EFilledUseCase(BuildContext context) {
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return _buildStyleDemo(context, IconButtonM3EVariant.filled);
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}
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@UseCase(name: 'tonal', type: IconButtonM3E)
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Widget buildIconButtonM3ETonalUseCase(BuildContext context) {
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return _buildStyleDemo(context, IconButtonM3EVariant.tonal);
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}
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@UseCase(name: 'outlined', type: IconButtonM3E)
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Widget buildIconButtonM3EOutlinedUseCase(BuildContext context) {
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return _buildStyleDemo(context, IconButtonM3EVariant.outlined);
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}
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Widget _buildStyleDemo(BuildContext context, IconButtonM3EVariant variant) {
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final IconButtonM3ESize size = context.knobs.object.dropdown(
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label: 'size',
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initialOption: IconButtonM3ESize.sm,
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options: IconButtonM3ESize.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EShapeVariant shape = context.knobs.object.dropdown(
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label: 'shape',
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initialOption: IconButtonM3EShapeVariant.round,
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options: IconButtonM3EShapeVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EWidth width = context.knobs.object.dropdown(
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label: 'width',
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initialOption: IconButtonM3EWidth.defaultWidth,
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options: IconButtonM3EWidth.values,
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labelBuilder: (v) => v.name,
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);
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final bool isSelected = context.knobs.boolean(
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label: 'isSelected (toggle) ',
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initialValue: false,
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);
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final String iconChoice = context.knobs.object.dropdown(
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label: 'icon',
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initialOption: 'favorite',
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options: const ['favorite', 'alarm', 'share', 'settings'],
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labelBuilder: (s) => s,
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);
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IconData data;
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switch (iconChoice) {
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case 'alarm':
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data = Icons.alarm;
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break;
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case 'share':
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data = Icons.share;
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break;
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case 'settings':
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data = Icons.settings;
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break;
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default:
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data = isSelected ? Icons.favorite : Icons.favorite_border;
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}
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return Center(
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child: IconButtonM3E(
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icon: Icon(data),
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selectedIcon: const Icon(Icons.check),
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isSelected: isSelected,
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onPressed: () => debugPrint('Pressed style=$variant size=$size'),
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variant: variant,
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size: size,
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shape: shape,
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width: width,
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tooltip: 'Icon: $iconChoice',
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),
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);
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}
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@UseCase(name: 'sizes', type: IconButtonM3E)
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Widget buildIconButtonM3ESizesUseCase(BuildContext context) {
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final IconButtonM3EVariant variant = context.knobs.object.dropdown(
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label: 'variant',
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initialOption: IconButtonM3EVariant.standard,
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options: IconButtonM3EVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EShapeVariant shape = context.knobs.object.dropdown(
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label: 'shape',
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initialOption: IconButtonM3EShapeVariant.round,
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options: IconButtonM3EShapeVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3EWidth width = context.knobs.object.dropdown(
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label: 'width',
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initialOption: IconButtonM3EWidth.defaultWidth,
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options: IconButtonM3EWidth.values,
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labelBuilder: (v) => v.name,
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);
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return Wrap(
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spacing: 16,
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runSpacing: 16,
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children: IconButtonM3ESize.values.map((s) {
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return IconButtonM3E(
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icon: const Icon(Icons.star_border),
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selectedIcon: const Icon(Icons.star),
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onPressed: () => debugPrint('Size $s pressed'),
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variant: variant,
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size: s,
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shape: shape,
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width: width,
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tooltip: 'size: ${s.name}',
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);
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}).toList(),
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);
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}
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@UseCase(name: 'with_badge', type: IconButtonM3E)
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Widget buildIconButtonM3EWithBadgeUseCase(BuildContext context) {
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final int count = context.knobs.int.slider(
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label: 'count',
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initialValue: 1,
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min: 0,
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max: 999,
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divisions: 20,
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);
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final IconButtonM3EVariant variant = context.knobs.object.dropdown(
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label: 'variant',
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initialOption: IconButtonM3EVariant.standard,
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options: IconButtonM3EVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3ESize size = context.knobs.object.dropdown(
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label: 'size',
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initialOption: IconButtonM3ESize.sm,
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options: IconButtonM3ESize.values,
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labelBuilder: (v) => v.name,
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);
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return Center(
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child: IconButtonM3E(
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icon: const Icon(Icons.mail_outline),
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selectedIcon: const Icon(Icons.mail),
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onPressed: () => debugPrint('Mail pressed'),
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variant: variant,
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size: size,
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badgeValue: count,
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tooltip: 'Inbox',
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),
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);
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}
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@UseCase(name: 'with_badge_string', type: IconButtonM3E)
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Widget buildIconButtonM3EWithBadgeStringUseCase(BuildContext context) {
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final String label = context.knobs.string(
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label: 'badge label',
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initialValue: 'NEW',
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);
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final IconButtonM3EVariant variant = context.knobs.object.dropdown(
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label: 'variant',
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initialOption: IconButtonM3EVariant.filled,
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options: IconButtonM3EVariant.values,
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labelBuilder: (v) => v.name,
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);
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return Center(
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child: IconButtonM3E(
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icon: const Icon(Icons.shopping_bag_outlined),
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selectedIcon: const Icon(Icons.shopping_bag),
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onPressed: () => debugPrint('Bag pressed'),
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variant: variant,
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badgeValue: label,
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tooltip: 'Cart',
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),
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);
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}
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@UseCase(name: 'badge_edge_cases', type: IconButtonM3E)
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Widget buildIconButtonM3EBadgeEdgeCasesUseCase(BuildContext context) {
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return Wrap(
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spacing: 16,
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runSpacing: 16,
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children: const [
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IconButtonM3E(
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icon: Icon(Icons.notifications_none),
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badgeValue: 0, // dot badge
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tooltip: '0 = dot',
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),
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IconButtonM3E(
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icon: Icon(Icons.notifications_none),
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badgeValue: 1,
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tooltip: '1',
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),
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IconButtonM3E(
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icon: Icon(Icons.notifications_none),
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badgeValue: 99,
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tooltip: '99',
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),
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IconButtonM3E(
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icon: Icon(Icons.notifications_none),
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badgeValue: 999999, // clamped
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tooltip: 'big number',
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),
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],
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);
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}
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@UseCase(name: 'with_tooltip', type: IconButtonM3E)
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Widget buildIconButtonM3EWithTooltipUseCase(BuildContext context) {
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final String text = context.knobs.string(
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label: 'tooltip',
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initialValue: 'Open menu',
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);
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final bool long = context.knobs.boolean(
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label: 'use long tooltip',
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initialValue: false,
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);
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final String value = long
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? 'This is a very long tooltip that demonstrates how the control behaves with extended descriptive text. '
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'Try hovering or long-pressing to read the entire message.'
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: text;
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return Center(
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child: IconButtonM3E(
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icon: const Icon(Icons.more_vert),
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onPressed: () => debugPrint('More pressed'),
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tooltip: value,
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),
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);
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}
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@UseCase(name: 'shapes', type: IconButtonM3E)
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Widget buildIconButtonM3EShapesUseCase(BuildContext context) {
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final IconButtonM3EVariant variant = context.knobs.object.dropdown(
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label: 'variant',
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initialOption: IconButtonM3EVariant.standard,
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options: IconButtonM3EVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3ESize size = context.knobs.object.dropdown(
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label: 'size',
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initialOption: IconButtonM3ESize.sm,
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options: IconButtonM3ESize.values,
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labelBuilder: (v) => v.name,
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);
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return Wrap(
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spacing: 16,
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children: [
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IconButtonM3E(
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icon: const Icon(Icons.crop_5_4),
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onPressed: () {},
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variant: variant,
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size: size,
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shape: IconButtonM3EShapeVariant.round,
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tooltip: 'round',
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),
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IconButtonM3E(
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icon: const Icon(Icons.crop_square),
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onPressed: () {},
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variant: variant,
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size: size,
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shape: IconButtonM3EShapeVariant.square,
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tooltip: 'square',
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),
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],
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);
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}
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@UseCase(name: 'widths', type: IconButtonM3E)
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Widget buildIconButtonM3EWidthsUseCase(BuildContext context) {
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final IconButtonM3EVariant variant = context.knobs.object.dropdown(
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label: 'variant',
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initialOption: IconButtonM3EVariant.standard,
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options: IconButtonM3EVariant.values,
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labelBuilder: (v) => v.name,
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);
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final IconButtonM3ESize size = context.knobs.object.dropdown(
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label: 'size',
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initialOption: IconButtonM3ESize.sm,
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options: IconButtonM3ESize.values,
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labelBuilder: (v) => v.name,
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);
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return Wrap(
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spacing: 16,
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children: const [
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IconButtonM3E(
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icon: Icon(Icons.aspect_ratio),
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onPressed: null,
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width: IconButtonM3EWidth.narrow,
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tooltip: 'narrow (disabled) ',
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),
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IconButtonM3E(
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icon: Icon(Icons.aspect_ratio),
|
||||
onPressed: null,
|
||||
width: IconButtonM3EWidth.defaultWidth,
|
||||
tooltip: 'default (disabled)',
|
||||
),
|
||||
IconButtonM3E(
|
||||
icon: Icon(Icons.aspect_ratio),
|
||||
onPressed: null,
|
||||
width: IconButtonM3EWidth.wide,
|
||||
tooltip: 'wide (disabled)',
|
||||
),
|
||||
],
|
||||
);
|
||||
}
|
||||
|
||||
@UseCase(name: 'selected', type: IconButtonM3E)
|
||||
Widget buildIconButtonM3ESelectedUseCase(BuildContext context) {
|
||||
final IconButtonM3EVariant variant = context.knobs.object.dropdown(
|
||||
label: 'variant',
|
||||
initialOption: IconButtonM3EVariant.standard,
|
||||
options: IconButtonM3EVariant.values,
|
||||
labelBuilder: (v) => v.name,
|
||||
);
|
||||
final IconButtonM3ESize size = context.knobs.object.dropdown(
|
||||
label: 'size',
|
||||
initialOption: IconButtonM3ESize.sm,
|
||||
options: IconButtonM3ESize.values,
|
||||
labelBuilder: (v) => v.name,
|
||||
);
|
||||
|
||||
return Center(
|
||||
child: IconButtonM3E(
|
||||
icon: const Icon(Icons.radio_button_unchecked),
|
||||
selectedIcon: const Icon(Icons.radio_button_checked),
|
||||
isSelected: true,
|
||||
onPressed: () => debugPrint('Selected toggled'),
|
||||
variant: variant,
|
||||
size: size,
|
||||
tooltip: 'Selected = true',
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
@UseCase(name: 'focused', type: IconButtonM3E)
|
||||
Widget buildIconButtonM3EFocusedUseCase(BuildContext context) {
|
||||
final IconButtonM3EVariant variant = context.knobs.object.dropdown(
|
||||
label: 'variant',
|
||||
initialOption: IconButtonM3EVariant.standard,
|
||||
options: IconButtonM3EVariant.values,
|
||||
labelBuilder: (v) => v.name,
|
||||
);
|
||||
final IconButtonM3ESize size = context.knobs.object.dropdown(
|
||||
label: 'size',
|
||||
initialOption: IconButtonM3ESize.sm,
|
||||
options: IconButtonM3ESize.values,
|
||||
labelBuilder: (v) => v.name,
|
||||
);
|
||||
|
||||
return Center(
|
||||
child: Focus(
|
||||
autofocus: true,
|
||||
child: IconButtonM3E(
|
||||
icon: const Icon(Icons.center_focus_strong),
|
||||
onPressed: () => debugPrint('Focused pressed'),
|
||||
variant: variant,
|
||||
size: size,
|
||||
tooltip: 'Autofocused control',
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
@UseCase(name: 'error_badge_type', type: IconButtonM3E)
|
||||
Widget buildIconButtonM3EErrorBadgeTypeUseCase(BuildContext context) {
|
||||
// This intentionally passes an unsupported type to badgeValue to demonstrate
|
||||
// assertion behavior in debug mode. In release/profile, this simply omits the badge.
|
||||
// TODO: Consider exposing a strongly-typed API for badges to avoid runtime asserts.
|
||||
final Object invalid = const [1, 2, 3];
|
||||
return Center(
|
||||
child: IconButtonM3E(
|
||||
icon: const Icon(Icons.error_outline),
|
||||
onPressed: () => debugPrint('Pressed error_badge_type case'),
|
||||
badgeValue: invalid, // will assert in debug
|
||||
tooltip: 'Invalid badge value (List)',
|
||||
),
|
||||
);
|
||||
}
|
||||
75
widgetbook/lib/icon_button_m3e/icon_button_usecase.dart
Normal file
75
widgetbook/lib/icon_button_m3e/icon_button_usecase.dart
Normal file
|
|
@ -0,0 +1,75 @@
|
|||
import 'package:flutter/material.dart';
|
||||
import 'package:m3e_collection/m3e_collection.dart';
|
||||
import 'package:widgetbook/widgetbook.dart';
|
||||
|
||||
Widget _buildIconButtonDemo(
|
||||
BuildContext context, {
|
||||
required IconButtonM3EVariant variant,
|
||||
}) {
|
||||
final size = context.knobs.object.dropdown<IconButtonM3ESize>(
|
||||
label: 'size',
|
||||
initialOption: IconButtonM3ESize.md,
|
||||
options: IconButtonM3ESize.values,
|
||||
labelBuilder: (v) => v.name,
|
||||
);
|
||||
final shape = context.knobs.object.dropdown<IconButtonM3EShapeVariant>(
|
||||
label: 'shape',
|
||||
initialOption: IconButtonM3EShapeVariant.round,
|
||||
options: IconButtonM3EShapeVariant.values,
|
||||
labelBuilder: (v) => v.name,
|
||||
);
|
||||
final width = context.knobs.object.dropdown<IconButtonM3EWidth>(
|
||||
label: 'width',
|
||||
initialOption: IconButtonM3EWidth.defaultWidth,
|
||||
options: IconButtonM3EWidth.values,
|
||||
labelBuilder: (v) => v.name,
|
||||
);
|
||||
final isSelected =
|
||||
context.knobs.boolean(label: 'selected', initialValue: false);
|
||||
final tooltip =
|
||||
context.knobs.string(label: 'tooltip', initialValue: 'Favorite');
|
||||
|
||||
final badgeMode = context.knobs.object.dropdown<String>(
|
||||
label: 'badge',
|
||||
initialOption: 'none',
|
||||
options: const ['none', 'dot', 'count', 'text'],
|
||||
labelBuilder: (v) => v,
|
||||
);
|
||||
|
||||
Object? badgeValue;
|
||||
switch (badgeMode) {
|
||||
case 'dot':
|
||||
badgeValue = 0; // shows dot per component logic
|
||||
break;
|
||||
case 'count':
|
||||
badgeValue = context.knobs.int.slider(
|
||||
label: 'count',
|
||||
initialValue: 3,
|
||||
min: 0,
|
||||
max: 120,
|
||||
divisions: 120,
|
||||
);
|
||||
break;
|
||||
case 'text':
|
||||
badgeValue =
|
||||
context.knobs.string(label: 'badgeText', initialValue: 'NEW');
|
||||
break;
|
||||
default:
|
||||
badgeValue = null;
|
||||
}
|
||||
|
||||
return Center(
|
||||
child: IconButtonM3E(
|
||||
icon: const Icon(Icons.favorite_border),
|
||||
selectedIcon: const Icon(Icons.favorite),
|
||||
isSelected: isSelected,
|
||||
tooltip: tooltip,
|
||||
variant: variant,
|
||||
size: size,
|
||||
shape: shape,
|
||||
width: width,
|
||||
onPressed: () => print('IconButton pressed: variant=$variant'),
|
||||
badgeValue: badgeValue,
|
||||
),
|
||||
);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue