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318 lines
11 KiB
Dart
318 lines
11 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'template.dart';
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class IconButtonTemplate extends TokenTemplate {
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const IconButtonTemplate(this.tokenGroup, super.blockName, super.fileName, super.tokens, {
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super.colorSchemePrefix = '_colors.',
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});
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final String tokenGroup;
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String _backgroundColor() {
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switch (tokenGroup) {
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case 'md.comp.filled-icon-button':
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case 'md.comp.filled-tonal-icon-button':
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.disabled)) {
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return ${componentColor('$tokenGroup.disabled.container')};
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}
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if (states.contains(MaterialState.selected)) {
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return ${componentColor('$tokenGroup.selected.container')};
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}
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if (toggleable) { // toggleable but unselected case
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return ${componentColor('$tokenGroup.unselected.container')};
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}
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return ${componentColor('$tokenGroup.container')};
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})''';
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case 'md.comp.outlined-icon-button':
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.disabled)) {
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if (states.contains(MaterialState.selected)) {
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return ${componentColor('$tokenGroup.disabled.selected.container')};
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}
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return Colors.transparent;
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}
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if (states.contains(MaterialState.selected)) {
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return ${componentColor('$tokenGroup.selected.container')};
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}
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return Colors.transparent;
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})''';
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}
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return '''
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const MaterialStatePropertyAll<Color?>(Colors.transparent)''';
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}
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String _foregroundColor() {
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switch (tokenGroup) {
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case 'md.comp.filled-icon-button':
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case 'md.comp.filled-tonal-icon-button':
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.disabled)) {
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return ${componentColor('$tokenGroup.disabled.icon')};
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}
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if (states.contains(MaterialState.selected)) {
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return ${componentColor('$tokenGroup.toggle.selected.icon')};
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}
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if (toggleable) { // toggleable but unselected case
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return ${componentColor('$tokenGroup.toggle.unselected.icon')};
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}
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return ${componentColor('$tokenGroup.icon')};
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})''';
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case 'md.comp.outlined-icon-button':
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case 'md.comp.icon-button':
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.disabled)) {
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return ${componentColor('$tokenGroup.disabled.icon')};
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}
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if (states.contains(MaterialState.selected)) {
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return ${componentColor('$tokenGroup.selected.icon')};
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}
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return ${componentColor('$tokenGroup.unselected.icon')};
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})''';
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}
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return '''
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const MaterialStatePropertyAll<Color?>(Colors.transparent)''';
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}
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String _overlayColor() {
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switch (tokenGroup) {
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case 'md.comp.filled-icon-button':
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case 'md.comp.filled-tonal-icon-button':
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.selected)) {
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if (states.contains(MaterialState.hovered)) {
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return ${componentColor('$tokenGroup.toggle.selected.hover.state-layer')}.withOpacity(${opacity('$tokenGroup.hover.state-layer.opacity')});
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}
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if (states.contains(MaterialState.focused)) {
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return ${componentColor('$tokenGroup.toggle.selected.focus.state-layer')}.withOpacity(${opacity('$tokenGroup.focus.state-layer.opacity')});
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}
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if (states.contains(MaterialState.pressed)) {
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return ${componentColor('$tokenGroup.toggle.selected.pressed.state-layer')}.withOpacity(${opacity('$tokenGroup.pressed.state-layer.opacity')});
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}
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}
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if (toggleable) { // toggleable but unselected case
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if (states.contains(MaterialState.hovered)) {
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return ${componentColor('$tokenGroup.toggle.unselected.hover.state-layer')}.withOpacity(${opacity('$tokenGroup.hover.state-layer.opacity')});
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}
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if (states.contains(MaterialState.focused)) {
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return ${componentColor('$tokenGroup.toggle.unselected.focus.state-layer')}.withOpacity(${opacity('$tokenGroup.focus.state-layer.opacity')});
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}
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if (states.contains(MaterialState.pressed)) {
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return ${componentColor('$tokenGroup.toggle.unselected.pressed.state-layer')}.withOpacity(${opacity('$tokenGroup.pressed.state-layer.opacity')});
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}
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}
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if (states.contains(MaterialState.hovered)) {
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return ${componentColor('$tokenGroup.hover.state-layer')};
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}
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if (states.contains(MaterialState.focused)) {
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return ${componentColor('$tokenGroup.focus.state-layer')};
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}
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if (states.contains(MaterialState.pressed)) {
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return ${componentColor('$tokenGroup.pressed.state-layer')};
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}
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return Colors.transparent;
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})''';
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case 'md.comp.outlined-icon-button':
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.selected)) {
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if (states.contains(MaterialState.hovered)) {
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return ${componentColor('$tokenGroup.selected.hover.state-layer')}.withOpacity(${opacity('$tokenGroup.hover.state-layer.opacity')});
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}
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if (states.contains(MaterialState.focused)) {
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return ${componentColor('$tokenGroup.selected.focus.state-layer')}.withOpacity(${opacity('$tokenGroup.focus.state-layer.opacity')});
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}
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if (states.contains(MaterialState.pressed)) {
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return ${componentColor('$tokenGroup.selected.pressed.state-layer')}.withOpacity(${opacity('$tokenGroup.pressed.state-layer.opacity')});
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}
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}
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if (states.contains(MaterialState.hovered)) {
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return ${componentColor('$tokenGroup.unselected.hover.state-layer')}.withOpacity(${opacity('$tokenGroup.hover.state-layer.opacity')});
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}
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if (states.contains(MaterialState.focused)) {
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return ${componentColor('$tokenGroup.unselected.focus.state-layer')}.withOpacity(${opacity('$tokenGroup.focus.state-layer.opacity')});
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}
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if (states.contains(MaterialState.pressed)) {
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return ${componentColor('$tokenGroup.unselected.pressed.state-layer')}.withOpacity(${opacity('$tokenGroup.pressed.state-layer.opacity')});
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}
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return Colors.transparent;
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})''';
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case 'md.comp.icon-button':
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.selected)) {
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if (states.contains(MaterialState.hovered)) {
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return ${componentColor('$tokenGroup.selected.hover.state-layer')};
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}
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if (states.contains(MaterialState.focused)) {
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return ${componentColor('$tokenGroup.selected.focus.state-layer')};
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}
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if (states.contains(MaterialState.pressed)) {
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return ${componentColor('$tokenGroup.selected.pressed.state-layer')};
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}
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}
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if (states.contains(MaterialState.hovered)) {
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return ${componentColor('$tokenGroup.unselected.hover.state-layer')};
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}
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if (states.contains(MaterialState.focused)) {
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return ${componentColor('$tokenGroup.unselected.focus.state-layer')};
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}
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if (states.contains(MaterialState.pressed)) {
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return ${componentColor('$tokenGroup.unselected.pressed.state-layer')};
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}
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return Colors.transparent;
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})''';
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}
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return '''
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const MaterialStatePropertyAll<Color?>(Colors.transparent)''';
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}
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String _minimumSize() {
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if (tokens.containsKey('$tokenGroup.container.size')) {
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return '''
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const MaterialStatePropertyAll<Size>(Size(${tokens['$tokenGroup.container.size']}, ${tokens['$tokenGroup.container.size']}))''';
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} else {
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return '''
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const MaterialStatePropertyAll<Size>(Size(${tokens['$tokenGroup.state-layer.size']}, ${tokens['$tokenGroup.state-layer.size']}))''';
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}
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}
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String _shape() {
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if (tokens.containsKey('$tokenGroup.container.shape')) {
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return '''
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const MaterialStatePropertyAll<OutlinedBorder>(${shape("$tokenGroup.container", "")})''';
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} else {
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return '''
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const MaterialStatePropertyAll<OutlinedBorder>(${shape("$tokenGroup.state-layer", "")})''';
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}
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}
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String _side() {
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if (tokens.containsKey('$tokenGroup.unselected.outline.color')) {
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return '''
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.selected)) {
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return null;
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} else {
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if (states.contains(MaterialState.disabled)) {
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return BorderSide(color: ${componentColor('$tokenGroup.disabled.unselected.outline')});
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}
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return BorderSide(color: ${componentColor('$tokenGroup.unselected.outline')});
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}
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})''';
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}
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return ''' null''';
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}
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String _elevationColor(String token) {
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if (tokens.containsKey(token)) {
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return 'MaterialStatePropertyAll<Color>(${color(token)})';
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} else {
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return 'const MaterialStatePropertyAll<Color>(Colors.transparent)';
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}
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}
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@override
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String generate() => '''
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class _${blockName}DefaultsM3 extends ButtonStyle {
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_${blockName}DefaultsM3(this.context, this.toggleable)
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: super(
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animationDuration: kThemeChangeDuration,
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enableFeedback: true,
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alignment: Alignment.center,
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);
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final BuildContext context;
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final bool toggleable;
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late final ColorScheme _colors = Theme.of(context).colorScheme;
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// No default text style
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@override
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MaterialStateProperty<Color?>? get backgroundColor =>${_backgroundColor()};
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@override
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MaterialStateProperty<Color?>? get foregroundColor =>${_foregroundColor()};
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@override
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MaterialStateProperty<Color?>? get overlayColor =>${_overlayColor()};
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@override
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MaterialStateProperty<double>? get elevation =>
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const MaterialStatePropertyAll<double>(0.0);
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@override
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MaterialStateProperty<Color>? get shadowColor =>
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${_elevationColor("$tokenGroup.container.shadow-color")};
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@override
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MaterialStateProperty<Color>? get surfaceTintColor =>
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${_elevationColor("$tokenGroup.container.surface-tint-layer.color")};
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@override
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MaterialStateProperty<EdgeInsetsGeometry>? get padding =>
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const MaterialStatePropertyAll<EdgeInsetsGeometry>(EdgeInsets.all(8.0));
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@override
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MaterialStateProperty<Size>? get minimumSize =>${_minimumSize()};
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// No default fixedSize
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@override
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MaterialStateProperty<Size>? get maximumSize =>
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const MaterialStatePropertyAll<Size>(Size.infinite);
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@override
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MaterialStateProperty<double>? get iconSize =>
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const MaterialStatePropertyAll<double>(${tokens["$tokenGroup.icon.size"]});
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@override
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MaterialStateProperty<BorderSide?>? get side =>${_side()};
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@override
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MaterialStateProperty<OutlinedBorder>? get shape =>${_shape()};
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@override
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MaterialStateProperty<MouseCursor?>? get mouseCursor =>
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MaterialStateProperty.resolveWith((Set<MaterialState> states) {
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if (states.contains(MaterialState.disabled)) {
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return SystemMouseCursors.basic;
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}
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return SystemMouseCursors.click;
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});
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@override
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VisualDensity? get visualDensity => VisualDensity.standard;
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@override
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MaterialTapTargetSize? get tapTargetSize => Theme.of(context).materialTapTargetSize;
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@override
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InteractiveInkFeatureFactory? get splashFactory => Theme.of(context).splashFactory;
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}
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''';
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}
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