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582 行
21 KiB
582 行
21 KiB
using System;
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using Unity.UIWidgets.foundation;
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using Unity.UIWidgets.painting;
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using Unity.UIWidgets.rendering;
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using Unity.UIWidgets.service;
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using Unity.UIWidgets.ui;
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using Unity.UIWidgets.widgets;
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namespace Unity.UIWidgets.material {
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public enum ButtonTextTheme {
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normal,
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accent,
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primary
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}
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public enum ButtonBarLayoutBehavior {
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constrained,
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padded
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}
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public class ButtonTheme : InheritedWidget {
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public ButtonTheme(
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Key key = null,
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ButtonTextTheme textTheme = ButtonTextTheme.normal,
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ButtonBarLayoutBehavior layoutBehavior = ButtonBarLayoutBehavior.padded,
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float minWidth = 88.0f,
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float height = 36.0f,
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EdgeInsets padding = null,
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ShapeBorder shape = null,
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bool alignedDropdown = false,
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Color buttonColor = null,
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Color disabledColor = null,
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Color highlightColor = null,
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Color splashColor = null,
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ColorScheme colorScheme = null,
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MaterialTapTargetSize? materialTapTargetSize = null,
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Widget child = null) : base(key: key, child: child) {
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D.assert(minWidth >= 0.0);
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D.assert(height >= 0.0);
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data = new ButtonThemeData(
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textTheme: textTheme,
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minWidth: minWidth,
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height: height,
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padding: padding,
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shape: shape,
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alignedDropdown: alignedDropdown,
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layoutBehavior: layoutBehavior,
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buttonColor: buttonColor,
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disabledColor: disabledColor,
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highlightColor: highlightColor,
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splashColor: splashColor,
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colorScheme: colorScheme,
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materialTapTargetSize: materialTapTargetSize);
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}
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public ButtonTheme(
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Key key = null,
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ButtonThemeData data = null,
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Widget child = null) : base(key: key, child: child) {
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D.assert(data != null);
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this.data = data;
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}
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public static ButtonTheme fromButtonThemeData(
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Key key = null,
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ButtonThemeData data = null,
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Widget child = null) {
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return new ButtonTheme(key, data, child);
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}
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public static ButtonTheme bar(
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Key key = null,
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ButtonTextTheme textTheme = ButtonTextTheme.accent,
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float minWidth = 64.0f,
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float height = 36.0f,
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EdgeInsets padding = null,
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ShapeBorder shape = null,
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bool alignedDropdown = false,
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Color buttonColor = null,
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Color disabledColor = null,
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Color highlightColor = null,
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Color splashColor = null,
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ColorScheme colorScheme = null,
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Widget child = null,
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ButtonBarLayoutBehavior layoutBehavior = ButtonBarLayoutBehavior.padded
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) {
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D.assert(minWidth >= 0.0);
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D.assert(height >= 0.0);
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return new ButtonTheme(key, new ButtonThemeData(
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textTheme: textTheme,
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minWidth: minWidth,
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height: height,
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padding: padding ?? EdgeInsets.symmetric(horizontal: 8.0f),
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shape: shape,
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alignedDropdown: alignedDropdown,
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layoutBehavior: layoutBehavior,
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buttonColor: buttonColor,
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disabledColor: disabledColor,
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highlightColor: highlightColor,
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splashColor: splashColor,
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colorScheme: colorScheme
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), child);
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}
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public readonly ButtonThemeData data;
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public static ButtonThemeData of(BuildContext context) {
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ButtonTheme inheritedButtonTheme = (ButtonTheme) context.inheritFromWidgetOfExactType(typeof(ButtonTheme));
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ButtonThemeData buttonTheme = inheritedButtonTheme?.data;
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if (buttonTheme?.colorScheme == null) {
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ThemeData theme = Theme.of(context);
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buttonTheme = buttonTheme ?? theme.buttonTheme;
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if (buttonTheme.colorScheme == null) {
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buttonTheme = buttonTheme.copyWith(
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colorScheme: theme.buttonTheme.colorScheme ?? theme.colorScheme);
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D.assert(buttonTheme.colorScheme != null);
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}
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}
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return buttonTheme;
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}
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public override bool updateShouldNotify(InheritedWidget oldWidget) {
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return data != ((ButtonTheme) oldWidget).data;
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}
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}
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public class ButtonThemeData : Diagnosticable, IEquatable<ButtonThemeData> {
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public ButtonThemeData(
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ButtonTextTheme textTheme = ButtonTextTheme.normal,
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float minWidth = 88.0f,
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float height = 36.0f,
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EdgeInsets padding = null,
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ShapeBorder shape = null,
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ButtonBarLayoutBehavior layoutBehavior = ButtonBarLayoutBehavior.padded,
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bool alignedDropdown = false,
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Color buttonColor = null,
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Color disabledColor = null,
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Color highlightColor = null,
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Color splashColor = null,
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ColorScheme colorScheme = null,
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MaterialTapTargetSize? materialTapTargetSize = null
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) {
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D.assert(minWidth >= 0.0);
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D.assert(height >= 0.0);
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this.textTheme = textTheme;
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this.minWidth = minWidth;
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this.height = height;
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this.layoutBehavior = layoutBehavior;
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this.alignedDropdown = alignedDropdown;
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this.colorScheme = colorScheme;
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_buttonColor = buttonColor;
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_disabledColor = disabledColor;
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_highlightColor = highlightColor;
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_splashColor = splashColor;
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_padding = padding;
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_shape = shape;
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_materialTapTargetSize = materialTapTargetSize;
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}
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public readonly float minWidth;
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public readonly float height;
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public readonly ButtonTextTheme textTheme;
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public readonly ButtonBarLayoutBehavior layoutBehavior;
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public BoxConstraints constraints {
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get {
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return new BoxConstraints(minWidth: minWidth,
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minHeight: height);
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}
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}
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public EdgeInsets padding {
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get {
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if (_padding != null) {
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return _padding;
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}
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switch (textTheme) {
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case ButtonTextTheme.normal:
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case ButtonTextTheme.accent:
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return EdgeInsets.symmetric(horizontal: 16.0f);
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case ButtonTextTheme.primary:
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return EdgeInsets.symmetric(horizontal: 24.0f);
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}
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D.assert(false);
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return EdgeInsets.zero;
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}
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}
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readonly EdgeInsets _padding;
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public ShapeBorder shape {
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get {
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if (_shape != null) {
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return _shape;
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}
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switch (textTheme) {
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case ButtonTextTheme.normal:
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case ButtonTextTheme.accent:
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return new RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(2.0f)));
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case ButtonTextTheme.primary:
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return new RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(4.0f)));
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}
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return new RoundedRectangleBorder();
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}
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}
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readonly ShapeBorder _shape;
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public readonly bool alignedDropdown;
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readonly Color _buttonColor;
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readonly Color _disabledColor;
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readonly Color _highlightColor;
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readonly Color _splashColor;
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public readonly ColorScheme colorScheme;
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readonly MaterialTapTargetSize? _materialTapTargetSize;
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public Brightness getBrightness(MaterialButton button) {
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return button.colorBrightness ?? colorScheme.brightness;
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}
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public ButtonTextTheme getTextTheme(MaterialButton button) {
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return button.textTheme ?? textTheme;
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}
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Color _getDisabledColor(MaterialButton button) {
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return getBrightness(button) == Brightness.dark
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? colorScheme.onSurface.withOpacity(0.30f)
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: colorScheme.onSurface.withOpacity(0.38f);
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}
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public Color getDisabledTextColor(MaterialButton button) {
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if (button.disabledTextColor != null) {
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return button.disabledTextColor;
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}
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return _getDisabledColor(button);
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}
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Color getDisabledFillColor(MaterialButton button) {
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if (button.disabledColor != null) {
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return button.disabledColor;
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}
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if (_disabledColor != null) {
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return _disabledColor;
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}
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return _getDisabledColor(button);
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}
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public Color getFillColor(MaterialButton button) {
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Color fillColor = button.enabled ? button.color : button.disabledColor;
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if (fillColor != null) {
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return fillColor;
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}
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if (button is FlatButton || button is OutlineButton || button.GetType() == typeof(MaterialButton)) {
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return null;
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}
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if (button.enabled && button is RaisedButton && _buttonColor != null) {
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return _buttonColor;
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}
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switch (getTextTheme(button)) {
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case ButtonTextTheme.normal:
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case ButtonTextTheme.accent:
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return button.enabled ? colorScheme.primary : getDisabledFillColor(button);
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case ButtonTextTheme.primary:
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return button.enabled
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? _buttonColor ?? colorScheme.primary
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: colorScheme.onSurface.withOpacity(0.12f);
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}
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D.assert(false);
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return null;
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}
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public Color getTextColor(MaterialButton button) {
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if (!button.enabled) {
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return getDisabledTextColor(button);
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}
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if (button.textColor != null) {
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return button.textColor;
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}
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switch (getTextTheme(button)) {
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case ButtonTextTheme.normal:
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return getBrightness(button) == Brightness.dark ? Colors.white : Colors.black87;
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case ButtonTextTheme.accent:
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return colorScheme.secondary;
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case ButtonTextTheme.primary: {
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Color fillColor = getFillColor(button);
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bool fillIsDark = fillColor != null
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? ThemeData.estimateBrightnessForColor(fillColor) == Brightness.dark
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: getBrightness(button) == Brightness.dark;
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if (fillIsDark) {
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return Colors.white;
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}
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if (button is FlatButton || button is OutlineButton) {
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return colorScheme.primary;
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}
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return Colors.black;
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}
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}
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D.assert(false);
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return null;
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}
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public Color getSplashColor(MaterialButton button) {
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if (button.splashColor != null) {
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return button.splashColor;
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}
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if (_splashColor != null && (button is RaisedButton || button is OutlineButton)) {
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return _splashColor;
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}
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if (_splashColor != null && button is FlatButton) {
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switch (getTextTheme(button)) {
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case ButtonTextTheme.normal:
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case ButtonTextTheme.accent:
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return _splashColor;
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case ButtonTextTheme.primary:
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break;
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}
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}
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return getTextColor(button).withOpacity(0.12f);
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}
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public Color getHighlightColor(MaterialButton button) {
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if (button.highlightColor != null) {
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return button.highlightColor;
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}
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switch (getTextTheme(button)) {
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case ButtonTextTheme.normal:
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case ButtonTextTheme.accent:
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return _highlightColor ?? getTextColor(button).withOpacity(0.16f);
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case ButtonTextTheme.primary:
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return Colors.transparent;
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}
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D.assert(false);
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return Colors.transparent;
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}
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public float getElevation(MaterialButton button) {
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if (button.elevation != null) {
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return button.elevation ?? 0.0f;
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}
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if (button is FlatButton) {
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return 0.0f;
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}
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return 2.0f;
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}
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public float getHighlightElevation(MaterialButton button) {
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if (button.highlightElevation != null) {
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return button.highlightElevation ?? 0.0f;
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}
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if (button is FlatButton) {
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return 0.0f;
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}
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if (button is OutlineButton) {
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return 0.0f;
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}
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return 8.0f;
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}
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public float getDisabledElevation(MaterialButton button) {
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if (button.disabledElevation != null) {
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return button.disabledElevation ?? 0.0f;
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}
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return 0.0f;
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}
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public EdgeInsets getPadding(MaterialButton button) {
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if (button.padding != null) {
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return button.padding;
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}
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if (button is MaterialButtonWithIconMixin) {
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return EdgeInsets.fromLTRB(12.0f, 0.0f, 16.0f, 0.0f);
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}
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if (_padding != null) {
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return _padding;
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}
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switch (getTextTheme(button)) {
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case ButtonTextTheme.normal:
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case ButtonTextTheme.accent:
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return EdgeInsets.symmetric(horizontal: 16.0f);
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case ButtonTextTheme.primary:
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return EdgeInsets.symmetric(horizontal: 24.0f);
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}
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D.assert(false);
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return EdgeInsets.zero;
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}
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public ShapeBorder getShape(MaterialButton button) {
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return button.shape ?? shape;
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}
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public TimeSpan getAnimationDuration(MaterialButton button) {
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return button.animationDuration ?? Constants.kThemeChangeDuration;
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}
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public BoxConstraints getConstraints(MaterialButton button) {
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return constraints;
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}
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public MaterialTapTargetSize getMaterialTapTargetSize(MaterialButton button) {
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return button.materialTapTargetSize ?? _materialTapTargetSize ?? MaterialTapTargetSize.padded;
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}
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public ButtonThemeData copyWith(
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ButtonTextTheme? textTheme = null,
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ButtonBarLayoutBehavior? layoutBehavior = null,
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float? minWidth = null,
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float? height = null,
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EdgeInsets padding = null,
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ShapeBorder shape = null,
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bool? alignedDropdown = null,
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Color buttonColor = null,
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Color disabledColor = null,
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Color highlightColor = null,
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Color splashColor = null,
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ColorScheme colorScheme = null,
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MaterialTapTargetSize? materialTapTargetSize = null) {
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return new ButtonThemeData(
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textTheme: textTheme ?? this.textTheme,
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layoutBehavior: layoutBehavior ?? this.layoutBehavior,
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minWidth: minWidth ?? this.minWidth,
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height: height ?? this.height,
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padding: padding ?? this.padding,
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shape: shape ?? this.shape,
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alignedDropdown: alignedDropdown ?? this.alignedDropdown,
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buttonColor: buttonColor ?? _buttonColor,
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disabledColor: disabledColor ?? _disabledColor,
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highlightColor: highlightColor ?? _highlightColor,
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splashColor: splashColor ?? _splashColor,
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colorScheme: colorScheme ?? this.colorScheme,
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materialTapTargetSize: materialTapTargetSize ?? _materialTapTargetSize);
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}
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public bool Equals(ButtonThemeData other) {
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if (ReferenceEquals(null, other)) {
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return false;
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}
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if (ReferenceEquals(this, other)) {
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return true;
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}
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return textTheme == other.textTheme
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&& minWidth == other.minWidth
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&& height == other.height
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&& padding == other.padding
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&& shape == other.shape
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&& alignedDropdown == other.alignedDropdown
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&& _buttonColor == other._buttonColor
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&& _disabledColor == other._disabledColor
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&& _highlightColor == other._highlightColor
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&& _splashColor == other._splashColor
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&& colorScheme == other.colorScheme
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&& _materialTapTargetSize == other._materialTapTargetSize;
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}
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public override bool Equals(object obj) {
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if (ReferenceEquals(null, obj)) {
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return false;
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}
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if (ReferenceEquals(this, obj)) {
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return true;
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}
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if (obj.GetType() != GetType()) {
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return false;
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}
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return Equals((ButtonThemeData) obj);
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}
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public static bool operator ==(ButtonThemeData left, ButtonThemeData right) {
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return Equals(left, right);
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}
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public static bool operator !=(ButtonThemeData left, ButtonThemeData right) {
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return !Equals(left, right);
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}
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public override int GetHashCode() {
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unchecked {
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var hashCode = textTheme.GetHashCode();
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hashCode = (hashCode * 397) ^ minWidth.GetHashCode();
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hashCode = (hashCode * 397) ^ height.GetHashCode();
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hashCode = (hashCode * 397) ^ padding.GetHashCode();
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hashCode = (hashCode * 397) ^ shape.GetHashCode();
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hashCode = (hashCode * 397) ^ alignedDropdown.GetHashCode();
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hashCode = (hashCode * 397) ^ (_buttonColor != null ? _buttonColor.GetHashCode() : 0);
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hashCode = (hashCode * 397) ^ (_disabledColor != null ? _disabledColor.GetHashCode() : 0);
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hashCode = (hashCode * 397) ^ (_highlightColor != null ? _highlightColor.GetHashCode() : 0);
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hashCode = (hashCode * 397) ^ (_splashColor != null ? _splashColor.GetHashCode() : 0);
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hashCode = (hashCode * 397) ^ colorScheme.GetHashCode();
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hashCode = (hashCode * 397) ^ _materialTapTargetSize.GetHashCode();
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return hashCode;
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}
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}
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public override void debugFillProperties(DiagnosticPropertiesBuilder properties) {
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base.debugFillProperties(properties);
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ButtonThemeData defaultTheme = new ButtonThemeData();
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properties.add(new EnumProperty<ButtonTextTheme>("textTheme", textTheme,
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defaultValue: defaultTheme.textTheme));
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properties.add(new FloatProperty("minWidth", minWidth, defaultValue: defaultTheme.minWidth));
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properties.add(new FloatProperty("height", height, defaultValue: defaultTheme.height));
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properties.add(new DiagnosticsProperty<EdgeInsets>("padding", padding,
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defaultValue: defaultTheme.padding));
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properties.add(new DiagnosticsProperty<ShapeBorder>("shape", shape, defaultValue: defaultTheme.shape));
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properties.add(new FlagProperty("alignedDropdown",
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value: alignedDropdown,
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defaultValue: defaultTheme.alignedDropdown,
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ifTrue: "dropdown width matches button"
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));
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properties.add(new DiagnosticsProperty<Color>("buttonColor", _buttonColor, defaultValue: null));
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properties.add(new DiagnosticsProperty<Color>("disabledColor", _disabledColor, defaultValue: null));
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properties.add(new DiagnosticsProperty<Color>("highlightColor", _highlightColor, defaultValue: null));
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properties.add(new DiagnosticsProperty<Color>("splashColor", _splashColor, defaultValue: null));
|
|
properties.add(new DiagnosticsProperty<ColorScheme>("colorScheme", colorScheme,
|
|
defaultValue: defaultTheme.colorScheme));
|
|
properties.add(new DiagnosticsProperty<MaterialTapTargetSize?>("materialTapTargetSize",
|
|
_materialTapTargetSize, defaultValue: null));
|
|
}
|
|
}
|
|
}
|