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319 行
15 KiB
319 行
15 KiB
using Unity.UIWidgets.foundation;
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using Unity.UIWidgets.painting;
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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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using TextStyle = Unity.UIWidgets.painting.TextStyle;
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namespace Unity.UIWidgets.material {
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public class ChipTheme : InheritedWidget {
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public ChipTheme(
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Key key = null,
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ChipThemeData data = null,
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Widget child = null
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) : base(key: key, child: child) {
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D.assert(child != null);
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D.assert(data != null);
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this.data = data;
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}
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public readonly ChipThemeData data;
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public static ChipThemeData of(BuildContext context) {
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ChipTheme inheritedTheme = (ChipTheme) context.inheritFromWidgetOfExactType(typeof(ChipTheme));
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return inheritedTheme?.data ?? Theme.of(context).chipTheme;
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}
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public override bool updateShouldNotify(InheritedWidget _oldWidget) {
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ChipTheme oldWidget = _oldWidget as ChipTheme;
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return this.data != oldWidget.data;
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}
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}
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public class ChipThemeData : Diagnosticable {
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public ChipThemeData(
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Color backgroundColor = null,
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Color deleteIconColor = null,
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Color disabledColor = null,
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Color selectedColor = null,
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Color secondarySelectedColor = null,
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Color shadowColor = null,
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Color selectedShadowColor = null,
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EdgeInsets labelPadding = null,
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EdgeInsets padding = null,
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ShapeBorder shape = null,
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TextStyle labelStyle = null,
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TextStyle secondaryLabelStyle = null,
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Brightness? brightness = null,
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float? elevation = null,
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float? pressElevation = null
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) {
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D.assert(backgroundColor != null);
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D.assert(disabledColor != null);
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D.assert(selectedColor != null);
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D.assert(secondarySelectedColor != null);
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D.assert(labelPadding != null);
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D.assert(padding != null);
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D.assert(shape != null);
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D.assert(labelStyle != null);
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D.assert(secondaryLabelStyle != null);
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D.assert(brightness != null);
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this.backgroundColor = backgroundColor;
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this.deleteIconColor = deleteIconColor;
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this.disabledColor = disabledColor;
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this.selectedColor = selectedColor;
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this.secondarySelectedColor = secondarySelectedColor;
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this.shadowColor = shadowColor;
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this.selectedShadowColor = selectedShadowColor;
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this.labelPadding = labelPadding;
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this.padding = padding;
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this.shape = shape;
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this.labelStyle = labelStyle;
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this.secondaryLabelStyle = secondaryLabelStyle;
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this.brightness = brightness;
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this.elevation = elevation;
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this.pressElevation = pressElevation;
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}
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public static ChipThemeData fromDefaults(
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Brightness? brightness = null,
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Color primaryColor = null,
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Color secondaryColor = null,
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TextStyle labelStyle = null
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) {
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D.assert(primaryColor != null || brightness != null,
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() => "One of primaryColor or brightness must be specified");
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D.assert(primaryColor == null || brightness == null,
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() => "Only one of primaryColor or brightness may be specified");
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D.assert(secondaryColor != null);
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D.assert(labelStyle != null);
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if (primaryColor != null) {
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brightness = ThemeData.estimateBrightnessForColor(primaryColor);
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}
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const int backgroundAlpha = 0x1f; // 12%
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const int deleteIconAlpha = 0xde; // 87%
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const int disabledAlpha = 0x0c; // 38% * 12% = 5%
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const int selectAlpha = 0x3d; // 12% + 12% = 24%
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const int textLabelAlpha = 0xde; // 87%
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ShapeBorder shape = new StadiumBorder();
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EdgeInsets labelPadding = EdgeInsets.symmetric(horizontal: 8.0f);
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EdgeInsets padding = EdgeInsets.all(4.0f);
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primaryColor = primaryColor ?? (brightness == Brightness.light ? Colors.black : Colors.white);
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Color backgroundColor = primaryColor.withAlpha(backgroundAlpha);
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Color deleteIconColor = primaryColor.withAlpha(deleteIconAlpha);
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Color disabledColor = primaryColor.withAlpha(disabledAlpha);
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Color selectedColor = primaryColor.withAlpha(selectAlpha);
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Color secondarySelectedColor = secondaryColor.withAlpha(selectAlpha);
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TextStyle secondaryLabelStyle = labelStyle.copyWith(
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color: secondaryColor.withAlpha(textLabelAlpha)
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);
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labelStyle = labelStyle.copyWith(color: primaryColor.withAlpha(textLabelAlpha));
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return new ChipThemeData(
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backgroundColor: backgroundColor,
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deleteIconColor: deleteIconColor,
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disabledColor: disabledColor,
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selectedColor: selectedColor,
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secondarySelectedColor: secondarySelectedColor,
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labelPadding: labelPadding,
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padding: padding,
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shape: shape,
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labelStyle: labelStyle,
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secondaryLabelStyle: secondaryLabelStyle,
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brightness: brightness
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);
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}
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public readonly Color backgroundColor;
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public readonly Color deleteIconColor;
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public readonly Color disabledColor;
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public readonly Color selectedColor;
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public readonly Color secondarySelectedColor;
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public readonly Color shadowColor;
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public readonly Color selectedShadowColor;
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public readonly EdgeInsets labelPadding;
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public readonly EdgeInsets padding;
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public readonly ShapeBorder shape;
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public readonly TextStyle labelStyle;
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public readonly TextStyle secondaryLabelStyle;
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public readonly Brightness? brightness;
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public readonly float? elevation;
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public readonly float? pressElevation;
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public ChipThemeData copyWith(
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Color backgroundColor = null,
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Color deleteIconColor = null,
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Color disabledColor = null,
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Color selectedColor = null,
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Color secondarySelectedColor = null,
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Color shadowColor = null,
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Color selectedShadowColor = null,
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EdgeInsets labelPadding = null,
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EdgeInsets padding = null,
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ShapeBorder shape = null,
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TextStyle labelStyle = null,
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TextStyle secondaryLabelStyle = null,
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Brightness? brightness = null,
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float? elevation = null,
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float? pressElevation = null
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) {
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return new ChipThemeData(
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backgroundColor: backgroundColor ?? this.backgroundColor,
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deleteIconColor: deleteIconColor ?? this.deleteIconColor,
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disabledColor: disabledColor ?? this.disabledColor,
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selectedColor: selectedColor ?? this.selectedColor,
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secondarySelectedColor: secondarySelectedColor ?? this.secondarySelectedColor,
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shadowColor: shadowColor ?? this.shadowColor,
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selectedShadowColor: selectedShadowColor ?? this.selectedShadowColor,
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labelPadding: labelPadding ?? this.labelPadding,
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padding: padding ?? this.padding,
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shape: shape ?? this.shape,
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labelStyle: labelStyle ?? this.labelStyle,
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secondaryLabelStyle: secondaryLabelStyle ?? this.secondaryLabelStyle,
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brightness: brightness ?? this.brightness,
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elevation: elevation ?? this.elevation,
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pressElevation: pressElevation ?? this.pressElevation
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);
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}
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public static ChipThemeData lerp(ChipThemeData a, ChipThemeData b, float t) {
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if (a == null && b == null) {
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return null;
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}
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return new ChipThemeData(
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backgroundColor: Color.lerp(a?.backgroundColor, b?.backgroundColor, t),
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deleteIconColor: Color.lerp(a?.deleteIconColor, b?.deleteIconColor, t),
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disabledColor: Color.lerp(a?.disabledColor, b?.disabledColor, t),
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selectedColor: Color.lerp(a?.selectedColor, b?.selectedColor, t),
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secondarySelectedColor: Color.lerp(a?.secondarySelectedColor, b?.secondarySelectedColor, t),
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shadowColor: Color.lerp(a?.shadowColor, b?.shadowColor, t),
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selectedShadowColor: Color.lerp(a?.selectedShadowColor, b?.selectedShadowColor, t),
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labelPadding: EdgeInsets.lerp(a?.labelPadding, b?.labelPadding, t),
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padding: EdgeInsets.lerp(a?.padding, b?.padding, t),
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shape: ShapeBorder.lerp(a?.shape, b?.shape, t),
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labelStyle: TextStyle.lerp(a?.labelStyle, b?.labelStyle, t),
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secondaryLabelStyle: TextStyle.lerp(a?.secondaryLabelStyle, b?.secondaryLabelStyle, t),
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brightness: t < 0.5f ? a?.brightness ?? Brightness.light : b?.brightness ?? Brightness.light,
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elevation: MathUtils.lerpFloat(a?.elevation ?? 0.0f, b?.elevation ?? 0.0f, t),
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pressElevation: MathUtils.lerpFloat(a?.pressElevation ?? 0.0f, b?.pressElevation ?? 0.0f, t)
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);
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}
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public override int GetHashCode() {
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var hashCode = this.backgroundColor.GetHashCode();
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hashCode = (hashCode * 397) ^ this.deleteIconColor.GetHashCode();
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hashCode = (hashCode * 397) ^ this.disabledColor.GetHashCode();
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hashCode = (hashCode * 397) ^ this.selectedColor.GetHashCode();
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hashCode = (hashCode * 397) ^ this.secondarySelectedColor.GetHashCode();
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hashCode = (hashCode * 397) ^ this.shadowColor?.GetHashCode() ?? 0;
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hashCode = (hashCode * 397) ^ this.selectedShadowColor?.GetHashCode() ?? 0;
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hashCode = (hashCode * 397) ^ this.labelPadding.GetHashCode();
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hashCode = (hashCode * 397) ^ this.padding.GetHashCode();
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hashCode = (hashCode * 397) ^ this.shape.GetHashCode();
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hashCode = (hashCode * 397) ^ this.labelStyle.GetHashCode();
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hashCode = (hashCode * 397) ^ this.secondaryLabelStyle.GetHashCode();
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hashCode = (hashCode * 397) ^ this.brightness.GetHashCode();
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hashCode = (hashCode * 397) ^ this.elevation.GetHashCode();
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hashCode = (hashCode * 397) ^ this.pressElevation.GetHashCode();
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return hashCode;
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}
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public bool Equals(ChipThemeData other) {
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return other.backgroundColor == this.backgroundColor
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&& other.deleteIconColor == this.deleteIconColor
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&& other.disabledColor == this.disabledColor
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&& other.selectedColor == this.selectedColor
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&& other.secondarySelectedColor == this.secondarySelectedColor
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&& other.shadowColor == this.shadowColor
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&& other.selectedShadowColor == this.selectedShadowColor
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&& other.labelPadding == this.labelPadding
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&& other.padding == this.padding
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&& other.shape == this.shape
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&& other.labelStyle == this.labelStyle
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&& other.secondaryLabelStyle == this.secondaryLabelStyle
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&& other.brightness == this.brightness
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&& other.elevation == this.elevation
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&& other.pressElevation == this.pressElevation;
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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() != this.GetType()) {
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return false;
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}
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return this.Equals((ChipThemeData) obj);
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}
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public static bool operator ==(ChipThemeData left, ChipThemeData right) {
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return Equals(left, right);
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}
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public static bool operator !=(ChipThemeData left, ChipThemeData right) {
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return !Equals(left, right);
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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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ThemeData defaultTheme = ThemeData.fallback();
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ChipThemeData defaultData = fromDefaults(
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secondaryColor: defaultTheme.primaryColor,
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brightness: defaultTheme.brightness,
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labelStyle: defaultTheme.textTheme.body2
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);
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properties.add(new DiagnosticsProperty<Color>("backgroundColor", this.backgroundColor,
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defaultValue: defaultData.backgroundColor));
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properties.add(new DiagnosticsProperty<Color>("deleteIconColor", this.deleteIconColor,
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defaultValue: defaultData.deleteIconColor));
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properties.add(new DiagnosticsProperty<Color>("disabledColor", this.disabledColor,
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defaultValue: defaultData.disabledColor));
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properties.add(new DiagnosticsProperty<Color>("selectedColor", this.selectedColor,
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defaultValue: defaultData.selectedColor));
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properties.add(new DiagnosticsProperty<Color>("secondarySelectedColor", this.secondarySelectedColor,
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defaultValue: defaultData.secondarySelectedColor));
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properties.add(new DiagnosticsProperty<Color>("shadowColor", this.shadowColor,
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defaultValue: defaultData.shadowColor));
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properties.add(new DiagnosticsProperty<Color>("selectedShadowColor", this.selectedShadowColor,
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defaultValue: defaultData.selectedShadowColor));
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properties.add(new DiagnosticsProperty<EdgeInsets>("labelPadding", this.labelPadding,
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defaultValue: defaultData.labelPadding));
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properties.add(
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new DiagnosticsProperty<EdgeInsets>("padding", this.padding, defaultValue: defaultData.padding));
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properties.add(new DiagnosticsProperty<ShapeBorder>("shape", this.shape, defaultValue: defaultData.shape));
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properties.add(new DiagnosticsProperty<TextStyle>("labelStyle", this.labelStyle,
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defaultValue: defaultData.labelStyle));
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properties.add(new DiagnosticsProperty<TextStyle>("secondaryLabelStyle", this.secondaryLabelStyle,
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defaultValue: defaultData.secondaryLabelStyle));
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properties.add(new EnumProperty<Brightness?>("brightness", this.brightness,
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defaultValue: defaultData.brightness));
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properties.add(new FloatProperty("elevation", this.elevation, defaultValue: defaultData.elevation));
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properties.add(new FloatProperty("pressElevation", this.pressElevation,
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defaultValue: defaultData.pressElevation));
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}
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}
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}
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