INNER CODE UNIT · Dart

_shadingTypes

mchome/flutter_colorpicker · lib/src/material_picker.dart:57

  List<Map<Color, String>> _shadingTypes(List<Color> colors) {
    List<Map<Color, String>> result = [];

    for (Color colorType in colors) {
      if (colorType == Colors.grey) {
        result.addAll([50, 100, 200, 300, 350, 400, 500, 600, 700, 800, 850, 900]
            .map((int shade) => {Colors.grey[shade]!: shade.toString()})
            .toList());
      } else if (colorType == Colors.black || colorType == Colors.white) {
        result.addAll([
          {Colors.black: ''},
          {Colors.white: ''}
        ]);
      } else if (colorType is MaterialAccentColor) {
        result.addAll([100, 200, 400, 700].map((int shade) => {colorType[shade]!: 'A$shade'}).toList());
      } else if (colorType is MaterialColor) {
        result.addAll([50, 100, 200, 300, 400, 500, 600, 700, 800, 900]
            .map((int shade) => {colorType[shade]!: shade.toString()})

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