showColorMenu function

void showColorMenu(BuildContext context, EditorState editorState, Selection selection, { String? currentColorHex, List<ColorOption>? textColorOptions, List<ColorOption>? highlightColorOptions, required bool isTextColor, bool showClearButton = false, })

Implementation

void showColorMenu(
  BuildContext context,
  EditorState editorState,
  Selection selection, {
  String? currentColorHex,
  List<ColorOption>? textColorOptions,
  List<ColorOption>? highlightColorOptions,
  required bool isTextColor,
  bool showClearButton = false,
}) {
  // Since link format is only available for single line selection,
  // the first rect(also the only rect) is used as the starting reference point for the [overlay] position
  final rect = editorState.selectionRects().first;
  OverlayEntry? overlay;

  // should abstract this logic to a method
  // ----
  final left = rect.left + 10;
  double? top;
  double? bottom;
  final offset = rect.center;
  final editorOffset = editorState.renderBox!.localToGlobal(Offset.zero);
  final editorHeight = editorState.renderBox!.size.height;
  final threshold = editorOffset.dy + editorHeight - 250;
  if (offset.dy > threshold) {
    bottom = editorOffset.dy + editorHeight - rect.top - 5;
  } else {
    top = rect.bottom + 5;
  }
  // ----

  void dismissOverlay() {
    overlay?.remove();
    overlay = null;
  }

  keepEditorFocusNotifier.increase();
  overlay = FullScreenOverlayEntry(
    top: top,
    bottom: bottom,
    left: left,
    builder: (context) {
      return ColorPicker(
        title: isTextColor
            ? AppFlowyEditorL10n.current.textColor
            : AppFlowyEditorL10n.current.highlightColor,
        showClearButton: showClearButton,
        selectedColorHex: currentColorHex,
        colorOptions: isTextColor
            ? textColorOptions ?? generateTextColorOptions()
            : highlightColorOptions ?? generateHighlightColorOptions(),
        onSubmittedColorHex: (color) {
          isTextColor
              ? formatFontColor(
                  editorState,
                  editorState.selection,
                  color,
                  withUpdateSelection: true,
                )
              : formatHighlightColor(
                  editorState,
                  editorState.selection,
                  color,
                  withUpdateSelection: true,
                );
          dismissOverlay();
          keepEditorFocusNotifier.decrease();
        },
        resetText: isTextColor
            ? AppFlowyEditorL10n.current.resetToDefaultColor
            : AppFlowyEditorL10n.current.clearHighlightColor,
        resetIconName:
            isTextColor ? 'reset_text_color' : 'clear_highlight_color',
      );
    },
  ).build();
  Overlay.of(context, rootOverlay: true).insert(overlay!);
}