build method

Widget build(BuildContext context)

Implementation

Widget build(BuildContext context) {
  final flattenedData = Data.of<_FlattenedTableCell>(context);
  final resizedData = Data.maybeOf<_ResizableTableData>(context);
  final resizedState = Data.maybeOf<_ResizableTableState>(context);
  final currentCell = _HoveredCell(
    flattenedData.column,
    flattenedData.row,
    flattenedData.columnSpan,
    flattenedData.rowSpan,
  );
  var theme = this.theme;
  var defaultTheme = flattenedData.tableCellThemeBuilder(context);
  final appTheme = Theme.of(context);
  return Stack(
    fit: StackFit.passthrough,
    children: [
      ColoredBox(
        color: backgroundColor ?? appTheme.colorScheme.background,
        child: MouseRegion(
          onEnter: (event) {
            if (flattenedData.enabled) {
              flattenedData.hoveredCellNotifier.value = currentCell;
            }
          },
          onExit: (event) {
            if (flattenedData.enabled) {
              if (flattenedData.hoveredCellNotifier.value == currentCell) {
                flattenedData.hoveredCellNotifier.value = null;
              }
            }
          },
          child: ListenableBuilder(
            // valueListenable: flattenedData.hoveredCellNotifier,
            listenable: Listenable.merge([
              flattenedData.hoveredCellNotifier,
              flattenedData.dragNotifier,
            ]),
            builder: (context, child) {
              var hoveredCell = flattenedData.hoveredCellNotifier.value;
              var drag = flattenedData.dragNotifier?.value;
              if (drag != null) {
                hoveredCell = null;
              }
              var resolvedStates = {
                if (hoveredCell != null &&
                    ((columnHover &&
                            hoveredCell.intersects(
                                currentCell, Axis.vertical)) ||
                        (rowHover &&
                            hoveredCell.intersects(
                                currentCell, Axis.horizontal))))
                  WidgetState.hovered,
                if (flattenedData.selected) WidgetState.selected,
                if (!flattenedData.enabled) WidgetState.disabled,
              };
              return Container(
                decoration: BoxDecoration(
                  border: theme?.border?.resolve(resolvedStates) ??
                      defaultTheme.border?.resolve(resolvedStates),
                  color: theme?.backgroundColor?.resolve(resolvedStates) ??
                      defaultTheme.backgroundColor?.resolve(resolvedStates),
                ),
                child: DefaultTextStyle.merge(
                  style: theme?.textStyle?.resolve(resolvedStates) ??
                      defaultTheme.textStyle?.resolve(resolvedStates),
                  child: child!,
                ),
              );
            },
            child: child,
          ),
        ),
      ),
      if (resizedData != null && resizedState != null)
        Positioned.fill(
          child: _CellResizer(
              controller: resizedData.controller,
              onHover: resizedState._onHover,
              onDrag: resizedState._onDrag,
              hoverNotifier: resizedState._hoverNotifier,
              dragNotifier: resizedState._dragNotifier,
              maxRow: resizedState._maxRow,
              theme: resizedState.widget.theme,
              maxColumn: resizedState._maxColumn),
        )
    ],
  );
}