build method

@override Widget build(BuildContext context)

Describes the part of the UI represented by this widget.

Implementation

@override
Widget build(BuildContext context) {
  final theme = ThemeScope.of(context);
  final clampedPage = page.clamp(1, math.max(1, pageCount)).toInt();
  final labelStyle = _copyStyle(theme.labelSmall)..foreground(theme.muted);

  final controls = <Widget>[];
  if (showEdges) {
    controls.add(
      Button(
        label: 'First',
        size: ButtonSize.small,
        variant: ButtonVariant.ghost,
        enabled: clampedPage > 1,
        onPressed: onChanged == null ? null : () => onChanged?.call(1),
      ),
    );
  }

  controls.add(
    Button(
      label: 'Prev',
      size: ButtonSize.small,
      variant: ButtonVariant.ghost,
      enabled: clampedPage > 1,
      onPressed: onChanged == null
          ? null
          : () => onChanged?.call(clampedPage - 1),
    ),
  );

  controls.add(
    Text('Page $clampedPage / ${math.max(1, pageCount)}', style: labelStyle),
  );

  controls.add(
    Button(
      label: 'Next',
      size: ButtonSize.small,
      variant: ButtonVariant.ghost,
      enabled: clampedPage < pageCount,
      onPressed: onChanged == null
          ? null
          : () => onChanged?.call(clampedPage + 1),
    ),
  );

  if (showEdges) {
    controls.add(
      Button(
        label: 'Last',
        size: ButtonSize.small,
        variant: ButtonVariant.ghost,
        enabled: clampedPage < pageCount,
        onPressed: onChanged == null
            ? null
            : () => onChanged?.call(pageCount),
      ),
    );
  }

  return Row(gap: gap, children: controls);
}