from<T, K> static method

Future<Table> from<T, K>(BuildContext context, List<TTableHeader<T, K>> headers, List<T> items, { TPdfTableDecoration decoration = const TPdfTableDecoration(), })

Creates a PDF table widget from headers and items.

Implementation

static Future<pw.Table> from<T, K>(
  BuildContext context,
  List<TTableHeader<T, K>> headers,
  List<T> items, {
  TPdfTableDecoration decoration = const TPdfTableDecoration(),
}) async {
  final colors = context.colors;
  final effectiveHeaders = headers.where((header) => header.map != null || header.builder != null).toList();
  final imageCache = await TPdfWidgetHelper.preCacheImages(context, effectiveHeaders, items);
  final tHeaders = effectiveHeaders.map((header) => header.text).toList();

  final tData = items.asMap().entries.map((itemEntry) {
    final index = itemEntry.key;
    final item = itemEntry.value;

    return effectiveHeaders.map((header) {
      if (header.builder != null) {
        final listItem = TListItem<T, K>(key: index as dynamic, data: item);
        final widget = header.builder!(context, listItem, index);
        final pdfWidget = TPdfWidgetHelper.convert(widget, colors, imageCache: imageCache);

        // If conversion was successful, return the PDF widget
        if (pdfWidget is! pw.SizedBox) {
          return pdfWidget;
        }
      }
      return header.getValue(item);
    }).toList();
  }).toList();

  return pw.TableHelper.fromTextArray(
    headers: tHeaders,
    data: tData,
    border: decoration.getBorder(colors),
    headerStyle: decoration.getHeaderStyle(colors),
    cellStyle: decoration.getCellStyle(colors),
    headerAlignment: decoration.headerAlignment,
    cellAlignment: decoration.cellAlignment,
    headerPadding: decoration.headerPadding,
    cellPadding: decoration.cellPadding,
  );
}