toPdfWidget method

Future<Widget> toPdfWidget(CheckboxOptions options, Checkbox? contextWidget)

Converts the Checkbox to a pw.Checkbox.

Implementation

Future<pw.Widget> toPdfWidget(
    CheckboxOptions options, Checkbox? contextWidget) async {
  final Checkbox checkbox = contextWidget ?? this;

  if (options.interactive) {
    return pw.Center(
      child: pw.Checkbox(
        name: checkbox.hashCode.toString(),
        value: checkbox.value!,
        tristate: checkbox.tristate,
        activeColor: checkbox.activeColor?.toPdfColor() ?? PdfColors.blue,
        checkColor: checkbox.checkColor?.toPdfColor() ?? PdfColors.white,
        decoration: (await options
                .getBoxDecoration(checkbox.key)
                ?.toPdfBoxDecoration()) ??
            getCheckboxDecoration(checkbox),
      ),
    );
  } else {
    return pw.Center(
      child: pw.Container(
        height: 13,
        width: 13,
        decoration: checkbox.value == null || !checkbox.value!
            ? (await options
                    .getBoxDecoration(checkbox.key)
                    ?.toPdfBoxDecoration()) ??
                getCheckboxDecoration(checkbox)
            : null,
        child: checkbox.value != null && checkbox.value!
            ? pw.Center(
                child: pw.CustomPaint(
                  size: const PdfPoint(13, 13),
                  painter: (PdfGraphics canvas, PdfPoint size) {
                    canvas
                      ..drawRect(0, 0, 13, 13)
                      ..setFillColor(checkbox.activeColor?.toPdfColor() ??
                          PdfColors.blue)
                      ..fillPath()
                      ..moveTo(2, 13 / 2)
                      ..lineTo(13 / 3, 13 / 4)
                      ..lineTo(13 - 2, 13 / 4 * 3)
                      ..setStrokeColor(checkbox.checkColor?.toPdfColor() ??
                          PdfColors.white)
                      ..setLineWidth(2)
                      ..strokePath();
                  },
                ),
              )
            : null,
      ),
    );
  }
}