fromDynamic static method
Builds the builder from a Map-like dynamic structure. This expects the JSON format to be of the following structure:
{
"crossAxisAlignment": <CrossAxisAlignment>,
"mainAxisAlignment": <MainAxisAlignment>,
"mainAxisSize": <MainAxisSize>,
"textBaseline": <TextBaseline>,
"textDirection": <TextDirection>,
"verticalDirection": <VerticalDirection>
}
See also:
ThemeDecoder.decodeCrossAxisAlignment
ThemeDecoder.decodeMainAxisAlignment
ThemeDecoder.decodeMainAxisSize
ThemeDecoder.decodeTextBaseline
ThemeDecoder.decodeTextDirection
ThemeDecoder.decodeVerticalDirection
Implementation
static JsonColumnBuilder? fromDynamic(
dynamic map, {
JsonWidgetRegistry? registry,
}) {
JsonColumnBuilder? result;
if (map != null) {
result = JsonColumnBuilder(
crossAxisAlignment: ThemeDecoder.decodeCrossAxisAlignment(
map['crossAxisAlignment'],
validate: false,
) ??
CrossAxisAlignment.center,
mainAxisAlignment: ThemeDecoder.decodeMainAxisAlignment(
map['mainAxisAlignment'],
validate: false,
) ??
MainAxisAlignment.start,
mainAxisSize: ThemeDecoder.decodeMainAxisSize(
map['mainAxisSize'],
validate: false,
) ??
MainAxisSize.max,
textBaseline: ThemeDecoder.decodeTextBaseline(
map['textBaseline'],
validate: false,
),
textDirection: ThemeDecoder.decodeTextDirection(
map['textDirection'],
validate: false,
),
verticalDirection: ThemeDecoder.decodeVerticalDirection(
map['verticalDirection'],
validate: false,
) ??
VerticalDirection.down,
);
}
return result;
}