widget<T> static method
Widget
widget<T>({
- required BuildContext context,
- required T condition(
- BuildContext context
- required Map<
T, Widget Function(BuildContext context)> caseBuilders, - Widget fallbackBuilder(
- BuildContext context
Calls caseBuilders
value where key == condition
.
If nothing found calls fallbackBuilder
which defaults to Container().
Implementation
static Widget widget<T>({
required BuildContext context,
required T Function(BuildContext context) condition,
required Map<T, Widget Function(BuildContext context)> caseBuilders,
Widget Function(BuildContext context)? fallbackBuilder,
}) {
final T value = condition(context);
if (caseBuilders[value] != null) {
return caseBuilders[value]!(context);
} else {
return fallbackBuilder != null ? fallbackBuilder(context) : Container();
}
}