decodeBarLabelAnchor static method
Expects the map
to be either a charts.BarLabelAnchor
or a String
containing one of the following values:
end
middle
start
Implementation
static charts.BarLabelAnchor? decodeBarLabelAnchor(
dynamic map, {
bool validate = true,
}) {
charts.BarLabelAnchor? result;
if (map is charts.BarLabelAnchor) {
result = map;
} else if (map != null) {
assert(SchemaValidator.validate(
schemaId: '$_baseSchemaUrl/bar_label_anchor',
value: map,
validate: validate,
));
switch (map) {
case 'end':
result = charts.BarLabelAnchor.end;
break;
case 'middle':
result = charts.BarLabelAnchor.middle;
break;
case 'start':
result = charts.BarLabelAnchor.start;
break;
default:
throw Exception('Unknown [BarLabelAnchor] encountered: [$map]');
}
}
return result;
}