fromDynamic static method
Builds the builder from a Map-like dynamic structure. This expects the JSON format to be of the following structure:
{
"controller": "<ScrollController>",
"interactive": "<bool>",
"notificationPredicate": "<ScrollNotificationPredicate>",
"radius": "<Radius>",
"scrollbarOrientation": "<ScrollbarOrientation>",
"thickness": "<double>",
"trackVisibility": "<bool>",
"thumbVisibility": "<bool>"
}
See also:
ThemeDecoder.decodeRadius
ThemeDecoder.decodeScrollbarOrientation
Implementation
static JsonScrollbarBuilder? fromDynamic(
dynamic map, {
JsonWidgetRegistry? registry,
}) {
JsonScrollbarBuilder? result;
if (map != null) {
result = JsonScrollbarBuilder(
controller: map['controller'],
interactive: map['interactive'] == null
? null
: JsonClass.parseBool(
map['interactive'],
),
notificationPredicate: map['notificationPredicate'],
radius: ThemeDecoder.decodeRadius(
map['radius'],
validate: false,
),
scrollbarOrientation: ThemeDecoder.decodeScrollbarOrientation(
map['scrollbarOrientation'],
validate: false,
),
thickness: JsonClass.maybeParseDouble(map['thickness']),
thumbVisibility: map['thumbVisibility'] == null
? null
: JsonClass.parseBool(
map['thumbVisibility'],
),
);
}
return result;
}