toOptionsJSON method
Implementation
@override
void toOptionsJSON(StringBuffer buffer) {
super.toOptionsJSON(buffer);
if (mapZoomIn != null) {
buffer.writeAll(['"mapZoomIn":', jsonEncode(mapZoomIn), ','], '');
}
if (mapZoomOut != null) {
buffer.writeAll(['"mapZoomOut":', jsonEncode(mapZoomOut), ','], '');
}
if (resetZoomButton != null) {
buffer.writeAll(
['"resetZoomButton":', jsonEncode(resetZoomButton), ','], '');
}
}