toOptionsJSON method
Implementation
@override
void toOptionsJSON(StringBuffer buffer) {
super.toOptionsJSON(buffer);
if (borderColor != null) {
buffer.writeAll(['"borderColor":', jsonEncode(borderColor), ','], '');
}
if (color != null) {
buffer.writeAll(['"color":', jsonEncode(color), ','], '');
}
if (connectorColor != null) {
buffer
.writeAll(['"connectorColor":', jsonEncode(connectorColor), ','], '');
}
if (value != null) {
buffer.writeAll(['"value":', value, ','], '');
}
}