setOffset method
Implementation
@override
void setOffset(Offset? value) {
if (_offset == null ||
(value != null &&
_offset != null &&
(_offset!.dx != value.dx || _offset!.dy != value.dy))) {
_offset = value;
}
if (value == null) {
for (IMindMapNode node in getLeftItems()) {
node.setOffset(value);
}
for (IMindMapNode node in getRightItems()) {
node.setOffset(value);
}
_state?.refresh();
}
}