updateHeaderPositions method
void
updateHeaderPositions()
Implementation
void updateHeaderPositions() {
rowPos.clear();
double pos = 0;
for (int i = 0; i < rowCount(); i++) {
rowPos.add(pos);
pos += verticalHeaderCellData(i).height;
}
rowPos.add(pos);
gridHeight = rowPos.last;
columnPos.clear();
pos = 0;
for (int i = 0; i < columnCount(); i++) {
columnPos.add(pos);
pos += horizontalHeaderCellData(i).width;
}
columnPos.add(pos);
gridWidth = columnPos.last;
// print(columnPos);
// print('!!!!!!!!!!!!!!!!!! $gridWidth');
}