public boolean[] getColumnInsertability() {
boolean[] result = new boolean[getColumnSpan()];
int i = 0;
Iterator iter = getColumnIterator();
while (iter.hasNext()) {
Selectable s = (Selectable) iter.next();
result[i++] = !s.isFormula();
}
return result;
}
public void addColumns(Iterator columnIterator) {
while (columnIterator.hasNext()) {
Selectable col = (Selectable) columnIterator.next();
if (!col.isFormula()) addColumn((Column) col);
}
}