private bool ScanRowForOverlap(int maxColumns, ReservationGrid reservationGrid, LayoutInfo layoutInfo, int stopCol, int rowOffset) {
for(int i = layoutInfo.ColumnStart; i < stopCol; i++) {
if(reservationGrid.IsReserved(i, rowOffset)) {
// If we hit reserved space, advance startCol past it. If we hit the end of the row,
// just stop. AdvanceUntilFits will move to the next row and call us again.
for(layoutInfo.ColumnStart = i + 1;
layoutInfo.ColumnStart < maxColumns && reservationGrid.IsReserved(layoutInfo.ColumnStart, rowOffset);
layoutInfo.ColumnStart++);
return true;
}
}
return false;
}
/// <devdoc>
/// IsOverlappingWithReservationGrid: part of xAssignRowsAndColumns.
/// check to see if the absolutely positioned layoutInfo fits in the reservation grid
/// </devdoc>
private bool IsOverlappingWithReservationGrid(LayoutInfo fixedLayoutInfo, ReservationGrid reservationGrid, int currentRow) {
//since we shall not put anything above our current row, this means that the fixedLayoutInfo overlaps with something already placed on the table
if (fixedLayoutInfo.RowPosition < currentRow) {
return true;
}
for (int rowOffset = fixedLayoutInfo.RowPosition - currentRow; rowOffset < fixedLayoutInfo.RowPosition - currentRow + fixedLayoutInfo.RowSpan; rowOffset++) {
for (int colOffset = fixedLayoutInfo.ColumnPosition; colOffset < fixedLayoutInfo.ColumnPosition + fixedLayoutInfo.ColumnSpan; colOffset++) {
if (reservationGrid.IsReserved(colOffset, rowOffset)) {
return true;
}
}
}
return false;
}