/// <summary>
/// 为给定的覆盖单元格和行索引获取RowSpan
/// Get RowSpan for the given covered cell and rowIndex
/// </summary>
/// <param name="currHeaderCell"></param>
/// <param name="rowindex"></param>
/// <returns></returns>
/// <remarks></remarks>
public static int GetHeightIncrementationLimit(this SfDataGrid sfGrid, CoveredCellInfo currHeaderCell, int rowindex)
{
if (rowindex < 0 || sfGrid.RowGenerator.Items.Count == 0)
{
return(0);
}
int incrementHeightLevel = 0;
var prevHeaderCells = (sfGrid.RowGenerator.Items.FirstOrDefault(row => row.RowIndex == rowindex) as SpannedDataRow).CoveredCells;
int index = -1;
foreach (var prevCell in prevHeaderCells)
{
//WPF-24997 We need to skip certain covered cells from setting height level which is not deals previous covered cells.
//Hence the below condition is added by comparing the left and right indexes of Current and Previous covered cells.
index++;
if ((prevCell.Left <= currHeaderCell.Right && prevCell.Right >= currHeaderCell.Left) || (prevCell.Left >= currHeaderCell.Right && prevCell.Right <= currHeaderCell.Left))
{
break;
}
//if (prevHeaderCells.IndexOf(prevCell) == prevHeaderCells.Count - 1)
if (index == prevHeaderCells.Count - 1)
{
incrementHeightLevel++;
incrementHeightLevel += sfGrid.GetHeightIncrementationLimit(currHeaderCell, rowindex - 1);
break;
}
}
if (prevHeaderCells.Count == 0)
{
incrementHeightLevel++;
incrementHeightLevel += sfGrid.GetHeightIncrementationLimit(currHeaderCell, rowindex - 1);
}
return(incrementHeightLevel);
}