private static void ResolveBorder(CellStyle bordersStyle, MergedCellRange mergedRange, IndividualBorder borderId, int row, int column, int rowInc, int colInc)
{
CellBorder border = bordersStyle.Borders[borderId];
bool flag = true;
while (row < mergedRange.Height)
{
if (column >= mergedRange.Width)
{
return;
}
CellBorder border2 = mergedRange[row, column].Style.Borders[borderId];
if (flag)
{
border.LineStyle = border2.LineStyle;
border.LineColor = border2.LineColor;
flag = false;
}
else if ((border2.LineStyle != border.LineStyle) || (border2.LineColor != border.LineColor))
{
border.LineStyle = LineStyle.None;
border.LineColor = Color.Empty;
return;
}
row += rowInc;
column += colInc;
}
}
internal void Add(MergedCellRange mergedRange)
{
if (mergedRange.IsAnyCellMerged)
{
throw new ArgumentException("New merged range can't overlap with existing merged range.");
}
this.AddInternal(mergedRange);
CellStyle bordersStyle = new CellStyle();
ResolveBorder(bordersStyle, mergedRange, IndividualBorder.Top, 0, 0, 0, 1);
ResolveBorder(bordersStyle, mergedRange, IndividualBorder.Left, 0, 0, 1, 0);
ResolveBorder(bordersStyle, mergedRange, IndividualBorder.Bottom, mergedRange.Height - 1, 0, 0, 1);
ResolveBorder(bordersStyle, mergedRange, IndividualBorder.Right, 0, mergedRange.Width - 1, 1, 0);
bool flag = false;
CellStyle style = null;
foreach (ExcelCell cell in mergedRange)
{
if (!flag)
{
if (!cell.IsStyleDefault)
{
style = cell.Style;
}
flag = true;
}
cell.AddToMergedRange(mergedRange);
}
if ((mergedRange.Value == null) && (style != null))
{
mergedRange.Style = style;
}
mergedRange.Style.Borders = bordersStyle.Borders;
}
internal void Remove(MergedCellRange mergedRange)
{
this.items.Remove(mergedRange);
foreach (ExcelCell cell in mergedRange)
{
cell.RemoveFromMergedRange();
}
}
internal void RemoveFromMergedRange()
{
MergedCellRange cellValue = this.cellValue as MergedCellRange;
if (cellValue == null)
{
throw new Exception("Internal error: cell is not merged.");
}
this.cellValue = cellValue.ValueInternal;
this.style = cellValue.Style;
}
internal void AddToMergedRange(MergedCellRange mergedRange)
{
if ((mergedRange.Value == null) && (this.cellValue != null))
{
mergedRange.ValueInternal = this.cellValue;
if ((this.style != null) && !this.style.IsDefault)
{
mergedRange.Style = this.style;
}
}
this.AddToMergedRangeInternal(mergedRange);
}
public override void SetBorders(MultipleBorders multipleBorders, Color lineColor, LineStyle lineStyle)
{
MergedCellRange mergedRange = this.MergedRange;
if (mergedRange != null)
{
mergedRange.SetBorders(multipleBorders, lineColor, lineStyle);
}
else
{
for (int i = this.firstRow; i <= this.lastRow; i++)
{
for (int j = this.firstColumn; j <= this.lastColumn; j++)
{
MultipleBorders borders = multipleBorders;
if (i < this.lastRow)
{
borders &= ~MultipleBorders.Bottom;
}
if (i > this.firstRow)
{
borders &= ~MultipleBorders.Top;
}
if (j < this.lastColumn)
{
borders &= ~MultipleBorders.Right;
}
if (j > this.firstColumn)
{
borders &= ~MultipleBorders.Left;
}
base.Parent.Rows[i].AllocatedCells[j].SetBorders(borders, lineColor, lineStyle);
}
}
}
}
internal MergedCellRange(ExcelWorksheet parent, MergedCellRange sourceMRange) : base(parent, sourceMRange.FirstRowIndex, sourceMRange.FirstColumnIndex, sourceMRange.LastRowIndex, sourceMRange.LastColumnIndex)
{
this.cellValue = sourceMRange.ValueInternal;
this.Style = sourceMRange.Style;
}
internal void AddToMergedRangeInternal(MergedCellRange mergedRange)
{
this.cellValue = mergedRange;
}
internal void AddInternal(MergedCellRange mergedRange)
{
this.items.Add(mergedRange, mergedRange);
}