/// <summary>
/// Internal use only.
/// Constructor.
/// </summary>
/// <param name="representative">
/// Representative cell for the cell.
/// (Usually the one located at top left corner of the group of merged cell.)
/// </param>
/// <param name="rowSpan">Number of rows that this group of merged cells spans.</param>
/// <param name="colSpan">Number of columns that this group of merged cells spans.</param>
/// <param name="rowIndex">
/// The relative row index of the cell within this group
/// of merged cells.
/// </param>
/// <param name="colIndex">
/// The relative column index of the cell within this group
/// of merged cells.
/// </param>
internal CellMergeInfo(RtfTableCell representative, int rowSpan, int colSpan,
int rowIndex, int colIndex)
{
Representative = representative;
RowSpan = rowSpan;
ColSpan = colSpan;
RowIndex = rowIndex;
ColIndex = colIndex;
}
private void ValidateMergedCellBorders(RtfTableCell representative)
{
if (!representative.IsMerged)
{
throw new Exception("Invalid representative (cell is not merged).");
}
ValidateMergedCellBorder(representative, Direction.Top);
ValidateMergedCellBorder(representative, Direction.Right);
ValidateMergedCellBorder(representative, Direction.Bottom);
ValidateMergedCellBorder(representative, Direction.Left);
}
public RtfTable(int rowCount, int colCount, float horizontalWidth, float fontSize)
{
_fontSize = fontSize;
_alignment = Align.None;
_margins = new Margins();
RowCount = rowCount;
ColCount = colCount;
_representativeList = new List <RtfTableCell>();
_startNewPage = false;
TitleRowCount = 0;
CellPadding = new Margins[RowCount];
if (RowCount < 1 || ColCount < 1)
{
throw new Exception("The number of rows or columns is less than 1.");
}
HeaderBackgroundColor = null;
RowBackgroundColor = null;
RowAltBackgroundColor = null;
// Set cell default width according to paper width
_defaultCellWidth = horizontalWidth / colCount;
_cells = new RtfTableCell[RowCount][];
_rowHeight = new float[RowCount];
_rowKeepInSamePage = new bool[RowCount];
for (var i = 0; i < RowCount; i++)
{
_cells[i] = new RtfTableCell[ColCount];
_rowHeight[i] = 0F;
_rowKeepInSamePage[i] = false;
CellPadding[i] = new Margins();
for (var j = 0; j < ColCount; j++)
{
_cells[i][j] = new RtfTableCell(_defaultCellWidth, i, j, this);
}
}
}
private void ValidateMergedCellBorder(RtfTableCell representative, Direction dir)
{
if (!representative.IsMerged)
{
throw new Exception("Invalid representative (cell is not merged).");
}
var stat = new Dictionary <Border, int>();
Border majorityBorder;
int majorityCount;
var limit = dir == Direction.Top || dir == Direction.Bottom
? representative.MergeInfo.ColSpan
: representative.MergeInfo.RowSpan;
for (var i = 0; i < limit; i++)
{
int r, c;
Border bdr;
if (dir == Direction.Top || dir == Direction.Bottom)
{
if (dir == Direction.Top)
{
r = 0;
}
else
{
r = representative.MergeInfo.RowSpan - 1;
}
c = i;
}
else
{
// dir == right || left
if (dir == Direction.Right)
{
c = representative.MergeInfo.ColSpan - 1;
}
else
{
c = 0;
}
r = i;
}
bdr = _cells[representative.RowIndex + r][representative.ColIndex + c].Borders[dir];
if (stat.ContainsKey(bdr))
{
stat[bdr] = stat[bdr] + 1;
}
else
{
stat[bdr] = 1;
}
}
majorityCount = -1;
majorityBorder = representative.Borders[dir];
foreach (var de in stat)
{
if (de.Value > majorityCount)
{
majorityCount = de.Value;
majorityBorder.Style = de.Key.Style;
majorityBorder.Width = de.Key.Width;
majorityBorder.Color = de.Key.Color;
}
}
}