private void AdjustSpannedCellWidth(TableCellData cell)
{
if (!AdjustSpannedCellsWidth)
{
return;
}
// check that spanned cell has enough width
float columnsWidth = 0;
for (int i = 0; i < cell.ColSpan; i++)
{
columnsWidth += Columns[cell.Address.X + i].Width;
}
// if cell is bigger than sum of column width, increase the last column width
float cellWidth = cell.CalcWidth();
if (columnsWidth < cellWidth)
{
Columns[cell.Address.X + cell.ColSpan - 1].Width += cellWidth - columnsWidth;
}
}
/// <summary>
/// Calculates and returns the table width, in pixels.
/// </summary>
public float CalcWidth()
{
// first pass, calc non-spanned cells
for (int x = 0; x < Columns.Count; x++)
{
TableColumn column = Columns[x];
if (!column.AutoSize)
{
continue;
}
float columnWidth = IsDesigning ? 16 : -1;
// calc the max column width
for (int y = 0; y < Rows.Count; y++)
{
TableCellData cell = GetCellData(x, y);
if (cell.ColSpan == 1)
{
float cellWidth = cell.CalcWidth();
if (cellWidth > columnWidth)
{
columnWidth = cellWidth;
}
}
}
// update column width
if (columnWidth != -1)
{
column.Width = columnWidth;
}
}
// second pass, calc spanned cells
for (int x = 0; x < Columns.Count; x++)
{
Columns[x].MinimumBreakWidth = 0;
for (int y = 0; y < Rows.Count; y++)
{
TableCellData cell = GetCellData(x, y);
if (cell.ColSpan > 1)
{
float cellWidth = cell.CalcWidth();
if (AdjustSpannedCellsWidth && cellWidth > Columns[x].MinimumBreakWidth)
{
Columns[x].MinimumBreakWidth = cellWidth;
}
// check that spanned columns have enough width
float columnsWidth = 0;
for (int i = 0; i < cell.ColSpan; i++)
{
columnsWidth += Columns[x + i].Width;
}
// if cell is bigger than sum of column width, increase the last column width
TableColumn lastColumn = Columns[x + cell.ColSpan - 1];
if (columnsWidth < cellWidth && lastColumn.AutoSize)
{
lastColumn.Width += cellWidth - columnsWidth;
}
}
}
}
// finally, calculate the table width
float width = 0;
for (int i = 0; i < Columns.Count; i++)
{
width += Columns[i].Width;
}
lockColumnRowChange = true;
Width = width;
lockColumnRowChange = false;
return(width);
}