/**
* Splits a row to newHeight.
* The returned row is the remainder. It will return null if the newHeight
* was so small that only an empty row would result.
*
* @param new_height the new height
* @return the remainder row or null if the newHeight was so small that only
* an empty row would result
*/
public PdfPRow SplitRow(PdfPTable table, int rowIndex, float new_height)
{
PdfPCell[] newCells = new PdfPCell[cells.Length];
float[] fixHs = new float[cells.Length];
float[] minHs = new float[cells.Length];
bool allEmpty = true;
for (int k = 0; k < cells.Length; ++k)
{
float newHeight = new_height;
PdfPCell cell = cells[k];
if (cell == null)
{
int index = rowIndex;
if (table.RowSpanAbove(index, k))
{
newHeight += table.GetRowHeight(index);
while (table.RowSpanAbove(--index, k))
{
newHeight += table.GetRowHeight(index);
}
PdfPRow row = table.GetRow(index);
if (row != null && row.GetCells()[k] != null)
{
newCells[k] = new PdfPCell(row.GetCells()[k]);
newCells[k].ConsumeHeight(newHeight);
newCells[k].Rowspan = row.GetCells()[k].Rowspan - rowIndex + index;
allEmpty = false;
}
}
continue;
}
fixHs[k] = cell.FixedHeight;
minHs[k] = cell.MinimumHeight;
Image img = cell.Image;
PdfPCell newCell = new PdfPCell(cell);
if (img != null)
{
if (newHeight > cell.EffectivePaddingBottom + cell.EffectivePaddingTop + 2)
{
newCell.Phrase = null;
allEmpty = false;
}
}
else
{
float y;
ColumnText ct = ColumnText.Duplicate(cell.Column);
float left = cell.Left + cell.EffectivePaddingLeft;
float bottom = cell.Top + cell.EffectivePaddingBottom - newHeight;
float right = cell.Right - cell.EffectivePaddingRight;
float top = cell.Top - cell.EffectivePaddingTop;
switch (cell.Rotation)
{
case 90:
case 270:
y = SetColumn(ct, bottom, left, top, right);
break;
default:
y = SetColumn(ct, left, bottom, cell.NoWrap ? RIGHT_LIMIT : right, top);
break;
}
int status;
status = ct.Go(true);
bool thisEmpty = (ct.YLine == y);
if (thisEmpty)
{
newCell.Column = ColumnText.Duplicate(cell.Column);
ct.FilledWidth = 0;
}
else if ((status & ColumnText.NO_MORE_TEXT) == 0)
{
newCell.Column = ct;
ct.FilledWidth = 0;
}
else
{
newCell.Phrase = null;
}
allEmpty = (allEmpty && thisEmpty);
}
newCells[k] = newCell;
cell.FixedHeight = newHeight;
}
if (allEmpty)
{
for (int k = 0; k < cells.Length; ++k)
{
PdfPCell cell = cells[k];
if (cell == null)
{
continue;
}
if (fixHs[k] > 0)
{
cell.FixedHeight = fixHs[k];
}
else
{
cell.MinimumHeight = minHs[k];
}
}
return(null);
}
CalculateHeights();
PdfPRow split = new PdfPRow(newCells);
split.widths = (float[])widths.Clone();
split.CalculateHeights();
return(split);
}