/// <summary>
/// Sets the number of columns, and column's widths.
/// </summary>
/// <param name="ColumnWidth">Array of column widths.</param>
/// <remarks>
/// <para>
/// The length of the array sets the number of columns.
/// </para>
/// <para>
/// This method builds two PdfTableCell arrays. One array for data cells, and
/// the other array for header cells.
/// </para>
/// <para>
/// The actual column widths will be calculated to fit the width of the table.
/// </para>
/// <para>
/// The calculation is done as follows. First the library calculates the amount
/// of net space available after border lines and grid lines width is taken off
/// the width of the table as specified in TableArea. Second, the net space is divided
/// in proportion to the requested widths.
/// </para>
/// </remarks>
public void SetColumnWidth
(
params double[] ColumnWidth
)
{
// save column width
if (_ColumnWidth != null || ColumnWidth == null || ColumnWidth.Length == 0)
{
throw new ApplicationException("PdfTable: SetColumnWidth invalid argument or already defined.");
}
_ColumnWidth = ColumnWidth;
// save number of columns
Columns = _ColumnWidth.Length;
// create cell and header arrays
_Cell = new PdfTableCell[Columns];
_Header = new PdfTableCell[Columns];
for (int Index = 0; Index < Columns; Index++)
{
_Cell[Index] = new PdfTableCell(this, Index, false);
_Header[Index] = new PdfTableCell(this, Index, true);
}
// vertical border control
Borders.BordersInitialization();
return;
}
/// <summary>
/// PdfTable initialization.
/// </summary>
/// <remarks>
/// Normally the system will call this method on first call to DrawRow().
/// If called by user it must be called after initialization and before
/// the first row is drawn. This method sets the active flag.
/// </remarks>
public void PdfTableInitialization()
{
// initialize table is done
if (Active)
{
return;
}
// make sure we have columns width array
if (_ColumnWidth == null)
{
throw new ApplicationException("PdfTable: SetColumnWidth array is missing.");
}
// net table width
double NetWidth = _TableArea.Width - Borders.HorizontalBordersTotalWidth();
// calculate column width adjustment factor
double Total = 0;
foreach (double Width in _ColumnWidth)
{
Total += Width;
}
double Factor = NetWidth / Total;
// create column position for border and grid lines
_ColumnPosition = new double[Columns + 1];
// initial border/grid position
double Position = _TableArea.Left;
// left border line position
_ColumnPosition[0] = Position;
// first column position and width
Position += Borders.VertBorderHalfWidth[0];
PdfTableCell CellZero = _Cell[0];
CellZero.FrameLeft = Position;
CellZero.FrameWidth = _ColumnWidth[0] * Factor;
// first grid line position
Position += CellZero.FrameWidth + Borders.VertBorderHalfWidth[1];
// column width and position
for (int Index = 1; Index < Columns; Index++)
{
// shortcut
PdfTableCell Cell = _Cell[Index];
// column net width
Cell.FrameWidth = _ColumnWidth[Index] * Factor;
// grid line position
_ColumnPosition[Index] = Position;
// cell left position
Position += Borders.VertBorderHalfWidth[Index];
Cell.FrameLeft = Position;
// next grid line position
Position += Cell.FrameWidth + Borders.VertBorderHalfWidth[Index + 1];
}
// last grid line position
_ColumnPosition[Columns] = Position;
// columns width after adjustments
for (int Index = 0; Index < Columns; Index++)
{
_ColumnWidth[Index] = _ColumnPosition[Index + 1] - _ColumnPosition[Index];
}
// copy horizontal info from cell to header
for (int Index = 0; Index < Columns; Index++)
{
// shortcut
PdfTableCell Cell = _Cell[Index];
PdfTableCell Header = _Header[Index];
Header.FrameLeft = Cell.FrameLeft;
Header.FrameWidth = Cell.FrameWidth;
}
// user did not define initial row position
if (_RowTopPosition == 0)
{
_RowTopPosition = _TableArea.Top;
}
// make sure initial row position is within table area
else if (_RowTopPosition < _TableArea.Bottom || _RowTopPosition > _TableArea.Top)
{
throw new ApplicationException("PdfTable: Initial RowPosition outside table area.");
}
// border positions for border drawing
BorderHeaderActive = false;
BorderYPos = new List <double>();
BorderYPos.Add(_RowTopPosition);
BorderRowTopPos = _RowTopPosition;
BorderLeftPos = TableArea.Left - Borders.VertBorderHalfWidth[0];
BorderRightPos = TableArea.Right + Borders.VertBorderHalfWidth[Columns];
// initial row position
_RowTopPosition -= Borders.TopBorder.HalfWidth;
// table top and bottom limit for compare
TableTopLimit = TableArea.Top - Borders.TopBorder.HalfWidth;
TableBottomLimit = TableArea.Bottom + Borders.BottomBorder.HalfWidth;
// initialization is done, PdfTable is ready to draw
Active = true;
return;
}
// calculate row or header height
private Double CalculateRowHeight(
PdfTableCell[] CellOrHeader
)
{
// initial row height
Double RowHeight = MinRowHeight;
// loop through all cells
foreach(PdfTableCell Cell in CellOrHeader)
{
// calculate cell height
Double CellHeight = Cell.DrawCellInitialization();
// adjust row height if required
if(CellHeight > RowHeight) RowHeight = CellHeight;
}
return(RowHeight);
}
/// <summary>
/// Sets the number of columns, and column's widths.
/// </summary>
/// <param name="ColumnWidth">Array of column widths.</param>
/// <remarks>
/// <para>
/// The length of the array sets the number of columns.
/// </para>
/// <para>
/// This method builds two PdfTableCell arrays. One array for data cells, and
/// the other array for header cells.
/// </para>
/// <para>
/// The actual column widths will be calculated to fit the width of the table.
/// </para>
/// <para>
/// The calculation is done as follows. First the library calculates the amount
/// of net space available after border lines and grid lines width is taken off
/// the width of the table as specified in TableArea. Second, the net space is divided
/// in proportion to the requested widths.
/// </para>
/// </remarks>
public void SetColumnWidth(
params Double[] ColumnWidth
)
{
// save column width
if(_ColumnWidth != null || ColumnWidth == null || ColumnWidth.Length == 0) throw new ApplicationException("PdfTable: SetColumnWidth invalid argument or already defined.");
_ColumnWidth = ColumnWidth;
// save number of columns
Columns = _ColumnWidth.Length;
// create cell and header arrays
_Cell = new PdfTableCell[Columns];
_Header = new PdfTableCell[Columns];
for(Int32 Index = 0; Index < Columns; Index++)
{
_Cell[Index] = new PdfTableCell(this, Index, false);
_Header[Index] = new PdfTableCell(this, Index, true);
}
// vertical border control
Borders.BordersInitialization();
return;
}
