private void UpdateTableCells(DomTable table, bool fixTableCellSize)
{
// Number of table column
var columns = 0;
// Flag of cell merge
var merge = false;
// Right position of all cells
var rights = new ArrayList();
// Right position of table
var tableLeft = 0;
for (var count = table.Elements.Count - 1; count >= 0; count--)
{
var tableRow = (DomTableRow) table.Elements[count];
if (tableRow.Elements.Count == 0)
table.Elements.RemoveAt(count);
}
if (table.Elements.Count == 0)
Debug.WriteLine("");
foreach (DomTableRow tableRow in table.Elements)
{
var lastCellX = 0;
columns = Math.Max(columns, tableRow.Elements.Count);
if (tableRow.HasAttribute(Consts.Irow))
{
tableRow.RowIndex = tableRow.Attributes[Consts.Irow];
}
tableRow.IsLastRow = tableRow.HasAttribute(Consts.Lastrow);
tableRow.Header = tableRow.HasAttribute(Consts.Trhdr);
// Read row height
if (tableRow.HasAttribute(Consts.Trrh))
{
tableRow.Height = tableRow.Attributes[Consts.Trrh];
if (tableRow.Height == 0)
tableRow.Height = DefaultRowHeight;
else if (tableRow.Height < 0)
tableRow.Height = -tableRow.Height;
}
else
tableRow.Height = DefaultRowHeight;
// Read default padding of cell
tableRow.PaddingLeft = tableRow.HasAttribute(Consts.Trpaddl) ? tableRow.Attributes[Consts.Trpaddl] : int.MinValue;
tableRow.PaddingTop = tableRow.HasAttribute(Consts.Trpaddt) ? tableRow.Attributes[Consts.Trpaddt] : int.MinValue;
tableRow.PaddingRight = tableRow.HasAttribute(Consts.Trpaddr) ? tableRow.Attributes[Consts.Trpaddr] : int.MinValue;
tableRow.PaddingBottom = tableRow.HasAttribute(Consts.Trpaddb) ? tableRow.Attributes[Consts.Trpaddb] : int.MinValue;
if (tableRow.HasAttribute(Consts.Trleft))
tableLeft = tableRow.Attributes[Consts.Trleft];
if (tableRow.HasAttribute(Consts.Trcbpat))
tableRow.Format.BackColor = ColorTable.GetColor(
tableRow.Attributes[Consts.Trcbpat],
Color.Transparent);
var widthCount = 0;
foreach (DomTableCell cell in tableRow.Elements)
{
// Set cell's dispaly format
if (cell.HasAttribute(Consts.Clvmgf))
merge = true;
if (cell.HasAttribute(Consts.Clvmrg))
merge = true;
cell.PaddingLeft = cell.HasAttribute(Consts.Clpadl) ? cell.Attributes[Consts.Clpadl] : int.MinValue;
cell.PaddingRight = cell.HasAttribute(Consts.Clpadr) ? cell.Attributes[Consts.Clpadr] : int.MinValue;
cell.PaddingTop = cell.HasAttribute(Consts.Clpadt) ? cell.Attributes[Consts.Clpadt] : int.MinValue;
cell.PaddingBottom = cell.HasAttribute(Consts.Clpadb) ? cell.Attributes[Consts.Clpadb] : int.MinValue;
// Whether display border line
cell.Format.LeftBorder = cell.HasAttribute(Consts.Clbrdrl);
cell.Format.TopBorder = cell.HasAttribute(Consts.Clbrdrt);
cell.Format.RightBorder = cell.HasAttribute(Consts.Clbrdrr);
cell.Format.BottomBorder = cell.HasAttribute(Consts.Clbrdrb);
if (cell.HasAttribute(Consts.Brdrcf))
{
cell.Format.BorderColor = ColorTable.GetColor(
cell.GetAttributeValue(Consts.Brdrcf, 1),
Color.Black);
}
for (var count = cell.Attributes.Count - 1; count >= 0; count--)
{
var name3 = cell.Attributes.GetItem(count).Name;
if (name3 == Consts.Brdrtbl
|| name3 == Consts.Brdrnone
|| name3 == Consts.Brdrnil)
{
for (var count2 = count - 1; count2 >= 0; count2--)
{
var name2 = cell.Attributes.GetItem(count2).Name;
if (name2 == Consts.Clbrdrl)
{
cell.Format.LeftBorder = false;
break;
}
if (name2 == Consts.Clbrdrt)
{
cell.Format.TopBorder = false;
break;
}
if (name2 == Consts.Clbrdrr)
{
cell.Format.RightBorder = false;
break;
}
if (name2 == Consts.Clbrdrb)
{
cell.Format.BottomBorder = false;
break;
}
}
}
}
// Vertial alignment
if (cell.HasAttribute(Consts.Clvertalt))
cell.VerticalAlignment = RtfVerticalAlignment.Top;
else if (cell.HasAttribute(Consts.Clvertalc))
cell.VerticalAlignment = RtfVerticalAlignment.Middle;
else if (cell.HasAttribute(Consts.Clvertalb))
cell.VerticalAlignment = RtfVerticalAlignment.Bottom;
// Background color
cell.Format.BackColor = cell.HasAttribute(Consts.Clcbpat) ? ColorTable.GetColor(cell.Attributes[Consts.Clcbpat], Color.Transparent) : Color.Transparent;
if (cell.HasAttribute(Consts.Clcfpat))
cell.Format.BorderColor = ColorTable.GetColor(cell.Attributes[Consts.Clcfpat], Color.Black);
// Cell's width
var cellWidth = 2763; // cell's default with is 2763 Twips(570 Document)
if (cell.HasAttribute(Consts.Cellx))
{
cellWidth = cell.Attributes[Consts.Cellx] - lastCellX;
if (cellWidth < 100)
cellWidth = 100;
}
var right = lastCellX + cellWidth;
// fix cell's right position , if this position is very near with another cell's
// right position( less then 45 twips or 3 pixel), then consider these two position
// is the same , this can decrease number of table columns
foreach (var t in rights)
{
if (Math.Abs(right - (int) t) < 45)
{
right = (int) t;
cellWidth = right - lastCellX;
break;
}
}
cell.Left = lastCellX;
cell.Width = cellWidth;
widthCount += cellWidth;
if (rights.Contains(right) == false)
{
// becase of convert twips to unit of document may cause truncation error.
// This may cause rights.Contains mistake . so scale cell's with with
// native twips unit , after all computing , convert to unit of document.
rights.Add(right);
}
lastCellX = lastCellX + cellWidth;
} //foreach
tableRow.Width = widthCount;
} //foreach
if (rights.Count == 0)
{
// can not detect cell's width , so consider set cell's width
// automatic, then set cell's default width.
var cols = 1;
foreach (DomTableRow row in table.Elements)
cols = Math.Max(cols, row.Elements.Count);
var w = ClientWidth/cols;
for (var count = 0; count < cols; count++)
rights.Add(count*w + w);
}
// Computing cell's rowspan and colspan , number of rights array is the number of table columns.
rights.Add(0);
rights.Sort();
// Add table column instance
for (var count = 1; count < rights.Count; count++)
{
var col = new DomTableColumn {Width = (int) rights[count] - (int) rights[count - 1]};
table.Columns.Add(col);
}
for (var rowIndex = 1; rowIndex < table.Elements.Count; rowIndex++)
{
var row = (DomTableRow) table.Elements[rowIndex];
for (var colIndex = 0; colIndex < row.Elements.Count; colIndex++)
{
var cell = (DomTableCell) row.Elements[colIndex];
if (cell.Width == 0)
{
// If current cell not special width , then use the width of cell which
// in the same colum and in the last row
var preRow = (DomTableRow) table.Elements[rowIndex - 1];
if (preRow.Elements.Count > colIndex)
{
var preCell = (DomTableCell) preRow.Elements[colIndex];
cell.Left = preCell.Left;
cell.Width = preCell.Width;
CopyStyleAttribute(cell, preCell.Attributes);
}
}
}
}
if (merge == false)
{
// If not detect cell merge , maby exist cell merge in the same row
foreach (DomTableRow row in table.Elements)
{
if (row.Elements.Count < table.Columns.Count)
{
// If number of row's cells not equals the number of table's columns
// then exist cell merge.
merge = true;
break;
}
}
}
if (merge)
{
// Detect cell merge , begin merge operation
// Because of in rtf format,cell which merged by another cell in the same row ,
// does no written in rtf text , so delay create those cell instance .
foreach (DomTableRow row in table.Elements)
{
if (row.Elements.Count != table.Columns.Count)
{
// If number of row's cells not equals number of table's columns ,
// then consider there are hanppend horizontal merge.
var cells = row.Elements.ToArray();
foreach (var domElement in cells)
{
var cell = (DomTableCell) domElement;
var index = rights.IndexOf(cell.Left);
var index2 = rights.IndexOf(cell.Left + cell.Width);
var intColSpan = index2 - index;
// detect vertical merge
var verticalMerge = cell.HasAttribute(Consts.Clvmrg);
if (verticalMerge == false)
{
// If this cell does not merged by another cell abover ,
// then set colspan
cell.ColSpan = intColSpan;
}
if (row.Elements.LastElement == cell)
{
cell.ColSpan = table.Columns.Count - row.Elements.Count + 1;
intColSpan = cell.ColSpan;
}
for (var count = 0; count < intColSpan - 1; count++)
{
var newCell = new DomTableCell {Attributes = cell.Attributes.Clone()};
row.Elements.Insert(row.Elements.IndexOf(cell) + 1, newCell);
if (verticalMerge)
{
// This cell has been merged.
newCell.Attributes[Consts.Clvmrg] = 1;
newCell.OverrideCell = cell;
}
}
}
if (row.Elements.Count != table.Columns.Count)
{
// If the last cell has been merged. then supply new cells.
var lastCell = (DomTableCell) row.Elements.LastElement;
if (lastCell == null)
Console.WriteLine("");
for (var count = row.Elements.Count; count < rights.Count; count++)
{
var newCell = new DomTableCell();
if (lastCell != null) CopyStyleAttribute(newCell, lastCell.Attributes);
row.Elements.Add(newCell);
}
}
}
}
// Set cell's vertial merge.
foreach (DomTableRow tableRow in table.Elements)
{
foreach (DomTableCell tableCell in tableRow.Elements)
{
if (tableCell.HasAttribute(Consts.Clvmgf) == false)
{
//if this cell does not mark vertial merge , then next cell
continue;
}
// if this cell mark vertial merge.
var colIndex = tableRow.Elements.IndexOf(tableCell);
for (var rowIndex = table.Elements.IndexOf(tableRow) + 1;
rowIndex < table.Elements.Count;
rowIndex++)
{
var row2 = (DomTableRow) table.Elements[rowIndex];
if (colIndex >= row2.Elements.Count)
{
Console.Write("");
}
var cell2 = (DomTableCell) row2.Elements[colIndex];
if (cell2.HasAttribute(Consts.Clvmrg))
{
if (cell2.OverrideCell != null)
// If this cell has been merge by another cell( must in the same row )
// then break the circle
break;
// Increase vertial merge.
tableCell.RowSpan++;
cell2.OverrideCell = tableCell;
}
else
// if this cell not mark merged by another cell , then break the circel
break;
}
}
}
// Set cell's OverridedCell information
foreach (DomTableRow tableRow in table.Elements)
{
foreach (DomTableCell tableCell in tableRow.Elements)
{
if (tableCell.RowSpan > 1 || tableCell.ColSpan > 1)
{
for (var rowIndex = 1; rowIndex <= tableCell.RowSpan; rowIndex++)
{
for (var colIndex = 1; colIndex <= tableCell.ColSpan; colIndex++)
{
var r = table.Elements.IndexOf(tableRow) + rowIndex - 1;
var c = tableRow.Elements.IndexOf(tableCell) + colIndex - 1;
var cell2 = (DomTableCell) table.Elements[r].Elements[c];
if (tableCell != cell2)
{
cell2.OverrideCell = tableCell;
}
}
}
}
}
}
}
if (fixTableCellSize)
{
// Fix table's left position use the first table column
if (table.Columns.Count > 0)
((DomTableColumn) table.Columns[0]).Width -= tableLeft;
}
}
/// <summary>
/// Create table
/// </summary>
/// <param name="rows">table rows</param>
/// <returns>new table</returns>
private DomTable CreateTable(ArrayList rows)
{
if (rows.Count > 0)
{
var table = new DomTable();
var index = 0;
foreach (DomTableRow row in rows)
{
row.RowIndex = index;
index++;
table.AppendChild(row);
}
rows.Clear();
foreach (DomTableRow tableRow in table.Elements)
{
foreach (DomTableCell cell in tableRow.Elements)
CombineTable(cell);
}
return table;
}
throw new ArgumentException("rows");
}