/// <param name="node">Where to append (add) results</param>
public static void AddText(this RtfTreeNode node, string text)
{
foreach (char c in text)
{
uint cCode = (uint)c;
if (c == '\n')
{
node.AddKeyword("line");
}
else if (cCode <= 225)
{
node.AddKeyword(String.Format("\'{0:X}", cCode));
}
else if (cCode <= 32768)
{
node.AddKeyword("uc", 1);
node.AddKeyword(String.Format("u{0}*", cCode));
}
else if (cCode <= 65535)
{
node.AddKeyword("uc", 1);
node.AddKeyword(String.Format("u{0}*", cCode - 65536));
}
else
{
throw new NotSupportedException("Char code more than 16535 is not supported");
}
}
}
/// <summary>
/// Appends the definition of single table row
/// </summary>
/// <param name="node">Where to append the rtf elemenets (consider this as output)</param>
/// <param name="cells">the definitions of the cells</param>
public static void AddTableRow(this RtfTreeNode node, TextCell[] cells)
{
node.AddKeyword("trowd");
node.AddKeyword("trgaph", 400);
int borderOffset = 0;
foreach (var cell in cells)
{
borderOffset += cell.Width;
node.AddSingleBorder(cell.BorderWidth);
node.AddKeyword("cellx", borderOffset);
}
foreach (var cell in cells)
{
node.AddKeyword("pard");
switch (cell.TextAlignement)
{
case TextAlignement.Centered:
node.AddCommand("qc"); break;
case TextAlignement.Left:
node.AddCommand("ql"); break;
default:
throw new NotSupportedException("Unexpected alignment");
}
var grp = new RtfTreeNode(RtfNodeType.Group);
if (cell.IsBold)
{
grp.AddCommand("b");
}
node.AddKeyword("intbl");
grp.AddText(cell.Text);
node.AppendChild(grp);
node.AddKeyword("cell");
}
node.AddKeyword("row");
}
/// <summary>
/// Adds keywords that define single border
/// </summary>
/// <param name="width">border width in Twips</param>
public static void AddSingleBorder(this RtfTreeNode node, int width)
{
node.AddKeyword("clbrdrt");
node.AddKeyword("brdrw", width);
node.AddKeyword("brdrs");
node.AddKeyword("clbrdrl");
node.AddKeyword("brdrw", width);
node.AddKeyword("brdrs");
node.AddKeyword("clbrdrb");
node.AddKeyword("brdrw", width);
node.AddKeyword("brdrs");
node.AddKeyword("clbrdrr");
node.AddKeyword("brdrw", width);
node.AddKeyword("brdrs");
}