/**
* Adds an image to this Cell.
*
* @param i the image to add
* @param left the left border
* @param right the right border
* @param extraHeight extra height to add above image
* @param alignment horizontal alignment (constant from Element class)
* @return the height of the image
*/
private float AddImage(Image i, float left, float right, float extraHeight, int alignment)
{
Image image = Image.GetInstance(i);
if (image.ScaledWidth > right - left)
{
image.ScaleToFit(right - left, float.MaxValue);
}
FlushCurrentLine();
if (line == null)
{
line = new PdfLine(left, right, alignment, leading);
}
PdfLine imageLine = line;
// left and right in chunk is relative to the start of the line
right = right - left;
left = 0f;
if ((image.Alignment & Image.RIGHT_ALIGN) == Image.RIGHT_ALIGN) // fix Uwe Zimmerman
{
left = right - image.ScaledWidth;
}
else if ((image.Alignment & Image.MIDDLE_ALIGN) == Image.MIDDLE_ALIGN)
{
left = left + ((right - left - image.ScaledWidth) / 2f);
}
Chunk imageChunk = new Chunk(image, left, 0);
imageLine.Add(new PdfChunk(imageChunk, null));
AddLine(imageLine);
return(imageLine.Height);
}
/**
* Creates a line from the chunk array.
* @param width the width of the line
* @return the line or null if no more chunks
*/
protected PdfLine CreateLine(float width)
{
if (chunks.Count == 0)
{
return(null);
}
splittedChunkText = null;
currentStandbyChunk = null;
PdfLine line = new PdfLine(0, width, alignment, 0);
string total;
for (currentChunkMarker = 0; currentChunkMarker < chunks.Count; ++currentChunkMarker)
{
PdfChunk original = (PdfChunk)(chunks[currentChunkMarker]);
total = original.ToString();
currentStandbyChunk = line.Add(original);
if (currentStandbyChunk != null)
{
splittedChunkText = original.ToString();
original.Value = total;
return(line);
}
}
return(line);
}
private void AddList(List list, float left, float right, int alignment)
{
PdfChunk chunk;
PdfChunk overflow;
ArrayList allActions = new ArrayList();
ProcessActions(list, null, allActions);
int aCounter = 0;
foreach (IElement ele in list.Items)
{
switch (ele.Type)
{
case Element.LISTITEM:
ListItem item = (ListItem)ele;
line = new PdfLine(left + item.IndentationLeft, right, alignment, item.Leading);
line.ListItem = item;
foreach (Chunk c in item.Chunks)
{
chunk = new PdfChunk(c, (PdfAction)(allActions[aCounter++]));
while ((overflow = line.Add(chunk)) != null)
{
AddLine(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, item.Leading);
chunk = overflow;
}
line.ResetAlignment();
AddLine(line);
line = new PdfLine(left + item.IndentationLeft, right, alignment, leading);
}
break;
case Element.LIST:
List sublist = (List)ele;
AddList(sublist, left + sublist.IndentationLeft, right, alignment);
break;
}
}
}
// constructors
/**
* Constructs a <CODE>PdfCell</CODE>-object.
*
* @param cell the original <CODE>Cell</CODE>
* @param rownumber the number of the <CODE>Row</CODE> the <CODE>Cell</CODE> was in.
* @param left the left border of the <CODE>PdfCell</CODE>
* @param right the right border of the <CODE>PdfCell</CODE>
* @param top the top border of the <CODE>PdfCell</CODE>
* @param cellspacing the cellspacing of the <CODE>Table</CODE>
* @param cellpadding the cellpadding of the <CODE>Table</CODE>
*/
public PdfCell(Cell cell, int rownumber, float left, float right, float top, float cellspacing, float cellpadding) : base(left, top, right, top)
{
// copying the other Rectangle attributes from class Cell
CloneNonPositionParameters(cell);
this.cellpadding = cellpadding;
this.cellspacing = cellspacing;
this.verticalAlignment = cell.VerticalAlignment;
this.useAscender = cell.UseAscender;
this.useDescender = cell.UseDescender;
this.useBorderPadding = cell.UseBorderPadding;
// initialisation of some parameters
PdfChunk chunk;
PdfChunk overflow;
lines = new ArrayList();
images = new ArrayList();
leading = cell.Leading;
int alignment = cell.HorizontalAlignment;
left += cellspacing + cellpadding;
right -= cellspacing + cellpadding;
left += GetBorderWidthInside(LEFT_BORDER);
right -= GetBorderWidthInside(RIGHT_BORDER);
contentHeight = 0;
rowspan = cell.Rowspan;
ArrayList allActions;
int aCounter;
// we loop over all the elements of the cell
foreach (IElement ele in cell.Elements)
{
switch (ele.Type)
{
case Element.JPEG:
case Element.JPEG2000:
case Element.JBIG2:
case Element.IMGRAW:
case Element.IMGTEMPLATE:
AddImage((Image)ele, left, right, 0.4f * leading, alignment);
break;
// if the element is a list
case Element.LIST:
if (line != null && line.Size > 0)
{
line.ResetAlignment();
AddLine(line);
}
// we loop over all the listitems
AddList((List)ele, left, right, alignment);
line = new PdfLine(left, right, alignment, leading);
break;
// if the element is something else
default:
allActions = new ArrayList();
ProcessActions(ele, null, allActions);
aCounter = 0;
float currentLineLeading = leading;
float currentLeft = left;
float currentRight = right;
if (ele is Phrase)
{
currentLineLeading = ((Phrase)ele).Leading;
}
if (ele is Paragraph)
{
Paragraph p = (Paragraph)ele;
currentLeft += p.IndentationLeft;
currentRight -= p.IndentationRight;
}
if (line == null)
{
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
}
// we loop over the chunks
ArrayList chunks = ele.Chunks;
if (chunks.Count == 0)
{
AddLine(line); // add empty line - all cells need some lines even if they are empty
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
}
else
{
foreach (Chunk c in chunks)
{
chunk = new PdfChunk(c, (PdfAction)allActions[aCounter++]);
while ((overflow = line.Add(chunk)) != null)
{
AddLine(line);
line = new PdfLine(currentLeft, currentRight, alignment, currentLineLeading);
chunk = overflow;
}
}
}
// if the element is a paragraph, section or chapter, we reset the alignment and add the line
switch (ele.Type)
{
case Element.PARAGRAPH:
case Element.SECTION:
case Element.CHAPTER:
line.ResetAlignment();
FlushCurrentLine();
break;
}
break;
}
}
FlushCurrentLine();
if (lines.Count > cell.MaxLines)
{
while (lines.Count > cell.MaxLines)
{
RemoveLine(lines.Count - 1);
}
if (cell.MaxLines > 0)
{
String more = cell.ShowTruncation;
if (more != null && more.Length > 0)
{
// Denote that the content has been truncated
lastLine = (PdfLine)lines[lines.Count - 1];
if (lastLine.Size >= 0)
{
PdfChunk lastChunk = lastLine.GetChunk(lastLine.Size - 1);
float moreWidth = new PdfChunk(more, lastChunk).Width;
while (lastChunk.ToString().Length > 0 && lastChunk.Width + moreWidth > right - left)
{
// Remove characters to leave room for the 'more' indicator
lastChunk.Value = lastChunk.ToString().Substring(0, lastChunk.Length - 1);
}
lastChunk.Value = lastChunk.ToString() + more;
}
else
{
lastLine.Add(new PdfChunk(new Chunk(more), null));
}
}
}
}
// we set some additional parameters
if (useDescender && lastLine != null)
{
contentHeight -= lastLine.Descender;
}
// adjust first line height so that it touches the top
if (lines.Count > 0)
{
firstLine = (PdfLine)lines[0];
float firstLineRealHeight = FirstLineRealHeight;
contentHeight -= firstLine.Height;
firstLine.height = firstLineRealHeight;
contentHeight += firstLineRealHeight;
}
float newBottom = top - contentHeight - (2f * Cellpadding) - (2f * Cellspacing);
newBottom -= GetBorderWidthInside(TOP_BORDER) + GetBorderWidthInside(BOTTOM_BORDER);
Bottom = newBottom;
this.rownumber = rownumber;
}
