protected void FillOCProperties(bool erase)
{
if (vOCProperties == null)
vOCProperties = new PdfOCProperties();
if (erase) {
vOCProperties.Remove(PdfName.OCGS);
vOCProperties.Remove(PdfName.D);
}
if (vOCProperties.Get(PdfName.OCGS) == null) {
PdfArray gr = new PdfArray();
foreach (PdfLayer layer in documentOCG.Keys) {
gr.Add(layer.Ref);
}
vOCProperties.Put(PdfName.OCGS, gr);
}
if (vOCProperties.Get(PdfName.D) != null)
return;
ArrayList docOrder = new ArrayList(documentOCGorder);
for (ListIterator it = new ListIterator(docOrder); it.HasNext();) {
PdfLayer layer = (PdfLayer)it.Next();
if (layer.Parent != null)
it.Remove();
}
PdfArray order = new PdfArray();
foreach (PdfLayer layer in docOrder) {
GetOCGOrder(order, layer);
}
PdfDictionary d = new PdfDictionary();
vOCProperties.Put(PdfName.D, d);
d.Put(PdfName.ORDER, order);
PdfArray grx = new PdfArray();
foreach (PdfLayer layer in documentOCG.Keys) {
if (!layer.On)
grx.Add(layer.Ref);
}
if (grx.Size > 0)
d.Put(PdfName.OFF, grx);
if (OCGRadioGroup.Size > 0)
d.Put(PdfName.RBGROUPS, OCGRadioGroup);
if (OCGLocked.Size > 0)
d.Put(PdfName.LOCKED, OCGLocked);
AddASEvent(PdfName.VIEW, PdfName.ZOOM);
AddASEvent(PdfName.VIEW, PdfName.VIEW);
AddASEvent(PdfName.PRINT, PdfName.PRINT);
AddASEvent(PdfName.EXPORT, PdfName.EXPORT);
d.Put(PdfName.LISTMODE, PdfName.VISIBLEPAGES);
}
/**
* Generates a list of numbers from a string.
* @param ranges the comma separated ranges
* @param maxNumber the maximum number in the range
* @return a list with the numbers as <CODE>Integer</CODE>
*/
public static ArrayList Expand(String ranges, int maxNumber)
{
SequenceList parse = new SequenceList(ranges);
ArrayList list = new ArrayList();
bool sair = false;
while (!sair) {
sair = parse.GetAttributes();
if (parse.low == -1 && parse.high == -1 && !parse.even && !parse.odd)
continue;
if (parse.low < 1)
parse.low = 1;
if (parse.high < 1 || parse.high > maxNumber)
parse.high = maxNumber;
if (parse.low > maxNumber)
parse.low = maxNumber;
//System.out.Println("low="+parse.low+",high="+parse.high+",odd="+parse.odd+",even="+parse.even+",inverse="+parse.inverse);
int inc = 1;
if (parse.inverse) {
if (parse.low > parse.high) {
int t = parse.low;
parse.low = parse.high;
parse.high = t;
}
for (ListIterator it = new ListIterator(list); it.HasNext();) {
int n = (int)it.Next();
if (parse.even && (n & 1) == 1)
continue;
if (parse.odd && (n & 1) == 0)
continue;
if (n >= parse.low && n <= parse.high)
it.Remove();
}
}
else {
if (parse.low > parse.high) {
inc = -1;
if (parse.odd || parse.even) {
--inc;
if (parse.even)
parse.low &= ~1;
else
parse.low -= ((parse.low & 1) == 1 ? 0 : 1);
}
for (int k = parse.low; k >= parse.high; k += inc) {
list.Add(k);
}
}
else {
if (parse.odd || parse.even) {
++inc;
if (parse.odd)
parse.low |= 1;
else
parse.low += ((parse.low & 1) == 1 ? 1 : 0);
}
for (int k = parse.low; k <= parse.high; k += inc)
list.Add(k);
}
}
}
return list;
}
/**
* Adds a new table to
* @param table Table to add. Rendered rows will be deleted after processing.
* @param onlyFirstPage Render only the first full page
* @throws DocumentException
*/
private void AddPdfTable(Table t)
{
// before every table, we flush all lines
FlushLines();
PdfTable table = new PdfTable(t, IndentLeft, IndentRight, IndentTop - currentHeight);
RenderingContext ctx = new RenderingContext();
ctx.pagetop = IndentTop;
ctx.oldHeight = currentHeight;
ctx.cellGraphics = new PdfContentByte(writer);
ctx.rowspanMap = new Hashtable();
ctx.table = table;
// initialisation of parameters
PdfCell cell;
// drawing the table
ArrayList headercells = table.HeaderCells;
ArrayList cells = table.Cells;
ArrayList rows = ExtractRows(cells, ctx);
bool isContinue = false;
while (cells.Count != 0) {
// initialisation of some extra parameters;
ctx.lostTableBottom = 0;
// loop over the cells
bool cellsShown = false;
// draw the cells (line by line)
ListIterator iterator = new ListIterator(rows);
bool atLeastOneFits = false;
while (iterator.HasNext()) {
ArrayList row = (ArrayList) iterator.Next();
AnalyzeRow(rows, ctx);
RenderCells(ctx, row, table.HasToFitPageCells() & atLeastOneFits);
if (!MayBeRemoved(row)) {
break;
}
ConsumeRowspan(row, ctx);
iterator.Remove();
atLeastOneFits = true;
}
// compose cells array list for subsequent code
cells.Clear();
Hashtable opt = new Hashtable();
foreach (ArrayList row in rows) {
foreach (PdfCell cellp in row) {
if (!opt.ContainsKey(cellp)) {
cells.Add(cellp);
opt[cellp] = null;
}
}
}
// we paint the graphics of the table after looping through all the cells
Rectangle tablerec = new Rectangle(table);
tablerec.Border = table.Border;
tablerec.BorderWidth = table.BorderWidth;
tablerec.BorderColor = table.BorderColor;
tablerec.BackgroundColor = table.BackgroundColor;
PdfContentByte under = writer.DirectContentUnder;
under.Rectangle(tablerec.GetRectangle(Top, IndentBottom));
under.Add(ctx.cellGraphics);
// bugfix by Gerald Fehringer: now again add the border for the table
// since it might have been covered by cell backgrounds
tablerec.BackgroundColor = null;
tablerec = tablerec.GetRectangle(Top, IndentBottom);
tablerec.Border = table.Border;
under.Rectangle(tablerec);
// end bugfix
ctx.cellGraphics = new PdfContentByte(null);
// if the table continues on the next page
if (rows.Count != 0) {
isContinue = true;
graphics.SetLineWidth(table.BorderWidth);
if (cellsShown && (table.Border & Rectangle.BOTTOM_BORDER) == Rectangle.BOTTOM_BORDER) {
// Draw the bottom line
// the color is set to the color of the element
Color tColor = table.BorderColor;
if (tColor != null) {
graphics.SetColorStroke(tColor);
}
graphics.MoveTo(table.Left, Math.Max(table.Bottom, IndentBottom));
graphics.LineTo(table.Right, Math.Max(table.Bottom, IndentBottom));
graphics.Stroke();
if (tColor != null) {
graphics.ResetRGBColorStroke();
}
}
// old page
pageEmpty = false;
float difference = ctx.lostTableBottom;
// new page
NewPage();
// G.F.: if something added in page event i.e. currentHeight > 0
float heightCorrection = 0;
bool somethingAdded = false;
if (currentHeight > 0) {
heightCorrection = 6;
currentHeight += heightCorrection;
somethingAdded = true;
NewLine();
FlushLines();
indentation.indentTop = currentHeight - leading;
currentHeight = 0;
}
else {
FlushLines();
}
// this part repeats the table headers (if any)
int size = headercells.Count;
if (size > 0) {
// this is the top of the headersection
cell = (PdfCell) headercells[0];
float oldTop = cell.GetTop(0);
// loop over all the cells of the table header
for (int ii = 0; ii < size; ii++) {
cell = (PdfCell) headercells[ii];
// calculation of the new cellpositions
cell.Top = IndentTop - oldTop + cell.GetTop(0);
cell.Bottom = IndentTop - oldTop + cell.GetBottom(0);
ctx.pagetop = cell.Bottom;
// we paint the borders of the cell
ctx.cellGraphics.Rectangle(cell.Rectangle(IndentTop, IndentBottom));
// we write the text of the cell
ArrayList images = cell.GetImages(IndentTop, IndentBottom);
foreach (Image image in images) {
cellsShown = true;
graphics.AddImage(image);
}
lines = cell.GetLines(IndentTop, IndentBottom);
float cellTop = cell.GetTop(IndentTop);
text.MoveText(0, cellTop-heightCorrection);
float cellDisplacement = FlushLines() - cellTop+heightCorrection;
text.MoveText(0, cellDisplacement);
}
currentHeight = IndentTop - ctx.pagetop + table.Cellspacing;
text.MoveText(0, ctx.pagetop - IndentTop - currentHeight);
}
else {
if (somethingAdded) {
ctx.pagetop = IndentTop;
text.MoveText(0, -table.Cellspacing);
}
}
ctx.oldHeight = currentHeight - heightCorrection;
// calculating the new positions of the table and the cells
size = Math.Min(cells.Count, table.Columns);
int i = 0;
while (i < size) {
cell = (PdfCell) cells[i];
if (cell.GetTop(-table.Cellspacing) > ctx.lostTableBottom) {
float newBottom = ctx.pagetop - difference + cell.Bottom;
float neededHeight = cell.RemainingHeight;
if (newBottom > ctx.pagetop - neededHeight) {
difference += newBottom - (ctx.pagetop - neededHeight);
}
}
i++;
}
size = cells.Count;
table.Top = IndentTop;
table.Bottom = ctx.pagetop - difference + table.GetBottom(table.Cellspacing);
for (i = 0; i < size; i++) {
cell = (PdfCell) cells[i];
float newBottom = ctx.pagetop - difference + cell.Bottom;
float newTop = ctx.pagetop - difference + cell.GetTop(-table.Cellspacing);
if (newTop > IndentTop - currentHeight) {
newTop = IndentTop - currentHeight;
}
cell.Top = newTop ;
cell.Bottom = newBottom ;
}
}
}
float tableHeight = table.Top - table.Bottom;
// bugfix by Adauto Martins when have more than two tables and more than one page
// If continuation of table in other page (bug report #1460051)
if (isContinue) {
currentHeight = tableHeight;
text.MoveText(0, -(tableHeight - (ctx.oldHeight * 2)));
}
else {
currentHeight = ctx.oldHeight + tableHeight;
text.MoveText(0, -tableHeight);
}
pageEmpty = false;
}
/**
* Removes the bookmark entries for a number of page ranges. The page ranges
* consists of a number of pairs with the start/end page range. The page numbers
* are inclusive.
* @param list the bookmarks
* @param pageRange the page ranges, always in pairs.
*/
public static void EliminatePages(ArrayList list, int[] pageRange)
{
if (list == null)
return;
for (ListIterator it = new ListIterator(list); it.HasNext();) {
Hashtable map = (Hashtable)it.Next();
bool hit = false;
if ("GoTo".Equals(map["Action"])) {
String page = (String)map["Page"];
if (page != null) {
page = page.Trim();
int idx = page.IndexOf(' ');
int pageNum;
if (idx < 0)
pageNum = int.Parse(page);
else
pageNum = int.Parse(page.Substring(0, idx));
int len = pageRange.Length & 0x7ffffffe;
for (int k = 0; k < len; k += 2) {
if (pageNum >= pageRange[k] && pageNum <= pageRange[k + 1]) {
hit = true;
break;
}
}
}
}
ArrayList kids = (ArrayList)map["Kids"];
if (kids != null) {
EliminatePages(kids, pageRange);
if (kids.Count == 0) {
map.Remove("Kids");
kids = null;
}
}
if (hit) {
if (kids == null)
it.Remove();
else {
map.Remove("Action");
map.Remove("Page");
map.Remove("Named");
}
}
}
}
protected internal ArrayList ExtractRows(ArrayList cells, RenderingContext ctx)
{
PdfCell cell;
PdfCell previousCell = null;
ArrayList rows = new ArrayList();
ArrayList rowCells = new ArrayList();
ListIterator iterator = new ListIterator(cells);
while (iterator.HasNext()) {
cell = (PdfCell) iterator.Next();
bool isAdded = false;
bool isEndOfRow = !iterator.HasNext();
bool isCurrentCellPartOfRow = !iterator.HasNext();
if (previousCell != null) {
if (cell.Left <= previousCell.Left) {
isEndOfRow = true;
isCurrentCellPartOfRow = false;
}
}
if (isCurrentCellPartOfRow) {
rowCells.Add(cell);
isAdded = true;
}
if (isEndOfRow) {
if (rowCells.Count != 0) {
// add to rowlist
rows.Add(rowCells);
}
// start a new list for next line
rowCells = new ArrayList();
}
if (!isAdded) {
rowCells.Add(cell);
}
previousCell = cell;
}
if (rowCells.Count != 0) {
rows.Add(rowCells);
}
// fill row information with rowspan cells to get complete "scan lines"
for (int i = rows.Count - 1; i >= 0; i--) {
ArrayList row = (ArrayList) rows[i];
// iterator through row
for (int j = 0; j < row.Count; j++) {
PdfCell c = (PdfCell) row[j];
int rowspan = c.Rowspan;
// fill in missing rowspan cells to complete "scan line"
for (int k = 1; k < rowspan && rows.Count < i+k; k++) {
ArrayList spannedRow = ((ArrayList) rows[i + k]);
if (spannedRow.Count > j)
spannedRow.Insert(j, c);
}
}
}
return rows;
}
