Example usage for com.itextpdf.text.pdf PdfStamper addNamedDestination

Introduction

In this page you can find the example usage for com.itextpdf.text.pdf PdfStamper addNamedDestination.

Prototype

public boolean addNamedDestination(final String name, final int page, final PdfDestination dest)
            throws IOException 

Source Link

Usage

From source file:be.roots.taconic.pricingguide.service.PDFServiceImpl.java

License:Open Source License

private byte[] stampTableOfContents(byte[] pdf, Toc tableOfContents) throws IOException, DocumentException {

    try (final ByteArrayOutputStream bos = new ByteArrayOutputStream()) {

        final PdfReader reader = new PdfReader(pdf);
        final PdfStamper stamper = new PdfStamper(reader, bos);

        // stamp the named destinations
        for (int pageNumber = 1; pageNumber <= reader.getNumberOfPages(); pageNumber++) {
            stamper.addNamedDestination("page" + pageNumber, pageNumber,
                    new PdfDestination(PdfDestination.XYZ, 80f, 800f, 0));
        }/*from  w w  w  .j  a v a 2  s  .com*/

        // create the table of contents
        final Chunk tocTitle = new Chunk("TABLE OF CONTENTS", iTextUtil.getFontTocTitle());

        int currentTocPage = tableOfContents.getFirstPageOfToc();
        int firstTocPage = currentTocPage;
        PdfContentByte canvas = stamper.getOverContent(currentTocPage);

        ColumnText.showTextAligned(canvas, Element.ALIGN_LEFT, new Phrase(tocTitle), 55, 470, 0);

        final List<TocEntry> entriesSorted = tableOfContents.getEntriesSorted();
        int tocEntryNumber = 0;
        for (TocEntry tocEntry : entriesSorted) {

            if (tocEntry.isIncludedInToc()) {
                tocEntryNumber++;

                // take the right TOC page to stamp the TOC entry on (needed for TOC's with multiple pages)
                if (tocEntryNumber == getNumberOfItemsPerTocPage(0)
                        || (tocEntryNumber > getNumberOfItemsPerTocPage(0)
                                && (tocEntryNumber - getNumberOfItemsPerTocPage(0))
                                        % getNumberOfItemsPerTocPage(currentTocPage - firstTocPage) == 0)) {
                    currentTocPage++;
                    canvas = stamper.getOverContent(currentTocPage);
                }

                Font font = iTextUtil.getFontToc();
                if (tocEntry.getLevel() == 1) {
                    font = iTextUtil.getFontTocBold();
                }

                final Phrase p = processHtmlCodes(tocEntry.getLevelString() + tocEntry.getName(), font,
                        iTextUtil.getFontTocSymbol());
                p.add(new Chunk("", iTextUtil.getFontToc()));
                if (tocEntry.isShowingPageNumber()) {
                    p.add(new Chunk(new DottedLineSeparator()));
                    p.add(new Chunk("  " + String.valueOf(tocEntry.getFinalPageNumber()),
                            iTextUtil.getFontToc()));
                }

                for (Chunk chunk : p.getChunks()) {
                    chunk.setAction(PdfAction.gotoLocalPage("page" + tocEntry.getFinalPageNumber(), false));
                }

                int y;
                if (tocEntryNumber < getNumberOfItemsPerTocPage(0)) {
                    y = 460 - (16 * (tocEntryNumber % getNumberOfItemsPerTocPage(0)));
                } else {
                    y = 680 - (16 * ((tocEntryNumber - getNumberOfItemsPerTocPage(0))
                            % getNumberOfItemsPerTocPage(currentTocPage - firstTocPage)));
                }

                final ColumnText ct = new ColumnText(canvas);
                ct.setSimpleColumn(p, 52, y, 555, 70, 0, Element.ALIGN_JUSTIFIED);
                ct.go();

            }
        }

        stamper.close();
        reader.close();

        return bos.toByteArray();

    }

}

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