Example usage for com.lowagie.text.pdf ColumnText NO_MORE_TEXT

Introduction

In this page you can find the example usage for com.lowagie.text.pdf ColumnText NO_MORE_TEXT.

Prototype

int NO_MORE_TEXT

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Document

Signals that there is no more text available.

Usage

From source file:org.areasy.common.doclet.document.Index.java

License:Open Source License

/**
 * Creates a simple alphabetical index of all
 * classes and members of the API./*from w ww  .  j av a  2 s  .  co  m*/
 *
 * @throws Exception If the Index could not be created.
 */
public void create() throws Exception {
    if (!DefaultConfiguration.getBooleanConfigValue(ARG_CREATE_INDEX, false)) {
        log.trace("Index creation disabled.");
        return;
    }

    log.trace("Start creating Index...");

    State.setCurrentHeaderType(HEADER_INDEX);
    State.increasePackageChapter();

    // Name of the package (large font)
    pdfDocument.newPage();

    // Create "Index" bookmark
    String label = DefaultConfiguration.getString(ARG_LB_OUTLINE_INDEX, LB_INDEX);
    String dest = "INDEX:";
    Bookmarks.addRootBookmark(label, dest);
    Chunk indexChunk = new Chunk(label, Fonts.getFont(TEXT_FONT, BOLD, 30));
    indexChunk.setLocalDestination(dest);

    Paragraph indexParagraph = new Paragraph((float) 30.0, indexChunk);

    pdfDocument.add(indexParagraph);

    // we grab the ContentByte and do some stuff with it
    PdfContentByte cb = pdfWriter.getDirectContent();
    ColumnText ct = new ColumnText(cb);
    ct.setLeading((float) 9.0);

    float[] right = { 70, 320 };
    float[] left = { 300, 550 };

    // fill index columns with text
    String letter = "";
    Set keys = memberList.keySet();

    // keys must be sorted case unsensitive
    ArrayList sortedKeys = new ArrayList(keys.size());

    // Build sorted list of all entries
    Iterator keysIterator = keys.iterator();
    while (keysIterator.hasNext()) {
        sortedKeys.add(keysIterator.next());
    }
    Collections.sort(sortedKeys, this);

    Iterator realNames = sortedKeys.iterator();

    while (realNames.hasNext()) {
        String memberName = (String) realNames.next();
        String currentLetter = memberName.substring(0, 1).toUpperCase();
        log.trace("Create index entry for " + memberName);

        // Check if next letter in alphabet is reached
        if (currentLetter.equalsIgnoreCase(letter) == false) {
            // If yes, switch to new letter and print it
            letter = currentLetter.toUpperCase();
            Paragraph lphrase = new Paragraph((float) 13.0);
            lphrase.add(new Chunk("\n\n" + letter + "\n", Fonts.getFont(TEXT_FONT, 12)));
            ct.addText(lphrase);
        }

        // Print member name
        Paragraph phrase = new Paragraph((float) 10.0);
        phrase.add(new Chunk("\n" + memberName + "  ", Fonts.getFont(TEXT_FONT, 9)));

        Iterator sortedPages = getSortedPageNumbers(memberName);
        boolean firstNo = true;
        while (sortedPages.hasNext()) {
            Integer pageNo = (Integer) sortedPages.next();
            // Always add 1 to the stored value, because the pages were
            // counted beginning with 0 internally, but their visible
            // numbering starts with 1
            String pageNumberText = String.valueOf(pageNo.intValue() + 1);
            if (!firstNo) {
                phrase.add(new Chunk(", ", Fonts.getFont(TEXT_FONT, 9)));
            }
            phrase.add(new Chunk(pageNumberText, Fonts.getFont(TEXT_FONT, 9)));
            firstNo = false;
        }

        ct.addText(phrase);
    }

    // Now print index by printing columns into document
    int status = 0;
    int column = 0;

    while ((status & ColumnText.NO_MORE_TEXT) == 0) {
        ct.setSimpleColumn(right[column], 60, left[column], 790, 16, Element.ALIGN_LEFT);
        status = ct.go();

        if ((status & ColumnText.NO_MORE_COLUMN) != 0) {
            column++;

            if (column > 1) {
                pdfDocument.newPage();
                column = 0;
            }
        }
    }

    log.trace("Index created.");
}

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