/*
 * $Id$
 *
 * This code is part of the 'iText Tutorial'.
 * You can find the complete tutorial at the following address:
 * http://itextdocs.lowagie.com/tutorial/
 *
 * This code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * itext-questions@lists.sourceforge.net
 */

package com.lowagie.examples.objects.chunk;

import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Iterator;
import java.util.TreeMap;

import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Rectangle;
import com.lowagie.text.pdf.PdfPageEventHelper;
import com.lowagie.text.pdf.PdfWriter;

/**
 * Demonstrates the use of the Generic PageEvent.
 * 
 * @author blowagie
 */

public class Glossary extends PdfPageEventHelper {
    
    /** keeps a glossary of words and the pages they appear on */
    public TreeMap glossary = new TreeMap();
    
    /**
     * All the text that is passed to this event, gets registered in the glossary.
     * 
	 * @see com.lowagie.text.pdf.PdfPageEventHelper#onGenericTag(com.lowagie.text.pdf.PdfWriter, com.lowagie.text.Document, com.lowagie.text.Rectangle, java.lang.String)
     */
    public void onGenericTag(PdfWriter writer, Document document, Rectangle rect, String text) {
        glossary.put(text, new Integer(writer.getPageNumber()));
    }
    
	/**
	 * Generic page event.
	 * 
	 * @param args no arguments needed here
	 */
	public static void main(String[] args) {

		System.out.println("Glossary");

		// step 1: creation of a document-object
		Document document = new Document();
		try {
			// step 2:
			// we create a writer that listens to the document
			PdfWriter writer = PdfWriter.getInstance(document,
					new FileOutputStream("Glossary.pdf"));
			Glossary generic = new Glossary();
			writer.setPageEvent(generic);
			
			// step 3: we open the document
			document.open();
			// step 4:
            String[] f = new String[14];
            f[0] = "Courier";
            f[1] = "Courier Bold";
            f[2] = "Courier Italic";
            f[3] = "Courier Bold Italic";
            f[4] = "Helvetica";
            f[5] = "Helvetica bold";
            f[6] = "Helvetica italic";
            f[7] = "Helvetica bold italic";
            f[8] = "Times New Roman";
            f[9] = "Times New Roman bold";
            f[10] = "Times New Roman italic";
            f[11] = "Times New Roman bold italic";
            f[12] = "Symbol";
            f[13] = "Zapfdingbats";
            Font[] fonts = new Font[14];
            fonts[0] = FontFactory.getFont(FontFactory.COURIER, 12, Font.NORMAL);
            fonts[1] = FontFactory.getFont(FontFactory.COURIER, 12, Font.BOLD);
            fonts[2] = FontFactory.getFont(FontFactory.COURIER, 12, Font.ITALIC);
            fonts[3] = FontFactory.getFont(FontFactory.COURIER, 12, Font.BOLD | Font.ITALIC);
            fonts[4] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.NORMAL);
            fonts[5] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.BOLD);
            fonts[6] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.ITALIC);
            fonts[7] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.BOLD | Font.ITALIC);
            fonts[8] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.NORMAL);
            fonts[9] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.BOLD);
            fonts[10] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.ITALIC);
            fonts[11] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.BOLD | Font.ITALIC);
            fonts[12] = FontFactory.getFont(FontFactory.SYMBOL, 12, Font.NORMAL);
            fonts[13] = FontFactory.getFont(FontFactory.ZAPFDINGBATS, 12, Font.NORMAL);
            for (int i = 0; i < 14; i++) {
                Chunk chunk = new Chunk("This is font ", fonts[i]);
                Paragraph p = new Paragraph(chunk);
                p.add(new Phrase(new Chunk(f[i], fonts[i]).setGenericTag(f[i])));
                document.add(p);
                if (i % 4 == 3) {
                    document.newPage();
                }
            }
            
            // we add the glossary
            document.newPage();
            for (Iterator i = generic.glossary.keySet().iterator(); i.hasNext(); ) {
                String key = (String) i.next();
                int page = ((Integer) generic.glossary.get(key)).intValue();
                Paragraph g = new Paragraph(key);
                g.add(" : page ");
                g.add(String.valueOf(page));
                document.add(g);
            }
		} catch (DocumentException de) {
			System.err.println(de.getMessage());
		} catch (IOException ioe) {
			System.err.println(ioe.getMessage());
		}

		// step 5: we close the document
		document.close();
	}
}