/*
 * This code is free software. It may only be copied or modified
 * if you include the following copyright notice:
 *
 * --> Copyright 2001 by Bruno Lowagie <--
 * --> Copyright 2004 by Kazuya Ujihara <--
 *
 * This code is example code of 'iText .NET'.
 * See http://www.ujihara.jp/iTextdotNET/examples.html
 *
 * 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.
 */

using System; 
using com.lowagie.text;
using com.lowagie.text.pdf;
using System.IO;
using System.Collections;

class Glossary : PdfPageEventHelper 
{
	// we will keep a glossary of words and the pages they appear on in a SortedList
	// keys will be sorted according to Thread.CurrentCulture.
	SortedList glossary = new SortedList();
    
	// we override only the onGenericTag method
	public override void onGenericTag(PdfWriter writer, Document document, Rectangle rect, String text) 
	{
		glossary[text] = writer.getPageNumber();
	}
    
	// we add a method to retrieve the glossary
	public SortedList getGlossary() 
	{
		return glossary;
	}
}

public class Chap0209 
{
	public static void Main(String[] args) 
	{
		Console.WriteLine("Chapter 2 example 9: generic tags");
    
		// step 1: creation of a document-object
		Document document = new Document();
    
		// step 2:
		// we create a writer that listens to the document
		// and directs a PDF-stream to a file
		PdfWriter writer = PdfWriter.getInstance(document, new FileStream("Chap0209.pdf", FileMode.Create));
        
		// step 3: we open the document
		document.open();
        
		// step 4:
		// we create an Event and add it to the writer
		Glossary pageEvent = new Glossary();
		writer.setPageEvent(pageEvent);
        
		int i;
		// we add some content
		String[] f = new String[14];
		i = 0;
		f[i++] = "Courier";
		f[i++] = "Courier Bold";
		f[i++] = "Courier Italic";
		f[i++] = "Courier Bold Italic";
		f[i++] = "Helvetica";
		f[i++] = "Helvetica bold";
		f[i++] = "Helvetica italic";
		f[i++] = "Helvetica bold italic";
		f[i++] = "Times New Roman";
		f[i++] = "Times New Roman bold";
		f[i++] = "Times New Roman italic";
		f[i++] = "Times New Roman bold italic";
		f[i++] = "Symbol";
		f[i++] = "Zapfdingbats";

		Font[] fonts = new Font[f.Length];
		i = 0;
		fonts[i++] = FontFactory.getFont(FontFactory.COURIER, 12, Font.NORMAL);
		fonts[i++] = FontFactory.getFont(FontFactory.COURIER, 12, Font.BOLD);
		fonts[i++] = FontFactory.getFont(FontFactory.COURIER, 12, Font.ITALIC);
		fonts[i++] = FontFactory.getFont(FontFactory.COURIER, 12, Font.BOLD | Font.ITALIC);
		fonts[i++] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.NORMAL);
		fonts[i++] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.BOLD);
		fonts[i++] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.ITALIC);
		fonts[i++] = FontFactory.getFont(FontFactory.HELVETICA, 12, Font.BOLD | Font.ITALIC);
		fonts[i++] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.NORMAL);
		fonts[i++] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.BOLD);
		fonts[i++] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.ITALIC);
		fonts[i++] = FontFactory.getFont(FontFactory.TIMES_ROMAN, 12, Font.BOLD | Font.ITALIC);
		fonts[i++] = FontFactory.getFont(FontFactory.SYMBOL, 12, Font.NORMAL);
		fonts[i++] = FontFactory.getFont(FontFactory.ZAPFDINGBATS, 12, Font.NORMAL);

		for (i = 0; i < f.Length; 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();
		SortedList glossary = pageEvent.getGlossary();
		for (i = 0; i < glossary.Count; i++)
		{
			string key = (string)glossary.GetKey(i);
			int page = (int)glossary.GetByIndex(i);
			Paragraph g = new Paragraph(key);
			g.add(" : page ");
			g.add(page.ToString());
			document.add(g);
		}
    
		// step 5: we close the document
		document.close();
	}
}