/**************************************************************************
/* This class demonstrates the selection of print-services with a GUI.
/*
/* Copyright (c) 2004 by Bernhard Bablok (mail@bablokb.de)
/*
/* This program is free software; you can redistribute it and/or modify
/* it under the terms of the GNU General Public License as published
/* by  the Free Software Foundation; either version 2 of the License or
/* (at your option) any later version.
/*
/* This program 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.  See the
/* GNU General Public License for more details.
/*
/* You should have received a copy of the GNU General Public License
/* along with this program; see the file COPYING.  If not, write to
/* the Free Software Foundation Inc., 59 Temple Place - Suite 330,
/* Boston, MA  02111-1307 USA
/**************************************************************************/

import java.io.*;
import java.net.*;
import javax.print.*;
import javax.print.attribute.*;
import javax.print.attribute.standard.*;

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

import de.lohndirekt.print.*;

/**
   This class demonstrates the selection of print-services with a GUI.

   @version $Revision: 1.2 $
   @author  $Author: bablokb $
*/

public class PrintDemoGUI extends JFrame {

  private static final String
    CUPS_URI = "ipp://localhost:631";

  private String iFilename;

  PrintRequestAttributeSet iAttributes;

  //////////////////////////////////////////////////////////////////////////////

  /**
     Register IPP-Service.
  */

  static {
    try {
      PrintServiceLookup psl =
	new IppPrintServiceLookup(new URI(CUPS_URI),null,null);
      PrintServiceLookup.registerServiceProvider(psl);
    } catch (Exception e) {
    }
  }

  //////////////////////////////////////////////////////////////////////////////

  /**
     Ask the user for the desired print-service.
  */

  private PrintService getService() {
    PrintService[] pservices =
      PrintServiceLookup.lookupPrintServices(null,null);
    iAttributes =  new HashPrintRequestAttributeSet();
    iAttributes.add(MediaSizeName.ISO_A4);
    return ServiceUI.printDialog(null,50,50,pservices,null,null,
                                                 iAttributes);
  }

  //////////////////////////////////////////////////////////////////////////////

  /**
     Print the document.
  */

  private void printDocument(PrintService ps) {
    try {
      if (ps != null) {
	DocFlavor flavor = DocFlavor.INPUT_STREAM.AUTOSENSE;
 
	DocPrintJob pj = ps.createPrintJob();
        FileInputStream stream = new FileInputStream(iFilename);
        Doc doc = new SimpleDoc(stream,flavor,null);
        pj.print(doc,iAttributes);
      }
    } catch (Exception e) {
    }
  }

  //////////////////////////////////////////////////////////////////////////////

  /**
     Constructor.
  */

  public PrintDemoGUI(String filename) {
    iFilename = filename;
  }

  //////////////////////////////////////////////////////////////////////////////

  /**
     Create GUI-components.
  */

  public void createGUI() {
    JButton button = new JButton("Print it!");
    button.addActionListener(
     new ActionListener() {
        public void actionPerformed(ActionEvent e) {
          PrintService ps = getService();
          printDocument(ps);
        }
     });
    JTextArea text = new JTextArea(20,60);
    try {
      FileReader reader = new FileReader(iFilename);
      text.read(reader,null);
      reader.close();
    } catch (Exception e) {
      text.setText("Could not read file " + iFilename);
    }
    JPanel panel = new JPanel();
    panel.setLayout(new BorderLayout());
    panel.add(new JScrollPane(text),BorderLayout.NORTH);
    panel.add(button,BorderLayout.SOUTH);
    getContentPane().add(panel);
  }

  //////////////////////////////////////////////////////////////////////////////

  public static void main(String[] args) {
    if (args.length != 1)
      usage();

    PrintDemoGUI pdg = new PrintDemoGUI(args[0]);

    pdg.addWindowListener(new WindowAdapter() {
	public void windowClosing(WindowEvent event) {
	  System.exit(0);
	}
      });

    pdg.createGUI();
    pdg.pack();
    pdg.setLocation(new Point(500,200));
    pdg.setTitle("Printer-Demo");
    pdg.show();
  }

  //////////////////////////////////////////////////////////////////////////////

  /**
     Print usage info and exit.
  */

  private static void usage() {
    System.out.println("usage: java " + 
      PrintDemoGUI.class.getName() + " filename");
    System.exit(3);
  }
}