/**
 * ============================================================================
 *  Martin Scholz 
 *
 *  Copyright (C) 2007 Martin Scholz.
 *  All rights reserved.
 *  For more information please see http://fiehnlab.ucdavis.edu/
 * ============================================================================
 */


import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.print.PageFormat;
import java.awt.print.Paper;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;

import javax.print.PrintService;


/**
 * Print Labels for DYMO LabelWriter 400
 *
 * @author <a href=mailto:mscholz@ucdavis.edu>&nbsp;Martin Scholz&nbsp;</a>
 * @version $Revision$
 */
public class DYMOLabelPrintConnector implements Printable {
  //~ Static fields/initializers ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  /** name of the printer as known in the settings.
   * If you dont know the exact name, leave it empty
   * and set PRINTMENU to true - this will  activate the menu. */
  public static final String PRINTERNAME = "DYMO LabelWriter 400";

  /** true if you want a menu to select the printer */
  public static final boolean PRINTMENU = false;

  //~ Methods ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  /**
   * GO !
   */
  public static void main(String[] args) {
    PrinterJob printerJob = PrinterJob.getPrinterJob();
    PageFormat pageFormat = printerJob.defaultPage();
    Paper paper = new Paper();

    final double widthPaper = (1.2 * 72);
    final double heightPaper = (1.5 * 72);

    paper.setSize(widthPaper, heightPaper);
    paper.setImageableArea(0, 0, widthPaper, heightPaper);

    pageFormat.setPaper(paper);

    pageFormat.setOrientation(PageFormat.LANDSCAPE);

    if (PRINTMENU) {
      if (printerJob.printDialog()) {
        printerJob.setPrintable(new DYMOLabelPrintConnector(), pageFormat); // The 2nd param is necessary for printing into a label width a right landscape format.

        try {
          printerJob.print();
        } catch (PrinterException e) {
          e.printStackTrace();
        }
      }
    } else {
      PrintService[] printService = PrinterJob.lookupPrintServices();

      for (int i = 0; i < printService.length; i++) {
        System.out.println(printService[i].getName());

        if (printService[i].getName().compareTo(PRINTERNAME) == 0) {
          try {
            printerJob.setPrintService(printService[i]);
            printerJob.setPrintable(new DYMOLabelPrintConnector(), pageFormat); // The 2nd param is necessary for printing into a label width a right landscape format.
            printerJob.print();
          } catch (PrinterException e) {
            e.printStackTrace();
          }
        }
      }
    }

    System.exit(0);
  }

  /**
   * overwrite this method in order to get other values. The current implementation will generate lables with 5 lines.
   *
   * <ol>
   * <li>
   * "SetupX"
   * </li>
   * <li>
   * "fiehnlab.ucd"
   * </li>
   * <li>
   * "id" + the current counter number
   * </li>
   * <li>
   * "label" + the position
   * </li>
   * <li>
   * the current date
   * </li>
   * </ol>
   *
   *
   * @param elementOnLabel position of the field ON the label.
   * @param labelCounter counter of ALL labels - first label is 0
   *
   * @return the value for the specific field
   */
  public String getValue(final int elementOnLabel, final int labelCounter) {
    String value = "";
 
    switch (elementOnLabel) {
    case 0:
      // what ever you want to have in this line
      value = "SetupX";

      break;

    case 1:
        // what ever you want to have in this line
      value = "fiehnlab.ucd";

      break;

    case 2:
        // what ever you want to have in this line
      value = "id: " + labelCounter;

      break;

    case 3:
        // what ever you want to have in this line
      // TODO - add DB connection
      value = "label:" + elementOnLabel;

      break;

    case 4:
        // what ever you want to have in this line
      value = DateFormat.getDateInstance(DateFormat.SHORT, Locale.US).format(new Date());

      break;

    default:
      break;
    }

    return value;
  }

  /*
   * (non-Javadoc)
   * @see java.awt.print.Printable#print(java.awt.Graphics, java.awt.print.PageFormat, int)
   */
  public int print(Graphics graphics, PageFormat pageFormat, int pageIndex)
    throws PrinterException {
    System.out.println("printing page: " + pageIndex);

    if (pageIndex < getPageNumbers()) {
      Graphics2D g = (Graphics2D) graphics;

      // g.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
      g.translate(20, 10);

      String value = "";
      pageIndex = pageIndex + 1;

      // specific for four circular labels per page
      for (int x = 0; x < 80; x = x + 50) {
        for (int y = 0; y < 80; y = y + 36) {
          int posOnPage = 4; // BottomRight, TopRight, BottomLeft, TopLeft 

          if (x > 0) {
            posOnPage = posOnPage - 2;
          }

          if (y > 0) {
            posOnPage = posOnPage - 1;
          }

          // current counter for the label.
          int id = (posOnPage - 1) + ((pageIndex - 1) * 4);

          // setupx
          g.setFont(new Font(g.getFont().getFontName(), g.getFont().getStyle(), 3));
          value = this.getValue(0, id);
          g.drawString("      " + value, x, y);

          // fiehnlab
          g.setFont(new Font(g.getFont().getFontName(), g.getFont().getStyle(), 3));
          value = this.getValue(1, id);
          g.drawString("    " + value, x, y + 4);

          // ID
          g.setFont(new Font(g.getFont().getFontName(), Font.BOLD, 7));
          value = this.getValue(2, id);
          g.drawString("" + value, x, y + 10);

          // label
          g.setFont(new Font(g.getFont().getFontName(), g.getFont().getStyle(), 5));
          value = this.getValue(3, id);
          g.drawString(" " + value, x, y + 16);

          // date
          g.setFont(new Font(g.getFont().getFontName(), Font.PLAIN, 3));
          value = this.getValue(4, id);
          g.drawString("      " + value, x, y + 20);
        }
      }

      return PAGE_EXISTS;
    } else {
      return NO_SUCH_PAGE;
    }
  }

  /**
   *
   * @return index of the last page.
   */
public int getPageNumbers() {
    return 5;
}
}