Package com.openbravo.pos.util

Source Code of com.openbravo.pos.util.JRViewer300

/*
* ============================================================================
* GNU Lesser General Public License
* ============================================================================
*
* JasperReports - Free Java report-generating library.
* Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
*
* JasperSoft Corporation
* 303 Second Street, Suite 450 North
* San Francisco, CA 94107
* http://www.jaspersoft.com
*/

/*
* Contributors:
* Ryan Johnson - delscovich@users.sourceforge.net
* Carlton Moore - cmoore79@users.sourceforge.net
*  Petr Michalek - pmichalek@users.sourceforge.net
*/

//    Portions:
//    GreenPOS is a point of sales application designed for touch screens.
//    Copyright (C) 2007-2009 Openbravo, S.L.
//    http://code.google.com/p/openbravocustom/
//    author adrian romero
// This class is a copy of net.sf.jasperreports.view.JRViewer
// The modifications are:
// The loadJasperPrint() method
// And the redesign of the design properties of the toolbar
// Nothing else.

package com.openbravo.pos.util;

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.text.DecimalFormat;
import java.text.MessageFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.ListIterator;
import java.util.Locale;
import java.util.Map;
import java.util.ResourceBundle;

import javax.swing.DefaultComboBoxModel;
import javax.swing.ImageIcon;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JViewport;
import javax.swing.SwingUtilities;
import javax.swing.filechooser.FileFilter;

import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExporterParameter;
import net.sf.jasperreports.engine.JRHyperlink;
import net.sf.jasperreports.engine.JRImageMapRenderer;
import net.sf.jasperreports.engine.JRPrintAnchorIndex;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRPrintFrame;
import net.sf.jasperreports.engine.JRPrintHyperlink;
import net.sf.jasperreports.engine.JRPrintImage;
import net.sf.jasperreports.engine.JRPrintImageAreaHyperlink;
import net.sf.jasperreports.engine.JRPrintPage;
import net.sf.jasperreports.engine.JRRenderable;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperPrintManager;
import net.sf.jasperreports.engine.export.JRGraphics2DExporter;
import net.sf.jasperreports.engine.export.JRGraphics2DExporterParameter;
import net.sf.jasperreports.engine.print.JRPrinterAWT;
import net.sf.jasperreports.engine.util.JRClassLoader;
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.engine.util.JRProperties;
import net.sf.jasperreports.engine.xml.JRPrintXmlLoader;
import net.sf.jasperreports.view.JRHyperlinkListener;
import net.sf.jasperreports.view.JRSaveContributor;
import net.sf.jasperreports.view.save.JRPrintSaveContributor;


/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRViewer300.java 2160 2008-04-29 11:31:51Z lucianc $
*/
public class JRViewer300 extends javax.swing.JPanel implements JRHyperlinkListener
{
  private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;

  /**
   * Maximum size (in pixels) of a buffered image that would be used by {@link JRViewer300 JRViewer300} to render a report page.
   * <p>
   * If rendering a report page would require an image larger than this threshold
   * (i.e. image width x image height > maximum size), the report page will be rendered directly on the viewer component.
   * </p>
   * <p>
   * If this property is zero or negative, buffered images will never be user to render a report page.
   * By default, this property is set to 0.
   * </p>
   */
  public static final String VIEWER_RENDER_BUFFER_MAX_SIZE = JRProperties.PROPERTY_PREFIX + "viewer.render.buffer.max.size";

  /**
   *
   */
  protected static final int TYPE_FILE_NAME = 1;
  protected static final int TYPE_INPUT_STREAM = 2;
  protected static final int TYPE_OBJECT = 3;

  /**
   * The DPI of the generated report.
   */
  public static final int REPORT_RESOLUTION = 72;

  protected float MIN_ZOOM = 0.5f;
  protected float MAX_ZOOM = 10f;
  protected int zooms[] = {50, 75, 100, 125, 150, 175, 200, 250, 400, 800};
  protected int defaultZoomIndex = 2;

  protected int type = TYPE_FILE_NAME;
  protected boolean isXML = false;
  protected String reportFileName = null;
  JasperPrint jasperPrint = null;
  private int pageIndex = 0;
  private boolean pageError;
  protected float zoom = 0f;

  private JRGraphics2DExporter exporter = null;

  /**
   * the screen resolution.
   */
  private int screenResolution = REPORT_RESOLUTION;

  /**
   * the zoom ration adjusted to the screen resolution.
   */
  protected float realZoom = 0f;

  private DecimalFormat zoomDecimalFormat = new DecimalFormat("#.##");
  private ResourceBundle resourceBundle = null;

  private int downX = 0;
  private int downY = 0;

  private java.util.List hyperlinkListeners = new ArrayList();
  private Map linksMap = new HashMap();
  private MouseListener mouseListener =
    new java.awt.event.MouseAdapter()
    {
      public void mouseClicked(java.awt.event.MouseEvent evt)
      {
        hyperlinkClicked(evt);
      }
    };

  protected KeyListener keyNavigationListener =
    new KeyListener() {
      public void keyTyped(KeyEvent evt)
      {
      }
      public void keyPressed(KeyEvent evt)
      {
        keyNavigate(evt);
      }
      public void keyReleased(KeyEvent evt)
      {
      }
    };

  protected List saveContributors = new ArrayList();
  protected File lastFolder = null;
  protected JRSaveContributor lastSaveContributor = null;

  /** Creates new form JRViewer300 */
  public JRViewer300(String fileName, boolean isXML) throws JRException
  {
    this(fileName, isXML, null);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(InputStream is, boolean isXML) throws JRException
  {
    this(is, isXML, null);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(JasperPrint jrPrint)
  {
    this(jrPrint, null);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(String fileName, boolean isXML, Locale locale) throws JRException
  {
    this(fileName, isXML, locale, null);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(InputStream is, boolean isXML, Locale locale) throws JRException
  {
    this(is, isXML, locale, null);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(JasperPrint jrPrint, Locale locale)
  {
    this(jrPrint, locale, null);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(String fileName, boolean isXML, Locale locale, ResourceBundle resBundle) throws JRException
  {
    initResources(locale, resBundle);

    setScreenDetails();

    setZooms();

    initComponents();

    loadReport(fileName, isXML);

    cmbZoom.setSelectedIndex(defaultZoomIndex);

    initSaveContributors();

    addHyperlinkListener(this);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(InputStream is, boolean isXML, Locale locale, ResourceBundle resBundle) throws JRException
  {
    initResources(locale, resBundle);

    setScreenDetails();

    setZooms();

    initComponents();

    loadReport(is, isXML);

    cmbZoom.setSelectedIndex(defaultZoomIndex);

    initSaveContributors();

    addHyperlinkListener(this);
  }


  /** Creates new form JRViewer300 */
  public JRViewer300(JasperPrint jrPrint, Locale locale, ResourceBundle resBundle)
  {
    initResources(locale, resBundle);

    setScreenDetails();

    setZooms();

    initComponents();

    loadReport(jrPrint);

    cmbZoom.setSelectedIndex(defaultZoomIndex);

    initSaveContributors();

    addHyperlinkListener(this);
  }
       
        public void loadJasperPrint(JasperPrint jrPrint) {
           
    loadReport(jrPrint);
    setZoomRatio(zooms[defaultZoomIndex] / 100f);
                cmbZoomItemStateChanged(null);
                refreshPage();
        }


  private void setScreenDetails()
  {
    screenResolution = Toolkit.getDefaultToolkit().getScreenResolution();
  }


  /**
   *
   */
  public void clear()
  {
    emptyContainer(this);
    jasperPrint = null;
  }


  /**
   *
   */
  protected void setZooms()
  {
  }


  /**
   *
   */
  public void addSaveContributor(JRSaveContributor contributor)
  {
    saveContributors.add(contributor);
  }


  /**
   *
   */
  public void removeSaveContributor(JRSaveContributor contributor)
  {
    saveContributors.remove(contributor);
  }


  /**
   *
   */
  public JRSaveContributor[] getSaveContributors()
  {
    return (JRSaveContributor[])saveContributors.toArray(new JRSaveContributor[saveContributors.size()]);
  }


  /**
   * Replaces the save contributors with the ones provided as parameter.
   */
  public void setSaveContributors(JRSaveContributor[] saveContributors)
  {
    this.saveContributors = new ArrayList();
    if (saveContributors != null)
    {
      this.saveContributors.addAll(Arrays.asList(saveContributors));
    }
  }


  /**
   *
   */
  public void addHyperlinkListener(JRHyperlinkListener listener)
  {
    hyperlinkListeners.add(listener);
  }


  /**
   *
   */
  public void removeHyperlinkListener(JRHyperlinkListener listener)
  {
    hyperlinkListeners.remove(listener);
  }


  /**
   *
   */
  public JRHyperlinkListener[] getHyperlinkListeners()
  {
    return (JRHyperlinkListener[])hyperlinkListeners.toArray(new JRHyperlinkListener[hyperlinkListeners.size()]);
  }


  /**
   *
   */
  protected void initResources(Locale locale, ResourceBundle resBundle)
  {
    if (locale != null)
      setLocale(locale);
    else
      setLocale(Locale.getDefault());

    if (resBundle == null)
    {
      this.resourceBundle = ResourceBundle.getBundle("net/sf/jasperreports/view/viewer", getLocale());
    }
    else
    {
      this.resourceBundle = resBundle;
    }
  }


  /**
   *
   */
  protected String getBundleString(String key)
  {
    return resourceBundle.getString(key);
  }


  /**
   *
   */
  protected void initSaveContributors()
  {
    final String[] DEFAULT_CONTRIBUTORS =
      {
        "net.sf.jasperreports.view.save.JRPrintSaveContributor",
        "net.sf.jasperreports.view.save.JRPdfSaveContributor",
        "net.sf.jasperreports.view.save.JRRtfSaveContributor",
        "net.sf.jasperreports.view.save.JROdtSaveContributor",
        "net.sf.jasperreports.view.save.JRHtmlSaveContributor",
        "net.sf.jasperreports.view.save.JRSingleSheetXlsSaveContributor",
        "net.sf.jasperreports.view.save.JRMultipleSheetsXlsSaveContributor",
        "net.sf.jasperreports.view.save.JRCsvSaveContributor",
        "net.sf.jasperreports.view.save.JRXmlSaveContributor",
        "net.sf.jasperreports.view.save.JREmbeddedImagesXmlSaveContributor"
      };

    for(int i = 0; i < DEFAULT_CONTRIBUTORS.length; i++)
    {
      try
      {
        Class saveContribClass = JRClassLoader.loadClassForName(DEFAULT_CONTRIBUTORS[i]);
        Constructor constructor = saveContribClass.getConstructor(new Class[]{Locale.class, ResourceBundle.class});
        JRSaveContributor saveContrib = (JRSaveContributor)constructor.newInstance(new Object[]{getLocale(), resourceBundle});
        saveContributors.add(saveContrib);
      }
      catch (Exception e)
      {
      }
    }
  }


  /**
   *
   */
  public void gotoHyperlink(JRPrintHyperlink hyperlink)
  {
    switch(hyperlink.getHyperlinkType())
    {
      case JRHyperlink.HYPERLINK_TYPE_REFERENCE :
      {
        if (isOnlyHyperlinkListener())
        {
          System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
          System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_LOCAL_ANCHOR :
      {
        if (hyperlink.getHyperlinkAnchor() != null)
        {
          Map anchorIndexes = jasperPrint.getAnchorIndexes();
          JRPrintAnchorIndex anchorIndex = (JRPrintAnchorIndex)anchorIndexes.get(hyperlink.getHyperlinkAnchor());
          if (anchorIndex.getPageIndex() != pageIndex)
          {
            setPageIndex(anchorIndex.getPageIndex());
            refreshPage();
          }
          Container container = pnlInScroll.getParent();
          if (container instanceof JViewport)
          {
            JViewport viewport = (JViewport) container;

            int newX = (int)(anchorIndex.getElementAbsoluteX() * realZoom);
            int newY = (int)(anchorIndex.getElementAbsoluteY() * realZoom);

            int maxX = pnlInScroll.getWidth() - viewport.getWidth();
            int maxY = pnlInScroll.getHeight() - viewport.getHeight();

            if (newX < 0)
            {
              newX = 0;
            }
            if (newX > maxX)
            {
              newX = maxX;
            }
            if (newY < 0)
            {
              newY = 0;
            }
            if (newY > maxY)
            {
              newY = maxY;
            }

            viewport.setViewPosition(new Point(newX, newY));
          }
        }

        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_LOCAL_PAGE :
      {
        int page = pageIndex + 1;
        if (hyperlink.getHyperlinkPage() != null)
        {
          page = hyperlink.getHyperlinkPage().intValue();
        }

        if (page >= 1 && page <= jasperPrint.getPages().size() && page != pageIndex + 1)
        {
          setPageIndex(page - 1);
          refreshPage();
          Container container = pnlInScroll.getParent();
          if (container instanceof JViewport)
          {
            JViewport viewport = (JViewport) container;
            viewport.setViewPosition(new Point(0, 0));
          }
        }

        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_REMOTE_ANCHOR :
      {
        if (isOnlyHyperlinkListener())
        {
          System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
          System.out.println("Hyperlink anchor    : " + hyperlink.getHyperlinkAnchor());
          System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_REMOTE_PAGE :
      {
        if (isOnlyHyperlinkListener())
        {
          System.out.println("Hyperlink reference : " + hyperlink.getHyperlinkReference());
          System.out.println("Hyperlink page      : " + hyperlink.getHyperlinkPage());
          System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_CUSTOM:
      {
        if (isOnlyHyperlinkListener())
        {
          System.out.println("Hyperlink of type " + hyperlink.getLinkType());
          System.out.println("Implement your own JRHyperlinkListener to manage this type of event.");
        }
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_NONE :
      default :
      {
        break;
      }
    }
  }


  protected boolean isOnlyHyperlinkListener()
  {
    int listenerCount;
    if (hyperlinkListeners == null)
    {
      listenerCount = 0;
    }
    else
    {
      listenerCount = hyperlinkListeners.size();
      if (hyperlinkListeners.contains(this))
      {
        --listenerCount;
      }
    }
    return listenerCount == 0;
  }


  /** This method is called from within the constructor to
   * initialize the form.
   * WARNING: Do NOT modify this code. The content of this method is
   * always regenerated by the Form Editor.
   */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {
        java.awt.GridBagConstraints gridBagConstraints;

        pnlMain = new javax.swing.JPanel();
        scrollPane = new javax.swing.JScrollPane();
        scrollPane.getHorizontalScrollBar().setUnitIncrement(5);
        scrollPane.getVerticalScrollBar().setUnitIncrement(5);
        pnlInScroll = new javax.swing.JPanel();
        pnlPage = new javax.swing.JPanel();
        jPanel4 = new javax.swing.JPanel();
        pnlLinks = new javax.swing.JPanel();
        jPanel5 = new javax.swing.JPanel();
        jPanel6 = new javax.swing.JPanel();
        jPanel7 = new javax.swing.JPanel();
        jPanel8 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jPanel9 = new javax.swing.JPanel();
        lblPage = new PageRenderer(this);
        jToolBar1 = new javax.swing.JToolBar();
        btnSave = new javax.swing.JButton();
        btnPrint = new javax.swing.JButton();
        btnReload = new javax.swing.JButton();
        jSeparator1 = new javax.swing.JToolBar.Separator();
        btnActualSize = new javax.swing.JToggleButton();
        btnFitPage = new javax.swing.JToggleButton();
        btnFitWidth = new javax.swing.JToggleButton();
        jSeparator2 = new javax.swing.JToolBar.Separator();
        btnZoomIn = new javax.swing.JButton();
        cmbZoom = new javax.swing.JComboBox();
        DefaultComboBoxModel model = new DefaultComboBoxModel();
        for(int i = 0; i < zooms.length; i++)
        {
            model.addElement("" + zooms[i] + "%");
        }
        cmbZoom.setModel(model);
        btnZoomOut = new javax.swing.JButton();
        jSeparator3 = new javax.swing.JToolBar.Separator();
        btnFirst = new javax.swing.JButton();
        btnPrevious = new javax.swing.JButton();
        txtGoTo = new javax.swing.JTextField();
        btnNext = new javax.swing.JButton();
        btnLast = new javax.swing.JButton();
        jSeparator4 = new javax.swing.JToolBar.Separator();
        lblStatus = new javax.swing.JLabel();

        setMinimumSize(new java.awt.Dimension(450, 150));
        setPreferredSize(new java.awt.Dimension(450, 150));
        setLayout(new java.awt.BorderLayout());

        pnlMain.addComponentListener(new java.awt.event.ComponentAdapter() {
            public void componentResized(java.awt.event.ComponentEvent evt) {
                pnlMainComponentResized(evt);
            }
        });
        pnlMain.setLayout(new java.awt.BorderLayout());

        scrollPane.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
        scrollPane.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);

        pnlInScroll.setLayout(new java.awt.GridBagLayout());

        pnlPage.setMinimumSize(new java.awt.Dimension(100, 100));
        pnlPage.setPreferredSize(new java.awt.Dimension(100, 100));
        pnlPage.setLayout(new java.awt.BorderLayout());

        jPanel4.setMinimumSize(new java.awt.Dimension(100, 120));
        jPanel4.setPreferredSize(new java.awt.Dimension(100, 120));
        jPanel4.setLayout(new java.awt.GridBagLayout());

        pnlLinks.setMinimumSize(new java.awt.Dimension(5, 5));
        pnlLinks.setOpaque(false);
        pnlLinks.setPreferredSize(new java.awt.Dimension(5, 5));
        pnlLinks.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mousePressed(java.awt.event.MouseEvent evt) {
                pnlLinksMousePressed(evt);
            }
            public void mouseReleased(java.awt.event.MouseEvent evt) {
                pnlLinksMouseReleased(evt);
            }
        });
        pnlLinks.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
            public void mouseDragged(java.awt.event.MouseEvent evt) {
                pnlLinksMouseDragged(evt);
            }
        });
        pnlLinks.setLayout(null);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.gridheight = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        jPanel4.add(pnlLinks, gridBagConstraints);

        jPanel5.setBackground(java.awt.Color.gray);
        jPanel5.setMinimumSize(new java.awt.Dimension(5, 5));
        jPanel5.setPreferredSize(new java.awt.Dimension(5, 5));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.fill = java.awt.GridBagConstraints.VERTICAL;
        jPanel4.add(jPanel5, gridBagConstraints);

        jPanel6.setMinimumSize(new java.awt.Dimension(5, 5));
        jPanel6.setPreferredSize(new java.awt.Dimension(5, 5));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 2;
        jPanel4.add(jPanel6, gridBagConstraints);

        jPanel7.setBackground(java.awt.Color.gray);
        jPanel7.setMinimumSize(new java.awt.Dimension(5, 5));
        jPanel7.setPreferredSize(new java.awt.Dimension(5, 5));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        jPanel4.add(jPanel7, gridBagConstraints);

        jPanel8.setBackground(java.awt.Color.gray);
        jPanel8.setMinimumSize(new java.awt.Dimension(5, 5));
        jPanel8.setPreferredSize(new java.awt.Dimension(5, 5));

        jLabel1.setText("jLabel1");
        jPanel8.add(jLabel1);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 2;
        jPanel4.add(jPanel8, gridBagConstraints);

        jPanel9.setMinimumSize(new java.awt.Dimension(5, 5));
        jPanel9.setPreferredSize(new java.awt.Dimension(5, 5));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 0;
        jPanel4.add(jPanel9, gridBagConstraints);

        lblPage.setBackground(java.awt.Color.white);
        lblPage.setBorder(javax.swing.BorderFactory.createLineBorder(new java.awt.Color(0, 0, 0)));
        lblPage.setOpaque(true);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.gridheight = 2;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        jPanel4.add(lblPage, gridBagConstraints);

        pnlPage.add(jPanel4, java.awt.BorderLayout.CENTER);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.insets = new java.awt.Insets(5, 5, 5, 5);
        pnlInScroll.add(pnlPage, gridBagConstraints);

        scrollPane.setViewportView(pnlInScroll);

        pnlMain.add(scrollPane, java.awt.BorderLayout.CENTER);

        jToolBar1.setFloatable(false);

        btnSave.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/filesave.png"))); // NOI18N
        btnSave.setToolTipText(getBundleString("save"));
        btnSave.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnSaveActionPerformed(evt);
            }
        });
        jToolBar1.add(btnSave);

        btnPrint.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/yast_printer.png"))); // NOI18N
        btnPrint.setToolTipText(getBundleString("print"));
        btnPrint.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnPrintActionPerformed(evt);
            }
        });
        jToolBar1.add(btnPrint);

        btnReload.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/reload.png"))); // NOI18N
        btnReload.setToolTipText(getBundleString("reload"));
        btnReload.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnReloadActionPerformed(evt);
            }
        });
        jToolBar1.add(btnReload);
        jToolBar1.add(jSeparator1);

        btnActualSize.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/mime.png"))); // NOI18N
        btnActualSize.setToolTipText(getBundleString("actual.size"));
        btnActualSize.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnActualSizeActionPerformed(evt);
            }
        });
        jToolBar1.add(btnActualSize);

        btnFitPage.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/mime2.png"))); // NOI18N
        btnFitPage.setToolTipText(getBundleString("fit.page"));
        btnFitPage.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnFitPageActionPerformed(evt);
            }
        });
        jToolBar1.add(btnFitPage);

        btnFitWidth.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/mime3.png"))); // NOI18N
        btnFitWidth.setToolTipText(getBundleString("fit.width"));
        btnFitWidth.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnFitWidthActionPerformed(evt);
            }
        });
        jToolBar1.add(btnFitWidth);
        jToolBar1.add(jSeparator2);

        btnZoomIn.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/viewmag+.png"))); // NOI18N
        btnZoomIn.setToolTipText(getBundleString("zoom.in"));
        btnZoomIn.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnZoomInActionPerformed(evt);
            }
        });
        jToolBar1.add(btnZoomIn);

        cmbZoom.setEditable(true);
        cmbZoom.setToolTipText(getBundleString("zoom.ratio"));
        cmbZoom.setMaximumSize(new java.awt.Dimension(80, 23));
        cmbZoom.setMinimumSize(new java.awt.Dimension(80, 23));
        cmbZoom.setPreferredSize(new java.awt.Dimension(80, 23));
        cmbZoom.addItemListener(new java.awt.event.ItemListener() {
            public void itemStateChanged(java.awt.event.ItemEvent evt) {
                cmbZoomItemStateChanged(evt);
            }
        });
        cmbZoom.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cmbZoomActionPerformed(evt);
            }
        });
        jToolBar1.add(cmbZoom);

        btnZoomOut.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/viewmag-.png"))); // NOI18N
        btnZoomOut.setToolTipText(getBundleString("zoom.out"));
        btnZoomOut.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnZoomOutActionPerformed(evt);
            }
        });
        jToolBar1.add(btnZoomOut);
        jToolBar1.add(jSeparator3);

        btnFirst.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/2leftarrow.png"))); // NOI18N
        btnFirst.setToolTipText(getBundleString("first.page"));
        btnFirst.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnFirstActionPerformed(evt);
            }
        });
        jToolBar1.add(btnFirst);

        btnPrevious.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/1leftarrow.png"))); // NOI18N
        btnPrevious.setToolTipText(getBundleString("previous.page"));
        btnPrevious.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnPreviousActionPerformed(evt);
            }
        });
        jToolBar1.add(btnPrevious);

        txtGoTo.setToolTipText(getBundleString("go.to.page"));
        txtGoTo.setMaximumSize(new java.awt.Dimension(40, 23));
        txtGoTo.setMinimumSize(new java.awt.Dimension(40, 23));
        txtGoTo.setPreferredSize(new java.awt.Dimension(40, 23));
        txtGoTo.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                txtGoToActionPerformed(evt);
            }
        });
        jToolBar1.add(txtGoTo);

        btnNext.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/1rightarrow.png"))); // NOI18N
        btnNext.setToolTipText(getBundleString("next.page"));
        btnNext.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnNextActionPerformed(evt);
            }
        });
        jToolBar1.add(btnNext);

        btnLast.setIcon(new javax.swing.ImageIcon(getClass().getResource("/com/openbravo/images/2rightarrow.png"))); // NOI18N
        btnLast.setToolTipText(getBundleString("last.page"));
        btnLast.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnLastActionPerformed(evt);
            }
        });
        jToolBar1.add(btnLast);
        jToolBar1.add(jSeparator4);

        lblStatus.setText("Page i of n");
        jToolBar1.add(lblStatus);

        pnlMain.add(jToolBar1, java.awt.BorderLayout.NORTH);

        add(pnlMain, java.awt.BorderLayout.CENTER);
    }// </editor-fold>//GEN-END:initComponents

  void txtGoToActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_txtGoToActionPerformed
    try
    {
      int pageNumber = Integer.parseInt(txtGoTo.getText());
      if (
        pageNumber != pageIndex + 1
        && pageNumber > 0
        && pageNumber <= jasperPrint.getPages().size()
        )
      {
        setPageIndex(pageNumber - 1);
        refreshPage();
      }
    }
    catch(NumberFormatException e)
    {
    }
  }//GEN-LAST:event_txtGoToActionPerformed

  void cmbZoomItemStateChanged(java.awt.event.ItemEvent evt) {//GEN-FIRST:event_cmbZoomItemStateChanged
    // Add your handling code here:
    btnActualSize.setSelected(false);
    btnFitPage.setSelected(false);
    btnFitWidth.setSelected(false);
  }//GEN-LAST:event_cmbZoomItemStateChanged

  void pnlMainComponentResized(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_pnlMainComponentResized
    // Add your handling code here:
    if (btnFitPage.isSelected())
    {
      fitPage();
      btnFitPage.setSelected(true);
    }
    else if (btnFitWidth.isSelected())
    {
      setRealZoomRatio(((float)pnlInScroll.getVisibleRect().getWidth() - 20f) / jasperPrint.getPageWidth());
      btnFitWidth.setSelected(true);
    }

  }//GEN-LAST:event_pnlMainComponentResized

  void btnActualSizeActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnActualSizeActionPerformed
    // Add your handling code here:
    if (btnActualSize.isSelected())
    {
      btnFitPage.setSelected(false);
      btnFitWidth.setSelected(false);
      cmbZoom.setSelectedIndex(-1);
      setZoomRatio(1);
      btnActualSize.setSelected(true);
    }
  }//GEN-LAST:event_btnActualSizeActionPerformed

  void btnFitWidthActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnFitWidthActionPerformed
    // Add your handling code here:
    if (btnFitWidth.isSelected())
    {
      btnActualSize.setSelected(false);
      btnFitPage.setSelected(false);
      cmbZoom.setSelectedIndex(-1);
      setRealZoomRatio(((float)pnlInScroll.getVisibleRect().getWidth() - 20f) / jasperPrint.getPageWidth());
      btnFitWidth.setSelected(true);
    }
  }//GEN-LAST:event_btnFitWidthActionPerformed

  void btnFitPageActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnFitPageActionPerformed
    // Add your handling code here:
    if (btnFitPage.isSelected())
    {
      btnActualSize.setSelected(false);
      btnFitWidth.setSelected(false);
      cmbZoom.setSelectedIndex(-1);
      fitPage();
      btnFitPage.setSelected(true);
    }
  }//GEN-LAST:event_btnFitPageActionPerformed

  void btnSaveActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_btnSaveActionPerformed
    // Add your handling code here:

    JFileChooser fileChooser = new JFileChooser();
    fileChooser.setLocale(this.getLocale());
    fileChooser.updateUI();
    for(int i = 0; i < saveContributors.size(); i++)
    {
      fileChooser.addChoosableFileFilter((JRSaveContributor)saveContributors.get(i));
    }

    if (saveContributors.contains(lastSaveContributor))
    {
      fileChooser.setFileFilter(lastSaveContributor);
    }
    else if (saveContributors.size() > 0)
    {
      fileChooser.setFileFilter((JRSaveContributor)saveContributors.get(0));
    }
   
    if (lastFolder != null)
    {
      fileChooser.setCurrentDirectory(lastFolder);
    }
   
    int retValue = fileChooser.showSaveDialog(this);
    if (retValue == JFileChooser.APPROVE_OPTION)
    {
      FileFilter fileFilter = fileChooser.getFileFilter();
      File file = fileChooser.getSelectedFile();
     
      lastFolder = file.getParentFile();

      JRSaveContributor contributor = null;

      if (fileFilter instanceof JRSaveContributor)
      {
        contributor = (JRSaveContributor)fileFilter;
      }
      else
      {
        int i = 0;
        while(contributor == null && i < saveContributors.size())
        {
          contributor = (JRSaveContributor)saveContributors.get(i++);
          if (!contributor.accept(file))
          {
            contributor = null;
          }
        }

        if (contributor == null)
        {
          contributor = new JRPrintSaveContributor(getLocale(), this.resourceBundle);
        }
      }

      lastSaveContributor = contributor;
     
      try
      {
        contributor.save(jasperPrint, file);
      }
      catch (JRException e)
      {
        e.printStackTrace();
        JOptionPane.showMessageDialog(this, getBundleString("error.saving"));
      }
    }
  }//GEN-LAST:event_btnSaveActionPerformed

  void pnlLinksMouseDragged(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMouseDragged
    // Add your handling code here:

    Container container = pnlInScroll.getParent();
    if (container instanceof JViewport)
    {
      JViewport viewport = (JViewport) container;
      Point point = viewport.getViewPosition();
      int newX = point.x - (evt.getX() - downX);
      int newY = point.y - (evt.getY() - downY);

      int maxX = pnlInScroll.getWidth() - viewport.getWidth();
      int maxY = pnlInScroll.getHeight() - viewport.getHeight();

      if (newX < 0)
      {
        newX = 0;
      }
      if (newX > maxX)
      {
        newX = maxX;
      }
      if (newY < 0)
      {
        newY = 0;
      }
      if (newY > maxY)
      {
        newY = maxY;
      }

      viewport.setViewPosition(new Point(newX, newY));
    }
  }//GEN-LAST:event_pnlLinksMouseDragged

  void pnlLinksMouseReleased(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMouseReleased
    // Add your handling code here:
    pnlLinks.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
  }//GEN-LAST:event_pnlLinksMouseReleased

  void pnlLinksMousePressed(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_pnlLinksMousePressed
    // Add your handling code here:
    pnlLinks.setCursor(new Cursor(Cursor.MOVE_CURSOR));

    downX = evt.getX();
    downY = evt.getY();
  }//GEN-LAST:event_pnlLinksMousePressed

  void btnPrintActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnPrintActionPerformed
  {//GEN-HEADEREND:event_btnPrintActionPerformed
    // Add your handling code here:

    Thread thread =
      new Thread(
        new Runnable()
        {
          public void run()
          {
            try
            {
             
//              btnPrint.setEnabled(false);
              //JRViewer300.this.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
              JasperPrintManager.printReport(jasperPrint, true);
            }
            catch (Exception ex)
            {
              ex.printStackTrace();
//              JOptionPane.showMessageDialog(JRViewer300.this, getBundleString("error.printing"));
            }
            finally
            {
              //JRViewer300.this.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
              btnPrint.setEnabled(true);
            }
          }
        }
      );

    thread.start();

  }//GEN-LAST:event_btnPrintActionPerformed

  void btnLastActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnLastActionPerformed
  {//GEN-HEADEREND:event_btnLastActionPerformed
    // Add your handling code here:
    setPageIndex(jasperPrint.getPages().size() - 1);
    refreshPage();
  }//GEN-LAST:event_btnLastActionPerformed

  void btnNextActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnNextActionPerformed
  {//GEN-HEADEREND:event_btnNextActionPerformed
    // Add your handling code here:
    setPageIndex(pageIndex + 1);
    refreshPage();
  }//GEN-LAST:event_btnNextActionPerformed

  void btnPreviousActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnPreviousActionPerformed
  {//GEN-HEADEREND:event_btnPreviousActionPerformed
    // Add your handling code here:
    setPageIndex(pageIndex - 1);
    refreshPage();
  }//GEN-LAST:event_btnPreviousActionPerformed

  void btnFirstActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnFirstActionPerformed
  {//GEN-HEADEREND:event_btnFirstActionPerformed
    // Add your handling code here:
    setPageIndex(0);
    refreshPage();
  }//GEN-LAST:event_btnFirstActionPerformed

  void btnReloadActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnReloadActionPerformed
  {//GEN-HEADEREND:event_btnReloadActionPerformed
    // Add your handling code here:
    if (type == TYPE_FILE_NAME)
    {
      try
      {
        loadReport(reportFileName, isXML);
      }
      catch (JRException e)
      {
        e.printStackTrace();

        jasperPrint = null;
        setPageIndex(0);
        refreshPage();

        JOptionPane.showMessageDialog(this, getBundleString("error.loading"));
      }

      forceRefresh();
    }
  }//GEN-LAST:event_btnReloadActionPerformed

  protected void forceRefresh()
  {
    zoom = 0;//force pageRefresh()
    realZoom = 0f;
    setZoomRatio(1);
  }

  void btnZoomInActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnZoomInActionPerformed
  {//GEN-HEADEREND:event_btnZoomInActionPerformed
    // Add your handling code here:
    btnActualSize.setSelected(false);
    btnFitPage.setSelected(false);
    btnFitWidth.setSelected(false);

    int newZoomInt = (int)(100 * getZoomRatio());
    int index = Arrays.binarySearch(zooms, newZoomInt);
    if (index < 0)
    {
      setZoomRatio(zooms[- index - 1] / 100f);
    }
    else if (index < cmbZoom.getModel().getSize() - 1)
    {
      setZoomRatio(zooms[index + 1] / 100f);
    }
  }//GEN-LAST:event_btnZoomInActionPerformed

  void btnZoomOutActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_btnZoomOutActionPerformed
  {//GEN-HEADEREND:event_btnZoomOutActionPerformed
    // Add your handling code here:
    btnActualSize.setSelected(false);
    btnFitPage.setSelected(false);
    btnFitWidth.setSelected(false);

    int newZoomInt = (int)(100 * getZoomRatio());
    int index = Arrays.binarySearch(zooms, newZoomInt);
    if (index > 0)
    {
      setZoomRatio(zooms[index - 1] / 100f);
    }
    else if (index < -1)
    {
      setZoomRatio(zooms[- index - 2] / 100f);
    }
  }//GEN-LAST:event_btnZoomOutActionPerformed

  void cmbZoomActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_cmbZoomActionPerformed
  {//GEN-HEADEREND:event_cmbZoomActionPerformed
    // Add your handling code here:
    float newZoom = getZoomRatio();

    if (newZoom < MIN_ZOOM)
    {
      newZoom = MIN_ZOOM;
    }

    if (newZoom > MAX_ZOOM)
    {
      newZoom = MAX_ZOOM;
    }

    setZoomRatio(newZoom);
  }//GEN-LAST:event_cmbZoomActionPerformed


  /**
  */
  void hyperlinkClicked(MouseEvent evt)
  {
    JPanel link = (JPanel)evt.getSource();
    JRPrintHyperlink element = (JRPrintHyperlink)linksMap.get(link);
    hyperlinkClicked(element);
  }


  protected void hyperlinkClicked(JRPrintHyperlink hyperlink)
  {
    try
    {
      JRHyperlinkListener listener = null;
      for(int i = 0; i < hyperlinkListeners.size(); i++)
      {
        listener = (JRHyperlinkListener)hyperlinkListeners.get(i);
        listener.gotoHyperlink(hyperlink);
      }
    }
    catch(JRException e)
    {
      e.printStackTrace();
      JOptionPane.showMessageDialog(this, getBundleString("error.hyperlink"));
    }
  }


  /**
  */
  public int getPageIndex()
  {
    return pageIndex;
  }


  /**
  */
  private void setPageIndex(int index)
  {
    if (
      jasperPrint != null &&
      jasperPrint.getPages() != null &&
      jasperPrint.getPages().size() > 0
      )
    {
      if (index >= 0 && index < jasperPrint.getPages().size())
      {
        pageIndex = index;
        pageError = false;
        btnFirst.setEnabled( (pageIndex > 0) );
        btnPrevious.setEnabled( (pageIndex > 0) );
        btnNext.setEnabled( (pageIndex < jasperPrint.getPages().size() - 1) );
        btnLast.setEnabled( (pageIndex < jasperPrint.getPages().size() - 1) );
        txtGoTo.setEnabled(btnFirst.isEnabled() || btnLast.isEnabled());
        txtGoTo.setText("" + (pageIndex + 1));
        lblStatus.setText(
          MessageFormat.format(
            getBundleString("page"),
            new Object[]{new Integer(pageIndex + 1), new Integer(jasperPrint.getPages().size())}
            )
          );
      }
    }
    else
    {
      btnFirst.setEnabled(false);
      btnPrevious.setEnabled(false);
      btnNext.setEnabled(false);
      btnLast.setEnabled(false);
      txtGoTo.setEnabled(false);
      txtGoTo.setText("");
      lblStatus.setText("");
    }
  }


  /**
  */
  protected void loadReport(String fileName, boolean isXmlReport) throws JRException
  {
    if (isXmlReport)
    {
      jasperPrint = JRPrintXmlLoader.load(fileName);
    }
    else
    {
      jasperPrint = (JasperPrint)JRLoader.loadObject(fileName);
    }

    type = TYPE_FILE_NAME;
    this.isXML = isXmlReport;
    reportFileName = fileName;
    btnReload.setEnabled(true);
    setPageIndex(0);
  }


  /**
  */
  protected void loadReport(InputStream is, boolean isXmlReport) throws JRException
  {
    if (isXmlReport)
    {
      jasperPrint = JRPrintXmlLoader.load(is);
    }
    else
    {
      jasperPrint = (JasperPrint)JRLoader.loadObject(is);
    }

    type = TYPE_INPUT_STREAM;
    this.isXML = isXmlReport;
    btnReload.setEnabled(false);
    setPageIndex(0);
  }


  /**
  */
  protected void loadReport(JasperPrint jrPrint)
  {
    jasperPrint = jrPrint;
    type = TYPE_OBJECT;
    isXML = false;
    btnReload.setEnabled(false);
    setPageIndex(0);
  }

  /**
  */
  protected void refreshPage()
  {
    if (
      jasperPrint == null ||
      jasperPrint.getPages() == null ||
      jasperPrint.getPages().size() == 0
      )
    {
      pnlPage.setVisible(false);
      btnSave.setEnabled(false);
      btnPrint.setEnabled(false);
      btnActualSize.setEnabled(false);
      btnFitPage.setEnabled(false);
      btnFitWidth.setEnabled(false);
      btnZoomIn.setEnabled(false);
      btnZoomOut.setEnabled(false);
      cmbZoom.setEnabled(false);

      if (jasperPrint != null)
      {
        JOptionPane.showMessageDialog(this, getBundleString("no.pages"));
      }

      return;
    }

    pnlPage.setVisible(true);
    btnSave.setEnabled(true);
    btnPrint.setEnabled(true);
    btnActualSize.setEnabled(true);
    btnFitPage.setEnabled(true);
    btnFitWidth.setEnabled(true);
    btnZoomIn.setEnabled(zoom < MAX_ZOOM);
    btnZoomOut.setEnabled(zoom > MIN_ZOOM);
    cmbZoom.setEnabled(true);

    Dimension dim = new Dimension(
      (int)(jasperPrint.getPageWidth() * realZoom) + 8, // 2 from border, 5 from shadow and 1 extra pixel for image
      (int)(jasperPrint.getPageHeight() * realZoom) + 8
      );
    pnlPage.setMaximumSize(dim);
    pnlPage.setMinimumSize(dim);
    pnlPage.setPreferredSize(dim);

    long maxImageSize = JRProperties.getLongProperty(VIEWER_RENDER_BUFFER_MAX_SIZE);
    boolean renderImage;
    if (maxImageSize <= 0)
    {
      renderImage = false;
    }
    else
    {
      long imageSize = JRPrinterAWT.getImageSize(jasperPrint, realZoom);
      renderImage = imageSize <= maxImageSize;
    }

    lblPage.setRenderImage(renderImage);

    if (renderImage)
    {
      setPageImage();
    }

    pnlLinks.removeAll();
    linksMap = new HashMap();

    createHyperlinks();

    if (!renderImage)
    {
      lblPage.setIcon(null);

      pnlMain.validate();
      pnlMain.repaint();
    }
  }


  protected void setPageImage()
  {
    Image image;
    if (pageError)
    {
      image = getPageErrorImage();
    }
    else
    {
      try
      {
        image = JasperPrintManager.printPageToImage(jasperPrint, pageIndex, realZoom);
      }
      catch (Exception e)
      {
        pageError = true;
        e.printStackTrace();

        image = getPageErrorImage();
        JOptionPane.showMessageDialog(this, java.util.ResourceBundle.getBundle("net/sf/jasperreports/view/viewer").getString("error.displaying"));
      }
    }
    ImageIcon imageIcon = new ImageIcon(image);
    lblPage.setIcon(imageIcon);
  }

  protected Image getPageErrorImage()
  {
    Image image = new BufferedImage(
        (int) (jasperPrint.getPageWidth() * realZoom) + 1,
        (int) (jasperPrint.getPageHeight() * realZoom) + 1,
        BufferedImage.TYPE_INT_RGB
        );
   
    Graphics2D grx = (Graphics2D) image.getGraphics();
    AffineTransform transform = new AffineTransform();
    transform.scale(realZoom, realZoom);
    grx.transform(transform);

    drawPageError((Graphics2D) grx);
   
    return image;
  }

  protected void createHyperlinks()
  {
    java.util.List pages = jasperPrint.getPages();
    JRPrintPage page = (JRPrintPage)pages.get(pageIndex);
    createHyperlinks(page.getElements(), 0, 0);
  }

  protected void createHyperlinks(List elements, int offsetX, int offsetY)
  {
    if(elements != null && elements.size() > 0)
    {
      for(Iterator it = elements.iterator(); it.hasNext();)
      {
        JRPrintElement element = (JRPrintElement)it.next();

        JRImageMapRenderer imageMap = null;
        if (element instanceof JRPrintImage)
        {
          JRRenderable renderer = ((JRPrintImage) element).getRenderer();
          if (renderer instanceof JRImageMapRenderer)
          {
            imageMap = (JRImageMapRenderer) renderer;
            if (!imageMap.hasImageAreaHyperlinks())
            {
              imageMap = null;
            }
          }
        }
        boolean hasImageMap = imageMap != null;

        JRPrintHyperlink hyperlink = null;
        if (element instanceof JRPrintHyperlink)
        {
          hyperlink = (JRPrintHyperlink) element;
        }
        boolean hasHyperlink = !hasImageMap
          && hyperlink != null && hyperlink.getHyperlinkType() != JRHyperlink.HYPERLINK_TYPE_NONE;
        boolean hasTooltip = hyperlink != null && hyperlink.getHyperlinkTooltip() != null;

        if (hasHyperlink || hasImageMap || hasTooltip)
        {
          JPanel link;
          if (hasImageMap)
          {
            Rectangle renderingArea = new Rectangle(0, 0, element.getWidth(), element.getHeight());
            link = new ImageMapPanel(renderingArea, imageMap);
          }
          else //hasImageMap
          {
            link = new JPanel();
            if (hasHyperlink)
            {
              link.addMouseListener(mouseListener);
            }
          }

          if (hasHyperlink)
          {
            link.setCursor(new Cursor(Cursor.HAND_CURSOR));
          }

          link.setLocation(
            (int)((element.getX() + offsetX) * realZoom),
            (int)((element.getY() + offsetY) * realZoom)
            );
          link.setSize(
            (int)(element.getWidth() * realZoom),
            (int)(element.getHeight() * realZoom)
            );
          link.setOpaque(false);

          String toolTip = getHyperlinkTooltip(hyperlink);
          if (toolTip == null && hasImageMap)
          {
            toolTip = "";//not null to register the panel as having a tool tip
          }
          link.setToolTipText(toolTip);

          pnlLinks.add(link);
          linksMap.put(link, element);
        }

        if (element instanceof JRPrintFrame)
        {
          JRPrintFrame frame = (JRPrintFrame) element;
          int frameOffsetX = offsetX + frame.getX() + frame.getLineBox().getLeftPadding().intValue();
          int frameOffsetY = offsetY + frame.getY() + frame.getLineBox().getTopPadding().intValue();
          createHyperlinks(frame.getElements(), frameOffsetX, frameOffsetY);
        }
      }
    }
  }


  protected class ImageMapPanel extends JPanel implements MouseListener, MouseMotionListener
  {
    private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;

    protected final List imageAreaHyperlinks;

    public ImageMapPanel(Rectangle renderingArea, JRImageMapRenderer imageMap)
    {
      try
      {
        imageAreaHyperlinks = imageMap.getImageAreaHyperlinks(renderingArea);//FIXMECHART
      }
      catch (JRException e)
      {
        throw new JRRuntimeException(e);
      }

      addMouseListener(this);
      addMouseMotionListener(this);
    }

    public String getToolTipText(MouseEvent event)
    {
      String tooltip = null;
      JRPrintImageAreaHyperlink imageMapArea = getImageMapArea(event);
      if (imageMapArea != null)
      {
        tooltip = getHyperlinkTooltip(imageMapArea.getHyperlink());
      }

      if (tooltip == null)
      {
        tooltip = super.getToolTipText(event);
      }

      return tooltip;
    }

    public void mouseDragged(MouseEvent e)
    {
      pnlLinksMouseDragged(e);
    }

    public void mouseMoved(MouseEvent e)
    {
      JRPrintImageAreaHyperlink imageArea = getImageMapArea(e);
      if (imageArea != null
          && imageArea.getHyperlink().getHyperlinkType() != JRHyperlink.HYPERLINK_TYPE_NONE)
      {
        e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
      }
      else
      {
        e.getComponent().setCursor(Cursor.getDefaultCursor());
      }
    }

    protected JRPrintImageAreaHyperlink getImageMapArea(MouseEvent e)
    {
      return getImageMapArea((int) (e.getX() / realZoom), (int) (e.getY() / realZoom));
    }

    protected JRPrintImageAreaHyperlink getImageMapArea(int x, int y)
    {
      JRPrintImageAreaHyperlink image = null;
      if (imageAreaHyperlinks != null)
      {
        for (ListIterator it = imageAreaHyperlinks.listIterator(imageAreaHyperlinks.size()); image == null && it.hasPrevious();)
        {
          JRPrintImageAreaHyperlink area = (JRPrintImageAreaHyperlink) it.previous();
          if (area.getArea().containsPoint(x, y))
          {
            image = area;
          }
        }
      }
      return image;
    }

    public void mouseClicked(MouseEvent e)
    {
      JRPrintImageAreaHyperlink imageMapArea = getImageMapArea(e);
      if (imageMapArea != null)
      {
        hyperlinkClicked(imageMapArea.getHyperlink());
      }
    }

    public void mouseEntered(MouseEvent e)
    {
    }

    public void mouseExited(MouseEvent e)
    {
    }

    public void mousePressed(MouseEvent e)
    {
      e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
      pnlLinksMousePressed(e);
    }

    public void mouseReleased(MouseEvent e)
    {
      e.getComponent().setCursor(Cursor.getDefaultCursor());
      pnlLinksMouseReleased(e);
    }
  }


  protected String getHyperlinkTooltip(JRPrintHyperlink hyperlink)
  {
    String toolTip;
    toolTip = hyperlink.getHyperlinkTooltip();
    if (toolTip == null)
    {
      toolTip = getFallbackTooltip(hyperlink);
    }
    return toolTip;
  }


  protected String getFallbackTooltip(JRPrintHyperlink hyperlink)
  {
    String toolTip = null;
    switch(hyperlink.getHyperlinkType())
    {
      case JRHyperlink.HYPERLINK_TYPE_REFERENCE :
      {
        toolTip = hyperlink.getHyperlinkReference();
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_LOCAL_ANCHOR :
      {
        if (hyperlink.getHyperlinkAnchor() != null)
        {
          toolTip = "#" + hyperlink.getHyperlinkAnchor();
        }
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_LOCAL_PAGE :
      {
        if (hyperlink.getHyperlinkPage() != null)
        {
          toolTip = "#page " + hyperlink.getHyperlinkPage();
        }
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_REMOTE_ANCHOR :
      {
        toolTip = "";
        if (hyperlink.getHyperlinkReference() != null)
        {
          toolTip = toolTip + hyperlink.getHyperlinkReference();
        }
        if (hyperlink.getHyperlinkAnchor() != null)
        {
          toolTip = toolTip + "#" + hyperlink.getHyperlinkAnchor();
        }
        break;
      }
      case JRHyperlink.HYPERLINK_TYPE_REMOTE_PAGE :
      {
        toolTip = "";
        if (hyperlink.getHyperlinkReference() != null)
        {
          toolTip = toolTip + hyperlink.getHyperlinkReference();
        }
        if (hyperlink.getHyperlinkPage() != null)
        {
          toolTip = toolTip + "#page " + hyperlink.getHyperlinkPage();
        }
        break;
      }
      default :
      {
        break;
      }
    }
    return toolTip;
  }


  /**
  */
  private void emptyContainer(Container container)
  {
    Component[] components = container.getComponents();

    if (components != null)
    {
      for(int i = 0; i < components.length; i++)
      {
        if (components[i] instanceof Container)
        {
          emptyContainer((Container)components[i]);
        }
      }
    }

    components = null;
    container.removeAll();
    container = null;
  }


  /**
  */
  private float getZoomRatio()
  {
    float newZoom = zoom;

    try
    {
      newZoom =
        zoomDecimalFormat.parse(
          String.valueOf(cmbZoom.getEditor().getItem())
          ).floatValue() / 100f;
    }
    catch(ParseException e)
    {
    }

    return newZoom;
  }


  /**
  */
  public void setZoomRatio(float newZoom)
  {
    if (newZoom > 0)
    {
      cmbZoom.getEditor().setItem(
        zoomDecimalFormat.format(newZoom * 100) + "%"
        );

      if (zoom != newZoom)
      {
        zoom = newZoom;
        realZoom = zoom * screenResolution / REPORT_RESOLUTION;

        refreshPage();
      }
    }
  }


  /**
  */
  private void setRealZoomRatio(float newZoom)
  {
    if (newZoom > 0 && realZoom != newZoom)
    {
      zoom = newZoom * REPORT_RESOLUTION / screenResolution;
      realZoom = newZoom;

      cmbZoom.getEditor().setItem(
        zoomDecimalFormat.format(zoom * 100) + "%"
        );

      refreshPage();
    }
  }


  /**
   *
   */
  public void setFitWidthZoomRatio()
  {
    setRealZoomRatio(((float)pnlInScroll.getVisibleRect().getWidth() - 20f) / jasperPrint.getPageWidth());

  }

  public void setFitPageZoomRatio()
  {
    setRealZoomRatio(((float)pnlInScroll.getVisibleRect().getHeight() - 20f) / jasperPrint.getPageHeight());
  }


  /**
   *
   */
  protected JRGraphics2DExporter getGraphics2DExporter() throws JRException
  {
    return new JRGraphics2DExporter();
  }

  /**
   *
   */
  protected void paintPage(Graphics2D grx)
  {
    if (pageError)
    {
      paintPageError(grx);
      return;
    }
   
    try
    {
      if (exporter == null)
      {
        exporter = getGraphics2DExporter();
      }
      else
      {
        exporter.reset();
      }

      exporter.setParameter(JRExporterParameter.JASPER_PRINT, jasperPrint);
      exporter.setParameter(JRGraphics2DExporterParameter.GRAPHICS_2D, grx.create());
      exporter.setParameter(JRExporterParameter.PAGE_INDEX, new Integer(pageIndex));
      exporter.setParameter(JRGraphics2DExporterParameter.ZOOM_RATIO, new Float(realZoom));
      exporter.setParameter(JRExporterParameter.OFFSET_X, new Integer(1)); //lblPage border
      exporter.setParameter(JRExporterParameter.OFFSET_Y, new Integer(1));
      exporter.exportReport();
    }
    catch(Exception e)
    {
      pageError = true;
      e.printStackTrace();
     
      paintPageError(grx);
      SwingUtilities.invokeLater(new Runnable()
      {
        public void run()
        {
          JOptionPane.showMessageDialog(JRViewer300.this, getBundleString("error.displaying"));
        }
      });
    }

  }

  protected void paintPageError(Graphics2D grx)
  {
    AffineTransform origTransform = grx.getTransform();
   
    AffineTransform transform = new AffineTransform();
    transform.translate(1, 1);
    transform.scale(realZoom, realZoom);
    grx.transform(transform);
   
    try
    {
      drawPageError(grx);
    }
    finally
    {
      grx.setTransform(origTransform);
    }
  }

  protected void drawPageError(Graphics grx)
  {
    grx.setColor(Color.white);
    grx.fillRect(0, 0, jasperPrint.getPageWidth() + 1, jasperPrint.getPageHeight() + 1);
  }

  protected void keyNavigate(KeyEvent evt)
  {
    boolean refresh = true;
    switch (evt.getKeyCode())
    {
    case KeyEvent.VK_DOWN:
    case KeyEvent.VK_PAGE_DOWN:
      dnNavigate(evt);
      break;
    case KeyEvent.VK_UP:
    case KeyEvent.VK_PAGE_UP:
      upNavigate(evt);
      break;
    case KeyEvent.VK_HOME:
      homeEndNavigate(0);
      break;
    case KeyEvent.VK_END:
      homeEndNavigate(jasperPrint.getPages().size() - 1);
      break;
    default:
      refresh = false;
    }
   
    if (refresh)
    {
      refreshPage();
    }
  }

  private void dnNavigate(KeyEvent evt)
  {
    int bottomPosition = scrollPane.getVerticalScrollBar().getValue();
    scrollPane.dispatchEvent(evt);
    if((scrollPane.getViewport().getHeight() > pnlPage.getHeight() ||
        scrollPane.getVerticalScrollBar().getValue() == bottomPosition) &&
        pageIndex < jasperPrint.getPages().size() - 1)
    {
      setPageIndex(pageIndex + 1);
      if(scrollPane.isEnabled())
        scrollPane.getVerticalScrollBar().setValue(0);
    }
  }

  private void upNavigate(KeyEvent evt)
  {
    if((scrollPane.getViewport().getHeight() > pnlPage.getHeight() ||
        scrollPane.getVerticalScrollBar().getValue() == 0) &&
        pageIndex > 0)
    {
      setPageIndex(pageIndex - 1);
      if(scrollPane.isEnabled())
        scrollPane.getVerticalScrollBar().setValue(scrollPane.getVerticalScrollBar().getMaximum());
    }
    else
    {
      scrollPane.dispatchEvent(evt);
    }
  }

  private void homeEndNavigate(int pageNumber)
  {
    setPageIndex(pageNumber);
    if(scrollPane.isEnabled())
      scrollPane.getVerticalScrollBar().setValue(0);
  }

  /**
   *
  */
  private void fitPage(){
    float heightRatio = ((float)pnlInScroll.getVisibleRect().getHeight() - 20f) / jasperPrint.getPageHeight();
    float widthRatio = ((float)pnlInScroll.getVisibleRect().getWidth() - 20f) / jasperPrint.getPageWidth();
    setRealZoomRatio(heightRatio < widthRatio ? heightRatio : widthRatio);
  }

  /**
  */
  class PageRenderer extends JLabel
  {
    private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;

    private boolean renderImage;
    JRViewer300 viewer = null;

    public PageRenderer(JRViewer300 viewer)
    {
      this.viewer = viewer;
    }

    public void paintComponent(Graphics g)
    {
      if (isRenderImage())
      {
        super.paintComponent(g);
      }
      else
      {
        viewer.paintPage((Graphics2D)g.create());
      }
    }

    public boolean isRenderImage()
    {
      return renderImage;
    }

    public void setRenderImage(boolean renderImage)
    {
      this.renderImage = renderImage;
    }
  }

    // Variables declaration - do not modify//GEN-BEGIN:variables
    protected javax.swing.JToggleButton btnActualSize;
    protected javax.swing.JButton btnFirst;
    protected javax.swing.JToggleButton btnFitPage;
    protected javax.swing.JToggleButton btnFitWidth;
    protected javax.swing.JButton btnLast;
    protected javax.swing.JButton btnNext;
    protected javax.swing.JButton btnPrevious;
    protected javax.swing.JButton btnPrint;
    protected javax.swing.JButton btnReload;
    protected javax.swing.JButton btnSave;
    protected javax.swing.JButton btnZoomIn;
    protected javax.swing.JButton btnZoomOut;
    protected javax.swing.JComboBox cmbZoom;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JPanel jPanel4;
    private javax.swing.JPanel jPanel5;
    private javax.swing.JPanel jPanel6;
    private javax.swing.JPanel jPanel7;
    private javax.swing.JPanel jPanel8;
    private javax.swing.JPanel jPanel9;
    private javax.swing.JToolBar.Separator jSeparator1;
    private javax.swing.JToolBar.Separator jSeparator2;
    private javax.swing.JToolBar.Separator jSeparator3;
    private javax.swing.JToolBar.Separator jSeparator4;
    private javax.swing.JToolBar jToolBar1;
    private PageRenderer lblPage;
    protected javax.swing.JLabel lblStatus;
    private javax.swing.JPanel pnlInScroll;
    private javax.swing.JPanel pnlLinks;
    private javax.swing.JPanel pnlMain;
    private javax.swing.JPanel pnlPage;
    private javax.swing.JScrollPane scrollPane;
    protected javax.swing.JTextField txtGoTo;
    // End of variables declaration//GEN-END:variables

}
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