jrviewermod.java

是一个专门设计用于触摸屏的POS(point of sales)应用软件

/*
 * ============================================================================
 *                   The JasperReports License, Version 1.0
 * ============================================================================
 * 
 * Copyright (C) 2001-2004 Teodor Danciu ([e-mail]). All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * 3. The end-user documentation included with the redistribution, if any, must
 *    include the following acknowledgment: "This product includes software
 *    developed by Teodor Danciu (http://jasperreports.sourceforge.net)."
 *    Alternately, this acknowledgment may appear in the software itself, if
 *    and wherever such third-party acknowledgments normally appear.
 * 
 * 4. The name "JasperReports" must not be used to endorse or promote products 
 *    derived from this software without prior written permission. For written 
 *    permission, please contact [e-mail].
 * 
 * 5. Products derived from this software may not be called "JasperReports", nor 
 *    may "JasperReports" appear in their name, without prior written permission
 *    of Teodor Danciu.
 * 
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS  FOR A PARTICULAR  PURPOSE ARE  DISCLAIMED.  IN NO  EVENT SHALL  THE
 * APACHE SOFTWARE  FOUNDATION  OR ITS CONTRIBUTORS  BE LIABLE FOR  ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLU-
 * DING, BUT NOT LIMITED TO, PROCUREMENT  OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR  PROFITS; OR BUSINESS  INTERRUPTION)  HOWEVER CAUSED AND ON
 * ANY  THEORY OF LIABILITY,  WHETHER  IN CONTRACT,  STRICT LIABILITY,  OR TORT
 * (INCLUDING  NEGLIGENCE OR  OTHERWISE) ARISING IN  ANY WAY OUT OF THE  USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * ============================================================================
 *                   GNU Lesser General Public License
 * ============================================================================
 *
 * JasperReports - Free Java report-generating library.
 * Copyright (C) 2001-2004 Teodor Danciu [e-mail]
 * 
 * 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.
 * 
 * Teodor Danciu
 * 173, Calea Calarasilor, Bl. 42, Sc. 1, Ap. 18
 * Postal code 030615, Sector 3
 * Bucharest, ROMANIA
 * Email: [e-mail]
 */

/*
 * Contributors:
 * Ryan Johnson - [e-mail]
 * Carlton Moore - [e-mail]
 */
package net.adrianromero.tpv.reports;

import java.awt.Component;
import java.awt.Container;
import java.awt.Cursor;
import java.awt.Dimension;
import java.awt.Image;
import java.awt.Point;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.File;
import java.io.InputStream;
import java.text.DecimalFormat;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.ResourceBundle;

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

import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRHyperlink;
import net.sf.jasperreports.engine.JRPrintAnchorIndex;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRPrintHyperlink;
import net.sf.jasperreports.engine.JRPrintPage;
import net.sf.jasperreports.engine.JasperPrint;
import net.sf.jasperreports.engine.JasperPrintManager;
import net.sf.jasperreports.engine.util.JRClassLoader;
import net.sf.jasperreports.engine.util.JRLoader;
import net.sf.jasperreports.engine.util.JRSaver;
import net.sf.jasperreports.engine.xml.JRPrintXmlLoader;
import net.sf.jasperreports.view.*;


/**
 * @author Teodor Danciu ([e-mail])
 * @version $Id: JRViewer.java,v 1.10 2004/08/29 18:35:49 teodord Exp $
 */
public class JRViewerMod extends javax.swing.JPanel implements JRHyperlinkListener
{

	/**
	 *
	 */
	private static final int TYPE_FILE_NAME = 1;
	private static final int TYPE_INPUT_STREAM = 2;
	private static final int TYPE_JASPER_PRINT = 3;

	protected float MIN_ZOOM = 0.5f;
	protected float MAX_ZOOM = 2.5f;
	protected int zooms[] = {50, 75, 100, 125, 150, 175, 200, 250};
	// protected int defaultZoomIndex = 2;

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

	private DecimalFormat zoomDecimalFormat = new DecimalFormat("#.##");

	private int downX = 0;
	private int downY = 0;
    
        private static ResourceBundle m_messages = ResourceBundle.getBundle("net/adrianromero/tpv/i18n/jrmessages");     

	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);
			}
		};


	/** Creates new form JRViewer */
	public JRViewerMod(String fileName, boolean isXML) throws JRException
	{
		setZooms();
		
		initComponents();
		
		loadReport(fileName, isXML);
		setPageIndex(0);
        //force pageRefresh()
        zoom = 0;
        setZoomRatio(1);
		
		addHyperlinkListener(this);
	}

	
	/** Creates new form JRViewer */
	public JRViewerMod(InputStream is, boolean isXML) throws JRException
	{
		setZooms();
		
		initComponents();
		
		loadReport(is, isXML);
		setPageIndex(0);
        //force pageRefresh()
        zoom = 0;
        setZoomRatio(1);

		addHyperlinkListener(this);
	}

	
	/** Creates new form JRViewer */
	public JRViewerMod(JasperPrint jrPrint) throws JRException
	{
		setZooms();		
		initComponents();		
		loadJasperPrint(jrPrint);
		addHyperlinkListener(this);
	}
    
	public JRViewerMod() throws JRException	{
		setZooms();		
		initComponents();		
		loadJasperPrint(null);
		addHyperlinkListener(this);
	}
    
    public void loadJasperPrint(JasperPrint jrPrint) throws JRException {
 		loadReport(jrPrint);
		setPageIndex(0);
        //force pageRefresh()
        zoom = 0;
        setZoomRatio(1);
    }
	
	/**
	 *
	 */
	public void clear()
	{
		emptyContainer(this);
		jasperPrint = null;
	}


	/**
	 *
	 */
	protected void setZooms()
	{
	}
    
        public static String getIntString(String sKey) {
            return m_messages.getString(sKey);
        }

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


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


	/**
	 *
	 */
	public void gotoHyperlink(JRPrintHyperlink hyperlink) throws JRException
	{
		switch(hyperlink.getHyperlinkType())
		{
			case JRHyperlink.HYPERLINK_TYPE_REFERENCE :
			{
				if (hyperlinkListeners != null && hyperlinkListeners.size() > 1)
				{
					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.getElement().getX() * zoom);
						int newY = (int)(anchorIndex.getElement().getY() * zoom);

						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 (hyperlinkListeners != null && hyperlinkListeners.size() > 1)
				{
					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 (hyperlinkListeners != null && hyperlinkListeners.size() > 1)
				{
					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_NONE :
			default :
			{
				break;
			}
		}
	}

	
    /** 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.