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net.sf.jasperreports.swing.JRViewerPanel Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 JasperReports. If not, see [email protected] )
*/
public class JRViewerPanel extends JPanel implements JRHyperlinkListener, JRViewerListener
{
private static final Log log = LogFactory.getLog(JRViewerPanel.class);
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
/**
* The DPI of the generated report.
*/
public static final int REPORT_RESOLUTION = 72;
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 PageRenderer lblPage;
private javax.swing.JPanel pnlInScroll;
private javax.swing.JPanel pnlLinks;
private javax.swing.JPanel pnlPage;
private javax.swing.JTabbedPane pnlTabs;
private javax.swing.JScrollPane scrollPane;
protected final JRViewerController viewerContext;
private JRGraphics2DExporter exporter;
private boolean pageError;
private int downX;
private int downY;
private boolean pnlTabsChangeListenerEnabled = true;
private List hyperlinkListeners = new ArrayList();
private Map linksMap = new HashMap();
/**
* the screen resolution.
*/
private int screenResolution = REPORT_RESOLUTION;
/**
* the zoom ratio adjusted to the screen resolution.
*/
protected float realZoom;
private MouseListener mouseListener =
new java.awt.event.MouseAdapter()
{
@Override
public void mouseClicked(java.awt.event.MouseEvent evt)
{
hyperlinkClicked(evt);
}
};
protected KeyListener keyNavigationListener = new KeyListener()
{
@Override
public void keyTyped(KeyEvent evt)
{
}
@Override
public void keyPressed(KeyEvent evt)
{
keyNavigate(evt);
}
@Override
public void keyReleased(KeyEvent evt)
{
}
};
public JRViewerPanel(JRViewerController viewerContext)
{
this.viewerContext = viewerContext;
this.viewerContext.addListener(this);
setScreenDetails();
initComponents();
addHyperlinkListener(this);
}
private void initComponents()
{
scrollPane = new javax.swing.JScrollPane();
scrollPane.getHorizontalScrollBar().setUnitIncrement(5);
scrollPane.getVerticalScrollBar().setUnitIncrement(5);
pnlTabs = new javax.swing.JTabbedPane();
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();
setMinimumSize(new java.awt.Dimension(450, 150));
setPreferredSize(new java.awt.Dimension(450, 150));
setLayout(new java.awt.BorderLayout());
addComponentListener(new java.awt.event.ComponentAdapter() {
@Override
public void componentResized(java.awt.event.ComponentEvent evt) {
pnlMainComponentResized(evt);
}
});
pnlTabs.addChangeListener(new javax.swing.event.ChangeListener() {
@Override
public void stateChanged(javax.swing.event.ChangeEvent evt) {
pnlTabsStateChanged(evt);
}
});
add(pnlTabs, java.awt.BorderLayout.CENTER);
scrollPane.setHorizontalScrollBarPolicy(javax.swing.ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
scrollPane.setVerticalScrollBarPolicy(javax.swing.ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
pnlInScroll.setLayout(new java.awt.GridBagLayout());
pnlPage.setLayout(new java.awt.BorderLayout());
pnlPage.setMinimumSize(new java.awt.Dimension(100, 100));
pnlPage.setPreferredSize(new java.awt.Dimension(100, 100));
jPanel4.setLayout(new java.awt.GridBagLayout());
jPanel4.setMinimumSize(new java.awt.Dimension(100, 120));
jPanel4.setPreferredSize(new java.awt.Dimension(100, 120));
pnlLinks.setLayout(null);
pnlLinks.setMinimumSize(new java.awt.Dimension(5, 5));
pnlLinks.setPreferredSize(new java.awt.Dimension(5, 5));
pnlLinks.setOpaque(false);
pnlLinks.addMouseListener(new java.awt.event.MouseAdapter() {
@Override
public void mousePressed(java.awt.event.MouseEvent evt) {
pnlLinksMousePressed(evt);
}
@Override
public void mouseReleased(java.awt.event.MouseEvent evt) {
pnlLinksMouseReleased(evt);
}
});
pnlLinks.addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
@Override
public void mouseDragged(java.awt.event.MouseEvent evt) {
pnlLinksMouseDragged(evt);
}
});
GridBagConstraints 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);
add(scrollPane, java.awt.BorderLayout.CENTER);
}
public KeyListener getKeyNavigationListener()
{
return keyNavigationListener;
}
protected void setScreenDetails()
{
screenResolution = Toolkit.getDefaultToolkit().getScreenResolution();
}
public void addHyperlinkListener(JRHyperlinkListener listener)
{
hyperlinkListeners.add(listener);
}
public void removeHyperlinkListener(JRHyperlinkListener listener)
{
hyperlinkListeners.remove(listener);
}
public JRHyperlinkListener[] getHyperlinkListeners()
{
return hyperlinkListeners.toArray(new JRHyperlinkListener[hyperlinkListeners.size()]);
}
@Override
public void gotoHyperlink(JRPrintHyperlink hyperlink)
{
switch(hyperlink.getHyperlinkTypeValue())
{
case 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 LOCAL_ANCHOR :
{
if (hyperlink.getHyperlinkAnchor() != null)
{
Map anchorIndexes = viewerContext.getJasperPrint().getAnchorIndexes();
JRPrintAnchorIndex anchorIndex = anchorIndexes.get(hyperlink.getHyperlinkAnchor());
if (anchorIndex.getPageIndex() != viewerContext.getPageIndex())
{
viewerContext.setPageIndex(anchorIndex.getPageIndex());
viewerContext.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 LOCAL_PAGE :
{
int page = viewerContext.getPageIndex() + 1;
if (hyperlink.getHyperlinkPage() != null)
{
page = hyperlink.getHyperlinkPage().intValue();
}
if (page >= 1 && page <= viewerContext.getJasperPrint().getPages().size() && page != viewerContext.getPageIndex() + 1)
{
viewerContext.setPageIndex(page - 1);
viewerContext.refreshPage();
Container container = pnlInScroll.getParent();
if (container instanceof JViewport)
{
JViewport viewport = (JViewport) container;
viewport.setViewPosition(new Point(0, 0));
}
}
break;
}
case 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 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 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 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;
}
protected void paintPage(Graphics2D grx)
{
if (pageError)
{
paintPageError(grx);
return;
}
try
{
if (exporter == null)
{
exporter = getGraphics2DExporter();
}
else
{
exporter.reset();
}
exporter.setExporterInput(new SimpleExporterInput(viewerContext.getJasperPrint()));
SimpleGraphics2DReportConfiguration configuration = new SimpleGraphics2DReportConfiguration();
configuration.setPageIndex(viewerContext.getPageIndex());
configuration.setZoomRatio(realZoom);
configuration.setOffsetX(1); //lblPage border
configuration.setOffsetY(1);
exporter.setConfiguration(configuration);
SimpleGraphics2DExporterOutput output = new SimpleGraphics2DExporterOutput();
Graphics2D g = (Graphics2D)grx.create();
output.setGraphics2D(g);
exporter.setExporterOutput(output);
try
{
exporter.exportReport();
}
finally
{
g.dispose();
}
}
catch(Exception e)
{
if (log.isErrorEnabled())
{
log.error("Page paint error.", e);
}
pageError = true;
paintPageError(grx);
SwingUtilities.invokeLater(new Runnable()
{
@Override
public void run()
{
JOptionPane.showMessageDialog(JRViewerPanel.this, viewerContext.getBundleString("error.displaying"));
}
});
}
}
protected JRGraphics2DExporter getGraphics2DExporter() throws JRException
{
return
new JRGraphics2DExporter(viewerContext.getJasperReportsContext())
{
@Override
protected RenderersCache getRenderersCache()
{
return viewerContext.getRenderersCache();
}
};
}
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)
{
PrintPageFormat pageFormat = viewerContext.getPageFormat();
grx.setColor(Color.white);
grx.fillRect(0, 0, pageFormat.getPageWidth() + 1, pageFormat.getPageHeight() + 1);
}
class PageRenderer extends JLabel
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private boolean renderImage;
public PageRenderer()
{
}
@Override
public void paintComponent(Graphics g)
{
if (isRenderImage())
{
super.paintComponent(g);
}
else
{
Graphics2D grx = (Graphics2D)g.create();
try
{
paintPage(grx);
}
finally
{
grx.dispose();
}
}
}
public boolean isRenderImage()
{
return renderImage;
}
public void setRenderImage(boolean renderImage)
{
this.renderImage = renderImage;
}
}
void pnlMainComponentResized(java.awt.event.ComponentEvent evt) {//GEN-FIRST:event_pnlMainComponentResized
// Add your handling code here:
if (viewerContext.isFitPage())
{
viewerContext.fitPage();
}
else if (viewerContext.isFitWidth())
{
viewerContext.fitWidth();
}
}//GEN-LAST:event_pnlMainComponentResized
protected void fitPage()
{
PrintPageFormat pageFormat = viewerContext.getPageFormat();
float heightRatio = getPageCanvasHeight() / pageFormat.getPageHeight();
float widthRatio = getPageCanvasWidth() / pageFormat.getPageWidth();
setRealZoomRatio(heightRatio < widthRatio ? heightRatio : widthRatio);
}
protected void fitWidth()
{
setRealZoomRatio(getPageCanvasWidth() / viewerContext.getPageFormat().getPageWidth());
}
protected float getPageCanvasWidth()
{
return (float) pnlInScroll.getVisibleRect().getWidth() - 20f;
}
protected float getPageCanvasHeight()
{
return (float) pnlInScroll.getVisibleRect().getHeight() - 20f;
}
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 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
private void pnlTabsStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_pnlTabsStateChanged
if (pnlTabsChangeListenerEnabled)
{
((JPanel)pnlTabs.getSelectedComponent()).add(scrollPane);
Integer pgIdx = 0;
Integer partIndex = pnlTabs.getSelectedIndex();
if (partIndex > 0)
{
JasperPrint jasperPrint = viewerContext.getJasperPrint();
PrintParts parts = jasperPrint == null ? null : jasperPrint.getParts();
if (parts != null && parts.hasParts())
{
partIndex = parts.startsAtZero() ? partIndex : partIndex - 1;
pgIdx = parts.getStartPageIndex(partIndex);
}
}
viewerContext.setPageIndex(pgIdx);
viewerContext.refreshPage();
}
}//GEN-LAST:event_pnlTabsStateChanged
protected void pageChanged()
{
if (viewerContext.hasPages())
{
pageError = false;
if (viewerContext.getJasperPrint().hasParts())
{
PrintParts parts = viewerContext.getJasperPrint().getParts();
Integer pageIndex = viewerContext.getPageIndex();
Integer partIndex = parts.getPartIndex(pageIndex);
Integer tabIndex = partIndex - (parts.startsAtZero() ? 1 : 0);
if (tabIndex < pnlTabs.getComponentCount())
{
pnlTabsChangeListenerEnabled = false;
pnlTabs.setSelectedIndex(tabIndex);
((JPanel)pnlTabs.getSelectedComponent()).add(scrollPane);
pnlTabsChangeListenerEnabled = true;
}
}
}
}
protected void refreshTabs()
{
pnlTabsChangeListenerEnabled = false;
pnlTabs.removeAll();
removeAll();
JasperPrint jasperPrint = viewerContext.getJasperPrint();
PrintParts parts = jasperPrint == null ? null : jasperPrint.getParts();
if (parts == null || !parts.hasParts())
{
add(scrollPane, java.awt.BorderLayout.CENTER);
}
else
{
if (!parts.startsAtZero())
{
JPanel partTab = new JPanel();
partTab.setLayout(new BorderLayout());
partTab.setName(viewerContext.getJasperPrint().getName());
pnlTabs.add(partTab);
}
for (Iterator> it = parts.partsIterator(); it.hasNext();)
{
PrintPart part = it.next().getValue();
JPanel partTab = new JPanel();
partTab.setLayout(new BorderLayout());
partTab.setName(part.getName());
pnlTabs.add(partTab);
}
add(pnlTabs, java.awt.BorderLayout.CENTER);
}
pnlTabsChangeListenerEnabled = true;
}
protected void refreshPage()
{
if (!viewerContext.hasPages())
{
pnlPage.setVisible(false);
if (viewerContext.getJasperPrint() != null)
{
JOptionPane.showMessageDialog(this, viewerContext.getBundleString("no.pages"));
}
return;
}
pnlPage.setVisible(true);
PrintPageFormat pageFormat = viewerContext.getPageFormat();
Dimension dim = new Dimension(
(int)(pageFormat.getPageWidth() * realZoom) + 8, // 2 from border, 5 from shadow and 1 extra pixel for image
(int)(pageFormat.getPageHeight() * realZoom) + 8
);
pnlPage.setMaximumSize(dim);
pnlPage.setMinimumSize(dim);
pnlPage.setPreferredSize(dim);
long maxImageSize = JRPropertiesUtil.getInstance(viewerContext.getJasperReportsContext()).getLongProperty(JRViewer.VIEWER_RENDER_BUFFER_MAX_SIZE);
boolean renderImage;
if (maxImageSize <= 0)
{
renderImage = false;
}
else
{
long imageSize = ((int) (pageFormat.getPageWidth() * realZoom) + 1) * ((int) (pageFormat.getPageHeight() * realZoom) + 1);
renderImage = imageSize <= maxImageSize;
}
lblPage.setRenderImage(renderImage);
if (renderImage)
{
setPageImage();
}
pnlLinks.removeAll();
linksMap = new HashMap();
createHyperlinks();
if (!renderImage)
{
lblPage.setIcon(null);
validate();
repaint();
}
}
protected void setPageImage()
{
Image image;
if (pageError)
{
image = getPageErrorImage();
}
else
{
try
{
image = JasperPrintManager.getInstance(viewerContext.getJasperReportsContext()).printToImage(viewerContext.getJasperPrint(), viewerContext.getPageIndex(), realZoom);
}
catch (Exception e)
{
if (log.isErrorEnabled())
{
log.error("Print page to image error.", e);
}
pageError = true;
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()
{
PrintPageFormat pageFormat = viewerContext.getPageFormat();
Image image = new BufferedImage(
(int) (pageFormat.getPageWidth() * realZoom) + 1,
(int) (pageFormat.getPageHeight() * realZoom) + 1,
BufferedImage.TYPE_INT_RGB
);
AffineTransform transform = new AffineTransform();
transform.scale(realZoom, realZoom);
Graphics2D grx = (Graphics2D) image.getGraphics();
try
{
grx.transform(transform);
drawPageError(grx);
}
finally
{
grx.dispose();
}
return image;
}
protected void zoomChanged()
{
realZoom = viewerContext.getZoom() * screenResolution / REPORT_RESOLUTION;
}
protected void createHyperlinks()
{
List pages = viewerContext.getJasperPrint().getPages();
JRPrintPage page = pages.get(viewerContext.getPageIndex());
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 = it.next();
AreaHyperlinksRenderable imageMap = null;
if (element instanceof JRPrintImage)
{
Renderable renderer = ((JRPrintImage) element).getRenderer();
if (renderer instanceof AreaHyperlinksRenderable)
{
imageMap = (AreaHyperlinksRenderable) 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.getHyperlinkTypeValue() != HyperlinkTypeEnum.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, hyperlink);
}
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, AreaHyperlinksRenderable imageMap)
{
try
{
imageAreaHyperlinks = imageMap.getImageAreaHyperlinks(renderingArea);//FIXMECHART
}
catch (JRException e)
{
throw new JRRuntimeException(e);
}
addMouseListener(this);
addMouseMotionListener(this);
}
@Override
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;
}
@Override
public void mouseDragged(MouseEvent e)
{
pnlLinksMouseDragged(e);
}
@Override
public void mouseMoved(MouseEvent e)
{
JRPrintImageAreaHyperlink imageArea = getImageMapArea(e);
if (imageArea != null
&& imageArea.getHyperlink().getHyperlinkTypeValue() != HyperlinkTypeEnum.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 = it.previous();
if (area.getArea().containsPoint(x, y))
{
image = area;
}
}
}
return image;
}
@Override
public void mouseClicked(MouseEvent e)
{
JRPrintImageAreaHyperlink imageMapArea = getImageMapArea(e);
if (imageMapArea != null)
{
hyperlinkClicked(imageMapArea.getHyperlink());
}
}
@Override
public void mouseEntered(MouseEvent e)
{
}
@Override
public void mouseExited(MouseEvent e)
{
}
@Override
public void mousePressed(MouseEvent e)
{
e.getComponent().setCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
pnlLinksMousePressed(e);
}
@Override
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.getHyperlinkTypeValue())
{
case REFERENCE :
{
toolTip = hyperlink.getHyperlinkReference();
break;
}
case LOCAL_ANCHOR :
{
if (hyperlink.getHyperlinkAnchor() != null)
{
toolTip = "#" + hyperlink.getHyperlinkAnchor();
}
break;
}
case LOCAL_PAGE :
{
if (hyperlink.getHyperlinkPage() != null)
{
toolTip = "#page " + hyperlink.getHyperlinkPage();
}
break;
}
case REMOTE_ANCHOR :
{
toolTip = "";
if (hyperlink.getHyperlinkReference() != null)
{
toolTip = toolTip + hyperlink.getHyperlinkReference();
}
if (hyperlink.getHyperlinkAnchor() != null)
{
toolTip = toolTip + "#" + hyperlink.getHyperlinkAnchor();
}
break;
}
case 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;
}
void hyperlinkClicked(MouseEvent evt)
{
JPanel link = (JPanel)evt.getSource();
JRPrintHyperlink element = linksMap.get(link);
hyperlinkClicked(element);
}
protected void hyperlinkClicked(JRPrintHyperlink hyperlink)
{
try
{
JRHyperlinkListener listener = null;
for(int i = 0; i < hyperlinkListeners.size(); i++)
{
listener = hyperlinkListeners.get(i);
listener.gotoHyperlink(hyperlink);
}
}
catch(JRException e)
{
if (log.isErrorEnabled())
{
log.error("Hyperlink click error.", e);
}
JOptionPane.showMessageDialog(this, viewerContext.getBundleString("error.hyperlink"));
}
}
protected void setRealZoomRatio(float newZoom)
{
if (newZoom > 0 && realZoom != newZoom)
{
float zoom = newZoom * REPORT_RESOLUTION / screenResolution;
viewerContext.setZoomRatio(zoom);
}
}
public void setFitWidthZoomRatio()
{
setRealZoomRatio(getPageCanvasWidth() / viewerContext.getPageFormat().getPageWidth());
}
public void setFitPageZoomRatio()
{
setRealZoomRatio(getPageCanvasHeight() / viewerContext.getPageFormat().getPageHeight());
}
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(viewerContext.getPageCount() - 1);
break;
default:
refresh = false;
}
if (refresh)
{
viewerContext.refreshPage();
}
}
protected void dnNavigate(KeyEvent evt)
{
int bottomPosition = scrollPane.getVerticalScrollBar().getValue();
scrollPane.dispatchEvent(evt);
if((scrollPane.getViewport().getHeight() > pnlPage.getHeight() ||
scrollPane.getVerticalScrollBar().getValue() == bottomPosition) &&
viewerContext.getPageIndex() < viewerContext.getPageCount() - 1)
{
viewerContext.setPageIndex(viewerContext.getPageIndex() + 1);
if(scrollPane.isEnabled())
{
scrollPane.getVerticalScrollBar().setValue(0);
}
}
}
protected void upNavigate(KeyEvent evt)
{
if((scrollPane.getViewport().getHeight() > pnlPage.getHeight() ||
scrollPane.getVerticalScrollBar().getValue() == 0) &&
viewerContext.getPageIndex() > 0)
{
viewerContext.setPageIndex(viewerContext.getPageIndex() - 1);
if(scrollPane.isEnabled())
{
scrollPane.getVerticalScrollBar().setValue(scrollPane.getVerticalScrollBar().getMaximum());
}
}
else
{
scrollPane.dispatchEvent(evt);
}
}
protected void homeEndNavigate(int pageNumber)
{
viewerContext.setPageIndex(pageNumber);
if(scrollPane.isEnabled())
{
scrollPane.getVerticalScrollBar().setValue(0);
}
}
@Override
public void viewerEvent(JRViewerEvent event)
{
switch (event.getCode())
{
case JRViewerEvent.EVENT_FIT_PAGE:
fitPage();
break;
case JRViewerEvent.EVENT_FIT_WIDTH:
fitWidth();
break;
case JRViewerEvent.EVENT_PAGE_CHANGED:
pageChanged();
break;
case JRViewerEvent.EVENT_REFRESH_PAGE:
refreshPage();
break;
case JRViewerEvent.EVENT_ZOOM_CHANGED:
zoomChanged();
break;
case JRViewerEvent.EVENT_REPORT_LOADED:
case JRViewerEvent.EVENT_REPORT_LOAD_FAILED:
refreshTabs();
break;
}
}
}
