import com.jniwrapper.win32.automation.Automation; import com.jniwrapper.win32.automation.OleContainer; import com.jniwrapper.win32.automation.OleMessageLoop; import com.jniwrapper.win32.automation.impl.IDispatchImpl; import com.jniwrapper.win32.ole.OleFunctions; import com.jniwrapper.win32.ole.types.OleVerbs; import com.sun.java.swing.plaf.windows.WindowsLookAndFeel; import javax.swing.*; import javax.swing.filechooser.FileFilter; import java.awt.BorderLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.File; /** * This sample demonstrates the technique of embedding Acrobat Reader application into a java application * using OleContainer and Automation. */ public class AcrobatReader7AutomationSample extends JFrame { private static final String WINDOW_TITLE = "JNIWrapper - Acrobat Reader Automation"; private static final String ACROBAT_READER_PROGID = "AcroPDF.PDF"; private OleContainer _container = new OleContainer(); public AcrobatReader7AutomationSample() { super(WINDOW_TITLE); init(); } private void init() { setWindowsLookFeel(); getContentPane().add(_container, BorderLayout.CENTER); createOleObject(); addWindowListener(new WindowAdapter() { public void windowOpened(WindowEvent e) { showOleObject(); } public void windowClosing(WindowEvent e) { destroyOleObject(); } }); createMenu(); setFrameProperties(); } /** * Creates embedded object. */ private void createOleObject() { _container.createObject(ACROBAT_READER_PROGID); } /** * Activates embedded object. */ private void showOleObject() { _container.doVerb(OleVerbs.SHOW); } /** * Destroys embedded object. */ private void destroyOleObject() { _container.destroyObject(); } private void doOpen(String filename) { try { OleMessageLoop.invokeMethod(this, "openFile", new Object[] { filename }); } catch (Exception e) { e.printStackTrace(); } } /** * Loads file into embedded object. * * @param filePath absolute path of loaded file. */ public void openFile(String filePath) { File file = new File(filePath); if (!file.exists()) { throw new RuntimeException("Couldn't find file: " + filePath); } IDispatchImpl acrobatReader = new IDispatchImpl(_container.getOleObject()); Automation automation = new Automation(acrobatReader); // load document automation.setProperty("src", filePath); automation.invoke("LoadFile", new Object[] { filePath }); } public static void main(String[] args) { // initialize OLE OleFunctions.oleInitialize(); AcrobatReader7AutomationSample sample = new AcrobatReader7AutomationSample(); sample.setVisible(true); } //------------------------------------------------------------------------------------------------- // Creation of Swing GUI //------------------------------------------------------------------------------------------------- private void createMenu() { // prevent hiding of popup menu under OleContaner component JPopupMenu.setDefaultLightWeightPopupEnabled(false); JMenuBar menuBar = new JMenuBar(); JMenu menu = new JMenu("File"); JMenuItem openItem = new JMenuItem("Open..."); JMenuItem exitItem = new JMenuItem("Exit"); menu.add(openItem); menu.addSeparator(); menu.add(exitItem); openItem.addActionListener(new OpenFileActionListener()); exitItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { destroyOleObject(); System.exit(0); } }); menuBar.add(menu); setJMenuBar(menuBar); } private void setWindowsLookFeel() { try { UIManager.setLookAndFeel(WindowsLookAndFeel.class.getName()); } catch (Exception e) { } } private void setFrameProperties() { setSize(640, 480); setLocationRelativeTo(null); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } private class OpenFileActionListener implements ActionListener { public void actionPerformed(ActionEvent e) { JFileChooser chooser = new JFileChooser("."); chooser.setMultiSelectionEnabled(false); chooser.setFileFilter(new AcrobatFileFilter()); if (chooser.showOpenDialog(AcrobatReader7AutomationSample.this) == JFileChooser.APPROVE_OPTION) { File file = chooser.getSelectedFile(); if (file != null) { doOpen(file.getAbsolutePath()); } } } } private static class AcrobatFileFilter extends FileFilter { private static final String FLASH_FILE_EXTENSION = "pdf"; private static final String DESCRIPTION = "PDF files (*.pdf)"; private static final String EXTENSION_SEPARATOR = "."; public boolean accept(File pathname) { if (pathname.isFile()) { String name = pathname.getName(); int pos = name.lastIndexOf(EXTENSION_SEPARATOR); String extension = pos != -1 ? name.substring(pos + 1) : ""; return FLASH_FILE_EXTENSION.equals(extension); } return true; } public String getDescription() { return DESCRIPTION; } } } |
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