Example usage for javax.swing JOptionPane QUESTION

Introduction

In this page you can find the example usage for javax.swing JOptionPane QUESTION_MESSAGE.

Prototype

int QUESTION_MESSAGE

To view the source code for javax.swing JOptionPane QUESTION_MESSAGE.

Click Source Link

Document

Used for questions.

Usage

From source file:edu.clemson.cs.nestbed.client.gui.TestbedManagerFrame.java

private boolean confirmDelete(String text) {
    int choice;/*from  ww w  .  j a v  a 2  s  . c  o  m*/

    choice = JOptionPane.showConfirmDialog(this, "Do you wisth to delete '" + text + "'?",
            "Delete Confirmation", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
    return (choice == JOptionPane.YES_OPTION);
}

From source file:AltiConsole.AltiConsoleMainScreen.java

/**
 * Handles all the actions./*from w  w w.  j av a  2  s  . c o  m*/
 * 
 * @param e
 *            the action event.
 */
public void actionPerformed(final ActionEvent e) {
    final Translator trans = Application.getTranslator();

    if (e.getActionCommand().equals("EXIT")) {
        System.out.println("exit and disconnecting\n");
        if (JOptionPane.showConfirmDialog(this, trans.get("AltiConsoleMainScreen.ClosingWindow"),
                trans.get("AltiConsoleMainScreen.ReallyClosing"), JOptionPane.YES_NO_OPTION,
                JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION) {
            DisconnectFromAlti();
            System.exit(0);
        }
    } else if (e.getActionCommand().equals("ABOUT")) {
        AboutDialog.showPreferences(AltiConsoleMainScreen.this);
    }
    // ERASE_FLIGHT
    else if (e.getActionCommand().equals("ERASE_FLIGHT")) {

        if (JOptionPane.showConfirmDialog(this, trans.get("AltiConsoleMainScreen.eraseAllflightData"),
                trans.get("AltiConsoleMainScreen.eraseAllflightDataTitle"), JOptionPane.YES_NO_OPTION,
                JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION) {
            System.out.println("erasing flight\n");
            ErasingFlight();
        }

    } else if (e.getActionCommand().equals("RETRIEVE_FLIGHT")) {

        System.out.println("retrieving flight\n");
        RetrievingFlight();

    } else
    // SAVE_FLIGHT
    if (e.getActionCommand().equals("SAVE_FLIGHT")) {
        System.out.println("Saving current flight\n");
        SavingFlight();
    } else
    // RETRIEVE_ALTI_CFG
    if (e.getActionCommand().equals("RETRIEVE_ALTI_CFG")) {
        System.out.println("retrieving alti config\n");
        AltiConfigData pAlticonfig = retrieveAltiConfig();
        if (pAlticonfig != null)
            AltiConfigDlg.showPreferences(AltiConsoleMainScreen.this, pAlticonfig, Serial);

    }
    // LICENSE
    else if (e.getActionCommand().equals("LICENSE")) {

        LicenseDialog.showPreferences(AltiConsoleMainScreen.this);
    }
    // comPorts
    else if (e.getActionCommand().equals("comPorts")) {
        DisconnectFromAlti();
        String currentPort;
        //e.
        currentPort = (String) comPorts.getSelectedItem();
        if (Serial != null)
            Serial.searchForPorts();

        System.out.println("We have a new selected value for comport\n");
        comPorts.setSelectedItem(currentPort);
    }
    // UPLOAD_FIRMWARE
    else if (e.getActionCommand().equals("UPLOAD_FIRMWARE")) {
        System.out.println("upload firmware\n");
        //make sure to disconnect first
        DisconnectFromAlti();
        JFileChooser fc = new JFileChooser();
        String hexfile = null;
        File startFile = new File(System.getProperty("user.dir"));
        //FileNameExtensionFilter filter;

        fc.setDialogTitle("Select firmware");
        //fc.set
        fc.setCurrentDirectory(startFile);
        //fc.addChoosableFileFilter(new FileNameExtensionFilter("*.HEX", "hex"));
        fc.setFileFilter(new FileNameExtensionFilter("*.hex", "hex"));
        //fc.fil
        int action = fc.showOpenDialog(SwingUtilities.windowForComponent(this));
        if (action == JFileChooser.APPROVE_OPTION) {
            hexfile = fc.getSelectedFile().getAbsolutePath();
        }
        if (hexfile != null) {

            String exefile = UserPref.getAvrdudePath();

            String conffile = UserPref.getAvrdudeConfigPath();

            String opts = " -v -v -v -v -patmega328p -carduino -P\\\\.\\"
                    + (String) this.comPorts.getSelectedItem() + " -b115200 -D -V ";

            String cmd = exefile + " -C" + conffile + opts + " -Uflash:w:" + hexfile + ":i";
            System.out.println(cmd);

            try {
                Process p = Runtime.getRuntime().exec(cmd);
                AfficheurFlux fluxSortie = new AfficheurFlux(p.getInputStream(), this);
                AfficheurFlux fluxErreur = new AfficheurFlux(p.getErrorStream(), this);

                new Thread(fluxSortie).start();
                new Thread(fluxErreur).start();

                p.waitFor();
            } catch (IOException e1) {
                e1.printStackTrace();
            } catch (InterruptedException e2) {
                e2.printStackTrace();
            }
        }
    }
    // ON_LINE_HELP
    else if (e.getActionCommand().equals("ON_LINE_HELP")) {
        Desktop d = Desktop.getDesktop();
        System.out.println("Online help \n");
        try {
            d.browse(new URI(trans.get("help.url")));
        } catch (URISyntaxException e1) {

            System.out.println("Illegal URL:  " + trans.get("help.url") + " " + e1.getMessage());
        } catch (IOException e1) {
            System.out.println("Unable to launch browser: " + e1.getMessage());
        }

    }
}

From source file:edu.ku.brc.af.ui.forms.formatters.UIFormatterEditorDlg.java

@Override
protected void okButtonPressed() {
    if (fieldsPanel.getEditBtn().isEnabled()) {
        int userChoice = JOptionPane.NO_OPTION;
        Object[] options = { getResourceString("Continue"), //$NON-NLS-1$
                getResourceString("CANCEL") //$NON-NLS-1$
        };// www .  j a va 2  s . c  om
        loadAndPushResourceBundle("masterusrpwd");

        userChoice = JOptionPane.showOptionDialog(this, getResourceString("UIFEDlg.ITEM_CHG"), //$NON-NLS-1$
                getResourceString("UIFEDlg.CHG_TITLE"), //$NON-NLS-1$
                JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, options, options[0]);
        if (userChoice == JOptionPane.NO_OPTION) {
            return;
        }
    }
    super.okButtonPressed();
    getDataFromUI();
}

From source file:gdt.jgui.entity.folder.JFolderPanel.java

/**
 * Get the context menu./*  w w w  .  j av a2s.co  m*/
 * @return the context menu.
 */
@Override
public JMenu getContextMenu() {
    menu = super.getContextMenu();
    mia = null;
    int cnt = menu.getItemCount();
    if (cnt > 0) {
        mia = new JMenuItem[cnt];
        for (int i = 0; i < cnt; i++)
            mia[i] = menu.getItem(i);
    }
    menu.addMenuListener(new MenuListener() {
        @Override
        public void menuSelected(MenuEvent e) {
            //System.out.println("EntitiesPanel:getConextMenu:menu selected");
            menu.removeAll();
            if (mia != null) {
                for (JMenuItem mi : mia)
                    menu.add(mi);
                menu.addSeparator();
            }
            JMenuItem refreshItem = new JMenuItem("Refresh");
            refreshItem.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    JConsoleHandler.execute(console, locator$);
                }
            });
            menu.add(refreshItem);
            JMenuItem openItem = new JMenuItem("Open folder");
            openItem.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    try {
                        File folder = new File(entihome$ + "/" + entityKey$);
                        if (!folder.exists())
                            folder.mkdir();
                        Desktop.getDesktop().open(folder);
                    } catch (Exception ee) {
                        LOGGER.severe(ee.toString());
                    }
                }
            });
            menu.add(openItem);
            JMenuItem importItem = new JMenuItem("Import");
            importItem.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    try {
                        File home = new File(System.getProperty("user.home"));
                        Desktop.getDesktop().open(home);
                    } catch (Exception ee) {
                        LOGGER.severe(ee.toString());
                    }
                }
            });

            menu.add(importItem);
            JMenuItem newItem = new JMenuItem("New text");
            newItem.addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    try {
                        JTextEditor textEditor = new JTextEditor();
                        String teLocator$ = textEditor.getLocator();
                        teLocator$ = Locator.append(teLocator$, Entigrator.ENTIHOME, entihome$);
                        String text$ = "New" + Identity.key().substring(0, 4) + ".txt";
                        teLocator$ = Locator.append(teLocator$, JTextEditor.TEXT, text$);
                        JFolderPanel fp = new JFolderPanel();
                        String fpLocator$ = fp.getLocator();
                        fpLocator$ = Locator.append(fpLocator$, Entigrator.ENTIHOME, entihome$);
                        fpLocator$ = Locator.append(fpLocator$, EntityHandler.ENTITY_KEY, entityKey$);
                        fpLocator$ = Locator.append(fpLocator$, BaseHandler.HANDLER_METHOD, "response");
                        fpLocator$ = Locator.append(fpLocator$, JRequester.REQUESTER_ACTION,
                                ACTION_CREATE_FILE);
                        String requesterResponseLocator$ = Locator.compressText(fpLocator$);
                        teLocator$ = Locator.append(teLocator$, JRequester.REQUESTER_RESPONSE_LOCATOR,
                                requesterResponseLocator$);
                        JConsoleHandler.execute(console, teLocator$);
                    } catch (Exception ee) {
                        LOGGER.severe(ee.toString());
                    }
                }
            });

            menu.add(newItem);
            //menu.addSeparator();
            if (hasToInsert()) {
                menu.addSeparator();
                JMenuItem insertItem = new JMenuItem("Insert");
                insertItem.addActionListener(new ActionListener() {
                    @Override
                    public void actionPerformed(ActionEvent e) {
                        try {
                            Clipboard systemClipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
                            Transferable clipboardContents = systemClipboard.getContents(null);
                            if (clipboardContents == null)
                                return;
                            Object transferData = clipboardContents
                                    .getTransferData(DataFlavor.javaFileListFlavor);
                            List<File> files = (List<File>) transferData;
                            for (int i = 0; i < files.size(); i++) {
                                File file = (File) files.get(i);
                                if (file.exists() && file.isFile()) {
                                    System.out.println("FolderPanel:insert:in=" + file.getPath());
                                    File dir = new File(entihome$ + "/" + entityKey$);
                                    if (!dir.exists())
                                        dir.mkdir();
                                    File out = new File(entihome$ + "/" + entityKey$ + "/" + file.getName());
                                    if (!out.exists())
                                        out.createNewFile();
                                    System.out.println("FolderPanel:insert:out=" + out.getPath());
                                    FileExpert.copyFile(file, out);
                                    JConsoleHandler.execute(console, getLocator());
                                }

                                //      System.out.println("FolderPanel:import:file="+file.getPath());
                            }
                        } catch (Exception ee) {
                            LOGGER.severe(ee.toString());

                        }

                    }
                });
                menu.add(insertItem);
            }
            if (hasToPaste()) {
                menu.addSeparator();
                JMenuItem pasteItem = new JMenuItem("Paste");
                pasteItem.addActionListener(new ActionListener() {
                    @Override
                    public void actionPerformed(ActionEvent e) {
                        String[] sa = console.clipboard.getContent();
                        Properties locator;
                        String file$;
                        File file;
                        File target;
                        String dir$ = entihome$ + "/" + entityKey$;
                        File dir = new File(dir$);
                        if (!dir.exists())
                            dir.mkdir();
                        for (String aSa : sa) {
                            try {
                                locator = Locator.toProperties(aSa);
                                if (LOCATOR_TYPE_FILE.equals(locator.getProperty(Locator.LOCATOR_TYPE))) {
                                    file$ = locator.getProperty(FILE_PATH);
                                    file = new File(file$);
                                    target = new File(dir$ + "/" + file.getName());
                                    if (!target.exists())
                                        target.createNewFile();
                                    FileExpert.copyFile(file, target);
                                }
                            } catch (Exception ee) {
                                LOGGER.info(ee.toString());
                            }
                        }
                        JConsoleHandler.execute(console, locator$);
                    }
                });
                menu.add(pasteItem);
            }
            if (hasSelectedItems()) {
                menu.addSeparator();
                JMenuItem deleteItem = new JMenuItem("Delete");
                deleteItem.addActionListener(new ActionListener() {
                    @Override
                    public void actionPerformed(ActionEvent e) {
                        int response = JOptionPane.showConfirmDialog(console.getContentPanel(), "Delete ?",
                                "Confirm", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
                        if (response == JOptionPane.YES_OPTION) {
                            String[] sa = JFolderPanel.this.listSelectedItems();
                            if (sa == null)
                                return;
                            Properties locator;
                            String file$;
                            File file;
                            for (String aSa : sa) {
                                locator = Locator.toProperties(aSa);
                                file$ = locator.getProperty(FILE_PATH);
                                file = new File(file$);
                                try {
                                    if (file.isDirectory())
                                        FileExpert.clear(file$);
                                    file.delete();
                                } catch (Exception ee) {
                                    LOGGER.info(ee.toString());
                                }
                            }
                        }
                        JConsoleHandler.execute(console, locator$);
                    }
                });
                menu.add(deleteItem);
                JMenuItem copyItem = new JMenuItem("Copy");
                copyItem.addActionListener(new ActionListener() {
                    @Override
                    public void actionPerformed(ActionEvent e) {
                        String[] sa = JFolderPanel.this.listSelectedItems();
                        console.clipboard.clear();
                        if (sa != null)
                            for (String aSa : sa)
                                console.clipboard.putString(aSa);
                    }
                });
                menu.add(copyItem);
                JMenuItem exportItem = new JMenuItem("Export");
                exportItem.addActionListener(new ActionListener() {
                    @Override
                    public void actionPerformed(ActionEvent e) {
                        try {
                            String[] sa = JFolderPanel.this.listSelectedItems();
                            Properties locator;
                            String file$;
                            File file;
                            ArrayList<File> fileList = new ArrayList<File>();
                            for (String aSa : sa) {
                                try {
                                    locator = Locator.toProperties(aSa);
                                    file$ = locator.getProperty(FILE_PATH);
                                    file = new File(file$);
                                    fileList.add(file);
                                } catch (Exception ee) {
                                    LOGGER.severe(ee.toString());
                                }
                            }
                            File[] fa = fileList.toArray(new File[0]);
                            if (fa.length < 1)
                                return;
                            //                             System.out.println("Folderpanel:finish:list="+fa.length);
                            JFileChooser chooser = new JFileChooser();
                            chooser.setCurrentDirectory(new java.io.File(System.getProperty("user.home")));
                            chooser.setDialogTitle("Export files");
                            chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
                            chooser.setAcceptAllFileFilterUsed(false);
                            if (chooser.showSaveDialog(JFolderPanel.this) == JFileChooser.APPROVE_OPTION) {
                                String dir$ = chooser.getSelectedFile().getPath();
                                File target;
                                for (File f : fa) {
                                    target = new File(dir$ + "/" + f.getName());
                                    if (!target.exists())
                                        target.createNewFile();
                                    FileExpert.copyFile(f, target);
                                }
                            } else {
                                Logger.getLogger(JMainConsole.class.getName()).info(" no selection");
                            }
                            //                            System.out.println("Folderpanel:finish:list="+fileList.size());  
                        } catch (Exception eee) {
                            LOGGER.severe(eee.toString());
                        }
                    }
                });
                menu.add(exportItem);
            }
        }

        @Override
        public void menuDeselected(MenuEvent e) {
        }

        @Override
        public void menuCanceled(MenuEvent e) {
        }
    });
    return menu;
}

From source file:org.ash.gui.MainFrame.java

/**
 * Menu file exit_action performed.//from   w w  w  .ja v  a2  s.com
 * 
 * @param e the e
 */
public void menuFileExit_actionPerformed(ActionEvent e) {
    if (JOptionPane.showConfirmDialog(this, Options.getInstance().getResource("quit application?"),
            Options.getInstance().getResource("attention"), JOptionPane.YES_NO_OPTION,
            JOptionPane.QUESTION_MESSAGE) == 0) {
        if (this.collectorUI != null)
            this.collectorUI.stop();
        if (this.database != null)
            this.database.close();
        System.exit(0);
    }
}

From source file:jboost.visualization.HistogramFrame.java

private File selectPDFFile() {

    File fFile = new File("default.pdf");
    JFileChooser fc = new JFileChooser();

    // Start in current directory
    fc.setCurrentDirectory(new File("."));

    // Set filter for Java source files.
    fc.setFileFilter(new FileFilter() {

        public boolean accept(File f) {
            String path = f.getAbsolutePath();
            if (f.isDirectory() || path.endsWith(".pdf"))
                return true;
            else/* w w w.j a  v a 2  s  .  c om*/
                return false;
        }

        public String getDescription() {
            return "PDF Files";
        }
    });

    // Set to a default name for save.
    fc.setSelectedFile(fFile);

    // Open chooser dialog
    int result = fc.showSaveDialog(this);

    if (result == JFileChooser.CANCEL_OPTION) {
        return null;
    } else if (result == JFileChooser.APPROVE_OPTION) {
        fFile = fc.getSelectedFile();
        if (fFile.exists()) {
            int response = JOptionPane.showConfirmDialog(null, "Overwrite existing file?", "Confirm Overwrite",
                    JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE);
            if (response == JOptionPane.CANCEL_OPTION)
                return null;
        }
        return fFile;
    } else {
        return null;
    }
}

From source file:com.sshtools.common.ui.SshToolsApplicationClientPanel.java

/**
 *
 *
 * @param disconnect//  w  w w  .  j  a v a  2  s  .  c  o  m
 */
public void closeConnection(boolean disconnect) {
    //
    if (isNeedSave() && (currentConnectionFile != null)) { // Stop save dialog box when not using a pre-existing profile.
        //  Only allow saving of files if allowed by the security manager
        try {
            if (System.getSecurityManager() != null) {
                AccessController.checkPermission(new FilePermission("<<ALL FILES>>", "write"));

                if (JOptionPane.showConfirmDialog(this, "You have unsaved changes to the connection "
                        + ((currentConnectionFile == null) ? "<Untitled>" : currentConnectionFile.getName())
                        + ".\nDo you want to save the changes now?", "Unsaved changes",
                        JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE) == JOptionPane.YES_OPTION) {
                    saveConnection(false, getCurrentConnectionFile(), getCurrentConnectionProfile());
                    setNeedSave(false);
                }
            }
        } catch (AccessControlException ace) {
            log.warn("Changes made to connection, but security manager won't allow saving of files.");
        }
    }

    //setCurrentConnectionFile(null);
}

From source file:com.net2plan.gui.utils.viewEditTopolTables.specificTables.AdvancedJTable_demand.java

public static void createLinkDemandGUI(final NetworkElementType networkElementType,
        final IVisualizationCallback callback) {
    final NetPlan netPlan = callback.getDesign();
    final JComboBox originNodeSelector = new WiderJComboBox();
    final JComboBox destinationNodeSelector = new WiderJComboBox();

    for (Node node : netPlan.getNodes()) {
        final String nodeName = node.getName();
        String nodeLabel = "Node " + node.getIndex();
        if (!nodeName.isEmpty())
            nodeLabel += " (" + nodeName + ")";

        originNodeSelector.addItem(StringLabeller.of(node.getId(), nodeLabel));
        destinationNodeSelector.addItem(StringLabeller.of(node.getId(), nodeLabel));
    }//from  w  ww . jav  a2 s .  c om

    ItemListener nodeListener = new ItemListener() {
        @Override
        public void itemStateChanged(ItemEvent e) {
            long originNodeId = (long) ((StringLabeller) originNodeSelector.getSelectedItem()).getObject();
            long destinationNodeId = (long) ((StringLabeller) destinationNodeSelector.getSelectedItem())
                    .getObject();
            callback.putTransientColorInElementTopologyCanvas(
                    Arrays.asList(netPlan.getNodeFromId(originNodeId)), Color.GREEN);
            callback.putTransientColorInElementTopologyCanvas(
                    Arrays.asList(netPlan.getNodeFromId(destinationNodeId)), Color.CYAN);
        }
    };

    originNodeSelector.addItemListener(nodeListener);
    destinationNodeSelector.addItemListener(nodeListener);

    originNodeSelector.setSelectedIndex(0);
    destinationNodeSelector.setSelectedIndex(1);

    JPanel pane = new JPanel();
    pane.add(networkElementType == NetworkElementType.LINK ? new JLabel("Origin node: ")
            : new JLabel("Ingress node: "));
    pane.add(originNodeSelector);
    pane.add(Box.createHorizontalStrut(15));
    pane.add(networkElementType == NetworkElementType.LINK ? new JLabel("Destination node: ")
            : new JLabel("Egress node: "));
    pane.add(destinationNodeSelector);

    while (true) {
        int result = JOptionPane.showConfirmDialog(null, pane,
                "Please enter end nodes for the new " + networkElementType, JOptionPane.OK_CANCEL_OPTION,
                JOptionPane.QUESTION_MESSAGE);
        if (result != JOptionPane.OK_OPTION)
            return;

        try {
            long originNodeId = (long) ((StringLabeller) originNodeSelector.getSelectedItem()).getObject();
            long destinationNodeId = (long) ((StringLabeller) destinationNodeSelector.getSelectedItem())
                    .getObject();
            Node originNode = netPlan.getNodeFromId(originNodeId);
            Node destinationNode = netPlan.getNodeFromId(destinationNodeId);

            if (netPlan.getNodeFromId(originNodeId) == null)
                throw new Net2PlanException("Node of id: " + originNodeId + " does not exist");
            if (netPlan.getNodeFromId(destinationNodeId) == null)
                throw new Net2PlanException("Node of id: " + destinationNodeId + " does not exist");

            if (networkElementType == NetworkElementType.LINK) {
                final Link e = netPlan.addLink(originNode, destinationNode, 0, 0, 200000, null);
                callback.getVisualizationState()
                        .recomputeCanvasTopologyBecauseOfLinkOrNodeAdditionsOrRemovals();
                callback.updateVisualizationAfterChanges(Collections.singleton(NetworkElementType.LINK));
                callback.getVisualizationState().pickLink(e);
                callback.updateVisualizationAfterPick();
                callback.getUndoRedoNavigationManager().addNetPlanChange();

            } else {
                final Demand d = netPlan.addDemand(originNode, destinationNode, 0, null);
                callback.updateVisualizationAfterChanges(Collections.singleton(NetworkElementType.DEMAND));
                callback.getVisualizationState().pickDemand(d);
                callback.updateVisualizationAfterPick();
                callback.getUndoRedoNavigationManager().addNetPlanChange();
            }

            break;
        } catch (Throwable ex) {
            ErrorHandling.showErrorDialog(ex.getMessage(), "Error adding " + networkElementType);
        }
    }
}

From source file:jboost.visualization.HistogramFrame.java

private File selectDumpFile() {

    File fFile = new File("ExamplesDumpFile.txt");
    JFileChooser fc = new JFileChooser();

    // Start in current directory
    fc.setCurrentDirectory(new File("."));

    // Set filter for Java source files.
    fc.setFileFilter(new FileFilter() {

        public boolean accept(File f) {
            String path = f.getAbsolutePath();
            if (f.isDirectory() || path.endsWith(".txt"))
                return true;
            else//from  w  w w.  ja  v a2s  .  c  om
                return false;
        }

        public String getDescription() {
            return "Text Files";
        }
    });

    // Set to a default name for save.
    fc.setSelectedFile(fFile);

    // Open chooser dialog
    int result = fc.showSaveDialog(this);

    if (result == JFileChooser.CANCEL_OPTION) {
        return null;
    } else if (result == JFileChooser.APPROVE_OPTION) {
        fFile = fc.getSelectedFile();
        if (fFile.exists()) {
            int response = JOptionPane.showConfirmDialog(null, "Overwrite existing file?", "Confirm Overwrite",
                    JOptionPane.OK_CANCEL_OPTION, JOptionPane.QUESTION_MESSAGE);
            if (response == JOptionPane.CANCEL_OPTION)
                return null;
        }
        return fFile;
    } else {
        return null;
    }
}

From source file:UserInterface.FinanceRole.TransferToRegSiteJPanel.java

private void autoTransferJButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_autoTransferJButtonActionPerformed

    //Validation/* w  w  w .  ja  va 2 s  .com*/
    boolean validationSuccess;
    validationSuccess = validationAutoTansfer();

    if (validationSuccess) {

        objWorldEnterprise.getObjTransactionDirectory().updateTransactionAccount();

        BigDecimal worldDonation = AutoTransfer.transferCheck(objWorldEnterprise, objUserAccount,
                autoDonationAmount);
        BigDecimal worldBalance = objWorldEnterprise.getObjTransactionDirectory().getAvailableRealBalance();
        System.out.println(worldDonation);

        System.out.println(objWorldEnterprise.getObjTransactionDirectory().getAvailableRealBalance());
        System.out.println(objWorldEnterprise.getObjTransactionDirectory().getAvailableVirtualBalance());

        int positiveWorldBalance = worldBalance.compareTo(worldDonation);

        if (positiveWorldBalance >= 1) {
            JDialog.setDefaultLookAndFeelDecorated(true);

            int response = JOptionPane.showConfirmDialog(null,
                    "Total transfer of $ " + worldDonation + "/- Do you want to transfer?", "Confirm",
                    JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
            if (response == JOptionPane.YES_OPTION) {
                System.out.println("Yes button clicked");
                worldDonation = AutoTransfer.transferConfirm(objWorldEnterprise, objUserAccount,
                        autoDonationAmount);

                JOptionPane.showMessageDialog(null, "$ " + worldDonation + "/- transferred successfully");

                autoTransferJTextField.setText(null);

                populateLowRegSiteTable();
            }
        } else {
            JOptionPane.showMessageDialog(null, "World Balance is low");
        }
    }
}

Example usage for javax.swing JOptionPane QUESTION_MESSAGE

Introduction

Prototype

Document

Usage