Example usage for javax.swing SwingWorker SwingWorker

List of usage examples for javax.swing SwingWorker SwingWorker

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  4. javax.swing.*
  5. SwingWorker
  6. SwingWorker

Introduction

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

Prototype

public SwingWorker()

Source Link

Document

Constructs this SwingWorker .

Usage

From source file:sk.uniza.fri.pds.spotreba.energie.gui.DbTab.java

private void update() {
    new SwingWorker<Boolean, RuntimeException>() {
        @Override//from  www .  j ava  2s .  c  o  m
        protected Boolean doInBackground() throws Exception {
            try {
                service.update(oldObj, metawidget.getToInspect());
                return true;
            } catch (RuntimeException e) {
                publish(e);
            }
            return false;
        }

        @Override
        protected void done() {
            try {
                if (get()) {
                    tableModel.fireTableRowsUpdated(jTable.getSelectedRow(), jTable.getSelectedRow());
                }
            } catch (InterruptedException | ExecutionException ex) {
                Logger.getLogger(DbTab.class.getName()).log(Level.SEVERE, null, ex);
            }

        }

        @Override
        protected void process(List<RuntimeException> chunks) {
            showException("Chyba", chunks.get(0));
        }
    }.execute();
}

From source file:sk.uniza.fri.pds.spotreba.energie.gui.DbTab.java

private void delete() {
    new SwingWorker<Boolean, RuntimeException>() {
        @Override/*from   w w w.  j av a  2 s  .  c  om*/
        protected Boolean doInBackground() throws Exception {
            try {
                service.delete(metawidget.getToInspect());
                return true;
            } catch (RuntimeException e) {
                publish(e);
            }
            return false;
        }

        @Override
        protected void done() {
            try {
                if (get()) {
                    load();
                    newButtonActionPerformed(null);
                }
            } catch (InterruptedException | ExecutionException ex) {
                Logger.getLogger(DbTab.class.getName()).log(Level.SEVERE, null, ex);
            }

        }

        @Override
        protected void process(List<RuntimeException> chunks) {
            showException("Chyba", chunks.get(0));
        }
    }.execute();
}

From source file:ste.cameracontrol.ui.CameraControlWindow.java

private void shootMenuItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_shootMenuItemActionPerformed
    setStatus("Taking picture");
    new SwingWorker<Void, Object>() {
        @Override/* w  ww  .  j a v  a 2  s  . co m*/
        public Void doInBackground() {
            setStatus("Wait...");
            Photo photos[] = null;
            try {
                photos = CameraController.getInstance().shootAndDownload();
            } catch (Exception e) {
                error(e.getMessage(), e);
                return null;
            }

            for (Photo photo : photos) {
                new ImageFrame(photo).setVisible(true);
            }
            return null;
        }

        @Override
        protected void done() {
            setStatus("");
        }
    }.execute();
}

From source file:tk.tomby.tedit.core.Buffer.java

/**
 * DOCUMENT ME!/*  ww w .j a  v  a2s.  com*/
 *
 * @param file DOCUMENT ME!
 */
public void saveAs(final File file) {
    TaskManager.execute(new SwingWorker() {
        @Override
        protected Object doInBackground() throws Exception {
            try {
                FileWriter out = new FileWriter(file);
                editor.write(out);
            } catch (IOException e) {
                log.error(e.getMessage(), e);
            }
            return null;
        }

        @Override
        protected void done() {
            open(file);
        }
    });
}

From source file:ui.frame.UILogin.java

public UILogin() {
    super("Login");

    Label l = new Label();

    setLayout(new BorderLayout());
    this.setPreferredSize(new Dimension(400, 300));

    Panel p = new Panel();

    loginPanel = p.createPanel(Layouts.grid, 4, 2);
    loginPanel.setBorder(new EmptyBorder(25, 25, 0, 25));
    lblUser = l.createLabel("Username:");
    lblPassword = l.createLabel("Password:");
    lblURL = l.createLabel("Server URL");
    lblBucket = l.createLabel("Bucket");

    tfURL = new JTextField();
    tfURL.setText("kaiup.kaisquare.com");
    tfBucket = new JTextField();
    PromptSupport.setPrompt("BucketName", tfBucket);
    tfUser = new JTextField();
    PromptSupport.setPrompt("Username", tfUser);
    pfPassword = new JPasswordField();
    PromptSupport.setPrompt("Password", pfPassword);

    buttonPanel = p.createPanel(Layouts.flow);
    buttonPanel.setBorder(new EmptyBorder(0, 0, 25, 0));
    Button b = new Button();
    JButton btnLogin = b.createButton("Login");
    JButton btnExit = b.createButton("Exit");
    btnLogin.setPreferredSize(new Dimension(150, 50));
    btnExit.setPreferredSize(new Dimension(150, 50));
    Component[] arrayBtn = { btnExit, btnLogin };
    p.addComponentsToPanel(buttonPanel, arrayBtn);

    Component[] arrayComponents = { lblURL, tfURL, lblBucket, tfBucket, lblUser, tfUser, lblPassword,
            pfPassword };/*from www.j  av a  2s .c o  m*/
    p.addComponentsToPanel(loginPanel, arrayComponents);
    add(loginPanel, BorderLayout.CENTER);
    add(buttonPanel, BorderLayout.SOUTH);
    pack();
    setDefaultCloseOperation(EXIT_ON_CLOSE);
    setLocationRelativeTo(null);

    setVisible(true);
    btnLogin.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {

            SwingWorker<Void, Void> mySwingWorker = new SwingWorker<Void, Void>() {
                @Override
                protected Void doInBackground() throws Exception {
                    if (tfUser.getText().equals("") || String.valueOf(pfPassword.getPassword()).equals("")
                            || tfBucket.getText().equals("")) {
                        JOptionPane.showMessageDialog(Data.mainFrame, "Please fill up all the fields", "Error",
                                JOptionPane.ERROR_MESSAGE);
                    } else {
                        String username = tfUser.getText();
                        String password = String.valueOf(pfPassword.getPassword());
                        Data.URL = Data.protocol + tfURL.getText();
                        Data.targetURL = Data.protocol + tfURL.getText() + "/api/" + tfBucket.getText() + "/";

                        String response = api.loginBucket(Data.targetURL, username, password);

                        try {

                            if (DesktopAppMain.checkResult(response)) {
                                JSONObject responseJSON = new JSONObject(response);
                                Data.sessionKey = responseJSON.get("session-key").toString();
                                response = api.getUserFeatures(Data.targetURL, Data.sessionKey);
                                if (checkFeatures(response)) {
                                    Data.mainFrame = new KAIQRFrame();
                                    Data.mainFrame.uiInventorySelect = new UIInventorySelect();
                                    Data.mainFrame.addPanel(Data.mainFrame.uiInventorySelect, "inventory");
                                    Data.mainFrame.showPanel("inventory");
                                    Data.mainFrame.pack();
                                    setVisible(false);
                                    Data.mainFrame.setVisible(true);

                                } else {
                                    JOptionPane.showMessageDialog(Data.loginFrame,
                                            "User does not have necessary features", "Error",
                                            JOptionPane.ERROR_MESSAGE);
                                }
                            } else {
                                JOptionPane.showMessageDialog(Data.loginFrame, "Wrong username/password",
                                        "Error", JOptionPane.ERROR_MESSAGE);
                            }

                        } catch (JSONException e1) {
                            e1.printStackTrace();
                        }
                    }

                    return null;
                }
            };

            Window win = SwingUtilities.getWindowAncestor((AbstractButton) e.getSource());
            final JDialog dialog = new JDialog(win, "Login", ModalityType.APPLICATION_MODAL);

            mySwingWorker.addPropertyChangeListener(new PropertyChangeListener() {

                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    if (evt.getPropertyName().equals("state")) {
                        if (evt.getNewValue() == SwingWorker.StateValue.DONE) {
                            dialog.dispose();
                        }
                    }
                }
            });

            mySwingWorker.execute();

            JProgressBar progressBar = new JProgressBar();
            progressBar.setIndeterminate(true);
            JPanel panel = new JPanel(new BorderLayout());
            panel.add(progressBar, BorderLayout.CENTER);
            panel.add(new JLabel("Logging in .........."), BorderLayout.PAGE_START);
            dialog.add(panel);
            dialog.pack();
            dialog.setBounds(50, 50, 300, 100);
            dialog.setLocationRelativeTo(Data.mainFrame);
            dialog.setVisible(true);
        }
    });

    btnExit.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            System.exit(0);
        }

    });

}

From source file:ui.panel.UIAccessKeySelect.java

public void runaccessKeySelect() {
    getAccessKeyData();/*from w ww .j  a  va2 s. c  o  m*/
    Panel p = new Panel();
    Button b = new Button();
    Label l = new Label();

    setLayout(new BorderLayout());

    JPanel pnlInstruction = p.createPanel(Layouts.flow);
    JLabel lblInstruction = l.createLabel("Access Keys");
    pnlInstruction.setBackground(CustomColor.LightBlue.returnColor());
    lblInstruction.setForeground(Color.white);
    lblInstruction.setFont(new Font("San Serif", Font.PLAIN, 18));
    pnlInstruction.add(lblInstruction);

    JPanel pnlBucketList = p.createPanel(Layouts.border);

    listBucket.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JScrollPane scrollBucket = new JScrollPane(listBucket);
    Component[] BucketListComponents = { scrollBucket };
    pnlBucketList.add(scrollBucket, BorderLayout.CENTER);

    JPanel pnlButtons = p.createPanel(Layouts.flow);

    JButton btnBack = b.createButton("Back");
    JButton btnSelectElements = b.createButton("Next");
    JButton btnAdd = b.createButton("Generate Access Key");
    JButton btnRefresh = b.createButton("Refresh");

    pnlButtons.add(btnBack);
    pnlButtons.add(btnAdd);
    pnlButtons.add(btnRefresh);
    pnlButtons.add(btnSelectElements);

    add(pnlInstruction, BorderLayout.NORTH);
    add(pnlBucketList, BorderLayout.CENTER);
    add(pnlButtons, BorderLayout.SOUTH);

    btnBack.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            Data.mainFrame.showPanel("license");
        }
    });

    btnRefresh.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            getAccessKeyData();
        }
    });
    btnAdd.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            Data.mainFrame.uiGenerateKey = new UIGenerateKey();
            Data.mainFrame.addPanel(Data.mainFrame.uiGenerateKey, "generateKey");
            Data.mainFrame.pack();
            Data.mainFrame.showPanel("generateKey");
        }
    });

    btnSelectElements.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {

            SwingWorker<Void, Void> mySwingWorker = new SwingWorker<Void, Void>() {
                @Override
                protected Void doInBackground() throws Exception {
                    int selected = listBucket.getSelectedRow();

                    if (selected != -1) {
                        Data.accessKey = (String) listBucket.getModel().getValueAt(selected, 0);
                        Data.mainFrame.qrGenerator = new JavaQR();
                        Data.mainFrame.pack();
                        Data.mainFrame.addPanel(Data.mainFrame.qrGenerator, "generateQR");
                        Data.mainFrame.showPanel("generateQR");
                    } else {
                        JOptionPane.showMessageDialog(Data.mainFrame, "Please Select Access Key", "Error",
                                JOptionPane.ERROR_MESSAGE);
                    }

                    return null;
                }
            };

            Window win = SwingUtilities.getWindowAncestor((AbstractButton) e.getSource());
            final JDialog dialog = new JDialog(win, "Loading", ModalityType.APPLICATION_MODAL);

            mySwingWorker.addPropertyChangeListener(new PropertyChangeListener() {

                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    if (evt.getPropertyName().equals("state")) {
                        if (evt.getNewValue() == SwingWorker.StateValue.DONE) {
                            dialog.dispose();
                        }
                    }
                }
            });
            mySwingWorker.execute();

            JProgressBar progressBar = new JProgressBar();
            progressBar.setIndeterminate(true);
            JPanel panel = new JPanel(new BorderLayout());
            panel.add(progressBar, BorderLayout.CENTER);
            panel.add(new JLabel("Generating QR Code......."), BorderLayout.PAGE_START);
            dialog.add(panel);
            dialog.pack();
            dialog.setBounds(50, 50, 300, 100);
            dialog.setLocationRelativeTo(Data.mainFrame);
            dialog.setVisible(true);
        }
    });
}

From source file:ui.panel.UIBucketSelect.java

public void runBucketSelect() {
    Panel p = new Panel();
    Button b = new Button();
    Label l = new Label();

    setLayout(new BorderLayout());

    JPanel pnlInstruction = p.createPanel(Layouts.flow);
    JLabel lblInstruction = l.createLabel("Bucket List");
    pnlInstruction.setBackground(CustomColor.LightBlue.returnColor());
    lblInstruction.setForeground(Color.white);
    lblInstruction.setFont(new Font("San Serif", Font.PLAIN, 18));
    pnlInstruction.add(lblInstruction);//  w w  w.j  ava2  s . c o m

    JPanel pnlBucketList = p.createPanel(Layouts.border);

    listBucket.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
    JScrollPane scrollBucket = new JScrollPane(listBucket);
    scrollBucket.setPreferredSize(new Dimension(300, 150));
    pnlBucketList.add(scrollBucket, BorderLayout.CENTER);

    JPanel pnlButtons = p.createPanel(Layouts.flow);
    JButton btnBack = b.createButton("Back");
    JButton btnSelectElements = b.createButton("Next");
    JButton btnRefresh = b.createButton("Refresh Bucket List");

    pnlButtons.add(btnBack);
    pnlButtons.add(btnRefresh);
    pnlButtons.add(btnSelectElements);

    add(pnlInstruction, BorderLayout.NORTH);
    add(pnlBucketList, BorderLayout.CENTER);
    add(pnlButtons, BorderLayout.SOUTH);
    setVisible(true);

    btnRefresh.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            getBucketData();
        }
    });
    btnSelectElements.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            SwingWorker<Void, Void> mySwingWorker = new SwingWorker<Void, Void>() {
                @Override
                protected Void doInBackground() throws Exception {

                    int selected = listBucket.getSelectedRow();
                    if (selected == -1) {
                        JOptionPane.showMessageDialog(Data.mainFrame, "Please Select a Bucket", "Error",
                                JOptionPane.ERROR_MESSAGE);
                    } else {
                        Data.bucketID = (int) listBucket.getModel().getValueAt(selected, 0);
                        Data.mainFrame.addPanel(Data.mainFrame.uiLicenseDetail = new UILicenseDetail(),
                                "license");
                        Data.mainFrame.pack();
                        Data.mainFrame.showPanel("license");
                    }
                    return null;
                }
            };

            Window win = SwingUtilities.getWindowAncestor((AbstractButton) e.getSource());
            final JDialog dialog = new JDialog(win, "Loading", ModalityType.APPLICATION_MODAL);

            mySwingWorker.addPropertyChangeListener(new PropertyChangeListener() {

                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    if (evt.getPropertyName().equals("state")) {
                        if (evt.getNewValue() == SwingWorker.StateValue.DONE) {
                            dialog.dispose();
                        }
                    }
                }
            });
            mySwingWorker.execute();

            JProgressBar progressBar = new JProgressBar();
            progressBar.setIndeterminate(true);
            JPanel panel = new JPanel(new BorderLayout());
            panel.add(progressBar, BorderLayout.CENTER);
            panel.add(new JLabel("Retrieving Licenses......."), BorderLayout.PAGE_START);
            dialog.add(panel);
            dialog.pack();
            dialog.setBounds(50, 50, 300, 100);
            dialog.setLocationRelativeTo(Data.mainFrame);
            dialog.setVisible(true);
        }
    });
    btnBack.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            setVisible(false);
            Data.mainFrame.showPanel("inventory");
        }
    });
}

From source file:ui.panel.UILicenseAdd.java

public JPanel createButtonPanel() {
    JPanel panel = p.createPanel(Layouts.flow);
    panel.setLayout(new FlowLayout(FlowLayout.CENTER));

    btnSubmit = b.createButton("Submit");
    btnCancel = b.createButton("Cancel");

    btnSubmit.addActionListener(new ActionListener() {

        @Override//w  ww .  j a v  a  2s.co m
        public void actionPerformed(ActionEvent e) {

            SwingWorker<Void, Void> mySwingWorker = new SwingWorker<Void, Void>() {
                @Override
                protected Void doInBackground() throws Exception {
                    TreePath[] path = checkTreeManager.getSelectionModel().getSelectionPaths();
                    ArrayList<String> featureL = new ArrayList<String>();
                    String[] features = new String[] {};
                    for (TreePath tp : path) {

                        if (tp.getLastPathComponent().toString().equals("Features")) {
                            Object rootNode = tree.getModel().getRoot();
                            int parentCount = tree.getModel().getChildCount(rootNode);
                            for (int i = 0; i < parentCount; i++) {
                                Object parentNode = tree.getModel().getChild(rootNode, i);
                                int childrenCount = tree.getModel().getChildCount(parentNode);

                                for (int x = 0; x < childrenCount; x++) {
                                    MyDataNode node = (MyDataNode) tree.getModel().getChild(parentNode, x);
                                    featureL.add(node.getValue());
                                }
                            }
                        } else if (tp.getPathCount() == 2) {
                            Object rootNode = tree.getModel().getRoot();
                            int parentCount = tree.getModel().getChildCount(rootNode);
                            for (int i = 0; i < parentCount; i++) {
                                Object parentNode = tree.getModel().getChild(rootNode, i);
                                if (parentNode.toString().equals(tp.getLastPathComponent().toString())) {

                                    int childrenCount = tree.getModel().getChildCount(parentNode);

                                    for (int x = 0; x < childrenCount; x++) {
                                        MyDataNode node = (MyDataNode) tree.getModel().getChild(parentNode, x);
                                        featureL.add(node.getValue());
                                    }
                                }
                            }
                        } else if (tp.getPathCount() == 3) {
                            MyDataNode node = (MyDataNode) tp.getLastPathComponent();
                            featureL.add(node.getValue());
                        }

                    }
                    features = featureL.toArray(features);
                    String duration = spnValidity.getValue().toString();
                    if (cbPerpetual.isSelected()) {
                        duration = "-1";
                    }
                    String storage = spnCloud.getValue().toString();
                    String maxVCA = spnConcurrentVCA.getValue().toString();
                    String response = apiCall.addNodeLicense(Data.targetURL, Data.sessionKey, Data.bucketID,
                            features, duration, storage, maxVCA);

                    try {
                        JSONObject responseObject = new JSONObject(response);
                        if (responseObject.get("result").equals("ok")) {
                            Data.mainFrame.uiLicenseDetail.getLicenseData();
                            Data.mainFrame.showPanel("license");
                        }
                    } catch (JSONException e1) {
                        e1.printStackTrace();
                    }
                    return null;
                }
            };
            Window win = SwingUtilities.getWindowAncestor((AbstractButton) e.getSource());
            final JDialog dialog = new JDialog(win, "Loading", ModalityType.APPLICATION_MODAL);

            mySwingWorker.addPropertyChangeListener(new PropertyChangeListener() {

                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    if (evt.getPropertyName().equals("state")) {
                        if (evt.getNewValue() == SwingWorker.StateValue.DONE) {
                            dialog.dispose();
                        }
                    }
                }
            });
            mySwingWorker.execute();

            JProgressBar progressBar = new JProgressBar();
            progressBar.setIndeterminate(true);
            JPanel panel = new JPanel(new BorderLayout());
            panel.add(progressBar, BorderLayout.CENTER);
            panel.add(new JLabel("Retrieving License..."), BorderLayout.PAGE_START);
            dialog.add(panel);
            dialog.pack();
            dialog.setBounds(50, 50, 300, 100);
            dialog.setLocationRelativeTo(Data.mainFrame);
            dialog.setVisible(true);
        }
    });

    btnCancel.addActionListener(new ActionListener() {
        @Override
        public void actionPerformed(ActionEvent e) {
            setVisible(false);
            Data.mainFrame.showPanel("license");
        }
    });

    panel.add(btnSubmit);
    panel.add(btnCancel);

    return panel;
}

From source file:ui.panel.UILicenseDetail.java

public JPanel createButtonPanel() {
    JPanel panel = p.createPanel(Layouts.flow);
    panel.setLayout(new FlowLayout(FlowLayout.CENTER));

    btnSubmit = b.createButton("Next");
    btnBack = b.createButton("Back");
    btnAdd = b.createButton("Add License");

    panel.add(btnBack);//  www. j  a  va  2  s.c  o m
    panel.add(btnAdd);
    panel.add(btnSubmit);
    btnBack.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            Data.mainFrame.showPanel("bucket");
        }
    });

    btnAdd.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            Data.mainFrame.addPanel(Data.mainFrame.uiLicenseAdd = new UILicenseAdd(), "licenseAdd");
            Data.mainFrame.showPanel("licenseAdd");
        }
    });
    btnSubmit.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {

            SwingWorker<Void, Void> mySwingWorker = new SwingWorker<Void, Void>() {
                @Override
                protected Void doInBackground() throws Exception {
                    int row = tblInfo.getSelectedRow();
                    if (row == -1) {
                        JOptionPane.showMessageDialog(Data.mainFrame, "Please Select a License", "Error",
                                JOptionPane.ERROR_MESSAGE);
                    } else {
                        Data.licenseNumber = (String) tblInfo.getModel().getValueAt(row, 0);
                        Data.mainFrame.uiAccessKeySelect = new UIAccessKeySelect();
                        Data.mainFrame.addPanel(Data.mainFrame.uiAccessKeySelect, "access");
                        Data.mainFrame.showPanel("access");
                    }

                    return null;
                }
            };

            Window win = SwingUtilities.getWindowAncestor((AbstractButton) e.getSource());
            final JDialog dialog = new JDialog(win, "Loading", ModalityType.APPLICATION_MODAL);

            mySwingWorker.addPropertyChangeListener(new PropertyChangeListener() {

                @Override
                public void propertyChange(PropertyChangeEvent evt) {
                    if (evt.getPropertyName().equals("state")) {
                        if (evt.getNewValue() == SwingWorker.StateValue.DONE) {
                            dialog.dispose();
                        }
                    }
                }
            });
            mySwingWorker.execute();

            JProgressBar progressBar = new JProgressBar();
            progressBar.setIndeterminate(true);
            JPanel panel = new JPanel(new BorderLayout());
            panel.add(progressBar, BorderLayout.CENTER);
            panel.add(new JLabel("Retrieving Access Keys"), BorderLayout.PAGE_START);
            dialog.add(panel);
            dialog.pack();
            dialog.setBounds(50, 50, 300, 100);
            dialog.setLocationRelativeTo(Data.mainFrame);
            dialog.setVisible(true);

        }

    });

    btnBack.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            setVisible(false);
            Data.mainFrame.showPanel("bucket");
        }
    });

    btnAdd.addActionListener(new ActionListener() {

        @Override
        public void actionPerformed(ActionEvent e) {
            setVisible(false);
            Data.mainFrame.addPanel(Data.mainFrame.uiLicenseAdd = new UILicenseAdd(), "licenseAdd");
            Data.mainFrame.pack();
            Data.mainFrame.showPanel("licenseAdd");
        }
    });

    return panel;
}

From source file:uk.chromis.pos.imports.JPanelCSVImport.java

private void setWorker() {
    progress = 0;/*from ww  w . j ava2 s.c  o m*/
    pb.setStringPainted(true);
    final SwingWorker<Integer, Integer> backgroundWork = new SwingWorker<Integer, Integer>() {
        @Override
        protected final Integer doInBackground() throws Exception {
            while ((progress >= 0) && (progress < 100)) {
                Thread.sleep(50);
                this.publish(progress);
            }
            this.publish(100);
            this.done();
            return 100;
        }

        @Override
        protected final void process(final List<Integer> chunks) {
            pb.setValue(chunks.get(0));
            pb.setString("Processed " + progress + "% of import");
        }
    };
    backgroundWork.execute();
}