Example usage for javax.swing.filechooser FileFilter getDescription

List of usage examples for javax.swing.filechooser FileFilter getDescription

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Introduction

In this page you can find the example usage for javax.swing.filechooser FileFilter getDescription.

Prototype

public abstract String getDescription();

Source Link

Document

The description of this filter.

Usage

From source file:com.googlecode.bpmn_simulator.gui.dialogs.ImageExportChooser.java

public String getSelectedImageFormat() {
    final FileFilter fileFilter = getFileFilter();
    if (fileFilter != null) {
        return fileFilter.getDescription();
    }//from www  . j  a va 2s.  c  o  m
    return null;
}

From source file:de.tor.tribes.ui.windows.DSWorkbenchMainFrame.java

private void fireCreateMapShotEvent(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_fireCreateMapShotEvent
    Component parent = this;
    putOnline = false;/*from w  w w. j  a  v  a2  s  . c  om*/
    String dir = GlobalOptions.getProperty("screen.dir");
    if (dir == null) {
        dir = ".";
    }

    String type = null;
    chooser.setSelectedFile(new File(dir));
    int ret = chooser.showSaveDialog(parent);
    if (ret == JFileChooser.APPROVE_OPTION) {
        try {
            File f = chooser.getSelectedFile();
            javax.swing.filechooser.FileFilter filter = chooser.getFileFilter();
            if (filter.getDescription().indexOf("jpeg") > 0) {
                type = "jpeg";
            } else if (filter.getDescription().indexOf("png") > 0) {
                type = "png";
            } else {
                type = "png";
            }
            String file = f.getCanonicalPath();
            if (!file.endsWith(type)) {
                file += "." + type;
            }
            File target = new File(file);
            if (target.exists()) {
                //ask if overwrite

                if (JOptionPaneHelper.showQuestionConfirmBox(parent, "Existierende Datei berschreiben?",
                        "berschreiben", "Nein", "Ja") != JOptionPane.YES_OPTION) {
                    return;
                }
            }
            MapPanel.getSingleton().planMapShot(type, target, this);

            GlobalOptions.addProperty("screen.dir", target.getPath());
        } catch (Exception e) {
            logger.error("Failed to write map shot", e);
        }
    }

}

From source file:de.tor.tribes.ui.windows.DSWorkbenchMainFrame.java

public void planMapshot() {
    Component parent = this;

    putOnline = false;/*  w  w w  .  ja va  2 s .c  o m*/
    String dir = GlobalOptions.getProperty("screen.dir");
    if (dir == null) {
        dir = ".";
    }

    String type = null;
    chooser.setSelectedFile(new File(dir));
    int ret = chooser.showSaveDialog(parent);
    if (ret == JFileChooser.APPROVE_OPTION) {
        try {
            File f = chooser.getSelectedFile();
            javax.swing.filechooser.FileFilter filter = chooser.getFileFilter();
            if (filter.getDescription().indexOf("jpeg") > 0) {
                type = "jpeg";
            } else if (filter.getDescription().indexOf("png") > 0) {
                type = "png";
            } else {
                type = "png";
            }
            String file = f.getCanonicalPath();
            if (!file.endsWith(type)) {
                file += "." + type;
            }
            File target = new File(file);
            if (target.exists()) {
                //ask if overwrite

                if (JOptionPaneHelper.showQuestionConfirmBox(parent, "Existierende Datei berschreiben?",
                        "berschreiben", "Nein", "Ja") != JOptionPane.YES_OPTION) {
                    return;
                }
            }
            MapPanel.getSingleton().planMapShot(type, target, this);

            GlobalOptions.addProperty("screen.dir", target.getPath());
        } catch (Exception e) {
            logger.error("Failed to write map shot", e);
        }
    }
}

From source file:app.RunApp.java

/**
 * Action of Save table button in MVML tab
 * /*from www  .j a  va2  s.  c o  m*/
 * @param evt Event
 */
private void buttonSaveTableActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_buttonSaveTableActionPerformed
    if (jTable2.getRowCount() == 0 || dataset == null) {
        JOptionPane.showMessageDialog(null, "The table is empty.", "Error", JOptionPane.ERROR_MESSAGE);
        return;
    }

    JFileChooser fc = new JFileChooser();

    //FileNameExtensionFilter fname = new FileNameExtensionFilter(".xls", "xls"); 
    FileNameExtensionFilter fname1 = new FileNameExtensionFilter(".csv", "csv");

    //Remove default
    fc.removeChoosableFileFilter(fc.getChoosableFileFilters()[0]);

    fc.setFileFilter(fname1);

    int returnVal = fc.showSaveDialog(this);

    if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        FileFilter f1 = fc.getFileFilter();

        if (f1.getDescription().equals(".csv")) {
            try {
                String path = file.getAbsolutePath() + ".csv";

                BufferedWriter bw = new BufferedWriter(new FileWriter(path));
                PrintWriter wr = new PrintWriter(bw);

                ResultsIOUtils.saveMVTableCsv(wr, jTable2, views, dataset);

                wr.close();
                bw.close();

                JOptionPane.showMessageDialog(null, "File saved.", "Successful",
                        JOptionPane.INFORMATION_MESSAGE);
            } catch (IOException | HeadlessException e1) {
                JOptionPane.showMessageDialog(null, "File not saved correctly.", "Error",
                        JOptionPane.ERROR_MESSAGE);
            }
        }
    }
}

From source file:app.RunApp.java

/**
 * Action for Export button//  w w  w .  j  av  a2  s . com
 * 
 * @param evt Event
 * @param jtable Table
 */
private void buttonExportActionPerformed(java.awt.event.ActionEvent evt, JTable jtable) {
    if (jtable.getRowCount() == 0 || dataset == null) {
        JOptionPane.showMessageDialog(null, "The table is empty.", "Error", JOptionPane.ERROR_MESSAGE);
        return;
    }

    JFileChooser fc = new JFileChooser();

    //FileNameExtensionFilter fname = new FileNameExtensionFilter(".xls", "xls"); 
    FileNameExtensionFilter fname1 = new FileNameExtensionFilter(".csv", "csv");

    //Remove default
    fc.removeChoosableFileFilter(fc.getChoosableFileFilters()[0]);

    fc.setFileFilter(fname1);

    int returnVal = fc.showSaveDialog(this);

    if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        FileFilter f1 = fc.getFileFilter();

        if (f1.getDescription().equals(".csv")) {
            try {
                String path = file.getAbsolutePath() + ".csv";

                BufferedWriter bw = new BufferedWriter(new FileWriter(path));
                PrintWriter wr = new PrintWriter(bw);

                switch (comboBoxLabelsInformation.getSelectedIndex()) {
                case 1:
                    ResultsIOUtils.saveTableLabelsetsFrequencyCsv(wr, jtable, labelsetStringsByFreq);
                    break;
                case 6:
                    ResultsIOUtils.saveTableLabelsetsIRCsv(wr, jtable, labelsetStringByIR);
                    break;
                default:
                    ResultsIOUtils.saveTableCsv(wr, jtable);
                    break;
                }

                wr.close();
                bw.close();

                JOptionPane.showMessageDialog(null, "File saved.", "Successful",
                        JOptionPane.INFORMATION_MESSAGE);
            } catch (IOException | HeadlessException e1) {
                JOptionPane.showMessageDialog(null, "File not saved correctly.", "Error",
                        JOptionPane.ERROR_MESSAGE);
            }

        }
    }
}

From source file:app.RunApp.java

/**
 * Action for Export button/*from  w  ww . ja  v  a  2 s . c om*/
 * 
 * @param evt Event
 * @param jtable Table
 * @param columns Columns
 * @param table Table type
 */
private void buttonExportActionPerformed(java.awt.event.ActionEvent evt, JTable jtable, JTable columns,
        String table) {
    if (jtable.getRowCount() == 0 || dataset == null) {
        JOptionPane.showMessageDialog(null, "The table is empty.", "Error", JOptionPane.ERROR_MESSAGE);
        return;
    }

    JFileChooser fc = new JFileChooser();

    //FileNameExtensionFilter fname = new FileNameExtensionFilter(".xls", "xls"); 
    FileNameExtensionFilter fname1 = new FileNameExtensionFilter(".csv", "csv");

    //Remove default
    fc.removeChoosableFileFilter(fc.getChoosableFileFilters()[0]);

    fc.setFileFilter(fname1);

    int returnVal = fc.showSaveDialog(this);

    if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        FileFilter f1 = fc.getFileFilter();

        //Saving csv chi_phi
        if (f1.getDescription().equals(".csv")) {
            BufferedWriter bw;
            PrintWriter wr;

            try {
                String path = file.getAbsolutePath() + ".csv";
                bw = new BufferedWriter(new FileWriter(path));
                wr = new PrintWriter(bw);

                switch (table) {
                case "ChiPhi":
                    ResultsIOUtils.saveChiPhiTableCsv(wr, chiPhiCoefficients, dataset.getLabelNames());
                    break;
                case "Coocurrence":
                    ResultsIOUtils.saveCoocurrenceTableCsv(wr, coocurrenceCoefficients,
                            dataset.getLabelNames());
                    break;
                case "Heatmap":
                    ResultsIOUtils.saveHeatmapTableCsv(wr, heatmapCoefficients, dataset.getLabelNames());
                    break;
                default:
                    JOptionPane.showMessageDialog(null, "File not saved correctly.", "Error",
                            JOptionPane.ERROR_MESSAGE);
                    break;
                }

                wr.close();
                bw.close();

                JOptionPane.showMessageDialog(null, "File saved.", "Successful",
                        JOptionPane.INFORMATION_MESSAGE);
            } catch (IOException | HeadlessException e1) {
                JOptionPane.showMessageDialog(null, "File not saved correctly.", "Error",
                        JOptionPane.ERROR_MESSAGE);
            }
        }
    }
}

From source file:app.RunApp.java

/**
 * Action for Save button from multiple datasets tab
 * /*from  w  w  w .j  a  va 2  s  .  c  om*/
 * @param evt Event
 * @param jtable Table
 * @throws IOException 
 */
private void buttonSaveActionPerformedMulti(java.awt.event.ActionEvent evt, JTable jtable) throws IOException {
    ArrayList<String> metricsList = getSelectedMetricsMulti(jtable);

    if (listDatasets == null || listDatasets.isEmpty() || datasetNames.isEmpty()) {
        JOptionPane.showMessageDialog(null, "You must load a dataset.", "Warning", JOptionPane.ERROR_MESSAGE);
        return;
    }

    //JFileChooser save
    JFileChooser fc = new JFileChooser();

    FileNameExtensionFilter fname = new FileNameExtensionFilter(".txt", "txt");
    FileNameExtensionFilter fname2 = new FileNameExtensionFilter(".csv", "csv");
    FileNameExtensionFilter fname3 = new FileNameExtensionFilter(".arff", ".arff");
    FileNameExtensionFilter fname4 = new FileNameExtensionFilter(".tex", ".tex");

    //Remove default
    fc.removeChoosableFileFilter(fc.getChoosableFileFilters()[0]);

    fc.addChoosableFileFilter(fname);
    fc.addChoosableFileFilter(fname2);
    fc.addChoosableFileFilter(fname3);
    fc.addChoosableFileFilter(fname4);

    fc.setFileFilter(fname);

    int returnVal = fc.showSaveDialog(this);

    if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        FileFilter f1 = fc.getFileFilter();

        String path;
        BufferedWriter bw;
        PrintWriter wr;

        switch (f1.getDescription()) {
        case ".txt":
            path = file.getAbsolutePath() + ".txt";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMultiMetricsTxt(wr, metricsList, datasetNames, tableMetricsMulti);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        case ".tex":
            path = file.getAbsolutePath() + ".tex";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMultiMetricsTex(wr, metricsList, datasetNames, tableMetricsMulti);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        case ".csv":
            path = file.getAbsolutePath() + ".csv";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMultiMetricsCsv(wr, metricsList, datasetNames, tableMetricsMulti);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        case ".arff":
            path = file.getAbsolutePath() + ".arff";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMultiMetricsArff(wr, metricsList, datasetNames, tableMetricsMulti);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        default:
            break;
        }

        Toolkit.getDefaultToolkit().beep();
    }
}

From source file:app.RunApp.java

/**
 * Action for Save button from principal tab
 * /*from w  ww .j  a va 2  s .c om*/
 * @param evt Event
 * @param jtable Table
 * @throws IOException 
 */
private void buttonSaveActionPerformedPrincipal(java.awt.event.ActionEvent evt, JTable jtable)
        throws IOException {
    ArrayList<String> metricsList = getMetricsSelectedPrincipal(jtable);

    if (dataset == null) {
        JOptionPane.showMessageDialog(null, "You must load a dataset.", "Warning", JOptionPane.ERROR_MESSAGE);
        return;
    }

    JFileChooser fc = new JFileChooser();

    // extension txt
    FileNameExtensionFilter fname = new FileNameExtensionFilter(".txt", "txt");
    FileNameExtensionFilter fname2 = new FileNameExtensionFilter(".csv", "csv");
    FileNameExtensionFilter fname3 = new FileNameExtensionFilter(".arff", ".arff");
    FileNameExtensionFilter fname4 = new FileNameExtensionFilter(".tex", ".tex");

    //Remove default
    fc.removeChoosableFileFilter(fc.getChoosableFileFilters()[0]);

    fc.addChoosableFileFilter(fname);
    fc.addChoosableFileFilter(fname2);
    fc.addChoosableFileFilter(fname3);
    fc.addChoosableFileFilter(fname4);

    fc.setFileFilter(fname);

    int returnVal = fc.showSaveDialog(this);

    if (returnVal == JFileChooser.APPROVE_OPTION) {
        File file = fc.getSelectedFile();
        FileFilter f1 = fc.getFileFilter();

        String path;
        BufferedWriter bw;
        PrintWriter wr;

        switch (f1.getDescription()) {
        case ".txt":
            path = file.getAbsolutePath() + ".txt";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMetricsTxt(wr, metricsList, dataset, tableMetrics);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        case ".tex":
            path = file.getAbsolutePath() + ".tex";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMetricsTex(wr, metricsList, tableMetrics);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        case ".csv":
            path = file.getAbsolutePath() + ".csv";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMetricsCsv(wr, metricsList, dataset, tableMetrics);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        case ".arff":
            path = file.getAbsolutePath() + ".arff";
            bw = new BufferedWriter(new FileWriter(path));
            wr = new PrintWriter(bw);
            ResultsIOUtils.saveMetricsArff(wr, metricsList, dataset, tableMetrics);
            wr.close();
            bw.close();
            JOptionPane.showMessageDialog(null, "File saved.", "Successful", JOptionPane.INFORMATION_MESSAGE);
            break;
        default:
            break;
        }

        Toolkit.getDefaultToolkit().beep();
    }
}

From source file:org.openmicroscopy.shoola.agents.fsimporter.chooser.ImportDialog.java

/**
 * Initializes the components composing the display.
 * /*from w w  w.j a  v a2s  . c o m*/
 * @param filters The filters to handle.
 * @param importerAction The cancel-all-imports action.
 */
private void initComponents(FileFilter[] filters, ImporterAction importerAction) {
    canvas = new QuotaCanvas();
    sizeImportLabel = new JLabel();
    diskSpacePane = new JPanel();
    diskSpacePane.setLayout(new FlowLayout(FlowLayout.LEFT, 5, 0));
    diskSpacePane.add(UIUtilities.setTextFont(TEXT_FREE_SPACE));
    diskSpacePane.add(canvas);

    showThumbnails = new JCheckBox(TEXT_SHOW_THUMBNAILS);
    showThumbnails.setVisible(false);

    Registry registry = ImporterAgent.getRegistry();

    Boolean loadThumbnails = (Boolean) registry.lookup(LOAD_THUMBNAIL);

    if (loadThumbnails != null) {
        if (loadThumbnails.booleanValue()) {
            showThumbnails.setVisible(true);
            showThumbnails.setSelected(loadThumbnails.booleanValue());
        }
    }

    if (!isFastConnection()) // slow connection
        showThumbnails.setSelected(false);
    long groupId = -1;
    if (model.getSelectedGroup() != null)
        groupId = model.getSelectedGroup().getGroupId();
    if (groupId < 0)
        groupId = ImporterAgent.getUserDetails().getGroupId();

    locationDialog = new LocationDialog(owner, selectedContainer, type, objects, model, groupId, true);
    locationDialog.addPropertyChangeListener(this);

    int plugin = ImporterAgent.runAsPlugin();

    if (plugin == LookupNames.IMAGE_J_IMPORT || plugin == LookupNames.IMAGE_J) {
        detachedDialog = new LocationDialog(owner, selectedContainer, type, objects, model, groupId, false);
        detachedDialog.addPropertyChangeListener(this);
    }
    tagSelectionListener = new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            Object src = e.getSource();
            if (src instanceof JButton) {
                TagAnnotationData tag = tagsMap.get(src);
                if (tag != null) {
                    tagsMap.remove(src);
                    handleTagsSelection(tagsMap.values());
                }
            }
        }
    };

    tabbedPane = new JTabbedPane();
    numberOfFolders = new NumericalTextField();
    numberOfFolders.setMinimum(0);
    numberOfFolders.setText("0");
    numberOfFolders.setColumns(3);
    numberOfFolders.addPropertyChangeListener(this);
    tagsMap = new LinkedHashMap<JButton, TagAnnotationData>();

    IconManager icons = IconManager.getInstance();

    refreshFilesButton = new JButton(TEXT_REFRESH_FILES);
    refreshFilesButton.setBackground(UIUtilities.BACKGROUND);
    refreshFilesButton.setToolTipText(TOOLTIP_REFRESH_FILES);
    refreshFilesButton.setActionCommand("" + CMD_REFRESH_FILES);
    refreshFilesButton.addActionListener(this);

    tagButton = new JButton(icons.getIcon(IconManager.PLUS_12));
    UIUtilities.unifiedButtonLookAndFeel(tagButton);
    tagButton.addActionListener(this);
    tagButton.setActionCommand("" + CMD_TAG);
    tagButton.setToolTipText(TOOLTIP_ADD_TAGS);
    tagsPane = new JPanel();
    tagsPane.setLayout(new BoxLayout(tagsPane, BoxLayout.Y_AXIS));

    overrideName = new JCheckBox(TEXT_OVERRIDE_FILE_NAMING);
    overrideName.setToolTipText(UIUtilities.formatToolTipText(WARNING));
    overrideName.setSelected(true);
    ButtonGroup group = new ButtonGroup();
    fullName = new JRadioButton(TEXT_NAMING_FULL_PATH);
    group.add(fullName);
    partialName = new JRadioButton();
    partialName.setText(TEXT_NAMING_PARTIAL_PATH);
    partialName.setSelected(true);
    group.add(partialName);

    table = new FileSelectionTable(this);
    table.addPropertyChangeListener(this);
    chooser = new GenericFileChooser();
    JList list = (JList) UIUtilities.findComponent(chooser, JList.class);
    KeyAdapter ka = new KeyAdapter() {

        /**
         * Adds the files to the import queue.
         * 
         * @see KeyListener#keyPressed(KeyEvent)
         */
        public void keyPressed(KeyEvent e) {
            if (e.getKeyCode() == KeyEvent.VK_ENTER) {
                handleEnterKeyPressed(e.getSource());
            }
        }
    };
    if (list != null)
        list.addKeyListener(ka);
    if (list == null) {
        JTable t = (JTable) UIUtilities.findComponent(chooser, JTable.class);
        if (t != null)
            t.addKeyListener(ka);
    }

    try {
        File f = UIUtilities.getDefaultFolder();
        if (f != null)
            chooser.setCurrentDirectory(f);
    } catch (Exception e) {
        // Ignore: could not set the default container
    }

    chooser.addPropertyChangeListener(this);
    chooser.setMultiSelectionEnabled(true);
    chooser.setFileSelectionMode(JFileChooser.FILES_AND_DIRECTORIES);
    chooser.setControlButtonsAreShown(false);
    chooser.setApproveButtonText(TEXT_IMPORT);
    chooser.setApproveButtonToolTipText(TOOLTIP_IMPORT);

    bioFormatsFileFilters = new ArrayList<FileFilter>();

    if (filters != null) {
        chooser.setAcceptAllFileFilterUsed(false);

        for (FileFilter fileFilter : filters) {
            if (fileFilter instanceof ComboFileFilter) {
                bioFormatsFileFiltersCombined = fileFilter;

                ComboFileFilter comboFilter = (ComboFileFilter) fileFilter;
                FileFilter[] extensionFilters = comboFilter.getFilters();

                for (FileFilter combinedFilter : extensionFilters) {
                    bioFormatsFileFilters.add(combinedFilter);
                }
                break;
            }
        }

        chooser.addChoosableFileFilter(bioFormatsFileFiltersCombined);

        for (FileFilter fileFilter : bioFormatsFileFilters) {
            chooser.addChoosableFileFilter(fileFilter);
        }

        chooser.setFileFilter(bioFormatsFileFiltersCombined);
    } else {
        chooser.setAcceptAllFileFilterUsed(true);
    }

    closeButton = new JButton(TEXT_CLOSE);
    closeButton.setToolTipText(TOOLTIP_CLOSE);
    closeButton.setActionCommand("" + CMD_CLOSE);
    closeButton.addActionListener(this);

    cancelImportButton = new JButton(importerAction);
    importerAction.setEnabled(false);

    importButton = new JButton(TEXT_IMPORT);
    importButton.setToolTipText(TOOLTIP_IMPORT);
    importButton.setActionCommand("" + CMD_IMPORT);
    importButton.addActionListener(this);
    importButton.setEnabled(false);

    pixelsSize = new ArrayList<NumericalTextField>();
    NumericalTextField field;
    for (int i = 0; i < 3; i++) {
        field = new NumericalTextField();
        field.setNumberType(Double.class);
        field.setColumns(2);
        pixelsSize.add(field);
    }

    List<Component> boxes = UIUtilities.findComponents(chooser, JComboBox.class);
    if (boxes != null) {
        JComboBox box;
        JComboBox filterBox = null;
        Iterator<Component> i = boxes.iterator();
        while (i.hasNext()) {
            box = (JComboBox) i.next();
            Object o = box.getItemAt(0);
            if (o instanceof FileFilter) {
                filterBox = box;
                break;
            }
        }
        if (filterBox != null) {
            filterBox.addKeyListener(new KeyAdapter() {

                public void keyPressed(KeyEvent e) {
                    String value = KeyEvent.getKeyText(e.getKeyCode());
                    JComboBox box = (JComboBox) e.getSource();
                    int n = box.getItemCount();
                    FileFilter filter;
                    FileFilter selectedFilter = null;
                    String d;
                    for (int j = 0; j < n; j++) {
                        filter = (FileFilter) box.getItemAt(j);
                        d = filter.getDescription();
                        if (d.startsWith(value)) {
                            selectedFilter = filter;
                            break;
                        }
                    }
                    if (selectedFilter != null)
                        box.setSelectedItem(selectedFilter);
                }
            });
        }
    }
}

From source file:org.openmicroscopy.shoola.util.ui.filechooser.CustomizedFileChooser.java

/**
 * Returns the format corresponding to the specified filter.
 * //from  ww w.  j  av  a2s . c om
 * @param selectedFilter The filter specified.
 * @return See above.
 */
private String getFormat(FileFilter selectedFilter) {
    List<FileFilter> filters = model.getFilters();
    if (filters == null)
        return "";
    for (FileFilter filter : filters) {
        if (selectedFilter.equals(filter))
            return filter.getDescription();
    }
    return "";
}