300 lines
8.8 KiB
Java
300 lines
8.8 KiB
Java
package net.filebot.ui.sfv;
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import static net.filebot.ui.sfv.ChecksumTableModel.*;
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import static net.filebot.ui.transfer.BackgroundFileTransferablePolicy.*;
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import static net.filebot.util.FileUtilities.*;
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import static net.filebot.util.ui.SwingUI.*;
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import java.awt.datatransfer.Transferable;
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import java.awt.event.ActionEvent;
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import java.awt.event.KeyEvent;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import java.io.File;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ExecutorService;
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import javax.swing.AbstractAction;
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import javax.swing.ButtonGroup;
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import javax.swing.JButton;
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import javax.swing.JComponent;
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import javax.swing.JPanel;
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import javax.swing.JScrollPane;
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import javax.swing.JToggleButton;
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import javax.swing.KeyStroke;
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import javax.swing.SwingUtilities;
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import javax.swing.border.TitledBorder;
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import com.google.common.eventbus.Subscribe;
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import net.filebot.ResourceManager;
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import net.filebot.hash.HashType;
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import net.filebot.ui.SelectDialog;
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import net.filebot.ui.transfer.DefaultTransferHandler;
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import net.filebot.ui.transfer.LoadAction;
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import net.filebot.ui.transfer.SaveAction;
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import net.filebot.ui.transfer.TransferablePolicy;
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import net.filebot.ui.transfer.TransferablePolicy.TransferAction;
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import net.filebot.util.FileUtilities;
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import net.miginfocom.swing.MigLayout;
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public class SfvPanel extends JComponent {
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private final ChecksumComputationService computationService = new ChecksumComputationService();
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private final ChecksumTable table = new ChecksumTable();
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private final ChecksumTableTransferablePolicy transferablePolicy = new ChecksumTableTransferablePolicy(table, computationService);
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private final ChecksumTableExportHandler exportHandler = new ChecksumTableExportHandler(table.getModel());
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public SfvPanel() {
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table.setTransferHandler(new DefaultTransferHandler(transferablePolicy, exportHandler));
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JPanel contentPane = new JPanel(new MigLayout("insets 0, nogrid, fill", "", "[fill]10px[bottom, pref!]4px"));
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contentPane.setBorder(new TitledBorder("SFV"));
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setLayout(new MigLayout("insets dialog, fill"));
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add(contentPane, "grow");
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contentPane.add(new JScrollPane(table), "grow, wrap");
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contentPane.add(new JButton(loadAction), "gap left 15px");
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contentPane.add(new JButton(saveAction));
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contentPane.add(new JButton(clearAction), "gap right 40px");
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// hash function toggle button group
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ButtonGroup group = new ButtonGroup();
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for (HashType hash : HashType.values()) {
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JToggleButton button = new ChecksumButton(new ChangeHashTypeAction(hash));
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group.add(button);
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contentPane.add(button);
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}
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contentPane.add(new TotalProgressPanel(computationService), "gap left 35px:push, gap right 7px, hidemode 1");
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// cancel and restart computations whenever the hash function has been changed
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table.getModel().addPropertyChangeListener(new PropertyChangeListener() {
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@Override
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public void propertyChange(PropertyChangeEvent evt) {
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if (HASH_TYPE_PROPERTY.equals(evt.getPropertyName())) {
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restartComputation((HashType) evt.getNewValue());
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}
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}
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});
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// Shortcut DELETE
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installAction(this, KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), removeAction);
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}
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public TransferablePolicy getTransferablePolicy() {
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return transferablePolicy;
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}
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protected void restartComputation(HashType hash) {
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// cancel all running computations
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computationService.reset();
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ChecksumTableModel model = table.getModel();
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// calculate new hashes, one executor for each checksum column
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Map<File, ExecutorService> executors = new HashMap<File, ExecutorService>(4);
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for (ChecksumRow row : model.rows()) {
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for (ChecksumCell cell : row.values()) {
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if (cell.getChecksum(hash) == null && cell.getRoot().isDirectory()) {
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cell.putTask(new ChecksumComputationTask(new File(cell.getRoot(), cell.getName()), hash));
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ExecutorService executor = executors.get(cell.getRoot());
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if (executor == null) {
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executor = computationService.newExecutor();
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executors.put(cell.getRoot(), executor);
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}
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// start computation
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executor.execute(cell.getTask());
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}
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}
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}
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// start shutdown sequence for all created executors
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for (ExecutorService executor : executors.values()) {
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executor.shutdown();
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}
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}
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@Subscribe
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public void handle(Transferable transferable) throws Exception {
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TransferablePolicy handler = getTransferablePolicy();
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if (handler != null && handler.accept(transferable)) {
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handler.handleTransferable(transferable, TransferAction.PUT);
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}
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}
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private final SaveAction saveAction = new ChecksumTableSaveAction();
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private final LoadAction loadAction = new LoadAction(this::getTransferablePolicy);
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private final AbstractAction clearAction = new AbstractAction("Clear", ResourceManager.getIcon("action.clear")) {
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@Override
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public void actionPerformed(ActionEvent e) {
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transferablePolicy.reset();
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computationService.reset();
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table.getModel().clear();
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}
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};
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private final AbstractAction removeAction = new AbstractAction("Remove") {
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@Override
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public void actionPerformed(ActionEvent e) {
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if (table.getSelectedRowCount() < 1)
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return;
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int[] rows = table.getSelectedRows();
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if (rows.length <= 0) {
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// no rows selected
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return;
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}
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// first selected row
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int selectedRow = table.getSelectedRow();
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// convert view index to model index
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for (int i = 0; i < rows.length; i++) {
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rows[i] = table.getRowSorter().convertRowIndexToModel(rows[i]);
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}
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// remove selected rows
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table.getModel().remove(rows);
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// update computation service task count
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computationService.purge();
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// auto select next row
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selectedRow = Math.min(selectedRow, table.getRowCount() - 1);
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table.getSelectionModel().setSelectionInterval(selectedRow, selectedRow);
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}
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};
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protected class ChangeHashTypeAction extends AbstractAction implements PropertyChangeListener {
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private ChangeHashTypeAction(HashType hash) {
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super(hash.toString());
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putValue(HASH_TYPE_PROPERTY, hash);
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// initialize selected state
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propertyChange(new PropertyChangeEvent(this, HASH_TYPE_PROPERTY, null, table.getModel().getHashType()));
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transferablePolicy.addPropertyChangeListener(this);
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table.getModel().addPropertyChangeListener(this);
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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table.getModel().setHashType((HashType) getValue(HASH_TYPE_PROPERTY));
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}
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@Override
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public void propertyChange(PropertyChangeEvent evt) {
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if (LOADING_PROPERTY.equals(evt.getPropertyName())) {
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// update enabled state
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setEnabled(!(Boolean) evt.getNewValue());
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} else if (HASH_TYPE_PROPERTY.equals(evt.getPropertyName())) {
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// update selected state
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putValue(SELECTED_KEY, evt.getNewValue() == getValue(HASH_TYPE_PROPERTY));
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}
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}
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}
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protected class ChecksumTableSaveAction extends SaveAction {
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private File selectedColumn = null;
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public ChecksumTableSaveAction() {
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super(exportHandler);
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}
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@Override
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public ChecksumTableExportHandler getExportHandler() {
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return (ChecksumTableExportHandler) super.getExportHandler();
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}
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@Override
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protected boolean canExport() {
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return selectedColumn != null && super.canExport();
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}
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@Override
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protected void export(File file) throws IOException {
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getExportHandler().export(file, selectedColumn);
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}
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@Override
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protected File getDefaultFile() {
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// use the column root as default folder in the file dialog
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return new File(selectedColumn, validateFileName(getExportHandler().getDefaultFileName(selectedColumn)));
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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List<File> options = new ArrayList<File>();
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// filter out verification file columns
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for (File file : table.getModel().getChecksumColumns()) {
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if (file.isDirectory())
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options.add(file);
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}
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// can't export anything
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if (options.isEmpty()) {
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return;
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}
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try {
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if (options.size() == 1) {
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// auto-select option if there is only one option
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this.selectedColumn = options.get(0);
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} else if (options.size() > 1) {
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// user must select one option
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SelectDialog<File> selectDialog = new SelectDialog<File>(SwingUtilities.getWindowAncestor(SfvPanel.this), options) {
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@Override
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protected String convertValueToString(Object value) {
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return FileUtilities.getFolderName((File) value);
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}
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};
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selectDialog.getHeaderLabel().setText("Select checksum column:");
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selectDialog.setLocationRelativeTo(SfvPanel.this);
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selectDialog.setVisible(true);
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this.selectedColumn = selectDialog.getSelectedValue();
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}
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if (this.selectedColumn != null) {
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// continue if a column was selected
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super.actionPerformed(e);
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}
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} finally {
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// reset selected column
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this.selectedColumn = null;
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}
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}
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}
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}
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