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package tim.prune.function.filesleuth;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.io.File;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JDialog;
import javax.swing.JFileChooser;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.border.EtchedBorder;
import tim.prune.App;
import tim.prune.GenericFunction;
import tim.prune.I18nManager;
import tim.prune.config.Config;
/**
* Function to start looking for track files meeting certain criteria.
* This function just determines the start path and whether to search recursively,
* before passing control to the FindFilesFunction.
*/
public class StartFindFilesFunction extends GenericFunction
{
private JDialog _dialog = null;
private JTextField _searchDirBox = null;
private JCheckBox _subdirsCheckbox = null;
private JButton _okButton = null;
public StartFindFilesFunction(App inApp) {
super(inApp);
}
@Override
public String getNameKey() {
return "menu.file.findfile";
}
@Override
public void begin()
{
if (_dialog == null)
{
_dialog = new JDialog(_parentFrame, getName());
_dialog.setLocationRelativeTo(_parentFrame);
_dialog.getContentPane().add(makeContents());
_dialog.pack();
}
// Set directory according to current config
final String currPath = getConfig().getConfigString(Config.KEY_TRACK_DIR);
_searchDirBox.setText(currPath == null ? "" : currPath);
enableButtons();
_dialog.setVisible(true);
}
/**
* Enable or disable the OK button
*/
private void enableButtons()
{
final String path = _searchDirBox.getText();
boolean dirGood = false;
if (!path.equals(""))
{
File dir = new File(path);
dirGood = dir.exists() && dir.canRead() && dir.isDirectory();
}
_okButton.setEnabled(dirGood);
}
/**
* @return the contents of the window as a Component
*/
private Component makeContents()
{
JPanel dialogPanel = new JPanel();
dialogPanel.setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createEtchedBorder(EtchedBorder.LOWERED), BorderFactory.createEmptyBorder(4, 4, 4, 4))
);
dialogPanel.setLayout(new BorderLayout(0, 5));
// dir panel
JPanel dirPanel = new JPanel();
dirPanel.setLayout(new BorderLayout());
dirPanel.add(new JLabel(I18nManager.getText("dialog.findfile.dir") + " : "), BorderLayout.WEST);
_searchDirBox = new JTextField(24);
_searchDirBox.addKeyListener(new KeyAdapter() {
public void keyReleased(KeyEvent arg0) {
super.keyReleased(arg0);
enableButtons();
}
});
_searchDirBox.addActionListener(e -> finish());
dirPanel.add(_searchDirBox, BorderLayout.CENTER);
JButton browseButton = new JButton(I18nManager.getText("button.browse"));
browseButton.addActionListener(e -> chooseDir());
dirPanel.add(browseButton, BorderLayout.EAST);
_subdirsCheckbox = new JCheckBox(I18nManager.getText("dialog.open.includesubdirectories"), true);
dirPanel.add(_subdirsCheckbox, BorderLayout.SOUTH);
// holder panel so it doesn't expand vertically
JPanel dirHolderPanel = new JPanel();
dirHolderPanel.setLayout(new BorderLayout());
dirHolderPanel.add(dirPanel, BorderLayout.NORTH);
dialogPanel.add(dirHolderPanel, BorderLayout.CENTER);
// OK, Cancel buttons at the bottom right
JPanel buttonPanelr = new JPanel();
buttonPanelr.setLayout(new FlowLayout(FlowLayout.RIGHT));
_okButton = new JButton(I18nManager.getText("button.ok"));
_okButton.addActionListener(e -> finish());
buttonPanelr.add(_okButton);
JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
cancelButton.addActionListener(e -> _dialog.dispose());
buttonPanelr.add(cancelButton);
// Put them together
JPanel buttonPanel = new JPanel();
buttonPanel.setLayout(new BorderLayout());
buttonPanel.add(buttonPanelr, BorderLayout.EAST);
dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
return dialogPanel;
}
/**
* Function activated by the "Browse..." button to select a directory
*/
private void chooseDir()
{
JFileChooser chooser = new JFileChooser();
chooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
// Set start path from currently selected dir
String path = _searchDirBox.getText();
if (path.length() > 1) {
chooser.setCurrentDirectory(new File(path));
}
if (chooser.showOpenDialog(_parentFrame) == JFileChooser.APPROVE_OPTION) {
_searchDirBox.setText(chooser.getSelectedFile().getAbsolutePath());
}
enableButtons();
}
/**
* OK pressed, start the search
*/
private void finish()
{
if (!_okButton.isEnabled()) {
return;
}
File startDir = new File(_searchDirBox.getText());
if (hasAnyFiles(startDir, _subdirsCheckbox.isSelected()))
{
new FindFilesFunction(_app, startDir, _subdirsCheckbox.isSelected()).begin();
_dialog.dispose();
}
else {
_app.showErrorMessage(getNameKey(), "error.findfile.nofilesfound");
}
}
/**
* Check if the given path has any files to search through
*/
private boolean hasAnyFiles(File inPath, boolean inSubdirs)
{
if (inPath == null || !inPath.exists() || !inPath.canRead() || !inPath.isDirectory()) {
return false;
}
File[] files = inPath.listFiles();
if (files == null) {
return false;
}
// Look through files in this directory
for (File file : files)
{
if (file != null && file.isFile() && file.canRead()) {
return true;
}
}
if (inSubdirs)
{
// Also look in subdirectories
for (File dir : files)
{
if (dir != null && dir.isDirectory() && dir.canRead() && hasAnyFiles(dir, true)) {
return true;
}
}
}
// Nothing found
return false;
}
}
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