public HdfsResourceTypePresenter() {
_hostnameField = WidgetFactory.createTextField("hostname", 10);
_hostnameField.setText("localhost");
_portField = WidgetFactory.createTextField("port", 4);
_portField.setDocument(new NumberDocument(false, false));
_portField.setText("9000");
_pathTextField = WidgetFactory.createTextField("path", 12);
_pathTextField.setText("/");
final DCDocumentListener documentListener =
new DCDocumentListener() {
@Override
protected void onChange(DocumentEvent event) {
onInputChanged();
}
};
_hostnameField.getDocument().addDocumentListener(documentListener);
_portField.getDocument().addDocumentListener(documentListener);
_pathTextField.getDocument().addDocumentListener(documentListener);
_panel = DCPanel.flow(Alignment.LEFT, 2, 0, _hostnameField, _portField, _pathTextField);
}
/**
* A widget for selecting a file(name). It will be represented as a textfield with a browse button.
*
* <p>It is preferred to use this widget's "big brother" implementation, {@link ResourceSelector}
* which will work with any type of {@link Resource}, not just files (e.g. {@link FileResource} and
* others).
*/
public final class FilenameTextField extends DCPanel
implements ResourceTypePresenter<FileResource> {
private static final long serialVersionUID = 1L;
private final JXTextField _textField = WidgetFactory.createTextField("Filename");
private final JButton _browseButton =
WidgetFactory.createDefaultButton("Browse", IconUtils.ACTION_BROWSE);
private final List<FileSelectionListener> _fileSelectionListeners = new ArrayList<>();
private final List<ResourceTypePresenter.Listener> _resourceListeners = new ArrayList<>();
private final List<FileFilter> _chooseableFileFilters = new ArrayList<>();
private volatile FileFilter _selectedFileFilter;
private volatile File _directory;
private boolean _textFieldUpdating = false;
private int _fileSelectionMode = JFileChooser.FILES_ONLY;
/**
* @param directory
* @param fileOpenDialog true if browse dialog should be an "open file" dialog or false if it
* should be a "save file" dialog.
*/
public FilenameTextField(File directory, final boolean fileOpenDialog) {
super();
_directory = directory;
setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
add(_textField);
add(Box.createHorizontalStrut(4));
add(_browseButton);
_browseButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
final DCFileChooser fileChooser;
if (_directory == null) {
fileChooser = new DCFileChooser();
} else {
fileChooser = new DCFileChooser(_directory);
}
WidgetUtils.centerOnScreen(fileChooser);
for (FileFilter filter : _chooseableFileFilters) {
fileChooser.addChoosableFileFilter(filter);
}
fileChooser.setFileSelectionMode(_fileSelectionMode);
if (_selectedFileFilter != null) {
if (!_chooseableFileFilters.contains(_selectedFileFilter)) {
_chooseableFileFilters.add(_selectedFileFilter);
}
fileChooser.setFileFilter(_selectedFileFilter);
}
int result;
if (fileOpenDialog) {
result = fileChooser.showOpenDialog(FilenameTextField.this);
} else {
result = fileChooser.showSaveDialog(FilenameTextField.this);
}
if (result == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
boolean accepted = true;
if (fileOpenDialog) {
accepted = file.exists();
}
if (accepted) {
setFile(file);
if (file.isDirectory()) {
_directory = file;
} else {
_directory = file.getParentFile();
}
notifyListeners(file);
}
}
}
});
_textField
.getDocument()
.addDocumentListener(
new DCDocumentListener() {
@Override
protected void onChange(DocumentEvent event) {
_textFieldUpdating = true;
try {
final File file = getFile();
if (file == null) {
final String text = _textField.getText();
notifyListeners(text);
} else {
notifyListeners(file);
}
} finally {
_textFieldUpdating = false;
}
}
});
}
private void notifyListeners(String text) {
for (Listener listener : _resourceListeners) {
listener.onPathEntered(this, text);
}
}
private void notifyListeners(final File file) {
for (FileSelectionListener listener : _fileSelectionListeners) {
listener.onSelected(this, file);
}
final Resource fileResource = new FileResource(file);
for (Listener listener : _resourceListeners) {
listener.onResourceSelected(this, fileResource);
}
}
public File getDirectory() {
return _directory;
}
public JButton getBrowseButton() {
return _browseButton;
}
public JXTextField getTextField() {
return _textField;
}
public String getFilename() {
return _textField.getText();
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
_browseButton.setEnabled(enabled);
_textField.setEnabled(enabled);
}
public void setFilename(String filename) {
if (_textFieldUpdating) {
// ignore this event - it's a call back from listeners that reacted
// to a text field change.
return;
}
_textField.setText(filename);
}
public void setFile(File file) {
try {
setFilename(file.getCanonicalPath());
} catch (IOException e1) {
// ignore
setFilename(file.getAbsolutePath());
}
}
public File getFile() {
String filename = getFilename();
if (StringUtils.isNullOrEmpty(filename)) {
return null;
}
return new File(filename);
}
public void addFileSelectionListener(FileSelectionListener listener) {
_fileSelectionListeners.add(listener);
}
public void removeFileSelectionListener(FileSelectionListener listener) {
_fileSelectionListeners.remove(listener);
}
@Override
public void addChoosableFileFilter(FileFilter filter) {
_chooseableFileFilters.add(filter);
}
@Override
public void setSelectedFileFilter(FileFilter filter) {
_selectedFileFilter = filter;
}
@Override
public void removeChoosableFileFilter(FileFilter filter) {
_chooseableFileFilters.remove(filter);
}
public void setFileSelectionMode(int fileSelectionMode) {
_fileSelectionMode = fileSelectionMode;
}
public int getFileSelectionMode() {
return _fileSelectionMode;
}
@Override
public JComponent getWidget() {
return this;
}
@Override
public FileResource getResource() {
final File file = getFile();
if (file == null) {
return null;
}
return new FileResource(file);
}
@Override
public void setResource(FileResource resource) {
setFile(resource.getFile());
}
@Override
public void addListener(org.datacleaner.widgets.ResourceTypePresenter.Listener listener) {
_resourceListeners.add(listener);
}
@Override
public void removeListener(org.datacleaner.widgets.ResourceTypePresenter.Listener listener) {
_resourceListeners.remove(listener);
}
}