public void actionPerformed(ActionEvent e) {
// Handle open button action.
if (e.getSource() == openButton) {
int returnVal = fc.showOpenDialog(FileChooserDemo.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
// This is where a real application would open the file.
log.append("Opening: " + file.getName() + "." + newline);
} else {
log.append("Open command cancelled by user." + newline);
}
log.setCaretPosition(log.getDocument().getLength());
// Handle save button action.
} else if (e.getSource() == saveButton) {
int returnVal = fc.showSaveDialog(FileChooserDemo.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fc.getSelectedFile();
// This is where a real application would save the file.
log.append("Saving: " + file.getName() + "." + newline);
} else {
log.append("Save command cancelled by user." + newline);
}
log.setCaretPosition(log.getDocument().getLength());
}
}
public static File saveFile(String ext) {
JFileChooser fileChooser = new JFileChooser("Save as...");
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
FileFilter filter = new FileNameExtensionFilter(ext, ext);
fileChooser.setAcceptAllFileFilterUsed(false);
fileChooser.setFileFilter(filter);
fileChooser.showSaveDialog(null);
return fileChooser.getSelectedFile();
}
private void saveAs() {
if (saveFC == null) {
saveFC = new SaveDataFileChooser();
}
int ret = saveFC.showSaveDialog(this);
if (ret == JFileChooser.APPROVE_OPTION) {
saveDataToFile(saveFC.getSelectedFile());
}
}
public void actionPerformed(ActionEvent e) {
String cmd = (e.getActionCommand());
if (cmd.equals(aboutItem.getText()))
JOptionPane.showMessageDialog(
this,
"Simple Image Program for DB2004\nversion 0.1\nThanks to BvS",
"About imageLab",
JOptionPane.INFORMATION_MESSAGE);
else if (cmd.equals(quitItem.getText())) System.exit(0);
else if (cmd.equals(openItem.getText())) {
int returnVal = chooser.showOpenDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
try {
pic2 = new Picture(chooser.getSelectedFile().getName());
pic1 = new Picture(pic2.width(), pic2.height());
lab.setIcon(pic2.getJLabel().getIcon());
sliderPanel.setVisible(false);
pack();
repaint();
} catch (Exception ex) {
JOptionPane.showMessageDialog(
this,
"Could not open " + chooser.getSelectedFile().getName() + "\n" + ex.getMessage(),
"Open Error",
JOptionPane.INFORMATION_MESSAGE);
}
}
} else if (cmd.equals(saveItem.getText())) {
int returnVal = chooser.showSaveDialog(this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
try {
pic2.save(chooser.getSelectedFile().getName());
} catch (Exception ex) {
JOptionPane.showMessageDialog(
this,
"Could not write " + chooser.getSelectedFile().getName() + "\n" + ex.getMessage(),
"Save Error",
JOptionPane.INFORMATION_MESSAGE);
}
}
}
}