private void setComponentsEnabled(boolean enabled) {
list.setEnabled(enabled);
process.setEnabled(enabled);
remove.setEnabled(enabled);
xres.setEnabled(enabled);
yres.setEnabled(enabled);
aspect.setEnabled(enabled);
boolean b = aspect.isSelected() && enabled;
colorLabel.setEnabled(b);
colorBox.setEnabled(b);
redLabel.setEnabled(b);
red.setEnabled(b);
redValue.setEnabled(b);
greenLabel.setEnabled(b);
green.setEnabled(b);
greenValue.setEnabled(b);
blueLabel.setEnabled(b);
blue.setEnabled(b);
blueValue.setEnabled(b);
format.setEnabled(enabled);
algorithm.setEnabled(enabled);
prepend.setEnabled(enabled);
append.setEnabled(enabled);
output.setEnabled(enabled);
}
/** Enables the speed slider. */
public void enableSpeedSlider() {
speedSlider.setEnabled(true);
}
/** Disables the speed slider. */
public void disableSpeedSlider() {
speedSlider.setEnabled(false);
}
/** Called for button presses and checkbox toggles. */
public void actionPerformed(ActionEvent e) {
Object src = e.getSource();
// the source of the event is the add files button
// so we need to let the user add some files!
if (src == addFiles) {
// create an appropriate file chooser
JFileChooser myTempFileChooser = new JFileChooser((new File("")).getAbsolutePath());
myTempFileChooser.setMultiSelectionEnabled(true);
myTempFileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
myTempFileChooser.setDialogType(JFileChooser.OPEN_DIALOG);
myTempFileChooser.setFileHidingEnabled(true);
// open the file chooser and get the user's selctions
int returnCode = myTempFileChooser.showOpenDialog(this);
// use the return info to add files if the
// user selected any in the file chooser
if (returnCode == JFileChooser.APPROVE_OPTION) {
// grab the files the user selected
File[] selectedFiles = myTempFileChooser.getSelectedFiles();
// pull the files into the list
changeFilesInList.importFileData(list, selectedFiles);
}
}
// the source of the event was the process button
else if (src == process) {
if (((DefaultListModel) list.getModel()).size() == 0) return;
setComponentsEnabled(false);
final ThumbMaker tm = this;
Thread t =
new Thread(
new Runnable() {
public void run() {
tm.process();
setComponentsEnabled(true);
}
});
t.start();
// because we can't do it on quit, we are going to save
// all the preference values when the user processes a set
// of images
savePreferences();
}
// the source of the event was the remove button
else if (src == remove) {
DefaultListModel model = (DefaultListModel) list.getModel();
while (true) {
int ndx = list.getSelectedIndex();
if (ndx < 0) break;
model.removeElementAt(ndx);
}
}
// the source of the event was the preserve aspect check box
else if (src == aspect) {
boolean b = aspect.isSelected();
colorLabel.setEnabled(b);
colorBox.setEnabled(b);
redLabel.setEnabled(b);
red.setEnabled(b);
redValue.setEnabled(b);
greenLabel.setEnabled(b);
green.setEnabled(b);
greenValue.setEnabled(b);
blueLabel.setEnabled(b);
blue.setEnabled(b);
blueValue.setEnabled(b);
}
// the source of the event is the "..." button,
// we need to let the user select a destination file
else if (src == dotDotDot) {
// create an appropriate file chooser
JFileChooser myTempFileChooser =
new JFileChooser(new File(output.getText()).getAbsolutePath());
myTempFileChooser.setMultiSelectionEnabled(false);
myTempFileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
myTempFileChooser.setDialogType(JFileChooser.OPEN_DIALOG);
myTempFileChooser.setFileHidingEnabled(true);
// open the file chooser and get the user's selctions
int returnCode = myTempFileChooser.showOpenDialog(this);
// use the return info to set the directory if the
// user selected one in the file chooser
if (returnCode == JFileChooser.APPROVE_OPTION) {
// grab the file the user selected
File selectedFile = myTempFileChooser.getSelectedFile();
// stuff the file path into the text field
output.setText(selectedFile.getAbsolutePath());
}
}
}