protected FileChooserPanel getFileChooserPanel() {
// LoadFileDataSourceQueryChoosers share the same JFileChooser so that the user's
// work is not lost when he switches data-source types. Also, the JFileChooser options
// are set once because setting them is slow (freezes the GUI for a few seconds).
// [Jon Aquino]
if (blackboard().get(FILE_CHOOSER_PANEL_KEY) == null) {
final JFileChooser fileChooser = GUIUtil.createJFileChooserWithExistenceChecking();
fileChooser.setMultiSelectionEnabled(true);
fileChooser.setControlButtonsAreShown(false);
blackboard().put(FILE_CHOOSER_KEY, fileChooser);
blackboard().put(FILE_CHOOSER_PANEL_KEY, new FileChooserPanel(fileChooser, blackboard()));
if (PersistentBlackboardPlugIn.get(context).get(FILE_CHOOSER_DIRECTORY_KEY) != null) {
fileChooser.setCurrentDirectory(
new File(
(String) PersistentBlackboardPlugIn.get(context).get(FILE_CHOOSER_DIRECTORY_KEY)));
((FileChooserPanel) blackboard().get(FILE_CHOOSER_PANEL_KEY))
.setSelectedCoordinateSystem(
(String)
PersistentBlackboardPlugIn.get(context)
.get(FILE_CHOOSER_COORDINATE_SYSTEM_KEY));
}
if (CoordinateSystemSupport.isEnabled(blackboard())) {
((FileChooserPanel) blackboard().get(FILE_CHOOSER_PANEL_KEY))
.setCoordinateSystemComboBoxVisible(true);
}
}
return (FileChooserPanel) blackboard().get(FILE_CHOOSER_PANEL_KEY);
}
public Collection getDataSourceQueries() {
// User has pressed OK, so persist the directory. [Jon Aquino]
PersistentBlackboardPlugIn.get(context)
.put(
FILE_CHOOSER_DIRECTORY_KEY,
getFileChooserPanel().getChooser().getCurrentDirectory().toString());
PersistentBlackboardPlugIn.get(context)
.put(
FILE_CHOOSER_COORDINATE_SYSTEM_KEY,
getFileChooserPanel().getSelectedCoordinateSystem().getName());
return super.getDataSourceQueries();
}