public void initialisation() {
if (eventAdminName != null) {
eventAdmin = Finder.getInstance().find(eventAdminName);
}
property.addPropertyChangeListener(this);
if (eventAdmin != null) {
eventAdmin.addIObserver(this);
}
if (property.getPropertyName().equals(LocalProperties.GDA_DATAWRITER_DIR)) {
String currentPath = PathConstructor.createFromProperty(LocalProperties.GDA_DATAWRITER_DIR);
viewer.setSelection(new StructuredSelection(currentPath));
} else {
viewer.setSelection(new StructuredSelection(LocalProperties.get(property.getPropertyName())));
}
currentSelection = (IStructuredSelection) (viewer.getSelection());
}
@Override
public void dispose() {
property.removePropertyChangeListener(this);
if (eventAdmin != null) {
eventAdmin.deleteIObserver(this);
}
super.dispose();
}
/** handling distributed event - i.e property change on the server side. */
@Override
public void update(Object source, Object arg) {
// implement property changed by a server component
if (source instanceof String && ((String) source).equals(property.getPropertyName())) {
logger.debug("Update property {} value to {} by the server", (String) source, (String) arg);
viewer.setSelection(new StructuredSelection((String) arg));
currentSelection = (IStructuredSelection) viewer.getSelection();
}
}
@Override
public void propertyChange(PropertyChangeEvent evt) {
// implement property changed by other client component
if (evt.getSource() != this && evt != null) {
if (evt.getPropertyName().equals(property.getPropertyName())) {
for (String item : list) {
if (item.equals(evt.getNewValue().toString())) {
logger.debug(
"Update property {} value to {} by component {}",
evt.getPropertyName(),
evt.getNewValue(),
evt.getSource());
viewer.setSelection(new StructuredSelection(evt.getNewValue()));
currentSelection = (IStructuredSelection) viewer.getSelection();
}
}
}
}
}