/** Updates the enablement state of the action buttons according to the current selection. */
private void updateButtons() {
if (addButton != null) {
addButton.setEnabled(currentWorkingSet != null);
}
if (removeButton != null) {
removeButton.setEnabled((currentConfig != null) && !currentConfig.isReadOnly());
}
if (renameButton != null) {
renameButton.setEnabled((currentConfig != null) && !currentConfig.isReadOnly());
}
if (activateButton != null) {
activateButton.setEnabled((currentConfig != null) && !currentConfig.isActive());
}
if (buildButton != null) {
buildButton.setEnabled(currentConfig != null);
}
}
