private void setClosingBehaviour(final LayerManagerProxy internalFrame) {
final JInternalFrame i = (JInternalFrame) internalFrame;
i.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE);
i.addInternalFrameListener(
new InternalFrameAdapter() {
public void internalFrameClosing(InternalFrameEvent e) {
if (1
== getInternalFramesAssociatedWith((LayerManager) internalFrame.getLayerManager())
.size()) {
if (confirmClose(
"Close Task",
internalFrame.getLayerManager().getLayersWithModifiedFeatureCollections())) {
GUIUtil.dispose(i, desktopPane);
internalFrame.getLayerManager().dispose();
}
} else {
GUIUtil.dispose(i, desktopPane);
}
}
});
}
