public void showDependencyPropertiesDialog(GraphicDependency dependency) {
if (dependencyPropertiesDialog == null) {
Frame parent=JOptionPane.getFrameForComponent(getGraph());
dependencyPropertiesDialog = new DependencyDialog(parent,dependency.getDependency());
}
boolean didAction = DependencyDialog.doDialog(dependencyPropertiesDialog,dependency.getDependency());
}