private void initializeListeners() {
    m_graph.addGraph2DSelectionListener(m_selectionObserver);
    m_graph.addGraphListener(m_selectionObserver);
  }
Initializes the graph selection listeners that convert internal selection events into proper
selection events.
java/zylib/src/main/java/com/google/security/zynamics/zylib/yfileswrap/gui/zygraph/AbstractZyGraph.java