public mxCell insertVertex(VertexValue value) {
graph.getModel().beginUpdate();
Object parent = graph.getDefaultParent();
Object inserted;
try {
inserted = graph.insertVertex(parent, null, value, 0, 0, vertexWidth, vertexHeight);
layout.execute(parent);
} catch (Exception e) {
e.printStackTrace();
return null;
} finally {
graph.getModel().endUpdate();
}
return (mxCell) inserted;
}
private void morphLayout() {
panGraph.getModel().beginUpdate();
layout.execute(graphParent);
panGraph.getModel().endUpdate();
}
public void executeLayout() {
layout.execute(graph.getDefaultParent());
}