* Adds a new view to the views list, with the name key, creates all the needed
* instances for the new view, and sets the functions and renderers related
* @param key The new view's name
*/
public void addView(String key) {
putLayout(key, new StaticLayout(_myGraph));
AbstractLayout l = getLayout(key);
putVisualizationModel(key, new DefaultVisualizationModel(l, borderDimension));
VisualizationModel vm = getVisualizationModel(key);
putPR(key, new NexsmPluggableRenderer());
PluggableRenderer pr = getPR(key);