public VisualScene() {
addChild(backgroundLayer);
addChild(mainLayer);
addChild(connectionLayer);
addChild(interactionLayer);
addChild(forgroundLayer);
// set the initial tool
this.setActiveTool(EDIT);
getActions().addAction(ActionFactory.createZoomAction());
getActions().addAction(ActionFactory.createPanAction());
getActions()
.addAction(
hoverAction); // this hover action is needed for port highlights to turn them off(the
// scene takes over the mosue)
getActions().addAction(new SceneMouseAction());
getActions().addAction(ActionFactory.createRectangularSelectAction(this, backgroundLayer));
getPriorActions().addAction(new KeyEventAction()); // add the scene key event listener
}
