final void setContent(Node node) {
    LOGGER.trace("Setting active view to module's view");
    if (!moduleViews.getChildren().contains(node)) {
      LOGGER.trace("Initially add view of module to the scene graph");
      moduleViews.getChildren().add(node);
    }
    activeView = node;
    activeView.setVisible(true);
  }
Replaces the current displayed Node with a new one. This is called when a new module is
selected and displayed.

@param node the module content as a Node
workbenchfx-core/src/main/java/com/dlsc/workbenchfx/view/ContentView.java