As we know EPiServer edit mode components, both built-in and custom, are implemented in a modular way. It means that they are isolated to each other. Yet when developing new features sometimes there is a need of creating dependencies between the widgets. It’s necessary when changing state of one widget should affect state of another one. For example when our component depends on current context. When editor selects a node from three structure the component should be notified about this event and take a proper action. (more…)