In Eclipse, the term action is used to describe a visible element in an application that allows users to initiate a unit of work. You may notice several terms in Eclipse documentation that are used to describe units of work: operations, actions, action delegates, commands, and jobs. However, actions figure most prominently in RCP applications. The key concept is that when you click a menu or toolbar, or invoke a key sequence, an action is run. It’s that simple.
As you can imagine, actions are essential for most applications. Hyperbola doesn’t have any actions yet, so it’s difficult to see how the real product will look and feel (see Figure 6-1). In this chapter we show you how to
• Add a top-level menu and toolbar