Rapid Application Development with Mozilla™

9.3. How Commands Are Started

Mozilla commands can be started a number of ways. Here are all the possibilities:

• If a functor or controller object is available, its methods can be called directly from JavaScript. This approach ignores the command system and treats the object like any other object.

• The dispatcher's getControllerForCommand() method can be called directly from JavaScript. This method is a first step toward resolving a command name into actionable code. In this case, the dispatcher searches for a suitable command implementation.

• The doCommand() method of a focusable XUL tag can be called directly from JavaScript. If this is done, then any <command> specified as a value of the command attribute will be executed. This method does not ...