Development with the Force.com Platform: Building Business Applications in the Cloud, Third Edition

Indicating Action Status

You’ve learned how to invoke actions asynchronously. To notify users when asynchronous actions are being performed, use the actionStatus component in conjunction with any action component.

The actionStatus component can notify users of two states: when an asynchronous action is started and when it is stopped. To use it, place it in the location on your page where you want to show the status message. Use the startText and stopText attributes to specify the messages to be shown to the user. If you need to pass arguments to the action, use a nested param component.

Listing 7.7 provides an example of using the actionStatus component, building on the page from Listing 7.6 and the controller from Listing 7.4. When the text ...