Ext JS Application Development Blueprints

Where the wild things are

We have our design, so let's step a little closer and examine the parts of the application where a little more detail may be required. For example, we have a controller method called onAddClick that will be handling the process of adding a new record, but what will this actually entail and are there any pain points hidden within? Here's what needs to happen when this handler is done with its job:

• Ask the user for a name for the new page
• Create a new blank record with default values and the page name
• Add the page as a child node of the current page
• Load the record in the detail panel
• Show the new record in the tree

That's a lot for a single controller action. Let's look at how we might code it to see whether we're trying to ...