have a go at this http://www.cairngormdocs.org/tools/CairngormDiagramExplorer.swf
DK On Thu, Jul 10, 2008 at 7:37 AM, oscar.12321 <[EMAIL PROTECTED]> wrote: > I have the past few days reading about Cairngorm and, at all, i don't > understand the concept behind de events and commands. > > The people says that a event-command pair corresponds to a user > gesture or system event: clicks, app init, etc. But when i browse the > Cairngorm store app i found things like these: > > - Command modifies the model and the model notifies the view throw > bindings: this seems logic to me. > > - Selecting a product in the view directly changes the > model.selectedItem: where is the command?. What we have here is a user > gesture and a model update without Cairngorm event or command. > > - Retrieving the products with a GetProductsCommand: what kind of > event+command is this?. The system event shold be appInit or the like, > and then usually you need to retrieve many things, not only products. > Why server request = command? > > - Finally, the checkout process is divided in a sequence of commands. > The user gesture is checkout, but the app uses serveral commands. > > This has no sense for me. I think the theory was right, but when > applied is twisted to match the framework limitations. > > This is suposed to be the mother of the samples (an the only one, i > think). > > Could any one clarify me when to use a command an how to explain the > concept to other people? > > Thanks > > - Oscar > > -- Douglas Knudsen http://www.cubicleman.com this is my signature, like it?
