Avi

what do you think about the second proposal. I think I like it.

Stef


On Tuesday, June 10, 2003, at 08:56 PM, John W.Sarkela wrote:

> Well, I would propose one of two strategies, both of which require 
> reimplementing these modal UI requests.
>
> 1. Raise a UserInterfaceNotification exception in the implementation 
> of #inform: and friends and make the default handler action to be the 
> current implementation.
>
> 2. Use the Squeak World Tour strategy of having a current UI handler 
> object that handles all UI requests. For example, MorphicUIHandler, 
> MVCUIHandler, RemoteUIHandler, HostWidgetUIHandler, 
> TranscripterUIHandler, or even NullUIHandler. At first these classes 
> may only handle basic UI modal functionality, ultimately, they would 
> have a protocol that handles all UI creation and binding > functionality.
>
> From my point of view, either approach is a reasonable way of 
> decoupling model requests for information from the UI layer.
>
> My preference is the second option. As a rule,  I try to avoid 
> exceptions if a simple delegation removes the need. I also prefer a 
> more intention revealing approach of code that talks to the current UI 
> handler who in turn activates the method appropriate for the current 
> UI. This is more direct and efficient as an implementation and 
> significantly easier for the reader to follow as a sequence of > control.
>
> With regard to the immediate test issue, option one only requires the 
> catching of the notification, option two requires a custom UI handler 
> that admits to interception of UI requests. (This could lead to a UI 
> handler that serves as a UI test fixture.)
>
> :-}> John Sarkela
>
>
> On Tuesday, June 10, 2003, at 08:28 AM, Markus Gaelli wrote:
>
>> Hi,
>>
>> Adrian and me are doing a little pair-programming for the 
>> Squeak-Testserver
>> right now, and stumbled over the following:
>>
>> How can we suppress modal PopupMenus or similar dialogs, when we
>> automatically want to build the newest version of the Squeak-Image?
>> For example, the newest update gave as a
>>
>> PopupMenu inform: ' self inform: 'The SqueakMap package catalog 
>> system will now be
>> installed in the image.  To access SqueakMap, select ''open...''
>> from the World menu, then ''Package Loader'' from the submenu.'
>>
>> which is not good, when we _automatically_ want to integrate the 
>> newest code.
>>
>> What is the best way to circumvent that?
>> Do we have to overwrite each possible information-method, while 
>> uploading things?
>>
>> Thanks in advance,
>>
>> Markus and Adrian
>>
>
>