[Sugar-devel] question about jarabe/view/palette.py

[Walter Bender]

On Mon, Jul 12, 2010 at 7:43 AM, Tomeu Vizoso <tomeu at sugarlabs.org> wrote:
> On Mon, Jul 12, 2010 at 13:27, Walter Bender <walter.bender at gmail.com> wrote:
>> I am experimenting with moving the naming alert to the Frame (as per
>> the discussion in this weekend's design meeting.) It seems the place
>> to do it is in jarabe/view/palette.py however I cannot seem to
>> properly navigate the class hierarchy. My code is pretty simple:
>>
>>    menu_item = MenuItem(_('Write to Journal'), 'journal-write')
>>        menu_item.connect('activate', self.__journal_write__cb)
>>        self.menu.append(menu_item)
>>        menu_item.show()
>>
>>    def __journal_write__cb(self, menu_item):
>>        title_alert = NamingAlert(self._home_activity, # TODO: what is what?
>>                                  self._home_activity.get_bundle_path())
>>        title_alert.set_transient_for(self.get_toplevel())
>>        title_alert.show()
>>        self.reveal()
>>
>> However self._home_activity is not an activity.
>>
>> Question: how do I find the activity from _home_activity?
>
> grep should help you find what is what (as long as we keep respecting
> the code guidelines):
>
> [tomeu at tresne sugar]$ git grep "_home_activity ="
> src/jarabe/desktop/favoritesview.py:        self._home_activity =
> self._home_model.get_active_activity()
> ...
> [tomeu at tresne sugar]$ git grep "_home_model ="
> src/jarabe/desktop/favoritesview.py:        self._home_model = shell.get_model()
> ...
> [tomeu at tresne sugar]$ git grep "import shell"
> extensions/globalkey/screenshot.py:from jarabe.model import shell
> ...
> And if you read jarabe/model/shell.py, you can see that
> get_active_activity() returns an instance of a class called "Activity"
> defined in this module.
>
> Another way of finding out the class of an instance is adding some
> prints to the code where you know this instance is being used:
>
> [tomeu at tresne sugar]$ python
>>>> from jarabe.model import shell
>>>> a = shell.Activity('', '')
>>>> print a
> <Activity object at 0x8237d4c (SugarHomeActivity at 0x84bc0d0)>
>>>> print a.__module__
> jarabe.model.shell
>
> You could also use pdb or ipython to inspect the state at runtime.
>
> We probably should have only one class named Activity in all Sugar,
> but given Python's dynamicness you need to find out the class either
> by inspecting at runtime or by analysing the source code.
>
> Regards,
>
> Tomeu
>

Thanks Tomeu.

I've attached a screen dump to show what I am trying accomplish. As
per our conversation in IRC, since I cannot access the gtk.Window from
the shell, I'll have to modify the namingalert to directly access the
datastore -- a more invasive change than I had anticipated. Stay
tuned.

regards.

-walter


>> -walter
>>
>> --
>> Walter Bender
>> Sugar Labs
>> http://www.sugarlabs.org
>> _______________________________________________
>> Sugar-devel mailing list
>> Sugar-devel at lists.sugarlabs.org
>> http://lists.sugarlabs.org/listinfo/sugar-devel
>>
>



-- 
Walter Bender
Sugar Labs
http://www.sugarlabs.org
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