[Sugar-devel] Some questions concerning saving methods on sugar

[Tomeu Vizoso]

On Fri, Sep 24, 2010 at 15:25, Walter Bender <walter.bender at gmail.com> wrote:
> On Fri, Sep 24, 2010 at 9:10 AM, Tomeu Vizoso <tomeu at sugarlabs.org> wrote:
>> On Fri, Sep 24, 2010 at 14:41, Walter Bender <walter.bender at gmail.com> wrote:
>>> On Fri, Sep 24, 2010 at 4:02 AM, Tomeu Vizoso <tomeu at sugarlabs.org> wrote:
>>>> On Thu, Sep 23, 2010 at 00:58, Alberto Arruda de Oliveira
>>>> <alberto.a.oliv at gmail.com> wrote:
>>>>> Hello,
>>>>>
>>>>> First of all, thanks for all the answers!
>>>>>
>>>>> I decided to follow your advices and implement the saving feature of my
>>>>> activity through the journal.
>>>>>
>>>>> Although it's not working perfectly yet, I hope it will be soon. I'm just
>>>>> having a little problem with the keep button. My activity creates the
>>>>> journal entry like it should when I exit through the close button, but when
>>>>> I press the keep button, it doesn't create the entry. Is there any big
>>>>> differences in how the keep and close button access the journal to save the
>>>>> state of the activity?
>>>>>
>>>>> Also, related to the sugar-emulator, sometimes, when I close it, all the
>>>>> journal entries are wiped. I suspect this is an emulator problem ( because
>>>>> not only it happened with my activity, but also with other activities ), but
>>>>> I'd like to be sure I'm not doing anything wrong!
>>>
>>> It could be that the Journal is reindexing. (For a large Journal, this
>>> sometimes has the appearance of an empty or nearly empty Journal.) If
>>> you wait for the indexing to complete, everything reappears as normal.
>>
>> But why would it be reindexing? Are people getting their journals
>> reindexed from time to time?
>
> Not sure why, but in sugar-jhbuild, where I do most of my work, it
> seems to reindex fairly often (~1 out of every 30-40 sessions
> launched). one trigger *seems to be* changing the display size, e.g.,
> if I use 1200x900 sessions for a while and then switch to 800x600, it
> will often reindex. (Likely nothing causal there.)

It could be very interesting to look at the logs of the session when
reindexing starts and also of the session just before that.

Regards,

Tomeu

> -walter
>>
>> Regards,
>>
>> Tomeu
>>
>>> -walter
>>>>
>>>> Haven't seen it happening myself. Can you tell us specific versions of
>>>> Sugar and any tips for reproducing it?
>>>>
>>>> Thanks,
>>>>
>>>> Tomeu
>>>>
>>>>> Thanks again,
>>>>>
>>>>> Alberto Arruda de Oliveira
>>>>>
>>>>> 2010/9/20 Alberto Arruda de Oliveira <alberto.a.oliv at gmail.com>
>>>>>>
>>>>>> Hello,
>>>>>>
>>>>>> I've been adapting an application to use as an activity, and I have some
>>>>>> questions about the way to save on sugar.
>>>>>>
>>>>>> At first, I tried to just create a directory inside my Activity folder
>>>>>> especially made for saving files, but it did not work, because of the access
>>>>>> permissions to it, and, although we could simply manually change the folder
>>>>>> permission for writing on that folder, we would have to do it for every
>>>>>> single OLPC we installed our activity into and we didn't want that.
>>>>>>
>>>>>> Then, we started trying with the journal. Everything was going fine, until
>>>>>> we discovered that another sugar activity, Scratch, implemented saving and
>>>>>> loading on a similar fashion we previously wanted. It has a folder inside
>>>>>> it's Activity directory with subdirectories related to each kind of Scratch
>>>>>> project. Also, Scratch's Activity directory has the same access permission
>>>>>> as any other sugar Activity installed.
>>>>>>
>>>>>> So, my question is, does anyone knows how Scratch implements it's save /
>>>>>> loading method? is there any guide explaining how to do it without using the
>>>>>> journal? Keep in mind that we do know that there are other directories we
>>>>>> could use to save our files, but we would like to use our Activity directory
>>>>>> if possible.
>>>>>>
>>>>>> Thanks in advance ( and sorry for any english mistakes :] ),
>>>>>>
>>>>>> Alberto Arruda de Oliveira
>>>>>
>>>>>
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>>>>>
>>>>>
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>>>
>>>
>>>
>>> --
>>> Walter Bender
>>> Sugar Labs
>>> http://www.sugarlabs.org
>>>
>>
>
>
>
> --
> Walter Bender
> Sugar Labs
> http://www.sugarlabs.org
>