Auto-Saving implemented in r16227 (to become 2.1.5) - Feedback wanted

[Derek Atkins]

Unfortunately "Save As" repoints the current active datafile, so
hooking into there would change your datafile out from under you.
So, no, we can't use that functionality directly.

-derek

Quoting Beth Leonard <beth at oasis.slimy.com>:

> On Tue, Jul 03, 2007 at 01:50:30PM -0400, Derek Atkins wrote:
>> Unfortunately the way GnuCash/QOF works makes this sort of autosave
>> process very difficult to implement.  QOF tries to make it's data look
>> like a "database", not a "data file", so it really does abstract out
>> these things.
>
> Gnucash does have a "save as..." menu item.  Is it possible for the
> autosave to hook into that set of calls, insead of the save in order
> to implement the logic Eric outlines below?  I do like that logic for
> auto-save functionality.  If this is difficult, allowing
> the user to turn off auto-save is sufficient.
> --Beth
>
>> "Eric Ladner" <eric.ladner at gmail.com> writes:
>>
>> > Kind of like how 'vi' does it too.   Here's the rough logic...
>> >
>> > (on startup)
>> > if (alternate file exists)
>> >   // something went wrong..  prompt user for option of reloading saved
>> > checkpoint
>> >   if (user says yes)
>> >      load checkpoint
>> >   else
>> >      delete file
>> >
>> > (timed) save to alternate file
>> > if (user saves file)
>> >    delete checkpoint
>> >
>> > (on exit)
>> > if (not saved)
>> >    prompt user to save
>> >    if (user says yes)
>> >        save file
>> > delete checkpoint
>> >
>> > That way, you're not saving over the "official" data file, but 
>> saving to an
>> > alternate file that always has the same name (<account>.ckpt" 
>> maybe).  When
>> > loading account <account>, if a checkpoint exists, something bad happened
>> > and you can restore to that checkpoint, or just load the original file
>> > (rollback all the way to last session).
>>
>> -derek
>>
>> --
>>        Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
>>        Member, MIT Student Information Processing Board  (SIPB)
>>        URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
>>        warlord at MIT.EDU                        PGP key available
>> _______________________________________________
>> gnucash-devel mailing list
>> gnucash-devel at gnucash.org
>> https://lists.gnucash.org/mailman/listinfo/gnucash-devel
>
> --
> Beth Leonard
> http://www.LeonardFamilyVideos.com
>



-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord at MIT.EDU                        PGP key available