Review Request: VcsEventWidget: Fetch only the last n events from the history, request earlier ones as needed

Milian Wolff mail at milianw.de
Tue May 4 21:08:54 UTC 2010


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what happened to this one?

- Milian


On 2010-01-17 13:16:28, Fabian Wiesel wrote:
> 
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> http://reviewboard.kde.org/r/2638/
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> 
> (Updated 2010-01-17 13:16:28)
> 
> 
> Review request for KDevelop and Andreas Pakulat.
> 
> 
> Summary
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> 
> VcsEventModel now has a IBasicVersionControl, so that it can fetch the events as they are requested by the view.
> While it now supports the canFetchMore()/fetchMore() interface of QAbstractItemModel, further elements would
> only be requested, if the bottom has been reached.
> To hide the latency of fetching further events, they are internally prefetched, when a low watermark is reached.
> The fields of the elements, which are currently fetched are returned by the model as "Loading...", so that the user
> gets a feedback, that those fields are not yet available.
> 
> It relies on the following properties, which are not specified by the IBasicVersionControl::log() in that way,
> but happens to be the case with the svn-plugin and (after that patch to DVcsJob) the hg-plugin.
> - log() returns _at least_ "limit" events, or there are fewer events left than requested. This is required,
>    so that the model can answer canFetchMore() correctly, requires only an update of the specification of log().
> - finished() is fired _after_ resultsReady() (patch toDVcsJob)
> 
> VcsEventWidget also works directly with IBasicVersionControl, instead indirectly by getting it from the job.
> 
> Finally, only indirectly related, some const correctess in VcsEvent.
> 
> 
> Diffs
> -----
> 
>   /trunk/extragear/sdk/kdevplatform/vcs/dvcs/dvcsjob.cpp 1075986 
>   /trunk/extragear/sdk/kdevplatform/vcs/models/vcseventmodel.h 1075986 
>   /trunk/extragear/sdk/kdevplatform/vcs/models/vcseventmodel.cpp 1075986 
>   /trunk/extragear/sdk/kdevplatform/vcs/vcsevent.h 1075986 
>   /trunk/extragear/sdk/kdevplatform/vcs/vcsevent.cpp 1075986 
>   /trunk/extragear/sdk/kdevplatform/vcs/vcspluginhelper.cpp 1075986 
>   /trunk/extragear/sdk/kdevplatform/vcs/widgets/vcseventwidget.h 1075986 
>   /trunk/extragear/sdk/kdevplatform/vcs/widgets/vcseventwidget.cpp 1075986 
> 
> Diff: http://reviewboard.kde.org/r/2638/diff
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Fabian
> 
>





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