[Sugar-devel] Multi selection in the Journal feature

[Martin Abente]

Landed, thanks to everyone who contributed to this.

On Fri, Jul 19, 2013 at 11:02 AM, Gonzalo Odiard <gonzalo at laptop.org> wrote:

> Thanks to all the reviews.
> New pull request is available
>
> https://github.com/sugarlabs/sugar/pull/64
>
> Gonzalo
>
>
> On Wed, Jul 17, 2013 at 6:42 PM, Gonzalo Odiard <gonzalo at laptop.org>wrote:
>
>> A initial version to review of the feature is available to test and
>> review.
>>
>> The pull requests are:
>>
>> sugar-datastore: https://github.com/sugarlabs/sugar-datastore/pull/2
>> sugar-artwork: https://github.com/sugarlabs/sugar-artwork/pull/7
>> sugar: https://github.com/sugarlabs/sugar/pull/62
>>
>> This work is based on previous implementations, but is different in many
>> ways.
>>
>> In particular, the previous implementation had a performance problem,
>> when the user wanted to select all the ellements in the journal.
>> As the datastore is designed to return the data paginated,
>> the journal needed to do several queries to get all the uids needed
>> to create the list of selected items.
>> This problem is solved adding a method to the datastore to get the uids
>> belonging to a query. As the datastore get that information from the
>> index,
>> the query is really fast.
>>
>> Other visible change is the use of real checkboxes in the listview,
>> instead of icons
>> with a checkbox drawn. In a desktop, the checkbox is not displayed right,
>> but in the xo is ok.
>> Surely something we need solve in the theme.
>>
>> Another difference in behavior is now the user can interrupt a operation
>> while is running.
>> If you realize you started to delete all the objects in a pen drive, you
>> can stop it,
>> and at least part will be saved.
>>
>> Gonzalo
>>
>>
>
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