[Testing] Need information about the functionality of a feature in Image Viewer Activity

[Frederick Grose]

Thank you James for being so illuminating!

On Fri, Sep 3, 2010 at 2:36 AM, James Cameron <quozl at laptop.org> wrote:

> G'day,
>
> The list box that you describe is called the Object Chooser, and is a
> standard part of Sugar.  You will also see it if you start the Read
> activity.  Any future activity might use it.  In a quick check, the
> activities that I know use it are Browse, ImageViewer, Jukebox,
> Memorize, Paint, Read, TurtleArt and Write.
>
> The Object Chooser displays the objects in the journal, or on an
> external medium such as a USB drive.  It is like a file selection dialog
> box.
>
> A new feature in Sugar 0.84 is that the Object Chooser can be restricted
> to specific object types [1].  The Image Viewer activity provides to the
> Object Chooser a filter specification [2] for image type objects.
> Therefore, by default, only the image type objects will be displayed.
> This uses an Internet standard called MIME [3].
>
> So your question is better framed more generally as "In the object
> chooser, should the child be restricted to only the MIME types that the
> activity can process?"
>
> My opinion is that this is a design choice, not a defect.  Leading the
> child into a mistake (trying to open a text file in an image viewer) is
> a useful learning tool.  If you wish to discuss it further, may I
> suggest writing to the design team at Sugar Labs?  I'm not on the design
> team.
>
> I've checked the many bugs in http://bugs.sugarlabs.org/ for references
> to the Object Chooser.  Only one is open and seems to relate, slightly,
> which is SL#834 "Let activity use its own MIME type in ObjectChooser" [4].
>
> (As a separate issue, there is no result of selecting a text object.
> Image Viewer does not do anything.  I think it at least should say that
> it cannot load text.)
>
> By the way, you can take a screenshot using Alt/1, and use that in
> explaining a problem.
>
> References:
>
> 1.  http://wiki.sugarlabs.org/go/0.84/Notes#Journal "The Object Chooser
> can now be filtered by data type"
>
> 2.
> http://git.sugarlabs.org/projects/imageviewer/repos/mainline/blobs/master/ImageViewerActivity.py#line254
>
> 3.  http://en.wikipedia.org/wiki/MIME
>
> 4.  http://bugs.sugarlabs.org/ticket/834
>
> On Thu, Sep 02, 2010 at 10:47:41PM -0700, shiyam jannan wrote:
> > There is a list box to choose a file when starting to open a new
> > object to view from Image Viewer activity. The list box contains
> > -Anything
> > -List of favorite activities
>
> Actually, that's the list of used activities for which journal objects
> exist.
>
> > -Text
> > -Image
> > -Audio
> > -Video
> > -Link
> >
> > Eventhough the listbox successfully filters files in the journal, only
> > image files can be viewed by Image Viewer. Is it necessary to have
> > other filters?  Is that a defect?
>
> No, and no.
>
> --
> James Cameron
> http://quozl.linux.org.au/
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> Testing at lists.laptop.org
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>
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