[IPython-dev] Feasilibity of widgets/layout for mimicking this

Nicholas Bollweg nick.bollweg at gmail.com
Wed Aug 20 18:15:27 EDT 2014

Didn't see this when it was posted (and then didn't see cyrille's and
brian's posts until just now! curse you gmail!), but in the meantime,
hacked this together:

   - http://nbviewer.ipython.org/gist/anonymous/840b5cec9e19f3e39090


   - http://i.imgur.com/wP3VmWK.png

Obviously lots of room for improvement, but I think you can see you can be
very successful without writing any javacript at all.

There are some tricks: add_class and remove_class only happen to something
that is actually on the page.

As for wrapping it all: you'll end up exposing:

   - a function that returns the dialog widget
   - a function something that handles the add_remove class cleanup
      - it might be fixed in the new stuff
      - a function that will do both of the above and actually call
      - this should also return the widget, in case people want custom
      handlers, I guess?

As Brian says, though: really some great stuff coming up!

On Wed, Aug 20, 2014 at 4:15 AM, Cyrille Rossant <cyrille.rossant at gmail.com>

> Hi Adam,
> I'll do a tutorial about IPython widgets at EuroSciPy in a week [1].
> I'm notably planning to demonstrate how to build, in the notebook, a
> GUI like the one you showed. I'll put here the link to the GitHub repo
> when everything's ready.
> Best,
> Cyrille
> [1] https://www.euroscipy.org/2014/schedule/presentation/60/
> 2014-08-17 19:54 GMT+02:00 hugadams <hughesadam87 at gmail.com>:
> > (Please disregard if doublepost; having some subscription issues)
> >
> > Hello,
> >
> > We are developing a spectroscopy library and want to put in some
> interactive
> > plots/utilities to make the software a bit more approachable to novices.
> > I'd really like to build the entire interactive plotting interface
> through
> > the notebook's new widget system.  My reasoning is as follows:
> >
> >    - All static plots are already matplotlib-based, so we wouldn't have
> to
> > write a seperate plotting api
> >    - Notebooks are inherently browser-ready, so sharing plots would be
> great
> >          - Is it likely that static nbviewer will eventually support
> > widgets?  Since the data is required, I figured not...
> >    - Our tutorials are already in notebooks, so we'd like to be
> consistent.
> >
> > I've watched all the videos I can find from the widgets, and think I'm
> fine
> > with the Python end; however, am finding it hard to come by lots of
> > information on controlling the layout of the widgets.  I know it's mostly
> > done in javascript, and I think the most complex view we will have will
> look
> > something like this:
> >
> > https://sites.google.com/site/shigemorita/home/2dshige
> >
> > How much time would you estimate a javascript novice ought to spend on
> > getting something like that in the notebook?  Can anyone share tutorials
> for
> > the layout portion of the widget API?  Any information is helpful.
> Lastly,
> > does anyone have any hacky ideas of how to bury the source code so that
> the
> > widgets merely display, rather than the user copy/pasting the widget
> source
> > into a cell?
> >
> > Thanks
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