#14104: Implement an interface for displaying objects in HTML from the command
line
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Reporter: andrew.mathas | Owner: andrew.mathas
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.8
Component: user interface | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: Andrew Mathas | Merged in:
Dependencies: | Stopgaps:
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Comment (by andrew.mathas):
Replying to [comment:6 was]:
> Replying to [comment:4 andrew.mathas]:
> > Replying to [comment:3 was]:
> > > There is a similar command "html.table" in sage already. I was
recently reading it since I guess I have to rewrite it for salvus... and I
didn't like it. Could your code somehow address the existence of that
code? (This could be for another ticket, of course.)
> > >
> > > IN the sage notebook now putting '<html>...</html>" in output makes
it display as html.
> > > In salvus there is a completely different way of doing this, which
involves sending messages... From a code point of view there is a function
"html", which does the right thing for any notebook client.
> >
> > As I understand it, html.table is intended to be used from the
notebook whereas this command is aimed at the command line. Also
html.table seems to only take lists whereas my motivation for writing this
was to display ''labelled'' tables/matrices. I'm not really sure what you
mean by "addressing the existence" of html.table, but the code could (and
possibly should) be made to work together.
> >
>
> Sorry, I wrote that in a hurry during a talk.
>
> I mean, e.g., you could replace html.table by a much shorter function
that (1) calls your code to generate html, then (2) calls the html(...)
function to display it in a notebook.
>
> > My patch provides a few classes for interactively constructing a web
page, section by section, using the format of the sage documentation.
Currently it only has hooks for displaying tables, because this is what I
care about at the moment, but I have tried to make the framework easily
extendible. In addition to displaying data pages on the fly, my plan is to
use it for displaying databases -- such as, for example, all of the
decomposition matrices for the symmetric groups in a fixed characteristic
for n\le 30.
> >
> > Inside the notebook I could just output a string '<html>...</html>'
for the notebook
>
> Please call the function sage.misc.html.html instead. It just wraps the
output in '<html>...</html>' by default, but for other notebook
environments (e.g., Salvus), I can replace it by a function that sends the
right JSON message.
>
> > to interpret -- although, for this to work the links would need to be
updated and some of the formatting stripped out. This would be easy to do
provided that there is a way for sage to determine whether or not it is
running inside the notebook -- I'm afraid that I don't know much about the
notebook:)
>
> There is a "lame" way to check:
>
> {{{
> sage: sage.plot.plot.EMBEDDED_MODE
> False # not running in notebook -- if true, is running in notebook
> }}}
>
> >
> > The main reason that I wrote this is because I to be able to scroll
the entries of a table whilst keeping its column and row headers fixed.
Via some open source javascript, I have the scrolling feature working
although I'm not happy with the output yet -- in the next day or so I will
add examples to the patch which illustrates this, but first I need to
rearrange my code a little since my current examples depend on the patches
#14103, #13605 and some other code not yet on trac.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14104#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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