olivier Turlier wrote:
Hi everybody,
I wish to set up kind of a learning path (= pedagogic progression
bar, like in http://www.dokeos.com/scorm_compliant_course_content.php)
/.../
Sorry for not being clear enough.
learning path is an acronym I've found while using Dokeos elearning
platform, as an equivalent to a course i guess. For creating a
course/learning path you assemble differents documents in a l.p.. When
the alumni/trainee reads this course, he will be able what he have to
read next after the fisrt doc, and so on. I've made a graphic capture of
the webpage for showing what elements are making a learning path in the
Dokeos vision : list of doc allready readen, docs to read, progression
bar, plus the breadcrumb trail;
for lists of already learnt documents: you can make a list of
chapters/sections/subsections somewhere on the page if you have enough
place. If you would like to get the chapter/section/subsection name,
you can get them with something like
\getmarking[chapter] $$ \getmarking[section] $$ \getmarking[subsection]
Perhaps some ifs are missing to check if a section/subsection is
defined, but someone else has to help you with it.
i don't want to put so much stuff in the pdfs made wit Context(apart
putting an A4 text on an A3 page!) because i keep a printable A4 format
for my courses, even i there interaction in it, for screen usage.
I'm not sure if I understood it properly, but if you need two
different versions of your documents with the same content, but
different layout, you can use modes
(http://wiki.contextgarden.net/Modes).
So i wish to have only vertical progression bars + percentage in the
inner margin. s-pre-01 original style show a bottom interaction bar
filled with pagenumbers drawn as little rectangles. Maybe it's possible
to draw a continuous bar with metapost, but for percentage ?
Ideally, i wish to have 2 progression bars : one for project progression
and second for product prog.
How would you calculate the project progression? The example below
calculates the percentage out of the number of pages in the current
document.
Here's an example how to make an extremely simple and ugly progression
bar at the bottom of the page. Take a look into the .mp file produced.
You'll find many other variables thay you may use to position your
progression bar properly.
\defineoverlay
[ProgressBar A]
[\useMPgraphic{ProgressBarA}]
\setupbackgrounds
[text]
[background={ProgressBar A}]
\startuseMPgraphic{ProgressBarA}
barW = 5cm;
barH = .7cm;
StartPage;
fill unitsquare xyscaled(barW*(PageNumber/NOfPages),barH)
withcolor .625red;
draw unitsquare xyscaled(barW,barH);
label.rt(textext($ decimal(round(100*PageNumber/NOfPages))
\,\%$), (barW,.5barH));
currentpicture := currentpicture shifted
(LeftMarginWidth+LeftMarginDistance,2cm);
StopPage;
\stopuseMPgraphic
\starttext
first page\page
second page\page
third page
\stoptext
I would suggest you to get familiar with metapost/metafun (learning
metapost by doing, the metapost manual, metafun manual, ...) if
you aren't yet. It's a simple and great programming/drawing language
and you can do amazing things with it.
Mojca
PS: just a note. Trying to execute the code written above under MikTeX
(on the old ;) ConTeXt version, 2005.08.31) leads to distrous
results and nothing worked as expected. It claims
\loadfontfileoncetrue to be undefined command, it complains about file
endings (it doesn't create .mpx files, so the label(textext ...)
doesn't work) ... and so on. It may be that something is wrongly
configured here, but I'm glad that I'm able to use the minimal ConTeXt
distr. as an alternative when something fails under MikTeX.
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