At this point its increasingly unclear if you really need wikiCalc, or
just some inline scripting. You can patch it by adding some code to
the wikiCalc expression like this:
Your grade is <<wikiCalc "try{MANS.gradeMe(%0);}catch(e){'No such
student';}" [[Student::John]] >>
HTH
Mark
On Dec 10, 2:28 pm, Måns <[email protected]> wrote:
> Eric - did you graduate from Hoggy Warty Hogwarts?
> You just convinced me that the ECTS-scale doesn't fullfill it's
> purpose when a true Wizards magic is involved :-)
> (However scope was already blown by Mike's witchcraft.. )
>
> I wonder how I can get a default message when there are no field to
> fetch?
> Is something like: g<0?'No grade to calculate yet'
> possible?
>
> regards Måns Mårtensson
>
> On 10 Dec., 22:38, Eric Shulman <[email protected]> wrote:
>
> > > I wouldn't try to shovel that into an evaluated expression. Instead,
> > > create your own library tiddler, like MANS_Library, and tag it
> > > systemConfig. Put this in it:
>
> > To generate conditional output based on simple scripting logic, you
> > can use
> > http://www.TiddlyTools.com/#InlineJavascriptPlugin
>
> > Any text returned by the script is *automatically wikified* into the
> > displayed tiddler content.
>
> > <script>
> > var grade=store.getTiddlerText("Students::JohnSmith");
> > if(g<25) return "F";
> > if(g<37) return "Fx";
> > if(g<48) return "E";
> > if(g<59) return "D";
> > if(g<66) return "C";
> > if(g<71) return "B";
> > return "A";
> > </script>
>
> > Note: You *can* use a conditional expression to write this more
> > compactly:
>
> > <script>
> > var g=store.getTiddlerText("Students::JohnSmith");
> > return g<25?'F' : g<37?'Fx' : g<48?'E' : g<59?'D' : g<66?'C' :
> > g<71?'B' : 'A';
> > </script>
>
> > enjoy,
> > -e
>
>
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