[NTG-context] List of Formulas

Hans Hagen pragma at wxs.nl
Wed May 10 09:28:38 CEST 2006


nico wrote:
> On Tue, 09 May 2006 23:38:47 +0200, Hans Hagen <pragma at wxs.nl> wrote:
>
>   
>> nico wrote:
>>     
>>> Hello,
>>>
>>> Is it possible to display a list of the numbered formulas (done with
>>> \placeformula)? I tried \placelist[formula] without success.
>>>
>>>       
>> you want to see the formulas too?
>>     
>
> Well, no, i just wanted a list, like a list of tables, figures, or  
> enumerations, with the pages where they appear. But ok, since it is not  
> available by default, i can put each formula in a specific Equation  
> enumeration an then do a \placelist[enumeration:Equation].
>   
well, it takes only a few lines to have lists of formulas; you can then typeset the lists the way you want 


\unprotect

\def\dododoformulanumber#1#2#3#4% 
   \ifconditional\handleformulanumber
     \ifconditional\incrementformulanumber
       \incrementnumber[\v!formula]%
     \fi
     \makesectionnumber[\v!formula]%
     \setbox0\hbox{\ignorespaces#2\unskip}%
     \ifdim\wd0>\zeropoint
       \edef\hetsubnummer{#2}%
     \else
       \let\hetsubnummer\empty
     \fi
     \doifsomething{#1}
{\rawreference{\s!for}{#1}{\composedsectionnumber\hetsubnummer}}%
     \setbox0\hbox{\ignorespaces#4\unskip}%
     \ifdim\wd0>\zeropoint
       \edef\hetsubnummer{#4}%
     \fi
     \doifsomething{#3}
{\rawreference\s!for{#3}{\composedsectionnumber\hetsubnummer}}%
     \rm % nodig ?
     \doif{\formulaparameter\c!location}
\v!right{\hskip\formuladistance}%
     \@@fmnumbercommand
       {\dostartattributes\??fm\c!numberstyle\c!numbercolor
        \strut
        \@@fmleft
        \preparethenumber\??fm\composedsectionnumber\preparednumber
\doflushformulalistentry{\composedsectionnumber\hetsubnummer}%
        \labeltexts\v!formula
          {\ignorespaces\preparednumber
\ignorespaces\hetsubnummer\unskip}%
        \@@fmright
        \dostopattributes}%
      \doif{\formulaparameter\c!location}
\v!left{\hskip\formuladistance}%
   \fi
   \egroup}

% new: 

\definelist[\v!formula]

\global\let\doflushformulalistentry\gobbleoneargument

\def\placenamedformula[#1]#2%
  {\gdef\doflushformulalistentry##1%
     {\expanded{\writetolist[\v!formula]{##1}}{#2}%
      \global\let\doflushformulalistentry\gobbleoneargument}%
   \placeformula[#1]}


\starttext

\placelist[formula][criterium=text]

\placenamedformula[x]{oeps}
\startformula
a = 1
\stopformula

\placeformula
\startformula
a = 2
\stopformula

\placenamedformula[y]{more oeps}
\startformula
a = 3
\stopformula

\stoptext


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