Difference between revisions of "Paragraph Enumeration"

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This code was proposed by Taco to the list:
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== Standard Paragraph Numbering ==
<texcode>
 
  
 +
ConTeXt has a built-in mechanism for paragraph numbering, which places numbers in the margin.  This is accessed with {{cmd|setupparagraphnumbering}}.
 +
 +
The mechanism numbers ‘TeX paragraphs’, so a formula or an itemization item will get its own number. For ‘block of thought’ paragraphs that can contain multiple TeX paragraphs, see the {{module|pararef}} module described at [[Paragraph Referencing]].
 +
 +
<context source="yes">
 +
\setuppapersize[A5]
 +
\starttext
 +
Some text in an unnumbered paragraph before the paragraph numbering starts.
 +
 +
\setupparagraphnumbering[state=start,style=italic,distance=0pt]
 +
This is the first numbered paragraph; it's short.
 +
 +
This is another numbered paragraph.  It's long enough to wrap around onto
 +
more than one line, so as to show that these are paragraph numbers and not
 +
line numbers.
 +
 +
\startitemize[packed]
 +
    \item an
 +
    \item itemization
 +
\stopitemize
 +
 +
A third numbered paragraph.
 +
\setupparagraphnumbering[state=stop]
 +
 +
And, finally, an unnumbered paragraph after the paragraph numbering.
 +
\stoptext
 +
</context>
 +
 +
 +
== Paragraph Numbering in the Text ==
 +
 +
An alternate way of numbering paragraphs is to place the numbers in the running text, rather than in the margin.  ConTeXt doesn't have a built-in way to do this, but it's not difficult to add a method using the {{cmd|everypar}} macro.  The following code was proposed by Taco on the mailing list.
 +
 +
<context source="yes" text="This produces the following result:">
 +
\setuppapersize[A6]
 
\newcounter\Paracount
 
\newcounter\Paracount
 
\setcounter\Paracount1
 
\setcounter\Paracount1
 
 
\def\Paragraphnumber%
 
\def\Paragraphnumber%
 
   {\increment\Paracount  
 
   {\increment\Paracount  
 
     \Paracount.~}
 
     \Paracount.~}
 
+
\def\startParagraphNumbers%
\def\startParagraphs%
 
 
   {\par \begingroup \appendtoks \Paragraphnumber \to \everypar}
 
   {\par \begingroup \appendtoks \Paragraphnumber \to \everypar}
 
+
\def\stopParagraphNumbers%
\def\stopParagraphs%
 
 
   {\par \endgroup}
 
   {\par \endgroup}
  
 
\starttext
 
\starttext
 +
Some text in an unnumbered paragraph before the paragraph numbering starts.
  
Unnumbered text before.
+
\startParagraphNumbers
 +
This is the first numbered paragraph; it's short.
  
\startParagraphs
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This is another numbered paragraph.  It's long enough to wrap around onto
This is the first numbered paragraph.
+
more than one line, so as to show that these are paragraph numbers and not
 +
line numbers.
  
This is another paragraph. This is another
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A third numbered paragraph.
paragraph. This is another paragraph.
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\stopParagraphNumbers
\stopParagraphs
 
  
Unnambered text after.
+
And, finally, an unnumbered paragraph after the paragraph numbering.
 
\stoptext
 
\stoptext
</texcode>
+
</context>
If you're happy with numbers in the margin, this is in-built ConTeXt way, with <cmd>setupparagraphnumbering</cmd>:
+
 
<texcode>
+
== Combining Section Numbering with Paragraph Numbering and Titles ==
 +
 
 +
Idris provided [https://mailman.ntg.nl/pipermail/ntg-context/2017/089454.html a modified version] of an enumerated-paragraphs sample provided by Wolfgang. In the modified version, section numbering is combined with paragraph enumeration, with titles optional:
 +
 
 +
<context source="yes" text="The output from the previous code is:">
 +
\defineseparatorset [ParagraphNumber][.,] % no second decimal for susubparagraphs
 +
% \defineseparatorset [ParagraphNumber][.,.] % second decimal for susubparagraphs
 +
 +
\definecounter[ParagraphNumber][numberseparatorset=ParagraphNumber,criterium=all]
 +
 +
\define\ParagraphNumber
 +
  {{\bf \incrementcounter[ParagraphNumber]%
 +
  \convertedcounter[ParagraphNumber][numbersegments=1]}\quad}
 +
 +
\define\subParagraphNumber
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  {{\bf \incrementcounter[ParagraphNumber][2]%
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  \convertedcounter[ParagraphNumber][numbersegments=1:2]}\quad}
 +
 +
\define\subsubParagraphNumber
 +
  {{\bf \incrementcounter[ParagraphNumber][3]%
 +
  \convertedcounter[ParagraphNumber][numbersegments=1:3]}\quad}
 +
 
 +
\setuphead[section]
 +
  [style=\bf,
 +
    alternative=text,
 +
    criterium=all,
 +
    number=no,
 +
    textcommand=\ParagraphNumber,
 +
    insidesection=\hskip-0.49em] % adjust space after title
 +
   
 +
\setuphead[subsection]
 +
  [style=\bf,
 +
    alternative=text,
 +
    criterium=all,
 +
    number=no,
 +
    textcommand=\subParagraphNumber,
 +
    insidesection=\hskip-0.49em] % adjust space after title
 +
 
 +
\setuphead[subsubsection]
 +
  [style=\bf,
 +
    alternative=text,
 +
    criterium=all,
 +
    number=no,
 +
    textcommand=\subsubParagraphNumber,
 +
    insidesection=\hskip-0.49em] % adjust space after title
 +
 +
\setupwhitespace[line]
 +
 
\starttext
 
\starttext
\showframe
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\startsection[title={Text.}]
\setupcolors[state=start]
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\input ward
\setupparagraphnumbering[state=start,style=italic,distance=0pt]
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\startsubsection
\section{bloo}
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\input ward
\input knuth
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\startsubsubsection[title={Text.}]
\section{blah}
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\input ward
\input knuth \par
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\stopsubsubsection
\setupparagraphnumbering[state=stop]
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\stopsubsection
\input tufte \par
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\stopsection
\setupparagraphnumbering[state=start,color=red]
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\dorecurse{4}{\input tufte \par}
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\startsection
 +
\input ward
 +
\startsubsubsection
 +
\input ward
 +
\stopsubsubsection
 +
\stopsection
 
\stoptext
 
\stoptext
</texcode>
+
</context>
 +
 
 +
[[Category:Basics]]

Revision as of 15:10, 8 June 2020

Standard Paragraph Numbering

ConTeXt has a built-in mechanism for paragraph numbering, which places numbers in the margin. This is accessed with \setupparagraphnumbering.

The mechanism numbers ‘TeX paragraphs’, so a formula or an itemization item will get its own number. For ‘block of thought’ paragraphs that can contain multiple TeX paragraphs, see the t-pararef module described at Paragraph Referencing.

\setuppapersize[A5]
\starttext
Some text in an unnumbered paragraph before the paragraph numbering starts.

\setupparagraphnumbering[state=start,style=italic,distance=0pt]
This is the first numbered paragraph; it's short.

This is another numbered paragraph.  It's long enough to wrap around onto
more than one line, so as to show that these are paragraph numbers and not
line numbers.

\startitemize[packed]
    \item an
    \item itemization
\stopitemize

A third numbered paragraph.
\setupparagraphnumbering[state=stop]

And, finally, an unnumbered paragraph after the paragraph numbering.
\stoptext


Paragraph Numbering in the Text

An alternate way of numbering paragraphs is to place the numbers in the running text, rather than in the margin. ConTeXt doesn't have a built-in way to do this, but it's not difficult to add a method using the \everypar macro. The following code was proposed by Taco on the mailing list.

\setuppapersize[A6]
\newcounter\Paracount
\setcounter\Paracount1
\def\Paragraphnumber%
   {\increment\Paracount 
    \Paracount.~}
\def\startParagraphNumbers%
   {\par \begingroup \appendtoks \Paragraphnumber \to \everypar}
\def\stopParagraphNumbers%
   {\par \endgroup}

\starttext
Some text in an unnumbered paragraph before the paragraph numbering starts.

\startParagraphNumbers
This is the first numbered paragraph; it's short.

This is another numbered paragraph.  It's long enough to wrap around onto
more than one line, so as to show that these are paragraph numbers and not
line numbers.

A third numbered paragraph.
\stopParagraphNumbers

And, finally, an unnumbered paragraph after the paragraph numbering.
\stoptext

This produces the following result:

Combining Section Numbering with Paragraph Numbering and Titles

Idris provided a modified version of an enumerated-paragraphs sample provided by Wolfgang. In the modified version, section numbering is combined with paragraph enumeration, with titles optional:

\defineseparatorset [ParagraphNumber][.,] % no second decimal for susubparagraphs
% \defineseparatorset [ParagraphNumber][.,.] % second decimal for susubparagraphs
 
\definecounter[ParagraphNumber][numberseparatorset=ParagraphNumber,criterium=all]
 
\define\ParagraphNumber
  {{\bf \incrementcounter[ParagraphNumber]%
   \convertedcounter[ParagraphNumber][numbersegments=1]}\quad}
 
\define\subParagraphNumber
  {{\bf \incrementcounter[ParagraphNumber][2]%
   \convertedcounter[ParagraphNumber][numbersegments=1:2]}\quad}
 
\define\subsubParagraphNumber
  {{\bf \incrementcounter[ParagraphNumber][3]%
   \convertedcounter[ParagraphNumber][numbersegments=1:3]}\quad}
   
\setuphead[section]
   [style=\bf,
    alternative=text,
    criterium=all,
    number=no,
    textcommand=\ParagraphNumber,
    insidesection=\hskip-0.49em] % adjust space after title
    
\setuphead[subsection]
   [style=\bf,
    alternative=text,
    criterium=all,
    number=no,
    textcommand=\subParagraphNumber,
    insidesection=\hskip-0.49em] % adjust space after title

\setuphead[subsubsection]
   [style=\bf,
    alternative=text,
    criterium=all,
    number=no,
    textcommand=\subsubParagraphNumber,
    insidesection=\hskip-0.49em] % adjust space after title 
 
\setupwhitespace[line]
 
\starttext
\startsection[title={Text.}]
\input ward
\startsubsection
\input ward
\startsubsubsection[title={Text.}]
\input ward
\stopsubsubsection
\stopsubsection
\stopsection

\startsection
\input ward
\startsubsubsection
\input ward
\stopsubsubsection
\stopsection
\stoptext

The output from the previous code is: