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How do I make conditions based on list options?

Enumerate and itemize undefined + captions not workingaligning a multiline formula with the bullet of itemizehow to add conditions inside itemize list?How do I declare and pass conditions to commands?Line break after description labelInterrupted list formatting optionsHow can I make condition inside the geometry options?Print newpage under certain conditionsHow to make the fontsize of list of table smaller?How do conveniently control where description text starts?

1

Specifically, I need to write a command which changes its behavior if the option wide is turned on... So I need some kind of condition

if wide is on then do this, else do that. 

Can somebody point out how to do such condition in TeX ?

Pseudocode:

documentclass{article}

usepackage{enumitem}



begin{document}

begin{itemize}[wide]

item

if@wide do "print{this list is wide} and change rightmargin to 3cm"

else do "print{this list is not wide} and change rightmargin to 2cm"

fi

end{itemize}

end{document} 

lists conditionals

share|improve this question

edited 8 hours ago

Lust_For_Love

asked 8 hours ago

Lust_For_LoveLust_For_Love

53422 silver badges1919 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The wide option doesn't activate a different branch of code, it just changes some internal parameters of enumitem. It's easy to make the code detect if the option was used, but I think you won't get anything useful here. What exactly do you want to achieve with that?
  
  – Phelype Oleinik
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @PhelypeOleinik I need to change some lengths and variables based on if this option is on.
  
  – Lust_For_Love
  8 hours ago
  

  
  
  
  

add a comment | 

1

Specifically, I need to write a command which changes its behavior if the option wide is turned on... So I need some kind of condition

if wide is on then do this, else do that. 

Can somebody point out how to do such condition in TeX ?

Pseudocode:

documentclass{article}

usepackage{enumitem}



begin{document}

begin{itemize}[wide]

item

if@wide do "print{this list is wide} and change rightmargin to 3cm"

else do "print{this list is not wide} and change rightmargin to 2cm"

fi

end{itemize}

end{document} 

lists conditionals

share|improve this question

edited 8 hours ago

Lust_For_Love

asked 8 hours ago

Lust_For_LoveLust_For_Love

53422 silver badges1919 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  The wide option doesn't activate a different branch of code, it just changes some internal parameters of enumitem. It's easy to make the code detect if the option was used, but I think you won't get anything useful here. What exactly do you want to achieve with that?
  
  – Phelype Oleinik
  8 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @PhelypeOleinik I need to change some lengths and variables based on if this option is on.
  
  – Lust_For_Love
  8 hours ago
  

  
  
  
  

add a comment | 

Specifically, I need to write a command which changes its behavior if the option wide is turned on... So I need some kind of condition

if wide is on then do this, else do that. 

Can somebody point out how to do such condition in TeX ?

Pseudocode:

documentclass{article}

usepackage{enumitem}



begin{document}

begin{itemize}[wide]

item

if@wide do "print{this list is wide} and change rightmargin to 3cm"

else do "print{this list is not wide} and change rightmargin to 2cm"

fi

end{itemize}

end{document} 

lists conditionals

share|improve this question

edited 8 hours ago

Lust_For_Love

asked 8 hours ago

Lust_For_LoveLust_For_Love

53422 silver badges1919 bronze badges

if wide is on then do this, else do that. 

documentclass{article}

usepackage{enumitem}



begin{document}

begin{itemize}[wide]

item

if@wide do "print{this list is wide} and change rightmargin to 3cm"

else do "print{this list is not wide} and change rightmargin to 2cm"

fi

end{itemize}

end{document} 

share|improve this question

edited 8 hours ago

Lust_For_Love

asked 8 hours ago

Lust_For_LoveLust_For_Love

53422 silver badges1919 bronze badges

share|improve this question

edited 8 hours ago

Lust_For_Love

asked 8 hours ago

Lust_For_LoveLust_For_Love

53422 silver badges1919 bronze badges

asked 8 hours ago

Lust_For_LoveLust_For_Love

53422 silver badges1919 bronze badges

asked 8 hours ago

Lust_For_LoveLust_For_Love

53422 silver badges1919 bronze badges

2 Answers
2

active

oldest

votes

2

You can hook into the definition of the wide option and make your conditional true. The value of the conditional is reset after the environment.

Note also that the wide option takes an argument. If you pass none, then parindent is used (i.e., begin{itemize}[wide] is the same as begin{itemize}[wide=parindent]).

However you should not try to change enumitem's internal parameters (they are internal for a reason) in the document. You should stick to the key-value interface it provides.

Anyhow, here it is:

documentclass{article}

usepackage{enumitem}

usepackage{etoolbox}



makeatletter

newififwide

patchcmdenitkv@enumitem@wide

  {enit@align@left}% <- Search

  {widetrueenit@align@left}% <- Replace

  {}{FailedToPatch}

makeatother



begin{document}

begin{itemize}[wide]

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

begin{itemize}

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

end{document}

share|improve this answer

answered 8 hours ago

Phelype OleinikPhelype Oleinik

30.7k77 gold badges5252 silver badges105105 bronze badges

add a comment | 

1

Here is a way you could use list styles, contained in macro settings.

documentclass{article}

usepackage{enumitem,lipsum}



newenvironment{styledlist}[1][]

{expandafteritemizeexpandafter[#1]}{enditemize}



defwidelist{wide,itemindent=15pt,label=*,leftmargin=-1cm,rightmargin=-1cm}

defnarrowlist{itemindent=15pt,label=++,leftmargin=1cm,rightmargin=1cm}



begin{document}

begin{styledlist}[widelist]

item lipsum[4]

end{styledlist}



begin{styledlist}[narrowlist]

item lipsum[4]

end{styledlist}

end{document} 

share|improve this answer

edited 8 hours ago

answered 8 hours ago

Steven B. SegletesSteven B. Segletes

167k99 gold badges210210 silver badges429429 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  No, I meant... I need this condition for my other macro command. I don't want to complicate my question with those so I wrote it like that... I just need a switch which would have different behaviour based on if option is wide on or not. I need to change some variables and lengths specifically...
  
  – Lust_For_Love
  8 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Lust_For_Love See my edit, if that helps.
  
  – Steven B. Segletes
  8 hours ago
  

  
  
  
  

add a comment | 

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2

You can hook into the definition of the wide option and make your conditional true. The value of the conditional is reset after the environment.

Note also that the wide option takes an argument. If you pass none, then parindent is used (i.e., begin{itemize}[wide] is the same as begin{itemize}[wide=parindent]).

However you should not try to change enumitem's internal parameters (they are internal for a reason) in the document. You should stick to the key-value interface it provides.

Anyhow, here it is:

documentclass{article}

usepackage{enumitem}

usepackage{etoolbox}



makeatletter

newififwide

patchcmdenitkv@enumitem@wide

  {enit@align@left}% <- Search

  {widetrueenit@align@left}% <- Replace

  {}{FailedToPatch}

makeatother



begin{document}

begin{itemize}[wide]

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

begin{itemize}

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

end{document}

share|improve this answer

answered 8 hours ago

Phelype OleinikPhelype Oleinik

30.7k77 gold badges5252 silver badges105105 bronze badges

add a comment | 

2

You can hook into the definition of the wide option and make your conditional true. The value of the conditional is reset after the environment.

Note also that the wide option takes an argument. If you pass none, then parindent is used (i.e., begin{itemize}[wide] is the same as begin{itemize}[wide=parindent]).

However you should not try to change enumitem's internal parameters (they are internal for a reason) in the document. You should stick to the key-value interface it provides.

Anyhow, here it is:

documentclass{article}

usepackage{enumitem}

usepackage{etoolbox}



makeatletter

newififwide

patchcmdenitkv@enumitem@wide

  {enit@align@left}% <- Search

  {widetrueenit@align@left}% <- Replace

  {}{FailedToPatch}

makeatother



begin{document}

begin{itemize}[wide]

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

begin{itemize}

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

end{document}

share|improve this answer

answered 8 hours ago

Phelype OleinikPhelype Oleinik

30.7k77 gold badges5252 silver badges105105 bronze badges

add a comment | 

You can hook into the definition of the wide option and make your conditional true. The value of the conditional is reset after the environment.

Note also that the wide option takes an argument. If you pass none, then parindent is used (i.e., begin{itemize}[wide] is the same as begin{itemize}[wide=parindent]).

However you should not try to change enumitem's internal parameters (they are internal for a reason) in the document. You should stick to the key-value interface it provides.

Anyhow, here it is:

documentclass{article}

usepackage{enumitem}

usepackage{etoolbox}



makeatletter

newififwide

patchcmdenitkv@enumitem@wide

  {enit@align@left}% <- Search

  {widetrueenit@align@left}% <- Replace

  {}{FailedToPatch}

makeatother



begin{document}

begin{itemize}[wide]

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

begin{itemize}

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

end{document}

share|improve this answer

answered 8 hours ago

Phelype OleinikPhelype Oleinik

30.7k77 gold badges5252 silver badges105105 bronze badges

documentclass{article}

usepackage{enumitem}

usepackage{etoolbox}



makeatletter

newififwide

patchcmdenitkv@enumitem@wide

  {enit@align@left}% <- Search

  {widetrueenit@align@left}% <- Replace

  {}{FailedToPatch}

makeatother



begin{document}

begin{itemize}[wide]

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

begin{itemize}

item

ifwide texttt{wide} was used

else texttt{wide} was NOT used

fi

end{itemize}

end{document}

share|improve this answer

answered 8 hours ago

Phelype OleinikPhelype Oleinik

30.7k77 gold badges5252 silver badges105105 bronze badges

answered 8 hours ago

Phelype OleinikPhelype Oleinik

30.7k77 gold badges5252 silver badges105105 bronze badges

answered 8 hours ago

Phelype OleinikPhelype Oleinik

30.7k77 gold badges5252 silver badges105105 bronze badges

1

Here is a way you could use list styles, contained in macro settings.

documentclass{article}

usepackage{enumitem,lipsum}



newenvironment{styledlist}[1][]

{expandafteritemizeexpandafter[#1]}{enditemize}



defwidelist{wide,itemindent=15pt,label=*,leftmargin=-1cm,rightmargin=-1cm}

defnarrowlist{itemindent=15pt,label=++,leftmargin=1cm,rightmargin=1cm}



begin{document}

begin{styledlist}[widelist]

item lipsum[4]

end{styledlist}



begin{styledlist}[narrowlist]

item lipsum[4]

end{styledlist}

end{document} 

share|improve this answer

edited 8 hours ago

answered 8 hours ago

Steven B. SegletesSteven B. Segletes

167k99 gold badges210210 silver badges429429 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  No, I meant... I need this condition for my other macro command. I don't want to complicate my question with those so I wrote it like that... I just need a switch which would have different behaviour based on if option is wide on or not. I need to change some variables and lengths specifically...
  
  – Lust_For_Love
  8 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Lust_For_Love See my edit, if that helps.
  
  – Steven B. Segletes
  8 hours ago
  

  
  
  
  

add a comment | 

1

Here is a way you could use list styles, contained in macro settings.

documentclass{article}

usepackage{enumitem,lipsum}



newenvironment{styledlist}[1][]

{expandafteritemizeexpandafter[#1]}{enditemize}



defwidelist{wide,itemindent=15pt,label=*,leftmargin=-1cm,rightmargin=-1cm}

defnarrowlist{itemindent=15pt,label=++,leftmargin=1cm,rightmargin=1cm}



begin{document}

begin{styledlist}[widelist]

item lipsum[4]

end{styledlist}



begin{styledlist}[narrowlist]

item lipsum[4]

end{styledlist}

end{document} 

share|improve this answer

edited 8 hours ago

answered 8 hours ago

Steven B. SegletesSteven B. Segletes

167k99 gold badges210210 silver badges429429 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  No, I meant... I need this condition for my other macro command. I don't want to complicate my question with those so I wrote it like that... I just need a switch which would have different behaviour based on if option is wide on or not. I need to change some variables and lengths specifically...
  
  – Lust_For_Love
  8 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Lust_For_Love See my edit, if that helps.
  
  – Steven B. Segletes
  8 hours ago
  

  
  
  
  

add a comment | 

Here is a way you could use list styles, contained in macro settings.

documentclass{article}

usepackage{enumitem,lipsum}



newenvironment{styledlist}[1][]

{expandafteritemizeexpandafter[#1]}{enditemize}



defwidelist{wide,itemindent=15pt,label=*,leftmargin=-1cm,rightmargin=-1cm}

defnarrowlist{itemindent=15pt,label=++,leftmargin=1cm,rightmargin=1cm}



begin{document}

begin{styledlist}[widelist]

item lipsum[4]

end{styledlist}



begin{styledlist}[narrowlist]

item lipsum[4]

end{styledlist}

end{document} 

share|improve this answer

edited 8 hours ago

answered 8 hours ago

Steven B. SegletesSteven B. Segletes

167k99 gold badges210210 silver badges429429 bronze badges

documentclass{article}

usepackage{enumitem,lipsum}



newenvironment{styledlist}[1][]

{expandafteritemizeexpandafter[#1]}{enditemize}



defwidelist{wide,itemindent=15pt,label=*,leftmargin=-1cm,rightmargin=-1cm}

defnarrowlist{itemindent=15pt,label=++,leftmargin=1cm,rightmargin=1cm}



begin{document}

begin{styledlist}[widelist]

item lipsum[4]

end{styledlist}



begin{styledlist}[narrowlist]

item lipsum[4]

end{styledlist}

end{document} 

share|improve this answer

edited 8 hours ago

answered 8 hours ago

Steven B. SegletesSteven B. Segletes

167k99 gold badges210210 silver badges429429 bronze badges

answered 8 hours ago

Steven B. SegletesSteven B. Segletes

167k99 gold badges210210 silver badges429429 bronze badges

answered 8 hours ago

Steven B. SegletesSteven B. Segletes

167k99 gold badges210210 silver badges429429 bronze badges