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Diffstat (limited to 'tex/context/base/strc-itm.mkiv')
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diff --git a/tex/context/base/strc-itm.mkiv b/tex/context/base/strc-itm.mkiv new file mode 100644 index 000000000..7207494ed --- /dev/null +++ b/tex/context/base/strc-itm.mkiv @@ -0,0 +1,1365 @@ +%D \module +%D [ file=strc-itm, +%D version=2008.10.20, +%D title=\CONTEXT\ Structure Macros, +%D subtitle=Itemgroups, +%D author=Hans Hagen, +%D date=\currentdate, +%D copyright=PRAGMA-ADE / Hans Hagen] +%C +%C This module is part of the \CONTEXT\ macro||package and is +%C therefore copyrighted by \PRAGMA. See mreadme.pdf for +%C details. + +\writestatus{loading}{ConTeXt Structure Macros / Itemgroups} + +\registerctxluafile{strc-itm}{1.001} + +\unprotect + +\newconditional\sublistitem \setfalse\sublistitem +\newconditional\symbollistitem \setfalse\symbollistitem +\newconditional\headlistitem \setfalse\headlistitem +\newconditional\introlistitem \setfalse\introlistitem +\newconditional\randomizeitems \setfalse\randomizeitems +\newconditional\autointrolistitem \setfalse\autointrolistitem +\newconditional\optimizelistitem \settrue \optimizelistitem +\newconditional\packlistitem \setfalse\packlistitem +\newconditional\paragraphlistitem \setfalse\paragraphlistitem +\newconditional\textlistitem \setfalse\textlistitem +\newconditional\firstlistitem \setfalse\firstlistitem +\newconditional\beforelistitem \setfalse\beforelistitem +\newconditional\afterlistitem \setfalse\afterlistitem +\newconditional\nowhitelistitem \setfalse\nowhitelistitem +\newconditional\joinedlistitem \setfalse\joinedwhitelistitem +\newconditional\reverselistitem \setfalse\reverselistitem +\newconditional\continuelistitems \setfalse\continuelistitems +\newconditional\fittinglistitems \setfalse\fittinglistitems +\newconditional\indentedfirstlistitem \setfalse\indentedfirstlistitem +\newconditional\inlinelistitem \setfalse\inlinelistitem + +\newcount\noflists +\newcount\currentnoflists +\newcount\noflistelements +\newcount\itemcolumndepth +\newcount\itemdepth +\newcount\maxitemdepth \maxitemdepth=6 + +\newdimen\itemgrouplistwidth +\newdimen\itemgroupaskedwidth +\newbox \itemgroupitembox + +\def\currentitemgroupcounter{itemgroup:\currentitemgroup} + +\let\currentitemlevel \!!zerocount +\let\currentitemgroup \empty +\let\currentnofitems \!!zerocount +\def\currentitemnumber {\dorawsubstructurecounter[\currentitemgroupcounter][\currentitemlevel]} +\let\currentrepeatstart \empty + +\def\dolistreference + {\iftrialtypesetting \else % no need for different treatment of \continuelistitems + \ctxlua{structure.itemgroups.register("\currentitemgroup",\number\noflistelements,"\getitemparameter\currentitemlevel\c!maxwidth")}% + \fi} + +\def\checkcurrentnofitems % we could do this at the lua end and save a call + {\edef\currentnofitems {\ctxlua{structure.itemgroups.nofitems("\currentitemgroup",\number\currentnoflists)}}% + \edef\currentitemmaxwidth{\ctxlua{structure.itemgroups.maxwidth("\currentitemgroup",\number\currentnoflists)}\scaledpoint}} + +% todo: \dodosetreference -> \dostructurecountercomponent (to be checked) + +\def\dohandleitemreference % we will make a decent number helper + {\ifx\currentitemreference \empty \else + \setnextinternalreference + \ctxlua { jobreferences.setandgetattribute("\s!full", "\referenceprefix","\currentitemreference", + { + metadata = { + kind = "item",% ? + catcodes = \the\catcodetable, + xmlroot = \ifx\currentreferencecoding\s!xml "\xmldocument" \else nil \fi, % only useful when text + }, + references = { + internal = \nextinternalreference, + section = structure.sections.currentid(), + }, + prefixdata = structure.helpers.simplify { + prefix = "\structurecounterparameter\currentitemgroupcounter\c!prefix", + separatorset = "\structurecounterparameter\currentitemgroupcounter\c!prefixseparatorset", + conversion = \!!bs\structurecounterparameter\currentitemgroupcounter\c!prefixconversion\!!es, + conversionset = "\structurecounterparameter\currentitemgroupcounter\c!prefixconversionset", + set = "\structurecounterparameter\currentitemgroupcounter\c!prefixset", + segments = "\structurecounterparameter\currentitemgroupcounter\c!prefixsegments", + % segments = "\askedprefixsegments", + connector = \!!bs\structurecounterparameter\currentitemgroupcounter\c!prefixconnector\!!es, + }, + numberdata = structure.helpers.simplify { + numbers = structure.counters.compact("\currentitemgroupcounter",nil,true), + separatorset = "\structurecounterparameter\currentitemgroupcounter\c!numberseparatorset", + conversion = "\structurecounterparameter\currentitemgroupcounter\c!numberconversion", + conversionset = "\structurecounterparameter\currentitemgroupcounter\c!numberconversionset", + % for the moment no stopper, we need to make references configurable first + % stopper = \!!bs\structurecounterparameter\currentitemgroupcounter\c!numberstopper\!!es, + segments = "\structurecounterparameter\currentitemgroupcounter\c!numbersegments", + }, + }) + }% + \xdef\currentitemattribute{\number\lastdestinationattribute}% + \begingroup\attribute\destinationattribute\currentitemattribute\kern\zeropoint\endgroup % todo + \fi} + + +% \startitemize[n,packed] +% \item test \item test \item test +% \stopitemize +% +% \startitemize[n,packed,reverse] +% \item test \item test \item test +% \stopitemize +% +% \startitemize[n,packed,reverse] \item test \item test \stopitemize +% \startitemize[continue] +% \item test \startitemize[n,packed] \item test \item test \stopitemize +% \item test +% \item test +% \stopitemize +% \startitemize[continue] \item test \stopitemize +% +% \startitemize[n,packed] \item test \item test \stopitemize +% \startitemize[continue] \item test \stopitemize +% \startitemize[continue] \item test \stopitemize + +\def\itemparameter #1#2{\csname\doitemparameter{\??op\currentitemgroup#1}#2\endcsname} +\def\itemparameterhash#1#2{\doitemparameterhash {\??op\currentitemgroup#1}#2} + + +\def\doitemparameter #1#2{\ifcsname#1#2\endcsname#1#2\else\expandafter\doitemparentparameter \csname#1\s!parent\endcsname#2\fi} +\def\doitemparameterhash#1#2{\ifcsname#1#2\endcsname #1\else\expandafter\doitemparentparameterhash\csname#1\s!parent\endcsname#2\fi} + +\def\doitemparentparameter #1#2{\ifx#1\relax\s!empty\else\doitemparameter #1#2\fi} +\def\doitemparentparameterhash#1#2{\ifx#1\relax \else\doitemparameterhash#1#2\fi} + +\def\dosetitemattributes#1#2#3% style color + {\edef\fontattributehash {\itemparameterhash#1#2}% + \edef\colorattributehash{\itemparameterhash#1#3}% + \ifx\fontattributehash \empty\else\dosetfontattribute \fontattributehash #2\fi + \ifx\colorattributehash\empty\else\dosetcolorattribute\colorattributehash#3\fi} + +\def\setitemparameter #1#2{\@EA \def\csname\??op\currentitemgroup#1#2\endcsname} % #3 -> {#3} +\def\esetitemparameter#1#2{\@EA\edef\csname\??op\currentitemgroup#1#2\endcsname} % #3 -> {#3} +\def\xsetitemparameter#1#2{\@EA\xdef\csname\??op\currentitemgroup#1#2\endcsname} % #3 -> {#3} +\def\letitemparameter #1#2{\@EA \let\csname\??op\currentitemgroup#1#2\endcsname} +\let\getitemparameter \itemparameter + +\def\@@globalitemsymbol #1{\??op\currentitemgroup\c!symbol\s!global#1} +\def\@@localitemsymbol #1{\??op\currentitemgroup\c!symbol\s!local #1} +\def\@@currentitemsymbol#1{\??op\currentitemgroup\c!symbol #1} + +\def\@@itemcounter{\s!itemcount\currentitemgroup} + +% \def\doitembreak#1{\ifconditional\optimizelistitem\ifconditional\textlistitem\else\dosomebreak#1\fi\fi} +% +% \def\allowitembreak {\doitembreak\allowbreak} +% \def\noitembreak {\doitembreak\nobreak} +% \def\itembreakspecial {\doitembreak\itembreak} +% \def\noitembreakspecial{\doitembreak\itemnobreak} +% +% \def\itembreak {\flushnotes\penalty-5\relax} % -10 +% \def\itemnobreak{\flushnotes\penalty+5\ifinsidecolumns\else00\fi\relax} % +5 + +\definevspacing[\v!item @0] [penalty:0] % allow +\definevspacing[\v!item @10000] [penalty:10000] % no +\definevspacing[\v!item @-5] [penalty:-5] +\definevspacing[\v!item @5] [penalty:5] +\definevspacing[\v!item @500] [penalty:500] + +\def\doitembreak#1{\ifconditional\optimizelistitem\ifconditional\textlistitem\else#1\fi\fi} + +\def\allowitembreak {\doitembreak\itembreakallow} +\def\noitembreak {\doitembreak\itembreakno} +\def\itembreakspecial {\doitembreak\itembreak} +\def\noitembreakspecial{\doitembreak\itemnobreak} + +\def\itembreakallow{\vspacing[\v!item @0]} +\def\itembreakno {\vspacing[\v!item @10000]} +\def\itembreak {\flushnotes\vspacing[\v!item @-5]} +\def\itemnobreak {\flushnotes\ifinsidecolumns\vspacing[\v!item @5]\else\vspacing[\v!item @500]\fi} + +% cool but wrong: +% +% \def\initializeitemgrouplevel#1% +% {\ifcsname\??op\currentitemgroup#1\s!parent\endcsname +% % ok +% \else\ifnum#1>\plusone +% \setevalue{\??op\currentitemgroup#1\s!parent}{\??op\currentitemgroup\the\numexpr#1-1\relax}% +% \else +% \setevalue{\??op\currentitemgroup#1\s!parent}{\??op\currentitemgroup}% +% \fi\fi} +% +% so we have: + +\def\initializeitemgrouplevel#1% + {\ifcsname\??op\currentitemgroup#1\s!parent\endcsname + % ok + \else + \setevalue{\??op\currentitemgroup#1\s!parent}{\??op\currentitemgroup}% + \fi} + +\unexpanded\def\defineitemgroup + {\dotripleempty\dodefineitemgroup} + +\def\dodefineitemgroup[#1][#2][#3]% todo: clone + {\doifsomething{#1} + {\pushmacro\currentitemgroup + \def\currentitemgroup{#1}% + \setvalue{\e!start#1}{\startitemgroup[#1]}% + \setvalue{\e!stop#1}{\stopitemgroup}% + \setvalue{\e!setup#1\e!endsetup}{\setupitemgroup[#1]}% for old times sake + \doifelsenothing{#2} + {\getparameters[\??op#1][\s!parent=\??oo,#3]}% + {\doifassignmentelse{#2} + {\getparameters[\??op#1][\s!parent=\??oo,#2]}% + {\getparameters[\??op#1][\s!parent=\??op#2,#3]}}% + \dorecurse\maxitemdepth{\initializeitemgrouplevel\recurselevel}% + \definestructurecounter[itemgroup:#1]% + \popmacro\currentitemgroup}} + +\newtoks\everysetupitemgroup + +\unexpanded\def\setupitemgroups % [#1] + {\dodoubleargument\getparameters[\??oo]} % [#1] + +\def\packitems + {\ifcase\currentitemlevel \else \settrue\packlistitem \fi} + +\def\dosetupitemgroupvariable[#1]% [#2]% niveau instellingen + {\doifelsenothing{#1} + {\getparameters[\??op\currentitemgroup\currentitemlevel]}% + {\getparameters[\??op\currentitemgroup#1]}} + +\def\dosetupitemgroupconstant#1% + {\global\setitemparameter\currentitemlevel\c!maxwidth{0}% + \processcommacommand[#1]\dodosetupitemgroupconstant} % expansion of #2 is handy for xml + +\def\dodosetupitemgroupconstant#1% + {\edef\itemgroupconstantvalue{#1}% + \ifx\itemgroupconstantvalue\empty\else + \splitstring\itemgroupconstantvalue\at*\to\itemgroupfirst\and\itemgroupsecond + \ifx\itemgroupsecond\empty + \let\itemgroupsecond\itemgroupfirst + \let\itemgroupfirst\!!plusone + \fi + \ifcsname\??op:::\itemgroupsecond\endcsname\csname\??op:::\itemgroupsecond\endcsname\fi + \fi} + +\setvalue{\??op:::\v!packed }{\packitems} +\setvalue{\??op:::\v!intro }{\settrue\introlistitem} % here? not set to false +\setvalue{\??op:::\v!autointro}{\settrue\autointrolistitem} +\setvalue{\??op:::\v!broad }{\ifx\itemgroupfirst\empty\def\itemgroupfirst{1}\fi + \letitemparameter\currentitemlevel\c!factor\itemgroupfirst} +\setvalue{\??op:::\v!text }{\settrue\textlistitem + \settrue\inlinelistitem + \settrue\joinedlistitem + \packitems} +\setvalue{\??op:::\v!columns }{\packitems} +\setvalue{\??op:::\v!before }{\settrue\beforelistitem} +\setvalue{\??op:::\v!after }{\settrue\afterlistitem} +\setvalue{\??op:::\v!nowhite }{\settrue\nowhitelistitem} +\setvalue{\??op:::\v!margin }{\setitemparameter\currentitemlevel\c!width{-2em}} % signal +\setvalue{\??op:::\v!inmargin }{\setitemparameter\currentitemlevel\c!width{-2em}} % signal +\setvalue{\??op:::\v!atmargin }{\doifnot\currentitemlevel{1}{\setitemparameter\currentitemlevel\c!width{0em}}} % signal +\setvalue{\??op:::\v!intext }{\settrue\inlinelistitem} +\setvalue{\??op:::\v!loose }{\setfalse\optimizelistitem} +\setvalue{\??op:::\v!fit }{\settrue\fittinglistitems} +\setvalue{\??op:::\v!nofit }{\setfalse\fittinglistitems} +\setvalue{\??op:::\v!paragraph}{\settrue\paragraphlistitem + \packitems} +\setvalue{\??op:::\v!joinedup }{\settrue\joinedlistitem + \packitems} +\setvalue{\??op:::\v!serried }{\edef\itemgroupfirst{-\ifx\itemgroupfirst\empty1\else\itemgroupfirst\fi}% + \letitemparameter\currentitemlevel\c!factor\itemgroupfirst} +\setvalue{\??op:::\v!stopper }{\letitemparameter\currentitemlevel\c!placestopper\v!yes} % keep {} +\setvalue{\??op:::\v!unpacked }{\setfalse\packlistitem} +\setvalue{\??op:::\v!repeat }{\settrue\repeatlistitem} +\setvalue{\??op:::\v!reverse }{\settrue\reverselistitem} +\setvalue{\??op:::\v!standard }{\dosetupstandarditemgroup\currentitemlevel} + +\def\dosetupstandarditemgroup#1% + {\getparameters + [\??op\currentitemgroup#1] + [\c!width=1.5em,\c!factor=0,\c!distance=.5em,\c!inner=,\c!factor=0, + \c!beforehead=,\c!afterhead=\blank,\c!before=\blank,\c!inbetween=\blank,\c!after=\blank]} + +% \def\packeditemspacing{\empty} + +% \setupwhitespace[big] +% \starttext +% test \startitemize[joinedup] \item test \item test \stopitemize test \par +% test \startitemize[joinedup,nowhite] \item test \item test \stopitemize test \par +% test \startitemize[joinedup,nowhite,before] \item test \item test \stopitemize test \par +% test \startitemize[joinedup,nowhite,after] \item test \item test \stopitemize test \par +% \stoptext + +\def\itembeforecommand + {\ifconditional\nowhitelistitem + \ifconditional\beforelistitem + \ifcase\currentitemlevel\or\getitemparameter\currentitemlevel\c!before\fi + \else + \nowhitespace + \fi + \else\ifconditional\joinedlistitem + % \empty + \else + \getitemparameter\currentitemlevel\c!before + \fi\fi} + +\def\itemaftercommand + {\ifconditional\nowhitelistitem + \ifconditional\afterlistitem + \ifcase\currentitemlevel\or\getitemparameter\currentitemlevel\c!after\fi + \else + \nowhitespace + \fi + \else\ifconditional\joinedlistitem + % \empty + \else + \getitemparameter\currentitemlevel\c!after + \fi\fi} + +\def\iteminbetweencommand + {\ifconditional\nowhitelistitem + \nowhitespace + \else\ifconditional\joinedlistitem + % \empty + \else + \getitemparameter\currentitemlevel\c!inbetween + \fi\fi} + +\def\itembeforeheadcommand + {\ifconditional\nowhitelistitem + \nowhitespace + \else\ifconditional\joinedlistitem + % \empty + \else + \getitemparameter\currentitemlevel\c!beforehead + \fi\fi} + +\def\itemafterheadcommand + {\ifconditional\nowhitelistitem + \nowhitespace + \else\ifconditional\joinedlistitem + % \empty + \else + \getitemparameter\currentitemlevel\c!afterhead + \fi\fi} + +\def\dododododosetupitemgroup[#1][#2]% + {\doifassignmentelse{#2}% + {\dosetupitemgroupvariable[#1][#2]}% + {\setitemparameter{#1}\c!option{#2}}}% + +\def\dodododosetupitemgroup[#1][#2]% + {\doifsomething{#2} + {\doifelse{#1}\v!each + {\dorecurse\maxitemdepth{\normalexpanded{\noexpand\dododododosetupitemgroup[\recurselevel]}[#2]}} + {\normalexpanded{\noexpand\dododododosetupitemgroup[#1]}[#2]}}} + +% \def\dododosetupitemgroup[#1][#2]% +% {\doifelsenothing{#2} +% {\doifelsenothing{#1} +% {\dodododosetupitemgroup[\currentitemlevel][#2]} +% {\dodododosetupitemgroup[#1][#2]}} +% {\ifcase\currentitemlevel\relax +% \dodododosetupitemgroup[\v!each][#1]% +% \else +% \dodododosetupitemgroup[\currentitemlevel][#1]% +% \fi}} + +\def\dododosetupitemgroup[#1][#2]% + {\doifelsenothing{#2} + {\doifsomething{#1} + {\ifcase\currentitemlevel\relax + \dodododosetupitemgroup[\v!each][#1]% + \else + \dodododosetupitemgroup[\currentitemlevel][#1]% + \fi}}% + {\doifelsenothing{#1} + {\ifcase\currentitemlevel\relax + \dodododosetupitemgroup[\v!each][#2]% + \else + \dodododosetupitemgroup[\currentitemlevel][#2]% + \fi} + {\dodododosetupitemgroup[#1][#2]}}} + +\def\dodosetupitemgroup[#1][#2][#3][#4]% + {\pushmacro\currentitemgroup + \def\currentitemgroup{#1}% + \dododosetupitemgroup[#2][#3]% + \doifsomething{#4}{\dododosetupitemgroup[#2][#4]}% + \the\everysetupitemgroup + \popmacro\currentitemgroup} + +\def\dosetupitemgroup[#1][#2][#3][#4]% + {\def\docommand##1{\dodosetupitemgroup[##1][#2][#3][#4]}% + \processcommalist[#1]\docommand} + +\unexpanded\def\setupitemgroup + {\doquadrupleempty\dosetupitemgroup} + +\def\doadvanceitem + {\ifconditional\sublistitem\else\ifconditional\symbollistitem\else + \doincrementsubstructurecounter[\currentitemgroupcounter][\currentitemlevel]% + \fi\fi} + +\def\setitemlevel#1% + {\ifnum\currentitemlevel>\zerocount + \settrue\firstlistitem + \ifconditional\continuelistitems\else + \dorestartsubstructurecounter[\currentitemgroupcounter][\currentitemlevel]{\the\numexpr\getitemparameter\currentitemlevel\c!start-1\relax}% + \fi + \fi} + +\unexpanded\def\actualitemnumber + {\ifconditional\repeatlistitem + \ifcase\currentitemlevel\or\else + \doactualitemnumber + \fi + \else + \doactualitemnumber + \fi} + +\def\doactualitemnumber + {\begingroup + \setupstructurecounter + [\currentitemgroupcounter] + [%\c!prefix=\v!no, + \c!prefix=\getitemparameter\currentitemlevel\c!prefix, + \c!prefixstopper=\getitemparameter\currentitemlevel\c!prefixstopper, + \c!prefixseparatorset=\getitemparameter\currentitemlevel\c!prefixseparatorset, + \c!prefixconversion=\getitemparameter\currentitemlevel\c!prefixconversion, + \c!prefixconversionset=\getitemparameter\currentitemlevel\c!prefixseparatorset, + \c!prefixset=\getitemparameter\currentitemlevel\c!prefixset, + \c!prefixsegments=\getitemparameter\currentitemlevel\c!prefixsegments, + \c!prefixconnector=\getitemparameter\currentitemlevel\c!prefixconnector, + \c!criterium=\getitemparameter\currentitemlevel\c!criterium, + \c!numberorder=\ifconditional\reverselistitem\v!reverse\else\v!normal\fi, + \c!numberstopper=\expdoif{\getitemparameter\currentitemlevel\c!placestopper}\v!yes{\getitemparameter\currentitemlevel\c!stopper}, + %\c!numberseparatorset=, + %\c!numberconversionset=, + \c!numberconversion=\currentitemsymbol, + \c!numbersegments=\ifx\currentrepeatstart\empty\else\currentrepeatstart:\fi\number\currentitemlevel]% + \ifconditional\reverselistitem + \convertedstructurecounter[\currentitemgroupcounter]% [\number\currentitemlevel]% + \else + \convertedstructurecounter[\currentitemgroupcounter]% [\number\currentitemlevel]% + \fi + \dohandleitemreference + \endgroup} + +\def\unknownitemsymbol{?} + +\def\setitemmark#1% % en pas op: resets \docommand ; todo: conversionset + {\doifsymboldefinedelse{#1} + {\edef\currentitemsymbol{#1}% + \setxvalue{\@@globalitemsymbol\currentitemlevel}{\currentitemsymbol}% + \setgvalue{\@@localitemsymbol \currentitemlevel}{\unknownitemsymbol}% + \def\listitem{\symbol[\currentitemsymbol]}% + \let\@@opsymbol\empty}% + {\doifconversiondefinedelse{#1} + {\edef\currentitemsymbol{#1}% + \setxvalue{\@@globalitemsymbol\currentitemlevel}{\currentitemsymbol}% + \setgvalue{\@@localitemsymbol\currentitemlevel }{\actualitemnumber }% + \def\listitem + {\ifconditional\textlistitem + % maybe block stopper here, but one can as well clone an + % itemgroup then + \getitemparameter\currentitemlevel\c!lefttext + \getvalue{\@@localitemsymbol\currentitemlevel}% + \getitemparameter\currentitemlevel\c!righttext + \else + \getitemparameter\currentitemlevel\c!left + \getvalue{\@@localitemsymbol\currentitemlevel}% + \getitemparameter\currentitemlevel\c!right + \fi}% + \let\@@opsymbol\empty}% + {}}} + +% \def\calculatelistwidth#1% distance deals with 'broad' +% {\itemgrouplistwidth\getitemparameter#1\c!distance\relax +% \ifnum\getitemparameter#1\c!factor>\zerocount +% \ifdim\itemgrouplistwidth=\zeropoint \itemgrouplistwidth=.5em\fi +% \fi +% \multiply\itemgrouplistwidth \getitemparameter#1\c!factor +% \advance \itemgrouplistwidth \getitemparameter#1\c!width\relax} + +\def\calculatelistwidth#1% + {\ifdim\currentitemmaxwidth>\zeropoint + \itemgrouplistwidth\currentitemmaxwidth + \else\ifnum\getitemparameter#1\c!factor>\zerocount + \itemgrouplistwidth\getitemparameter#1\c!step\relax + \ifdim\itemgrouplistwidth=\zeropoint \itemgrouplistwidth=.5em\fi + \multiply\itemgrouplistwidth \getitemparameter#1\c!factor + \advance\itemgrouplistwidth\getitemparameter#1\c!width\relax + \else + \itemgrouplistwidth\getitemparameter#1\c!width\relax + \fi\fi + \advance\itemgrouplistwidth\getitemparameter#1\c!distance\relax} + +% The next conditionals deal with \item \startitemgroup. It +% looks like a hack to skip back, but that way we preserve +% the indentation and bullet placement. It's a rather +% untested feature. + +\newconditional\concatnextitem \setfalse\concatnextitem +\newconditional\autoconcatnextitem \settrue \autoconcatnextitem +\newsignal \itemsignal + +\unexpanded\def\startitemgroup + {\dotripleempty\dostartitemgroup} + +\def\dostartitemgroup[#1][#2][#3]% + {\bgroup + \ifnum\currentitemlevel=\zerocount + \def\currentitemgroup{#1}% no nested mixing of itemgroups + \fi + \ifthirdargument + \dodostartitemgroup[#2][#3]% + \else + \doifassignmentelse{#2} + {\dodostartitemgroup[][#2]} + {\dodostartitemgroup[#2][]}% + \fi} + +\def\dodostartitemgroup[#1]% [#2]% + {\relax % prevents lookahead + \ifnum\currentitemlevel=\maxitemdepth\relax + \showmessage\m!layouts9{\number\maxitemdepth}% + \let\itemincrement\zerocount + \else + \let\itemincrement\plusone + \fi + \global\advance\itemdepth\itemincrement + \xdef\currentitemlevel{\number\itemdepth}% + \edef\itemgroupoptions{\getitemparameter\currentitemlevel\c!option}% + \ifx\itemgroupoptions\empty + \edef\itemgroupoptions{#1}% + \else + \doifsomething{#1}{\edef\itemgroupoptions{\itemgroupoptions,#1}}% + \fi + \normalexpanded{\noexpand\redostartitemgroup[\itemgroupoptions]}}% [#2] + +\let\startcollectitems\relax +\let\stopcollectitems \relax + +%D A nice example of a plugin: +%D +%D \startbuffer +%D \startitemize[a,random,packed] +%D \startitem first \stopitem \startitem second \stopitem +%D \startitem third \stopitem \startitem fourth \stopitem +%D \stopitemize +%D +%D \startitemize[a,random,packed] +%D \startitem first \stopitem \startitem second \stopitem +%D \startitem third \stopitem \startitem fourth \stopitem +%D \stopitemize +%D +%D \startitemize[a,packed] +%D \startitem first \stopitem \startitem second \stopitem +%D \startitem third \stopitem \startitem fourth \stopitem +%D \stopitemize +%D \stopbuffer +%D +%D \typebuffer \getbuffer + +% better collectitems als conditional and a real plugin mechanism (some day) + +\@EA\long\@EA\def\@EA\collectitemgroupitem\@EA#\@EA1\csname\e!stop\v!item\endcsname + {\increment\itemcollectcounter + \long\setvalue{\v!item*\itemcollectcounter}{\item#1\par}} + +\def\flushcollecteditems + {\ifconditional\randomizeitems + \getrandomnumber\itemcollectcounternow\plusone\itemcollectcounter + \else + \increment\itemcollectcounternow + \fi + \doifdefined{\v!item*\itemcollectcounternow} + {\getvalue{\v!item*\itemcollectcounternow}% + \letbeundefined{\v!item*\itemcollectcounternow}% + \increment\itemcollectcounterdone}% + \ifnum\itemcollectcounterdone<\itemcollectcounter\relax + \expandafter\flushcollecteditems + \fi} + +\unexpanded\def\stopcollectitems + {\ifconditional\randomizeitems + \newcounter\itemcollectcounterdone + \ifnum\itemcollectcounter>\zerocount + \@EAEAEA\flushcollecteditems + \fi + \fi} + +\unexpanded\def\startcollectitems + {\ifconditional\randomizeitems + \newcounter\itemcollectcounter + \letvalue{\e!start\v!item}\collectitemgroupitem + \fi} + +%D End of plugin. + +\ifx\startcolumns\undefined \unexpanded\def\startcolumns[#1]{} \fi +\ifx\stopcolumns \undefined \let\stopcolumns\relax \fi + +\def\dosetsymalign#1% hm, we should use one of the core-spa macros or make a helper + {\processaction + [#1] + [ \v!flushleft=>\let\symalignleft\relax, + \v!right=>\let\symalignleft\relax, + \v!flushright=>\let\symalignleft\hfill, + \v!left=>\let\symalignleft\hfill, + \v!middle=>\let\symalignleft\hfil, + \v!center=>\let\symalignleft\hfil]} + +\let\currentitemindenting\empty + +\def\redostartitemgroup[#1][#2]% + {\setfalse\inlinelistitem % new, no indent (leftskip) + \setfalse\concatnextitem % new, concat + \setfalse\txtlistitem + \ifhmode + \ifconditional\autoconcatnextitem % new, concat + \ifdim\lastskip=\itemsignal % new, concat + \settrue\concatnextitem % new, concat + \fi % new, concat + \fi % new, concat + \ifconditional\textlistitem\else\doifnotinset\v!text{#1}\par\fi % suboptimal + \fi + \begingroup + % new where, ok or not / we should integrate random, intro, continue here + % beware, the following no longer inherit from the previous level, is this ok? + \setfalse\reverselistitem + \setfalse\introlistitem + \setfalse\autointrolistitem + \setfalse\beforelistitem + \setfalse\afterlistitem + \setfalse\nowhitelistitem + \setfalse\randomizeitems + % + \doifinsetelse\v!intro {#1}{\settrue\introlistitem }{\setfalse\introlistitem }% + \doifinsetelse\v!random {#1}{\settrue\randomizeitems }{\setfalse\randomizeitems }% + \doifinsetelse\v!continue{#1}{\settrue\continuelistitems}{\setfalse\continuelistitems}% + % == \doifinsetelse\v!intro{#1}\settrue\setfalse\introlistitem + \global\advance\noflists\plusone + \currentnoflists\noflists + \noflistelements\zerocount + \setfalse\headlistitem + \setfalse\sublistitem + \setfalse\symbollistitem + \let\marsymbol\relax + \globallet\doitemdestination\empty + \let\symsymbol\empty + \let\symalignleft\relax + \the\itemgroupcommands + \checkcurrentnofitems + % \getitemparameter\currentitemlevel\empty + \let\listitem\empty % ** start value + \doifelsenothing{#1} % iffirstargument + {\edef\@@opsymbol{\noexpand\getitemparameter\currentitemlevel\noexpand\c!symbol}% + \letgvalueempty{\@@globalitemsymbol\currentitemlevel}% + \global\letitemparameter\currentitemlevel\v!continue\empty + \dosetupitemgroupvariable[\currentitemlevel][#2]} + {\dosetupitemgroupconstant{#1}% + \dosetupitemgroupvariable[\currentitemlevel][#2]% + \ifconditional\continuelistitems + \edef\@@opsymbol{\executeifdefined{\@@globalitemsymbol\currentitemlevel}{\currentitemlevel}}% + \getitemparameter\currentitemlevel\v!continue + \else + \edef\@@opsymbol{\noexpand\getitemparameter\currentitemlevel\noexpand\c!symbol}% + \global\setitemparameter\currentitemlevel\v!continue + {\dosetupitemgroupconstant{#1}% + \dosetupitemgroupvariable[\currentitemlevel][#2]}% + \fi + \def\docommand##1% \setitemmark resets \docommand + {\doifnot{##1}{0}{\setitemmark{##1}}}% + % \processcommalist[#1,\@@opsymbol]\docommand + \processcommalist[#1]\docommand}% ** preset sequence or provided sequence + % moved to here, after settings + \ifnum\currentitemlevel=\plusone % NIEUW + \doadaptleftskip {\getitemparameter\currentitemlevel\c!margin}% + \doadaptleftskip {\getitemparameter\currentitemlevel\c!leftmargin}% + \doadaptrightskip{\getitemparameter\currentitemlevel\c!rightmargin}% + \fi + \dosetraggedcommand{\getitemparameter\currentitemlevel\c!align}\raggedcommand + \dosetsymalign{\getitemparameter\currentitemlevel\c!symalign}% + %\doifsomething{\getitemparameter\currentitemlevel\c!indenting} + % {\normalexpanded{\noexpand\setupindenting[\v!reset,\v!yes,\getitemparameter\currentitemlevel\c!indenting]}}% + % {\normalexpanded{\noexpand\setupindenting[\getitemparameter\currentitemlevel\c!indenting]}}% + % + \edef\currentitemindenting{\getitemparameter\currentitemlevel\c!indenting}% + % + \setitemlevel{#1}% moved to here + \ifx\listitem\empty + \setitemmark\@@opsymbol % ** default value + \ifx\listitem\empty + \edef\currentitemsymbol{\currentitemlevel}% ** fall back + \fi + \fi + \ifconditional\autointrolistitem\ifnum\prevgraf<3 + \settrue\introlistitem + \fi\fi + \ifconditional\paragraphlistitem + \ifnum\currentitemlevel>\plusone + \letitemparameter\currentitemlevel\c!inbetween\empty + \fi + \fi + \ifconditional\packlistitem + \letitemparameter\currentitemlevel\c!inbetween\empty + \fi + \doifinset\v!columns{#1}% + {\ifinsidecolumns\else\ifcase\itemcolumndepth + \global\itemcolumndepth\currentitemlevel\relax + \itembeforecommand + \processfirstactioninset + [#1] + [ \v!one=>\setitemparameter\currentitemlevel\c!n{1}, + \v!two=>\setitemparameter\currentitemlevel\c!n{2}, + \v!three=>\setitemparameter\currentitemlevel\c!n{3}, + \v!four=>\setitemparameter\currentitemlevel\c!n{4}, + \v!five=>\setitemparameter\currentitemlevel\c!n{5}, + \s!unknown=>\@EA\!!counta\getitemparameter\currentitemlevel\c!n]% + \startcolumns + [\c!n=\getitemparameter\currentitemlevel\c!n, + \c!height=, + \c!rule=\v!off, + \c!balance=\v!yes, + \c!align=\v!no]% + \fi\fi}% + \ifconditional\fittinglistitems + \ifdim\currentitemmaxwidth>\zeropoint + \esetitemparameter\currentitemlevel\c!width{\currentitemmaxwidth}% + \fi + \fi + \calculatelistwidth\currentitemlevel + \ifdim\itemgrouplistwidth>\zeropoint\relax + \ifconditional\inlinelistitem\else + \advance\leftskip\itemgrouplistwidth\relax + \fi + \fi + \startcollectitems} + +% test / example +% +% \startnarrower[left] \startcolumns[n=3] \startitemize +% \item \input ward \item \input ward \item \input ward +% \stopitemize \stopcolumns\stopnarrower \blank +% +% \startnarrower[left] \startitemize[columns,three] +% \item \input ward \item \input ward \item \input ward +% \stopitemize \stopnarrower \blank +% +% \setupitemize[leftmargin=1.5em] \startitemize[columns,three] +% \item \input ward \item \input ward \item \input ward +% \stopitemize \blank + +\unexpanded\def\stopitemgroup + {\stopcollectitems + \ifconditional\textlistitem + \removeunwantedspaces\space\ignorespaces + \else + \par + \fi + \dolistreference + \ifconditional\firstlistitem \else \endgroup \fi % toegevoegd, eerste \som opent groep + \ifnum\itemcolumndepth=\currentitemlevel\relax + \stopcolumns + \global\itemcolumndepth\zerocount + \itemaftercommand + \dontrechecknextindentation + \else + \ifnum\currentitemlevel=\plusone + \allowitembreak + \itemaftercommand + \checknextindentation[\getitemparameter\currentitemlevel\c!indentnext]% + \else + % nieuw, not yet nobreak handling + \ifcase\autoitemgroupspacing + \itemaftercommand + \or + \itemaftercommand + \fi + \dontrechecknextindentation + \fi + \fi + % new test, needed in sidefloats (surfaced in volker's proceedings) + \ifconditional\textlistitem % else forgotten + \endgroup + \global\advance\itemdepth-\itemincrement + \xdef\currentitemlevel{\number\itemdepth}% + \egroup + \else + \endgroup + \global\advance\itemdepth-\itemincrement + \xdef\currentitemlevel{\number\itemdepth}% + \egroup + \par + \fi + \dorechecknextindentation} + +\newtoks\itemgroupcommands +\newtoks\itemgroupfinalizer + +\def\itemgroupitem + {\the\itemgroupfinalizer + \doitemgroupitem} + +\def\itemgroupnoitem + {\the\itemgroupfinalizer + \doitemgroupnoitem} + +\def\itemgroupbutton[#1]% + {\the\itemgroupfinalizer + \gdef\doitemdestination{#1}% + \itemgroupitem} + +\def\itemgroupdummy + {\the\itemgroupfinalizer + \itemgroupsymbol{\strut}\strut} + +\def\itemgroupsubitem + {\the\itemgroupfinalizer + \settrue\sublistitem + \itemgroupitem} + +\def\itemgroupsymbol#1% + {\the\itemgroupfinalizer + \def\symsymbol{#1}% + \settrue\symbollistitem + \itemgroupitem} + +\def\itemgroupedge#1% + {\the\itemgroupfinalizer + \itemgroupsymbol + {\calculatelistwidth\currentitemlevel + \hbox to \itemgrouplistwidth + {#1\hskip\getitemparameter\currentitemlevel\c!distance}}} + +\def\itemgrouphead + {\the\itemgroupfinalizer + \settrue\headlistitem\doitemgrouphead} + +\def\itemgroupitems + {\the\itemgroupfinalizer + \dosingleempty\doitemgroupitems} + +\def\doitemgroupitems[#1]% + {\itemgroupedge + {\dorecurse{0\getitemparameter\currentitemlevel\c!items}{\listitem\hss}% + \unskip}} + +\def\itemgroupmargin#1% + {\the\itemgroupfinalizer + \def\marsymbol + {\llap + {\dosetitemattributes\currentitemlevel\c!marstyle\c!marcolor{#1}% + \hskip\leftskip\hskip\leftmargindistance}}% + \itemgroupitem} + +\appendtoks \let\item \itemgroupitem \to \itemgroupcommands +\appendtoks \let\noitem \itemgroupnoitem \to \itemgroupcommands +\appendtoks \letvalue\v!item \itemgroupitem \to \itemgroupcommands +\appendtoks \let\itm \itemgroupitem \to \itemgroupcommands +\appendtoks \let\but \itemgroupbutton \to \itemgroupcommands +\appendtoks \let\nop \itemgroupdummy \to \itemgroupcommands +\appendtoks \letvalue\v!sub \itemgroupsubitem \to \itemgroupcommands +\appendtoks \letvalue\v!sym \itemgroupsymbol \to \itemgroupcommands +\appendtoks \letvalue\v!ran \itemgroupedge \to \itemgroupcommands +\appendtoks \letvalue\v!head \itemgrouphead \to \itemgroupcommands +\appendtoks \letvalue\v!its \itemgroupitems \to \itemgroupcommands +\appendtoks \letvalue\v!mar \itemgroupmargin \to \itemgroupcommands + +% todo : \startitem .. \stopitem +% +% beware, we don't group (yet) as we want to keep the left/right skip +% +% \startitemize +% \startitem \stopitem +% some intermediate text that will properly indent +% \startitem \stopitem +% \stopitem +% +% so we need to keep that property + +\appendtoks + \letvalue{\e!start\v!item}\itemgroupitem + \letvalue{\e!stop \v!item}\endgraf +\to \itemgroupcommands + +\appendtoks + \setvalue{\e!start\v!head}#1{\itemgrouphead#1\par}% + \letvalue{\e!stop \v!head}\endgraf +\to \itemgroupcommands + +% \startitemize +% \starthead {xx} test \stophead +% \startitem test \stopitem +% \startitem test \stopitem +% \stopitemize + +% Sometimes the user demands get pretty weird: +% +% \startitemize +% \item test +% \item test +% \headsym{xx} test \par test +% \stopitemize + +% aligned items +% +% \startitemize[n,fit,broad][itemalign=flushright] +% \dorecurse{100}{\item The first item.} +% \stopitemize +% +% \setupitemgroup[itemize][each][fit] +% \setupitemgroup[itemize][each][distance=.5em,factor=1,itemalign=flushright] +% +% \startitemize[n] +% \dorecurse{100}{\item The first item.} +% \stopitemize + +\appendtoks \let\headsym \itemgroupheadsym \to \itemgroupcommands + +\def\itemgroupheadsym#1% + {\def\symsymbol{#1}% + \settrue\symbollistitem + \settrue\headlistitem + \doitemgrouphead} + +% \defineitemgroup[gbitemize] +% \setupitemgroup[gbitemize][each][headstyle=bold] + +% \startgbitemize +% \txt{italian} some italians like this kind of cross||breed between +% an itemize and a description +% \txt{sicilians} i wonder how many sicilian mathematicians do a thesis +% on the math involved in predicting the next big bang of the vulcano +% \stopgbitemize + +\appendtoks \letvalue\v!txt\itemgrouptext \to \itemgroupcommands + +\newconditional\txtlistitem \setfalse\txtlistitem + +\def\itemgrouptext#1% + {\def\symsymbol{#1}% + \settrue\symbollistitem + \settrue\txtlistitem + \itemgroupitem} + +\def\dodotxtitem + {\scratchdimen\wd\itemgroupitembox + \advance \scratchdimen \getitemparameter\currentitemlevel\c!distance\relax + \ifdim\scratchdimen>\itemgrouplistwidth + \advance\scratchdimen -\itemgrouplistwidth + \else + \scratchdimen\zeropoint + \fi + \llap{\hbox to \itemgrouplistwidth{\ifconditional\sublistitem\llap{+\enspace}\fi\box\itemgroupitembox\hss}}% was: \hfill + \hskip\scratchdimen} + +\def\optimizelistitemsbreak + {\ifcase\itemcolumndepth \ifconditional\optimizelistitem + \ifcase \currentnofitems \else + \ifnum\currentnofitems=\plusthree + \ifnum\noflistelements>\plusone + \noitembreakspecial + \fi + \else\ifnum\currentnofitems>\plusthree + \ifnum\noflistelements=\plustwo + \ifconditional\introlistitem + \noitembreak + \else + \noitembreakspecial + \fi + \else\ifnum\currentnofitems=\noflistelements\relax + \noitembreakspecial + \else\ifnum\noflistelements>\plustwo + \itembreakspecial + \else + \ifconditional\introlistitem\else\itembreakspecial\fi + \fi\fi\fi + \fi\fi + \fi + \fi\fi} + +\def\dodosubitem + {\ifconditional\sublistitem\llap{+\enspace}\fi} + +\def\dodolapitem + {\llap + {\hbox to \itemgrouplistwidth + {\dodosubitem + \symalignleft + \box\itemgroupitembox % can already have a forced widt, only factor handled here + \hfil + \hskip\getitemparameter\currentitemlevel\c!distance}}} + +\def\dolistitem % evt aantal items opslaan per niveau, scheelt zoeken + {\ifconditional\textlistitem + % begin of item + \else + \par + \fi + \advance\noflistelements\plusone + \optimizelistitemsbreak + \setfalse\indentedfirstlistitem + \ifx\currentitemindenting\empty \else + \normalexpanded{\noexpand\setupindenting[\v!reset,\v!yes,\currentitemindenting]}% + \doifnot{\getitemparameter\currentitemlevel\c!alignsymbol}\v!yes + {\ifindentfirstparagraph\settrue\indentedfirstlistitem\fi}% + \fi + \dontleavehmode + \ifconditional\indentedfirstlistitem + \hskip-\parindent + \fi + \setbox\itemgroupitembox\hbox + {\ifconditional\headlistitem + \ifconditional\symbollistitem + \dosetitemattributes\currentitemlevel\c!symstyle\c!symcolor{\symsymbol}% + \else + \dosetitemattributes\currentitemlevel\c!headstyle\c!headcolor{\listitem}% + \fi + \else + \ifconditional\symbollistitem + \dosetitemattributes\currentitemlevel\c!symstyle\c!symcolor{\symsymbol}% + \else + \dosetitemattributes\currentitemlevel\c!style\c!color{\listitem}% + \fi + \fi}% + \doifsomething\doitemdestination + {\setbox\itemgroupitembox\hbox{\directgotobox{\box\itemgroupitembox}[\doitemdestination]}}% + \itemgroupaskedwidth\getitemparameter\currentitemlevel\c!width\relax + \ifconditional\fittinglistitems + \ifdim\wd\itemgroupitembox>\getitemparameter\currentitemlevel\c!maxwidth sp\relax + \xsetitemparameter\currentitemlevel\c!maxwidth{\number\wd\itemgroupitembox}% + \fi + \ifdim\currentitemmaxwidth>\zeropoint + \setbox\itemgroupitembox\simplealignedbox + {\getitemparameter\currentitemlevel\c!itemalign} + {\dimexpr\currentitemmaxwidth+\getitemparameter\currentitemlevel\c!distance\relax} + {\box\itemgroupitembox\hskip\getitemparameter\currentitemlevel\c!distance}% + \fi + \else\ifdim\itemgroupaskedwidth>\zeropoint + \doifsomething{\getitemparameter\currentitemlevel\c!itemalign} + {\setbox\itemgroupitembox\simplealignedbox + {\getitemparameter\currentitemlevel\c!itemalign} + {\dimexpr\itemgroupaskedwidth+\getitemparameter\currentitemlevel\c!distance\relax} + {\box\itemgroupitembox\hskip\getitemparameter\currentitemlevel\c!distance}}% + \fi\fi + \globallet\doitemdestination\empty + % new, prevents loops when symbol is (not yet found) graphic + \ht\itemgroupitembox\strutheight + \dp\itemgroupitembox\strutdepth + % so that content differs per run (esp mp graphics afterwards) + \checkforrepeatedlistitem + \ifdim\itemgroupaskedwidth<\zeropoint\relax + \llap{\ifconditional\sublistitem\llap{+\enspace}\fi\box\itemgroupitembox\hskip\leftmargindistance}% + \else + \ifdim\itemgroupaskedwidth=\zeropoint\relax + \calculatelistwidth1% + \else + \calculatelistwidth\currentitemlevel + \fi + \ifconditional\textlistitem + \hbox{\ifconditional\sublistitem+\enspace\fi\box\itemgroupitembox\hskip\interwordspace}\nobreak + \else\ifconditional\inlinelistitem + \hbox to \itemgrouplistwidth{\ifconditional\sublistitem\llap{+\enspace}\fi\box\itemgroupitembox\hss}% was: \hfill + \else\ifconditional\txtlistitem + \dodotxtitem + \else + \dodolapitem + \fi\fi\fi + \fi + \setevalue{\@@currentitemsymbol\currentitemlevel}% + {\getvalue{\@@localitemsymbol\currentitemlevel}}% still problems with \uchar ? + %{\noexpand\getvalue{\@@localitemsymbol\currentitemlevel}}% no, spoils subrefs + \setfalse\headlistitem + \setfalse\sublistitem + \setfalse\symbollistitem + \EveryPar{\ignorespaces}% needed ? + \ifconditional\indentedfirstlistitem + \hskip\parindent + \fi + \ignorespaces} + +% For Wolfgang Schuster + +% \startitemize[n,repeat] +% \noitem \startitemize[a] \item Item 1.a. \item Item 1.b. \stopitemize +% \noitem \startitemize[a] \item Item 2.a. \item Item 2.b. \stopitemize +% \stopitemize + +\def\donolistitem % reduced \dolistitem + {\advance\noflistelements\plusone + \setbox\itemgroupitembox\hbox + {\dosetitemattributes\currentitemlevel\c!style\c!color{\listitem}}% + \checkforrepeatedlistitem + \ignorespaces} + +\def\doitemgroupnoitem + {\doadvanceitem\donolistitem} + +% For Frank Grieshaber and Mojca Miklavec: + +\newconditional\repeatlistitem + +\def\checkforrepeatedlistitem + {\ifconditional\repeatlistitem + \ifx\currentrepeatstart\empty + \let\currentrepeatstart\currentitemlevel + \fi + \setbox\itemgroupitembox\hbox to \wd\itemgroupitembox{\hskip-\itemgroupaskedwidth\box\itemgroupitembox}% what a hack ! + \fi} + +% \startbuffer +% \item +% \startitemize[n] +% \item item 1.1 +% \item item 1.2 +% \startitemize[n] \item item 1.2.1 \item item 1.2.2 \stopitemize +% \item item 1.3 +% \stopitemize +% \item +% \startitemize[n] \item item 2.1 \item item 2.2 \stopitemize +% \item item 3 +% \startitemize[n] \item item 3.1 \item item 3.2 \stopitemize +% \item +% \startitemize[n] \item item 4.1 \item item 4.2 \stopitemize +% \stopbuffer +% +% \startitemize[n,repeat,6*broad,packed] \getbuffer \stopitemize \blank[3*big] +% \startitemize[n,repeat,packed] \getbuffer \stopitemize \blank[3*big] +% \setupitemize[each][atmargin][width=3em] +% \startitemize[n,repeat,packed] \getbuffer \stopitemize + +\chardef\autoitemgroupspacing=2 % 0 = voor/na, 1=tussen als geen voor 2=(prev)tussen=old/normal + +\def\complexdoitemgroupitem[#1]% + {\def\currentitemreference{#1}% + \ifconditional\textlistitem + % begin of item + \else + \par + \fi + \ifconditional\concatnextitem % new, concat + \noitembreak % new, concat + \fi % new, concat + \doadvanceitem + \ifconditional\firstlistitem + \setfalse\firstlistitem + \begingroup + \ifcase\currentitemlevel + \or % 1 + \ifcase\itemcolumndepth + \ifconditional\introlistitem\noitembreak\fi + \itembeforecommand + \ifconditional\introlistitem\noitembreak\fi + \fi + \else % 2 en hoger + \ifconditional\paragraphlistitem \else + \edef\previtemlevel{\the\numexpr\currentitemlevel-1}% + \ifcase\autoitemgroupspacing\relax % nieuw + \itembeforecommand + \or + \doifelsenothing\itembeforecommand\itembeforecommand{\getitemparameter\previtemlevel\c!inbetween}% + \else + \getitemparameter\previtemlevel\c!inbetween + \fi + \fi + \fi + \else + \ifconditional\textlistitem % was bugged: \inlinelistitem + \ifhmode + % WS: make the distance between items customizable, think about better default values -> see itemize-1.tex + \normalexpanded{\doassigntextitemdistance{\getitemparameter\currentitemlevel\c!textdistance}}% HH: moved out and made configurable (sort of) + \removeunwantedspaces\hskip\textitemdistance\relax + \fi + \else + \iteminbetweencommand + \fi + \fi + \ifconditional\concatnextitem + \vskip-\dimexpr\lastskip+\lineheight\relax + \nobreak + \fi + \dolistitem + \relax + \ifconditional\packlistitem + \setupwhitespace[\v!none]% + \fi + \getitemparameter\currentitemlevel\c!inner + \marsymbol + \let\marsymbol\relax + \strut % added 11-08-99 + \setfalse\concatnextitem % new, concat + \nobreak % else problems with intext items + \hskip\itemsignal % new, concat + \getitemparameter\currentitemlevel\c!command} % \defaultitemcommand + +% \startitemize[text][space=medium] +% \item one \item two \item three +% \stopitemize + +\setvalue{\??op:\??op:\c!textdistance:\v!none}% + {\def\textitemdistance{\zeropoint}} + +\def\doassigngiventextitemdistance#1% + {\assignvalue + {#1}% + \textitemdistance + {.5\interwordspace\!!plus.5\emwidth}% + {\interwordspace \!!plus \emwidth}% + {\emwidth \!!plus \interwordstretch\!!minus\interwordshrink}} + +\unexpanded\def\doassigntextitemdistance#1% + {\ifcsname\??op:\??op:\c!textdistance:#1\endcsname + \csname\??op:\??op:\c!textdistance:#1\endcsname + \else + \doassigngiventextitemdistance{#1}% + \fi} + +\def\defaultitemcommand + {\EveryPar{\ignorespaces}% needed ? + \ignorespaces} + +% For Giuseppe "Oblomov" Bilotta, inspired on a suggestion by Taco +% Hoekwater. +% +% \def\MyItemCommand#1{{\bf#1}\quad} +% \setupitemgroup[itemize][command=\MyItemCommand] +% +% \startitemize +% \item {test} is this okay? +% \item {test} is this okay? +% \item {test} is this okay? +% \stopitemize + +\def\complexitem[#1]#2\par % todo: no two pass data + {\startitemgroup[#1]% + \complexdoitemgroupitem[]\begstrut#2\endstrut\par + \stopitemgroup} + +\definecomplexorsimpleempty\item +\definecomplexorsimpleempty\doitemgroupitem + +\def\complexhead[#1]#2\par#3\par + {\startitemgroup[#1]% + \complexdoitemgrouphead[]\begstrut#2\endstrut\par\begstrut#3\endstrut\par + \stopitemgroup} + +% the next solution accepts \head test \type{x{x}x} test ... + +\let\doenditemhead\relax + +\def\complexdoitemgrouphead[#1]% beter in \complexdosom hangen met een if + {\ifconditional\firstlistitem\else\allowitembreak\fi + \ifconditional\packlistitem\else\itembeforeheadcommand\fi + \ifconditional\firstlistitem\ifconditional\introlistitem\else\ifcase\currentitemlevel % incr in \complexdosom + \allowitembreak + \fi\fi\fi + \complexdoitemgroupitem[#1]% + \bgroup + \dosetitemattributes\currentitemlevel\c!headstyle\c!headcolor\empty + \ignorespaces + \itemgroupfinalizer{\enditemhead}% + \let\par\enditemhead} % brrrr but simple anyway + +\def\enditemhead + {\removeunwantedspaces + \egroup + \ifconditional\textlistitem + \space\ignorespaces + \else + \par + \fi + \noitembreak + \ifconditional\packlistitem\else\itemafterheadcommand\fi + \noitembreak + \noindentation} + +\definecomplexorsimpleempty\head +\definecomplexorsimpleempty\doitemgrouphead + +\def\sym#1% + {\noindent + \begingroup + \setbox\scratchbox\hbox{\trialtypesettingtrue#1}% + \setbox\scratchbox\hbox + \ifdim\wd\scratchbox<1em to 1.5\else spread 1\fi em{#1\hfil}% + \normalexpanded{\box\scratchbox\endgroup\hangindent\the\wd\scratchbox}% + \ignorespaces} + +\setupitemgroups + [\c!margin=\zeropoint, + \c!leftmargin=\zeropoint, + \c!rightmargin=\zeropoint, + \c!indentnext=\v!yes, + \c!width=1.5em, + \c!factor=0, + \c!distance=.5em, + %\c!align=\v!normal, % definitely not \v!normal, see mails and + %\c!align=, % debug reports of David A & Patrick G on context list + %\c!symalign=, + %\c!color=, + %\c!indenting=, % untouched if empty + %\c!style=, + \c!marstyle=\c!type, % \c! ??? + %\c!symstyle=, + %\c!headstyle=, + %\c!marcolor=, + %\c!symcolor=, + %\c!headcolor=, + %\c!beforehead=, + \c!afterhead=\blank, + \c!before=\blank, + \c!inbetween=\blank, + \c!after=\blank, + %\c!stopper=., + \c!placestopper=\v!yes, + \c!stopper=., + %\c!inner=, + \c!n=2, + \c!items=4, + \c!lefttext=(, + \c!righttext=), + \c!start=1, + \c!criterium=\v!all, % permits 0 and negative numbers + %\c!option=, + \c!textdistance=\v!big, + \c!command=\defaultitemcommand, + \c!indenting=\v!next, + %\c!alignsymbol=v!no, + \c!symbol=\currentitemlevel] + +% new: + +\setupitemgroups + [\c!step=.5em, % deals with broad + \c!distance=\zeropoint] + +\setupitemgroups + [\c!prefix=\v!no, +% \c!prefixstopper=., +% \c!prefixseparatorset=, +% \c!prefixconversion=, +% \c!prefixconversionset=, +% \c!prefixset=, +% \c!prefixsegments=1:100, + \c!prefixconnector=., + % + \c!numberseparatorset=, + \c!numberconversionset=, + \c!numberstopper=., + \c!numbersegments=1] + +\defineitemgroup [\v!itemize] + +\protect \endinput |