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authorMarius <mariausol@gmail.com>2011-01-31 00:29:42 +0200
committerMarius <mariausol@gmail.com>2011-01-31 00:29:42 +0200
commitd0fbd0050d9085f815b642d138c3ef571b64b76a (patch)
treea9db5fa1c10795ffa6280fc1781fae8d10144ac6 /tex/context/base/java-ini.mkiv
parenta894f2e8c02c29b8ddeec3094acc1859ab34f864 (diff)
downloadcontext-d0fbd0050d9085f815b642d138c3ef571b64b76a.tar.gz
beta 2011.01.24 23:51
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-%D \module
-%D [ file=java-ini,
-%D version=1998.01.30,
-%D title=\CONTEXT\ JavaScript Macros,
-%D subtitle=Initialization,
-%D author=Hans Hagen,
-%D date=\currentdate,
-%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
-%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 JavaScript Macros / Initialization}
-
-\registerctxluafile{java-ini}{1.001}
-
-\unprotect
-
-%D \macros
-%D {JS*}
-%D
-%D Because \JAVASCRIPT's are activated by the user, for
-%D instance by activating on a button, their support is closely
-%D related to the referencing mechanism. Integration takes
-%D place by
-%D
-%D \starttyping
-%D \goto{calculate total}[Sum()]
-%D \stoptyping
-%D
-%D The \type{()} classify this as a script. If they are absent,
-%D the keyword is treated as a normal reference.
-%D
-%D One can pass arguments to such a script by saying:
-%D
-%D \starttyping
-%D \goto{calculate total}[Sum(1.5,2.3)]
-%D \stoptyping
-
-
-%D \macros
-%D {startJScode}
-%D
-%D A piece of \JAVASCRIPT\ code is defined by saying:
-%D
-%D \starttyping
-%D \startJScode{name}
-%D name = 4 ;
-%D \stopJScode
-%D \stoptyping
-%D
-%D This assumes uses no preamble or presumes that the preamble is
-%D always loaded, the next definition also tells \CONTEXT\ to
-%D actually include the preamble needed.
-%D
-%D \starttyping
-%D \startJScode{uses} uses {later}
-%D uses = 6 ;
-%D \stopJScode
-%D \stoptyping
-%D
-%D \macros
-%D {startJSpreamble}
-%D
-%D One can define insert \JAVASCRIPT\ code at the document level
-%D by using:
-%D
-%D \starttyping
-%D \startJSpreamble{oeps}
-%D oeps = 1 ;
-%D \stopJSpreamble
-%D \stoptyping
-%D
-%D which is the same as:
-%D
-%D \starttyping
-%D \startJSpreamble{now} used now
-%D now = 2 ;
-%D \stopJSpreamble
-%D \stoptyping
-%D
-%D while the next definition is only included when actually
-%D used.
-%D
-%D \starttyping
-%D \startJSpreamble{later} used later
-%D later = 3 ;
-%D \stopJSpreamble
-%D \stoptyping
-%D
-%D This command may be used more that once, but always before
-%D the first page is shipped out.
-%D
-%D \macros
-%D {setJSpreamble, addtoJSpreamble}
-%D
-%D In addition to the previous preamble definitions, we can
-%D set a preamble \quote {in||line} and add tokens to a
-%D preamble.
-%D
-%D \macros
-%D {useJSpreamblenow}
-%D
-%D This macro can be used to force inclusion of postponed
-%D \JAVASCRIPT\ preambles.
-
-\unexpanded\def\startJScode
- {\begingroup\obeylualines\obeyluatokens\dostartJScode}
-
-\long\def\dostartJScode#1\stopJScode
- {\normalexpanded{\endgroup\ctxlua{interactions.javascripts.storecode(\!!bs#1\!!es)}}}
-
-\let\stopJScode\relax
-
-\unexpanded\def\startJSpreamble
- {\begingroup\obeylualines\obeyluatokens\dostartJSpreamble}
-
-\long\def\dostartJSpreamble#1\stopJSpreamble
- {\normalexpanded{\endgroup\ctxlua{interactions.javascripts.storepreamble(\!!bs#1\!!es)}}}
-
-\let\stopJSpreamble\relax
-
-\def\setJSpreamble #1#2{\ctxlua{interactions.javascripts.storepreamble ("#1",\!!bs#2\!!es)}}
-\def\addtoJSpreamble #1#2{\ctxlua{interactions.javascripts.addtopreamble ("#1",\!!bs#2\!!es)}}
-\def\useJSpreamblenow #1{\ctxlua{interactions.javascripts.usepreamblenow("#1")}}
-
-%D \macros
-%D {useJSscripts}
-%D
-%D In due time, users will build their collections of scripts,
-%D which can be used (loaded) when applicable. Although not all
-%D public, we will provide some general purpose scripts,
-%D collected in files with names like \type{java-...}. One can
-%D load these scripts with \type{\useJSscripts}, like:
-%D
-%D \starttyping
-%D \useJSscripts[fld]
-%D \stoptyping
-%D
-%D The not so complicated implementation of this macro is:
-
-\def\dodouseJSscripts#1%
- {\doifelse{#1}\v!reset
- {\let\allJSpreambles\empty}
- {\ifcsname\c!file\f!javascriptprefix#1\endcsname \else
- \startnointerference
- \letgvalueempty{\c!file\f!javascriptprefix#1}%
- \startreadingfile
- \readsysfile{\truefilename{\f!javascriptprefix#1}}{\showmessage\m!javascript1{#1}}\donothing
- \stopreadingfile
- \stopnointerference
- \fi}}
-
-\def\douseJSscripts[#1][#2]%
- {\processcommalist[#1]\dodouseJSscripts
- \processcommalist[#2]\useJSpreamblenow}
-
-\def\useJSscripts
- {\dodoubleempty\douseJSscripts}
-
-\protect \endinput