relocate context-gantt

git-svn-id: svn://tug.org/texlive/trunk@23789 c570f23f-e606-0410-a88d-b1316a301751

3 files changed, 704 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/context/third/gantt/gantt-s-mp.tex b/Master/texmf-dist/tex/context/third/gantt/gantt-s-mp.tex
new file mode 100644
index 00000000000..f41f534ec29
--- /dev/null
+++ b/Master/texmf-dist/tex/context/third/gantt/gantt-s-mp.tex
@@ -0,0 +1,370 @@
+%D \module
+%D   [     file=t-gantt,
+%D      version=2011.08.27,
+%D        title=\CONTEXT\ User Module,
+%D     subtitle=Drawing gantt diagrams,
+%D       author={Adam Reviczky},
+%D         date=\currentdate,
+%D    copyright=Adam Reviczky,
+%D      license=Public Domain]
+
+%D Some macros for drawing gantt diagrams using MetaPost.
+%D
+%D Adam Reviczky, 27.08.2011 (Version 3.2)
+
+\writestatus{loading}{ConTeXt User Module / Drawing gantt diagrams}
+
+\startmodule[gantt-s-mp]
+\unprotect
+
+\def\????gantt{@@@@gantt}
+
+\definesystemvariable{gantt}
+
+\startMPinclusions
+  % temporary solution for a pattern substitute
+  input mp-hatching;
+\stopMPinclusions
+
+\newcount\ganttnum
+\newcount\gantttitlenum
+\newcount\ganttwidth
+
+\newdimen\ganttlastx \ganttlastx = 0cm
+\newdimen\nextganttlastx
+\newdimen\titleunitlength \titleunitlength = 1cm
+\newdimen\ganttunitlength \ganttunitlength = 1cm
+
+\newdimen\gantttmpa
+\newdimen\gantttmpb
+
+% workaround for titleelement
+\def\!!row{\numexpr\ganttnum*-1\relax}
+
+\def\setupgantt
+        {\bgroup
+         \catcode`\#=\@@other
+         \dosingleempty
+         \dosetupgantt}
+
+\def\dosetupgantt[#1]%
+        {\egroup
+         \getparameters[\??gantt][#1]}
+
+\setupgantt
+        [sx=1,
+         sy=1,
+         xunitlength=1cm,
+         fontsize=\tf,
+         titlefontsize=\tfx,
+         drawledgerline=false]
+
+\def\setupganttbar
+        {\bgroup
+         \catcode`\#=\@@other
+         \dosingleempty
+         \dosetupganttbar}
+
+\def\dosetupganttbar[#1]%
+        {\egroup
+         \getparameters[\??gantt][#1]}
+
+\setupganttbar
+        [pattern=north east lines,
+         color=black]
+
+% The gantt environment draws the canvas of a gantt figure (realized as tikzpicture)
+% The usage is \startgantt[...]{no of Tasks to plot}{no of time slots}
+% The optional argument [...] can be filled in a key=value syntax, using one or more of the following keys:
+%
+% xunitlength - length of one time slot (default: 1cm)
+% fontsize - fontsize of labels (default: \tf)
+% titlefontsize - fontsize of title section (default: \tfx)
+% drawledgerline  - Switch to enable/disable the drawing of horizontal ledger lines (default value: false)
+\long\def\dostartgantt[#1]#2#3%
+  {\getparameters[\??gantt][#1]%
+   \gdef\v!sx{\@@ganttsx}
+   \gdef\v!sy{\@@ganttsy}
+   \gdef\v!ganttunitlength{\@@ganttxunitlength}
+   \gdef\v!fontsize{\getvalue{@@ganttfontsize}}
+   \gdef\v!titlefontsize{\getvalue{@@gantttitlefontsize}}
+   \gdef\v!drawledgerline{\@@ganttdrawledgerline}
+
+   \bgroup
+   \newcount\ganttx \ganttx=0
+   \newcount\ganttheight
+
+   \def\ganttxstringtop{}
+   \def\ganttxstringbottom{}
+
+   \global\ganttwidth=#3
+   \global\ganttnum=0
+
+   \ganttheight=#2
+   \advance\ganttheight by 1
+
+   \startMPdrawing
+     linecap := squared;
+     linejoin := mitered;
+
+     draw (0,0.5cm)--(0,1.4cm-\the\ganttheight*cm);
+     draw (\the\ganttwidth*\v!ganttunitlength,0.5cm)--(\the\ganttwidth*\v!ganttunitlength,1.4cm-\the\ganttheight*cm);
+     % draw x axis
+     draw (0cm,-#2*cm+0.4cm)--(\the\ganttwidth*\v!ganttunitlength,-#2*cm+0.4cm);
+
+     % draw grid
+     for t=1 upto \the\ganttwidth:
+       draw (\v!ganttunitlength*t,-0.5cm)--(\v!ganttunitlength*t,1.4cm-\the\ganttheight*cm) dashed withdots;
+     endfor
+   \stopMPdrawing
+   \egroup
+  }
+
+\def\startgantt%
+  {\dosingleempty\dostartgantt}
+
+\def\stopgantt%
+  {\startMPdrawing
+     % debug
+     % draw bbox currentpicture withcolor .625red;
+   \stopMPdrawing
+   \scale[sx=\v!sx,sy=\v!sy]{\MPdrawingdonetrue\getMPdrawing}
+   }
+
+% ganttitle is the environment for drawing the title section
+\definestartstop[ganttitle][
+  before={
+    \ganttlastx = 0cm
+  },
+  after={
+    \ganttlastx = 0cm
+    \doglobal\decrement\ganttnum
+  }
+  ]
+
+% \titleelement draws one element of the title
+% usage: \titleelement{label}{length}
+\long\def\dotitleelement#1#2%
+  {\gantttmpa=\dimexpr\v!ganttunitlength*#2\relax
+   \divide\gantttmpa by 2
+
+   \startMPdrawing
+     draw (\the\ganttlastx,0.5cm-\the\!!row*cm)--(\the\ganttlastx+#2*\v!ganttunitlength,0.5cm-\the\!!row*cm)--(\the\ganttlastx+#2*\v!ganttunitlength,0.5cm-0.6cm-\the\!!row*cm)--(\the\ganttlastx,0.5cm-0.6cm-\the\!!row*cm)--cycle;
+     path diam; diam = (\the\ganttlastx,0.5cm-\the\!!row*cm)--(\the\ganttlastx+#2*\v!ganttunitlength,0.5cm-0.6cm-\the\!!row*cm);
+     label (btex \getvalue{v!titlefontsize} #1 etex, center diam);
+   \stopMPdrawing
+
+   \ganttlastx=\dimexpr\ganttlastx+\v!ganttunitlength*#2\relax
+  }
+
+\def\titleelement%
+  {\dotitleelement}
+
+% \numtitle draws a numbered sequence of title elements
+% usage: \numtitle{start number}{increment}{end number}{length of each title element}
+\long\def\donumtitle#1#2#3#4%
+  {\gantttitlenum=#1
+   \dostepwiserecurse{#1}{#3}{#2}{
+     \titleelement{\the\gantttitlenum}{#4} 
+     \advance\gantttitlenum by #2
+   }
+  }
+
+\def\numtitle%
+  {\donumtitle}
+
+% \ganttbar draws a single, unconnected bar for representing a task
+% usage: \ganttbar[pattern=<pattern>,color=<color>]{label}{start}{length}
+% where the optional comma separated arguments are:
+% pattern - not implemented with MetaPost yet! (FIXME)
+% color - a color of the pattern (e.g. red, green blue gray, dark gray)
+\long\def\doganttbar[#1]#2#3#4%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!pattern{\@@ganttpattern}
+   \edef\v!color{\@@ganttcolor}
+
+   \gantttmpa=\dimexpr\v!ganttunitlength*#3\relax
+   \gantttmpb=\dimexpr\v!ganttunitlength*#4+\gantttmpa\relax
+
+   \doif{\v!drawledgerline}{true}{
+   \startMPdrawing
+     draw (0,\ganttnum*cm-0.2cm)--(\the\ganttwidth*\v!ganttunitlength,\ganttnum*cm-0.2cm) dashed withdots;
+   \stopMPdrawing
+   }
+   \startMPdrawing
+     path diag; diag = (0,\ganttnum*cm+0.1cm)--(0,\ganttnum*cm+0.5cm);
+     label.lft (btex \getvalue{v!fontsize} #2 etex, center diag);
+     path f; f := (\the\gantttmpa,\ganttnum*cm+0.1cm)--(\the\gantttmpb,\ganttnum*cm+0.1cm)--(\the\gantttmpb,\ganttnum*cm+0.5cm)--(\the\gantttmpa,\ganttnum*cm+0.5cm)--cycle;
+
+     hatchoptions(withcolor \v!color);
+     draw f withcolor black;
+     % workaround for transparent bug
+     % hatchfill f withcolor transparent("normal",0,white) withcolor (45,1mm,-0.5bp);
+     hatchfill f withcolor (45,1mm,-0.5bp);
+   \stopMPdrawing
+
+   \global\ganttlastx=\gantttmpb
+   \doglobal\decrement\ganttnum
+   \egroup
+  }
+
+\def\ganttbar
+  {\dosingleempty\doganttbar}
+
+% \ganttcon draws an arrow between to bars with specified coordinates
+% usage: \ganttcon{startx}{starty}{endx}{endy}
+\long\def\doganttcon#1#2#3#4%
+  {\bgroup
+   \startMPdrawing
+     begingroup;
+       interim linecap := squared;
+       interim linejoin := rounded;
+
+       drawarrow (#1*\v!ganttunitlength,-#2*cm+0.1cm+0.2cm)--(#1*\v!ganttunitlength+0.4*\v!ganttunitlength,-#2*cm+0.1*cm+0.2*cm)--(#1*\v!ganttunitlength+0.4*\v!ganttunitlength,-#2*cm-0.4*cm+0.2*cm)--(#1*\v!ganttunitlength-0.4*\v!ganttunitlength,-#2*cm-0.4*cm+0.2*cm)--(#1*\v!ganttunitlength-0.4*\v!ganttunitlength,-#4*cm+0.1*cm+0.2*cm)--(#3*\v!ganttunitlength,-#4*cm+0.1*cm+0.2*cm);
+     endgroup;
+   \stopMPdrawing
+   \egroup
+  }
+
+\def\ganttcon
+  {\doganttcon}
+
+% \ganttbarcon draws a single bar *and* connects the bar with the previous bar for
+% consecutive tasks
+% usage: \ganttbarcon[pattern=<pattern>,color=<color>]{label}{start}{length}
+% where the optional pattern argument are the same as for \ganttbar
+\long\def\doganttbarcon[#1]#2#3#4%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!pattern{\@@ganttpattern}
+   \edef\v!color{\@@ganttcolor}
+
+   \nextganttlastx = \dimexpr\ganttlastx+\ganttunitlength*1\relax
+   \ifdim\nextganttlastx>\dimexpr\v!ganttunitlength*#3\relax
+     \startMPdrawing
+     begingroup;
+       interim linecap := squared;
+       interim linejoin := rounded;
+
+       drawarrow (\the\ganttlastx,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+0.6*cm+0.2*cm)--(\the\ganttlastx-0.4*\v!ganttunitlength,\ganttnum*cm+0.6*cm+0.2*cm)--(\the\ganttlastx-0.4*\v!ganttunitlength,\ganttnum*cm+0.1*cm+0.2*cm)--(#3*\v!ganttunitlength,\ganttnum*cm+0.1*cm+0.2*cm);
+     endgroup;
+     \stopMPdrawing
+   \else
+     \startMPdrawing
+     begingroup;
+       interim linecap := squared;
+       interim linejoin := rounded;
+
+       drawarrow (\the\ganttlastx,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+0.1*cm+0.2*cm)--(#3*\v!ganttunitlength,\ganttnum*cm+0.1*cm+0.2*cm);
+     endgroup;
+     \stopMPdrawing
+   \fi
+
+   \ganttbar[#1]{#2}{#3}{#4}
+   \egroup
+  }
+
+\def\ganttbarcon
+  {\dosingleempty\doganttbarcon}
+
+% \ganttgroup draws a bar to group tasks
+% usage: \ganttgroup{label}{start}{length}
+\long\def\doganttgroup#1#2#3%
+  {\bgroup
+   \gantttmpa=\dimexpr\v!ganttunitlength*#2\relax
+   \gantttmpb=\dimexpr\v!ganttunitlength*#3+\gantttmpa\relax
+
+   \doif{\v!drawledgerline}{true}{
+     \startMPdrawing
+       draw (0,\ganttnum*cm-0.2cm)--(\the\ganttwidth*\v!ganttunitlength,\ganttnum*cm-0.2cm) dashed withdots;
+     \stopMPdrawing
+   }
+   \startMPdrawing
+     pen diamond; diamond := makepen fulldiamond;
+     path diag; diag = (0,\ganttnum*cm+0.1cm)--(0,\ganttnum*cm+0.5cm);
+     label.lft (btex \getvalue{v!fontsize}\bf #1 etex, center diag); 
+     fill (\the\gantttmpa-0.14*cm,\ganttnum*cm+0.2cm)--(\the\gantttmpb+0.14*cm,\ganttnum*cm+0.2cm)--(\the\gantttmpb+0.14*cm,\ganttnum*cm+0.4cm)--(\the\gantttmpa-0.14*cm,\ganttnum*cm+0.4cm)--cycle withcolor black;
+     fill fulldiamond scaled 0.3cm shifted (\the\gantttmpa+0.01cm,\ganttnum*cm+0.2cm) withcolor black;
+     fill fulldiamond scaled 0.3cm shifted (\the\gantttmpb-0.01cm,\ganttnum*cm+0.2cm) withcolor black;
+   \stopMPdrawing
+
+   \global\ganttlastx=\gantttmpb
+   \doglobal\decrement\ganttnum
+   \egroup
+  }
+
+\def\ganttgroup
+  {\doganttgroup}
+
+% \ganttmilestone, draw a diamond to represent a milestone
+% usage: \ganttgroup[color=<color>]{label}{start}
+% color - a tikz color of the pattern (e.g. red, green blue gray, dark gray)
+% for more information see the tikz documentation
+
+% Declaring layers to abvoid superposition when you connect a \ganttmileston with a task
+\long\def\doganttmilestone[#1]#2#3%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!color{\@@ganttcolor}
+
+   \gantttmpa=\dimexpr\v!ganttunitlength*#3\relax
+   \gantttmpb=\dimexpr\v!ganttunitlength*0+\gantttmpa\relax
+
+   \doif{\v!drawledgerline}{true}{
+     \startMPdrawing
+       draw (0,\ganttnum*cm-0.2cm)--(\the\ganttwidth*\v!ganttunitlength,\ganttnum*cm-0.2cm) dashed withdots;
+     \stopMPdrawing
+   }
+   \startMPdrawing
+     pen diamond; diamond := makepen fulldiamond;
+     path diag; diag = (0,\ganttnum*cm+0.1cm)--(0,\ganttnum*cm+0.5cm);
+     label.lft (btex \getvalue{v!fontsize} #2 etex, center diag);
+     fill fulldiamond scaled 0.3cm shifted (\the\gantttmpb,\ganttnum*cm+0.3cm) withcolor \v!color;
+   \stopMPdrawing
+
+   \global\ganttlastx=\gantttmpb
+   \doglobal\decrement\ganttnum
+   \egroup
+  }
+
+\def\ganttmilestone
+  {\dosingleempty\doganttmilestone}
+
+% \ganttmilestonecon draws a single diamond *and* connects the diamond with the previous task
+% usage: \ganttmilestonecon[color=<color>]{label}{start}{length}
+% where the optional color argument are the same as for \ganttbar and \ganttmilestone
+\long\def\doganttmilestonecon[#1]#2#3%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!color{\@@ganttcolor}
+
+   \nextganttlastx = \dimexpr\ganttlastx+\ganttunitlength*1\relax
+   \ifdim\nextganttlastx>\dimexpr\v!ganttunitlength*#3\relax
+     \startMPdrawing
+     begingroup;
+       interim linecap := squared;
+       interim linejoin := rounded;
+
+       drawarrow (\the\ganttlastx,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+0.6*cm+0.2*cm)--(\the\ganttlastx-0.4*\v!ganttunitlength-0.14*cm,\ganttnum*cm+0.6*cm+0.2*cm)--(\the\ganttlastx-0.4*\v!ganttunitlength-0.14*cm,\ganttnum*cm+0.1*cm+0.2*cm)--(#3*\v!ganttunitlength-0.14*cm,\ganttnum*cm+0.1*cm+0.2*cm);
+     endgroup;
+     \stopMPdrawing
+   \else
+     \startMPdrawing
+     begingroup;
+       interim linecap := squared;
+       interim linejoin := rounded;
+
+       drawarrow (\the\ganttlastx,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+1.1*cm+0.2*cm)--(\the\ganttlastx+0.4*\v!ganttunitlength,\ganttnum*cm+0.1*cm+0.2*cm)--(#3*\v!ganttunitlength-0.14*cm,\ganttnum*cm+0.1*cm+0.2*cm);
+     endgroup;
+     \stopMPdrawing
+   \fi
+
+   \ganttmilestone[#1]{#2}{#3}
+   \egroup
+  }
+
+\def\ganttmilestonecon
+  {\dosingleempty\doganttmilestonecon}
+
+\protect \stopmodule
diff --git a/Master/texmf-dist/tex/context/third/gantt/gantt-s-tikz.tex b/Master/texmf-dist/tex/context/third/gantt/gantt-s-tikz.tex
new file mode 100644
index 00000000000..49031499829
--- /dev/null
+++ b/Master/texmf-dist/tex/context/third/gantt/gantt-s-tikz.tex
@@ -0,0 +1,312 @@
+%D \module
+%D   [     file=t-gantt-tikz,
+%D      version=2011.08.27,
+%D        title=\CONTEXT\ User Module,
+%D     subtitle=Drawing gantt diagrams,
+%D       author={Adam Reviczky},
+%D         date=\currentdate,
+%D    copyright=Adam Reviczky,
+%D      license=GNU GPL 2.0]
+
+%D Some macros for drawing gantt diagrams using TikZ.
+%D
+%D Adam Reviczky, 27.08.2011 (Version 2.1)
+%D Andrés Silva Marambio, 20.03.2011 (Version 1.3)
+%D Alan Munn, Martin Kumm, 14.03.2011 (Version 1.2)
+
+\writestatus{loading}{ConTeXt User Module / Drawing gantt diagrams}
+
+\startmodule[gantt-s-tikz]
+\unprotect
+
+\def\????gantt-tikz{@@@@gantt-tikz}
+
+\usemodule[tikz,pgffor]
+\usetikzlibrary[arrows,patterns]
+
+\definesystemvariable{gantt}
+
+\newcount\ganttnum
+\newcount\gantttitlenum
+\newcount\ganttwidth
+
+\newdimen\ganttlastx \ganttlastx = 0cm
+\newdimen\nextganttlastx
+\newdimen\titleunitlength \titleunitlength = 1cm
+\newdimen\ganttunitlength \ganttunitlength = 1cm
+
+\newdimen\gantttmpa
+\newdimen\gantttmpb
+
+\def\setupgantt
+        {\bgroup
+         \catcode`\#=\@@other
+         \dosingleempty
+         \dosetupgantt}
+
+\def\dosetupgantt[#1]%
+        {\egroup
+         \getparameters[\??gantt][#1]}
+
+\setupgantt
+        [xunitlength=1cm,
+         fontsize=\tf,
+         titlefontsize=\tfx,
+         drawledgerline=false]
+
+\def\setupganttbar
+        {\bgroup
+         \catcode`\#=\@@other
+         \dosingleempty
+         \dosetupganttbar}
+
+\def\dosetupganttbar[#1]%
+        {\egroup
+         \getparameters[\??gantt][#1]}
+
+\setupganttbar
+        [pattern=north east lines,
+         color=black]
+
+% The gantt environment draws the canvas of a gantt figure (realized as tikzpicture)
+% The usage is \startgantt[...]{no of Tasks to plot}{no of time slots}
+% The optional argument [...] can be filled in a key=value syntax, using one or more of the following keys:
+%
+% xunitlength - length of one time slot (default: 1 cm)
+% fontsize - fontsize of labels (default: \tf)
+% titlefontsize - fontsize of title section (default: \tfx)
+% drawledgerline  - Switch to enable/disable the drawing of horizontal ledger lines (default value: false)
+
+\long\def\dostartgantt[#1]#2#3%
+  {\getparameters[\??gantt][#1]%
+   \gdef\v!ganttunitlength{\getvalue{@@ganttxunitlength}}
+   \gdef\v!fontsize{\getvalue{@@ganttfontsize}}
+   \gdef\v!titlefontsize{\getvalue{@@gantttitlefontsize}}
+   \gdef\v!drawledgerline{\@@ganttdrawledgerline}
+
+   \bgroup
+   \tikzstyle{time}=[coordinate]
+
+   \newcount\ganttx \ganttx=0
+   \newcount\ganttheight
+
+   \def\ganttxstringtop{}
+   \def\ganttxstringbottom{}
+
+   \global\ganttwidth=#3
+   \global\ganttnum=0
+
+   \ganttheight=#2
+   \advance\ganttheight by 1;
+
+   \draw (0,0.5) node[above] {\ganttxstringtop} -- (0,1.4-\ganttheight)  node[below] {\ganttxstringbottom};
+   \draw (\ganttwidth*\v!ganttunitlength,0.5) node[above] {\ganttxstringtop} -- (\ganttwidth*\v!ganttunitlength,1.4-\ganttheight)  node[below] {\ganttxstringbottom};
+
+   % draw grid
+   \foreach \!!t in {1,2,...,\ganttwidth}{
+     \draw[dotted] (\v!ganttunitlength*\!!t,-0.5) node[above] {\ganttxstringtop} -- (\v!ganttunitlength*\!!t,1.4-\ganttheight)  node[below] {\ganttxstringbottom};
+   }
+
+   % draw x axis
+   \draw[] (0,-#2+0.4) -- (\ganttwidth*\v!ganttunitlength,-#2+0.4);
+   \egroup
+  }
+
+\def\startgantt%
+  {\starttikzpicture[draw=black,yscale=.7,xscale=1]
+   \dosingleempty\dostartgantt}
+
+\def\stopgantt%
+  {\stoptikzpicture}
+
+% ganttitle is the environment for drawing the title section
+\definestartstop[ganttitle][
+  before={
+    \ganttlastx = 0cm
+  },
+  after={
+    \ganttlastx = 0cm
+    \doglobal\decrement\ganttnum 
+  }
+  ]
+
+% \titleelement draws one element of the title
+% usage: \titleelement{label}{length}
+\long\def\dotitleelement#1#2%
+  {\gantttmpa=\dimexpr\v!ganttunitlength*#2\relax
+   \divide\gantttmpa by 2;
+
+   \def\!!xoffset{1.5}
+
+   \draw (\ganttlastx,\ganttnum) rectangle (\ganttlastx+#2*\v!ganttunitlength,\ganttnum+0.6);
+   \node [text height=1.5ex,text depth=0.7ex] at (\ganttlastx+\gantttmpa-\!!xoffset,\ganttnum+0.25) {%
+     \getvalue{v!titlefontsize} #1%
+   };
+
+   \ganttlastx=\dimexpr\ganttlastx+\v!ganttunitlength*#2\relax
+  }
+
+\def\titleelement%
+  {\dotitleelement}
+
+% \numtitle draws a numbered sequence of title elements
+% usage: \numtitle{start number}{increment}{end number}{length of each title element}
+\long\def\donumtitle#1#2#3#4%
+  {\gantttitlenum=#1
+   \dostepwiserecurse{#1}{#3}{#2}{
+     \titleelement{\the\gantttitlenum}{#4} 
+     \advance\gantttitlenum by #2;
+   }
+  }
+
+\def\numtitle%
+  {\donumtitle}
+
+% \ganttbar draws a single, unconnected bar for representing a task
+% usage: \ganttbar[pattern=<pattern>,color=<color>]{label}{start}{length}
+% where the optional comma separated arguments are:
+% pattern - is a tikz pattern (e.g. north east lines (default), north west lines, crosshatch, crosshatch dots, grid, ...)
+% color - a tikz color of the pattern (e.g. red, green blue gray, dark gray)
+% for more information see the tikz documentation
+\long\def\doganttbar[#1]#2#3#4%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!pattern{\@@ganttpattern}
+   \edef\v!color{\@@ganttcolor}
+
+   \gantttmpa=\dimexpr\v!ganttunitlength*#3\relax
+   \gantttmpb=\dimexpr\v!ganttunitlength*#4+\gantttmpa\relax
+
+   \doif{\v!drawledgerline}{true}{
+     \draw[dotted] (0,\ganttnum-0.2) -- (\ganttwidth*\v!ganttunitlength,\ganttnum-0.2);
+   }
+   \node at (0,\ganttnum) [anchor=base east] {%
+     \getvalue{v!fontsize} #2%
+   };
+   \draw[pattern=\v!pattern,pattern color=\v!color] (\gantttmpa,\ganttnum+0.1) rectangle (\gantttmpb,\ganttnum+0.5);
+   \global\ganttlastx=\gantttmpb
+   \doglobal\decrement\ganttnum
+   \egroup
+  }
+
+\def\ganttbar
+        {\dosingleempty\doganttbar}
+
+% \ganttcon draws an arrow between to bars with specified coordinates
+% usage: \ganttcon{startx}{starty}{endx}{endy}
+\long\def\doganttcon#1#2#3#4%
+  {\bgroup
+   \draw[-latex,rounded corners=1pt] (#1*\v!ganttunitlength,-#2+0.1+0.2) -- (#1*\v!ganttunitlength+0.4*\v!ganttunitlength,-#2+0.1+0.2) -- (#1*\v!ganttunitlength+0.4*\v!ganttunitlength,-#2-0.4+0.2) -- (#1*\v!ganttunitlength-0.4*\v!ganttunitlength,-#2-0.4+0.2) -- (#1*\v!ganttunitlength-0.4*\v!ganttunitlength,-#4+0.1+0.2) -- (#3*\v!ganttunitlength,-#4+0.1+0.2);
+   \egroup
+  }
+
+\def\ganttcon
+        {\doganttcon}
+
+% \ganttbarcon draws a single bar *and* connects the bar with the previous bar for
+% consecutive tasks
+% usage: \ganttbarcon[pattern=<pattern>,color=<color>]{label}{start}{length}
+% where the optional pattern argument are the same as for \ganttbar
+\long\def\doganttbarcon[#1]#2#3#4%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!pattern{\@@ganttpattern}
+   \edef\v!color{\@@ganttcolor}
+
+   \nextganttlastx = \dimexpr\ganttlastx+\ganttunitlength*1\relax
+   \ifdim\nextganttlastx>\dimexpr\v!ganttunitlength*#3\relax
+     \draw[-latex,rounded corners=1pt] (\ganttlastx,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+0.6+0.2) -- (\ganttlastx-0.4*\v!ganttunitlength,\ganttnum+0.6+0.2) -- (\ganttlastx-0.4*\v!ganttunitlength,\ganttnum+0.1+0.2) -- (#3*\v!ganttunitlength,\ganttnum+0.1+0.2);
+   \else
+     \draw[-latex,rounded corners=1pt] (\ganttlastx,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+0.1+0.2) -- (#3*\v!ganttunitlength,\ganttnum+0.1+0.2);
+   \fi
+
+   %hbox overfull!
+   \ganttbar[#1]{#2}{#3}{#4}
+   \egroup
+  }
+
+\def\ganttbarcon
+        {\dosingleempty\doganttbarcon}
+
+% \ganttgroup draws a bar to group tasks
+% usage: \ganttgroup{label}{start}{length}
+\long\def\doganttgroup#1#2#3%
+  {\bgroup
+   \gantttmpa=\dimexpr\v!ganttunitlength*#2\relax
+   \gantttmpb=\dimexpr\v!ganttunitlength*#3+\gantttmpa\relax
+
+   \doif{\v!drawledgerline}{true}{
+     \draw[dotted] (0,\ganttnum-0.2) -- (\ganttwidth*\v!ganttunitlength,\ganttnum-0.2);
+   }
+   \node at (0,\ganttnum) [anchor=base east] {%
+     \getvalue{v!fontsize}\bf #1%
+   };
+   \fill[black] (\gantttmpa-0.14cm,\ganttnum+0.2) rectangle (\gantttmpb+0.14cm,\ganttnum+0.4);
+   \draw[diamond-diamond] (\gantttmpa-0.14cm,\ganttnum+0.2) -- (\gantttmpb+0.14cm,\ganttnum+0.2);
+
+   \global\ganttlastx=\gantttmpb
+   \doglobal\decrement\ganttnum
+   \egroup
+  }
+
+\def\ganttgroup
+        {\doganttgroup}
+
+% \ganttmilestone, draw a diamond to represent a milestone
+% usage: \ganttmilestone[color=<color>]{label}{start}
+% color - a tikz color of the pattern (e.g. red, green blue gray, dark gray)
+% for more information see the tikz documentation
+
+% Declaring layers to abvoid superposition when you connect a \ganttmileston with a task
+\pgfdeclarelayer{background}
+\pgfdeclarelayer{foreground}
+\pgfsetlayers{background,main,foreground}
+
+\long\def\doganttmilestone[#1]#2#3%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!color{\@@ganttcolor}
+
+   \gantttmpa=\dimexpr\v!ganttunitlength*#3\relax
+   \gantttmpb=\dimexpr\v!ganttunitlength*0+\gantttmpa\relax
+
+   \doif{\v!drawledgerline}{true}{
+     \draw[dotted] (0,\ganttnum-0.2) -- (\ganttwidth*\v!ganttunitlength,\ganttnum-0.2);
+   }
+   \node at (0,\ganttnum) [anchor=base east] {%
+     \getvalue{v!fontsize} #2%
+   };
+   \pgfonlayer{foreground}
+   \draw[diamond-, color=\v!color] (\gantttmpa,\ganttnum+0.1) -- (\gantttmpb,\ganttnum+0.4);
+   \endpgfonlayer
+   \global\ganttlastx=\gantttmpb
+   \doglobal\decrement\ganttnum
+   \egroup
+  }
+
+\def\ganttmilestone
+        {\dosingleempty\doganttmilestone}
+
+% \ganttmilestonecon draws a single diamond *and* connects the diamond with the previous task
+% usage: \ganttmilestonecon[color=<color>]{label}{start}
+% where the optional color argument are the same as for \ganttbar and \ganttmilestone
+\long\def\doganttmilestonecon[#1]#2#3%
+  {\bgroup
+   \getparameters[\??gantt][#1]%
+   \edef\v!color{\@@ganttcolor}
+
+   \nextganttlastx = \dimexpr\ganttlastx+\ganttunitlength*1\relax
+   \ifdim\nextganttlastx>\dimexpr\v!ganttunitlength*#3\relax
+     \draw[-latex,rounded corners=1pt] (\ganttlastx,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+0.6+0.2) -- (\ganttlastx-0.4*\v!ganttunitlength-1.8,\ganttnum+0.6+0.2) -- (\ganttlastx-0.4*\v!ganttunitlength-1.8,\ganttnum+0.1+0.2) -- (#3*\v!ganttunitlength-1.8,\ganttnum+0.1+0.2);
+   \else
+     \draw[-latex,rounded corners=1pt] (\ganttlastx,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+1.1+0.2) -- (\ganttlastx+0.4*\v!ganttunitlength,\ganttnum+0.1+0.2) -- (#3*\v!ganttunitlength-1.8,\ganttnum+0.1+0.2);
+   \fi
+
+   \ganttmilestone[#1]{#2}{#3}
+   \egroup
+  }
+
+\def\ganttmilestonecon
+        {\dosingleempty\doganttmilestonecon}
+
+\protect \stopmodule
diff --git a/Master/texmf-dist/tex/context/third/gantt/t-gantt.tex b/Master/texmf-dist/tex/context/third/gantt/t-gantt.tex
new file mode 100644
index 00000000000..ab5a4258d67
--- /dev/null
+++ b/Master/texmf-dist/tex/context/third/gantt/t-gantt.tex
@@ -0,0 +1,22 @@
+%D \module
+%D   [      file=t-gantt,
+%D        version=2011.08.28
+%D          title=\CONTEXT\ Module,
+%D       subtitle=Gantt Module,
+%D         author=Adam Reviczky,
+%D           date=\currentdate,
+%D      copyright=Adam Reviczky]
+
+\writestatus{loading}{module gantt}
+
+\startmodule[gantt]
+
+\unprotect
+\setupmodule[style=]
+
+\doifdefinedelse{\currentmoduleparameter\c!style}
+  {\usemodule[gantt-s][mp]}
+  {\usemodule[gantt-s][\currentmoduleparameter\c!style]}
+
+\protect
+\stopmodule