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* [PATCH] Addition to Library of Babel
@ 2010-11-11 20:50 Thomas S. Dye
  2010-11-12 23:38 ` Eric Schulte
  0 siblings, 1 reply; 2+ messages in thread
From: Thomas S. Dye @ 2010-11-11 20:50 UTC (permalink / raw)
  To: Emacs Org mode mailing list


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Add Eric Fraga's GANTT chart code to the Library of Babel.



Thomas S. Dye, Ph.D.
T. S. Dye & Colleagues, Archaeologists, Inc.
Phone: (808) 529-0866 Fax: (808) 529-0884
http://www.tsdye.com



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Changes from master to gantt
	Modified contrib/babel/library-of-babel.org
diff --git a/contrib/babel/library-of-babel.org b/contrib/babel/library-of-babel.org
index 07c40aa..0f2173e 100644
--- a/contrib/babel/library-of-babel.org
+++ b/contrib/babel/library-of-babel.org
@@ -286,11 +286,98 @@ are optional.
 #+begin_src python
 a
 #+end_src
-
 #+srcname: python-add(a=1, b=2)
 #+begin_src python
 a + b
 #+end_src
-
+* GANTT Charts
+
+The =elispgantt= source block was sent to the mailing list by Eric
+Fraga.  It was modified slightly by Tom Dye.
+ 
+#+source: elispgantt
+#+begin_src emacs-lisp :var table=gantttest
+(defun esf/generate-gantt-chart (table)
+  (let ((dates "")
+	(entries (nthcdr 2 table))
+	(milestones "")
+	(nmilestones 0)
+	(ntasks 0)
+	(projecttime 0)
+	(tasks "")
+	(xlength 1)
+	)
+    (message "Initial: %s\n" table)
+    (message "Entries: %s\n" entries)
+    (while entries
+      (let ((entry (first entries)))
+	(if (listp entry)
+	    (let ((id (first entry))
+		  (type (nth 1 entry))
+		  (label (nth 2 entry))
+		  (task (nth 3 entry))
+		  (dependencies (nth 4 entry))
+		  (start (nth 5 entry))
+		  (duration (nth 6 entry))
+		  (end (nth 7 entry))
+		  (alignment (nth 8 entry))
+		  )
+	      (if (> start projecttime) (setq projecttime start))
+	      (if (string= type "task")
+		  (let ((end (+ start duration))
+			(textposition (+ start (/ duration 2)))
+			(flush "")
+			)
+		    (if (string= alignment "left")
+			(progn
+			  (setq textposition start)
+			  (setq flush "[left]"))
+		      (if (string= alignment "right")
+			  (progn
+			    (setq textposition end)
+			    (setq flush "[right]"))
+			)
+		      )
+		    (setq tasks (format "%s  \\gantttask{%s}{%s}{%d}{%d}{%d}{%s}\n" tasks label task start end textposition flush))
+		    (setq ntasks (+ 1 ntasks))
+		    (if (> end projecttime)
+			(setq projecttime end))
+		    )
+		(if (string= type "milestone")
+		    (progn
+		      (setq milestones (format "%s  \\ganttmilestone{$\\begin{array}{c}\\mbox{%s}\\\\ \\mbox{%s}\\end{array}$}{%d}\n" milestones label task start))
+		      (setq nmilestones (+ 1 nmilestones)))
+		  (if (string= type "date")
+		      (setq dates (format "%s  \\ganttdateline{%s}{%d}\n" dates label start))
+		    (message "Ignoring entry with type %s\n" type)
+		    )
+		  )
+		)
+	      )
+	  (message "Ignoring non-list entry %s\n" entry)
+	  ) ; end if list entry
+	(setq entries (cdr entries))
+	)
+      ) ; end while entries left
+    (format "\\pgfdeclarelayer{background}
+\\pgfdeclarelayer{foreground}
+\\pgfsetlayers{background,foreground}
+\\renewcommand{\\ganttprojecttime}{%d}
+\\renewcommand{\\ganttntasks}{%d}
+\\noindent
+\\begin{tikzpicture}[y=-0.75cm,x=0.75\\textwidth]
+  \\begin{pgfonlayer}{background}
+    \\draw[very thin, red!10!white] (0,1+\\ganttntasks) grid [ystep=0.75cm,xstep=1/\\ganttprojecttime] (1,0);
+    \\draw[\\ganttdatelinecolour] (0,0) -- (1,0);
+    \\draw[\\ganttdatelinecolour] (0,1+\\ganttntasks) -- (1,1+\\ganttntasks);
+  \\end{pgfonlayer}
+%s
+%s
+%s
+\\end{tikzpicture}" projecttime ntasks tasks milestones dates)
+    )
+  )
+(esf/generate-gantt-chart table)
+#+end_src
 
 


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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] Addition to Library of Babel
  2010-11-11 20:50 [PATCH] Addition to Library of Babel Thomas S. Dye
@ 2010-11-12 23:38 ` Eric Schulte
  0 siblings, 0 replies; 2+ messages in thread
From: Eric Schulte @ 2010-11-12 23:38 UTC (permalink / raw)
  To: Thomas S. Dye; +Cc: Emacs Org mode mailing list

Hi Tom,

Thanks for adding this to the Library of Babel.  I've just applied your
patch with some non-functional aesthetic changes.

Cheers -- Eric

"Thomas S. Dye" <tsd@tsdye.com> writes:

> Add Eric Fraga's GANTT chart code to the Library of Babel.
>
>
> Thomas S. Dye, Ph.D.
>
> T. S. Dye & Colleagues, Archaeologists, Inc.
>
> Phone: (808) 529-0866 Fax: (808) 529-0884
>
> http://www.tsdye.com
>
> _______________________________________________
> Emacs-orgmode mailing list
> Please use `Reply All' to send replies to the list.
> Emacs-orgmode@gnu.org
> http://lists.gnu.org/mailman/listinfo/emacs-orgmode

^ permalink raw reply	[flat|nested] 2+ messages in thread

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