Re: exec code on task state progression

From: David Maus <dmaus@ictsoc.de>
To: Richard Riley <rileyrg@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: exec code on task state progression
Date: Wed, 01 Sep 2010 07:55:39 +0200	[thread overview]
Message-ID: <87hbiaqa78.wl%dmaus@ictsoc.de> (raw)
In-Reply-To: <i4njiu$tt3$1@dough.gmane.org>

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Richard Riley wrote:

>What would be the best approach, if at all possible, to having org
>manage tasks which allow me set dates for a task to be scheduled and
>then let me manually progress/cycle that task and have it then invoke
>code/scripts?

Maybe something like this: Store the name of the function to be
executed in a property and define a function which is run in
`org-after-todo-state-change-hook' that reads this property and
executes the function if, say, the state was changed to "DONE".

(defun dmj:execute-func-after-todo-change ()
  "Execute function in exec_func property if entry changes to DONE."
  (when (string= state "DONE")
    (let ((func (intern (org-entry-get nil "exec_func"))))
      (if (fboundp func) (funcall func)))))

(add-hook 'org-after-todo-state-change-hook 'dmj:execute-func-after-todo-change)

For the update part you might want to look at el-get.el[1]:

,----
| Short Story: el-get allows you to install and manage elisp code for
| Emacs. It supports lots of differents types of sources and is able to
| install them, update them and remove them, but more importantly it
| will init them for you.
|
| That means it will care about require ing the features you need, load
| ing the files, setting the Info paths so that C-h i shows the new
| documentation you now depend on, and finally call your own :after
| function for you to setup the extension. Or call it a package.
`----

I did not try it (yet), but this looks sweet.

HTH,
  -- David

[1] http://github.com/dimitri/el-get
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