Re: Help with agenda-custom commands

From: Carsten Dominik <dominik@uva.nl>
To: pholcomb@cpoint.net
Cc: emacs-orgmode@gnu.org
Subject: Re: Help with agenda-custom commands
Date: Sun, 28 Sep 2008 07:16:41 +0200	[thread overview]
Message-ID: <F7DA25EC-0D9E-474D-B7C0-9325590010F5@uva.nl> (raw)
In-Reply-To: <20080924231637.GM28285@cpoint.net>

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Hi Paul,

On Sep 25, 2008, at 1:16 AM, Paul Holcomb wrote:

>
> I'm pretty new to elisp and I'm having difficulty figuring out how
> to implement two things in org-agenda-custom-commands:
>
> *) Is there a simple way to construct an agenda view that:
>  -shows all past scheduled events for one TODO keyword only
>  -skips for all others
>
> The only way I could figure out it could work is to write a large
> org-agenda-skip function that explicitly looks at subtrees and
> duplicates the org-scheduled-past-days check code.
>
> Unless I'm mistaken a block view won't work because the value of
> org-scheduled-past-days is local to the agenda command and not each
> block inside of it.

I have not tested this, but you might be able to use the general tags/ 
property/todo matcher
on `C-c a m' like this:

SCHEDULED<"<today>"/!+MYTODOKEYWORD

> *) Using a defconst symbol or function that evaluates to a stringp
> in place of an actual string in for the match field.
>
> ex:
>      ("A" ""  tags-todo 'org-pah-todo-exclude nil nil)
>
>
>           (type-of org-pah-todo-exclude)
> 	        ==> stringp
>
>  I also tried using concat and format for that argument.  The error
>  is always:
>
>  Debugger entered--Lisp error: (wrong-type-argument stringp (quote  
> org-pah-todo-exclude))
>    string-match("/+" (quote org-pah-todo-exclude))
>    org-make-tags-matcher((quote org-pah-todo-exclude))
>    org-tags-view((4) (quote org-pah-todo-exclude))
>
>  It seems like the evaluation order is at fault, but I couldn't get  
> further.

indeed, currently the match entry is not evaluated.  I guess we could  
do that, but it would involve changing several functions.  I would  
need a convincing use case before I invest the time.  How would you  
want to use this?

- Carsten

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