Re: custom sorting of agenda items

From: Carsten Dominik <carsten.dominik@gmail.com>
To: Ilya Shlyakhter <ilya_shl@alum.mit.edu>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>,
	Bastien <bastien.guerry@wikimedia.fr>
Subject: Re: custom sorting of agenda items
Date: Mon, 16 Aug 2010 15:14:09 +0200	[thread overview]
Message-ID: <9FC2E38B-0E6F-4318-8688-226E7261104A@gmail.com> (raw)
In-Reply-To: <AANLkTi=FJOtGC=sRzhEq2FSaXqXrgpK=CDORfomSS-Hr@mail.gmail.com>

On Aug 16, 2010, at 2:59 PM, Ilya Shlyakhter wrote:

> Thanks!   Would things work faster if there was a user-defined hook
> that was called at each agenda entry at the same time
> the 'org-hd-marker property gets stored, so it could store any other
> things it needs from the entry as text properties for later
> use by user-defined entry sorting routine?

This would be similar in speed, I think.  At least my proposal
only goes to the stuff that has made it into the agenda.

Ahh, you need the stuff in the sorting function - so it is too
late when the stuff is in the agenda.

I'll look into adding a hook...

- Carsten

>
> ilya
>
> On Mon, Aug 16, 2010 at 8:54 AM, Carsten Dominik
> <carsten.dominik@gmail.com> wrote:
>>
>> On Aug 5, 2010, at 1:01 AM, Ilya Shlyakhter wrote:
>>
>>> When giving a user-defined function for org-agenda-cmp-user-defined,
>>> the function gets two agenda entries.   Is there a way from an  
>>> agenda
>>> entry
>>> to get to the original org entry?
>>
>> Yes, the marker that points to the original entry is stored in text
>> properties.
>> You can take it and then go to the entry, for example with
>>
>> (org-with-point-at (org-get-at-bol 'org-hd-marker)
>>     ;; do here what you need to do at the location of the entry
>>     )
>>
>> You could do this in org-finalize-agenda-hook for all entries, for  
>> example.
>> Might slow things down, of cause.
>>
>> HTH
>>
>> - Carsten
>>
>>>
>>> Best would be if, besides a user-defined sort function, you could  
>>> also
>>> provide
>>> a function that takes the org entry and the agenda item (i.e. is  
>>> run with
>>> point
>>> on the org entry and is passed the agenda item), and can then store
>>> anything
>>> it wants about the org entry as text properties on the agenda item.
>>> The companion user-defined sorting function could then use these  
>>> stored
>>> text properties for ordering the agenda items.   Could you add  
>>> such a
>>> hook?
>>>
>>> thanks,
>>>
>>> ilya
>>>
>>> On Wed, Aug 4, 2010 at 6:51 PM, Bastien  
>>> <bastien.guerry@wikimedia.fr>
>>> wrote:
>>>>
>>>> Hi Ilya,
>>>>
>>>> Ilya Shlyakhter <ilya_shl@alum.mit.edu> writes:
>>>>
>>>>> I'd like to sort agenda entries in a custom agenda view by the  
>>>>> value
>>>>> of a text property that I put on the headlines.
>>>>> Is there a way to do that?
>>>>
>>>> Well, no.
>>>>
>>>> Maybe playing around with org-map-entries could yield some result.
>>>>
>>>> --
>>>>  Bastien
>>>>
>>>
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>>
>> - Carsten
>>
>>
>>
>>

- Carsten