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Re: [Orgmode] Re: Property inheritance in Org-collector
From: |
Eric Schulte |
Subject: |
Re: [Orgmode] Re: Property inheritance in Org-collector |
Date: |
Sat, 08 Jan 2011 14:17:27 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Unfortunately inheritance of properties in Org-mode requires explicitly
requesting the property by name (aside from a couple of built-in
Org-mode properties e.g. CATEGORY)
I've just pushed up a change to org-collector which allows properties to
be explicitly inherited using a new :inherit keyword, this is
demonstrated in the example below. Having to explicitly mention the
property to be inherited is not ideal, but hopefully it is sufficient.
Cheers -- Eric
* Inheritance
#+BEGIN: propview :cols (ITEM test CATEGORY) :scope tree :inherit (test)
| "ITEM" | "test" | "CATEGORY" |
|--------------------+----------+---------------|
| "Inheritance" | 0 | "inheritence" |
| "First level" | "appear" | "level" |
| "Test inheritance" | "appear" | "level" |
|--------------------+----------+---------------|
| | | |
#+END:
** First level
:PROPERTIES:
:test: appear
:CATEGORY: level
:COLUMNS: %34ITEM %plats %ingredient
:END:
#+begin_src emacs-lisp
(org-entry-get (point) "CATEGORY" t)
#+end_src
#+results:
: level
*** Test inheritance
The org-collector uses the org-entry-properties function to collect
properties. Notice that this function *only* inherits some special
properties known to Org-mode
#+begin_src emacs-lisp
(flet ((to-table (lst) (mapcar (lambda (pair) (list (car pair) (cdr pair)))
lst)))
(to-table (org-entry-properties)))
#+end_src
#+results:
| FILE | /home/eschulte/Desktop/inheritence.org |
| BLOCKED | |
| CATEGORY | level |
in such properties are mentioned explicitly in the code of
org-entry-properties, and the special function org-get-categories is
used to collect (and inherit) categories. In fact even calling
org-entry-get inside of this subtree with inheritance explicitly set
to t is not sufficient to
#+begin_src emacs-lisp
(org-entry-get (point) "CATEGORY" t)
#+end_src
#+results:
: level
#+begin_src emacs-lisp
(org-entry-get (point) "test" t)
#+end_src
#+results:
: appear
I expect to have the same behavior for CATEGORY and test properties.
If you evaluate lisp expression you will notice that inheritance seems
to works.