From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Kitchin Subject: Re: More helm awesomeness Date: Mon, 19 Jan 2015 16:01:08 -0500 Message-ID: References: <54BC3079.1030706@gmx.de> <54BD6D1A.6030209@gmx.de> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:38874) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDJRo-0005Xq-UP for emacs-orgmode@gnu.org; Mon, 19 Jan 2015 16:01:22 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YDJRk-0006Gr-RS for emacs-orgmode@gnu.org; Mon, 19 Jan 2015 16:01:20 -0500 Received: from mail-qa0-x235.google.com ([2607:f8b0:400d:c00::235]:41520) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YDJRk-0006Gn-N0 for emacs-orgmode@gnu.org; Mon, 19 Jan 2015 16:01:16 -0500 Received: by mail-qa0-f53.google.com with SMTP id n4so25602610qaq.12 for ; Mon, 19 Jan 2015 13:01:15 -0800 (PST) In-reply-to: <54BD6D1A.6030209@gmx.de> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Simon Thum Cc: emacs-orgmode , John Kitchin Here is a more advanced function that works on your agenda files: You run the second one: M-x helm-query-agenda and enter your search query in org syntax, e.g. TODO="PREPARATION" will give you a helm menu of headlines with that TODO state. I am not that sophisticated a user of org queries like this, so I can't vouch it works for all of them ;) #+BEGIN_SRC emacs-lisp (defun helm-agenda-candidates (query) (let ((results '())) (mapc (lambda (f) (with-current-buffer (find-file-noselect f) (org-map-entries (lambda () (add-to-list 'results (cons (concat (file-name-nondirectory f) " | " (make-string (nth 1 (org-heading-components)) ?*) " " (org-get-heading)) (point-marker)))) query))) (org-agenda-files)) results)) (defun helm-query-agenda (query) "Helm interface to headlines with TODO status in current buffer." (interactive "sQuery: ") (let ((candidates (helm-agenda-candidates query))) (helm :sources '(((name . "TODO headlines") (candidates . candidates) (action . (("open" . (lambda (m) (switch-to-buffer (marker-buffer m)) (goto-char m) (show-children)))))))))) #+END_SRC Simon Thum writes: > Hi John, > > thank you for the fast response! That's more than I had hoped for, I'm > sure I'll get through now. I'll report back when something tangible is > there. > > Cheers, > > Simon > > On 01/19/2015 04:57 PM, John Kitchin wrote: >> You can do something like this to get just the TODO headlines in the >> current buffer. If you make the helm-todo-candidates map over all the >> files in (org-agenda-files) you can make it give all the TODO >> headings. You can change the match criteria in org-map-entries to be >> more selective. >> >> #+BEGIN_SRC emacs-lisp :results raw >> (defun helm-todo-candidates () >> (let ((results '())) >> (org-map-entries >> (lambda () >> (add-to-list 'results >> (cons >> (concat (make-string (nth 1 (org-heading-components)) ?*) >> " TODO " >> (nth 4 (org-heading-components))) >> (point-marker)))) >> "TODO=\"TODO\"") >> results)) >> #+END_SRC >> >> #+RESULTS: >> ((** post it . #) (** work it out . #)) >> >> Now to run helm, there is a subtle point. We need to map the current buffer /before/ running helm, otherwise we will map an empty helm buffer. >> >> #+BEGIN_SRC emacs-lisp >> (defun helm-todo () >> "Helm interface to headlines with TODO status in current buffer." >> (interactive) >> (let ((candidates (helm-todo-candidates))) >> (setq helm-todo-source '((name . "TODO headlines") >> (candidates . candidates) >> (action . (("open" . goto-char))))) >> (helm :sources '(helm-todo-source)))) >> >> (helm-todo) >> Simon Thum writes: >> >>> Hi all, >>> >>> I recently updated my helm install so it includes >>> helm-org-agenda-headings which is just AWESOME (to me at least). A bit >>> like org-goto but across all agenda files at once, with goto, refile, >>> linking built in. If you haven't tried it, I definitely recommend to do so. >>> >>> >>> Yet I'm missing a few things so far, I would like to have different >>> datasources differentiated by tags, in particular the ARCHIVE tag, and >>> the infamous FILETAGS so I cannot just regex my way through as the >>> current approach does. >>> >>> This requires making more use of org-ode when filling helm's buffers. My >>> elisp isn't great but I might be able to get there if the approach is sane. >>> >>> Any pointers are welcome! If you might help me please read on. >>> >>> I would like to ask what would be the best approach for better utilising >>> org infrastructure so I may have separate helm sources for >>> live/archived, private/work, the clocking history, stuff like that. >>> >>> The helm-org definition looks deceptively simple: >>> >>> https://github.com/emacs-helm/helm/blob/master/helm-org.el >>> >>> (defun helm-org-agenda-files-headings () >>> (interactive) >>> (helm :sources (helm-source-org-headings-for-files (org-agenda-files)) >>> :candidate-number-limit 99999 >>> :buffer "*helm org headings*")) >>> >>> >>> FWICT, in effect helm-org is chewing itself through the buffers: >>> >>> (defun helm-get-org-candidates-in-file (filename min-depth max-depth >>> &optional fontify) >>> (with-current-buffer (find-file-noselect filename) >>> (and fontify (jit-lock-fontify-now)) >>> (let ((match-fn (if fontify 'match-string 'match-string-no-properties))) >>> (save-excursion >>> (goto-char (point-min)) >>> (cl-loop while (re-search-forward org-complex-heading-regexp nil t) >>> if (let ((num-stars (length (match-string-no-properties 1)))) >>> (and (>= num-stars min-depth) (<= num-stars max-depth))) >>> collect `(,(funcall match-fn 0) . ,(point-marker))))))) >>> >>> I don't really get what it does but I have a hunch that org-element or >>> other org-mode functions could be used to achieve the same with more >>> precision. That's what I would need to do. FWIW I'd be happy to take a >>> performance hit. >>> >>> Thanks in advance, >>> >>> Simon >> >> -- >> Professor John Kitchin >> Doherty Hall A207F >> Department of Chemical Engineering >> Carnegie Mellon University >> Pittsburgh, PA 15213 >> 412-268-7803 >> @johnkitchin >> http://kitchingroup.cheme.cmu.edu >> -- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu