70 lines
2.6 KiB
EmacsLisp
70 lines
2.6 KiB
EmacsLisp
;;; org-babel-ui.el --- UI elements for org-babel
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;; Copyright (C) 2009 Eric Schulte, Dan Davison, Austin F. Frank
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;; Author: Eric Schulte, Dan Davison, Austin F. Frank
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; Version: 0.01
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;;; License:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; UI elements of org-babel
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;; - code folding
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;; - marking working code blocks
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;;; Code:
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(require 'org-babel)
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(defun org-babel-ui-src-block-cycle-maybe ()
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"Detect if this is context for a org-babel src-block and if so
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then run `org-babel-execute-src-block'."
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(let ((case-fold-search t))
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(if (save-excursion
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(beginning-of-line 1)
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(looking-at org-babel-src-block-regexp))
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(progn (call-interactively 'org-babel-ui-src-block-cycle)
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t) ;; to signal that we took action
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nil))) ;; to signal that we did not
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(defun org-babel-ui-src-block-cycle ()
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"Cycle the visibility of the current source code block"
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(interactive)
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;; should really do this once in an (org-mode hook)
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(add-to-invisibility-spec '(org-babel-ui . t))
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(message "trying out source block")
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(save-excursion
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(beginning-of-line)
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(if (re-search-forward org-babel-src-block-regexp nil t)
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(let ((start (- (match-beginning 4) 1)) ;; beginning of body
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(end (match-end 0))) ;; end of entire body
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(if (memq t (mapcar (lambda (overlay)
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(eq (overlay-get overlay 'invisible) 'org-babel-ui))
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(overlays-at start)))
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(remove-overlays start end 'invisible 'org-babel-ui)
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(overlay-put (make-overlay start end) 'invisible 'org-babel-ui)))
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(error "not looking at a source block"))))
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;; org-tab-after-check-for-cycling-hook
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(add-hook 'org-tab-first-hook 'org-babel-ui-src-block-cycle-maybe)
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(provide 'org-babel-ui)
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;;; org-babel-ui ends here
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