planner-experimental.el

   1 ;;; planner-experimental.el --- Experimental functions for Emacs planner mode
   2
   3 ;; Copyright (C) 2004, 2008 Free Software Foundation, Inc.
   4
   5 ;; Author: Sacha Chua
   6
   7 ;; This file is part of Planner.  It is not part of GNU Emacs.
   8
   9 ;; Planner is free software; you can redistribute it and/or modify it
  10 ;; under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 3, or (at your option)
  12 ;; any later version.
  13
  14 ;; Planner is distributed in the hope that it will be useful, but
  15 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17 ;; General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with Planner; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  22 ;; Boston, MA 02110-1301, USA.
  23
  24 ;;; Commentary:
  25
  26 (require 'planner)
  27
  28 ;;; Code:
  29
  30 ;;;_ + Searching
  31
  32 (defun planner-search-notes-next-match ()
  33   "Jump to the next matching entry.  Call after `planner-search-notes.'"
  34   (interactive)
  35   (if (buffer-live-p (get-buffer planner-search-notes-buffer))
  36       (progn
  37         (set-buffer planner-search-notes-buffer)
  38         (forward-line -1)
  39         (goto-char (planner-line-beginning-position))
  40         (planner-follow-name-at-point))
  41     (error "No current search.")))
  42
  43 (defun planner-search-notes-previous-match ()
  44   "Jump to the previous matching entry.  Call after `planner-search-notes.'"
  45   (interactive)
  46   (if (buffer-live-p (get-buffer planner-search-notes-buffer))
  47       (progn
  48         (set-buffer planner-search-notes-buffer)
  49         (forward-line 1)
  50         (goto-char (planner-line-beginning-position))
  51         (planner-follow-name-at-point))
  52     (error "No current search.")))
  53
  54 ;;;_* Tasks
  55
  56 (defun planner-remove-duplicates ()
  57   "Remove duplicate tasks."
  58   (interactive)
  59   (goto-char (point-min))
  60   (let ((today (planner-today))
  61         (on-date (string-match planner-date-regexp (planner-page-name))))
  62     (while (re-search-forward "^#[A-C][0-9]*\\s-+\\(.+\\)$" nil t)
  63       (save-excursion
  64         (let* ((task-info (planner-current-task-info))
  65                (keep (planner-task-date task-info))
  66                date
  67                found
  68                (start (match-beginning 0)))
  69           (goto-char (planner-line-beginning-position))
  70           (save-excursion
  71             (unless on-date
  72               (while (planner-find-task task-info (point))
  73                 ;; Determine the most recent one
  74                 (setq date (planner-task-date (planner-current-task-info)))
  75                 (when (or (and (string< keep today)
  76                                (string< keep date))
  77                           (string< date keep))
  78                 (setq keep date))
  79                 (forward-line 1))))
  80           (while (planner-find-task task-info (point))
  81             (if (string= keep
  82                          (planner-task-date (planner-current-task-info)))
  83                 (if found
  84                     (delete-region (planner-line-beginning-position)
  85                                    (min (1+ (planner-line-end-position))
  86                                         (point-max)))
  87                   (setq found t)
  88                   (forward-line 1))
  89               (planner-delete-task))))))))
  90
  91 ;;;_* Local emacs vars.
  92 ;;;Local variables:
  93 ;;;allout-layout: (-1 0 : )
  94 ;;;End:
  95
  96 (provide 'planner-experimental)
  97
  98 ;;; planner-experimental.el ends here