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eec82323 | 1 | ;;; gnus-eform.el --- a mode for editing forms for Gnus |
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2 | |
3 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
e3fe4da0 | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
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7 | ;; Keywords: news |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published by | |
5a9dffec | 13 | ;; the Free Software Foundation; either version 3, or (at your option) |
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14 | ;; any later version. |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
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23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
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25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;;; Code: | |
29 | ||
30 | (require 'gnus) | |
31 | (require 'gnus-win) | |
32 | ||
33 | ;;; | |
34 | ;;; Editing forms | |
35 | ;;; | |
36 | ||
37 | (defgroup gnus-edit-form nil | |
38 | "A mode for editing forms." | |
39 | :group 'gnus) | |
40 | ||
41 | (defcustom gnus-edit-form-mode-hook nil | |
42 | "Hook run in `gnus-edit-form-mode' buffers." | |
43 | :group 'gnus-edit-form | |
44 | :type 'hook) | |
45 | ||
46 | (defcustom gnus-edit-form-menu-hook nil | |
47 | "Hook run when creating menus in `gnus-edit-form-mode' buffers." | |
48 | :group 'gnus-edit-form | |
49 | :type 'hook) | |
50 | ||
51 | ;;; Internal variables | |
52 | ||
eec82323 | 53 | (defvar gnus-edit-form-buffer "*Gnus edit form*") |
6748645f | 54 | (defvar gnus-edit-form-done-function nil) |
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55 | |
56 | (defvar gnus-edit-form-mode-map nil) | |
57 | (unless gnus-edit-form-mode-map | |
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58 | (setq gnus-edit-form-mode-map (make-sparse-keymap)) |
59 | (set-keymap-parent gnus-edit-form-mode-map emacs-lisp-mode-map) | |
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60 | (gnus-define-keys gnus-edit-form-mode-map |
61 | "\C-c\C-c" gnus-edit-form-done | |
62 | "\C-c\C-k" gnus-edit-form-exit)) | |
63 | ||
64 | (defun gnus-edit-form-make-menu-bar () | |
65 | (unless (boundp 'gnus-edit-form-menu) | |
66 | (easy-menu-define | |
67 | gnus-edit-form-menu gnus-edit-form-mode-map "" | |
68 | '("Edit Form" | |
69 | ["Exit and save changes" gnus-edit-form-done t] | |
70 | ["Exit" gnus-edit-form-exit t])) | |
6748645f | 71 | (gnus-run-hooks 'gnus-edit-form-menu-hook))) |
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72 | |
73 | (defun gnus-edit-form-mode () | |
74 | "Major mode for editing forms. | |
75 | It is a slightly enhanced emacs-lisp-mode. | |
76 | ||
77 | \\{gnus-edit-form-mode-map}" | |
78 | (interactive) | |
79 | (when (gnus-visual-p 'group-menu 'menu) | |
80 | (gnus-edit-form-make-menu-bar)) | |
81 | (kill-all-local-variables) | |
82 | (setq major-mode 'gnus-edit-form-mode) | |
83 | (setq mode-name "Edit Form") | |
84 | (use-local-map gnus-edit-form-mode-map) | |
85 | (make-local-variable 'gnus-edit-form-done-function) | |
86 | (make-local-variable 'gnus-prev-winconf) | |
cfcd5c91 | 87 | (gnus-run-mode-hooks 'gnus-edit-form-mode-hook)) |
eec82323 | 88 | |
01c52d31 | 89 | (defun gnus-edit-form (form documentation exit-func &optional layout) |
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90 | "Edit FORM in a new buffer. |
91 | Call EXIT-FUNC on exit. Display DOCUMENTATION in the beginning | |
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92 | of the buffer. |
93 | The optional LAYOUT overrides the `edit-form' window layout." | |
eec82323 | 94 | (let ((winconf (current-window-configuration))) |
6748645f | 95 | (set-buffer (gnus-get-buffer-create gnus-edit-form-buffer)) |
01c52d31 | 96 | (gnus-configure-windows (or layout 'edit-form)) |
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97 | (gnus-edit-form-mode) |
98 | (setq gnus-prev-winconf winconf) | |
99 | (setq gnus-edit-form-done-function exit-func) | |
100 | (erase-buffer) | |
101 | (insert documentation) | |
102 | (unless (bolp) | |
103 | (insert "\n")) | |
104 | (goto-char (point-min)) | |
105 | (while (not (eobp)) | |
106 | (insert ";;; ") | |
107 | (forward-line 1)) | |
108 | (insert ";; Type `C-c C-c' after you've finished editing.\n") | |
109 | (insert "\n") | |
110 | (let ((p (point))) | |
23f87bed | 111 | (gnus-pp form) |
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112 | (insert "\n") |
113 | (goto-char p)))) | |
114 | ||
115 | (defun gnus-edit-form-done () | |
116 | "Update changes and kill the current buffer." | |
117 | (interactive) | |
118 | (goto-char (point-min)) | |
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119 | (let ((form (condition-case nil |
120 | (read (current-buffer)) | |
121 | (end-of-file nil))) | |
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122 | (func gnus-edit-form-done-function)) |
123 | (gnus-edit-form-exit) | |
124 | (funcall func form))) | |
125 | ||
126 | (defun gnus-edit-form-exit () | |
127 | "Kill the current buffer." | |
128 | (interactive) | |
129 | (let ((winconf gnus-prev-winconf)) | |
130 | (kill-buffer (current-buffer)) | |
131 | (set-window-configuration winconf))) | |
132 | ||
133 | (provide 'gnus-eform) | |
134 | ||
cbee283d | 135 | ;; arch-tag: ef50678c-2c28-49ef-affc-e53b3b2c0bf6 |
eec82323 | 136 | ;;; gnus-eform.el ends here |