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eec82323 | 1 | ;;; gnus-eform.el --- a mode for editing forms for Gnus |
16409b0b GM |
2 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2000 |
3 | ;; Free Software Foundation, Inc. | |
eec82323 | 4 | |
6748645f | 5 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
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6 | ;; Keywords: news |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;;; Code: | |
28 | ||
29 | (require 'gnus) | |
30 | (require 'gnus-win) | |
31 | ||
32 | ;;; | |
33 | ;;; Editing forms | |
34 | ;;; | |
35 | ||
36 | (defgroup gnus-edit-form nil | |
37 | "A mode for editing forms." | |
38 | :group 'gnus) | |
39 | ||
40 | (defcustom gnus-edit-form-mode-hook nil | |
41 | "Hook run in `gnus-edit-form-mode' buffers." | |
42 | :group 'gnus-edit-form | |
43 | :type 'hook) | |
44 | ||
45 | (defcustom gnus-edit-form-menu-hook nil | |
46 | "Hook run when creating menus in `gnus-edit-form-mode' buffers." | |
47 | :group 'gnus-edit-form | |
48 | :type 'hook) | |
49 | ||
50 | ;;; Internal variables | |
51 | ||
eec82323 | 52 | (defvar gnus-edit-form-buffer "*Gnus edit form*") |
6748645f | 53 | (defvar gnus-edit-form-done-function nil) |
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54 | |
55 | (defvar gnus-edit-form-mode-map nil) | |
56 | (unless gnus-edit-form-mode-map | |
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57 | (setq gnus-edit-form-mode-map (make-sparse-keymap)) |
58 | (set-keymap-parent gnus-edit-form-mode-map emacs-lisp-mode-map) | |
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59 | (gnus-define-keys gnus-edit-form-mode-map |
60 | "\C-c\C-c" gnus-edit-form-done | |
61 | "\C-c\C-k" gnus-edit-form-exit)) | |
62 | ||
63 | (defun gnus-edit-form-make-menu-bar () | |
64 | (unless (boundp 'gnus-edit-form-menu) | |
65 | (easy-menu-define | |
66 | gnus-edit-form-menu gnus-edit-form-mode-map "" | |
67 | '("Edit Form" | |
68 | ["Exit and save changes" gnus-edit-form-done t] | |
69 | ["Exit" gnus-edit-form-exit t])) | |
6748645f | 70 | (gnus-run-hooks 'gnus-edit-form-menu-hook))) |
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71 | |
72 | (defun gnus-edit-form-mode () | |
73 | "Major mode for editing forms. | |
74 | It is a slightly enhanced emacs-lisp-mode. | |
75 | ||
76 | \\{gnus-edit-form-mode-map}" | |
77 | (interactive) | |
78 | (when (gnus-visual-p 'group-menu 'menu) | |
79 | (gnus-edit-form-make-menu-bar)) | |
80 | (kill-all-local-variables) | |
81 | (setq major-mode 'gnus-edit-form-mode) | |
82 | (setq mode-name "Edit Form") | |
83 | (use-local-map gnus-edit-form-mode-map) | |
84 | (make-local-variable 'gnus-edit-form-done-function) | |
85 | (make-local-variable 'gnus-prev-winconf) | |
6748645f | 86 | (gnus-run-hooks 'gnus-edit-form-mode-hook)) |
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87 | |
88 | (defun gnus-edit-form (form documentation exit-func) | |
89 | "Edit FORM in a new buffer. | |
90 | Call EXIT-FUNC on exit. Display DOCUMENTATION in the beginning | |
91 | of the buffer." | |
92 | (let ((winconf (current-window-configuration))) | |
6748645f | 93 | (set-buffer (gnus-get-buffer-create gnus-edit-form-buffer)) |
eec82323 | 94 | (gnus-configure-windows 'edit-form) |
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95 | (gnus-edit-form-mode) |
96 | (setq gnus-prev-winconf winconf) | |
97 | (setq gnus-edit-form-done-function exit-func) | |
98 | (erase-buffer) | |
99 | (insert documentation) | |
100 | (unless (bolp) | |
101 | (insert "\n")) | |
102 | (goto-char (point-min)) | |
103 | (while (not (eobp)) | |
104 | (insert ";;; ") | |
105 | (forward-line 1)) | |
106 | (insert ";; Type `C-c C-c' after you've finished editing.\n") | |
107 | (insert "\n") | |
108 | (let ((p (point))) | |
109 | (pp form (current-buffer)) | |
110 | (insert "\n") | |
111 | (goto-char p)))) | |
112 | ||
113 | (defun gnus-edit-form-done () | |
114 | "Update changes and kill the current buffer." | |
115 | (interactive) | |
116 | (goto-char (point-min)) | |
117 | (let ((form (read (current-buffer))) | |
118 | (func gnus-edit-form-done-function)) | |
119 | (gnus-edit-form-exit) | |
120 | (funcall func form))) | |
121 | ||
122 | (defun gnus-edit-form-exit () | |
123 | "Kill the current buffer." | |
124 | (interactive) | |
125 | (let ((winconf gnus-prev-winconf)) | |
126 | (kill-buffer (current-buffer)) | |
127 | (set-window-configuration winconf))) | |
128 | ||
129 | (provide 'gnus-eform) | |
130 | ||
ab5796a9 | 131 | ;;; arch-tag: ef50678c-2c28-49ef-affc-e53b3b2c0bf6 |
eec82323 | 132 | ;;; gnus-eform.el ends here |