Commit | Line | Data |
---|---|---|
eec82323 | 1 | ;;; gnus-eform.el --- a mode for editing forms for Gnus |
e84b4b86 TTN |
2 | |
3 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
114f9c96 | 4 | ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
7 | ;; Keywords: news |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
5e809f55 | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
eec82323 | 12 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
eec82323 LMI |
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 | |
5e809f55 | 18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
eec82323 LMI |
19 | ;; GNU General Public License for more details. |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
eec82323 LMI |
23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
28 | (require 'gnus) | |
29 | (require 'gnus-win) | |
30 | ||
31 | ;;; | |
32 | ;;; Editing forms | |
33 | ;;; | |
34 | ||
35 | (defgroup gnus-edit-form nil | |
36 | "A mode for editing forms." | |
37 | :group 'gnus) | |
38 | ||
39 | (defcustom gnus-edit-form-mode-hook nil | |
40 | "Hook run in `gnus-edit-form-mode' buffers." | |
41 | :group 'gnus-edit-form | |
42 | :type 'hook) | |
43 | ||
44 | (defcustom gnus-edit-form-menu-hook nil | |
45 | "Hook run when creating menus in `gnus-edit-form-mode' buffers." | |
46 | :group 'gnus-edit-form | |
47 | :type 'hook) | |
48 | ||
49 | ;;; Internal variables | |
50 | ||
eec82323 | 51 | (defvar gnus-edit-form-buffer "*Gnus edit form*") |
6748645f | 52 | (defvar gnus-edit-form-done-function nil) |
eec82323 LMI |
53 | |
54 | (defvar gnus-edit-form-mode-map nil) | |
55 | (unless gnus-edit-form-mode-map | |
16409b0b GM |
56 | (setq gnus-edit-form-mode-map (make-sparse-keymap)) |
57 | (set-keymap-parent gnus-edit-form-mode-map emacs-lisp-mode-map) | |
eec82323 LMI |
58 | (gnus-define-keys gnus-edit-form-mode-map |
59 | "\C-c\C-c" gnus-edit-form-done | |
60 | "\C-c\C-k" gnus-edit-form-exit)) | |
61 | ||
62 | (defun gnus-edit-form-make-menu-bar () | |
63 | (unless (boundp 'gnus-edit-form-menu) | |
64 | (easy-menu-define | |
65 | gnus-edit-form-menu gnus-edit-form-mode-map "" | |
66 | '("Edit Form" | |
67 | ["Exit and save changes" gnus-edit-form-done t] | |
68 | ["Exit" gnus-edit-form-exit t])) | |
6748645f | 69 | (gnus-run-hooks 'gnus-edit-form-menu-hook))) |
eec82323 LMI |
70 | |
71 | (defun gnus-edit-form-mode () | |
72 | "Major mode for editing forms. | |
73 | It is a slightly enhanced emacs-lisp-mode. | |
74 | ||
75 | \\{gnus-edit-form-mode-map}" | |
76 | (interactive) | |
77 | (when (gnus-visual-p 'group-menu 'menu) | |
78 | (gnus-edit-form-make-menu-bar)) | |
79 | (kill-all-local-variables) | |
80 | (setq major-mode 'gnus-edit-form-mode) | |
81 | (setq mode-name "Edit Form") | |
82 | (use-local-map gnus-edit-form-mode-map) | |
83 | (make-local-variable 'gnus-edit-form-done-function) | |
84 | (make-local-variable 'gnus-prev-winconf) | |
cfcd5c91 | 85 | (gnus-run-mode-hooks 'gnus-edit-form-mode-hook)) |
eec82323 | 86 | |
01c52d31 | 87 | (defun gnus-edit-form (form documentation exit-func &optional layout) |
eec82323 LMI |
88 | "Edit FORM in a new buffer. |
89 | Call EXIT-FUNC on exit. Display DOCUMENTATION in the beginning | |
01c52d31 MB |
90 | of the buffer. |
91 | The optional LAYOUT overrides the `edit-form' window layout." | |
eec82323 | 92 | (let ((winconf (current-window-configuration))) |
6748645f | 93 | (set-buffer (gnus-get-buffer-create gnus-edit-form-buffer)) |
01c52d31 | 94 | (gnus-configure-windows (or layout 'edit-form)) |
eec82323 LMI |
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))) | |
23f87bed | 109 | (gnus-pp form) |
eec82323 LMI |
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)) | |
23f87bed MB |
117 | (let ((form (condition-case nil |
118 | (read (current-buffer)) | |
119 | (end-of-file nil))) | |
eec82323 LMI |
120 | (func gnus-edit-form-done-function)) |
121 | (gnus-edit-form-exit) | |
122 | (funcall func form))) | |
123 | ||
124 | (defun gnus-edit-form-exit () | |
125 | "Kill the current buffer." | |
126 | (interactive) | |
127 | (let ((winconf gnus-prev-winconf)) | |
128 | (kill-buffer (current-buffer)) | |
129 | (set-window-configuration winconf))) | |
130 | ||
131 | (provide 'gnus-eform) | |
132 | ||
133 | ;;; gnus-eform.el ends here |