1;;; forms-d2.el --- demo forms-mode
2
3;; Copyright (C) 1991, 1994-1997, 2001-2021 Free Software Foundation,
4;; Inc.
5
6;; Author: Johan Vromans <jvromans@squirrel.nl>
7;; Created: 1989
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
13;; the Free Software Foundation, either version 3 of the License, or
14;; (at your option) 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.  If not, see <https://www.gnu.org/licenses/>.
23
24;;; Commentary:
25
26;; This sample forms exploit most of the features of forms mode.
27
28;;; Code:
29
30;; Set the name of the data file.
31(setq forms-file (expand-file-name "forms/forms-d2.dat" data-directory))
32
33;; Use 'forms-enumerate' to set field names and number thereof.
34(setq forms-number-of-fields
35      (forms-enumerate
36       '(arch-newsgroup			; 1
37	 arch-volume			; 2
38	 arch-issue			; and ...
39	 arch-article			; ... so
40	 arch-shortname			; ... ... on
41	 arch-parts
42	 arch-from
43	 arch-longname
44	 arch-keywords
45	 arch-date
46	 arch-remarks)))
47
48;; The following functions are used by this form for layout purposes.
49;;
50(defun arch-tocol (target &optional fill)
51  "Produces a string to skip to column TARGET.  Prepends newline if needed.
52The optional FILL should be a character, used to fill to the column."
53  (if (null fill)
54      (setq fill ?\s))
55  (if (< target (current-column))
56      (concat "\n" (make-string target fill))
57    (make-string (- target (current-column)) fill)))
58;;
59(defun arch-rj (target field &optional fill)
60  "Produces a string to skip to column TARGET minus the width of field FIELD.
61Prepends newline if needed.  The optional FILL should be a character,
62used to fill to the column."
63  (arch-tocol (- target (length (nth field forms-fields))) fill))
64
65;; Record filters.
66;;
67(defun arch-new-record-filter (the-record)
68  "Form a new record with some defaults."
69  (aset the-record arch-from (user-full-name))
70  (aset the-record arch-date (current-time-string))
71  the-record				; return it
72)
73(setq forms-new-record-filter 'arch-new-record-filter)
74
75;; The format list.
76(setq forms-format-list
77     (list
78       "====== Public Domain Software Archive ======\n\n"
79       arch-shortname
80       " - "			arch-longname
81       "\n\n"
82       "Article: "		arch-newsgroup
83       "/"			arch-article
84       " "
85       '(arch-tocol 40)
86       "Issue: "		arch-issue
87       " "
88       '(arch-rj 73 10)
89       "Date: "			arch-date
90       "\n\n"
91       "Submitted by: "		arch-from
92       "\n"
93       '(arch-tocol 79 ?-)
94       "\n"
95       "Keywords: "		arch-keywords
96       "\n\n"
97       "Parts: "		arch-parts
98       "\n\n====== Remarks ======\n\n"
99       arch-remarks
100     ))
101
102;; That's all, folks!
103
104;;; forms-d2.el ends here
105