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;;; forms-d2.el --- demo forms-mode
;; Copyright (C) 1991, 1994-1997, 2001-2018 Free Software Foundation,
;; Inc.
;; Author: Johan Vromans <jvromans@squirrel.nl>
;; Created: 1989
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; This sample forms exploit most of the features of forms mode.
;;; Code:
;; Set the name of the data file.
(setq forms-file (expand-file-name "forms/forms-d2.dat" data-directory))
;; Use 'forms-enumerate' to set field names and number thereof.
(setq forms-number-of-fields
(forms-enumerate
'(arch-newsgroup ; 1
arch-volume ; 2
arch-issue ; and ...
arch-article ; ... so
arch-shortname ; ... ... on
arch-parts
arch-from
arch-longname
arch-keywords
arch-date
arch-remarks)))
;; The following functions are used by this form for layout purposes.
;;
(defun arch-tocol (target &optional fill)
"Produces a string to skip to column TARGET. Prepends newline if needed.
The optional FILL should be a character, used to fill to the column."
(if (null fill)
(setq fill ?\s))
(if (< target (current-column))
(concat "\n" (make-string target fill))
(make-string (- target (current-column)) fill)))
;;
(defun arch-rj (target field &optional fill)
"Produces a string to skip to column TARGET minus the width of field FIELD.
Prepends newline if needed. The optional FILL should be a character,
used to fill to the column."
(arch-tocol (- target (length (nth field forms-fields))) fill))
;; Record filters.
;;
(defun arch-new-record-filter (the-record)
"Form a new record with some defaults."
(aset the-record arch-from (user-full-name))
(aset the-record arch-date (current-time-string))
the-record ; return it
)
(setq forms-new-record-filter 'arch-new-record-filter)
;; The format list.
(setq forms-format-list
(list
"====== Public Domain Software Archive ======\n\n"
arch-shortname
" - " arch-longname
"\n\n"
"Article: " arch-newsgroup
"/" arch-article
" "
'(arch-tocol 40)
"Issue: " arch-issue
" "
'(arch-rj 73 10)
"Date: " arch-date
"\n\n"
"Submitted by: " arch-from
"\n"
'(arch-tocol 79 ?-)
"\n"
"Keywords: " arch-keywords
"\n\n"
"Parts: " arch-parts
"\n\n====== Remarks ======\n\n"
arch-remarks
))
;; That's all, folks!
;;; forms-d2.el ends here
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