lisp/forms-d2.el

   1 ;;; forms-d2.el --- demo forms-mode -*- no-byte-compile: t -*-
   2
   3 ;; Copyright (C) 1991, 1994, 1995, 1996, 1997, 2001, 2002, 2003,
   4 ;;   2004, 2005, 2006, 2007, 2008 Free Software Foundation, 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, or (at your option)
  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
  23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 ;; Boston, MA 02110-1301, USA.
  25
  26 ;;; Commentary:
  27
  28 ;; This sample forms exploit most of the features of forms mode.
  29
  30 ;;; Code:
  31
  32 ;; Set the name of the data file.
  33 (setq forms-file "forms-d2.dat")
  34
  35 ;; Use 'forms-enumerate' to set field names and number thereof.
  36 (setq forms-number-of-fields
  37       (forms-enumerate
  38        '(arch-newsgroup                 ; 1
  39          arch-volume                    ; 2
  40          arch-issue                     ; and ...
  41          arch-article                   ; ... so
  42          arch-shortname                 ; ... ... on
  43          arch-parts
  44          arch-from
  45          arch-longname
  46          arch-keywords
  47          arch-date
  48          arch-remarks)))
  49
  50 ;; The following functions are used by this form for layout purposes.
  51 ;;
  52 (defun arch-tocol (target &optional fill)
  53   "Produces a string to skip to column TARGET.  Prepends newline if needed.
  54 The optional FILL should be a character, used to fill to the column."
  55   (if (null fill)
  56       (setq fill ?\s))
  57   (if (< target (current-column))
  58       (concat "\n" (make-string target fill))
  59     (make-string (- target (current-column)) fill)))
  60 ;;
  61 (defun arch-rj (target field &optional fill)
  62   "Produces a string to skip to column TARGET minus the width of field FIELD.
  63 Prepends newline if needed.  The optional FILL should be a character,
  64 used to fill to the column."
  65   (arch-tocol (- target (length (nth field forms-fields))) fill))
  66
  67 ;; Record filters.
  68 ;;
  69 (defun arch-new-record-filter (the-record)
  70   "Form a new record with some defaults."
  71   (aset the-record arch-from (user-full-name))
  72   (aset the-record arch-date (current-time-string))
  73   the-record                            ; return it
  74 )
  75 (setq forms-new-record-filter 'arch-new-record-filter)
  76
  77 ;; The format list.
  78 (setq forms-format-list
  79      (list
  80        "====== Public Domain Software Archive ======\n\n"
  81        arch-shortname
  82        " - "                    arch-longname
  83        "\n\n"
  84        "Article: "              arch-newsgroup
  85        "/"                      arch-article
  86        " "
  87        '(arch-tocol 40)
  88        "Issue: "                arch-issue
  89        " "
  90        '(arch-rj 73 10)
  91        "Date: "                 arch-date
  92        "\n\n"
  93        "Submitted by: "         arch-from
  94        "\n"
  95        '(arch-tocol 79 ?-)
  96        "\n"
  97        "Keywords: "             arch-keywords
  98        "\n\n"
  99        "Parts: "                arch-parts
 100        "\n\n====== Remarks ======\n\n"
 101        arch-remarks
 102      ))
 103
 104 ;; That's all, folks!
 105
 106 ;; arch-tag: 8e5d5dac-7abf-4722-ab5e-03eb749beaca
 107 ;;; forms-d2.el ends here