lisp/forms-d2.el

   1 ;;; forms-d2.el --- demo forms-mode
   2
   3 ;; Author: Johan Vromans <jvromans@squirrel.nl>
   4 ;; Created: 1989
   5
   6 ;; This sample forms exploit most of the features of forms mode.
   7
   8 ;; Set the name of the data file.
   9 (setq forms-file "forms-d2.dat")
  10
  11 ;; Use 'forms-enumerate' to set field names and number thereof.
  12 (setq forms-number-of-fields
  13       (forms-enumerate
  14        '(arch-newsgroup                 ; 1
  15          arch-volume                    ; 2
  16          arch-issue                     ; and ...
  17          arch-article                   ; ... so
  18          arch-shortname                 ; ... ... on
  19          arch-parts
  20          arch-from
  21          arch-longname
  22          arch-keywords
  23          arch-date
  24          arch-remarks)))
  25
  26 ;; The following functions are used by this form for layout purposes.
  27 ;;
  28 (defun arch-tocol (target &optional fill)
  29   "Produces a string to skip to column TARGET. Prepends newline if needed.
  30 The optional FILL should be a character, used to fill to the column."
  31   (if (null fill)
  32       (setq fill ? ))
  33   (if (< target (current-column))
  34       (concat "\n" (make-string target fill))
  35     (make-string (- target (current-column)) fill)))
  36 ;;
  37 (defun arch-rj (target field &optional fill)
  38   "Produces a string to skip to column TARGET minus the width of field FIELD.
  39 Prepends newline if needed. The optional FILL should be a character,
  40 used to fill to the column."
  41   (arch-tocol (- target (length (nth field forms-fields))) fill))
  42
  43 ;; Record filters.
  44 ;;
  45 (defun arch-new-record-filter (the-record)
  46   "Form a new record with some defaults."
  47   (aset the-record arch-from (user-full-name))
  48   (aset the-record arch-date (current-time-string))
  49   the-record                            ; return it
  50 )
  51 (setq forms-new-record-filter 'arch-new-record-filter)
  52
  53 ;; The format list.
  54 (setq forms-format-list
  55      (list
  56        "====== Public Domain Software Archive ======\n\n"
  57        arch-shortname
  58        " - "                    arch-longname
  59        "\n\n"
  60        "Article: "              arch-newsgroup
  61        "/"                      arch-article
  62        " "
  63        '(arch-tocol 40)
  64        "Issue: "                arch-issue
  65        " "
  66        '(arch-rj 73 10)
  67        "Date: "                 arch-date
  68        "\n\n"
  69        "Submitted by: "         arch-from
  70        "\n"
  71        '(arch-tocol 79 ?-)
  72        "\n"
  73        "Keywords: "             arch-keywords
  74        "\n\n"
  75        "Parts: "                arch-parts
  76        "\n\n====== Remarks ======\n\n"
  77        arch-remarks
  78      ))
  79
  80 ;; That's all, folks!