The following example exploits most of the features of Forms mode. This example is included in the distribution as file etc/forms/forms-d2.el.
;; demo2 -- demo forms-mode -*- emacs-lisp -*- ;; This sample forms exploit most of the features of forms mode. ;; Set the name of the data file. (setq forms-file (expand-file-name "forms/forms-d2.dat" data-directory)) ;; Use
forms-enumerateto 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 ? )) (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 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 '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!