[编程交流] 单属性编辑LISP

  ;; List Select Dialog (Temp DCL list box selection, based on provided list)
 ;; title - list box title
 ;; label - label for list box
 ;; height - height of box
 ;; width - width of box
 ;; multi - selection method ["true": multiple, "false": single]
 ;; lst - list of strings to place in list box
 ;; Alan J. Thompson, 09.23.08 / 05.17.10 (rewrite)
(defun AT:ListSelect (title label height width multi lst / fn fo d f)
 (setq fo (open (setq fn (vl-filename-mktemp "" "" ".dcl")) "w"))
 (foreach x (list (strcat "list_select : dialog { label = "" title ""; spacer;")
                  (strcat ": list_box { label = "" label "";" "key = "lst";")
                  (strcat "allow_accept = true; height = " (vl-princ-to-string height) ";")
                  (strcat "width = " (vl-princ-to-string width) ";")
                  (strcat "multiple_select = " multi "; } spacer; ok_cancel; }")
            )
   (write-line x fo)
 )
 (close fo)
 (new_dialog "list_select" (setq d (load_dialog fn)))
 (start_list "lst")
 (mapcar (function add_list) lst)
 (end_list)
 (setq item (set_tile "lst" "0"))
 (action_tile "lst" "(setq REVBY $value)")
 (setq f (start_dialog))
 (unload_dialog d)
 (vl-file-delete fn)
 (if (= f 1)
   ((lambda (s / i s l)
      (while (setq i (vl-string-search " " s))
        (setq l (cons (nth (atoi (substr s 1 i)) lst) l))
        (setq s (substr s (+ 2 i)))
      )
      (reverse (cons (nth (atoi s) lst) l))
    )
     item
   )
 )
)