---

;;; ============================================================
;;; DIMFIX.LSP v8
;;; XDATA хранится на INSERT. Исправлен формат группы -3.
;;; ============================================================

(vl-load-com)

(defun DIMFIX_XDATA_REGISTER ()
  (if (null (tblsearch "APPID" "DIMFIX_APP"))
    (entmake (list '(0 . "APPID") '(2 . "DIMFIX_APP")))))

;;; Прочитать все записи: возвращает (("handle" "преф" "суфф") ...)
(defun DIMFIX_READ_ALL (ins_ent / dxf xdata app_data i item result h p s)
  (setq dxf   (entget ins_ent '("DIMFIX_APP")))
  (setq xdata (assoc -3 dxf))
  (setq result '())
  (if xdata
    (progn
      (setq app_data (cdr (assoc "DIMFIX_APP" (cdr xdata))))
      (setq i 0)
      (while (< i (length app_data))
        (setq item (nth i app_data))
        (if (and (= (car item) 1000)
                 (= (cdr item) "DIMFIX"))
          (if (<= (+ i 3) (1- (length app_data)))
            (progn
              (setq h (cdr (nth (+ i 1) app_data)))
              (setq p (cdr (nth (+ i 2) app_data)))
              (setq s (cdr (nth (+ i 3) app_data)))
              (setq result (append result (list (list h p s))))
              (setq i (+ i 4)))
            (setq i (1+ i)))
          (setq i (1+ i))))))
  result)

;;; Собрать XDATA список правильного формата для entmod
;;; Результат: ((-3 ("DIMFIX_APP" (1000 . "DIMFIX") (1000 . h) ...)))
(defun DIMFIX_BUILD_XDATA (records / xlist rec)
  (setq xlist (list "DIMFIX_APP"))
  (foreach rec records
    (setq xlist
      (append xlist
              (list (cons 1000 "DIMFIX")
                    (cons 1000 (nth 0 rec))
                    (cons 1000 (nth 1 rec))
                    (cons 1000 (nth 2 rec))))))
  ;; Правильная вложенность: (-3 ("DIMFIX_APP" ...пары...))
  (list (list -3 xlist)))

;;; Записать одну пару преф/суфф для handle на INSERT
(defun DIMFIX_WRITE_ONE (ins_ent dim_handle pre suf
                         / records found new_records dxf xdata_groups)
  (DIMFIX_XDATA_REGISTER)
  (setq records (DIMFIX_READ_ALL ins_ent))
  (setq found nil)
  (setq new_records
    (mapcar '(lambda (r)
               (if (= (car r) dim_handle)
                 (progn (setq found T) (list dim_handle pre suf))
                 r))
            records))
  (if (null found)
    (setq new_records (append new_records (list (list dim_handle pre suf)))))
  ;; Получить DXF без старой группы -3
  (setq dxf (entget ins_ent '("DIMFIX_APP")))
  (setq dxf (vl-remove-if '(lambda (x) (= (car x) -3)) dxf))
  ;; Добавить новую группу -3 правильного формата
  (setq dxf (append dxf (DIMFIX_BUILD_XDATA new_records)))
  (entmod dxf))

;;; Удалить запись для handle
(defun DIMFIX_DELETE_ONE (ins_ent dim_handle / records new_records dxf)
  (setq records (DIMFIX_READ_ALL ins_ent))
  (setq new_records
    (vl-remove-if '(lambda (r) (= (car r) dim_handle)) records))
  (setq dxf (entget ins_ent '("DIMFIX_APP")))
  (setq dxf (vl-remove-if '(lambda (x) (= (car x) -3)) dxf))
  (if new_records
    (setq dxf (append dxf (DIMFIX_BUILD_XDATA new_records))))
  (entmod dxf))

;;; Прочитать преф/суфф для одного handle
(defun DIMFIX_READ_ONE (ins_ent dim_handle / rec)
  (setq rec (assoc dim_handle (DIMFIX_READ_ALL ins_ent)))
  (if rec (list (cadr rec) (caddr rec)) nil))

;;; ============================================================
;;; ОБНОВЛЕНИЕ ТЕКСТА в *D...
;;; ============================================================

(defun DIMFIX_UPDATE_TEXT (dim_ent pre suf
                           / anon_name anon_def src obj_dxf)
  (setq anon_name (cdr (assoc 2 (entget dim_ent))))
  (if (and anon_name (= (substr anon_name 1 2) "*D"))
    (progn
      (setq anon_def (tblobjname "BLOCK" anon_name))
      (if anon_def
        (progn
          (setq src (entnext anon_def))
          (while (and src
                      (/= (cdr (assoc 0 (entget src))) "ENDBLK"))
            (setq obj_dxf (entget src))
            (if (member (cdr (assoc 0 obj_dxf)) '("TEXT" "MTEXT"))
              (progn
                (entmod (subst (cons 1 (strcat pre "<>" suf))
                               (assoc 1 obj_dxf)
                               obj_dxf))
                (entupd src)))
            (setq src (entnext src))))))))

;;; ============================================================
;;; РЕАКТОРЫ
;;; ============================================================

(if (null *DIMFIX_REACTORS*) (setq *DIMFIX_REACTORS* '()))

(defun DIMFIX_INS_CHANGED_CB (reactor params / ins_ent records dim_ent)
  (setq ins_ent (vlr-owner reactor))
  (if (and ins_ent (not (vlax-erased-p ins_ent)))
    (progn
      (setq records (DIMFIX_READ_ALL ins_ent))
      (foreach rec records
        (setq dim_ent (handent (car rec)))
        (if dim_ent
          (progn
            (DIMFIX_UPDATE_TEXT dim_ent (cadr rec) (caddr rec))
            (entupd dim_ent)))))))

(defun DIMFIX_ATTACH_REACTOR (ins_ent / handle reactor)
  (setq handle (cdr (assoc 5 (entget ins_ent))))
  (if (null (assoc handle *DIMFIX_REACTORS*))
    (progn
      (setq reactor
        (vlr-object-reactor
          (list ins_ent)
          "DIMFIX_APP"
          '((:vlr-modified . DIMFIX_INS_CHANGED_CB))))
      (setq *DIMFIX_REACTORS*
            (append *DIMFIX_REACTORS*
                    (list (cons handle reactor)))))))

(defun DIMFIX_DETACH_REACTOR (ins_ent / handle entry)
  (setq handle (cdr (assoc 5 (entget ins_ent))))
  (setq entry  (assoc handle *DIMFIX_REACTORS*))
  (if entry
    (progn
      (vlr-remove (cdr entry))
      (setq *DIMFIX_REACTORS*
            (vl-remove entry *DIMFIX_REACTORS*)))))

;;; ============================================================
;;; ВОССТАНОВЛЕНИЕ
;;; ============================================================

(defun DIMFIX_RESTORE ( / ent dxf records dim_ent)
  (setq *DIMFIX_REACTORS* '())
  (setq ent (entnext))
  (while ent
    (setq dxf (entget ent '("DIMFIX_APP")))
    (if (and (= (cdr (assoc 0 dxf)) "INSERT")
             (assoc -3 dxf))
      (progn
        (setq records (DIMFIX_READ_ALL ent))
        (if records
          (progn
            (DIMFIX_ATTACH_REACTOR ent)
            (foreach rec records
              (setq dim_ent (handent (car rec)))
              (if dim_ent
                (progn
                  (DIMFIX_UPDATE_TEXT dim_ent (cadr rec) (caddr rec))
                  (entupd dim_ent))))))))
    (setq ent (entnext ent)))
  (princ))

(defun DIMFIX_ON_OPEN (reactor params) (DIMFIX_RESTORE))
(defun DIMFIX_ON_COMMAND_END (reactor params)
  (if (and params (listp params) (car params) (stringp (car params)))
    (if (member (strcase (car params)) '("REGEN" "REGENALL" "REGENVISIBLE"))
      (DIMFIX_RESTORE))))

(vlr-dwg-reactor    nil '((:vlr-endDwgOpen   . DIMFIX_ON_OPEN)))
(vlr-editor-reactor nil '((:vlr-commandEnded . DIMFIX_ON_COMMAND_END)))

;;; ============================================================
;;; ПОИСК БЛИЖАЙШЕГО РАЗМЕРА
;;; ============================================================

(defun DIMFIX_DIST2D (p1 p2)
  (sqrt (+ (expt (- (car p1) (car p2)) 2)
           (expt (- (cadr p1)(cadr p2)) 2))))

(defun DIMFIX_DIM_TEXTPOS (dim_ent / dxf anon_name anon_def src obj_dxf pt)
  (setq dxf (entget dim_ent))
  (setq anon_name (cdr (assoc 2 dxf)))
  (setq pt nil)
  (if (and anon_name (= (substr anon_name 1 2) "*D"))
    (progn
      (setq anon_def (tblobjname "BLOCK" anon_name))
      (if anon_def
        (progn
          (setq src (entnext anon_def))
          (while (and src (/= (cdr (assoc 0 (entget src))) "ENDBLK"))
            (setq obj_dxf (entget src))
            (if (and (null pt)
                     (member (cdr (assoc 0 obj_dxf)) '("TEXT" "MTEXT")))
              (setq pt (cdr (assoc 10 obj_dxf))))
            (setq src (entnext src)))))))
  (if (null pt) (setq pt (cdr (assoc 11 (entget dim_ent)))))
  pt)

(defun DIMFIX_FIND_NEAREST_DIM (blk_name click_pt
                                / blk_def src obj_dxf best_ent best_dist cur_pt cur_dist)
  (setq blk_def (tblobjname "BLOCK" blk_name))
  (if (null blk_def)
    (progn (princ (strcat "\nОшибка: блок \"" blk_name "\" не найден.")) nil)
    (progn
      (setq best_ent nil best_dist nil)
      (setq src (entnext blk_def))
      (while (and src (/= (cdr (assoc 0 (entget src))) "ENDBLK"))
        (setq obj_dxf (entget src))
        (if (= (cdr (assoc 0 obj_dxf)) "DIMENSION")
          (progn
            (setq cur_pt (DIMFIX_DIM_TEXTPOS src))
            (if cur_pt
              (progn
                (setq cur_dist (DIMFIX_DIST2D click_pt cur_pt))
                (if (or (null best_dist) (< cur_dist best_dist))
                  (progn (setq best_ent src) (setq best_dist cur_dist)))))))
        (setq src (entnext src)))
      (if (null best_ent)
        (progn (princ (strcat "\nОшибка: в блоке \"" blk_name "\" нет DIMENSION.")) nil)
        best_ent))))

(defun DIMFIX_GET_DIM_FROM_CLICK ( / sel ins_ent dxf blk_name click_pt dim_ent)
  (setq sel (entsel "\nКликните на блок с размером: "))
  (if (null sel)
    (progn (princ "\nОтмена.") nil)
    (progn
      (setq ins_ent  (car sel))
      (setq click_pt (cadr sel))
      (setq dxf      (entget ins_ent))
      (if (/= (cdr (assoc 0 dxf)) "INSERT")
        (progn
          (princ (strcat "\nОшибка: выбран \"" (cdr (assoc 0 dxf))
                         "\", нужен блок (INSERT)."))
          nil)
        (progn
          (setq blk_name (cdr (assoc 2 dxf)))
          (setq dim_ent  (DIMFIX_FIND_NEAREST_DIM blk_name click_pt))
          (if dim_ent
            (progn
              (princ (strcat "\nНайден размер: "
                             (rtos (cdr (assoc 42 (entget dim_ent))) 2 2)))
              (list dim_ent ins_ent))
            nil))))))

;;; ============================================================
;;; АВТОУСТАНОВКА
;;; ============================================================

(defun DIMFIX_INSTALL ( / lsp_path support_dir acaddoc_path
                          f line found load_line lsp_path_fwd file_dir)
  (setq lsp_path (findfile "dimfix.lsp"))
  (if (null lsp_path)
    (progn
      (setq lsp_path (getfiled "Укажите dimfix.lsp" "" "lsp" 0))
      (if (null lsp_path) (progn (princ "\nОтменено.") (exit)))))
  (setq file_dir    (vl-filename-directory lsp_path))
  (setq support_dir (vl-filename-directory (findfile "acad.pat")))
  (if (null support_dir) (setq support_dir file_dir))
  (setq acaddoc_path (strcat support_dir "acaddoc.lsp"))
  (setq lsp_path_fwd (vl-string-subst "/" "\\" lsp_path))
  (setq load_line (strcat "(if (findfile \"" lsp_path_fwd "\") (load \"" lsp_path_fwd "\"))"))
  (setq found nil)
  (if (findfile acaddoc_path)
    (progn
      (setq f (open acaddoc_path "r"))
      (while (setq line (read-line f))
        (if (vl-string-search "dimfix" line) (setq found T)))
      (close f)))
  (if found
    (princ "\nDimFix уже в acaddoc.lsp.")
    (progn
      (setq f (open acaddoc_path "a"))
      (write-line "" f)
      (write-line ";; === DimFix autoload ===" f)
      (write-line load_line f)
      (close f)
      (princ (strcat "\nУстановлен в: " acaddoc_path))))
  (setq cur_paths (getenv "ACAD"))
  (if (null (vl-string-search (strcase file_dir)
                               (strcase (if cur_paths cur_paths ""))))
    (setenv "ACAD" (strcat (if cur_paths cur_paths "") ";" file_dir)))
  (princ))

(if (null *DIMFIX_INSTALLED*)
  (progn (DIMFIX_INSTALL) (setq *DIMFIX_INSTALLED* T)))

;;; ============================================================
;;; SETDIMFIX
;;; ============================================================

(defun c:SETDIMFIX ( / result dim_ent ins_ent dim_handle
                       cur_data cur_pre cur_suf new_pre new_suf)
  (setq result (DIMFIX_GET_DIM_FROM_CLICK))
  (if (null result) (exit))
  (setq dim_ent    (car result))
  (setq ins_ent    (cadr result))
  (setq dim_handle (cdr (assoc 5 (entget dim_ent))))
  (setq cur_data   (DIMFIX_READ_ONE ins_ent dim_handle))
  (setq cur_pre    (if cur_data (car  cur_data) ""))
  (setq cur_suf    (if cur_data (cadr cur_data) ""))
  (princ (strcat "\nРазмер: " (rtos (cdr (assoc 42 (entget dim_ent))) 2 2)
                 "  Преф: \"" cur_pre "\"  Суфф: \"" cur_suf "\""))
  (setq new_pre (getstring T (strcat "\nПрефикс [" cur_pre "] (Enter = без изменений): ")))
  (setq new_suf (getstring T (strcat "\nСуффикс [" cur_suf "] (Enter = без изменений): ")))
  (if (= new_pre "") (setq new_pre cur_pre))
  (if (= new_suf "") (setq new_suf cur_suf))
  (if (and (= new_pre cur_pre) (= new_suf cur_suf))
    (progn (princ "\nИзменений нет.") (exit)))
  (DIMFIX_WRITE_ONE    ins_ent dim_handle new_pre new_suf)
  (DIMFIX_ATTACH_REACTOR ins_ent)
  (DIMFIX_UPDATE_TEXT  dim_ent new_pre new_suf)
  (entupd dim_ent)
  (princ (strcat "\nГотово! \"" new_pre "<>" new_suf "\""))
  (princ))

;;; ============================================================
;;; CLEARDIMFIX
;;; ============================================================

(defun c:CLEARDIMFIX ( / result dim_ent ins_ent dim_handle records)
  (setq result (DIMFIX_GET_DIM_FROM_CLICK))
  (if (null result) (exit))
  (setq dim_ent    (car result))
  (setq ins_ent    (cadr result))
  (setq dim_handle (cdr (assoc 5 (entget dim_ent))))
  (DIMFIX_DELETE_ONE  ins_ent dim_handle)
  (DIMFIX_UPDATE_TEXT dim_ent "" "")
  (entupd dim_ent)
  (if (null (DIMFIX_READ_ALL ins_ent))
    (DIMFIX_DETACH_REACTOR ins_ent))
  (princ "\nПреф/суфф сброшены.")
  (princ))

(if (/= (getvar "DWGNAME") "") (DIMFIX_RESTORE))

(princ "\nDimFix загружен. Команды: SETDIMFIX / CLEARDIMFIX")
(princ)
;;; EOF