标注时自动切换到DIM图层

[code=lisp](defun xlr-autolayer ()

;  (setvar "cmdecho" 0)

;  (if (null (tblsearch "layer" "text"))

;    (set_layer_list "text" 3 "continuous")

;  )

;  (if (null (tblsearch "layer" "dim"))

;    (set_layer_list "dim" 3 "continuous")

;  )

(vl-load-com)

;; 图层初始化列表 内容：commands layers color linetype plottable

(setq *doc (vla-get-activedocument (vlax-get-acad-object)))

(setq *lays (vla-get-layers *doc))

(setq        *laylst

(list (list "DIMANGULAR" "DIM" 3 "continuous" T)

(list "DIMALIGNED" "DIM" 3 "continuous" T)

(list "DIMBASELINE" "DIM" 3 "continuous" T)

(list "DIMCENTER" "DIM" 3 "continuous" T)

(list "DIMCONTINUE" "DIM" 3 "continuous" T)

(list "DIMDIAMETER" "DIM" 3 "continuous" T)

(list "DIMLINEAR" "DIM" 3 "continuous" T)

(list "DIMORDINATE" "DIM" 3 "continuous" T)

(list "DIMRADIUS" "DIM" 3 "continuous" T)

(list "QDIM" "DIM" 3 "continuous" T)

(list "QLEADER" "DIM" 3 "continuous" T)

(list "DTEXT" "TEXT" 3 "continuous" T)

(list "MTEXT" "TEXT" 3 "continuous" T)

(list "TEXT" "TEXT" 3 "continuous" T)

;(list "BHATCH" "填充" 9 "continuous" T)

;(list "HATCH" "填充" 9 "continuous" T)

;(list "POINT" "点" 4 "continuous" T)

;(list "XLINE" "辅助线" 8 "continuous" T)

;(list "LINE" "0" NIL "continuous" T)

;(list "XREF" "引用" 7 "continuous" T)

;(list "pline" "多义线" 2 "center" T)

)

)

(setq OldLayer nil)

(setq *cmdlst (mapcar 'strcase (mapcar 'car *laylst)))

(mapcar '(lambda (x) (vlr-command-reactor nil x))

(list        '((:vlr-commandWillStart . xlr-start))

'((:vlr-commandEnded . xlr-end))

'((:vlr-commandCancelled . xlr-cancel))

)

)

(vlr-editor-reactor

nil

'((:vlr-commandwillstart . xlr-edit))

)

)

;;;----------------------------------------------------------------------------;;;

(defun xlr-edit        (CALL CALLBACK /)

(foreach N *laylst

(if        (= (strcase (car CALLBACK)) (strcase (car N)))

; 命令反应器返回信息如果与设置的命令相同.

(progn                                ;建立图层

(apply 'xsetlays (cdr N))

;(setvar "CLAYER" (cadr N));设为当前层.

)

)

)

)

;;;----------------------------------------------------------------------------;;;

(defun xlr-start (calling-reactor xlr-startInfo /)

(foreach N *laylst

(if        (= (strcase (car xlr-startInfo)) (strcase (car N)))

; 命令反应器返回信息如果与设置的命令相同.

(progn                                ;建立图层

(apply 'xsetlays (cdr N))

;(setvar "CLAYER" (cadr N));设为当前层.

)

)

)

)

;;;----------------------------------------------------------------------------;;;

(defun xlr-end (calling-reactor xlr-endInfo / cmd)

(setq cmd (car xlr-endInfo))

(if (member cmd *cmdlst)

(if (/= oldlayer nil)

(progn

(setvar "CLAYER" OldLayer)

(setq OldLayer nil)

)

)

)

)

;;;----------------------------------------------------------------------------;;;

(defun xlr-cancel (calling-reactor xlr-cancelInfo / cmd)

(setq cmd (car xlr-cancelInfo))

(if (member cmd *cmdlst)

(if (/= oldlayer nil)

(progn

(setvar "CLAYER" OldLayer)

(setq OldLayer nil)

)

)

)

)

;;;----------------------------------------------------------------------------;;;

;;;----------------------------------------------------------------------------;;;

(defun xsetlays        (LAY-NAM COLOR LTYPE plotk / LAYOBJ LTYPESOBJ)

(if (tblobjname "layer" LAY-NAM)

(progn

(if (/= (strcase (getvar "CLAYER"))

(strcase LAY-NAM)

)

(setq OldLayer (getvar "CLAYER"))

(progn

(if (= oldlayer nil)

(setq OldLayer LAY-NAM)

)

)

)

(setvar "CLAYER" lay-nam)

)

(progn                                ;添加图层.

(vl-catch-all-error-p

(vl-catch-all-apply 'vla-add (list *lays LAY-NAM))

)

(setq LAYOBJ (vla-item *lays LAY-NAM))

(if (not (tblobjname "ltype" LTYPE)) ;添加线型.

(progn

(setq LTYPESOBJ (vla-get-linetypes *doc))

(vla-load LTYPESOBJ LTYPE (findfile "acad.lin"))

;>>>　要加强，在多个*.lin寻找

(vlax-release-object LTYPESOBJ)

)

)                                        ;解冻(如冻结)，解锁,设图层为当前,设图层颜色，可打印特性.

(vla-put-layeron layobj :vlax-true)

(vla-put-lock layobj :vlax-false)

(if (= (strcase (getvar "CLAYER")) (strcase lay-nam)) ;解冻.

(vla-put-freeze layobj :vlax-false)

)

(vla-put-color layobj color)

(vla-put-linetype layobj LTYPE)

(vla-put-plottable

layobj

(if plotk

:vlax-true

:vlax-false

)

)

)

)

)

(xlr-autolayer)                                ;加载启动!

(princ "\n ----命令图层反应器已加载----")

[/code]