;------------------------------------------------------------
;------------------------------------------------------------
;------------------------------------------------------------
;+
; @file_comments Close the Postscript mode
;
;  when archive_ps ne 0, we add the name and the date
;  at the bottom left corner of the postcript page. If the
;  postscript is called idl.ps we change its name to number.ps
;  (number automatically found to be 1 larger that any of the
;  existing ps file)
;
; @keyword INFOWIDGET A long integer giving the id of the information
;           widget (created by openps) that we have de destroy at 
;           the end of closeps (when the postscript is done)
;
; @uses cm_4ps
;
; @history Sebastien Masson (smasson\@lodyc.jussieu.fr)
;                       21/12/98
; June 2005: Sebastien Masson, english version with new commons 
;-
;------------------------------------------------------------
;------------------------------------------------------------
;------------------------------------------------------------
PRO closeps, INFOWIDGET = infowidget
;
   IF lmgr(/demo) EQ 1 THEN return
;------------------------------------------------------------
; include commons
@cm_4ps
  IF NOT keyword_set(key_forgetold) THEN BEGIN
@updatenew
  ENDIF
;
  IF !d.name NE 'PS' THEN GOTO, last_part
;------------------------------------------------------------
; if archive_ps /= 0 we will add its name and the date at the bottom
; left corner of the page (in case if the postscript will be archived 
; in printps 
;------------------------------------------------------------
   IF keyword_set(archive_ps) THEN BEGIN
;------------------------------------------------------------
; we get the name of the latest created postscript. 
;------------------------------------------------------------
     psdir = isadirectory(psdir, title = 'Select psdir')
     nameps = file_search(psdir+'*.ps' $
                          , /test_regular, /test_write, /nosort)
     dates = (file_info(nameps)).mtime
     lastdate = (reverse(sort(temporary(dates))))[0]
     nameps = nameps[lastdate]
     nameps = file_basename(nameps, '.ps')
; If this name is idl.ps then we change it to the number.ps
     IF nameps EQ 'idl' then BEGIN
; get the name of all the *.ps or *.ps.gz files available in psdir
       allps = file_search(psdir+'*[.ps|.ps.gz|.pdf]', /test_regular, /nosort)
       allps = file_basename(file_basename(allps,'.gz'),'.ps')
       allps = file_basename(allps,'.pdf')
; find which of these names corresponds to numbers...
; get ascii codes of the names
       testnumb = byte(allps)
; longest name
       maxstrlen = (size(testnumb, /dimensions))[0]
; ascii codes can be 0 or between byte('0') and byte('9')
       testnumb = testnumb EQ 0 OR $
                  (testnumb GE (byte('0'))[0] AND testnumb LE (byte('9'))[0])
       testnumb = where(total(testnumb, 1) EQ maxstrlen, count)
       IF count NE 0 THEN BEGIN
; get the largest number
         psnumber = fix(allps[testnumb])
         psnumber = (psnumber[reverse(sort(psnumber))])[0] + 1
       ENDIF ELSE psnumber = 0
       nameps = strtrim(psnumber, 2)
     ENDIF
;------------------------------------------------------------
; we annote the postscript
;------------------------------------------------------------
     date = byte(systime(0))    ; we get the date
     xyouts, !d.x_px_cm, !d.y_px_cm $
             , nameps+') '+string(date[4:10])+string(date[20:23]) $
             , /device, charsize = .75
   ENDIF
;------------------------------------------------------------
; close the postcript mode
   device, /close
;
last_part:
;
   thisOS = strupcase(strmid(!version.os_family, 0, 3))
   CASE thisOS of
     'MAC': SET_PLOT, thisOS
     'WIN': SET_PLOT, thisOS
     ELSE: SET_PLOT, 'X'
   ENDCASE    
   def_myuniquetmpdir
   colorfile = myuniquetmpdir + 'original_colors.dat'
   IF file_test(colorfile, /regular) THEN BEGIN
     restore, colorfile
     file_delete, colorfile, /quiet
; reload the original colors
     tvlct, red, green, blue
   ENDIF
   !p.font = -1
; force background color to the last color (white)
   !p.BACKGROUND=(!d.n_colors-1) < 255
   !p.color=0
   if !d.n_colors gt 256 then !p.background='ffffff'x
;------------------------------------------------------------
   if keyword_set(infowidget) then $
    widget_control, long(infowidget), bad_id = toto, /destroy
;------------------------------------------------------------
   return
end