;+
;
; @file_comments
;
; @categories
;
; @param EVENT
;
; @returns
;
; @uses
;
; @restrictions
;
; @examples
;
; @history
;
; @version
; $Id$
;
; @todo
; seb
;-
PRO xxxmenubar_event, event
;
  compile_opt idl2, strictarrsubs
;
@common
;
  case event.value of
    'Open' :begin
      oldmeshparams = ccmeshparameters
      newfile = selectfile()
      if size(newfile, /type) NE 8 then return
      widget_control, event.top, /hourglass
      widget_control, event.top, update = 0
      widget_control, event.top, get_uvalue = top_uvalue
; We take care of filelist
      filelist = extractatt(top_uvalue, 'filelist')
      filelist = [filelist, newfile.fileparameters.filename]
      currentfile = n_elements(filelist)-1
; We update the widget
      filelistid = widget_info(event.top, find_by_uname = 'filelist')
      widget_control, filelistid, combobox_additem = file_basename(newfile.fileparameters.filename)
      widget_control, filelistid, set_combobox_select = currentfile
; We update filelist and currentfile's elements of the top_value
      *top_uvalue[1, findline(top_uvalue, 'filelist')] = filelist
      oldfile = *top_uvalue[1, findline(top_uvalue, 'currentfile')]
      *top_uvalue[1, findline(top_uvalue, 'currentfile')] = currentfile
; We take care of the name of the variable
      vlstid = widget_info(event.top, find_by_uname = 'varlist')
; What is the selected field ? Do we reselect it ?
      fieldname = widget_info(vlstid, /combobox_gettext)
      index = where(newfile.fileparameters.listvar EQ fieldname)
      widget_control, vlstid, set_value = newfile.fileparameters.listvar
      widget_control, vlstid, set_combobox_select = 0 > index[0]
; We take care of the calendar.
      key_caltype = newfile.fileparameters.caltype
      date1id = widget_info(event.top, find_by_uname = 'calendar1')
      widget_control, date1id, get_value = date1
      widget_control, date1id, /destroy
      jdate1 = jul2date(date1)
      if (where(newfile.fileparameters.time_counter EQ jdate1))[0] EQ -1 $
      then jdate1 = newfile.fileparameters.time_counter[0]
      date2id = widget_info(event.top, find_by_uname = 'calendar2')
      widget_control, date2id, get_value = date2
      widget_control, date2id, /destroy
      jdate2 = jul2date(date2)
      if (where(newfile.fileparameters.time_counter EQ jdate2))[0] EQ -1 then jdate2 = jdate1
      basecal = widget_info(event.top, find_by_uname = 'basecal')
      fakecal = newfile.fileparameters.fakecal
      rien = cw_calendar(basecal, newfile.fileparameters.time_counter, jdate1, uname = 'calendar1' $
                         , FAKECAL = fakecal, uvalue = {name:'calendar1'}, /frame)
      rien = cw_calendar(basecal, newfile.fileparameters.time_counter, jdate2, uname = 'calendar2' $
                         , FAKECAL = fakecal, uvalue = {name:'calendar2'}, /frame)
; We update fileparameters, readparameters and meshparameters elements of the top_value
      newfileparameters = ptrarr(currentfile+1, /allocate_heap)
      FOR i = 0, currentfile-1 DO $
         *newfileparameters[i] = *(extractatt(top_uvalue, 'fileparameters'))[i]
      *newfileparameters[currentfile] = newfile.fileparameters
      ptr_free, extractatt(top_uvalue, 'fileparameters')
      *top_uvalue[1, findline(top_uvalue, 'fileparameters')] = newfileparameters
;
      newreadparameters = ptrarr(currentfile+1, /allocate_heap)
      FOR i = 0, currentfile-1 DO $
         *newreadparameters[i] = *(extractatt(top_uvalue, 'readparameters'))[i]
      *newreadparameters[currentfile] = newfile.readparameters
      ptr_free, extractatt(top_uvalue, 'readparameters')
      *top_uvalue[1, findline(top_uvalue, 'readparameters')] = newreadparameters
;
      newmeshparameters = ptrarr(currentfile+1, /allocate_heap)
      FOR i = 0, currentfile-1 DO $
         *newmeshparameters[i] = *(extractatt(top_uvalue, 'meshparameters'))[i]
      *newmeshparameters[currentfile] = newfile.meshparameters
      ptr_free, extractatt(top_uvalue, 'meshparameters')
      *top_uvalue[1, findline(top_uvalue, 'meshparameters')] = newmeshparameters
; We update the widget!
      if cmpgrid(oldmeshparams) then BEGIN
        domainid = widget_info(event.top, find_by_uname = 'domain')
        widget_control, domainid, set_value = -1
      endif
      widget_control, event.top, update = 1
    end
    'New xxx' :BEGIN
      widget_control, event.top, get_uvalue = top_uvalue
      extra = extractatt(top_uvalue, 'extra')
      xxx, CALLERWIDID = event.top, _extra = extra
    end
    'Quit':begin
      widget_control, event.top, get_uvalue = top_uvalue
      ptr_free, extractatt(top_uvalue, 'exextra')
      ptr_free, extractatt(top_uvalue, 'fileparameters')
      ptr_free, extractatt(top_uvalue, 'readparameters')
      ptr_free, extractatt(top_uvalue, 'meshparameters')
      ptr_free, top_uvalue
      widget_control, event.top, /destroy ;We shut the widget
    end
    'PostScript' :BEGIN
      IF lmgr(/demo) EQ 1 THEN BEGIN
        dummy = report('impossible to save as postscript in demo mode')
        return
      ENDIF
      widget_control, event.top, get_uvalue = top_uvalue
; We recuperate the list of instructions
      globalcommand = extractatt(top_uvalue, 'globalcommand')
;      for i = 0, n_elements(globalcommand)-1 do print, globalcommand[i]
; We complete by first and last lines of the program.
      createpro, globalcommand, filename = myuniquetmpdir + 'xxx2ps.pro' $
                 , KWDLIST = ', NOERASE = noerase, POSTSCRIPT = postscript' $
                 +', PORTRAIT = portrait, LANDSCAPE = landscape' $
                 +', DATE1IN = date1in, DATE2IN = date2in' $
                 , /POSTSCRIPT
    END
    'Animated gif' :begin
      IF float(strmid(!version.release,0,3)) GE 6.2 THEN xcreateanim, event.top
    end
    'Gif' :BEGIN
      IF lmgr(/demo) EQ 1 THEN BEGIN
        dummy = report('impossible to save as an image in demo mode')
        return
      ENDIF
      widget_control, event.top, get_uvalue = top_uvalue
      smallin = extractatt(top_uvalue, 'smallin')
      numdessinin = smallin[2]-1
      smallout = extractatt(top_uvalue, 'smallout')
      numdessinout = smallout[2]-1
      tracecadre, smallin, /erase
      tracecadre, smallout, /erase
      filename = xquestion('In which GIF file do you want to save xxx screen ?', 'xxx_image.gif')
      if rstrpos(filename, '.gif') NE strlen(filename)-4 then filename = filename+'.gif'
      filename = isafile(file = filename, io = imagedir, /new)
      saveimage, filename, /quiet
    end
    'IDL procedure':BEGIN
      IF lmgr(/demo) EQ 1 THEN BEGIN
        dummy = report('impossible to save as a idl program file in demo mode')
        return
      ENDIF
; We recuperate the name of the file
      filename = xquestion('In which IDL file do you want to save commands for this graph ?', 'xxx_figure.pro')
; We complete it by a .pro
      if rstrpos(filename, '.pro') NE strlen(filename)-4 then filename = filename+'.pro'
      filename = isafile(file = filename, io = homedir, /new)
      widget_control, event.top, get_uvalue = top_uvalue
; portrait or landscape ???
      options = extractatt(top_uvalue, 'options')
      optionsflag = extractatt(top_uvalue, 'optionsflag')
      portrait = (optionsflag[where(options EQ 'Portrait/Landscape'), 0])[0]
; We read commands to do a plot
      globalcommand = extractatt(top_uvalue, 'globalcommand')
; We complete by first and last lines of the program
      thisOS = strupcase(strmid(!version.os_family, 0, 3))
      CASE thisOS of
        'MAC':sep = ':'
        'WIN':sep = '\'
        ELSE:sep = '/'
      ENDCASE
      poslastsep = rstrpos(filename, sep)
      proname = strmid(filename, poslastsep+1, strlen(filename)-poslastsep-1-4)
      globalcommand = ['pro '+proname+', NOERASE = noerase, POSTSCRIPT = postscript, PORTRAIT = portrait, LANDSCAPE = landscape, DATE1IN = date1in, DATE2IN = date2in, _extra = ex' $
                       , ' ' $
                       , '   '+globalcommand $
                       , ' ' $
                       , 'return' $
                       , 'end']
; We write it in a program
      putfile, filename, globalcommand
    END
    'RESTORE kwd of xxx':BEGIN
      IF lmgr(/demo) EQ 1 THEN BEGIN
        dummy = report('impossible to save the widget in demo mode')
        return
      ENDIF
; We recuperate the name of the file
      filename = xquestion('In which binary file do you want to save the widget ?', 'xxx_widget.dat')
; We complete it by a .dat
      if rstrpos(filename, '.dat') NE strlen(filename)-4 then filename = filename+'.dat'
      filename = isafile(file = filename, io = homedir, /new)
;
      widget_control, event.top, get_uvalue = uvalue
      widget_control, extractatt(uvalue, 'graphid'), get_value = win
      wshow, win
      wset, win
      image = tvrd(/true)
      save, uvalue, image, filename = filename
    END
    'Print to prompt':BEGIN
      commande = getfile(myuniquetmpdir + 'xxx_oneplot.pro')
      for i = 0,  n_elements(commande)-1 do print, commande[i]
    end
   'Portrait/Landscape' :begin
      widget_control, event.top, get_uvalue = top_uvalue
      options = extractatt(top_uvalue, 'options')
      index = where(options EQ 'Portrait/Landscape') & index = index[0]
      optionsflag = extractatt(top_uvalue, 'optionsflag')
      key_portrait = 1-optionsflag[index, 0]
      (*top_uvalue[1, findline(top_uvalue, 'optionsflag')])[index, *] = key_portrait
; Separated windows or windows stuck to the widget?
      if widget_info(event.top, find_by_uname = 'graph') EQ 0 then BEGIN
; We delete the window
        graphid = extractatt(top_uvalue, 'graphid')
        widget_control, widget_info(graphid, /parent), /destroy
; We recreate it.
        basegraph = widget_base(title = 'xxx window',  group_leader = event.top, uvalue = event.top,  uname = 'basegraph')
        windsize = givewindowsize()
        graphid = widget_draw(basegraph, uname = 'graph' $
                              , uvalue = {name:'graph', press:0, click:0, x:[0., 0.], y:[0., 0.]} $
                              , /button_events, retain = 2 $
                              , xsize = windsize[0], ysize = windsize[1])
        widget_control, basegraph, /realize
        xmanager, 'xxx', basegraph, /no_block
; We redraw what they were into it
; We recuperate the list of instructions
        globalcommand = extractatt(top_uvalue, 'globalcommand')
; We complete by first and last lines of the program
        createpro, globalcommand, filename = myuniquetmpdir + 'xxx2ps.pro' $
                   , KWDLIST = ', NOERASE = noerase, POSTSCRIPT = postscript, PORTRAIT = portrait, LANDSCAPE = landscape' $
                   , KWDUSED = ', /noerase, PORTRAIT = portrait'
; We reattribute the graphic element of the top_value
        *top_uvalue[1, findline(top_uvalue, 'graphid')] = graphid
      ENDIF ELSE BEGIN
        extra = extractatt(top_uvalue, 'extra')
        xxx, CALLERWIDID = event.top, /redraw, _extra = extra
        widget_control, event.top, /destroy ;We shut the widget
      ENDELSE
    end
    'Overlay' :begin
      widget_control, event.top, get_uvalue = top_uvalue
      numdessinin = (extractatt(top_uvalue, 'smallin'))[2]-1
      options = extractatt(top_uvalue, 'options')
      flags = extractatt(top_uvalue, 'optionsflag')
      index = where(options EQ 'Overlay')
; We change the flag on Longitude / x index
      flag = 1-flags[index, numdessinin] & flag = flag[0]
; We reattribute it
      (*top_uvalue[1, findline(top_uvalue, 'optionsflag')])[index, numdessinin] = flag
    end
    'Vecteur':BEGIN
      widget_control, event.top, get_uvalue = top_uvalue
      numdessinin = (extractatt(top_uvalue, 'smallin'))[2]-1
      options = extractatt(top_uvalue, 'options')
      flags = extractatt(top_uvalue, 'optionsflag')
      index = where(options EQ 'Vecteur')
; We change the flag on Longitude / x index
      flag = 1-flags[index, numdessinin] & flag = flag[0]
; We reattribute it
      (*top_uvalue[1, findline(top_uvalue, 'optionsflag')])[index, numdessinin] = flag
    end
    'Longitude / x index':BEGIN
      widget_control, event.top, get_uvalue = top_uvalue
      numdessinin = (extractatt(top_uvalue, 'smallin'))[2]-1
      options = extractatt(top_uvalue, 'options')
      flags = extractatt(top_uvalue, 'optionsflag')
      index = where(options EQ 'Longitude / x index')
; We change the flag on Longitude / x index
      flag = 1-flags[index, numdessinin] & flag = flag[0]
; We reattribute it
      (*top_uvalue[1, findline(top_uvalue, 'optionsflag')])[index, numdessinin] = flag
; Now we will change sliders defining the boxzoom
      domainid = widget_info(event.top, find_by_uname = 'domain')
      boxzoom = (extractatt(top_uvalue, 'domaines'))[*, numdessinin]
; We want to find the type of grid which is used
      currentfile = extractatt(top_uvalue, 'currentfile')
      listgrid = (*(extractatt(top_uvalue, 'fileparameters'))[currentfile]).listgrid
      listvar = (*(extractatt(top_uvalue, 'fileparameters'))[currentfile]).listvar
      vlstid = widget_info(event.top, find_by_uname = 'varlist')
      namevar = widget_info(vlstid, /combobox_gettext)
      indexvar = where(listvar EQ namevar)
      vargrid = strupcase(listgrid[indexvar])
      if flag EQ 0 then BEGIN   ; longitudes
; We do a domdef to find the lon1 lon2 corresponding to the boxzoom defined on the widget...
        domdef, boxzoom, gridtype = vargrid, /xindex $
                , yindex = (flags[where(options EQ 'Latitude / y index'), numdessinin])[0]
        widget_control, domainid, set_value = [lon1, lon2, boxzoom[2:3]]
      ENDIF ELSE BEGIN          ; xindex
; now we want to find firstx, lastx corresponding to the boxzoom defined on the widget...
        domdef, boxzoom, gridtype = vargrid $
                , yindex = (flags[where(options EQ 'Latitude / y index'), numdessinin])[0]
        grille, -1, -1, -1, -1, nx, ny, nz, firstx, firsty, firstz, lastx, lasty, lastz
        widget_control, domainid, set_value = [firstx, lastx, boxzoom[2:3]]
      ENDELSE
; We update the top_uvalue
      widget_control, domainid, get_value = boxzoom
      (*top_uvalue[1, findline(top_uvalue, 'domaines')])[*, numdessinin] = boxzoom
    end
    'Latitude / y index':begin
      widget_control, event.top, get_uvalue = top_uvalue
      numdessinin = (extractatt(top_uvalue, 'smallin'))[2]-1
      options = extractatt(top_uvalue, 'options')
      flags = extractatt(top_uvalue, 'optionsflag')
      index = where(options EQ 'Latitude / y index')
; We change the flag on Latitude / y index
      flag = 1-flags[index, numdessinin] & flag = flag[0]
; We reattribute it
      (*top_uvalue[1, findline(top_uvalue, 'optionsflag')])[index, numdessinin] = flag
; Now we will change sliders defining the boxzoom
      domainid = widget_info(event.top, find_by_uname = 'domain')
      boxzoom = (extractatt(top_uvalue, 'domaines'))[*, numdessinin]
; We want to find the type of grid which is used
      currentfile = extractatt(top_uvalue, 'currentfile')
      listgrid = (*(extractatt(top_uvalue, 'fileparameters'))[currentfile]).listgrid
      listvar = (*(extractatt(top_uvalue, 'fileparameters'))[currentfile]).listvar
      vlstid = widget_info(event.top, find_by_uname = 'varlist')
      namevar = widget_info(vlstid, /combobox_gettext)
      indexvar = where(listvar EQ namevar)
      vargrid = strupcase(listgrid[indexvar])
      if flag EQ 0 then BEGIN   ; latitudes
; We do a domdef to find the lat1 lat2 corresponding to the boxzoom defined on the widget...
        domdef, boxzoom, gridtype = vargrid, /yindex $
                , xindex = (flags[where(options EQ 'Longitude / x index'), numdessinin])[0]
        widget_control, domainid, set_value = [boxzoom[0:1], lat1, lat2]
      ENDIF ELSE BEGIN          ; yindex
; now we want to find firsty, lasty corresponding to the boxzoom defined on the widget...
        domdef, boxzoom, gridtype = vargrid $
                , xindex = (flags[where(options EQ 'Longitude / x index'), numdessinin])[0]
        grille, -1, -1, -1, -1, nx, ny, nz, firstx, firsty, firstz, lastx, lasty, lastz
        widget_control, domainid, set_value = [boxzoom[0:1], firsty, lasty]
      ENDELSE
; We update the top_uvalue
      widget_control, domainid, get_value = boxzoom
      (*top_uvalue[1, findline(top_uvalue, 'domaines')])[*, numdessinin] = boxzoom
    END
  endcase
  return
end