Subversion Repositories wimsdev

# Variable calculations should be done in this file.

# It is read and interpreted by wims for all valid calls to the module.

!read adm/class/classlang names.phtml

!! number of lines in a record of a sheet

!set sheetrecordlimit=11

scnt=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheets

!if $job=cleantechvar

  !bound sheet between 1 and $scnt default $empty

  !if $sheet!=$empty

    !readproc proc/checktechvar.proc clean

  !endif

  job=$empty

!endif

!if $job!=$empty and $job notwordof text modify

  job1=$job

  !!for the icon and the title

  !if $job=getsource

    job1=sheetsource

  !endif

  !if $job=prep_putsource

    job1=putsource

  !endif

  !default name_$(job1)=$(wims_name_$job1)

  wims_ariane=!append line sheetadmin,1,cmd=resume to $wims_ariane

  !if $(name_$(job1))!=$empty or

    wims_ariane=!append line "$(name_$(job1))",8, to $wims_ariane

  !endif

!else

  !set wims_ariane=!append line sheetadmin,8 to $wims_ariane

!endif

!set wims_ariane_self=no

!if $sheet>$scnt

  wims_infoshow=yes

  !setdef wims_infoshow=$wims_infoshow in wimshome/sessions/$wims_session/var.stat

!endif

!if $cmd=resume

  !bound infoshow within yes,no default $wims_infoshow

  wims_infoshow=$infoshow

  !setdef wims_infoshow=$wims_infoshow in wimshome/sessions/$wims_session/var.stat

!endif

tmp=!defof MAX_SHEETS\

MAX_REQUIRE\

DF_SEVERITY\

MIN_WEIGHT\

MAX_WEIGHT\

MAX_EXOS in wimshome/public_html/bases/sys/define.conf

!distribute line $tmp into max_sheets,require_limit,df_severity,min_weight,max_weight,max_exos

title_limit=80

desc_limit=4000

etitle_limit=100

edesc_limit=400

require_limit=$[$require_limit/10]

wims_prefix=class user tmp n sharing sharable techvar

srcname=wimshome/$wims_sesdir/home_sheet.src

wims_helper=chapter=3

!readproc tabletheme

!if $wims_user!=supervisor

  error=not_supervisor

  !exit

!endif

!if $job=chseries

  !changeto chseries.proc

!endif

!readproc adm/levelname.phtml

!readproc adm/search_engine/names.$lang

!readproc adm/search_engine/mklist_form.proc

today=!char 1 to 8 of $wims_now

thisyear=!char 1 to 4 of $today

!if $class_expiration=$empty

  !defread wimshome/log/classes/$wims_class/.def

  !if $wims_superclass!=$empty

    class_expiration=!defof class_expiration in wimshome/log/classes/$wims_superclass/.def

  !endif

!endif

!if $class_expiration=$empty

  error=bad_class

  !exit

!endif

sharers=

sharing1=!defof sharable_sheet in wimshome/log/classes/$wims_class/neighbors

!for c in $sharing1

  d=!defof sharing_sheet in wimshome/log/classes/$c/neighbors

  !if $d issametext $wims_class

    sharers=!append item $c to $sharers

  !endif

!next c

!if $save!=$empty

  jquery_defined=!defof jquery_defined in themes/$wims_theme/header.phtml

  expmon=!char 6 to 7 of $expdate

  expday=!char 9 to 10 of $expdate

  expyear=!char 1 to 4 of $expdate

  !if $expday>=1 and $expday<=31 and $expmon>=1 and $expmon<=12 \

      and $expyear>=$thisyear and $expyear<=$thisyear+1 \

      and $expyear$expmon$expday>$today \

      and $expyear$expmon$expday<=$class_expiration \

      and N notin $expmon$expday$expyear

    expiration=$expyear$expmon$expday

    expdate=$expiration

  !else

    !if $expyear$expmon$expday>$class_expiration

      !readproc adm/date.phtml $class_expiration

      error=toolate

    !else

      expiration=$class_expiration

      expdate=$expiration

    !endif

  !endif

!endif

!if $sheet>$max_sheets

  error=bad_maxsheet

  !exit

!endif

!if $sheet<1

  error=bad_sheet

  !exit

!endif

# menu preparation

!if $job!=$empty and $job iswordof \

    prep_activate prep_erase prep_expire prep_putsource prep_modify

  data=!record $sheet of wimshome/log/classes/$wims_class/sheets/.sheets

  !distribute lines $data into active,expire,title,desc,bla,comment,attribut,exodescshow,formal_hidden_condition,indivtechvar

  !if $modif!=$empty

    exo=!record $modif of wimshome/log/classes/$wims_class/sheets/.sheet$sheet

    !distribute lines $exo into D_,p_

    !read getparm $p_ exotrymax

  !endif

  error=$job

  !if $expire < $today

    test_expire=$expire,$today

  !endif

  !if $indivtechvar!=$empty and ($job=prep_modify or $job=prep_activate)

    !readproc adm/vfilter/listvarfilter.proc

    nb=!positionof item $indivtechvar in $tv_listcode

    !if $nb!=$empty

      don=!line $nb of $tv_listtechvar

      !distribute item $don into name,classid,number

      don=!record $number of wimshome/log/classes/$classid/.techvar

      listval=!line 2 of $don

      nbtechvalue=!itemcnt $listval

    !else

      !reset indivtechvar

    !endif

  !endif

  !if $job=prep_activate

    nb=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheet$sheet

    !if $nb>$max_exos

      error=toomanyexo

      !reset job

      !exit

    !endif

    !read adm/sheet/checkdepindiv

    !if $sheet isitemof $sheet_dependancy and $sheet isitemof $sheet_indivtechvar

      error=depindiv

      !reset job

      !exit

    !endif

    !readproc proc/checktechvar.proc

    !if $listvalues!=$empty

      error=techvardiscord $listvalues

      !reset job

    !endif

  !endif

  !exit

!endif

scnt=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheets

!if $job=erase and $sheet<=$scnt and $sheet>=1

  test=

  !for s=$sheet to $scnt

    l=!record $s of wimshome/log/classes/$wims_class/sheets/.sheets

    l=!line 1 of $l

    !if $l>0

      test=notclean

    !endif

  !next s

  !if $test=$empty

    update_field=0

    !read proc/update.docindex

    !read update.sheet

  !endif

  !read adm/sheet/writeweights

  !restart module=home

!endif

!if $job=duplicate

  !changeto $job.proc

!endif

!if $job=expire

  !distribute item 1,2 into update_field,update_content

  !read update.sheet

  job=

!endif

!if $job=hide

  !distribute item 1,3 into update_field,update_content

  !read update.sheet

  job=

!endif

!if $job=reactivate

  !distribute item 1,1 into update_field,update_content

  !read update.sheet

  job=

!endif

!if $job=deactivate

  !read var.proc.deactivate

!else

  confirmed=!replace word share by $ in $confirmed

  confirmed=!singlespace $confirmed

!endif

activetest=!record $sheet of wimshome/log/classes/$wims_class/sheets/.sheets

a_=!line 1 of $activetest

a_=!trim $a_

expp=!line 2 of $activetest

!default expiration=$expp

!if $expiration>$class_expiration or $test_expire!=$empty

  expiration=$class_expiration

!endif

ecnt=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheet$sheet

wims_listexo=!values v for v=1 to $ecnt

!setdef wims_listexo=$wims_listexo in wimshome/sessions/$wims_session/var.stat

activetest=!replace line number 3 by $ecnt in $activetest

!if $job=putsource and $a_=0

  source=!trim $source

  !writefile $srcname $source

  putcnt=!recordcnt $srcname

  !for i=1 to $putcnt

    s_=!record $i of $srcname

    n_=!linecnt $s_

    bad_source=$i

    !if $n_>=5 and $n_<=$sheetrecordlimit

      !distribute lines $s_ into di,pa,re,we,ti,de

      !for k in re,we,di,pa,ti,de

        $k=!trim $($k)

        w$k=!wordcnt $($k)

      !next k

      !if NaN isin $[$re]$[$we] or $[$wre*$wwe*$wdi]!=1 or $wpa>1 or $ti=$empty or\

          .. isin $di or $re<0 or $we<0 or ($re>0 and $we=0)

         error=bad_source

         ssource=$source

        !exit

      !endif

      ti=!char 1 to $etitle_limit of $ti

      de=!char 1 to $edesc_limit of $de

      source_$i=$s_

      last=$i

    !else

      # last record may be empty

      !if $i!=$putcnt

        error=bad_source

        ssource=$source

        !exit

      !endif

    !endif

  !next i

  !for i=1 to $last

    !appendfile wimshome/log/classes/$wims_class/sheets/.sheet$sheet :$(source_$i)

  !next i

  !reset ssource

!endif

!if $activetest!=$empty

  sheet_exist=yes

  !default expiration=!line 2 of $activetest

  activetest=!line 1 of $activetest

  exocnt=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheet$sheet

!else

  sheet_exist=no

  activetest=-1

  exocnt=0

  !default expiration=$class_expiration

!endif

!if $job=getsource and $sheet_exist=yes

  !writefile $srcname

  !for i=1 to $exocnt

    l=!record $i of wimshome/log/classes/$wims_class/sheets/.sheet$sheet

    # replace eventual html entities so it will not insert \n in textarea

    l=!replace internal 
 by $ $ in $l

    !appendfile $srcname $$:$l

  !next i

  !appendfile $srcname

  !exit

!endif

!readproc adm/vfilter/listvarfilter.proc

!if $allow=yes

  !if $tv_listname=$empty

    !bound allowtype within all,none,select default all

  !else

    !bound allowtype within all,none,select,techvar default all

  !endif

  !read adm/scorerestriction get

  IPlist=$_output

  IPlist=!translate ,;\

* to $    $ in $IPlist

  IPlist=!trim $IPlist

  !if $allowtype=select and $IPlist=$empty and $save!=$empty

    allowtype=all

  !endif

  !if $allowtype=all

    allow_parm=

  !endif

  !if $allowtype=none

    allow_parm=none

  !endif

  !if $allowtype=select

    allow_parm=$IPlist

  !endif

  !if $allowtype=techvar

    !readproc adm/vfilter/shexselect.proc $sheet

  !endif

!endif

!! --------------- get/save severity parameters

rec=!record 0 of wimshome/log/classes/$wims_class/sheets/.severity

!if $save!=$empty

  !distribute word $df_severity into t1,t2,t3

  !bound weight between $min_weight and $max_weight default $t1

  !bound formulaA between integer 0 and 6 default $t2

  !bound formulaB between integer 0 and 2 default $t3

  nb=!linecnt $rec

  !! define maxscore default =10 (not general variable maybe we should ?)

  !if $nb=0

    rec=10

  !endif

  new=$weight $formulaA $formulaB

  !if $sheet>$nb-1

    !for k=$nb+1 to $sheet+1

      rec=!append line $df_severity to $rec

    !next k

  !endif

  rec=!replace line number $[$sheet+1] by $new in $rec

  !writefile wimshome/log/classes/$wims_class/sheets/.severity $rec

!endif

rec=!line $[$sheet+1] of $rec

!distribute word $rec into s_weight,s_formulaA,s_formulaB

!default weight=$s_weight

!default formulaA=$s_formulaA

!default formulaB=$s_formulaB

!! ---- save modification of allow parameters

!if $save!=$empty

  !if $sharers!=$empty and $allowshare=1

    !if $allowtype=techvar

      !readproc adm/vfilter/validtechvar.proc $allowtechvar\

$sharers

      !if $output=1

        setclass=!items2words $wims_class,$sharers

      !else

        error=badallowshare

        allowshare=0

        setclass=$wims_class

      !endif

    !else

      setclass=!items2words $wims_class,$sharers

    !endif

  !else

    setclass=$wims_class

  !endif

  !if $allow_parm=$empty

    !sh for c in $setclass; do rm -f $wims_home/log/classes/$$c/.$sheet; done

  !else

    setclass=!words2items $setclass

    !for c in $setclass

      !writefile wimshome/log/classes/$c/.$sheet $allow_parm

    !next c

  !endif

  wims_class_log=sheet $sheet allow $allowtype $allowshare by $wims_realuser

!endif

!! ---- end of saving

!if $allow=$empty or $save!=$empty

!! --- read saving configuration for allow parameters initial time and after saving

  !readproc adm/vfilter/shexread.proc $sheet

!! to distribute IPlist content into variable

  !read adm/scorerestriction put\

$IPlist

!endif

old_allowtype=$allowtype

old_allowtechvar=$allowtechvar

!reset allow,save

!! --- end of reading

expmon=!char 5,6 of $expiration

expday=!char 7,8 of $expiration

expyear=!char 1,2,3,4 of $expiration

!if $job!=text

  # remove \n from textareas

  mod_desc=!replace internal $\

$ by $ $ in $mod_desc

  mod_comment=!replace internal $\

$ by $ $ in $mod_comment

  !if $title_save$desc_save=$empty

    rec=!record $sheet of wimshome/log/classes/$wims_class/sheets/.sheets

    !distribute lines $rec into a,bidon,title_save,desc_save,prpage_save,\

      comment_save,attribut_save,exodescshow_save,formal_hidden_condition_save,\

      indivtechvar_save

      !if $indivtechvar_save notitemof $tv_listlocalcode

        !if $a=0

          !readproc proc/checktechvar.proc

          !if $listvalues!=$empty

            error=techvardiscord $listvalues

            display=1

          !endif

        !endif

      !endif

  !endif

  title=$title_save

  desc=$desc_save

  prpage=$prpage_save

  comment=$comment_save

  exodescshow=$exodescshow_save

  !readproc adm/vfilter/convertformat.proc human\

$formal_hidden_condition_save

  !if $output_error!=$empty

    error=hiddenbadtechvar

    display=1

  !endif

  hidden_condition=$output_convertformat

  indivtechvar=$indivtechvar_save

!else

  !if $title=$empty

    error=no_title

    !exit

  !endif

  title=!singlespace $title

  title=!char 1 to $title_limit of $title

  title=!replace internal : by : in $title

  desc=!replace internal $\

$ by $ $ in $desc

  desc=!singlespace $desc

  desc=!char 1 to $desc_limit of $desc

  desc=!replace internal : by : in $desc

  comment=!replace internal $\

$ by $ $ in $comment

  comment=!singlespace $comment

  !! --- manage of personalized presentation of sheet page

  !if $prpage isitemof no,yes or $prpage=$empty

    !bound prpage within yes,no default no

  !else

    !! old gestion of prpage with doc link

    !! deprecated but keep for background compatibility

    prpage=!word 1 of $prpage

    prpage=!char 1 to 100 of $prpage

    !if .. isin $prpage or / notin $prpage

      prpage=no

    !endif

    !if $prpage!=no

      test=!fileexists wimshome/log/classes/$wims_class/doc/$prpage.def

      !if $test!=yes

        prpage=no

      !endif

    !endif

  !endif

  !if $hidden_condition!=$empty

    !readproc adm/vfilter/convertformat.proc formal\

$hidden_condition

    formal_hidden_condition=$output_convertformat

    !if $output_error!=$empty

      error=badtechvarname $output_error

    !endif

    !readproc adm/vfilter/convertformat.proc human\

$formal_hidden_condition

    hidden_condition=$output_convertformat

  !else

    formal_hidden_condition=$empty

  !endif

  !! indivtechvar is not modifiable when sheet is activated.

  !if $activetest>0

    rec=!record $sheet of wimshome/log/classes/$wims_class/sheets/.sheets

    indivtechvar=!item 10 of $rec

  !endif

  !bound indivtechvar within $empty,$tv_listlocalcode default $empty

  !if $sheet_exist=yes

    !distribute lines 2\

$expiration into update_field,update_content

    !read update.sheet

    !distribute lines 3\

$title into update_field,update_content

    !read update.sheet

    !distribute lines 4\

$desc into update_field,update_content

    !read update.sheet

    !distribute lines 5\

$prpage into update_field,update_content

    !read update.sheet

    !distribute lines 6\

$comment into update_field,update_content

    !read update.sheet

    !distribute lines 7\

$attribut into update_field,update_content

    !read update.sheet

    !distribute lines 8\

$exodescshow into update_field,update_content

    !read update.sheet

    !distribute lines 9\

$formal_hidden_condition into update_field,update_content

    !read update.sheet

    !if $activetest=0

      !distribute lines 10\

$indivtechvar into update_field,update_content

    !read update.sheet

    !endif

  !else

    !appendfile wimshome/log/classes/$wims_class/sheets/.sheets :0\

$expiration\

$title\

$desc\

$prpage\

$comment\

$attribut\

$exodescshow\

$formal_hidden_condition\

$empty

    indivtechvar=$empty

    sheet_exist=yes

    activetest=0

    sheet=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheets

    !writefile wimshome/log/classes/$wims_class/sheets/.sheet$sheet

    message=$name_createok

  !endif

  title_save=$title

  desc_save=$desc

  prpage_save=$prpage

  comment_save=$comment

  attribut_save=$attribut

  exodescshow_save=$exodescshow

  formal_hidden_condition_save=$formal_hidden_condition

  indivtechvar_save=$indivtechvar

!endif

!if $job=prpage and $prpage_save=yes

  test=!fileexists wimshome/sessions/$wims_session/user-deposit

  !if $test=yes

    msg2wims_primitives=if ifval for while\

      reload fold ref link docform form resource calcform embed\

      exercise tool doc example help adm tooltip href slib\

      def define comment draw canvasdraw audio glossary

      !sh rm -f $wims_home/$wims_sesdir/sheet$(sheet).def;\

          $wims_home/bin/msg2wims $wims_home/$wims_sesdir/user-deposit $wims_home/$wims_sesdir/sheet$(sheet).def;\

          if [ -e $wims_home/$wims_sesdir/sheet$(sheet).def ]; then\

            mv $wims_home/$wims_sesdir/sheet$(sheet).def $wims_home/log/classes/$wims_class/sheets/sheet$(sheet).def;\

            mv $wims_home/$wims_sesdir/user-deposit $wims_home/log/classes/$wims_class/sheets/sheet$(sheet).src;\

          else\

            rm -f $wims_home/$wims_sesdir/user-deposit;\

          fi;

  !endif

!endif

!if $job=activate and $[$activetest]=0

  !read adm/sheet/checkdepindiv

  !if $sheet isitemof $sheet_dependancy and $sheet isitemof $sheet_indivtechvar

    error=depindiv

    !reset job

    !exit

  !endif

  !read adm/sheet/writeweights

  !if $test_expire!=$empty

    !distribute items 2,$expiration into update_field,update_content

    !read update.sheet

    !reset test_expire

  !endif

  !distribute item 1,1 into update_field,update_content

  !read update.sheet

  activetest=1

  wims_class_log=activate sheet $sheet by $wims_realuser

!endif

!! only delete or move items when sheet has not been activated

!if $activetest=0

  # delete an item

  !if $job=delete and $delete>0 and $delete<=$exocnt

    !read adm/sheet/sheetexam.shift sheet,$sheet,,$delete

    delete=

    exocnt=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheet$sheet

  !endif

  # move to specific position

  !if $job=moveto and $movetarget>=1 and $movetarget<=$[$exocnt+1] and $movesource!=$movetarget and $movesource>=1 and $movesource<=$exocnt

    !read adm/sheet/sheetexam.shift sheet,$sheet,$movetarget,$movesource

  !endif

  # change individualisation of sheet with a technical variable

  !if $job=indiv and $indivtechvar!=0 and $indivtechvar!=$empty

    !read indiv.proc

  !endif

!endif

# modify an item

!if $job=modify and $modif>0 and $modif<=$exocnt

  !if $activetest=0

    exo=!record $modif of wimshome/log/classes/$wims_class/sheets/.sheet$sheet

    !distribute lines $exo into D_,p_

    ####

    iniparm=$p_

    !read getparm $iniparm exo random qnum exotrymax

    exocnt_=!itemcnt $get_exo

    #### common with addmodule

    iniparm2=!replace internal & by $\

$ in $iniparm

    iniparm2_cnt=!linecnt $iniparm2

    new_iniparm=

    equal==

    !if $get_random=0

      !for i=1 to $get_qnum

        update_order=!append item $(update_ex$i) to $update_order

      !next

      get_exo=$(get_exo[$update_order])

      !for v in $get_exo

        new_iniparm=!append line exo=$v to $new_iniparm

      !next

      !for u=1 to $iniparm2_cnt

        l=!line $u of $iniparm2

        !if exo$equal notin $l

          new_iniparm=!append line $l to $new_iniparm

        !endif

      !next

      new_iniparm=!replace internal $\

$ by & in $new_iniparm

      new_iniparm=!nospace $new_iniparm

      p_=$new_iniparm

    !endif

    !if $get_exotrymax!=$mod_exotrymax

      tmp=!nospace $mod_exotrymax

      !if exotrymax isin $p_

        !if $tmp!=$empty

          p_=!replace internal exotrymax=$get_exotrymax by exotrymax=$tmp in $p_

        !else

          p_=!replace internal exotrymax=$get_exotrymax by in $p_

        !endif

      !else

        !if $tmp!=$empty

          p_=$p_&exotrymax=$tmp

          !reset mod_exotrymax

        !endif

      !endif

      p_=!nospace $p_

      p_=!replace internal && by & in $p_

      !reset tmp

    !endif

    #####

    mod_indiv=!listintersection $mod_indiv and $listval

    !bound mod_weight between $min_weight and $max_weight default 1

    !bound mod_require between 0 and $[10*$require_limit] default 0

    !if $mod_indiv!=$empty

      nbvalue=!itemcnt $listval

      !distribute item $max_weight,$[10*$require_limit],$min_weight,0 into limitM_weight,limitM_require,limitm_weight,limitm_require

      !for type in weight,require

        tmp=$(mod_$type)

        !for k=1 to $nbvalue

          !bound $type$k between $(limitm_$type) and $(limitM_$type) default $tmp

          !if $($type$k)!=$tmp

            mod_$type=$(mod_$type);$(listval[$k]),$($type$k)

          !endif

        !next k

      !next type

    !endif

    mod_title=!singlespace $mod_title

    mod_desc=!singlespace $mod_desc

    mod_comment=!singlespace $mod_comment

    mod_title=!char 1 to $etitle_limit of $mod_title

    mod_desc=!char 1 to $edesc_limit of $mod_desc

    mod_comment=!char 1 to $edesc_limit of $mod_comment

  !endif

  !if $mod_feedback notsametext $empty

    !reset mod_feedback_tmp

    tmpcnt=!itemcnt $(mod_feedback[;1])

    !for t_=1 to $tmpcnt

      mod_feedback_=$(mod_feedback[$t_;])

      mod_feedback_lim=$(mod_feedback_[2])

      mod_feedback_lim2=$(mod_feedback_[3])

      !bound mod_feedback_lim between 0 and 11 default 10

      !bound mod_feedback_lim2 between 0  and $mod_feedback_lim default 0

      mod_feedback_=!nospace $(mod_feedback_[1])

      mod_feedback_test=!replace = by _ in $mod_feedback_

      !if cmd_new notin $mod_feedback_test

        mod_feedback_=!nospace $mod_feedback_&cmd=new

      !endif

      !if adm/doc isin $mod_feedback_ and job_read notin $mod_feedback_test

        mod_feedback_=$mod_feedback_&job=read

      !endif

      mod_feedback_tmp=!append line $mod_feedback_,$mod_feedback_lim,$mod_feedback_lim2 to $mod_feedback_tmp

    !next

    mod_feedback=!lines2rows $mod_feedback_tmp

  !endif

  exo=$modif

  !if $activetest=0

    update_content=$D_\

$p_\

$mod_require\

$mod_weight\

$mod_title\

$mod_desc\

$mod_dep\

$mod_comment\

$mod_feedback\

$mod_attribut\

$mod_indiv

    update_field=0

    !read adm/class/update.exo

 !else

    !distribute lines 5\

$mod_title into update_field,update_content

    !read adm/class/update.exo

    !distribute lines 6\

$mod_desc into update_field,update_content

    !read adm/class/update.exo

    !distribute lines 8\

$mod_comment into update_field,update_content

    !read adm/class/update.exo

    !distribute lines 9\

$mod_feedback into update_field,update_content

    !read adm/class/update.exo

    !distribute lines 10\

$mod_attribut into update_field,update_content

    !read adm/class/update.exo

  !endif

  !distribute items $ into mod_title,mod_desc,mod_weight,mod_require,mod_dep,\

    mod_comment,mod_feedback,mod_attribut,mod_indiv

!endif

!if $[$activetest]=0

  erasable=yes

  scnt=!recordcnt wimshome/log/classes/$wims_class/sheets/.sheets

  !for s=$sheet+1 to $scnt

    l=!record $s of wimshome/log/classes/$wims_class/sheets/.sheets

    l=!line 1 of $l

    !if $l>0

      erasable=no

    !endif

  !next s

!endif

!if $back=1 and $error=$empty

  !restart module=home

!endif