--- rat/lonratedt.pm 2002/05/10 18:58:04 1.8 +++ rat/lonratedt.pm 2002/10/03 15:07:25 1.37 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Edit Handler for RAT Maps # -# $Id: lonratedt.pm,v 1.8 2002/05/10 18:58:04 www Exp $ +# $Id: lonratedt.pm,v 1.37 2002/10/03 15:07:25 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,43 +36,216 @@ use strict; use Apache::Constants qw(:common); use Apache::lonnet; use Apache::lonratsrv; +use Apache::lonsequence; +use Apache::loncommon; +use File::Copy; -my @links=(); -my @resources=(); +use vars qw(@order @resources); # Mapread read maps into global arrays @links and @resources, determines status - +# sets @order - pointer to resources in right order +# sets @resources - array with the resources with correct idx +# sub mapread { my $fn=shift; + my @links; undef @links; undef @resources; + undef @order; + @resources=(''); + @order=(); my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,''); if ($errtext) { return ($errtext,2); } +# -------------------------------------------------------------------- Read map foreach (split(/\<\&\>/,$outtext)) { - my ($command,$parms)=split(/\<\:\>/,$_); - my @item=split(/\:/,$parms); + my ($command,$number,$content)=split(/\<\:\>/,$_); if ($command eq 'objcont') { + $resources[$number]=$content; } if ($command eq 'objlinks') { - if (defined($links[$item[0]])) { + $links[$number]=$content; + } + if ($command eq 'objparms') { + return('Map has resource parameters. Use advanced editor.',1); + } + } +# ------------------------------------------------------- Is this a linear map? + my @starters=(); + my @endings=(); + undef @starters; + undef @endings; + + foreach (@links) { + if (defined($_)) { + my ($start,$end,$cond)=split(/\:/,$_); + if ((defined($starters[$start])) || (defined($endings[$end]))) { return - ('Map too complex, has branchings. Use advanced editor.',1); + ('Map has branchings. Use advanced editor.',1); } - if ($links[$item[2]]) { + $starters[$start]=1; + $endings[$end]=1; + if ($cond) { return - ('Map too complex, has conditions. Use advanced editor.',1); + ('Map has conditions. Use advanced editor.',1); } - $links[$item[0]]=$item[1]; } } + for (my $i=1; $i<=$#resources; $i++) { + if (defined($resources[$i])) { + unless (($starters[$i]) || ($endings[$i])) { + return + ('Map has unconnected resources. Use advanced editor.',1); + } + } + } + +# -------------------------------------------------- This is a linear map, sort + + my $startidx=0; + my $endidx=0; + for (my $i=0; $i<=$#resources; $i++) { + if (defined($resources[$i])) { + my ($title,$url,$ext,$type)=split(/\:/,$resources[$i]); + if ($type eq 'start') { $startidx=$i; } + if ($type eq 'finish') { $endidx=$i; } + } + } + my $k=0; + my $currentidx=$startidx; + $order[$k]=$currentidx; + for (my $i=0; $i<=$#resources; $i++) { + foreach (@links) { + my ($start,$end)=split(/\:/,$_); + if ($start==$currentidx) { + $currentidx=$end; + $k++; + $order[$k]=$currentidx; + last; + } + } + if ($currentidx==$endidx) { last; } + } return $errtext; } +# ---------------------------------------------- Read a map as well as possible +# Also used by the sequence handler +# Call lonsequence::attemptread to read from resource space +# +sub attemptread { + my $fn=shift; + + my @links; + undef @links; + my @theseres; + undef @theseres; + + my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,''); + if ($errtext) { return @theseres } + +# -------------------------------------------------------------------- Read map + foreach (split(/\<\&\>/,$outtext)) { + my ($command,$number,$content)=split(/\<\:\>/,$_); + if ($command eq 'objcont') { + $theseres[$number]=$content; + } + if ($command eq 'objlinks') { + $links[$number]=$content; + } + } + +# --------------------------------------------------------------- Sort, sort of + + my @objsort=(); + undef @objsort; + + my @data1=(); + my @data2=(); + undef @data1; + undef @data2; + + my $k; + my $kj; + my $j; + my $ij; + + for ($k=1;$k<=$#theseres;$k++) { + if (defined($theseres[$k])) { + $objsort[$#objsort+1]=$k; + } + } + + for ($k=1;$k<=$#links;$k++) { + if (defined($links[$k])) { + @data1=split(/\:/,$links[$k]); + $kj=-1; + for (my $j=0;$j<=$#objsort;$j++) { + if ((split(/\:/,$objsort[$j]))[0]==$data1[0]) { + $kj=$j; + } + } + if ($kj!=-1) { $objsort[$kj].=':'.$data1[1]; } + } + } + for ($k=0;$k<=$#objsort;$k++) { + for ($j=0;$j<=$#objsort;$j++) { + if ($k!=$j) { + @data1=split(/\:/,$objsort[$k]); + @data2=split(/\:/,$objsort[$j]); + my $dol=$#data1+1; + my $dtl=$#data2+1; + if ($dol+$dtl<1000) { + for ($kj=1;$kj<$dol;$kj++) { + if ($data1[$kj]==$data2[0]) { + for ($ij=1;$ij<$dtl;$ij++) { + $data1[$#data1+1]=$data2[$ij]; + } + } + } + for ($kj=1;$kj<$dtl;$kj++) { + if ($data2[$kj]==$data1[0]) { + for ($ij=1;$ij<$dol;$ij++) { + $data2[$#data2+1]=$data1[$ij]; + } + } + } + $objsort[$k]=join(':',@data1); + $objsort[$j]=join(':',@data2); + } + } + } + } +# ---------------------------------------------------------------- Now sort out + + @objsort=sort { + my @data1=split(/\:/,$a); + my @data2=split(/\:/,$b); + my $rvalue=0; + my $k; + for ($k=1;$k<=$#data1;$k++) { + if ($data1[$k]==$data2[0]) { $rvalue--; } + } + for ($k=1;$k<=$#data2;$k++) { + if ($data2[$k]==$data1[0]) { $rvalue++; } + } + if ($rvalue==0) { $rvalue=$#data2-$#data1; } + $rvalue; + } @objsort; + + my @outres=(); + undef @outres; + + for ($k=0;$k<=$#objsort;$k++) { + $outres[$k]=$theseres[(split(/\:/,$objsort[$k]))[0]]; + } + return @outres; +} + # --------------------------------------------------------- Build up RAT screen sub ratedt { my ($r,$url)=@_; @@ -110,14 +283,89 @@ sub buttons { return $output.'
'; } -sub smpedt { - my ($r,$errtext)=@_; - my $buttons=&buttons(2); -# ----------------------------------------------------- Start simple RAT screen - $r->print(< - - - +$bodytag $buttons $errtext -Group Search -Group Import - +
+ + + + + + + + + +
Temporary Assembly Workspace File: $url
+ + +after selected +
+ +
+ + + + +
  + + + +after selected +
$targetmsg + + + +
+ +Cut selected
+

+


+Copy selected
+

+


+Paste after selected
+ +
+
+ + + + +
+ ENDSMPHEAD - - $r->print( - ''); } +# ----------------------------------------------------------------- No such dir sub nodir { my ($r,$dir)=@_; $dir=~s/^\/home\/\w+\/public\_html//; @@ -225,9 +823,31 @@ ENDNODIR # ---------------------------------------------------------------- View Handler sub viewmap { - my ($r,$adv)=@_; - $r->print(''.&buttons($adv)); - + my ($r,$url,$adv,$errtext)=@_; + $r->print(''. + &Apache::loncommon::bodytag('Edit Content of a Map'). + &buttons($adv)); + if ($errtext) { + $r->print($errtext.'
'); + } + my $idx=0; + $r->print('

'.$url.'

'); + foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) { + if (defined($_)) { + $idx++; + my ($title,$url)=split(/\:/,$_); + $title=~s/\&colon\;/\:/g; + $url=~s/\&colon\;/\:/g; + unless ($title) { $title=(split(/\//,$url))[-1] }; + unless ($title) { $title='Empty'; } + if ($url) { + $r->print(''); + } + $r->print(&Apache::lonratsrv::qtescape($title)); + if ($url) { $r->print(''); } + $r->print('
'); + } + } $r->print(''); } @@ -274,9 +894,9 @@ sub handler { if ($ENV{'form.forceadv'}) { &ratedt($r,$url); } elsif ($ENV{'form.forcesmp'}) { - &smpedt($r,$errtext); + &smpedt($r,$url,$errtext); } else { - &viewmap($r,$adv); + &viewmap($r,$url,$adv,$errtext); } return OK; }