--- rat/lonratedt.pm 2002/05/13 19:23:52 1.13 +++ rat/lonratedt.pm 2003/04/07 20:47:06 1.44 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Edit Handler for RAT Maps # -# $Id: lonratedt.pm,v 1.13 2002/05/13 19:23:52 www Exp $ +# $Id: lonratedt.pm,v 1.44 2003/04/07 20:47:06 www Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,9 +36,11 @@ use strict; use Apache::Constants qw(:common); use Apache::lonnet; use Apache::lonratsrv; +use Apache::lonsequence; +use Apache::loncommon; +use File::Copy; -my @order=(); -my @resources=(); +use vars qw(@order @resources); # Mapread read maps into global arrays @links and @resources, determines status @@ -52,6 +54,8 @@ sub mapread { undef @links; undef @resources; undef @order; + @resources=(''); + @order=(); my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,''); if ($errtext) { return ($errtext,2); } @@ -65,6 +69,9 @@ sub mapread { if ($command eq 'objlinks') { $links[$number]=$content; } + if ($command eq 'objparms') { + return('Map has resource parameters. Use advanced editor.',1); + } } # ------------------------------------------------------- Is this a linear map? my @starters=(); @@ -88,7 +95,7 @@ sub mapread { } } - for (my $i=0; $i<=$#resources; $i++) { + for (my $i=1; $i<=$#resources; $i++) { if (defined($resources[$i])) { unless (($starters[$i]) || ($endings[$i])) { return @@ -96,7 +103,12 @@ sub mapread { } } } - +# ---------------------------------------------- Did we just read an empty map? + if ($#resources<1) { + undef $resources[0]; + $resources[1]=':::start'; + $resources[2]=':::finish'; + } # -------------------------------------------------- This is a linear map, sort my $startidx=0; @@ -126,6 +138,119 @@ sub mapread { 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)=@_; @@ -163,99 +288,110 @@ sub buttons { return $output.'
'; } -sub smpedt { - my ($r,$errtext)=@_; - my $buttons=&buttons(2); - -# ---------------------------------------------------------- Process form input - - my @importselect=(); - my @targetselect=(); - undef @importselect; - undef @targetselect; - if (defined($ENV{'form.import'})) { - if (ref($ENV{'form.import'})) { - @importselect=sort($ENV->{'form.import'}); - } else { - @importselect=($ENV{'form.import'}); - } - } - if (defined($ENV{'form.target'})) { - if (ref($ENV{'form.target'})) { - @targetselect=sort($ENV->{'form.target'}); - } else { - @targetselect=($ENV{'form.target'}); - } - } -# ============================================================ Process commands - - my $targetdetail=''; - my $importdetail=''; - -# ---------------------------------------------------- Importing from groupsort - if ($ENV{'form.importdetail'}) { - - my @curimport=split(/\&/,$ENV{'form.curimpdetail'}); - - my $lastsel; +# ----------------------------------------------------------- Paste into target +# modifies @order, @resources - if (defined($importselect[-1])) { - $lastsel=$importselect[-1]; - } else { - $lastsel=$#curimport; - } - - for (my $i=0;$i<=$lastsel;$i++) { - my ($name,$url)=split(/\=/,$curimport[$i]); - if ($url) { - $importdetail.='&'.&Apache::lonnet::escape($name).'='. - &Apache::lonnet::escape($url); +sub pastetarget { + my ($after,@which)=@_; + my @insertorder=(); + foreach (@which) { + if (defined($_)) { + my ($name,$url)=split(/\=/,$_); + $name=&Apache::lonnet::unescape($name); + $url=&Apache::lonnet::unescape($url); + if ($url) { + my $idx=$#resources+1; + $insertorder[$#insertorder+1]=$idx; + my $ext='false'; + if ($url=~/^http\:\/\//) { $ext='true'; } + $url=~s/\:/\:/g; + $name=~s/\:/\:/g; + $resources[$idx]=$name.':'.$url.':'.$ext.':normal:res'; } - } + } + } + my @oldorder=splice(@order,$after); + @order=(@order,@insertorder,@oldorder); +} - $importdetail.='&'.$ENV{'form.importdetail'}; +# ------------------------------------------------ Get start and finish correct +# modifies @resources - for (my $i=$lastsel+1;$i<=$#curimport;$i++) { - my ($name,$url)=split(/\=/,$curimport[$i]); - if ($url) { - $importdetail.='&'.&Apache::lonnet::escape($name).'='. - &Apache::lonnet::escape($url); - } +sub startfinish { +# Remove all start and finish + foreach (@order) { + my ($name,$url,$ext)=split(/\:/,$resources[$_]); + if ($url=~/http\&colon\:\/\//) { $ext='true'; } + $resources[$_]=$name.':'.$url.':'.$ext.':normal:res'; + } +# Garbage collection + my $stillchange=1; + while (($#order>1) && ($stillchange)) { + $stillchange=0; + for (my $i=0;$i<=$#order;$i++) { + my ($name,$url,$ext)=split(/\:/,$resources[$order[$i]]); + unless ($url) { +# Take out empty resource + for (my $j=$i+1;$j<=$#order;$j++) { + $order[$j-1]=$order[$j]; + } + $#order--; + $stillchange=1; + last; + } } - $importdetail=~s/\&+/\&/g; - $importdetail=~s/^\&//; - -# -------------------------------------------------------- + } +# Put in a start resource + my ($name,$url,$ext)=split(/\:/,$resources[$order[0]]); + $resources[$order[0]]=$name.':'.$url.':'.$ext.':start:res'; +# Make sure this has at least start and finish + if ($#order==0) { + $resources[$#resources+1]='::false'; + $order[1]=$#resources; } +# Make the last one a finish resource + ($name,$url,$ext)=split(/\:/,$resources[$order[$#order]]); + $resources[$order[$#order]]=$name.':'.$url.':'.$ext.':finish:res'; +} + +# ------------------------------------------------------------------- Store map + +sub storemap { + my $realfn=shift; + my $fn=$realfn; +# unless this is forced to work from the original file, use a temporary file +# instead + unless (shift) { + $fn=$realfn.'.tmp'; + unless (-e $fn) { + copy($realfn,$fn); + } + } +# store data either into tmp or real file + &startfinish(); + my $output='graphdef<:>no'; + my $k=1; + for (my $i=0; $i<=$#order; $i++) { + if (defined($resources[$order[$i]])) { + $output.='<&>objcont<:>'.$order[$i].'<:>'.$resources[$order[$i]]; + } + if (defined($order[$i+1])) { + if (defined($resources[$order[$i+1]])) { + $output.='<&>objlinks<:>'.$k.'<:>'. + $order[$i].':'.$order[$i+1].':0'; + $k++; + } + } + } + $output=~s/http\&colon\;\/\///g; + $ENV{'form.output'}=$output; + return + &Apache::lonratsrv::loadmap($fn,&Apache::lonratsrv::savemap($fn,'')); +} -# ------------------------------------------------------------ Assemble windows - - my $idx=-1; - my $importwindow=join("\n",map { - $idx++; - if ($_) { - my ($name)=split(/\=/,$_); - unless ($name) { $name='UNKNOWN'; } - ''; - } - } split(/\&/,$importdetail)); - - $idx=0; - my $targetwindow=join("\n",map { - my ($name,$url)=split(/\:/,$resources[$_]); - unless ($name) { $name='UNKNOWN'; } - $targetdetail.='&'.&Apache::lonnet::escape($name).'='. - &Apache::lonnet::escape($url); - $idx++; - ''; - } @order); - -# ----------------------------------------------------- Start simple RAT screen - $r->print(< - - - +$bodytag $buttons $errtext
+ + + - + - + - @@ -360,16 +869,20 @@ $importwindow Cut selected


+Copy selected
+

+


Paste after selected
- + -
Import
Temporary Assembly Workspace  Target
File: $url
- - + + +after selected +
+ +
+ + +
  + + + +after selected +
+ + + +
$targetmsg + +
+
ENDSMPHEAD @@ -391,23 +904,32 @@ ENDNODIR # ---------------------------------------------------------------- View Handler sub viewmap { - my ($r,$adv,$errtext)=@_; - $r->print(''.&buttons($adv)); + my ($r,$url,$adv,$errtext)=@_; + $r->print(''. + &Apache::loncommon::bodytag('Edit Content of a Map'). + &buttons($adv)); if ($errtext) { $r->print($errtext.'
'); } - foreach (@resources) { + my $idx=0; + $r->print('

'.$url.'

'); + if ($adv) { + $r->print('

Map contents are not shown in order.


'); + } + foreach (&attemptread(&Apache::lonnet::filelocation('',$url))) { if (defined($_)) { + $idx++; my ($title,$url)=split(/\:/,$_); $title=~s/\&colon\;/\:/g; $url=~s/\&colon\;/\:/g; - unless ($title) { $title='Unknown'; } + unless ($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('
'); } } $r->print(''); @@ -456,9 +978,9 @@ sub handler { if ($ENV{'form.forceadv'}) { &ratedt($r,$url); } elsif ($ENV{'form.forcesmp'}) { - &smpedt($r,$errtext); + &smpedt($r,$url,$errtext); } else { - &viewmap($r,$adv,$errtext); + &viewmap($r,$url,$adv,$errtext); } return OK; }