--- rat/lonratedt.pm 2002/05/15 20:24:32 1.18 +++ rat/lonratedt.pm 2003/06/16 13:51:46 1.45 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Edit Handler for RAT Maps # -# $Id: lonratedt.pm,v 1.18 2002/05/15 20:24:32 www Exp $ +# $Id: lonratedt.pm,v 1.45 2003/06/16 13:51:46 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; @@ -127,7 +139,9 @@ sub mapread { } # ---------------------------------------------- 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; @@ -274,26 +288,255 @@ sub buttons { return $output.'
'; } +# ----------------------------------------------------------- Paste into target +# modifies @order, @resources + +sub pastetarget { + my ($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); +} + +# ------------------------------------------------ Get start and finish correct +# modifies @resources + +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--; + $stillchange=1; + last; + } + } + } +# Put in a start resource + my ($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,'')); +} + +sub editscript { + my $mode=shift; + return(<You are working with an unsaved version of your map.
'; + my ($errtext,$fatal)=&mapread($tmpfn,''); + } # ---------------------------------------------------------- Process form input my @importselect=(); my @targetselect=(); undef @importselect; undef @targetselect; - if (defined($ENV{'form.import'})) { - if (ref($ENV{'form.import'})) { - @importselect=sort($ENV->{'form.import'}); + if (defined($ENV{'form.importsel'})) { + if (ref($ENV{'form.importsel'})) { + @importselect=sort(@{$ENV{'form.importsel'}}); } else { - @importselect=($ENV{'form.import'}); + @importselect=($ENV{'form.importsel'}); } } if (defined($ENV{'form.target'})) { if (ref($ENV{'form.target'})) { - @targetselect=sort($ENV->{'form.target'}); + @targetselect=sort(@{$ENV{'form.target'}}); } else { @targetselect=($ENV{'form.target'}); } @@ -372,7 +615,7 @@ sub smpedt { } foreach ( - &attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) { + &Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) { my ($name,$url)=split(/\:/,$_); if ($url) { $importdetail.='&'.&Apache::lonnet::escape($name).'='. @@ -389,13 +632,118 @@ sub smpedt { $importdetail=~s/\&+/\&/g; $importdetail=~s/^\&//; -# ------------------------------------ - } +# ------------------------------------------------ Groupimport/search to target + } elsif ($ENV{'form.importdetail'}) { + my $lastsel; + if (defined($targetselect[-1])) { + $lastsel=$targetselect[-1]; + } else { + $lastsel=$#order+1; + } + &pastetarget($lastsel,split(/\&/,$ENV{'form.importdetail'})); + &storemap(&Apache::lonnet::filelocation('',$url)); +# ------------------------------------------------------------------------- Cut + } elsif (($ENV{'form.cut'}) || ($ENV{'form.copy'})) { + $importdetail=''; + my @curimport=split(/\&/,$ENV{'form.curimpdetail'}); -# ------------------------------------------------------------ Assemble windows + my $lastsel; + + if (defined($importselect[-1])) { + $lastsel=$importselect[-1]; + } else { + $lastsel=$#curimport; + } + + for (my $i=0;$i<=$lastsel;$i++) { + my ($name,$url)=split(/\=/,$curimport[$i]); + if ($url) { + $importdetail.='&'.$name.'='.$url; + } + } + foreach (@targetselect) { + my ($name,$url)=split(/\:/,$resources[$order[$_-1]]); + if ($url) { + $importdetail.='&'.&Apache::lonnet::escape($name).'='. + &Apache::lonnet::escape($url); + } + } + + for (my $i=$lastsel+1;$i<=$#curimport;$i++) { + my ($name,$url)=split(/\=/,$curimport[$i]); + if ($url) { + $importdetail.='&'.$name.'='.$url; + } + } + $importdetail=~s/\&+/\&/g; + $importdetail=~s/^\&//; + + if ($ENV{'form.cut'}) { + my @neworder=(); + for (my $i=0;$i<=$#order;$i++) { + my $include=1; + foreach (@targetselect) { + if ($_-1==$i) { $include=0; } + } + if ($include) { $neworder[$#neworder+1]=$order[$i]; } + } + @order=@neworder; + &storemap(&Apache::lonnet::filelocation('',$url)); + } + +# ----------------------------------------------------------------------- Paste + } elsif ($ENV{'form.paste'}) { + my $lastsel; + if (defined($targetselect[-1])) { + $lastsel=$targetselect[-1]; + } else { + $lastsel=$#order+1; + } + my @newsequence; + my @curimport=split(/\&/,$ENV{'form.curimpdetail'}); + foreach (@importselect) { + $newsequence[$#newsequence+1]=$curimport[$_]; + } + &pastetarget($lastsel,@newsequence); + &storemap(&Apache::lonnet::filelocation('',$url)); +# -------------------------------------------------------------------- Move up + } elsif ($ENV{'form.moveup'}) { + foreach (sort @targetselect) { + if ($_-1>0) { + my $movethis=$order[$_-1]; + $order[$_-1]=$order[$_-2]; + $order[$_-2]=$movethis; + } + } + &storemap(&Apache::lonnet::filelocation('',$url)); +# ------------------------------------------------------------------ Move down + } elsif ($ENV{'form.movedown'}) { + foreach (reverse sort @targetselect) { + if ($_-1<$#order) { + my $movethis=$order[$_-1]; + $order[$_-1]=$order[$_]; + $order[$_]=$movethis; + } + } + &storemap(&Apache::lonnet::filelocation('',$url)); +# --------------------------------------------------------------------- Rename + } elsif ($ENV{'form.renameres'}) { + my $residx=$Apache::lonratedt::order[$ENV{'form.renameidx'}-1]; + my ($name,@resrest)=split(/\:/,$Apache::lonratedt::resources[$residx]); + $name=$ENV{'form.renametitle'}; + $name=~s/\:/\&colon\;/g; + $Apache::lonratedt::resources[$residx]=$name.':'.join(':',@resrest); + &storemap(&Apache::lonnet::filelocation('',$url)); + } +# ------------------------------------------------------------ Assemble windows + my $idx=-1; - my $importwindow=join("\n",map { + $importdetail='&'.$importdetail; + $importdetail=~s/^\&+/\&/; + my $importwindow= + ''. + join("\n",map { $idx++; if ($_) { my ($name,$url)=split(/\=/,$_); @@ -407,143 +755,91 @@ sub smpedt { } split(/\&/,$importdetail)); $idx=0; - my $targetwindow=join("\n",map { + $targetdetail=''; + my $targetwindow= + ''. + join("\n",map { my ($name,$url)=split(/\:/,$resources[$_]); unless ($name) { $name=(split(/\//,$url))[-1]; } unless ($name) { $name='EMPTY'; } $targetdetail.='&'.&Apache::lonnet::escape($name).'='. &Apache::lonnet::escape($url); $idx++; - ''; + $name=~s/\:/\:/g; + ''; } @order); # ----------------------------------------------------- Start simple RAT screen + my $editscript=&editscript('simple'); + my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1); $r->print(< - +$bodytag $buttons $errtext
+ + + - + - + - @@ -566,10 +869,13 @@ $importwindow Cut selected


+Copy selected
+

+


Paste after selected
- + -
Import
Temporary Assembly Workspace  Target
File: $url
- - + + after selected

+value="Select Map">
@@ -551,14 +847,21 @@ value="Browse">
  +"javascript:impfortarget.value=1;groupsearch()" value="Search"> +"javascript:impfortarget.value=1;groupimport();" value="Import"> after selected -
+
+ + + +
$targetmsg + + +
@@ -599,12 +905,20 @@ ENDNODIR sub viewmap { my ($r,$url,$adv,$errtext)=@_; - $r->print(''.&buttons($adv)); + $r->print(''. + &Apache::loncommon::bodytag('Edit Content of a Map'). + &buttons($adv)); if ($errtext) { $r->print($errtext.'
'); } + 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; @@ -615,7 +929,7 @@ sub viewmap { } $r->print(&Apache::lonratsrv::qtescape($title)); if ($url) { $r->print(''); } - $r->print('
'); + $r->print('
'); } } $r->print(''); @@ -664,7 +978,7 @@ sub handler { if ($ENV{'form.forceadv'}) { &ratedt($r,$url); } elsif ($ENV{'form.forcesmp'}) { - &smpedt($r,$errtext); + &smpedt($r,$url,$errtext); } else { &viewmap($r,$url,$adv,$errtext); }