--- rat/lonratsrv.pm 2000/07/28 21:36:12 1.6 +++ rat/lonratsrv.pm 2006/07/21 00:21:42 1.36 @@ -1,12 +1,30 @@ # The LearningOnline Network with CAPA # Server for RAT Maps # -# (Edit Handler for RAT Maps -# (TeX Content Handler +# $Id: lonratsrv.pm,v 1.36 2006/07/21 00:21:42 www Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ # -# 05/29/00,05/30 Gerd Kortemeyer) -# 7/1 Gerd Kortemeyer) -# 7/1,7/3,7/4,7/7,7/8,7/10,7/26 Gerd Kortemeyer package Apache::lonratsrv; @@ -14,12 +32,14 @@ use strict; use Apache::Constants qw(:common); use Apache::File; use HTML::TokeParser; - +use Apache::lonnet; +use Apache::groupsort(); # ------------------------------------------------------------- From RAT to XML sub qtescape { my $str=shift; + $str=~s/\:/\:/g; $str=~s/\&\#58\;/\:/g; $str=~s/\&\#39\;/\'/g; $str=~s/\&\#44\;/\,/g; @@ -31,7 +51,7 @@ sub qtescape { sub qtunescape { my $str=shift; - $str=~s/\:/\&\#58\;/g; + $str=~s/\:/\&colon\;/g; $str=~s/\'/\&\#39\;/g; $str=~s/\,/\&\#44\;/g; $str=~s/\"/\&\#34\;/g; @@ -41,17 +61,25 @@ sub qtunescape { # --------------------------------------------------------- Loads map from disk sub loadmap { - my ($fn,$errtext)=@_; + my ($fn,$errtext,$infotext)=@_; + if ($errtext) { return('',$errtext); } my $outstr=''; - my @content=(); my @obj=(); my @links=(); - if (-e $fn) { + my $instr=''; + if ($fn=~/^\/*uploaded\//) { + $instr=&Apache::lonnet::getfile($fn); + } elsif (-e $fn) { + my @content=(); { my $fh=Apache::File->new($fn); @content=<$fh>; } - my $instr=join('',@content); + $instr=join('',@content); + } + if ($instr eq -2) { + $errtext.='Map not loaded: An error occured while trying to load the map.'; + } elsif ($instr) { my $parser = HTML::TokeParser->new(\$instr); my $token; my $graphmode=0; @@ -66,7 +94,7 @@ sub loadmap { } elsif ($token->[1] eq 'resource') { # -------------------------------------------------------------------- Resource $outstr.='<&>objcont'; - if ($token->[2]->{'id'}) { + if (defined($token->[2]->{'id'})) { $outstr.='<:>'.$token->[2]->{'id'}; if ($obj[$token->[2]->{'id'}]==1) { $errtext.='Error: multiple use of ID '. @@ -82,21 +110,25 @@ sub loadmap { $outstr.='<:>'; $outstr.=qtunescape($token->[2]->{'title'}).":"; $outstr.=qtunescape($token->[2]->{'src'}).":"; - if ($token->[2]->{'src'}=~/\/\//) { + if ($token->[2]->{'external'} eq 'true') { $outstr.='true:'; } else { $outstr.='false:'; } - if ($token->[2]->{'type'}) { + if (defined($token->[2]->{'type'})) { $outstr.=$token->[2]->{'type'}.':'; } else { $outstr.='normal:'; } - $outstr.='res'; + if ($token->[2]->{'type'} ne 'zombie') { + $outstr.='res'; + } else { + $outstr.='zombie'; + } } elsif ($token->[1] eq 'condition') { # ------------------------------------------------------------------- Condition $outstr.='<&>objcont'; - if ($token->[2]->{'id'}) { + if (defined($token->[2]->{'id'})) { $outstr.='<:>'.$token->[2]->{'id'}; if ($obj[$token->[2]->{'id'}]==1) { $errtext.='Error: multiple use of ID '. @@ -111,7 +143,7 @@ sub loadmap { } $outstr.='<:>'; $outstr.=qtunescape($token->[2]->{'value'}).':'; - if ($token->[2]->{'type'}) { + if (defined($token->[2]->{'type'})) { $outstr.=$token->[2]->{'type'}.':'; } else { $outstr.='normal:'; @@ -120,8 +152,8 @@ sub loadmap { } elsif ($token->[1] eq 'link') { # ----------------------------------------------------------------------- Links $outstr.='<&>objlinks'; - if ($graphmode) { - if ($token->[2]->{'index'}) { + + if (defined($token->[2]->{'index'})) { if ($links[$token->[2]->{'index'}]) { $errtext.='Error: multiple use of link index '. $token->[2]->{'index'}.'. '; @@ -134,14 +166,19 @@ sub loadmap { $outstr.='<:>'.$i; $links[$i]=1; } - } + $outstr.='<:>'.$token->[2]->{'from'}. ':'.$token->[2]->{'to'}; - if ($token->[2]->{'condition'}) { + if (defined($token->[2]->{'condition'})) { $outstr.=':'.$token->[2]->{'condition'}; } else { $outstr.=':0'; } +# ------------------------------------------------------------------- Parameter + } elsif ($token->[1] eq 'param') { + $outstr.='<&>objparms<:>'.$token->[2]->{'to'}.'<:>'. + $token->[2]->{'type'}.'___'.$token->[2]->{'name'} + .'___'.$token->[2]->{'value'}; } elsif ($graphmode) { # --------------------------------------------- All other tags (graphical only) $outstr.='<&>'.$token->[1]; @@ -159,7 +196,7 @@ sub loadmap { } else { $errtext.='Map not loaded: The file does not exist. '; } - return($outstr,$errtext); + return($outstr,$errtext,$infotext); } @@ -167,12 +204,14 @@ sub loadmap { sub savemap { my ($fn,$errtext)=@_; - if (($fn=~/\.course$/) || - ($fn=~/\.sequence$/) || - ($fn=~/\.page$/)) { + my $infotext=''; + my %alltypes; + my %allvalues; + if (($fn=~/\.sequence(\.tmp)*$/) || + ($fn=~/\.page(\.tmp)*$/)) { # ------------------------------------------------------------- Deal with input - my @tags=split(/<&>/,$ENV{'form.output'}); + my @tags=split(/<&>/,$env{'form.output'}); my $outstr=''; my $graphdef=0; if ($tags[0] eq 'graphdef<:>yes') { @@ -181,18 +220,19 @@ sub savemap { } else { $outstr="\n"; } - map { + foreach (@tags) { my @parts=split(/<:>/,$_); if ($parts[0] eq 'objcont') { my @comp=split(/:/,$parts[$#parts]); # --------------------------------------------------------------- Logical input - if ($comp[$#comp] eq 'res') { + if (($comp[$#comp] eq 'res') || ($comp[$#comp] eq 'zombie')) { $comp[0]=qtescape($comp[0]); $comp[1]=qtescape($comp[1]); if ($comp[2] eq 'true') { if ($comp[1]!~/^http\:\/\//) { $comp[1]='http://'.$comp[1]; } + $comp[1].='" external="true'; } else { if ($comp[1]=~/^http\:\/\//) { $comp[1]=~s/^http\:\/\/[^\/]*\//\//; @@ -207,14 +247,14 @@ sub savemap { if ($comp[0] ne '') { $outstr.=' title="'.$comp[0].'"'; } - $outstr.=">\n"; + $outstr.=" />\n"; } elsif ($comp[$#comp] eq 'cond') { $outstr.='' + ."\n"; + } + } } elsif (($parts[0] ne '') && ($graphdef)) { # ------------------------------------------------------------- Graphical input $outstr.='<'.$parts[0]; if ($#parts==2) { $outstr.=' index="'.$parts[1].'"'; } - $outstr.=' value="'.qtescape($parts[$#parts]).'">\n"; + $outstr.=' value="'.qtescape($parts[$#parts]).'" />'."\n"; } - } @tags; + } $outstr.="\n"; - { + if ($fn=~/^\/*uploaded\/(\w+)\/(\w+)\/(.*)$/) { + $env{'form.output'}=$outstr; + my $result=&Apache::lonnet::finishuserfileupload($2,$1, + 'output',$3); + if ($result != m|^/uploaded/|) { + $errtext.='Map not saved: A network error occured when trying to save the map. '; + } + } else { my $fh; if ($fh=Apache::File->new(">$fn")) { print $fh $outstr; - $errtext.="Map saved as $fn. "; + $infotext.="Map saved as $fn. "; } else { - $errtext.='Could not write file $fn. Map not saved. '; + $errtext.='Could not write file '.$fn.'. Map not saved. '; } } } else { # -------------------------------------------- Cannot write to that file, error $errtext.='Map not saved: The specified path does not exist. '; } - return $errtext; + &Apache::groupsort::clear_basket(); + return ($errtext,$infotext); } # ================================================================ Main Handler sub handler { my $r=shift; - $r->content_type('text/html'); + &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; @@ -269,41 +332,49 @@ sub handler { $url=~s/\/loadonly\/ratserver$/\/save\/ratserver/; my $fn=$r->filename; + my $lonDocRoot=$r->dir_config('lonDocRoot'); + if ( $fn =~ /$lonDocRoot/ ) { + #internal authentication, needs fixup. + $fn = $url; + $fn=~s|^/~(\w+)|/home/$1/public_html|; + $fn=~s|/[^/]*/ratserver$||; + } my $errtext=''; + my $infotext=''; my $outtext=''; - my $onload=''; if ($mode ne 'loadonly') { - $errtext=&savemap($fn,$errtext); - $onload='onLoad="parent.code.srvloaded();"'; + ($errtext,$infotext)=&savemap($fn,$errtext); } - ($outtext,$errtext)=&loadmap($fn,$errtext); + ($outtext,$errtext,$infotext)=&loadmap($fn,$errtext,$infotext); + + my $start_page = + &Apache::loncommon::start_page('Alert',undef, + {'only_body' => 1, + 'bgcolor' => '#FFFFFF',}); + my $end_page = + &Apache::loncommon::end_page(); $r->print(< - -
- +$start_page + +
+ ENDDOCUMENT - if ($errtext ne '') { + if (($errtext ne '') || ($infotext ne '')) { $r->print(< - alert("$errtext"); + ENDSCRIPT } - $r->print("\n\n"); + $r->print($end_page); return OK; } 1; __END__ - - - - - - -