--- loncom/homework/randomlabel.pm 2002/03/22 22:04:39 1.21 +++ loncom/homework/randomlabel.pm 2002/10/22 21:25:34 1.38 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # random labelling tool # -# $Id: randomlabel.pm,v 1.21 2002/03/22 22:04:39 albertel Exp $ +# $Id: randomlabel.pm,v 1.38 2002/10/22 21:25:34 sakharuk Exp $ # # Copyright Michigan State University Board of Trustees # @@ -57,48 +57,95 @@ # (21,54) : $GroupTwo[2] = "TEXT-2" # =========================================== package Apache::randomlabel; +use Apache::lonnet; use strict; use Apache::edit; +use Apache::File(); +use Apache::Constants qw(:common :http); BEGIN { &Apache::lonxml::register('Apache::randomlabel',('randomlabel','labelgroup','location','label')); } +sub check_int { + # utility function to do error checking on a integer. + my ($num,$default) = @_; + $default = 100 if (! defined($default)); + $num =~ s/\s+//g; # We dont need no stinkin white space! + # If it is a real, just grab the integer part. + ($num,undef) = split (/\./,$num) if ($num =~ /\./); + # set to default if what we have left doesn't match anything... + $num = $default unless ($num =~/^\d+$/); + return $num; +} + sub start_randomlabel { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; - $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]= - '/res/adm/includes/GLabel.class'; + push (@Apache::lonxml::extlinks, '/res/adm/includes/GLabel.class'); push (@Apache::lonxml::namespace,'randomlabel'); my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval); - if ( $bgimg !~ /^http:/ ) { - $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$bgimg; + push (@Apache::lonxml::extlinks,$bgimg); $bgimg=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$bgimg); if ($bgimg =~ /$Apache::lonnet::perlvar{'lonDocRoot'}/) { $bgimg=~s/$Apache::lonnet::perlvar{'lonDocRoot'}//; } elsif ($bgimg =~ m:^/home/.*/public_html:) { $bgimg =~ s:^/home/(.*)/public_html:/~$1:; } - $bgimg="http://".$ENV{'SERVER_NAME'}.$bgimg; + $bgimg='http://'.$ENV{'SERVER_NAME'}.$bgimg; } my $code = &Apache::lonxml::get_param('code',$parstack,$safeeval); my $codebase = &Apache::lonxml::get_param('codebase',$parstack,$safeeval); - my $w= &Apache::lonxml::get_param('width',$parstack,$safeeval); - my $h= &Apache::lonxml::get_param('height',$parstack,$safeeval); + my $w= &check_int(&Apache::lonxml::get_param('width',$parstack,$safeeval)); + my $h= &check_int(&Apache::lonxml::get_param('height',$parstack,$safeeval)); my $texwidth= &Apache::lonxml::get_param('texwidth',$parstack,$safeeval); if (!$code) { $code='GLabel.class'; } if (!$codebase) { $codebase='/res/adm/includes/'; } $Apache::randomlabel::tlabel_cnt=0; $Apache::randomlabel::ilabel_cnt=0; if ($target eq 'web') { - $result.=""; - $result.=""; + $result.="\n"; + $result.="\n"; } elsif ($target eq 'tex') { + my $newbgimg = $bgimg; $bgimg=~s/(.gif|.jpg)$/.eps/; - $bgimg=~s/http:\/\/[^\/]*/\/home\/httpd\/html/; - $result.='\vspace*{2mm} \noindent \epsfxsize='.$texwidth.' mm \epsffile{'. - $bgimg.'}\setlength{\unitlength}{1mm} \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')' + $bgimg= &Apache::lonnet::filelocation($bgimg); + if (not $ENV{'request.role'}=~/^au\./) { + $bgimg=~s/http:\/[^\/]*/\/home\/httpd\/html/; + $bgimg=~s/\/$//; + #if no eps file try to replicate it + if (not-e $bgimg) { + if (&Apache::lonnet::repcopy($bgimg) ne OK ) { + #if replication failed try to find ps file + $bgimg=~s/\.eps$/\.ps/; + #if no ps file try to replicate it + if (not-e $bgimg && + &Apache::lonnet::repcopy($bgimg) ne OK) { + #if replication failed try to produce eps file dynamically + $bgimg=~s/\.ps$/\.eps/; + my $temp_file; + my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat"; + $temp_file = Apache::File->new('>>'.$filename); + $newbgimg =~ s/(.*)\/res\//\/home\/httpd\/html\/res\//; + print $temp_file "$newbgimg\n"; + $bgimg =~ m/\/([^\/]+)$/; + $bgimg = '/home/httpd/prtspool/'.$1; + } + } + } + } else { + $bgimg=~s/http:\/[^\/]*\/~([^\/]+)/\/home\/$1\/public_html/; + } + $bgimg=~s/\/$//; + my $dirtywidth=$texwidth+5; + if ($texwidth==90) { + $result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.' mm}{ \noindent \epsfxsize='.$texwidth.' mm \epsffile{'. + $bgimg.'}\setlength{\unitlength}{1mm} \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')(0,-'.$texwidth*$h/$w.')'; + } else { + $result.='\vspace*{2mm}\noindent \parbox{'.$dirtywidth.' mm}{ \noindent \epsfxsize='.$texwidth.' mm \epsffile{'. + $bgimg.'}\setlength{\unitlength}{1mm} \begin{picture}('.$texwidth.','.$texwidth*$h/$w.')(0,-'.$texwidth*$h/$w.')'; + } } elsif ($target eq 'edit') { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' '; @@ -127,12 +174,20 @@ sub end_randomlabel { pop @Apache::lonxml::namespace; if ($target eq 'web') { $count = $Apache::randomlabel::tlabel_cnt; - if( $count != 0) { $result.= ""; } + if( $count != 0) { $result.= "\n"; } $count = $Apache::randomlabel::ilabel_cnt; - if( $count != 0) { $result.= ""; } - $result .= "
"; + if( $count != 0) { $result.= "\n"; } + $result .= "\n
"; } elsif ($target eq 'tex') { - $result='\end{picture}'; + $result='\end{picture}\\\\'; + @$parstack[-1]=~/\$height\s*=\s*?"(.+)?"/; + my $one=$1; + @$parstack[-1]=~/\$width\s*=\s*?"(.+)?"/; + my $two=$1; + @$parstack[-1]=~/\$texwidth\s*=\s*?"(.+)?"/; + my $three=$1; + my $howtoskipback = $three*$one/$two; + $result.=' \vskip -'.$howtoskipback.' mm }'; } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; } @@ -145,14 +200,15 @@ sub start_labelgroup { my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval); $type =~tr/A-Z/a-z/; - if ($target eq 'web' || $target eq 'tex' || - $target eq 'grade' || $target eq 'answer') { + if ($target eq 'web' || $target eq 'tex' || + $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') { $Apache::randomlabel::groupname=$name; $Apache::randomlabel::type=$type; @Apache::randomlabel::xcoord = (); @Apache::randomlabel::ycoord = (); @Apache::randomlabel::value = (); @Apache::randomlabel::label_arr = (); + @Apache::randomlabel::decription = (); } elsif ($target eq 'edit') { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::text_arg('Name:','name',$token). @@ -170,7 +226,7 @@ sub start_labelgroup { } sub add_vars { - my ($name,$order,$label,$labelorder,$value,$safeeval) = @_; + my ($name,$order,$label,$labelorder,$value,$image,$safeeval) = @_; my $code = '${'.$name."}{'".($order+1)."'}='".$label."';"; my $out=Apache::run::run($code,$safeeval); if ($value) { @@ -179,6 +235,10 @@ sub add_vars { $code = '${'.$name."}{'labelvalue_".($labelorder+1)."'}='".$value."';"; $out=Apache::run::run($code,$safeeval); } + if ($image) { + my $code = '${'.$name."}{'image_".($order+1)."'}='".$image."';"; + my $out=Apache::run::run($code,$safeeval); + } $code = '${'.$name."}{'numlocations'}='".($order+1)."';"; $out=Apache::run::run($code,$safeeval); } @@ -189,7 +249,8 @@ sub end_labelgroup { my $gname = $Apache::randomlabel::groupname; my $type = $Apache::randomlabel::type; my $result=''; - if ($target eq 'web' || $target eq 'answer' || $target eq 'grade') { + if ($target eq 'web' || $target eq 'answer' || $target eq 'grade' || + $target eq 'analyze') { my @idx_arr = (0 .. $#Apache::randomlabel::label_arr); &Apache::structuretags::shuffle(\@idx_arr); for(0 .. $#Apache::randomlabel::label_arr) { @@ -201,16 +262,18 @@ sub end_labelgroup { my $y = $Apache::randomlabel::ycoord[$_]; my $value = $Apache::randomlabel::value[$_]; if( $type eq 'text') { - &add_vars($gname,$_,$label,$idx_arr[$_],$value,$safeeval); + &add_vars($gname,$_,$label,$idx_arr[$_],$value,'',$safeeval); $str = 'LB'.$Apache::randomlabel::tlabel_cnt; $xstr = 'X'.$Apache::randomlabel::tlabel_cnt; $ystr = 'Y'.$Apache::randomlabel::tlabel_cnt; $Apache::randomlabel::tlabel_cnt += 1; } elsif ( $type eq 'image') { - &add_vars($gname,$_,$idx_arr[$_],$idx_arr[$_],$value,$safeeval); - $str = 'LB'.$Apache::randomlabel::ilabel_cnt; - $xstr = 'X'.$Apache::randomlabel::ilabel_cnt; - $ystr = 'Y'.$Apache::randomlabel::ilabel_cnt; + &add_vars($gname,$_, + $Apache::randomlabel::description[$idx_arr[$_]], + $idx_arr[$_],$value,$label,$safeeval); + $str = 'IMG'.$Apache::randomlabel::ilabel_cnt; + $xstr = 'IX'.$Apache::randomlabel::ilabel_cnt; + $ystr = 'IY'.$Apache::randomlabel::ilabel_cnt; $Apache::randomlabel::ilabel_cnt += 1; } else { &Apache::lonxml::error('Unknown type of label :'.$type.':'); @@ -218,7 +281,7 @@ sub end_labelgroup { if ($target eq 'web') { $result .= ''; $result .= ''; - $result .= ''; + $result .= ''."\n"; } } } elsif ($target eq 'tex') { @@ -247,18 +310,20 @@ sub end_labelgroup { my $x = $Apache::randomlabel::xcoord[$i]; my $y = $Apache::randomlabel::ycoord[$i]; my $value = $Apache::randomlabel::value[$i]; -# my $tcX=$x*($texwidth/$wwidth) - $texwidth; - my $tcX=$x*($texwidth/$wwidth); -# my $tcY=$TY1-$y*($TY1/$wheight)-2; - my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 ); - my $tcY=$TY1-$y*($TY1/$wheight)+$texwidth*$ratio; + #x latex coordinate + my $tcX=($x)*($texwidth/$wwidth); + #y latex coordinate +# my $ratio=($wwidth > 0 ? $wheight/$wwidth : 1 ); + my $tcY=$TY1-$y*($TY1/$wheight); $tcX=sprintf('%.2f',$tcX); $tcY=sprintf('%.2f',$tcY); $result.='\put('.$tcX.','.$tcY.'){\normalsize \bf '.$label.'}'."\n"; if( $type eq 'text') { - &add_vars($gname,$i,$label,$idx_arr[$i],$value,$safeeval); + &add_vars($gname,$i,$label,$idx_arr[$i],$value,'',$safeeval); } elsif ( $type eq 'image') { - &add_vars($gname,$i,$idx_arr[$i],$idx_arr[$i],$value,$safeeval); + &add_vars($gname,$i, + $Apache::randomlabel::description[$idx_arr[$i]], + $idx_arr[$i],$value,$label,$safeeval); } else { &Apache::lonxml::error('Unknown type of label :'.$type.':'); } @@ -272,8 +337,8 @@ sub end_labelgroup { # sub start_location { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; - my $x= &Apache::lonxml::get_param('x',$parstack,$safeeval); - my $y= &Apache::lonxml::get_param('y',$parstack,$safeeval); + my $x= &check_int(&Apache::lonxml::get_param('x',$parstack,$safeeval),50); + my $y= &check_int(&Apache::lonxml::get_param('y',$parstack,$safeeval),50); my $value= &Apache::lonxml::get_param('value',$parstack,$safeeval); my $result=''; push(@Apache::randomlabel::xcoord,$x); @@ -308,20 +373,45 @@ sub end_location { sub start_label { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; - if ($target eq 'web' || $target eq 'tex' || - $target eq 'grade' || $target eq 'answer') { + my $type = &Apache::lonxml::get_param('type',$parstack,$safeeval,-2); + if ($target eq 'web' || $target eq 'tex' || + $target eq 'grade' || $target eq 'answer' || $target eq 'analyze') { my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[-1]); $ltext=&Apache::run::evaluate($ltext,$safeeval,$$parstack[-1]); + if ($type eq 'image') { + &Apache::lonxml::debug("Turning $ltext and $Apache::lonxml::pwd[-1]"); + $ltext="http://$ENV{'SERVER_NAME'}".&Apache::lonnet::hreflocation($Apache::lonxml::pwd[-1], + $ltext); + &Apache::lonxml::debug("into $ltext"); + my $description = &Apache::lonxml::get_param('description', + $parstack,$safeeval); + push(@Apache::randomlabel::description,$description); + } push(@Apache::randomlabel::label_arr,$ltext); } elsif ($target eq 'edit') { - $result.=&Apache::edit::tag_start($target,$token); + $result.=&Apache::edit::tag_start($target,$token,"$type Label"); my $text=&Apache::lonxml::get_all_text("/label",$$parser[-1]); - $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(). - &Apache::edit::editfield('',$text,'',20,1). - &Apache::edit::end_table(); + if ($type eq 'image') { + $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(); + $result.=&Apache::edit::text_arg('Description:','description',$token); + } + if ($type eq 'text') { $result.="Label Text:"; } + if ($type eq 'image') { $result.="Path to image:"; } + $result.=&Apache::edit::editline('',$text,'',20). + &Apache::edit::end_table(); } elsif ($target eq 'modified') { my $text=$$parser[-1]->get_text("/label"); - $result.='