--- loncom/homework/randomlabel.pm 2002/01/17 12:23:31 1.10 +++ loncom/homework/randomlabel.pm 2003/06/19 22:23:10 1.46 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # random labelling tool # -# $Id: randomlabel.pm,v 1.10 2002/01/17 12:23:31 harris41 Exp $ +# $Id: randomlabel.pm,v 1.46 2003/06/19 22:23:10 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -57,54 +57,94 @@ # (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::namespace,'randomlabel'); my $bgimg= &Apache::lonxml::get_param('bgimg',$parstack,$safeeval); - if ( $bgimg !~ /^http:/ ) { - $Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$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:/~$1:; + if (&Apache::lonnet::repcopy($bgimg) ne OK) { + $bgimg='/home/httpd/html/adm/lonKaputt/lonlogo_broken.gif'; } - $bgimg="http://".$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.=""; + &Apache::lonxml::startredirection(); + $result.="BGIMG=".&Apache::lonnet::escape($bgimg); } elsif ($target eq 'tex') { - $bgimg=~s/(.gif|.jpg)$/.ps/; - $result.='\vspace*{2mm} \\ \noindent \epsfxsize='.$texwidth.' \epsffile{'. - $bgimg.'}\setlength{\unitlength}{1mm} \\ \begin{picture}(0,0)(0,-5)'; + my $newbgimg = $bgimg; + $bgimg=~s/\.(gif|jpg|png|jpeg)$/\.eps/i; + $bgimg= &Apache::lonnet::filelocation($bgimg); + $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; + } + } + } + $bgimg=~s/\/$//; + 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).'
'. - &Apache::edit::text_arg('Width(pixel):','width',$token,4). - &Apache::edit::text_arg('Height(pixel):','height',$token,4). - &Apache::edit::text_arg('TeXWidth(mm):','texwidth',$token,4). - &Apache::edit::end_row().&Apache::edit::start_spanning_row(); + $Apache::edit::bgimgsrc= + &Apache::lonxml::get_param('bgimg',$parstack,$safeeval); + $Apache::edit::bgimgsrccurdepth=$Apache::lonxml::curdepth; + $result.=&Apache::edit::text_arg('Image:','bgimg',$token,75).' '; + $result.=&Apache::edit::browse('bgimg').' '; + $result.=&Apache::edit::search('bgimg').'
'. + &Apache::edit::text_arg('Width(pixel):' ,'width' ,$token,6). + &Apache::edit::text_arg('Height(pixel):','height' ,$token,6). + &Apache::edit::text_arg('TeXWidth(mm):' ,'texwidth',$token,6). + &Apache::edit::end_row().&Apache::edit::start_spanning_row(); } elsif ($target eq 'modified') { my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, 'bgimg','width','height', @@ -121,16 +161,26 @@ sub end_randomlabel { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $result=''; my $count; - - + pop @Apache::lonxml::namespace; if ($target eq 'web') { - $count = $Apache::randomlabel::tlabel_cnt; - if( $count != 0) { $result.= ""; } - $count = $Apache::randomlabel::ilabel_cnt; - if( $count != 0) { $result.= ""; } - $result .= "
"; + my $args=&Apache::lonxml::endredirection(); + $args=~s/\s*&/&/g; + $args=~s/\s*$//; + $count = $Apache::randomlabel::tlabel_cnt; + if( $count != 0) { $args.= "&COUNT=$count"; } + $count = $Apache::randomlabel::ilabel_cnt; + if( $count != 0) { $args.= "&ICOUNT=$count"; } + my $token=$Apache::lonxml::curdepth.'_'.$$; + $result.='
'."\n"; + &Apache::lonnet::appenv(("imagerequest.$token"=>&Apache::lonnet::escape($args))); } elsif ($target eq 'tex') { - $result='\end{picture}'; + $result='\end{picture}\\\\'; + my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval); + my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval); + my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval); + my $howtoskipback = $texwidth*$height/$width; + $result.= ' \vskip -'.$howtoskipback.' mm } \\\\ '; } elsif ($target eq 'edit') { $result.=&Apache::edit::end_table; } @@ -143,14 +193,15 @@ 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). @@ -168,7 +219,7 @@ 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) { @@ -177,6 +228,10 @@ 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); } @@ -187,7 +242,8 @@ 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) { @@ -199,24 +255,26 @@ 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.':'); } if ($target eq 'web') { - $result .= ''; - $result .= ''; - $result .= ''; + $result .= '&'. $str .'='.&Apache::lonnet::escape($label); + $result .= '&'. $xstr .'='.$x; + $result .= '&'. $ystr .'='.$y; } } } elsif ($target eq 'tex') { @@ -245,15 +303,20 @@ 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); - my $tcY=$TY1-$y*($TY1/$wheight)-2; + #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.':'); } @@ -267,8 +330,8 @@ 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); @@ -278,6 +341,7 @@ sub start_location { $result.=&Apache::edit::tag_start($target,$token); $result.=&Apache::edit::text_arg('X:','x',$token,4). &Apache::edit::text_arg('Y:','y',$token,4). + &Apache::edit::entercoords('x','y','attribute','width','height').'   '. &Apache::edit::text_arg('Value:','value',$token). &Apache::edit::end_row(); $result.=&Apache::edit::end_table; @@ -303,18 +367,44 @@ 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 $ltext=&Apache::lonxml::get_all_text("/label",$$parser[-1]); + 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); + $ltext=&Apache::run::evaluate($ltext,$safeeval,$$parstack[-1]); + if ($type eq 'image') { + &Apache::lonxml::debug("Turning $ltext and $Apache::lonxml::pwd[-1]"); + $ltext=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1], + $ltext); + &Apache::lonxml::debug("into $ltext"); + my $description = &Apache::lonxml::get_param('description', + $parstack,$safeeval); + push(@Apache::randomlabel::description,$description); + } push(@Apache::randomlabel::label_arr,$ltext); } elsif ($target eq 'edit') { - $result.=&Apache::edit::tag_start($target,$token); - my $text=&Apache::lonxml::get_all_text("/label",$$parser[-1]); - $result.=&Apache::edit::end_row().&Apache::edit::start_spanning_row(). - &Apache::edit::editfield('',$text,'',20,1). - &Apache::edit::end_table(); + $result.=&Apache::edit::tag_start($target,$token,"$type Label"); + my $text=&Apache::lonxml::get_all_text("/label",$parser); + 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,'',50). + &Apache::edit::end_table(); } elsif ($target eq 'modified') { my $text=$$parser[-1]->get_text("/label"); + $result = '