--- loncom/homework/randomlabel.pm 2001/08/30 19:39:12 1.3 +++ loncom/homework/randomlabel.pm 2001/10/24 19:40:50 1.6 @@ -4,19 +4,19 @@ # 8/10/2001 Isaac Tsai, # 8/30/2001 Isaac Tsai, # SYNTAX: -# -# -# -# -# -# -# -# +# +# +# +# +# +# +# +# # -# -# -# -# +# +# +# +# # # # @@ -41,20 +41,48 @@ sub BEGIN { 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'; + 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); + $bgimg=~s-$Apache::lonnet::perlvar{'lonDocRoot'}--; + $bgimg="http://".$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 $texwidth= &Apache::lonxml::get_param('texwidth',$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.=""; $result.=""; + } elsif ($target eq 'tex') { + $bgimg=~s/(.gif|.jpg)$/.ps/; + $result.='\vspace*{2mm} \\ \noindent \epsfxsize='.$texwidth.' \epsffile{'. + $bgimg.'}\setlength{\unitlength}{1mm} \\ \begin{picture}(0,0)(0,-5)'; } elsif ($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',$token,4). + ''; } elsif ($target eq 'modified') { - } else { + my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, + 'bgimg','width','height', + 'texwidth'); + if ($constructtag) { + $result = &Apache::edit::rebuild_tag($token); + $result.=&Apache::edit::handle_insert(); + } } return $result; } @@ -64,16 +92,17 @@ sub end_randomlabel { my $result=''; my $count; - $count = $Apache::randomlabel::tlabel_cnt; - if( $count != 0) { - $result.= ""; - } - $count = $Apache::randomlabel::ilabel_cnt; - if( $count != 0) { - $result.= ""; - } + if ($target eq 'web') { + $count = $Apache::randomlabel::tlabel_cnt; + if( $count != 0) { $result.= ""; } + $count = $Apache::randomlabel::ilabel_cnt; + if( $count != 0) { $result.= ""; } $result .= "
"; + } elsif ($target eq 'tex') { + $result='\end{picture}'; + } elsif ($target eq 'edit') { + $result.=&Apache::edit::end_table; } return $result; } @@ -84,93 +113,188 @@ 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/; - $Apache::randomlabel::groupname=$name; - $Apache::randomlabel::type=$type; - @Apache::randomlabel::xcoord = (); - @Apache::randomlabel::ycoord = (); - @Apache::randomlabel::label_arr = (); + if ($target eq 'web' || $target eq 'tex' || + $target eq 'grade' || $target eq 'answer') { + $Apache::randomlabel::groupname=$name; + $Apache::randomlabel::type=$type; + @Apache::randomlabel::xcoord = (); + @Apache::randomlabel::ycoord = (); + @Apache::randomlabel::value = (); + @Apache::randomlabel::label_arr = (); + } elsif ($target eq 'edit') { + $result.=&Apache::edit::tag_start($target,$token); + $result.=&Apache::edit::text_arg('Name:','name',$token). + &Apache::edit::select_arg('Type:','type',['text','image'],$token). + ''; + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, + 'name','type'); + if ($constructtag) { + $result = &Apache::edit::rebuild_tag($token); + $result.=&Apache::edit::handle_insert(); + } + } return $result; } +sub add_vars { + my ($name,$order,$label,$labelorder,$value,$safeeval) = @_; + my $code = '${'.$name."}{'".($order+1)."'}='".$label."';"; + my $out=Apache::run::run($code,$safeeval); + if ($value) { + $code = '${'.$name."}{'value_".($order+1)."'}='".$value."';"; + $out=Apache::run::run($code,$safeeval); + $code = '${'.$name."}{'labelvalue_".($labelorder+1)."'}='".$value."';"; + $out=Apache::run::run($code,$safeeval); + } + $code = '${'.$name."}{'numlocations'}='".($order+1)."';"; + $out=Apache::run::run($code,$safeeval); +} + # begin to assign labels to locations sub end_labelgroup { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; my $gname = $Apache::randomlabel::groupname; - my $count; my $type = $Apache::randomlabel::type; - my $code; - my $out; - my $label; - my $x; - my $y; - my $text=''; - my $str; - my $xstr; - my $ystr; - - my @idx_arr = (0 .. $#Apache::randomlabel::label_arr); - &Apache::structuretags::shuffle(\@idx_arr); - for(0 .. $#Apache::randomlabel::label_arr) { - $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]"; - if( $type eq 'text') { - $code = "push(\@$gname, $label);" ; - $str = 'LB'.$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') { - $code = "push(\@$gname, $idx_arr[$_]);" ; - $str = 'LB'.$Apache::randomlabel::ilabel_cnt; - $xstr = 'X'.$Apache::randomlabel::ilabel_cnt; - $ystr = 'Y'.$Apache::randomlabel::ilabel_cnt; - $Apache::randomlabel::ilabel_cnt += 1; - } else { + my $result=''; + if ($target eq 'web' || $target eq 'answer' || $target eq 'grade') { + my @idx_arr = (0 .. $#Apache::randomlabel::label_arr); + &Apache::structuretags::shuffle(\@idx_arr); + for(0 .. $#Apache::randomlabel::label_arr) { + my $str; + my $xstr; + my $ystr; + my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$_] ]"; + my $x = $Apache::randomlabel::xcoord[$_]; + my $y = $Apache::randomlabel::ycoord[$_]; + my $value = $Apache::randomlabel::value[$_]; + if( $type eq 'text') { + &add_vars($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; + $Apache::randomlabel::ilabel_cnt += 1; + } else { + &Apache::lonxml::error('Unknown type of label :'.$type.':'); + } + if ($target eq 'web') { + $result .= ''; + $result .= ''; + $result .= ''; + } } - # $x = pop @Apache::randomlabel::xcoord; - # $y = pop @Apache::randomlabel::ycoord; - $x = $Apache::randomlabel::xcoord[$_]; - $y = $Apache::randomlabel::ycoord[$_]; - $text .= ""; - $text .= " "; - $text .= ""; - $out=Apache::run::run($code,$safeeval); + } elsif ($target eq 'tex') { + my $WX1=0; # Web x-coord. of upper left corner (ULC) + my $WY1=0; # Web y-coord. of (ULC) + my $wwidth=&Apache::lonxml::get_param('width',$parstack,$safeeval,-2); + my $wheight=&Apache::lonxml::get_param('height',$parstack,$safeeval,-2); + my $texwidth=&Apache::lonxml::get_param('texwidth',$parstack,$safeeval,-2); + my $TX1=0; + my $TY1=$texwidth*($wheight/$wwidth); + my $TX2=$texwidth; + my $TY2=0; + + + my $slopex=($wwidth-$WX1)/($TX2-$TX1); + my $slopey=($wheight-$WY1)/($TY2-($TY1-1.0)); + my $cstx=$wwidth-$slopex*($TX2); + my $csty=$wheight-$slopey*($TY2); + + my @idx_arr = (0 .. $#Apache::randomlabel::label_arr); + &Apache::structuretags::shuffle(\@idx_arr); + + &Apache::lonxml::debug("Array is:".$#Apache::randomlabel::label_arr.":"); + for(my $i=0;$i <= $#Apache::randomlabel::label_arr; $i++) { + my $label = "$Apache::randomlabel::label_arr[ $idx_arr[$i] ]"; + 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; + $tcX=sprintf('%.2f',$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); + } elsif ( $type eq 'image') { + &add_vars($gname,$i,$idx_arr[$i],$idx_arr[$i],$value,$safeeval); + } else { + &Apache::lonxml::error('Unknown type of label :'.$type.':'); + } + } + } elsif ($target eq 'edit') { + $result.=&Apache::edit::end_table; } - return $text; + return $result; } -# +# sub start_location { my ($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 $value= &Apache::lonxml::get_param('value',$parstack,$safeeval); my $result=''; - push(@Apache::randomlabel::xcoord,$x); - push(@Apache::randomlabel::ycoord,$y); + push(@Apache::randomlabel::ycoord,$y); + push(@Apache::randomlabel::value,$value); + if ($target eq 'edit') { + $result.=&Apache::edit::tag_start($target,$token); + $result.=&Apache::edit::text_arg('X:','x',$token,4). + &Apache::edit::text_arg('Y:','y',$token,4). + &Apache::edit::text_arg('Value:','value',$token). + ''; + $result.=&Apache::edit::end_table; + } elsif ($target eq 'modified') { + my $constructtag=&Apache::edit::get_new_args($token,$parstack,$safeeval, + 'x','y','value'); + if ($constructtag) { + $result = &Apache::edit::rebuild_tag($token); + $result.=&Apache::edit::handle_insert(); + } + } return $result; } sub end_location { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; - my $result=''; - return $result; + my @result; + if ($target eq 'edit') { @result=('','no') } + return @result; } # sub start_label { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; - my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[$#$parser]); my $result=''; - - push(@Apache::randomlabel::label_arr,$ltext); + if ($target eq 'web' || $target eq 'tex' || + $target eq 'grade' || $target eq 'answer') { + my $ltext=&Apache::lonxml::get_all_text("/label",$$parser[-1]); + 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",$$parser[-1]); + $result.=''. + &Apache::edit::editfield('',$text,'',20,1). + &Apache::edit::end_table(); + } elsif ($target eq 'modified') { + my $text=$$parser[-1]->get_text("/label"); + $result.=&Apache::edit::modifiedfield($token); + } return $result; } sub end_label { my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; - my $result=''; - - return $result; + my @result; + if ($target eq 'edit') { @result=('','no') } + return @result; }