--- loncom/xml/londefdef.pm 2003/10/14 14:40:33 1.181
+++ loncom/xml/londefdef.pm 2004/03/12 15:21:49 1.202
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
-# $Id: londefdef.pm,v 1.181 2003/10/14 14:40:33 sakharuk Exp $
+# $Id: londefdef.pm,v 1.202 2004/03/12 15:21:49 sakharuk Exp $
#
#
# Copyright Michigan State University Board of Trustees
@@ -50,8 +50,8 @@ use Apache::File();
use Image::Magick;
use Apache::lonmenu();
use Apache::lonmeta();
+use Apache::Constants qw(:common);
-$Apache::londefdef::TD_redirection=0;
BEGIN {
@@ -59,6 +59,15 @@ BEGIN {
}
+sub initialize_londefdef {
+ $Apache::londefdef::TD_redirection=0;
+ @Apache::londefdef::table = ();
+ $Apache::londefdef::select=0;
+ @Apache::londefdef::description=();
+ $Apache::londefdef::DD_redirection=0;
+ $Apache::londefdef::DT_redirection=0;
+}
+
#======================= TAG SUBROUTINES =====================
#-- <output>
sub start_output {
@@ -73,11 +82,11 @@ sub end_output {
}
#-- <m> tag
sub start_m {
- my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
my $currentstring = '';
- if ($target eq 'web') {
+ my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+ if ($target eq 'web' || $target eq 'analyze') {
$Apache::lonxml::prevent_entity_encode++;
- my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
$inside ='\\documentstyle{article}'.$inside;
&Apache::lonxml::debug("M is starting with:$inside:");
my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
@@ -94,15 +103,13 @@ sub start_m {
#&Apache::lonxml::debug("M is ends with:$currentstring:");
$Apache::lonxml::post_evaluate=0;
} elsif ($target eq 'tex') {
- $currentstring = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
+ $currentstring = $inside;
my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
if ($eval eq 'on') {
$currentstring=&Apache::run::evaluate($currentstring,$safeeval,$$parstack[-1]);
}
if ($currentstring=~/^(\s*\\\\\s*)*$/) {$currentstring = ' \vskip 0 mm ';}
$Apache::lonxml::post_evaluate=0;
- } else {
- my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
}
return $currentstring;
}
@@ -144,22 +151,9 @@ sub end_tthoption {
sub start_html {
my ($target,$token) = @_;
my $currentstring = '';
- if ($ENV{'browser.mathml'}) {
- &tth::ttminit();
- if ($ENV{'browser.unicode'}) {
- &tth::ttmoptions('-L -u1');
- } else {
- &tth::ttmoptions('-L -u0');
- }
- } else {
- &tth::tthinit();
- if ($ENV{'browser.unicode'}) {
- &tth::tthoptions('-L -u1');
- } else {
- &tth::tthoptions('-L -u0');
- }
- }
- if ($target eq 'web') {
+ my $options=$ENV{'course.'.$ENV{'request.course.id'}.'.tthoptions'};
+ &Apache::lontexconvert::init_tth();
+ if ($target eq 'web' || $target eq 'edit') {
$currentstring = &Apache::lonxml::xmlbegin().
&Apache::lonxml::fontsettings();
} elsif ($target eq 'tex') {
@@ -344,7 +338,7 @@ sub start_title {
}
if ($target eq 'meta') {
$currentstring='<title>';
- &start_output();
+ &start_output($target);
}
return $currentstring;
}
@@ -358,7 +352,7 @@ sub end_title {
$currentstring .= '}';
}
if ($target eq 'meta') {
- &end_output();
+ &end_output($target);
$currentstring='</title>';
}
return $currentstring;
@@ -541,12 +535,13 @@ sub start_body {
if ($ENV{'request.state'} ne 'published') {
$currentstring.=(<<EDITBUTTON);
<form method="post">
- <input type="submit" name="editmode" value="Edit" />
+ <input type="submit" name="editmode" accesskey="e" value="Edit" />
</form>
EDITBUTTON
} else {
$currentstring.=&Apache::lonmenu::menubuttons(undef,$target,1);
}
+ $currentstring.=&Apache::lonxml::message_location();
} elsif ($target eq 'tex') {
$currentstring = '\begin{document}';
}
@@ -625,8 +620,7 @@ sub start_strong {
sub end_strong {
my ($target,$token) = @_;
my $currentstring = '';
- if ($target eq 'web') {
-
+ if ($target eq 'web') {
$currentstring = $token->[2];
} elsif ($target eq 'tex') {
$currentstring = '}';
@@ -642,7 +636,7 @@ sub start_h1 {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
my $pre;
- my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+ my $align=lc(&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1));
if (($align eq 'center') || (not defined $align)) {
$pre='\begin{center}';
} elsif ($align eq 'left') {
@@ -655,7 +649,7 @@ sub start_h1 {
$currentstring .= $pre.'{\\'.$TeXsize.' \textbf{';
} elsif ($target eq 'meta') {
$currentstring='<subject>';
- &start_output();
+ &start_output($target);
}
return $currentstring;
}
@@ -677,7 +671,7 @@ sub end_h1 {
}
$currentstring .= '}}'.$post;
} elsif ($target eq 'meta') {
- &end_output();
+ &end_output($target);
$currentstring='</subject>';
}
return $currentstring;
@@ -1106,24 +1100,45 @@ sub end_q {
}
#-- <p> tag (end tag optional)
+#optional attribute - align="center|left|right"
sub start_p {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- my $signal=1;
- foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}}
- if ($signal) {$currentstring .= '\par ';}
+ my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+ if ($align eq 'center') {
+ $currentstring='\begin{center}\par';
+ } elsif ($align eq 'right') {
+ $currentstring='\makebox['.$ENV{'form.textwidth'}.']{\hfill\llap{';
+ } elsif ($align eq 'left') {
+ $currentstring='\noindent\makebox['.$ENV{'form.textwidth'}.']{\rlap{';
+ }
+ my $signal=1;#<p> does not work inside <b>...</b>
+ foreach my $tag (@$tagstack) {if (lc($tag) eq 'b') {$signal=0;}
+ if (!$signal) {$currentstring = '';}
+ }
}
return $currentstring;
}
sub end_p {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web') {
$currentstring .= $token->[2];
+ } elsif ($target eq 'tex') {
+ if ($$tagstack[-1] eq 'p') {
+ my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+ if ($align eq 'center') {
+ $currentstring .= '\end{center}';
+ } elsif ($align eq 'right') {
+ $currentstring .= '}}';
+ } elsif ($align eq 'left') {
+ $currentstring .= '}\hfill}';
+ }
+ }
}
return $currentstring;
}
@@ -1323,7 +1338,7 @@ sub start_sub {
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= "\$_{ ";
+ $currentstring .= '\ensuremath{_{';
}
return $currentstring;
}
@@ -1334,7 +1349,7 @@ sub end_sub {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= " }\$";
+ $currentstring .= '}}';
}
return $currentstring;
}
@@ -1346,7 +1361,7 @@ sub start_sup {
if ($target eq 'web') {
$currentstring .= $token->[4];
} elsif ($target eq 'tex') {
- $currentstring .= "\$^{ ";
+ $currentstring .= '\ensuremath{^{';
}
return $currentstring;
}
@@ -1357,7 +1372,7 @@ sub end_sup {
if ($target eq 'web') {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
- $currentstring .= " }\$";
+ $currentstring .= '}}';
}
return $currentstring;
}
@@ -1995,14 +2010,11 @@ sub end_td_tex {
$newdata=~s/\\vskip \d*\.?\d*\s*mm/THISISJUSTTEMPORARYSEPARATOR/g;
my @newdata=split(/THISISJUSTTEMPORARYSEPARATOR/,$newdata);
foreach my $elementdata (@newdata) {
- $elementdata=~s/^\s+(\S.*)/$1/;
- $elementdata=~s/(.*\S)\s+$/$1/;
- $elementdata=~s/(\s)+/$1/;
- my $lengthnewdata=1.8*length($elementdata);
+ my $lengthnewdata=1.8*LATEX_length($elementdata);
if ($lengthnewdata>$current_length) {$current_length=$lengthnewdata;}
}
} else {
- $current_length=1.8*length($data);
+ $current_length=1.8*LATEX_length($data);
}
$Apache::londefdef::table[-1]{'length'} .= $current_length.',';
$Apache::londefdef::table[-1]{'TeXlength'} .= '0,';
@@ -2088,10 +2100,13 @@ sub start_img {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,
undef,1);
+ if (not $src and ($target eq 'web' or $target eq 'tex')) {
+ my $inside = &Apache::lonxml::get_all_text("/img",$parser);
+ &Apache::lonnet::logthis("inside was $inside");
+ return '';
+ }
$Apache::lonxml::extlinks[$#Apache::lonxml::extlinks+1]=$src;
my $currentstring = '';
- my $width_param = '';
- my $height_param = '';
my $scaling = .3;
if ($target eq 'web') {
if ($ENV{'browser.imagesuppress'} ne 'on') {
@@ -2107,38 +2122,11 @@ sub start_img {
}
} elsif ($target eq 'tex') {
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
- &image_replication($src);
#if original gif/jpg/png file exist do following:
- if (-e $src) {
- #defines the default size of image
- my $image = Image::Magick->new;
- my $current_figure = $image->Read($src);
- $width_param = $image->Get('width') * $scaling;;
- $height_param = $image->Get('height') * $scaling;;
- undef $image;
- #do we have any specified size of the picture?
- my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
- my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
- my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
- undef,1);
- if ($TeXwidth ne '') {
- if ($TeXwidth=~/(\d+)\s*\%/) {
- $width_param = $1*$ENV{'form.textwidth'}/100;
- } else {
- $width_param = $TeXwidth;
- }
- } elsif ($TeXheight ne '') {
- $width_param = $TeXheight/$height_param*$width_param;
- } elsif ($width ne '') {
- $width_param = $width*$scaling;
- }
- if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
- my $file;
- my $path;
- if ($src =~ m!(.*)/([^/]*)$!) {
- $file = $2;
- $path = $1.'/';
- }
+ if (-e $src) {
+ #what is the image size?
+ my $width_param=&image_size($src,$scaling,$parstack,$safeeval);
+ my ($file,$path)=&file_path($src);
my $newsrc = $src;
$newsrc =~ s/\.(gif|jpg|png)$/.eps/i;
$file=~s/\.(gif|jpg|png)$/.eps/i;
@@ -2158,12 +2146,8 @@ sub start_img {
$currentstring .= '\vskip 1 mm \noindent\graphicspath{{'.$path.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
}
} else {
- #there aren't eps or ps - so create eps
- my $temp_file;
- my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
- $temp_file = Apache::File->new('>>'.$filename);
- print $temp_file "$src\n";
- $currentstring .= '\vskip 1 mm \graphicspath{{/home/httpd/prtspool/}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+ #care about eps dynamical generation
+ $currentstring.='\vskip 1 mm '.&eps_generation($src,$file,$width_param);
}
}
} else {
@@ -2180,6 +2164,45 @@ sub start_img {
#<allow> tag will care about replication
}
}
+ } elsif ($target eq 'edit') {
+ $currentstring .=&Apache::edit::tag_start($target,$token);
+ $currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
+ &Apache::edit::browse('src',undef,'alt').' '.
+ &Apache::edit::search('src',undef,'alt').'<br />';
+ $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'<br />';
+ $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5);
+ $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'<br />';
+ $currentstring .=&Apache::edit::text_arg('TeXwidth (mm):','TeXwidth',$token,5);
+ $currentstring .=&Apache::edit::text_arg('TeXheight (mm):','TeXheight',$token,5);
+ $currentstring .=&Apache::edit::end_row().&Apache::edit::start_spanning_row();
+ my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval);
+ my $alt=&Apache::lonxml::get_param('alt',$parstack,$safeeval);
+ my $width=&Apache::lonxml::get_param('width',$parstack,$safeeval);
+ my $height=&Apache::lonxml::get_param('height',$parstack,$safeeval);
+ $currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
+ if ($width) { $currentstring.=' width="'.$width.'" '; }
+ if ($height) { $currentstring.=' height="'.$height.'" '; }
+ $currentstring .= ' />';
+ } elsif ($target eq 'modified') {
+ my $constructtag=&Apache::edit::get_new_args($token,$parstack,
+ $safeeval,'src','alt',
+ 'TeXwidth','TeXheight',
+ 'width','height');
+ $src=$token->[2]{'src'};
+ if (!$token->[2]{'width'} && !$token->[2]{'height'}) {
+ $src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
+ &image_replication($src);
+ if (-e $src) {
+ my $image = Image::Magick->new;
+ my ($width, $height, $size, $format) = $image->Ping($src);
+ if ($width && $height) {
+ $token->[2]{'width'} =$width;
+ $token->[2]{'height'}=$height;
+ $constructtag=1;
+ }
+ }
+ }
+ if ($constructtag) {$currentstring=&Apache::edit::rebuild_tag($token);}
}
return $currentstring;
}
@@ -3296,22 +3319,71 @@ sub end_hideweboutput {
sub image_replication {
my $src = shift;
- if (not -e $src) {
- #replicates image itself
- &Apache::lonnet::repcopy($src);
- #replicates eps or ps
- my $newsrc = $src;
- $newsrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
- if (not -e $newsrc) {
- if (&Apache::lonnet::repcopy($newsrc) ne 'OK') {
- $newsrc =~ s/\.eps$/\.ps/;
- &Apache::lonnet::repcopy($newsrc);
- }
- }
+ if (not -e $src) { &Apache::lonnet::repcopy($src); }
+ #replicates eps or ps
+ my $epssrc = my $pssrc = $src;
+ $epssrc =~ s/\.(gif|jpg|jpeg|png)$/.eps/i;
+ $pssrc =~ s/\.(gif|jpg|jpeg|png)$/.ps/i;
+ if (not -e $epssrc && not -e $pssrc) {
+ my $result=&Apache::lonnet::repcopy($epssrc);
+ if ($result ne OK) { &Apache::lonnet::repcopy($pssrc); }
}
return '';
}
+sub image_size {
+ my ($src,$scaling,$parstack,$safeeval)=@_;
+ #size of image from gif/jpg/jpeg/png
+ my $image = Image::Magick->new;
+ my $current_figure = $image->Read($src);
+ my $width_param = $image->Get('width') * $scaling;;
+ my $height_param = $image->Get('height') * $scaling;;
+ undef $image;
+ #do we have any specified LaTeX size of the picture?
+ my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval);
+ my $TeXheight = &Apache::lonxml::get_param('TeXheight',$parstack,$safeeval);
+ #do we have any specified web size of the picture?
+ my $width = &Apache::lonxml::get_param('width',$parstack,$safeeval,
+ undef,1);
+ if ($TeXwidth ne '') {
+ if ($TeXwidth=~/(\d+)\s*\%/) {
+ $width_param = $1*$ENV{'form.textwidth'}/100;
+ } else {
+ $width_param = $TeXwidth;
+ }
+ } elsif ($TeXheight ne '') {
+ $width_param = $TeXheight/$height_param*$width_param;
+ } elsif ($width ne '') {
+ $width_param = $width*$scaling;
+ }
+ if ($width_param > $ENV{'form.textwidth'}) {$width_param =0.95*$ENV{'form.textwidth'}}
+ return $width_param;
+}
+
+sub eps_generation {
+ my ($src,$file,$width_param) = @_;
+ my $filename = "/home/httpd/prtspool/$ENV{'user.name'}_$ENV{'user.domain'}_printout.dat";
+ my $temp_file = Apache::File->new('>>'.$filename);
+ print $temp_file "$src\n";
+ my $newsrc = $src;
+ $newsrc =~ s/(\.gif|\.jpg|\.jpeg)$/\.eps/i;
+ $newsrc=~s/\/home\/httpd\/html\/res//;
+ $newsrc=~s/\/home\/([^\/]*)\/public_html\//\/$1\//;
+ $newsrc=~s/\/\.\//\//;
+ $newsrc=~s/\/([^\/]+)\.(ps|eps)/\//;
+ return ' \graphicspath{{/home/httpd/prtspool'.$newsrc.'}}\includegraphics[width='.$width_param.' mm]{'.$file.'} ';
+}
+
+sub file_path {
+ my $src=shift;
+ my ($file,$path);
+ if ($src =~ m!(.*)/([^/]*)$!) {
+ $file = $2;
+ $path = $1.'/';
+ }
+ return $file,$path;
+}
+
sub recalc {
my $argument = shift;
if (not $argument=~/(mm|cm|in|pc|pt)/) {return $argument.' mm';}
@@ -3330,5 +3402,26 @@ sub recalc {
return $value.' mm';
}
+sub LATEX_length {
+ my $garbage=shift;
+ $garbage=~s/^\s+(\S.*)/$1/;
+ $garbage=~s/(.*\S)\s+$/$1/;
+ $garbage=~s/(\s)+/$1/;
+ $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;
+ $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$|\$)//g;
+ $garbage=~s/(\\alpha|\\beta|\\gamma|\\delta|\\epsilon|\\verepsilon|\\zeta|\\eta|\\theta|\\vartheta|\\iota|\\kappa|\\lambda|\\mu|\\nu|\\xi|\\pi|\\varpi|\\rho|\\varrho|\\sigma|\\varsigma|\\tau|\\upsilon|\\phi|\\varphi|\\chi|\\psi|\\omega|\\Gamma|\\Delta|\\Theta|\\Lambda|\\Xi|\\Pi|\\Sigma|\\Upsilon|\\Phi|\\Psi|\\Omega)/1/g;
+ $garbage=~s/(\\pm|\\mp|\\times|\\div|\\cdot|\\ast|\\star|\\dagger|\\ddagger|\\amalg|\\cap|\\cup|\\uplus|\\sqcap|\\sqcup|\\vee|\\wedge|\\oplus|\\ominus|\\otimes|\\circ|\\bullet|\\diamond|\\lhd|\\rhd|\\unlhd|\\unrhd|\\oslash|\\odot|\\bigcirc|\\Box|\\Diamond|\\bigtriangleup|\\bigtriangledown|\\triangleleft|\\triangleright|\\setminus|\\wr)/1/g;
+ $garbage=~s/(\\le|\\ll|\\leq|\\ge|\\geq|\\gg|\\neq|\\doreq|\\sim|\\simeq|\\subset|\\subseteq|\\sqsubset|\\sqsubseteq|\\in|\\vdash|\\models|\\supset|\\supseteq|\\sqsupset|\\sqsupseteq|\\ni|\\dash|\\perp|\\approx|\\cong|\\equiv|\\propto|\\prec|\\preceq|\\parallel|\\asymp|\\smile|\\frown|\\bowtie|\\succ|\\succeq|\\mid)/1/g;
+ $garbage=~s/(\\not<|\\\\not\\le|\\not\\prec|\\not\\preceq|\\not\\subset|\\not\\subseteq|\\not\\sqsubseteq|\\not\\in|\\not>|\\not\\ge|\\not\\succ|\\notsucceq|\\not\\supset|\\notsupseteq|\\not\\sqsupseteq|\\notin|\\not=|\\not\\equiv|\\not\\sim|\\not\\simeq|\\not\\approx|\\not\\cong|\\not\\asymp)/1/g;
+ $garbage=~s/(\\leftarrow|\\gets|\\Leftarrow|\\rightarrow|\\to|\\Rightarrow|\\leftrightarrow|\\Leftrightarrow|\\mapsto|\\hookleftarrow|\\leftharpoonup|\\leftkarpoondown|\\rightleftharpoons|\\longleftarrow|\\Longleftarrow|\\longrightarrow|\\Longrightarrow|\\longleftrightarrow|\\Longleftrightarrow|\\longmapsto|\\hookrightarrow|\\rightharpoonup|\\rightharpoondown|\\uparrow|\\Uparrow|\\downarrow|\\Downarrow|\\updownarrow|\\Updownarrow|\\nearrow|\\searrow|\\swarrow|\\nwarrow)/1/g;
+ $garbage=~s/(\\aleph|\\hbar|\\imath|\\jmath|\\ell|\\wp|\\Re|\\Im|\\mho|\\prime|\\emptyset|\\nabla|\\surd|\\partial|\\top|\\bot|\\vdash|\\dashv|\\forall|\\exists|\\neg|\\flat|\\natural|\\sharp|\\\||\\angle|\\backslash|\\Box|\\Diamond|\\triangle|\\clubsuit|\\diamondsuit|\\heartsuit|\\spadesuit|\\Join|\\infty)/ /g;
+ $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
+ my $value=length($garbage);
+ return $value;
+}
+
+
+
+
1;
__END__