--- loncom/xml/londefdef.pm 2012/02/05 22:53:42 1.437
+++ loncom/xml/londefdef.pm 2020/09/10 00:28:48 1.465
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Tags Default Definition Module
#
-# $Id: londefdef.pm,v 1.437 2012/02/05 22:53:42 raeburn Exp $
+# $Id: londefdef.pm,v 1.465 2020/09/10 00:28:48 raeburn Exp $
#
#
# Copyright Michigan State University Board of Trustees
@@ -55,7 +55,7 @@ use LONCAPA();
BEGIN {
- &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
+ &Apache::lonxml::register('Apache::londefdef',('a','abbr','acronym','accessrule','address','allow','applet','area','b','base','basefont','bgo','bgsound','big','blink','blockquote','blankspace','body','br','button','caption','center','cite','code','col','colgroup','dd','del','dfn','dir','div','dl','dt','em','embed','externallink','fieldset','font','form','frame','frameset','h1','h2','h3','h4','h5','h6','head','hr','html','i','iframe','img','input','ins','insert','isindex','kbd','keygen','label','layer','legend','li','link','m','map','marquee','menu','meta','multicol','nobr','noembed','noframes','nolayer','noscript','object','ol','optgroup','option','output','p','param','pre','q','s','samp','select','server','small','spacer','span','strike','strong','style','sub','sup','table','tbody','td','textarea','tfoot','th','thead','title','tr','tt','tthoption','u','ul','var','wbr','hideweboutput'));
}
@@ -92,6 +92,14 @@ sub start_m {
my $inside = &Apache::lonxml::get_all_text_unbalanced("/m",$parser);
if ($target eq 'web' || $target eq 'analyze') {
&Apache::lonxml::debug("M is starting with:$inside:");
+ if (!($inside =~ /^\s*\$.*\$\s*$/ || $inside =~ /^\s*\\[([].*\\[)\]]\s*$/)) {
+ # Non-math LaTeX will not be rendered correctly with MathJax
+ # and it should be avoided anyway.
+ # On top of that, MathJax will render math without $, but
+ # it will fail with tth. This is worth a warning.
+ # (even though some people might just use latex for printing)
+ &Apache::lonxml::warning(&mt('Missing $ in [_1].','<m>'));
+ }
my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval);
if ($eval eq 'on') {
$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]);
@@ -458,6 +466,32 @@ sub insert_meta {
<meta />';
}
+#-- <start> tag
+sub start_style {
+ my ($target, $token, $tagstack, $parstack, $parser, $safeeval, $style) = @_;
+ my $currentstring = '';
+
+ if ($target eq 'tex') {
+ Apache::lonxml::startredirection();
+ } else {
+ $currentstring = $token->[4];
+ }
+
+ return $currentstring;
+}
+
+sub end_style {
+ my ($target, $token, $tagstack, $parstack, $parser, $safeeval) = @_;
+ my $currentstring = '';
+
+ if ($target eq 'tex') {
+ Apache::lonxml::endredirection();
+ } else {
+ $currentstring = $token->[2];
+ }
+ return $currentstring;
+}
+
# accessrule
sub start_accessrule {
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style) = @_;
@@ -546,7 +580,7 @@ sub start_body {
if ($env{'request.state'} eq 'construct') {
my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
&Apache::lonhtmlcommon::add_breadcrumb({
- 'text' => 'Construction Space',
+ 'text' => 'Authoring Space',
'href' => &Apache::loncommon::authorspace($url),
});
&Apache::lonhtmlcommon::add_breadcrumb({
@@ -559,26 +593,34 @@ sub start_body {
# FIXME Where are we?
}
+ my $args = {'add_entries' => $token->[2],
+ 'force_register' => 1,};
+ if ($target eq 'web') {
+ $args->{'print_suppress'} = 1;
+ if ($env{'request.use_absolute'}) {
+ $args->{'use_absolute'} = $env{'request.use_absolute'};
+ }
+ }
$currentstring =
&Apache::loncommon::start_page($Apache::londefdef::title,
$Apache::londefdef::head
- .$extra_head,
- {'add_entries' => $token->[2],
-# 'no_title' => 1,
- 'force_register' => 1});
-
+ .$extra_head,$args);
my $header = '';
if ($env{'request.state'} ne 'published' &&
$env{'request.state'} ne 'construct') {
$header=&Apache::lonmenu::constspaceform();
}
if ($env{'request.state'} ne 'published') {
- $header.=&Apache::londefdef::edit_controls();
+ unless ($env{'form.inhibitmenu'} eq 'yes') {
+ $header.=&edit_controls();
+ }
}
if ($env{'request.state'} eq 'construct') {
- $currentstring.=&Apache::loncommon::head_subbox(
- &Apache::loncommon::CSTR_pageheader()
- .$header);
+ unless ($env{'form.inhibitmenu'} eq 'yes') {
+ $currentstring.=&Apache::loncommon::head_subbox(
+ &Apache::loncommon::CSTR_pageheader()
+ .$header);
+ }
} elsif ($env{'request.state'} eq 'edit') {
$currentstring.=&Apache::loncommon::head_subbox($header);
}
@@ -604,13 +646,46 @@ sub edit_controls {
}
$result .= '
<div><input type="submit" name="editmode" accesskey="e" value="'.&mt('Edit').'" />';
+ if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) {
+ my $uri = $env{'request.uri'};
+ my $daxeurl = '/daxepage'.$uri;
+ $result .= '<input type="button" value="'.&mt('Edit with Daxe').'" '.
+ 'onclick="window.open(\''.$daxeurl.'\',\'_blank\');" />';
+ }
if (($env{'request.course.id'}) && ($env{'form.forceedit'})) {
- my $viewtext = &mt('Course View');
- if (&Apache::loncommon::course_type() eq 'Community') {
- $viewtext = &mt('Community View');
+ my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'});
+ if ($url =~ /\.html?$/i) {
+ my ($cdom,$cnum);
+ if ($env{'request.course.id'}) {
+ $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ if ($env{'request.filename'} =~ m{/userfiles/supplemental/default|\d+/}) {
+ if (&Apache::lonnet::is_course_upload($env{'request.filename'},
+ $cnum,$cdom)) {
+ &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
+ ['folderpath','title']);
+ }
+ }
+ }
+ my ($symb,$itemtitle,$displayfile,$caller);
+ if ($url =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/}) {
+ $itemtitle = &mt('Syllabus');
+ $caller = "/public/$cdom/$cnum/syllabus";
+ } else {
+ $caller = $url;
+ ($symb,$itemtitle,$displayfile) =
+ &Apache::lonxml::get_courseupload_hierarchy($url,
+ $env{'form.folderpath'},
+ $env{'form.title'});
+ }
+ if (($symb ne '') || ($env{'httpref.'.$url} ne '') ||
+ ($url =~ m{^/uploaded/$cdom/$cnum/portfolio/syllabus/})) {
+ $result .= (' ' x 3).
+ &Apache::lonhtmlcommon::dependencies_button()."\n".
+ &Apache::lonhtmlcommon::dependencycheck_js($symb,
+ $itemtitle,$url,$env{'form.folderpath'},$caller)."\n";
+ }
}
- $result .= (' ' x 3).'<input type="button" value="'.
- $viewtext.'" onclick="javascript:location.href=currentURL" />';
}
$result .= '</div>
</div>
@@ -751,7 +826,7 @@ sub end_h1 {
$currentstring .= $token->[2];
} elsif ($target eq 'tex') {
my $post='\vskip 0 mm ';
- 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') {
$post='\end{center}';
} elsif ($align eq 'left') {
@@ -1230,6 +1305,10 @@ sub start_p {
$currentstring .= &end_p(); # close off prior para if in progress.
my $align=&Apache::lonxml::get_param('align',$parstack,$safeeval,undef,1);
+ if (!defined $align) {
+ # check inline CSS
+ $align = &get_css_property('text-align',$parstack,$safeeval);
+ }
if ($align eq 'center') {
$currentstring .='\begin{center}\par ';
$closing_string = '\end{center}';
@@ -1237,13 +1316,13 @@ sub start_p {
$currentstring = ¢er_correction().$currentstring;
}
} elsif ($align eq 'right') {
- $currentstring.="\n".'{\flushright ';
+ $currentstring.="\n".'\begin{flushright}';
# $currentstring.='\makebox['.$env{'form.textwidth'}.']{\hfill\llap{';
- $closing_string= "}\n";
+ $closing_string= '\end{flushright}'."\n";
} elsif ($align eq 'left') {
- $currentstring.= "\n".'{\flushleft ';
+ $currentstring.= "\n".'\begin{flushleft}';
# $currentstring.='\noindent\makebox['.$env{'form.textwidth'}.']{{';
- $closing_string = "}\n";
+ $closing_string = '\end{flushleft}'."\n";
} else {
$currentstring.='\par ';
if (&is_inside_of($tagstack, 'table')) {
@@ -1671,6 +1750,15 @@ sub start_a {
if (!&Apache::lonnet::allowed('bre',$linkurl)) {
if (&Apache::lonnet::is_on_map($url)) {
&Apache::lonxml::extlink($linkurl);
+ } elsif ($env{'request.course.id'}) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ if ($linkurl =~ m{^([^/]|/uploaded/$cdom/$cnum/(docs|supplemental)/)}) {
+ my $cleanhref = &clean_docs_httpref($linkurl,$url,$cdom,$cnum);
+ if ($cleanhref) {
+ &Apache::lonxml::extlink($cleanhref);
+ }
+ }
}
}
}
@@ -1993,8 +2081,8 @@ sub end_dt {
sub item_cleanup {
my $item=&Apache::lonxml::endredirection();
- $item=~s/\\begin{center}//g;
- $item=~s/\\end{center}//g;
+ $item=~s/\\begin\{center}//g;
+ $item=~s/\\end\{center}//g;
return $item;
}
@@ -2683,7 +2771,9 @@ sub start_img {
my $inside = &Apache::lonxml::get_all_text("/img",$parser,$style);
return '';
}
- &Apache::lonxml::extlink($src);
+ unless ($src =~ m{^data\:image/gif;base64,}) {
+ &Apache::lonxml::extlink($src);
+ }
my $currentstring = '';
my $scaling = .3;
@@ -2693,8 +2783,10 @@ sub start_img {
my $enc = ('yes' eq
lc(&Apache::lonxml::get_param('encrypturl',$parstack,
$safeeval)));
- $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src},
- $enc);
+ unless ($src =~ m{^data\:image/gif;base64,}) {
+ $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src},
+ $enc);
+ }
# and render unto TeX that which is LaTeX
} elsif ($target eq 'tex') {
@@ -2737,7 +2829,7 @@ sub start_img {
# &Apache::lonxml::debug("LaTeX rendering = $latex_rendering image file: $src");
- #if original bmp/gif/jpg/png file exist do following:
+ #if original bmp/gif/jpg/png/svg file exist do following:
my $origsrc=$src;
my ($path,$file) = &get_eps_image($src);
# &Apache::lonnet::logthis("Image source: $src result: $path $file");
@@ -2784,8 +2876,8 @@ sub start_img {
my $only = join(',',&Apache::loncommon::filecategorytypes('Pictures'));
$currentstring .=&Apache::edit::tag_start($target,$token);
$currentstring .=&Apache::edit::text_arg('Image Url:','src',$token,70).
- &Apache::edit::browse('src',undef,'alt',$only).' '.
- &Apache::edit::search('src',undef,'alt').'<br />';
+ &Apache::edit::browse_or_search('src',undef,'alt',$only,undef,1).
+ '<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 />';
@@ -2807,17 +2899,19 @@ sub start_img {
my $src= &Apache::lonxml::get_param('src',$parstack,$safeeval);
my $width= &Apache::lonxml::get_param('width',$parstack,$safeeval);
my $height= &Apache::lonxml::get_param('height',$parstack,$safeeval);
-
+ my $element = &Apache::edit::get_element('src');
+ my $text;
if ($token->[2]{'src'}=~/\$/) {
- $currentstring.=&mt('Variable image source');
+ $text = &mt('Variable image source');
} elsif ($token->[2]{'src'}=~/\S/) {
$currentstring .= '<img src="'.$src.'" alt="'.$alt.'" ';
if ($width) { $currentstring.=' width="'.$width.'" '; }
if ($height) { $currentstring.=' height="'.$height.'" '; }
- $currentstring .= ' />';
+ $currentstring .= ' id="previewimg_'.$element.'" />';
} else {
- $currentstring.=&mt("No image source specified");
+ $text = &mt("No image source specified");
}
+ $currentstring .= ' <span id="showimg_'.$element.'">'.$text.'</span>';
} elsif ($target eq 'modified') {
my ($osrc,$owidth,$oheight)=
($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'});
@@ -3376,7 +3470,7 @@ sub start_caption {
my $currentstring = '';
if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
- }
+ }
return $currentstring;
}
@@ -3384,7 +3478,7 @@ sub end_caption {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web' || $target eq 'webgrade') {
- $currentstring = $token->[2];
+ $currentstring = $token->[2];
}
return $currentstring;
}
@@ -3517,8 +3611,68 @@ sub start_iframe {
my ($target,$token) = @_;
my $currentstring = '';
if ($target eq 'web' || $target eq 'webgrade') {
- $currentstring = $token->[4];
- }
+ my ($src,$url,$query);
+ if ($token->[2]->{'src'}) {
+ $src = $token->[2]->{'src'};
+ } elsif ($token->[2]->{'SRC'}) {
+ $src = $token->[2]->{'SRC'};
+ }
+ if ($src) {
+ ($url,$query) = ($src =~ /^([^?]+)\??([^?]*)$/);
+ if ($query =~ /inhibitmenu=yes/) {
+ $currentstring = $token->[4];
+ } else {
+ my $inhibit;
+ if ($url =~ m{^[^/.].*\.x?html?$}) {
+ $inhibit = 1;
+ } elsif ($url =~ m{^/(uploaded|res)/.*\.x?html?$}) {
+ $inhibit = 1;
+ }
+ if ($inhibit) {
+ $currentstring = '<iframe ';
+ foreach my $attrib (@{$token->[3]}) {
+ if (lc($attrib) eq 'src') {
+ if ($query) {
+ $query.='&inhibitmenu=yes';
+ } else {
+ $query = 'inhibitmenu=yes';
+ }
+ $currentstring .= 'src="'.$url.'?'.$query.'" ';
+ } else {
+ $currentstring .= lc($attrib).'="'.$token->[2]->{$attrib}.'" ';
+ }
+ }
+ $currentstring =~ s/\s+$//;
+ if ($token->[4] =~ m{/>$}) {
+ $currentstring .= ' />';
+ } else {
+ $currentstring .= '>';
+ }
+ } else {
+ $currentstring = $token->[4];
+ }
+ }
+ if (($url !~ m{^https?://}) && ($env{'request.course.id'})) {
+ my $docuri = &Apache::lonnet::hreflocation('',$env{'request.filename'});
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ if ($url =~ m{^([^/]|/uploaded/)}) {
+ my $cleanhref = &clean_docs_httpref($url,$docuri,$cdom,$cnum);
+ if ($cleanhref) {
+ &Apache::lonxml::extlink($cleanhref);
+ }
+ } elsif (($url =~ m{/res/$LONCAPA::domain_re/}) && ($docuri =~ m{^\Q/uploaded/$cdom/$cnum/docs/\E})) {
+ if (!&Apache::lonnet::allowed('bre',$url)) {
+ if (&Apache::lonnet::is_on_map($url)) {
+ &Apache::lonxml::extlink($url);
+ }
+ }
+ }
+ }
+ } else {
+ $currentstring = $token->[4];
+ }
+ }
return $currentstring;
}
@@ -3903,13 +4057,33 @@ sub end_spacer {
return $currentstring;
}
+my @span_end_stack; # for span tex target
+
#-- <span> tag (end tag required)
sub start_span {
- my ($target,$token) = @_;
+ my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_;
my $currentstring = '';
if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[4];
- }
+ } elsif ($target eq 'tex') {
+ my $endstring = '';
+ my $family = &get_css_property('font-family',$parstack,$safeeval);
+ if ($family eq 'monospace') {
+ $currentstring .= '\texttt{';
+ $endstring .= '}';
+ }
+ my $weight = &get_css_property('font-weight',$parstack,$safeeval);
+ if ($weight eq 'bold') {
+ $currentstring .= '\textbf{';
+ $endstring .= '}';
+ }
+ my $style = &get_css_property('font-style',$parstack,$safeeval);
+ if ($style eq 'italic') {
+ $currentstring .= '\textit{';
+ $endstring .= '}';
+ }
+ push(@span_end_stack, $endstring);
+ }
return $currentstring;
}
@@ -3918,7 +4092,10 @@ sub end_span {
my $currentstring = '';
if ($target eq 'web' || $target eq 'webgrade') {
$currentstring = $token->[2];
- }
+ } elsif ($target eq 'tex') {
+ my $endstring = pop @span_end_stack;
+ $currentstring .= $endstring;
+ }
return $currentstring;
}
@@ -4191,8 +4368,8 @@ sub get_eps_image {
&Apache::lonnet::repcopy($orig_src); # Failure is not completely fatal.
}
&Apache::lonxml::debug("get_eps_image: Original image: $orig_src");
- my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg)/i);
- $src=~s/\.(bmp|gif|png|jpg|jpeg)$/\.eps/i;
+ my ($spath, $sname, $sext) = &fileparse($src, qr/\.(bmp|gif|png|jpg|jpeg|svg)/i);
+ $src=~s/\.(bmp|gif|png|jpg|jpeg|svg)$/\.eps/i;
$src=&Apache::lonnet::filelocation($Apache::lonxml::pwd[-1],$src);
&Apache::lonxml::debug("Filelocation gives: $src");
if (! -e $src) {
@@ -4306,17 +4483,17 @@ sub LATEX_length {
$garbage=~s/^\s+(\S.*)/$1/;#space before
$garbage=~s/(.*\S)\s+$/$1/;#space after
$garbage=~s/(\s)+/$1/;#only one space
- $garbage=~s/(\\begin{([^\}]+)}|\\end{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
- $garbage=~s/(\$\_\{|\$\_|\$\^{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
+ $garbage=~s/(\\begin\{([^\}]+)}|\\end\{([^\}]+)})//g;#remove LaTeX \begin{...} and \end{...}
+ $garbage=~s/(\$\_\{|\$\_|\$\^\{|\$\^|\}\$)//g;#remove $_{,$_,$^{,$^,}$
$garbage=~s/([^\\])\$/$1/g;#$
- $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
+ $garbage=~s/(\\ensuremath\{\_\{|\\ensuremath\{\_|\\ensuremath\{\^\{|\\ensuremath\{\^|\})//g;#remove \ensuremath{...}
$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)/11/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)/11/g;
- $garbage=~s/(\\hat{([^}]+)}|\\check{([^}]+)}|\\dot{([^}]+)}|\\breve{([^}]+)}|\\acute{([^}]+)}|\\ddot{([^}]+)}|\\grave{([^}]+)}|\\tilde{([^}]+)}|\\mathring{([^}]+)}|\\bar{([^}]+)}|\\vec{([^}]+)})/$1/g;
+ $garbage=~s/(\\hat\{([^}]+)}|\\check\{([^}]+)}|\\dot\{([^}]+)}|\\breve\{([^}]+)}|\\acute\{([^}]+)}|\\ddot\{([^}]+)}|\\grave\{([^}]+)}|\\tilde\{([^}]+)}|\\mathring\{([^}]+)}|\\bar\{([^}]+)}|\\vec\{([^}]+)})/$1/g;
#remove some other LaTeX command
$garbage=~s|\\(\w+)\\|\\|g;
$garbage=~s|\\(\w+)(\s*)|$2|g;
@@ -4418,40 +4595,34 @@ sub latex_header {
($mode eq 'batchmode')) {$currentstring .='\batchmode';}
$currentstring .= '\newcommand{\keephidden}[1]{}'.
'\renewcommand{\deg}{$^{\circ}$}'.
- '\usepackage{multirow}'.
- '\usepackage{longtable}'.
- '\usepackage{textcomp}'.
- '\usepackage{makeidx}'.
- '\usepackage[dvips]{graphicx}'.
- '\usepackage{wrapfig}'.
- '\usepackage{picins}'.
+ '\usepackage{multirow}'."\n".
+ '\usepackage{longtable}'."\n".
+ '\usepackage{textcomp}'."\n".
+ '\usepackage{makeidx}'."\n".
+ '\usepackage[dvips]{graphicx}'."\n".
+ '\usepackage{wrapfig}'."\n".
+ '\usepackage{picins}'."\n".
'\usepackage[T1]{fontenc}'."\n".
'\usepackage{lmodern}'."\n".
'\usepackage[postscript]{ucs}'."\n".
'\usepackage[utf8x]{inputenc}'."\n".
- '\usepackage{pifont}' ."\n".
+ '\usepackage{pifont}'."\n".
'\usepackage{latexsym}'."\n".
- '\usepackage{epsfig}'.
- "\\usepackage{xtab}\n".
- "\\usepackage{tabularx}\n".
- "\\usepackage{booktabs}\n".
- "\\usepackage{array}\n".
- "\\usepackage{colortbl}\n".
- "\\usepackage{xcolor}\n".
- '\usepackage{calc}'.
- '\usepackage{amsmath}'.
- '\usepackage{soul}',
- '\usepackage{amssymb}'.
- '\usepackage{amsfonts}'.
- '\usepackage{amsthm}'.
- '\usepackage{amscd}'
- .'\usepackage{picins}\usepackage{calc}'."\n". # From lonprintout.pm
- '\usepackage[T1]{fontenc}'."\n".
- '\usepackage{lmodern}'."\n".
- '\usepackage[postscript]{ucs}'."\n".
- '\usepackage[utf8x]{inputenc}'."\n".
- '\usepackage{pifont}' . "\n";
-
+ '\usepackage{epsfig}'."\n".
+ '\usepackage{xtab}'."\n".
+ '\usepackage{tabularx}'."\n".
+ '\usepackage{booktabs}'."\n".
+ '\usepackage{array}'."\n".
+ '\usepackage{colortbl}'."\n".
+ '\usepackage{xcolor}'."\n".
+ '\usepackage{calc}'."\n".
+ '\usepackage{amsmath}'."\n".
+ '\usepackage{soul}'."\n".
+ '\usepackage{amssymb}'."\n".
+ '\usepackage{amsfonts}'."\n".
+ '\usepackage{amsthm}'."\n".
+ '\usepackage{amscd}'."\n".
+ '\usepackage{actuarialangle}'."\n";
if($env{'form.pdfFormFields'} eq 'yes') {
$currentstring .= '\usepackage{hyperref}'.
'\usepackage{eforms}'.
@@ -4466,6 +4637,79 @@ sub latex_header {
}
+sub clean_docs_httpref {
+ my ($href,$docuri,$cdom,$cnum) = @_;
+ if ($docuri eq '') {
+ $docuri = &Apache::lonnet::hreflocation('',$env{'request.filename'});
+ }
+ if ($cdom eq '') {
+ $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ }
+ if ($cnum eq '') {
+ $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ }
+ my $cleanhref;
+ if ($docuri =~ m{^(\Q/uploaded/$cdom/$cnum/\E(?:docs|supplemental)/)(.+/)[^/]+$}) {
+ my $prefix = $1;
+ my $relpath = $2;
+ my ($hrefpath,$fname);
+ if ($href =~ m{^/}) {
+ if ($href =~ m{^\Q$prefix\E(.+/)([^/]+)$}) {
+ $hrefpath = $1;
+ $fname = $2;
+ } else {
+ return $cleanhref;
+ }
+ } else {
+ if ($href =~ m{/}) {
+ (my $path,$fname) = ($href =~ m{^(.*)/([^/]*)$});
+ $hrefpath = $relpath.$path;
+ if ($path eq '') {
+ $hrefpath =~ s{/$}{};
+ }
+ } else {
+ $fname = $href;
+ $hrefpath = $relpath;
+ $hrefpath =~ s{/$}{};
+ }
+ }
+ if ($fname ne '') {
+ my $cleanrelpath;
+ foreach my $dir (split(/\//,$hrefpath)) {
+ next if ($dir eq '.');
+ if ($dir eq '..') {
+ $cleanrelpath =~ s{([^/]+/)$}{};
+ } else {
+ $cleanrelpath .= $dir.'/';
+ }
+ }
+ if ($cleanrelpath ne '') {
+ $cleanhref = $prefix.$cleanrelpath.$fname;
+ } else {
+ $cleanhref = $prefix.$fname;
+ }
+ }
+ }
+ return $cleanhref;
+}
+
+# This is retrieving a CSS property from the style attribute of the current element.
+# It is not checking <style> elements or linked stylesheets yet.
+sub get_css_property {
+ my ($property,$parstack,$safeeval) = @_;
+ my $style=&Apache::lonxml::get_param('style',$parstack,$safeeval,undef,1);
+ my @style_components=split(/;/,$style);
+ foreach my $css_pair (@style_components) {
+ my ($name, $value) = split(/:/, $css_pair);
+ $name =~ s/^\s+|\s+$//g;
+ $value =~ s/^\s+|\s+$//g;
+ if ($name eq $property) {
+ return $value;
+ }
+ }
+ return undef;
+}
+
=pod
=head1 NAME
@@ -4560,7 +4804,23 @@ described at http://www.lon-capa.org.
I'm in a table....
}
-
+=item clean_docs_httpref($href,$docuri,$cdom,$cnum)
+ HTML pages uploaded to a course which contain dependencies either from iframes,
+ javascript files or objects (FlashPlayerSwf, MediaSrc, XMPSrc, ConfigurationSrc,
+ and PosterImageSrc) for which dependency is another file uploaded to the same
+ course.
+
+ Required input:
+ href - dependency (either a relative URL, or an absolute URL)
+ Optional inputs:
+ docuri - URL of HTML page containing the dependency
+ cdom - Course domain
+ cnum - CourseID
+
+ Output:
+ returns an absolute URL constructed from the href provided, and the calling context.
+ (this will be null, if the URL does not begin: /uploaded/$cdom/$cnum/docs/ or
+ /uploaded/$cdom/$cnum/supplemental/).
=back