--- loncom/xml/londefdef.pm 2009/05/26 14:06:23 1.406 +++ loncom/xml/londefdef.pm 2016/07/01 19:59:25 1.459 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # Tags Default Definition Module # -# $Id: londefdef.pm,v 1.406 2009/05/26 14:06:23 bisitz Exp $ +# $Id: londefdef.pm,v 1.459 2016/07/01 19:59:25 raeburn Exp $ # # # Copyright Michigan State University Board of Trustees @@ -43,11 +43,11 @@ use Apache::lonnet; use strict; use Apache::lonxml; use Apache::lontable; -use Apache::File(); use Image::Magick; use Apache::lonmenu(); use Apache::lonmeta(); use Apache::lonlocal; +use Apache::loncommon(); use Apache::Constants qw(:common); use File::Basename; use LONCAPA(); @@ -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 <m>.")); + } my $eval=&Apache::lonxml::get_param('eval',$parstack,$safeeval); if ($eval eq 'on') { $inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); @@ -383,6 +391,9 @@ sub start_meta { } else { $currentstring = $token->[4]; } + if ($env{'form.grade_imsexport'}) { + $currentstring = ''; + } } elsif ($target eq 'meta') { unless (&Apache::lonxml::get_param ('http-equiv',$parstack,$safeeval,undef,1)) { @@ -455,6 +466,32 @@ sub insert_meta { '; } +#-- 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) = @_; @@ -540,42 +577,65 @@ sub start_body { # Breadcrumbs &Apache::lonhtmlcommon::clear_breadcrumbs(); - &Apache::lonhtmlcommon::add_breadcrumb({ - 'text' => 'Construction Space', - 'href' => '', # FIXME Add link to /priv/[user] - }); - &Apache::lonhtmlcommon::add_breadcrumb({ - 'text' => 'HTML Editor', - 'href' => '', - }); + if ($env{'request.state'} eq 'construct') { + my $url=&Apache::lonnet::hreflocation('',$env{'request.filename'}); + &Apache::lonhtmlcommon::add_breadcrumb({ + 'text' => 'Authoring Space', + 'href' => &Apache::loncommon::authorspace($url), + }); + &Apache::lonhtmlcommon::add_breadcrumb({ + 'text' => 'HTML Editor', + 'href' => '', + }); + # breadcrumbs (and tools) will be created + # in start_page->bodytag->innerregister + } else { + # 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}); - - $currentstring .= &Apache::lonhtmlcommon::breadcrumbs() - .&Apache::loncommon::head_subbox( - &Apache::loncommon::CSTR_pageheader()); - - if ($env{'request.state'} ne 'published') { - $currentstring.=&Apache::lonmenu::constspaceform(); - $currentstring.=&Apache::londefdef::edit_controls(); - } - $currentstring.=&Apache::lonxml::message_location(); + .$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') { + unless ($env{'form.inhibitmenu'} eq 'yes') { + $header.=&edit_controls(); + } + } + if ($env{'request.state'} eq 'construct') { + 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); + } + $currentstring.=&Apache::lonxml::message_location(); } elsif ($target eq 'tex') { - $currentstring = ''; # '\begin{document}' is in header. - } + $currentstring = ''; # '\begin{document}' is in header. + } + return $currentstring; } sub edit_controls { my ($nochgview) = @_; my $result .= ' -
+
'; unless ($nochgview) { $result .= ' @@ -585,9 +645,52 @@ sub edit_controls {
'; } $result .= ' -
+
'; + if ($env{'browser.type'} ne 'explorer' || $env{'browser.version'} > 9) { + my $uri = $env{'request.uri'}; + my $daxeurl = '/daxepage'.$uri; + $result .= ''; + } + if (($env{'request.course.id'}) && ($env{'form.forceedit'})) { + 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 .= '
+
-
'; +'; return $result; } @@ -1643,6 +1746,15 @@ sub start_a { if (!&Apache::lonnet::allowed('bre',$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($cleanhref); + } + } } } } @@ -2020,38 +2132,53 @@ sub start_table { } elsif ($target eq 'tex') { &disable_para(); # Can't have paras in a table. - - # New table code: - # Get the parameters that we can do something about: my $border = &Apache::lonxml::get_param('border', $parstack, $safeeval, undef, 0); my $width = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval, undef, 0); my $theme = &Apache::lonxml::get_param('TeXtheme', $parstack, $safeeval, undef, 0); my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 0); + my $cell_border = &Apache::lonxml::get_param('rules', $parstack, $safeeval, undef, 0); # The only thing that needs any figuring out is the width.. and then only if it is # a percent. If not it's assumed to be some valid TeX measurement unit e.g. 3.0cm # my $table = new Apache::lontable(); - if ($border ne '') { + if ((defined $border) && ($border > 0)) { + # &Apache::lonnet::logthis("Turning on table borders: $border"); $table->table_border(1); - $table->cell_border(1); + if (!defined $cell_border) { + $table->cell_border(1); # Default for rules is all if rules not defined. + } } - if ($theme ne '') { + + if ((defined $cell_border)) { + if ($cell_border eq 'all') { + $table->cell_border(1); + } elsif ($cell_border eq 'rows') { + $table->cell_border(2); + } elsif ($cell_border eq 'cols') { + $table->cell_border(3); + } elsif($cell_border eq 'groups') { + $table->cell_border(4); + } else { + $table->cell_border(0); + } + } + if (defined $theme) { $table->theme($theme); } - if ($align ne '') { + if (defined $align) { $table->alignment($align); } # Missing width is most of page width - if ($width eq "") { + if (!(defined $width)) { $width = '70%'; } - + # If a percentage, need to calculate what this means in terms of # page width: @@ -2066,88 +2193,6 @@ sub start_table { push(@Apache::londefdef::table, $table); $currentstring.=' \keephidden{NEW TABLE ENTRY}'; - #-------------------------------------------------------- - # Old table code here. - #-------------------------------------------------------- - - - if (0) { - push(@Apache::londefdef::table, {}); - $Apache::londefdef::table[-1]{'row_number'} = -1; - #maximum table's width (default coincides with text line length) - if ($#Apache::londefdef::table==0) { - $textwidth=&recalc($env{'form.textwidth'}); #result is always in mm - $textwidth=~/(\d+\.?\d*)/; - $textwidth=0.85*$1; #accounts "internal" LaTeX space for table frame - } else { - if ($Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]=~/\d/) { - #the maximum width of nested table is determined by LATeX width of parent cell - $textwidth=$Apache::londefdef::table[-2]{'TeXlen'}[$Apache::londefdef::table[-2]{'row_number'}][$Apache::londefdef::table[-2]{'counter_columns'}]; - } else { - #try to use all space not used before (minus 5% for LaTeX table internal) - rather silly - $textwidth=$Apache::londefdef::table[-2]{'width'}; - for (my $i=0;$i<$Apache::londefdef::table[-2]{'counter_columns'};$i++) { - $textwidth=$textwidth-$Apache::londefdef::table[-2]{'TeXlen'}[0][$i]; - } - } - } - - # width either comes forced from the TeXwidth or the width parameters. - # in either case it can be a percentage or absolute width. - # in the width case we ignore absolute width - my $TeXwidth = &Apache::lonxml::get_param('TeXwidth',$parstack,$safeeval,undef,0); - if (!defined($TeXwidth)) { - my $htmlwidth = &Apache::lonxml::get_param('width',$parstack, - $safeeval,undef,1); - if ($htmlwidth =~ /%/) { - $TeXwidth = $htmlwidth; - } else { - $TeXwidth = $textwidth; - } - } - # if the width is specified as a % it is converted to an absolute width. - # otherwise.. just plugged right in the hash - - if ($TeXwidth=~/%/) { - $TeXwidth=~/(\d+)/; - $Apache::londefdef::table[-1]{'width'}=$1*$textwidth/100; - } else { - $Apache::londefdef::table[-1]{'width'}=$TeXwidth; - } - # In the end, however the table width cannot be wider than $textwidth... - - if ($Apache::londefdef::table[-1]{'width'} > $textwidth) { - $Apache::londefdef::table[-1]{'width'} = $textwidth; - } - #table's border - my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval); - my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0); - unless (defined $border) { $border = 0; } - if ($border) { - $Apache::londefdef::table[-1]{'hinc'} = '\hline '; - $Apache::londefdef::table[-1]{'vinc'} = '&'; - $Apache::londefdef::table[-1]{'vvinc'} = '|'; - } else { - $Apache::londefdef::table[-1]{'hinc'} = ''; - $Apache::londefdef::table[-1]{'vinc'} = '&'; - $Apache::londefdef::table[-1]{'vvinc'} = ''; - } - if ($#Apache::londefdef::table==0) { - # Note that \newline seems to destroy the alignment envs. - # $Apache::londefdef::table[-1]{'output'}='\strut\newline\strut\setlength{\tabcolsep}{1 mm}'; - $Apache::londefdef::table[-1]{'output'}='\strut'.'\\\\'."\n".'\strut\setlength{\tabcolsep}{1 mm}'; - } - $Apache::londefdef::table[-1]{'output'}.=' \noindent \begin{tabular} '; - $Apache::londefdef::table[-1]{'TeXlen'}=[]; - $Apache::londefdef::table[-1]{'objectlen'}=[]; - $Apache::londefdef::table[-1]{'objectsignal'}=[]; - $Apache::londefdef::table[-1]{'maxlen'}=[]; - $Apache::londefdef::table[-1]{'minlen'}=[]; - $Apache::londefdef::table[-1]{'content'}=[]; - $Apache::londefdef::table[-1]{'align'}=[]; - $currentstring.=' \keephidden{NEW TABLE ENTRY}'; - } - } return $currentstring; } @@ -2158,435 +2203,15 @@ sub end_table { if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[2]; } elsif ($target eq 'tex') { - - - # New table code: - + + my $table = pop(@Apache::londefdef::table); my $t = $table->generate(); + # &Apache::lonnet::logthis("Generating string"); $currentstring = $t->generate_string(); + # &Apache::lonnet::logthis("Generated: $currentstring"); &enable_para(); - #-------------------------------------------------------------- - # Old table code: - #-------------------------------------------------------------- - - if (0) { - - my $border = &Apache::lonxml::get_param('border',$parstack,$safeeval); - my $inmemory = ''; - my $output = ''; - my $WARNING=''; - #width of columns from TeXwidth attributes - - # Protect against unbalanced tag. - - if (scalar(@Apache::londefdef::table) > 0) { - - for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { - for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) { - if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]<$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]) { - $Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]=$Apache::londefdef::table[-1]{'TeXlen'}[$in][$jn]; - } - } - } - #free space and number of empty columns - my ($available_space,$empty_columns)=($Apache::londefdef::table[-1]{'width'},0); - if ($#Apache::londefdef::table ne 0) {$available_space=0.9*$available_space;} - for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) { - if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]==0) { - $empty_columns++; - } else { - $available_space=$available_space-$Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]; - } - } - - #boundaries for contents columns - my @min_len=();#columns can not be narrower - my @max_len=();#maximum length of column - my $avg_max; - my $avg_min; - my $counter_cols = $Apache::londefdef::table[-1]{'counter_columns'}; - for (my $jn=0;$jn<=$counter_cols; $jn++) { - my ($localmin,$localmax)=(0,0); - for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { - if ($localmin<$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]) { - $localmin=$Apache::londefdef::table[-1]{'minlen'}[$in][$jn]; - } - if ($localmax<$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn]) { - $localmax=$Apache::londefdef::table[-1]{'maxlen'}[$in][$jn]; - } - } - push @min_len, $localmin; - push @max_len, $localmax; - $avg_max = $localmax + $avg_max; - $avg_min = $localmin + $avg_min; - } - # Does not really matter what the average max/min are if there are no cols. - # and this prevents div 0 in that case. - - if ($counter_cols != 0) { - $avg_max = $avg_max/$counter_cols; - $avg_min = $avg_min/$counter_cols; - } - - - # I don't think the below is needed.. but just in case: - - if ($avg_min > $avg_max) { - my $temp = $avg_min; - $avg_min = $avg_max; - $avg_max = $temp; - } - - - for (my $jn=0;$jn<=$counter_cols;$jn++) { - my $localmin=0,; - for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { - if ($localmin<$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]) { - $localmin=$Apache::londefdef::table[-1]{'objectlen'}[$in][$jn]; - } - } - if ($max_len[$jn]<$localmin) { - $max_len[$jn]=$localmin; - $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1; - }#object size is bigger - if ($min_len[$jn]<$localmin) { - $min_len[$jn]=$localmin; - $Apache::londefdef::table[-1]{'objectsignal'}[$jn]=1; - }#object size is bigger - if ($Apache::londefdef::table[-1]{'TeXlen'}[0][$jn]!=0) { - $min_len[$jn]=0; - $max_len[$jn]=0; - } - # Spans seem to be really bothered by max/min = 0. So if we have one - # make it an average joe max/min. - - if ($max_len[$jn] == 0) { - $max_len[$jn] = $avg_max; - } - if ($min_len[$jn] == 0) { - $min_len[$jn] = $avg_min; - } - - } - #final adjustment of column width - my @fwidth=@{$Apache::londefdef::table[-1]{'TeXlen'}[0]};#final width array - my @adjust=(); - #step 1. adjustment by maximum value - my $space_needed=0; - for (my $jn=0;$jn<=$#max_len;$jn++) { - $space_needed=$space_needed+$max_len[$jn]; - } - if ($space_needed<=$available_space) { - - for (my $jn=0;$jn<=$#max_len;$jn++) { - if ($fwidth[$jn]==0) { - $fwidth[$jn]=$max_len[$jn]; - } - } - } else { - #step 2. adjustment by minimum value (estimation) - $space_needed=0; - for (my $jn=0;$jn<=$#min_len;$jn++) { - $space_needed+=$min_len[$jn]; - } - if ($space_needed>$available_space) { - $WARNING=' \textbf{NOT ENOUGH SPACE FOR TABLE} '; - for (my $jn=0;$jn<=$#max_len;$jn++) { - if ($fwidth[$jn]==0) { - $fwidth[$jn]=$min_len[$jn]; - } - } - #check if we have objects which can be scaled - my $how_many_to_scale=0; - my @to_scale=(); - for (my $jn=0;$jn<=$#max_len;$jn++) { - if ($Apache::londefdef::table[-1]{'objectsignal'}[$jn] eq '1') { - $how_many_to_scale++; - push @to_scale, $jn; - } - } - if ($how_many_to_scale>0) { - my $space_to_adjust=($space_needed-$available_space)/$how_many_to_scale; - foreach my $jn (@to_scale) { - for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { - $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/; - if ($1 ne '') { - my $current_length=&recalc($1); - $current_length=~/(\d+\.?\d*)/; - $current_length=$current_length-$space_to_adjust; - $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/width\s*=\s*(\d+\.?\d*\s*(mm|cm|in|pc|pt)*)/width=$current_length mm/; - } - $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~m/\[(\d+\.?\d*)\s*mm\]/; - if ($1 ne '') { - my $current_length=$1; - $current_length=$current_length-$space_to_adjust; - $Apache::londefdef::table[-1]{'content'}[$in][$jn]=~s/\[(\d+\.?\d*)\s*mm\]/\[$current_length mm\]/; - } - } - $fwidth[$jn]=$fwidth[$jn]-$space_to_adjust; - } - } - } else { - #step 3. adjustment over minimal + corrections - my $enlarge_coef=$available_space/$space_needed; - my $acsessive=0; - for (my $jn=0;$jn<=$#min_len;$jn++) { - $adjust[$jn]=$min_len[$jn]*$enlarge_coef; - if ($adjust[$jn]>$max_len[$jn]) { - $fwidth[$jn]=$max_len[$jn]; - $acsessive=$acsessive+$adjust[$jn]-$max_len[$jn]; - $adjust[$jn]=0; - - } - } - if ($acsessive>0) { - #we have an excess of space and can redistribute it - my $notempty_columns=0; - for (my $jn=0;$jn<=$#min_len;$jn++) { - if ($adjust[$jn]!=0) { - $notempty_columns++; - } - } - my $per_column=$acsessive/$notempty_columns; - for (my $jn=0;$jn<=$#min_len;$jn++) { - if ($adjust[$jn]!=0) { - $adjust[$jn]+=$per_column; - $fwidth[$jn]=$adjust[$jn]; - } - } - } else { - for (my $jn=0;$jn<=$#min_len;$jn++) { - $fwidth[$jn]=$adjust[$jn]; - } - } - } - } - # use all available width or specified width as if not specified, - # the specified width gets defaulted to the available width. - - my $current=0; - for (my $i=0;$i<=$#fwidth;$i++) { - $current+=$fwidth[$i]; - } - if ($current == 0) { - $current = $Apache::londefdef::table[-1]{'width'}; - } - my $coef=$Apache::londefdef::table[-1]{'width'}/$current; - for (my $i=0;$i<=$#fwidth;$i++) { - $fwidth[$i]*=$coef; - } - #removing of empty columns if allowed - my $permission=&Apache::lonxml::get_param('TeXDropEmptyColumns',$parstack,$safeeval,undef,0); - if ($permission eq 'yes') { - my @cleaned_table=(); - my @cleaned_header=(); - my $colind=0; - for (my $jn=0;$jn<=$Apache::londefdef::table[-1]{'counter_columns'};$jn++) { - if ($fwidth[$jn]!=0) { - #we need to copy column - for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { - $cleaned_table[$in][$colind]=$Apache::londefdef::table[-1]{'content'}[$in][$jn]; - $cleaned_header[$colind]=$fwidth[$jn]; - } - $colind++; - } - } - $Apache::londefdef::table[-1]{'content'}=\@cleaned_table; - @fwidth=@cleaned_header; - } - - - #construct header of the table - my $header_of_table = '{'.$Apache::londefdef::table[-1]{'vvinc'}; - for (my $in=0;$in<=$#fwidth;$in++) { - $header_of_table.='p{'.$fwidth[$in].' mm}'.$Apache::londefdef::table[-1]{'vvinc'}; - } - $header_of_table .= '}'; - - #fill the table - for (my $in=0;$in<=$Apache::londefdef::table[-1]{'row_number'};$in++) { - my $have_rowspan = 0; - for (my $jn=0;$jn<=$#fwidth;$jn++) { - - #----------------------------------------------------------- - # I think this order of doing things will ensure that - # single rowspan, columspan and combined row/colspans will - # work correctly. LaTeX is delicate here. - # RF. - - # Start a rowspan if necessary: - - my $primary_col_width = $fwidth[$jn]; # Width of primary column. - my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn]; - my $colspan = $Apache::londefdef::table[-1]{'colspan'}[$in][$jn]; - # - # Do the appropriate magic if this has a colspan - # - - my $border_char = ""; - if ($border) { - $border_char = "|"; - } - my $spanwidth = 0; - if ($colspan > 1) { - for (my $spancol = $jn; $spancol < $jn + $colspan; $spancol++) { - $spanwidth += $fwidth[$spancol]; - } - $output .= '\multicolumn{'. - $colspan - ."}"; - if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { - $output .= '{'.$border_char.'c'.$border_char.'}{'; - } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { - $output .= '{'.$border_char.'r'.$border_char.'}{'; - } - else { - $output .= '{'.$border_char."p{$spanwidth mm}".$border_char.'}{'; - } - - } else { - $spanwidth = $primary_col_width; # If no span width will be just colwidth - } - - # Rowspan... if colspan is 1, and there's an alignment we'll need - # to kick in a multicolumn in order to get the alignment spec. - # this must precede the multirow or LaTex gets quite upset. - # Naturally if colspan > 1 we've already done that above ^ - # - my $multirow_aligned = 0; - if ($rowspan > 1) { - if ($colspan == 1) { - if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { - $output .= '\multicolumn{1}{'.$border_char.'c'.$border_char.'}{'; - $multirow_aligned = 1; - } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { - $output .= '\multicolumn{1}{'.$border_char.'r'.$border_char.'}{'; - $multirow_aligned = 1; - } - } - $have_rowspan++; - if ($multirow_aligned) { - $output .= '\multirow{'.$rowspan.'}[0]{*}{'; - } else { - $output .= '\multirow{'.$rowspan."}[0]{$spanwidth mm}{"; - } - - $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~ - s{^\s*\\par\s*}{}; - $Apache::londefdef::table[-1]{'content'}[$in][$jn] =~ - s{\s*\\vskip\s*0pt\s*$}{}; - - # - # If we did not throw in a multicolumn to align, then add - # an extra { - # so we close correctly without having to keep additional state - # around - # - if (!$multirow_aligned) { - $output .= '{'; - } - } - if (($rowspan eq '^') || ($rowspan eq '_')) { - $have_rowspan++; - } - #-------------------------------------------------------------- - - - # For right and center alignment of single cells. - # we are going to use a multicolumn with a span of 1 to specify alignment. - # - if ($colspan == 1 && $rowspan == 1) { - if ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') { - $output .= '\multicolumn{1}{'.$border_char.'c'.$border_char.'}{'; - } elsif ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r') { - $output .= '\multicolumn{1}{'.$border_char.'r'.$border_char.'}{'; - } - } - - $output.=$Apache::londefdef::table[-1]{'content'}[$in][$jn]; - - if (($colspan == 1 && $rowspan == 1) && - (($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'c') || - ($Apache::londefdef::table[-1]{'align'}[$in][$jn] eq 'r'))) { - $output .= '}'; - } - - # Close off any open multirow: - - if ($rowspan > 1) { - $output .= '}}'; - } - # Close off the colspan... - # - if ($colspan > 1) { - $output .= '}'; - $jn += $colspan-1; # Adjust for number of rows really left. - } - if ($jn!=$#fwidth) {$output.=' '.$Apache::londefdef::table[-1]{'vinc'};} - } - # If have_rowspan > 0, and borders are on, then - # we need to do more than put an \hline at the bottom of row. - # we need to do the appropriate \cline to ensure that - # the spanned rows don't have \hlines through them. - - if (($Apache::londefdef::table[-1]{'hinc'} =~ /\\hline/) && $have_rowspan) { - $output .= ' \\\\ '; - for (my $jn=0; $jn<=$#fwidth;$jn++) { - my $rowspan = $Apache::londefdef::table[-1]{'rowspan'}[$in][$jn]; - if ($rowspan ne "^") { - if (($rowspan <= 1) || ($rowspan eq '_')) { - my $column = $jn+1; - $output .= '\cline{'.$column.'-'.$column.'} '; - } - } - } - - } else { - $output.=' \\\\ '.$Apache::londefdef::table[-1]{'hinc'}.' '; - } - } - # Note that \newline destroys alignment env's produced by e.g.
- # $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut\newline\strut '; - $Apache::londefdef::table[-1]{'output'} .= $header_of_table.$Apache::londefdef::table[-1]{'hinc'}.$output.'\end{tabular}\strut'.'\\\\'."\n".'\strut '; - if ($#Apache::londefdef::table > 0) { - my $inmemory = $Apache::londefdef::table[-1]{'output'}; - # Figure out max/and min width by summing us and then - # apply that to the current column of the table we nest in - # if it's larger than the current width or the current width - # is undefined. - # - my $min_nested_width = 0; - my $max_nested_width = 0; - for (my $col = 0; $col <= $Apache::londefdef::table[-1]{'counter_columns'}; $col++) { - $min_nested_width += $min_len[$col]; - $max_nested_width += $max_len[$col]; - - } - # Fudge in an extra 5 mm for borders etc: - - $min_nested_width += 5; - $max_nested_width += 5; - - my $outer_column = $Apache::londefdef::table[-2]{'counter_columns'}; - my $outer_row = $Apache::londefdef::table[-2]{'row_number'}; - if ($min_nested_width > $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column]) { - $Apache::londefdef::table[-2]{'minlen'}[$outer_row][$outer_column] = $min_nested_width; - } - if ($max_nested_width > $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column]) { - $Apache::londefdef::table[-2]{'maxlen'}[$outer_row][$outer_column] = $max_nested_width; - } - - pop @Apache::londefdef::table; - push @{$Apache::londefdef::table[-1]{'include'}}, $inmemory; - } else { - $currentstring .= $Apache::londefdef::table[-1]{'output'}; - pop @Apache::londefdef::table; - undef @Apache::londefdef::table; - } - } - &enable_para(); - } + } return $currentstring; } @@ -2703,17 +2328,26 @@ sub tag_check { # sub cell_config_hash { - my ($align, $rowspan, $colspan) = @_; + my ($align, $rowspan, $colspan, $width) = @_; + if ($rowspan ne '') { + $rowspan =~ s/^\s+|\s+$//g; + } + if ($colspan ne '') { + $colspan =~ s/^\s+|\s+$//g; + } my %config; if ($align ne '') { $config{'halign'} = $align; } - if ($colspan ne "") { + if (($colspan =~ /^\d+$/) && ($colspan > 0)) { $config{'colspan'} = $colspan; } - if ($rowspan ne '') { + if (($rowspan =~ /^\d+$/) && ($rowspan > 0)) { $config{'rowspan'} = $rowspan; } + if ($width ne '') { + $config{'width'} = $width; + } return \%config; } @@ -2725,11 +2359,11 @@ sub start_td_tex { # attributes, but empty of text. end_td_tex will # fetch the contents from the recursive parse and # fill the cell with them: - my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval, undef, 1); - my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval, undef, 1); - my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval, undef, 1); - - my $config = &cell_config_hash($align, $rowspan, $colspan); + my $align = &Apache::lonxml::get_param('align', $parstack, $safeeval); + my $rowspan = &Apache::lonxml::get_param('rowspan', $parstack, $safeeval); + my $colspan = &Apache::lonxml::get_param('colspan', $parstack, $safeeval); + my $width = &Apache::lonxml::get_param('TeXwidth', $parstack, $safeeval); + my $config = &cell_config_hash($align, $rowspan, $colspan, $width); my $table = $Apache::londefdef::table[-1]; $table->add_cell('', $config); @@ -3133,31 +2767,24 @@ 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 $scaling = .3; # Render unto browsers that which are the browser's... if ($target eq 'web' || $target eq 'webgrade') { - if ($env{'browser.imagesuppress'} ne 'on') { - my $enc = ('yes' eq - lc(&Apache::lonxml::get_param('encrypturl',$parstack, - $safeeval))); - $currentstring.=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}, - $enc); - } else { - my $alttag = &Apache::lonxml::get_param('alt',$parstack,$safeeval, - undef,1); - if (!$alttag) { - $alttag = &Apache::lonmeta::alttag($Apache::lonxml::pwd[-1], - $src); - } - $currentstring.='[IMAGE: '.$alttag.']'; - } - - # and render unto TeX that which is LaTeX + my $enc = ('yes' eq + lc(&Apache::lonxml::get_param('encrypturl',$parstack, + $safeeval))); + unless ($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') { # # The alignment will require some superstructure to be put around @@ -3198,7 +2825,7 @@ 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"); @@ -3245,8 +2872,8 @@ 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',$only).' '. - &Apache::edit::search('src',undef,'alt').'
'; + &Apache::edit::browse_or_search('src',undef,'alt',$only,undef,1). + '
'; $currentstring .=&Apache::edit::text_arg('Description:','alt',$token,70).'
'; $currentstring .=&Apache::edit::text_arg('width (pixel):','width',$token,5); $currentstring .=&Apache::edit::text_arg('height (pixel):','height',$token,5).'
'; @@ -3256,22 +2883,31 @@ sub start_img { ['','bottom','middle','top','left','right'],$token,5); $currentstring .=&Apache::edit::select_arg('TeXwrap:', 'TeXwrap', ['', 'none','parbox', 'parpic', 'wrapfigure'], $token, 2); + my $alt= &Apache::lonxml::get_param('alt',$parstack,$safeeval); + my $enc= &Apache::lonxml::get_param('encrypturl',$parstack,$safeeval); + $currentstring .=&Apache::edit::select_arg('Encrypt URL:','encrypturl', ['no','yes'], $token, 2); + if (($alt=~/\S/) && (lc($enc) eq 'yes')) { + $currentstring.='
'.&mt('Warning: the description "[_1]" will be available, even for encrypted URL',$alt).'
'; + } $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); - + my $element = &Apache::edit::get_element('src'); + my $text; if ($token->[2]{'src'}=~/\$/) { - $currentstring.='Variable image source'; - } else { + $text = &mt('Variable image source'); + } elsif ($token->[2]{'src'}=~/\S/) { $currentstring .= ''.$alt.''; + } else { + $text = &mt("No image source specified"); } + $currentstring .= ' '.$text.''; } elsif ($target eq 'modified') { my ($osrc,$owidth,$oheight)= ($token->[2]{'src'},$token->[2]{'width'},$token->[2]{'height'}); @@ -3339,23 +2975,9 @@ sub start_applet { &Apache::lonxml::extlink($archive); my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { - if ($env{'browser.appletsuppress'} ne 'on') { - $currentstring = &Apache::lonenc::encrypt_ref($token, - {'code'=>$code, - 'archive'=>$archive} - ); - } else { - my $alttag= &Apache::lonxml::get_param('alt',$parstack, - $safeeval,undef,1); - unless ($alttag) { - $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1], - $code); - } - $currentstring='[APPLET: '.$alttag.']'; - } + $currentstring = $token->[4]; } elsif ($target eq 'tex') { - # Turn off some stuff we can't be inside thank you LaTeX - + # Turn off some stuff we can't be inside thank you LaTeX my $restart_sub = 0; my $restart_sup = 0; @@ -3419,16 +3041,7 @@ sub start_embed { &Apache::lonxml::extlink($src); my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { - if ($env{'browser.embedsuppress'} ne 'on') { - $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}); - } else { - my $alttag=&Apache::lonxml::get_param - ('alt',$parstack,$safeeval,undef,1); - unless ($alttag) { - $alttag=&Apache::lonmeta::alttag($Apache::lonxml::pwd[-1],$src); - } - $currentstring='[EMBED: '.$alttag.']'; - } + $currentstring=&Apache::lonenc::encrypt_ref($token,{'src'=>$src}); } elsif ($target eq 'tex') { } return $currentstring; @@ -3438,31 +3051,57 @@ sub end_embed { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { - $currentstring = $token->[2]; - } elsif ($target eq 'tex') { - } + $currentstring = $token->[2]; + } elsif ($target eq 'tex') { + # ./. + } return $currentstring; } #-- tag (end tag forbidden) sub start_param { my ($target,$token,$tagstack,$parstack,$parser,$safeeval) = @_; - if (&Apache::lonxml::get_param('name',$parstack, - $safeeval,undef,1)=~/^cabbase$/i) { + my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval, + undef,1); + if ($name =~/^cabbase$/i) { my $value=&Apache::lonxml::get_param('value',$parstack, $safeeval,undef,1); &Apache::lonxml::extlink($value); - } - + } elsif ($name eq 'flashvars') { + if (lc(&Apache::lonxml::get_param('type',$parstack,$safeeval,-2,1)) + eq 'application/x-shockwave-flash') { + my $launcher = + &Apache::lonxml::get_param('data',$parstack,$safeeval,-2,1); + if ($launcher) { + &Apache::lonxml::extlink($launcher); + } + my $flashvars=&Apache::lonxml::get_param('value',$parstack, + $safeeval,undef,1); + if ($flashvars ne '') { + foreach my $item (split(/\&/,$flashvars)) { + my ($key,$value)=split(/=/,$item,2); + if ($key eq 'content') { + if ($value ne '') { + my ($dir) = ($launcher =~ m{(.+/)[^/]+$}); + &Apache::lonxml::extlink($dir.$value); + } + } elsif ($key eq 'thumb') { + if ($value ne '') { + &Apache::lonxml::extlink($value); + } + } + } + } + } + } my $src = &Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); - &Apache::lonxml::extlink($src); + if ($src ne '') { + &Apache::lonxml::extlink($src); + } my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { my %toconvert; - my $src=&Apache::lonxml::get_param('src',$parstack,$safeeval,undef,1); if ($src) { $toconvert{'src'}= $src; } - my $name=&Apache::lonxml::get_param('name',$parstack,$safeeval, - undef,1); if ($name=~/^cabbase$/i) { $toconvert{'value'}=&Apache::lonxml::get_param('value',$parstack, $safeeval,undef,1); @@ -3827,7 +3466,7 @@ sub start_caption { my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[4]; - } + } return $currentstring; } @@ -3835,7 +3474,7 @@ sub end_caption { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { - $currentstring = $token->[2]; + $currentstring = $token->[2]; } return $currentstring; } @@ -3859,13 +3498,34 @@ sub end_col { return $currentstring; } -#-- tag (end tag optional) +#-- [4]; } + if ($target eq 'tex') { + # TODO: Ensure this tag is in a table: + + # Fetch the attributes and build the hash for the + # call to define_colgroup. + + my $span = &Apache::lonxml::get_param('span', $parstack, $safeeval); + my $halign = &Apache::lonxml::get_param('halign', $parstack, $safeeval); + + my %colgroup_params; + if ($span ne '') { + $colgroup_params{'span'} = $span; + } + if ($halign ne '') { + $colgroup_params{'halign'} = $halign; + } + + my $table = $Apache::londefdef::table[-1]; + $table->define_colgroup(\%colgroup_params); + + } return $currentstring; } @@ -3878,12 +3538,16 @@ sub end_colgroup { return $currentstring; } + #-- tag (end tag required) sub start_del { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { $currentstring = $token->[4]; + } elsif ($target eq 'tex') { + &disable_para(); + $currentstring .= '\st{'; } return $currentstring; } @@ -3892,7 +3556,10 @@ sub end_del { my ($target,$token) = @_; my $currentstring = ''; if ($target eq 'web' || $target eq 'webgrade') { - $currentstring = $token->[2]; + $currentstring = $token->[2]; + } elsif ($target eq 'tex') { + &enable_para(); + $currentstring = '}'; } return $currentstring; } @@ -3940,8 +3607,68 @@ sub start_iframe { my ($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 = '