--- loncom/xml/lonxml.pm 2007/10/10 00:02:27 1.463 +++ loncom/xml/lonxml.pm 2008/06/25 12:00:37 1.481 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # XML Parser Module # -# $Id: lonxml.pm,v 1.463 2007/10/10 00:02:27 albertel Exp $ +# $Id: lonxml.pm,v 1.481 2008/06/25 12:00:37 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -377,8 +377,12 @@ sub xmlparse { $finaloutput .= join('',@script_var_displays); undef(@script_var_displays); } - + &init_state(); if ($env{'form.return_only_error_and_warning_counts'}) { + if ($env{'request.filename'}=~/\.(html|htm|xml)$/i) { + my $error=&verify_html($content_file_string); + if ($error) { $errorcount++; } + } return "$errorcount:$warningcount"; } return $finaloutput; @@ -631,6 +635,24 @@ sub callsub { return $currentstring; } +{ + my %state; + + sub init_state { + undef(%state); + } + + sub set_state { + my ($key,$value) = @_; + $state{$key} = $value; + return $value; + } + sub get_state { + my ($key) = @_; + return $state{$key}; + } +} + sub setup_globals { my ($request,$target)=@_; $Apache::lonxml::request=$request; @@ -640,6 +662,8 @@ sub setup_globals { $Apache::lonxml::usestyle=1; &init_counter(); &clear_bubble_lines_for_part(); + &init_state(); + &set_state('target',$target); @Apache::lonxml::pwd=(); @Apache::lonxml::extlinks=(); @script_var_displays=(); @@ -694,6 +718,7 @@ sub init_safespace { $safeeval->permit(":base_math"); $safeeval->permit("sort"); $safeeval->permit("time"); + $safeeval->permit("caller"); $safeeval->deny("rand"); $safeeval->deny("srand"); $safeeval->deny(":base_io"); @@ -703,6 +728,7 @@ sub init_safespace { $safehole->wrap(\&Apache::chemresponse::chem_standard_order,$safeeval, '&chem_standard_order'); $safehole->wrap(\&Apache::response::check_status,$safeeval,'&check_status'); + $safehole->wrap(\&Apache::response::implicit_multiplication,$safeeval,'&implicit_multiplication'); $safehole->wrap(\&Apache::lonmaxima::maxima_eval,$safeeval,'&maxima_eval'); $safehole->wrap(\&Apache::lonmaxima::maxima_check,$safeeval,'&maxima_check'); @@ -712,6 +738,9 @@ sub init_safespace { $safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval, '&capa_formula_fix'); + $safehole->wrap(\&Apache::lonlocal::locallocaltime,$safeeval, + '&locallocaltime'); + $safehole->wrap(\&Math::Cephes::asin,$safeeval,'&asin'); $safehole->wrap(\&Math::Cephes::acos,$safeeval,'&acos'); $safehole->wrap(\&Math::Cephes::atan,$safeeval,'&atan'); @@ -1047,28 +1076,29 @@ Increments the internal counter environm Optional Arguments: $increment - amount to increment by (defaults to 1) Also 1 if the value is negative or zero. - $part_id - optional part id.. during analysis, this - indicates whic part of a problem is being - counted. + $part_response - A concatenation of the part and response id + identifying exactly what is being 'answered'. + =cut sub increment_counter { - my ($increment, $part_id) = @_; + my ($increment, $part_response) = @_; + if ($env{'form.grade_noincrement'}) { return; } if (!defined($increment) || $increment le 0) { $increment = 1; } $Apache::lonxml::counter += $increment; - # If the caller supplied the part_id parameter, + # If the caller supplied the response_id parameter, # Maintain its counter.. creating if necessary. - if(defined($part_id)) { - if (!defined($Apache::lonxml::counters_per_part{$part_id})) { - $Apache::lonxml::counters_per_part{$part_id} = 0; + if (defined($part_response)) { + if (!defined($Apache::lonxml::counters_per_part{$part_response})) { + $Apache::lonxml::counters_per_part{$part_response} = 0; } - $Apache::lonxml::counters_per_part{$part_id} += $increment; - my $new_value = $Apache::lonxml::counters_per_part{$part_id}; + $Apache::lonxml::counters_per_part{$part_response} += $increment; + my $new_value = $Apache::lonxml::counters_per_part{$part_response}; } $Apache::lonxml::counter_changed=1; @@ -1096,7 +1126,7 @@ sub init_counter { } sub store_counter { - &Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter)); + &Apache::lonnet::appenv({'form.counter' => $Apache::lonxml::counter}); $Apache::lonxml::counter_changed=0; return ''; } @@ -1117,7 +1147,7 @@ sub store_counter { sub restore_problem_counter { if (defined($state)) { - &Apache::lonnet::appenv(('form.counter' => $state)); + &Apache::lonnet::appenv({'form.counter' => $state}); } } sub get_problem_counter { @@ -1129,22 +1159,21 @@ sub store_counter { =pod -=item bubble_lines_for_part(part_id) +=item bubble_lines_for_part(part_response) Returns the number of lines required to get a response for -$part_id (this is just $Apache::lonxml::counters_per_part{$part_id} +$part_response (this is just $Apache::lonxml::counters_per_part{$part_response} =cut sub bubble_lines_for_part { - my ($part_id) = @_; + my ($part_response) = @_; - if (!defined($Apache::lonxml::counters_per_part{$part_id})) { + if (!defined($Apache::lonxml::counters_per_part{$part_response})) { return 0; } else { - return $Apache::lonxml::counters_per_part{$part_id}; + return $Apache::lonxml::counters_per_part{$part_response}; } - } =pod @@ -1163,7 +1192,7 @@ sub clear_bubble_lines_for_part { =pod -=item set_bubble_lines(part_id, value) +=item set_bubble_lines(part_response, value) If there is a problem part, that for whatever reason requires bubble lines that are not @@ -1173,9 +1202,9 @@ analysis to set its hash value explicitl =cut sub set_bubble_lines { - my ($part_id, $value) = @_; + my ($part_response, $value) = @_; - $Apache::lonxml::counters_per_part{$part_id} = $value; + $Apache::lonxml::counters_per_part{$part_response} = $value; } =pod @@ -1355,7 +1384,7 @@ sub writeallows { &Apache::lonnet::hreflocation($thisdir,&unescape($_))}=$thisurl; } @extlinks=(); - &Apache::lonnet::appenv(%httpref); + &Apache::lonnet::appenv(\%httpref); } sub register_ssi { @@ -1455,11 +1484,50 @@ SIMPLECONTENT return $filecontents; } +sub verify_html { + my ($filecontents)=@_; + if ($filecontents!~/(?:\<|\<\;)(?:html|xml)[^\<]*(?:\>|\>\;)/is) { + return &mt('File does not have [_1] or [_2] starting tag','<html>','<xml>'); + } + if ($filecontents!~/(?:\<|\<\;)\/(?:html|xml)(?:\>|\>\;)/is) { + return &mt('File does not have [_1] or [_2] ending tag','<html>','<xml>'); + } + if ($filecontents!~/(?:\<|\<\;)(?:body|frameset)[^\<]*(?:\>|\>\;)/is) { + return &mt('File does not have [_1] or [_2] starting tag','<body>','<frameset>'); + } + if ($filecontents!~/(?:\<|\<\;)\/(?:body|frameset)[^\<]*(?:\>|\>\;)/is) { + return &mt('File does not have [_1] or [_2] ending tag','<body>','<frameset>'); + } + return ''; +} + +sub renderingoptions { + my %langchoices=('' => ''); + foreach (&Apache::loncommon::languageids()) { + if (&Apache::loncommon::supportedlanguagecode($_)) { + $langchoices{&Apache::loncommon::supportedlanguagecode($_)} + = &Apache::loncommon::plainlanguagedescription($_); + } + } + return + ''. + &mt('Language:').' '. + &Apache::loncommon::select_form($env{'form.languages'},'languages', + %langchoices).' + + '. + &mt('Math Rendering:').' '. + &Apache::loncommon::select_form($env{'form.texengine'},'texengine', + ('' => '', + 'tth' => 'tth (Tex-to-HTML)', + 'jsMath' => 'jsMath', + 'mimetex' => 'mimetex (Convert to Images)')).' + '; +} sub inserteditinfo { - my ($filecontents,$filetype)=@_; + my ($filecontents, $filetype, $filename)=@_; $filecontents = &HTML::Entities::encode($filecontents,'<>&"'); -# my $editheader='Edit below
'; my $xml_help = ''; my $initialize=''; my $textarea_id = 'filecont'; @@ -1495,7 +1563,6 @@ FULLPAGE } else { $initialize.=(< -$addbuttons function initDocument() { resize_textarea('$textarea_id','LC_aftertextarea'); } @@ -1510,38 +1577,45 @@ FULLPAGE $xml_help=&Apache::loncommon::helpLatexCheatsheet(); } - my $cleanbut = ''; - my $titledisplay=&display_title(); my %lt=&Apache::lonlocal::texthash('st' => 'Save and Edit', 'vi' => 'Save and View', 'dv' => 'Discard Edits and View', 'un' => 'undo', 'ed' => 'Edit'); - my $buttons=(< -
- - -BUTTONS - $buttons.=&Apache::lonhtmlcommon::spelllink('xmledit','filecont'); + my $spelllink .=&Apache::lonhtmlcommon::spelllink('xmledit','filecont'); my $textarea_events = &Apache::edit::element_change_detection(); my $form_events = &Apache::edit::form_change_detection(); + my $htmlerror=&verify_html($filecontents); + if ($htmlerror) { + $htmlerror=''.$htmlerror.''; + } my $editfooter=(<
-$xml_help - -$buttons
- -
-
$buttons -
-$titledisplay -
+
+ +
+ $filename + + $xml_help +
+
+ + + $spelllink $htmlerror +
+
+ + +
+
+ +
+
+ $titledisplay +
ENDFOOTER @@ -1607,6 +1681,9 @@ sub handler { if ($env{'form.savethisfile'} || $env{'form.viewmode'} || $env{'form.Undo'}) { my $html_file=&Apache::lonnet::getfile($file); my $error = &Apache::lonhomework::handle_save_or_undo($request, \$html_file, \$env{'form.filecont'}); + if ($env{'form.savethisfile'}) { + $env{'form.editmode'}='Edit'; #force edit mode + } } } my %mystyle; @@ -1671,11 +1748,12 @@ ENDNOTFOUND unless ($env{'request.state'} eq 'published') { if ($env{'form.editmode'} && (!($env{'form.viewmode'})) && (!($env{'form.discardview'}))) { - my ($edit_info, $add_to_onload, $add_to_onresize)= - &inserteditinfo($filecontents,$filetype); - my $displayfile=$request->uri; $displayfile=~s/^\/[^\/]*//; + + my ($edit_info, $add_to_onload, $add_to_onresize)= + &inserteditinfo($filecontents,$filetype,$displayfile); + my %options = ('add_entries' => {'onresize' => $add_to_onresize, @@ -1691,9 +1769,7 @@ ENDNOTFOUND my $start_page = &Apache::loncommon::start_page(undef,$js, \%options); $result=$start_page. - &Apache::lonxml::message_location().'

'. - $displayfile. - '

'. + &Apache::lonxml::message_location(). $edit_info. &Apache::loncommon::end_page(); } @@ -1714,7 +1790,8 @@ sub display_title { $title = $env{'request.filename'}; $title = substr($title, rindex($title, '/') + 1); } - $result = ""; + $result = ""; } return $result; } @@ -1768,7 +1845,7 @@ sub error { # If printing in construction space, put the error inside 

 	push(@Apache::lonxml::error_messages,
 	     $Apache::lonxml::warnings_error_header.
-	     "ERROR:".join("
\n",@errors)."
\n");
+             "".&mt('ERROR:')."".join("
\n",@errors)."
\n");
 	$Apache::lonxml::warnings_error_header='';
     } else {
 	my $errormsg;
@@ -1778,7 +1855,9 @@ sub error {
 	    $errormsg=&mt("An error occured while processing this resource. The author has been notified.");
 	}
 	my $host=$Apache::lonnet::perlvar{'lonHostID'};
-	push(@errors, "The error occurred on host $host");
+	push(@errors,
+        &mt("The error occurred on host [_1]",
+             "$host"));
 
 	my $msg = join('
', @errors);