--- loncom/xml/lonxml.pm 2008/12/07 23:41:02 1.490
+++ loncom/xml/lonxml.pm 2009/10/15 21:12:51 1.500
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.490 2008/12/07 23:41:02 www Exp $
+# $Id: lonxml.pm,v 1.500 2009/10/15 21:12:51 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -109,6 +109,7 @@ use Apache::lonfeedback();
use Apache::lonmsg();
use Apache::loncacc();
use Apache::lonmaxima();
+use Apache::lonr();
use Apache::lonlocal;
#==================================== Main subroutine: xmlparse
@@ -755,6 +756,13 @@ sub init_safespace {
$safehole->wrap(\&Apache::lonmaxima::maxima_cas_formula_fix,$safeeval,
'&maxima_cas_formula_fix');
+ $safehole->wrap(\&Apache::lonr::r_eval,$safeeval,'&r_eval');
+ $safehole->wrap(\&Apache::lonr::Rentry,$safeeval,'&Rentry');
+ $safehole->wrap(\&Apache::lonr::Rarray,$safeeval,'&Rarray');
+ $safehole->wrap(\&Apache::lonr::r_check,$safeeval,'&r_check');
+ $safehole->wrap(\&Apache::lonr::r_cas_formula_fix,$safeeval,
+ '&r_cas_formula_fix');
+
$safehole->wrap(\&Apache::caparesponse::capa_formula_fix,$safeeval,
'&capa_formula_fix');
@@ -1035,7 +1043,7 @@ sub get_id {
my ($parstack,$safeeval)=@_;
my $id= &Apache::lonxml::get_param('id',$parstack,$safeeval);
if ($env{'request.state'} eq 'construct' && $id =~ /([._]|[^\w\d\s[:punct:]])/) {
- &error(&mt("ID "[_1]" contains invalid characters, IDs are only allowed to contain letters, numbers, spaces and -",''.$id.''));
+ &error(&mt('ID [_1] contains invalid characters. IDs are only allowed to contain letters, numbers, spaces and -','"'.$id.'"'));
}
if ($id =~ /^\s*$/) { $id = $Apache::lonxml::curdepth; }
return $id;
@@ -1504,6 +1512,15 @@ SIMPLECONTENT
return $filecontents;
}
+sub createnewjs {
+ my $filecontents=(<
+
+
+SIMPLECONTENT
+ return $filecontents;
+}
+
sub verify_html {
my ($filecontents)=@_;
if ($filecontents!~/(?:\<|\<\;)(?:html|xml)[^\<]*(?:\>|\>\;)/is) {
@@ -1529,12 +1546,16 @@ sub renderingoptions {
= &Apache::loncommon::plainlanguagedescription($_);
}
}
- return
- ''.
- &mt('Language:').' '.
- &Apache::loncommon::select_form($env{'form.languages'},'languages',
- %langchoices).'
-
+ my $output;
+ unless ($env{'form.forceedit'}) {
+ $output .= '
+ '.
+ &mt('Language:').' '.
+ &Apache::loncommon::select_form($env{'form.languages'},'languages',
+ %langchoices).'
+ ';
+ }
+ $output .= '
'.
&mt('Math Rendering:').' '.
&Apache::loncommon::select_form($env{'form.texengine'},'texengine',
@@ -1543,6 +1564,7 @@ sub renderingoptions {
'jsMath' => 'jsMath',
'mimetex' => 'mimetex (Convert to Images)')).'
';
+ return $output;
}
sub inserteditinfo {
@@ -1551,6 +1573,7 @@ sub inserteditinfo {
my $xml_help = '';
my $initialize='';
my $textarea_id = 'filecont';
+ my $dragmath_button;
my ($add_to_onload, $add_to_onresize);
$initialize=&Apache::lonhtmlcommon::spellheader();
if ($filetype eq 'html'
@@ -1588,6 +1611,10 @@ FULLPAGE
}
FULLPAGE
+ if ($filetype eq 'html') {
+ $initialize .= "\n".&Apache::lonhtmlcommon::dragmath_js('EditMathPopup');
+ $dragmath_button = &Apache::lonhtmlcommon::dragmath_button('filecont',1);
+ }
}
$add_to_onload = 'initDocument();';
@@ -1606,9 +1633,12 @@ FULLPAGE
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 $htmlerror;
+ if ($filetype eq 'html') {
+ $htmlerror=&verify_html($filecontents);
+ if ($htmlerror) {
+ $htmlerror=''.$htmlerror.'';
+ }
}
my $editfooter=(<
- $spelllink $htmlerror
+ $dragmath_button $spelllink $htmlerror
@@ -1671,9 +1701,8 @@ sub get_target {
sub handler {
my $request=shift;
-
+
my $target=&get_target();
-
$Apache::lonxml::debug=$env{'user.debug'};
&Apache::loncommon::content_type($request,'text/html');
@@ -1682,6 +1711,21 @@ sub handler {
$request->set_last_modified(&Apache::lonnet::metadata($request->uri,
'lastrevisiondate'));
}
+ # Embedded Flash movies from Camtasia served from https will not display in IE
+ # if XML config file has expired from cache.
+ if ($ENV{'SERVER_PORT'} == 443) {
+ if ($request->uri =~ /\.xml$/) {
+ my ($httpbrowser,$clientbrowser) =
+ &Apache::loncommon::decode_user_agent($request);
+ if ($clientbrowser =~ /^explorer$/i) {
+ delete $request->headers_out->{'Cache-control'};
+ delete $request->headers_out->{'Pragma'};
+ my $expiration = time + 60;
+ my $date=strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime($expiration));
+ $request->headers_out->set("Expires" => $date);
+ }
+ }
+ }
$request->send_http_header;
return OK if $request->header_only;
@@ -1689,11 +1733,12 @@ sub handler {
my $file=&Apache::lonnet::filelocation("",$request->uri);
my $filetype;
- if ($file =~ /\.sty$/) {
- $filetype='sty';
+ if ($file =~ /\.(sty|css|js|txt)$/) {
+ $filetype=$1;
} else {
$filetype='html';
}
+
#
# Edit action? Save file.
#
@@ -1712,17 +1757,22 @@ sub handler {
if ($filecontents eq -1) {
my $start_page=&Apache::loncommon::start_page('File Error');
my $end_page=&Apache::loncommon::end_page();
- my $fnf=&mt('File not found');
+ my $errormsg='
'
+ .&mt('File not found: [_1]'
+ ,''.$file.'')
+ .'
';
$result=(<$fnf: $file
+$errormsg
$end_page
ENDNOTFOUND
$filecontents='';
if ($env{'request.state'} ne 'published') {
if ($filetype eq 'sty') {
$filecontents=&createnewsty();
- } else {
+ } elsif ($filetype eq 'js') {
+ $filecontents=&createnewjs();
+ } elsif (($filetype ne 'css') && ($filetype ne 'txt')) {
$filecontents=&createnewhtml();
}
$env{'form.editmode'}='Edit'; #force edit mode
@@ -1738,28 +1788,57 @@ ENDNOTFOUND
['editmode']);
}
if (!$env{'form.editmode'} || $env{'form.viewmode'} || $env{'form.discardview'}) {
- &Apache::structuretags::reset_problem_globals();
- $result = &Apache::lonxml::xmlparse($request,$target,$filecontents,
- '',%mystyle);
+ if ($filetype eq 'html' || $filetype eq 'sty') {
+ &Apache::structuretags::reset_problem_globals();
+ $result = &Apache::lonxml::xmlparse($request,$target,
+ $filecontents,'',%mystyle);
# .html files may contain or need to clean
# up if it did
- &Apache::structuretags::reset_problem_globals();
- &Apache::lonhomework::finished_parsing();
+ &Apache::structuretags::reset_problem_globals();
+ &Apache::lonhomework::finished_parsing();
+ } else {
+ $result = $filecontents;
+ }
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['rawmode']);
if ($env{'form.rawmode'}) { $result = $filecontents; }
- if ($filetype eq 'sty') {
- my $controls =
- ($env{'request.state'} eq 'construct') ? &Apache::londefdef::edit_controls()
- : '';
- my %options = ('bgcolor' => '#FFFFFF');
- $result =
- &Apache::loncommon::start_page(undef,undef,\%options).
- $controls.
- $result.
- &Apache::loncommon::end_page();
- }
- }
+ if ($filetype ne 'html') {
+ my $nochgview = 1;
+ my $controls = '';
+ if ($env{'request.state'} eq 'construct') {
+ $controls = &Apache::loncommon::head_subbox(
+ &Apache::loncommon::CSTR_pageheader()
+ .&Apache::londefdef::edit_controls($nochgview));
+ }
+ if ($filetype ne 'sty') {
+ $result =~ s//>/g;
+ $result = '