--- loncom/xml/lonxml.pm 2002/07/12 16:37:38 1.180
+++ loncom/xml/lonxml.pm 2002/10/17 17:13:44 1.204
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# XML Parser Module
#
-# $Id: lonxml.pm,v 1.180 2002/07/12 16:37:38 albertel Exp $
+# $Id: lonxml.pm,v 1.204 2002/10/17 17:13:44 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -99,6 +99,8 @@ use Apache::edit();
use Apache::lonnet();
use Apache::File();
use Apache::loncommon();
+use Apache::lonfeedback();
+use Apache::lonmsg();
#================================================== Main subroutine: xmlparse
#debugging control, to turn on debugging modify the correct handler
@@ -138,6 +140,10 @@ $Apache::lonxml::registered=0;
# a pointer the the Apache request object
$Apache::lonxml::request='';
+# a problem number counter, and check on hether it is used
+$Apache::lonxml::counter=0;
+$Apache::lonxml::counter_changed=0;
+
sub xmlbegin {
my $output='';
if ($ENV{'browser.mathml'}) {
@@ -154,6 +160,7 @@ sub xmlbegin {
}
sub xmlend {
+ my ($discussiononly,$symb)=@_;
my $discussion='';
if ($ENV{'request.course.id'}) {
my $crs='/'.$ENV{'request.course.id'};
@@ -162,32 +169,47 @@ sub xmlend {
}
$crs=~s/\_/\//g;
my $seeid=&Apache::lonnet::allowed('rin',$crs);
- my $symb=&Apache::lonnet::symbread();
+ unless ($symb) {
+ $symb=&Apache::lonnet::symbread();
+ }
if ($symb) {
my %contrib=&Apache::lonnet::restore($symb,$ENV{'request.course.id'},
$ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
$ENV{'course.'.$ENV{'request.course.id'}.'.num'});
if ($contrib{'version'}) {
- $discussion.=
- '<address><hr /><h2>Course Discussion of Resource</h2>';
+ unless ($discussiononly) {
+ $discussion.=
+ '<address><hr />';
+ }
my $idx;
for ($idx=1;$idx<=$contrib{'version'};$idx++) {
my $hidden=($contrib{'hidden'}=~/\.$idx\./);
unless (($hidden) && (!$seeid)) {
my $message=$contrib{$idx.':message'};
$message=~s/\n/\<br \/\>/g;
+ $message=&Apache::lontexconvert::msgtexconverted($message);
if ($message) {
if ($hidden) {
$message='<font color="#888888">'.$message.'</font>';
}
+ my $screenname=&Apache::loncommon::screenname(
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'});
+ my $plainname=&Apache::loncommon::nickname(
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'});
+
my $sender='Anonymous';
if ((!$contrib{$idx.':anonymous'}) || ($seeid)) {
- $sender=$contrib{$idx.':plainname'}.' ('.
+ $sender=&Apache::loncommon::aboutmewrapper(
+ $plainname,
+ $contrib{$idx.':sendername'},
+ $contrib{$idx.':senderdomain'}).' ('.
$contrib{$idx.':sendername'}.' at '.
$contrib{$idx.':senderdomain'}.')';
if ($contrib{$idx.':anonymous'}) {
$sender.=' [anonymous] '.
- $contrib{$idx.':screenname'};
+ $screenname;
}
if ($seeid) {
if ($hidden) {
@@ -199,8 +221,8 @@ sub xmlend {
}
}
} else {
- if ($contrib{$idx.':screenname'}) {
- $sender='<i>'.$contrib{$idx.':screenname'}.'</i>';
+ if ($screenname) {
+ $sender='<i>'.$screenname.'</i>';
}
}
$discussion.='<p><b>'.$sender.'</b> ('.
@@ -210,11 +232,28 @@ sub xmlend {
}
}
}
- $discussion.='</address>';
+ unless ($discussiononly) {
+ $discussion.='</address>';
+ }
+ }
+ if ($discussiononly) {
+ $discussion.=(<<ENDDISCUSS);
+<form action="/adm/feedback" method="post" name="mailform">
+<input type="submit" name="discuss" value="Post Discussion" />
+<input type="submit" name="anondiscuss" value="Post Anonymous Discussion" />
+<input type="hidden" name="symb" value="$symb" />
+<input type="hidden" name="sendit" value="true" />
+<br />
+<font size="1">Note: in anonymous discussion, your name is visible only to
+course faculty</font><br />
+<textarea name=comment cols=60 rows=10 wrap=hard></textarea>
+</form>
+ENDDISCUSS
+ $discussion.=&Apache::lonfeedback::generate_preview_button();
}
}
}
- return $discussion.'</html>';
+ return $discussion.($discussiononly?'':'</html>');
}
sub tokeninputfield {
@@ -331,8 +370,10 @@ sub registerurl {
my $forcereg=shift;
my $target = shift;
my $result = '';
+
if ($target eq 'edit') {
- $result .="<script>\n menu.currentURL=null;\n".
+ $result .="<script>\n".
+ "if (typeof menu != 'undefined') {menu.currentURL=null;}\n".
&Apache::loncommon::browser_and_searcher_javascript().
"\n</script>\n";
}
@@ -346,7 +387,11 @@ sub registerurl {
$Apache::lonxml::registered=1;
my $nothing='';
if ($ENV{'browser.type'} eq 'explorer') { $nothing='javascript:void(0);'; }
- my $timesync='menu.clock.setTime(1000*'.time.');';
+ my $newmail='';
+ if (&Apache::lonmsg::newmail()) {
+ $newmail='menu.setstatus("you have","messages");';
+ }
+ my $timesync='menu.syncclock(1000*'.time.');';
if (($ENV{'REQUEST_URI'}!~/^\/(res\/)*adm\//) || ($forcereg)) {
my $hwkadd='';
if ($ENV{'request.filename'}=~/\.(problem|exam|quiz|assess|survey|form)$/) {
@@ -375,6 +420,7 @@ ENDPARM
menu=window.open("$nothing","LONCAPAmenu","",false);
menu.clearTimeout(menu.menucltim);
$timesync
+ $newmail
menu.currentURL=window.location.pathname;
menu.reloadURL=window.location.pathname;
menu.currentStale=0;
@@ -384,7 +430,7 @@ ENDPARM
menu.switchbutton
(8,1,'eval.gif','evaluate','this','gopost("/adm/evaluate",currentURL)');
menu.switchbutton
- (8,2,'fdbk.gif','feedback','on this','gopost("/adm/feedback",currentURL)');
+ (8,2,'fdbk.gif','feedback','discuss','gopost("/adm/feedback",currentURL)');
menu.switchbutton
(8,3,'prt.gif','prepare','printout','gopost("/adm/printout",currentURL)');
menu.switchbutton
@@ -513,6 +559,7 @@ sub xmlparse {
if ($ENV{'request.uri'}) {
&writeallows($ENV{'request.uri'});
}
+ if ($Apache::lonxml::counter_changed) { &store_counter() }
return $finaloutput;
}
@@ -537,6 +584,22 @@ sub htmlclean {
return $output;
}
+sub latex_special_symbols {
+ my ($current_token,$stack,$parstack)=@_;
+ $current_token=~s/\\/\\char92 /g;
+ $current_token=~s/\^/\\char94 /g;
+ $current_token=~s/\~/\\char126 /g;
+ $current_token=~s/(&[^a-z\#])/\\$1/g;
+ $current_token=~s/([^&])\#/$1\\#/g;
+ $current_token=~s/(\$|_|{|})/\\$1/g;
+ $current_token=~s/\\char92 /\\texttt{\\char92}/g;
+ $current_token=~s/>/\$>\$/g; #more
+ $current_token=~s/</\$<\$/g; #less
+ if ($current_token=~m/\d%/) {$current_token =~ s/(\d)%/$1\\%/g;} #percent after digit
+ if ($current_token=~m/\s%/) {$current_token =~ s/(\s)%/$1\\%/g;} #persent after space
+ return $current_token;
+}
+
sub inner_xmlparse {
my ($target,$stack,$parstack,$pars,$safeeval,$style_for_target)=@_;
my $finaloutput = '';
@@ -546,7 +609,12 @@ sub inner_xmlparse {
while ($token = $$pars['-1']->get_token) {
if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
if ($metamode<1) {
- $result=$token->[1];
+ my $text=$token->[1];
+ if ($token->[0] eq 'C' && $target eq 'tex') {
+ $text = '%'.$text;
+ $text =~ s/[\n\r]//g;
+ }
+ $result.=$text;
}
} elsif ($token->[0] eq 'PI') {
if ($metamode<1) {
@@ -609,6 +677,12 @@ sub inner_xmlparse {
$result= &Apache::run::evaluate($result,$safeeval,'');
}
}
+ if (($token->[0] eq 'T') || ($token->[0] eq 'C') || ($token->[0] eq 'D') ) {
+ if ($target eq 'tex') {
+ $result=&latex_special_symbols($result,$stack,$parstack);
+ }
+ }
+
# Encode any high ASCII characters
if (!$Apache::lonxml::prevent_entity_encode) {
$result=&HTML::Entities::encode($result,"\200-\377");
@@ -735,13 +809,13 @@ sub callsub {
}
if (!$deleted) {
if ($space) {
- #&Apache::lonxml::debug("Calling sub $sub in $space $metamode");
+ &Apache::lonxml::debug("Calling sub $sub in $space $metamode");
$sub1="$space\:\:$sub";
($currentstring,$nodefault) = &$sub1($target,$token,$tagstack,
$parstack,$parser,$safeeval,
$style);
} else {
- #&Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
+ &Apache::lonxml::debug("NOT Calling sub $sub in $space $metamode");
if ($metamode <1) {
if (defined($token->[4]) && ($metamode < 1)) {
$currentstring = $token->[4];
@@ -778,6 +852,7 @@ sub setup_globals {
my ($request,$target)=@_;
$Apache::lonxml::request=$request;
$Apache::lonxml::registered = 0;
+ &init_counter();
@Apache::lonxml::pwd=();
@Apache::lonxml::extlinks=();
if ($target eq 'meta') {
@@ -934,6 +1009,7 @@ sub decreasedepth {
}
sub get_all_text_unbalanced {
+#there is a copy of this in lonpublisher.pm
my($tag,$pars)= @_;
my $token;
my $result='';
@@ -960,6 +1036,26 @@ sub get_all_text_unbalanced {
return $result
}
+sub increment_counter {
+ $Apache::lonxml::counter++;
+ $Apache::lonxml::counter_changed=1;
+}
+
+sub init_counter {
+ if (defined($ENV{'form.counter'})) {
+ $Apache::lonxml::counter=$ENV{'form.counter'};
+ } elsif (not defined($Apache::lonxml::counter)) {
+ $Apache::lonxml::counter=1;
+ &store_counter();
+ }
+ $Apache::lonxml::counter_changed=0;
+}
+
+sub store_counter {
+ &Apache::lonnet::appenv(('form.counter' => $Apache::lonxml::counter));
+ return '';
+}
+
sub get_all_text {
my($tag,$pars)= @_;
my $depth=0;
@@ -1251,7 +1347,7 @@ ENDNOTFOUND
sub debug {
if ($Apache::lonxml::debug eq 1) {
$|=1;
- print("DEBUG:".&HTML::Entities::encode($_[0])."<br />\n");
+ print('<font size="-2"<pre>DEBUG:'.&HTML::Entities::encode($_[0])."</pre></font>\n");
}
}