--- loncom/homework/lonhomework.pm 2000/07/25 17:45:40 1.1
+++ loncom/homework/lonhomework.pm 2000/11/21 18:39:35 1.16
@@ -5,22 +5,118 @@ package Apache::lonhomework;
use strict;
use Apache::style;
use Apache::lonxml;
+use Apache::lonnet;
+use Apache::inputtags;
+use Apache::structuretags;
+use Apache::response;
+
sub handler {
my $request=shift;
+
+ my $target=&get_target();
+ $Apache::lonxml::debug=1;
+ if ($ENV{'browser.mathml'}) {
+ $request->content_type('text/xml');
+ } else {
+ $request->content_type('text/html');
+ }
+ $request->send_http_header;
+ return 'OK' if $request->header_only;
+
+ &Apache::lonhomework::send_header($request);
+ my $file = &Apache::lonnet::filelocation("",$request->uri);
+ my %mystyle;
+ my $result = '';
+ &Apache::inputtags::initialize_inputtags;
+ %Apache::lonhomework::results=();
+ %Apache::lonhomework::history=&Apache::lonnet::restore;
+ #ignore error conditions
+ my ($temp)=keys %Apache::lonhomework::history ;
+ if ($temp =~ m/^error:.*/) { %Apache::lonhomework::history=(); }
+
+ my $resultkey;
+ foreach $resultkey (sort keys %Apache::lonhomework::history) {
+ &Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::history{$resultkey}");
+ }
+ &Apache::lonxml::debug("\n
restored values^\n");
+
+ my $problem=&Apache::lonnet::getfile($file);
+ if ($problem == -1) {
+ &Apache::lonxml::error(" Unable to find $file");
+ $problem='';
+ }
+ my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');
+ if ($default == -1) {
+ &Apache::lonxml::error("Unable to find $file");
+ $default='';
+ }
+
+ $result = Apache::lonxml::xmlparse($target, $problem,
+ $default.&setup_vars($target),%mystyle);
+ #$request->print("Result follows:");
+ $request->print($result);
+ #$request->print(":Result ends");
+
+ foreach $resultkey (sort keys %Apache::lonhomework::results) {
+ &Apache::lonxml::debug("$resultkey ---- $Apache::lonhomework::results{$resultkey}");
+ }
+ &Apache::lonxml::debug("\n
storing values^\n");
+
+ &Apache::lonhomework::send_footer($request);
+ ($temp) = keys %Apache::lonhomework::results;
+ if ( $temp ne '' ) {
+ &Apache::lonxml::debug("Store return message:".&Apache::lonnet::cstore(%Apache::lonhomework::results));
+ }
+ return 'OK';
+}
+
+sub get_target {
+ if ( $ENV{'request.state'} eq "published") {
+ return 'web';
+ } elsif ($ENV{'request.state'} eq "construct") {
+ if ( defined $ENV{'form.preview'}) {
+ return 'web';
+ } else {
+ return 'edit';
+ }
+ }
+}
+
+sub setup_vars {
+ my ($target) = @_;
+ return ';'
+# return ';$external::target='.$target.';';
+}
+
+sub send_header {
+ my ($request)= @_;
+ $request->print(&Apache::lontexconvert::header());
+ $ENV{'request.uri'}=$request->uri;
+# $request->print('