--- loncom/homework/lonhomework.pm 2001/11/05 22:49:14 1.62
+++ loncom/homework/lonhomework.pm 2001/12/04 14:51:19 1.64
@@ -1,4 +1,30 @@
+# The LearningOnline Network with CAPA
# The LON-CAPA Homework handler
+#
+# $Id: lonhomework.pm,v 1.64 2001/12/04 14:51:19 albertel Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
# Guy Albertelli
# 11/30 Gerd Kortemeyer
# 6/1,8/17,8/18 Gerd Kortemeyer
@@ -177,7 +203,7 @@ sub setupheader {
} else {
$request->content_type('text/html');
}
- &Apache::loncommon::no_cache($request);
+ if (!$Apache::lonxml::debug) { &Apache::loncommon::no_cache($request); }
$request->send_http_header;
return OK if $request->header_only;
return ''
@@ -187,12 +213,14 @@ sub handle_save_or_undo {
my ($request,$problem,$result) = @_;
my $fileout = &Apache::lonnet::filelocation("",$request->uri);
my $filesave=$fileout.".bak";
+ my $error=0;
if ($ENV{'form.Undo'} eq 'undo') {
if (copy($filesave,$fileout)) {
$request->print("Undid changes, Copied $filesave to $fileout
");
} else {
$request->print("Unable to undo, unable to copy $filesave to $fileout
");
+ $error=1;
}
} else {
my $fs=Apache::File->new(">$filesave");
@@ -201,6 +229,7 @@ sub handle_save_or_undo {
$request->print("Making Backup to $filesave
");
} else {
$request->print("Unable to make backup $filesave");
+ $error=2;
}
my $fh=Apache::File->new(">$fileout");
if (defined($fh)) {
@@ -208,8 +237,42 @@ sub handle_save_or_undo {
$request->print("Saving Modifications to $fileout
");
} else {
$request->print("Unable to write to $fileout");
+ $error|=4;
}
}
+ return $error;
+}
+
+sub editxmlmode {
+ my ($request,$file) = @_;
+ my $result;
+ my $problem=&Apache::lonnet::getfile($file);
+ if ($problem == -1) {
+ &Apache::lonxml::error(" Unable to find $file");
+ $problem='';
+ }
+ if (defined($ENV{'form.editxmltext'}) || defined($ENV{'form.Undo'})) {
+ my $error=&handle_save_or_undo($request,\$problem,
+ \$ENV{'form.editxmltext'});
+ if (!$error) { $problem=&Apache::lonnet::getfile($file); }
+ }
+ my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
+ if ($cols > 80) { $cols = 80; }
+ $result.='
+ ';
+ $request->print($result);
+ return '';
}
sub renderpage {
@@ -237,7 +300,7 @@ sub renderpage {
}
#if ($Apache::lonhomework::viewgrades eq 'F') {&createmenu('grade',$request); }
}
- if ($target eq 'grade') { &showhash(%Apache::lonhomework::history); }
+ #if ($target eq 'grade') { &showhash(%Apache::lonhomework::history); }
my $default=&Apache::lonnet::getfile('/home/httpd/html/res/adm/includes/default_homework.lcpm');
if ($default == -1) {
@@ -339,7 +402,7 @@ sub handler {
$Apache::lonhomework::browse= &Apache::lonnet::allowed('bre',$ENV{'request.filename'});
$Apache::lonhomework::viewgrades=&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'});
&Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:");
-
+ &Apache::lonxml::debug("Problem Mode ".$ENV{'form.problemmode'});
my $file=&Apache::lonnet::filelocation("",$request->uri);
#check if we know where we are
@@ -359,8 +422,11 @@ sub handler {
if ( -e $file ) {
if (!(defined $ENV{'form.problemmode'})) {
#first visit to problem in construction space
- &view_or_edit_menu($request);
- #&renderpage($request,$file);
+ #&view_or_edit_menu($request);
+ $ENV{'form.problemmode'}='View';
+ &renderpage($request,$file);
+ } elsif ($ENV{'form.problemmode'} eq 'EditXML') {
+ &editxmlmode($request,$file);
} else {
&renderpage($request,$file);
}