--- loncom/interface/lonfeedback.pm 2001/02/08 21:35:24 1.5
+++ loncom/interface/lonfeedback.pm 2011/12/10 22:54:34 1.307
@@ -1,278 +1,4278 @@
# The LearningOnline Network
# Feedback
#
-# (Internal Server Error Handler
+# $Id: lonfeedback.pm,v 1.307 2011/12/10 22:54:34 www Exp $
#
-# (Login Screen
-# 5/21/99,5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14,
-# 1/14/00,5/29,5/30,6/1,6/29,7/1,11/9 Gerd Kortemeyer)
+# Copyright Michigan State University Board of Trustees
#
-# 3/1/1 Gerd Kortemeyer)
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
-# 3/1,2/3,2/5,2/6,2/8 Gerd Kortemeyer
+# 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/
+#
+###
+
package Apache::lonfeedback;
use strict;
use Apache::Constants qw(:common);
use Apache::lonmsg();
+use Apache::loncommon();
+use Apache::lontexconvert();
+use Apache::lonlocal; # must not have ()
+use Apache::lonnet;
+use Apache::lonhtmlcommon();
+use Apache::lonnavmaps;
+use Apache::lonenc();
+use Apache::lonrss();
+use HTML::LCParser();
+#use HTML::Tidy::libXML;
+use Apache::lonspeller();
+use Apache::longroup;
+use Cwd;
+use LONCAPA;
-sub handler {
- my $r = shift;
- $r->content_type('text/html');
- $r->send_http_header;
- return OK if $r->header_only;
+sub discussion_open {
+ my ($status,$symb)=@_;
+# Advanced roles can always discuss
+ if ($env{'request.role.adv'}) { return 1; }
+# Get discussion closing date
+ my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb);
+# If it is defined and in the future, the instructor wants this discussion to be open
+ if (defined($close) && $close ne '' && $close > time) {
+ return 1;
+ }
+# It was not explicitly open, check if the problem is available.
+# If the problem is not available, close the discussion
+ if (defined($status) &&
+ !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER'
+ || $status eq 'OPEN')) {
+ return 0;
+ }
+# The problem is available, but check if the instructor explictly closed discussion
+ if (defined($close) && $close ne '' && $close < time) {
+ return 0;
+ }
+ return 1;
+}
- my $feedurl=$ENV{'form.postdata'};
- $feedurl=~s/^http\:\/\///;
- $feedurl=~s/^$ENV{'SERVER_NAME'}//;
- $feedurl=~s/^$ENV{'HTTP_HOST'}//;
+sub discussion_visible {
+ my ($status)=@_;
+ if (not &discussion_open($status)) {
+ my $hidden=&Apache::lonnet::EXT('resource.0.discusshide');
+ if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) {
+ if (!$env{'request.role.adv'}) { return 0; }
+ }
+ }
+ return 1;
+}
- if ((($feedurl=~/^\/res/) && ($feedurl!~/^\/res\/adm/))
- || ($ENV{'request.course.id'})) {
-# --------------------------------------------------- Print login screen header
- unless ($ENV{'form.sendit'}) {
- my $options='';
- if (($feedurl=~/^\/res/) && ($feedurl!~/^\/res\/adm/)) {
- $options=
- '
Feedback to resource author';
- }
- if ($ENV{'course.'.$ENV{'request.course.id'}.'.question.email'}) {
- $options.=
- ' Question about resource content';
- }
- if ($ENV{'course.'.$ENV{'request.course.id'}.'.comment.email'}) {
- $options.=
- ' '.
- 'Question/Comment/Feedback about course content';
- }
- if ($ENV{'course.'.$ENV{'request.course.id'}.'.policy.email'}) {
- $options.=
- ' '.
- 'Question/Comment/Feedback about course policy';
- }
- if ($options) {
- $r->print(<
-
-The LearningOnline Network with CAPA
-
+END
+
+ my ($textareaheader,$textareaclass);
+ if (&Apache::lonhtmlcommon::htmlareabrowser()) {
+ $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive();
+ $textareaclass = 'class="LC_richDefaultOff"';
+ if ($env{'request.course.id'}) {
+ unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) {
+ undef($textareaclass);
+ }
+ }
+ }
+
+ # Breadcrumbs
+ my $brcrum = [{'href' => '',
+ 'text' => 'Resource Feedback and Discussion'}];
+
+ my %onload = ('onload' => 'window.focus();setposttype();');
+ my %parms=('add_entries' => \%onload);
+ if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum }
+ my $start_page=
+ &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms);
+
+ if ($quote ne '') {
+ $quote = &HTML::Entities::decode($quote);
+ unless (&contains_block_html($quote)) {
+ &newline_to_br(\$quote);
+ }
+ $quote='
-