# The LearningOnline Network # Simple Page Editor # # $Id: lonsimplepage.pm,v 1.42 2006/06/30 18:06:47 raeburn 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/ # package Apache::lonsimplepage; use strict; use Apache::Constants qw(:common); use Apache::loncommon; use Apache::lonnet; use Apache::lontexconvert; use Apache::lonfeedback; use Apache::lonlocal; use Apache::lonprintout; use Apache::lonxml; use Apache::longroup; sub handler { my $r = shift; &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK if $r->header_only; my $target=$env{'form.grade_target'}; # ------------------------------------------------------------ Print the screen if ($target eq 'tex') { $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'})); } my (undef,undef,undef,undef,$marker,$caller)=split(/\//,$r->uri); # Is this even in a course? unless ($env{'request.course.id'}) { if ($target ne 'tex') { &Apache::loncommon::simple_error_page($r,'','Not in a course'); } else { $r->print('\textbf{Not in a course}\end{document}'); } return OK; } my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'}; my $crs = $env{'course.'.$env{'request.course.id'}.'.num'}; my $grp_view_permission = &Apache::lonnet::allowed('vcg', $env{'request.course.id'}); my $namespace; my %curr_group = (); my %groupinfo = (); if ($caller eq 'grppg') { $marker =~ s/\W//g; $namespace = 'grppage_'.$marker; my %curr_groups = &Apache::longroup::coursegroups($dom,$crs,$marker); if (!%curr_groups) { &Apache::loncommon::simple_error_page($r,'','Invalid group name'); return OK; } %groupinfo = &Apache::longroup::get_group_settings($curr_groups{$marker}); } else { $marker=~s/\D//g; $namespace = 'smppage_'.$marker; } if (!$marker) { &Apache::loncommon::simple_error_page($r,'','Invalid call'); return OK; } # --------------------------------------------------------- The syllabus fields my %syllabusfields=&Apache::lonlocal::texthash( 'aaa_title' => 'Page Title', 'bbb_content' => 'Content', 'ccc_webreferences' => 'Web References'); if ($caller eq 'grppg') { $syllabusfields{'abb_links'} = &mt('Functionality'); } # ------------------------------------------------------------ Get query string &Apache::loncommon::get_unprocessed_cgi ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']); # --------------------------------------------------------------- Force Student my $forcestudent=''; if ($env{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; }; my $forceedit=''; if ($env{'form.forceedit'}) { $forceedit='edit'; } my %syllabus=&Apache::lonnet::dump($namespace,$dom,$crs); # --------------------------------------- There is such a user, get environment if ($target ne 'tex') { my $title = 'Course Page'; if ($caller eq 'grppg') { $title = 'Group Page'; } my $start_page = &Apache::loncommon::start_page($title,undef, {'function' => $forcestudent, 'domain' => $dom, 'force_register' => $env{'form.register'},}); $r->print($start_page); } if ($caller eq 'grppg') { if (($grp_view_permission) || (&Apache::longroup::check_group_access($caller))) { if ((!&Apache::lonnet::allowed('vgh', $env{'request.course.id'}.'/'.$marker)) && (!&Apache::lonnet::allowed('mdg', $env{'request.course.id'}.'/'.$marker))) { &display_group_links($r,$target,$marker,'view',%groupinfo); return OK; } } else { my $msg = &mt('You do not currently have rights to view this group.'); if ($target ne 'tex') { $r->print("
$msg
". &Apache::loncommon::end_page()); } else { $r->print('\textbf{'.$msg.'}\end{document}'); } return OK; } } my $allowed; if ($caller eq 'grppg') { $allowed = &Apache::lonnet::allowed('mdg',$env{'request.course.id'}); if (!$allowed) { $allowed = &Apache::lonnet::allowed('mgh',$env{'request.course.id'}. '/'.$marker); } } else { $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'}); } my $privileged=$allowed; if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) { $forcestudent='student'; } if ($forcestudent or $target eq 'tex') { $allowed=0; } if ($allowed) { $r->print(''.
&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'
'.&mt('Show Student View').''.
&Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'
No page information provided.
'); } if ($env{'form.grade_target'} ne 'tex') { $r->print(&Apache::loncommon::end_page()); } else { $r->print('\end{document}'); } return OK; } sub display_group_links { my ($r,$target,$marker,$context,%groupinfo) = @_; my @available = (); my %menu = (); %{$menu{'email'}} = ( text => 'Group e-mail', href => '/adm/email?compose=group&group='.$marker, ); %{$menu{'discussion'}} = ( text => 'Discussion Boards', href => '/adm/groupboards?group='.$marker, ); %{$menu{'chat'}} = ( text => 'Group chat', href => "javascript:group_chat('$marker')", ); %{$menu{'files'}} = ( text => 'File repository', href => '/adm/coursegrp_portfolio?group='.$marker, ); %{$menu{'roster'}} = ( text => 'Membership roster', href => '/adm/grouproster?group='.$marker, ); foreach my $tool (sort(keys(%menu))) { if ($groupinfo{functions}{$tool} eq 'on') { push(@available,$tool); } } if (@available > 0) { my $output = ''.$menu{$tool}{text}.' | '; } else { $output .= ''. $menu{$tool}{text}.' | '; } } $output .= '