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Annotation of loncom/interface/lonpickauthor.pm, revision 1.3

1.1       raeburn     1: # The LearningOnline Network with CAPA
                      2: # Display authors in domain for selection of ad loc co-author role by Domain Coordinator. 
                      3: #
1.3     ! raeburn     4: # $Id: lonpickauthor.pm,v 1.2 2008/10/15 09:49:52 bisitz Exp $
1.1       raeburn     5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA#
                     23: # /home/httpd/html/adm/gpl.txt
                     24: #
                     25: # http://www.lon-capa.org/
                     26: #
                     27: #
                     28: ###############################################################
                     29: ###############################################################
                     30: 
                     31: package Apache::lonpickauthor;
                     32: 
                     33: use strict;
                     34: use Apache::Constants qw(:common);
                     35: use Apache::loncommon;
                     36: use Apache::lonnet;
                     37: use Apache::lonlocal;
                     38: use Apache::lonroles;
                     39: use Apache::lonuserutils;
                     40: use LONCAPA;
                     41: 
                     42: sub handler {
                     43:     my $r = shift;
                     44:     &Apache::loncommon::content_type($r,'text/html');
                     45:     $r->send_http_header;
                     46:     return OK if $r->header_only;
                     47: 
                     48: # ------------------------------------------------------------ Print the screen
                     49:     $r->print(&Apache::loncommon::start_page("Selecting an Author",undef,
                     50:                                              {'no_nav_bar' => 1}));
                     51: 
                     52: 
                     53:     &Apache::loncommon::get_unprocessed_cgi
                     54:         ($ENV{'QUERY_STRING'},['form','roledom','sortby']);
                     55:     my $then=$env{'user.login.time'};
1.3     ! raeburn    56:     my $update=$env{'user.update.time'};
        !            57:     if (!$update) {
        !            58:         $update = $then;
        !            59:     }
1.1       raeburn    60:     my (%dcroles,%dom_roles,$earlyout,$domdesc);
1.3     ! raeburn    61:     my $numdc = &Apache::lonroles::check_fordc(\%dcroles,$update,$then);
1.1       raeburn    62:     if ($env{'form.roledom'} ne '') {
                     63:         $domdesc = &Apache::lonnet::domain($env{'form.roledom'});
                     64:         if ($domdesc eq '') {
                     65:             $earlyout = $earlyout = &mt('Invalid domain'); 
                     66:         } elsif ($numdc) {
                     67:             if ($dcroles{$env{'form.roledom'}}) {
                     68:                 %dom_roles = &Apache::lonnet::get_domain_roles($env{'form.roledom'},['au']);
                     69:                 if (keys(%dom_roles) == 0) {
                     70:                     $earlyout = &mt('There are no library servers containing Construction spaces currently in domain: [_1], so you can not assume a co-author role.',$domdesc); 
                     71:                 }
                     72:             } else {
1.2       bisitz     73:                 $earlyout = &mt('You do not have a domain coordinator role in domain: [_1], so you cannot choose a Construction space for which you can assume a co-author role.',$domdesc);
1.1       raeburn    74:             }
                     75:         } else {
1.2       bisitz     76:             $earlyout = &mt('You do not have a domain coordinator role, so you cannot choose a Construction space for which you can assume a co-author role.');
1.1       raeburn    77:         }
                     78:     } else {
                     79:         $earlyout = &mt('Invalid domain'); 
                     80:     }
                     81:     if ($earlyout) {
                     82:         $r->print('<span class="LC_error">'.$earlyout.'</span>');
                     83:         $r->print(&Apache::loncommon::end_page());
                     84:         return OK;
                     85:     }
                     86:     $r->print(<<ENDSCRIPT);
                     87: <script type="text/javascript">
                     88: function username_display_launch(username,domain) {
                     89:     document.location.href = '/adm/'+domain+'/'+username+'/aboutme';
                     90:     return;
                     91: }
                     92: 
                     93: function gochoose(uname) {
                     94:     var coauthorTarget = "ca./$env{'form.roledom'}/"+uname;
                     95:     opener.document.title='Role selected. Please stand by.';
                     96:     opener.status='Role selected. Please stand by.';
                     97:     opener.document.$env{'form.form'}.newrole.value=coauthorTarget
                     98:     opener.document.$env{'form.form'}.submit();
                     99:     self.close();
                    100: }
                    101: </script>
                    102: ENDSCRIPT
                    103:     my $formname = 'pickauthor';
                    104:     my $caller = 'pickauthor';
                    105:     my $context = 'domain';
                    106:     my $format = 'html';
                    107:     my (%userlist,%userinfo);
                    108:     my ($indexhash,$keylist) = &Apache::lonuserutils::make_keylist_array();
                    109:     my ($permission,$allowed) = &Apache::lonuserutils::get_permission($context);
                    110:     $env{'form.roletype'} = 'domain';
                    111:     $env{'form.showrole'} = 'au';
                    112:     foreach my $key (keys(%dom_roles)) {
                    113:         if (ref($dom_roles{$key}) eq 'HASH') {
                    114:             &Apache::lonuserutils::gather_userinfo($context,$format,\%userlist,$indexhash,
                    115:                                                   \%userinfo,$dom_roles{$key},$permission);
                    116:         }
                    117:     }
                    118:     if (keys(%userlist) > 0) {
                    119:         $r->print('<form name="'.$formname.'" action="/adm/pickauthor">');
                    120:         &Apache::lonuserutils::show_users_list($r,$context,$caller,$permission,
                    121:                                                'Any',\%userlist,$keylist,$formname);
                    122:         $r->print('<input type="hidden" name="roledom" value="'.$env{'form.roledom'}.'" />'."\n".
                    123:                   '<input type="hidden" name="form" value="'.$env{'form.form'}.'" /></form>');
                    124:     } else {
                    125:        $r->print(&mt('There are no author roles currently in domain: [_1], so there are no Construction spaces for which you can assume a co-author role.',$domdesc));
                    126:     }
                    127:     $r->print(&Apache::loncommon::end_page());
                    128:     return OK;
                    129: }
                    130: 
                    131: 1;