Annotation of loncom/interface/lonsimplepage.pm, revision 1.105

1.1       www         1: # The LearningOnline Network
                      2: # Simple Page Editor
                      3: #
1.105   ! raeburn     4: # $Id: lonsimplepage.pm,v 1.104 2016/02/26 21:44:39 raeburn Exp $
1.1       www         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: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
                     27: #
                     28: 
                     29: package Apache::lonsimplepage;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::loncommon;
1.60      ehlerst    34: use Apache::lontemplate;
1.1       www        35: use Apache::lonnet;
1.103     raeburn    36: use Apache::lonhtmlgateway;
1.13      www        37: use Apache::lonlocal;
1.14      sakharuk   38: use Apache::lonprintout;
                     39: use Apache::lonxml;
1.40      raeburn    40: use Apache::longroup;
1.94      raeburn    41: use Apache::lonnavmaps();
1.47      albertel   42: use HTML::Entities();
1.44      raeburn    43: use LONCAPA;
1.1       www        44: 
1.51      albertel   45: sub get_db_name {
1.102     raeburn    46:     my ($url,$marker,$cdom,$cnum) = @_;
                     47:     my ($udom,$uname,$timemark)=(split(m{/},$url))[2,3,4];
                     48:     if ($marker eq '') {
                     49:         $marker = $timemark;
                     50:     }
                     51:     if (($cdom eq '') || ($cnum eq '')) {
                     52:         $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                     53:         $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                     54:     }
1.51      albertel   55:     my $db_name;
                     56: 
1.102     raeburn    57:     if ($cdom && $cnum && ($udom eq $cdom) && ($uname eq $cnum)) {
1.82      amueller   58:         $marker =~ s/\W//g;
                     59:         $db_name = 'grppage_'.$marker;
1.51      albertel   60:     } else {
1.82      amueller   61:         $marker=~s/\D//g;
1.51      albertel   62:         $db_name = 'smppage_'.$marker;
                     63:     }
                     64:     return if (!defined($marker));
                     65:     return $db_name;
                     66: }
                     67: 
1.1       www        68: sub handler {
                     69:     my $r = shift;
1.24      albertel   70:     &Apache::loncommon::content_type($r,'text/html');
1.1       www        71:     $r->send_http_header;
                     72:     return OK if $r->header_only;
1.25      albertel   73:     my $target=$env{'form.grade_target'};
1.1       www        74: # ------------------------------------------------------------ Print the screen
1.34      albertel   75:     if ($target eq 'tex') {
1.82      amueller   76:         $r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
1.78      bisitz     77:     }
1.51      albertel   78: 
1.1       www        79: # Is this even in a course?
1.25      albertel   80:     unless ($env{'request.course.id'}) {
1.82      amueller   81:         if ($target ne 'tex') {
                     82:             &Apache::loncommon::simple_error_page($r,'','Not in a course');
                     83:         } else {
                     84:             $r->print('\textbf{Not in a course}\end{document}');
                     85:         }
                     86:         return OK;
1.1       www        87:     }
                     88: 
1.102     raeburn    89:     my $marker = (split(m{/},$r->uri))[4];
                     90:     my $db_name = &get_db_name($r->uri,$marker);
1.51      albertel   91: 
1.28      raeburn    92:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                     93:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
1.99      raeburn    94:     my ($group,$group_desc);
                     95: 
1.28      raeburn    96:     my %curr_group = ();
                     97:     my %groupinfo = ();
1.51      albertel   98:     if ($db_name =~ /^grppage_/) {
1.102     raeburn    99:         $group = $marker;
1.82      amueller  100:         $group =~ s/\W//g;
1.43      raeburn   101:         my %curr_groups = &Apache::longroup::coursegroups($dom,$crs,$group);
1.39      albertel  102:         if (!%curr_groups) {
1.82      amueller  103:             &Apache::loncommon::simple_error_page($r,'','Invalid group name');
                    104:             return OK;
1.28      raeburn   105:         }
1.78      bisitz    106:         %groupinfo =
1.82      amueller  107:         &Apache::longroup::get_group_settings($curr_groups{$group});
1.45      raeburn   108:         $group_desc = &unescape($groupinfo{'description'});
1.28      raeburn   109:     }
1.1       www       110: 
1.51      albertel  111:     if (!$db_name) {
1.82      amueller  112:         &Apache::loncommon::simple_error_page($r,'','Invalid call');
                    113:         return OK;
1.1       www       114:     }
                    115: 
                    116: # --------------------------------------------------------- The syllabus fields
1.13      www       117:     my %syllabusfields=&Apache::lonlocal::texthash(
1.1       www       118:        'aaa_title'         => 'Page Title',
1.98      www       119:        'bbb_content'       => ($target eq 'tex'?'':'Content'),
1.1       www       120:        'ccc_webreferences' => 'Web References');
1.43      raeburn   121:     if ($group ne '') {
1.45      raeburn   122:         $syllabusfields{'abb_links'} = &mt('Available Group Tools');
1.28      raeburn   123:     }
1.1       www       124: 
1.7       www       125: 
                    126: # ------------------------------------------------------------ Get query string
                    127:     &Apache::loncommon::get_unprocessed_cgi
1.101     raeburn   128:                         ($ENV{'QUERY_STRING'},['forceedit','todocs',
1.44      raeburn   129:                                                'register','ref']);
1.1       www       130: # --------------------------------------------------------------- Force Student
1.99      raeburn   131:     my ($forceedit,$forcestudent);
                    132:     $forceedit = $env{'form.forceedit'};
                    133:     if (!$forceedit) {
                    134:         $forcestudent=1;
                    135:     }
1.1       www       136: 
1.45      raeburn   137:     my $refarg;
                    138:     if ($env{'form.ref'}) {
                    139:         $refarg = '&ref='.$env{'form.ref'};
                    140:     }
1.78      bisitz    141: 
1.51      albertel  142:     my %syllabus=&Apache::lonnet::dump($db_name,$dom,$crs);
1.78      bisitz    143: 
1.1       www       144: # --------------------------------------- There is such a user, get environment
1.100     raeburn   145:     my ($registered,$group_view_perm,$group_edit_perm,$group_home_view,
                    146:         $group_home_edit,$has_group_access);
                    147:     my $brcrum = [];
                    148:     if ($group eq '') {
                    149:         $registered = $env{'form.register'};
                    150:     } else {
                    151:         unless ($env{'form.ref'} eq 'grouplist') {
                    152:             $registered = $env{'form.register'};
                    153:         }
1.99      raeburn   154:         $group_view_perm =
1.45      raeburn   155:                &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.
                    156:                ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
                    157:         $group_edit_perm =
                    158:                &Apache::lonnet::allowed('mdg',$env{'request.course.id'}.
                    159:                ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
                    160:         $group_home_view = &Apache::lonnet::allowed('vgh',
                    161:                                          $env{'request.course.id'}.'/'.$group);
                    162:         $group_home_edit = &Apache::lonnet::allowed('mgh',
                    163:                                          $env{'request.course.id'}.'/'.$group);
1.78      bisitz    164:         if ($group_view_perm || $group_edit_perm || $group_home_view ||
1.45      raeburn   165:             $group_home_edit || &Apache::longroup::check_group_access($group)) {
1.99      raeburn   166:             $has_group_access = 1;
1.95      raeburn   167:             if (($env{'form.ref'} eq 'grouplist') && ($target ne 'tex') &&
1.100     raeburn   168:                 (!$registered)) {
1.99      raeburn   169:                 $brcrum = &grouppage_breadcrumbs($dom,$crs,$group,$group_desc);
1.45      raeburn   170:             }
1.99      raeburn   171:         }
                    172:     }
                    173: 
                    174:     if ($target ne 'tex') {
1.100     raeburn   175:         my $title = ($group eq '')? 'Simple Course Page':'Simple Group Page';
1.99      raeburn   176:         my $start_page =
                    177:         &Apache::loncommon::start_page($title,undef,
                    178:                        {'domain'         => $dom,
                    179:                         'group'          => $group,
                    180:                         'bread_crumbs'   => $brcrum,
1.100     raeburn   181:                         'force_register' => $registered,
1.99      raeburn   182:                        }); 
                    183:         $r->print($start_page);
                    184:     }
                    185: 
                    186:     if ($group ne '') {
                    187:         if ($has_group_access) {
1.78      bisitz    188:             if ((!$group_home_edit) && (!$group_home_view) &&
1.49      raeburn   189:                 (!$group_view_perm) && (!$group_edit_perm)) {
1.104     raeburn   190:                 $r->print(&Apache::longroup::display_group_links($r,$env{'form.grade_target'},$group,
                    191:                                                            'view',$refarg,undef,undef,%groupinfo));
1.49      raeburn   192:                 if ($env{'form.grade_target'} ne 'tex') {
                    193:                     $r->print(&Apache::loncommon::end_page());
                    194:                 } else {
                    195:                     $r->print('\end{document}');
                    196:                 }
1.28      raeburn   197:                 return OK;
                    198:             }
                    199:         } else {
1.82      amueller  200:             my $msg =
                    201:             &mt('You do not currently have rights to view this group.');
1.28      raeburn   202:             if ($target ne 'tex') {
1.84      bisitz    203:                 $r->print('<p class="LC_warning">'.$msg.'</p>'.
1.82      amueller  204:                 &Apache::loncommon::end_page());
1.28      raeburn   205:             } else {
1.35      albertel  206:                 $r->print('\textbf{'.$msg.'}\end{document}');
1.28      raeburn   207:             }
1.82      amueller  208:             return OK;
1.28      raeburn   209:         }
1.78      bisitz    210:         my ($blocked,$blocktext) =
1.49      raeburn   211:              &Apache::loncommon::blocking_status('groups');
                    212:         if ($blocked) {
                    213:             $r->print($blocktext);
                    214:             $r->print(&Apache::loncommon::end_page());
                    215:             return OK;
                    216:         }
1.14      sakharuk  217:     }
1.1       www       218: 
1.28      raeburn   219:     my $allowed;
1.78      bisitz    220: 
1.43      raeburn   221:     if ($group ne '') {
1.45      raeburn   222:         $allowed  = $group_edit_perm;
1.42      raeburn   223:         if (!$allowed) {
1.78      bisitz    224:             $allowed = $group_home_edit;
1.28      raeburn   225:         }
1.78      bisitz    226:     } else {
1.28      raeburn   227:         $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
                    228:     }
1.1       www       229: 
1.18      sakharuk  230:     if ($forcestudent or $target eq 'tex') { $allowed=0; }
1.78      bisitz    231: 
1.25      albertel  232:     if (($env{'form.uploaddoc.filename'} and $target ne 'tex') &&
1.82      amueller  233:     ($env{'form.storeupl'}) && ($allowed)) {
                    234:         if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
                    235:             if ($syllabus{'uploaded.photourl'}) {
                    236:                 &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    237:             }
1.45      raeburn   238:             if ($group ne '') {
1.28      raeburn   239:                 $syllabus{'uploaded.photourl'}=&Apache::lonnet::userfileupload(
1.102     raeburn   240:                                               'uploaddoc','coursedoc',
                    241:                                               "grouppage/$group");
1.28      raeburn   242:             } else {
1.82      amueller  243:                 $syllabus{'uploaded.photourl'}=
1.102     raeburn   244:                 &Apache::lonnet::userfileupload('uploaddoc','coursedoc',
                    245:                                                 "simplepage/$marker");
1.28      raeburn   246:             }
1.82      amueller  247:         }
                    248:         $syllabus{'uploaded.lastmodified'}=time;
                    249:         &Apache::lonnet::put($db_name,\%syllabus,$dom,$crs);
1.18      sakharuk  250:     }
1.87      amueller  251: #    if ($allowed && $env{'form.delupl'}) {
                    252: #        if ($syllabus{'uploaded.photourl'}) {
                    253: #            &Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
                    254: #            delete($syllabus{'uploaded.photourl'});
                    255: #            &Apache::lonnet::del('simplepage',['uploaded.photourl']);
                    256: #        }
                    257: #    }
1.25      albertel  258:     if (($allowed) && ($env{'form.storesyl'})) {
1.82      amueller  259:         foreach my $syl_field (keys(%syllabusfields)) {
                    260:             my $field=$env{'form.'.$syl_field};
                    261:             chomp($field);
1.103     raeburn   262:             my $gateway = Apache::lonhtmlgateway->new();
                    263:             $field = $gateway->process_incoming_html($field,1);
1.82      amueller  264:             $syllabus{$syl_field}=$field;
                    265:         }
                    266:         $syllabus{'uploaded.lastmodified'}=time;
                    267:         &Apache::lonnet::put($db_name,\%syllabus,$dom,$crs);
1.18      sakharuk  268:     }
1.1       www       269: 
1.84      bisitz    270: #---Print help Text
                    271:     if($target ne 'tex'){
                    272:         if ($allowed) {
                    273:             $r->print(&Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes',&mt('Help with filling in text boxes')));
1.81      amueller  274:         }
                    275:     }
1.72      neumanie  276: 
                    277: # ---------------------------------------------------------------- Get syllabus
1.78      bisitz    278:     if ((($syllabus{'uploaded.lastmodified'}) &&
                    279:          (($group ne '' && ($group_home_view || $group_edit_perm ||
1.72      neumanie  280:            $group_view_perm)) || ($group eq ''))) || ($allowed)) {
1.88      amueller  281:         #Print the title
1.91      faziophi  282:         my $titletext=&HTML::Entities::encode($syllabus{'aaa_title'},'<>&"');
1.88      amueller  283:         if ($target ne 'tex') {
                    284:             if ($allowed) {
                    285:             }
                    286:             $r->print('<h2>'.$titletext.'</h2>');
                    287:         } else {
                    288:             my $safeinit;
                    289:             $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$titletext.'</h1>'));
                    290:         }
                    291:         if ($allowed) {
                    292:             if ($env{'form.grade_target'} ne 'tex') {
                    293:                 #editbox for title
1.99      raeburn   294:                 $r->print('<form method="post" action="" enctype="multipart/form-data">'."\n".
1.100     raeburn   295:                           '<input type="hidden" register="'.$registered.'" />');
1.91      faziophi  296: 				&Apache::lontemplate::print_start_template($r,&mt('Title'),'LC_Box');
                    297: 				$r->print($titletext);
                    298: 				$r->print("<br /><div>");
                    299: 				&Apache::lontemplate::print_textarea_template($r, $syllabus{'aaa_title'},
                    300: 					'aaa_title', Apache::lontemplate->RICH_TEXT_ALWAYS_OFF);
                    301: 				&Apache::lontemplate::print_saveall_template($r);
                    302: 				$r->print("</div>");
                    303: 				&Apache::lontemplate::print_end_template($r);
1.88      amueller  304:             } else {
                    305:                 my $safeinit;
                    306:                 $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{'aaa_title'},$safeinit));
                    307:             }
                    308:         }
                    309: 
                    310:         #print the image
1.92      wenzelju  311:         my $image='';
1.82      amueller  312:         if ($syllabus{'uploaded.photourl'}) {
                    313:             &Apache::lonnet::allowuploaded('/adm/smppg',
                    314:                     $syllabus{'uploaded.photourl'});
1.78      bisitz    315: 
1.85      bisitz    316:             $image='<img src="'.$syllabus{'uploaded.photourl'}
                    317:                   .'" alt="'.&mt('Image').'" />';
1.82      amueller  318:             if ($target eq 'tex') {
                    319:                 $image=&Apache::lonxml::xmlparse($r,'tex',$image);
1.72      neumanie  320:             }
                    321:         }
1.78      bisitz    322: 
1.82      amueller  323:         if ($allowed) {
1.92      wenzelju  324:             &Apache::lontemplate::print_start_template($r, &mt('Upload a Photo'),'LC_Box');
                    325:             $r->print($image);
                    326:             $r->print("<br /><br />");
                    327:             $r->print(
                    328:                 '<input type="hidden" name="forceedit" value="edit" />'.
                    329:                 '<input type="file" name="uploaddoc" size="50" />'.
                    330:                 '<input type="submit" name="storeupl" value="'.&mt('Upload').'" />'.
                    331:                 '<input type="hidden" name="forceedit" value="edit" />');
                    332:             &Apache::lontemplate::print_end_template($r);
                    333:     
1.89      amueller  334: 
1.87      amueller  335: #            if ($syllabus{'uploaded.photourl'}) {
                    336: #                $r->print('<input type="submit" name="delupl"'
                    337: #                         .' value="'.&mt('Delete Photo').'" />');
                    338: #            }
1.81      amueller  339:         }
1.92      wenzelju  340:         #Image in Student view and printout.
                    341:         else {
                    342:             $r->print($image);
1.79      amueller  343:         }
1.93      faziophi  344:        	
                    345:         my $links_handler = sub { 
                    346:         	my ($r, $field, $message, $group, $data_ref, $fields_ref, $target, $allowed) = @_;
                    347: 			if ($group ne '') {
                    348: 				my %data = %{$data_ref};
                    349: 				my %fields = %{$fields_ref};
                    350: 				$r->print('<br /><input type="hidden" name="'.$field.
                    351: 					'" value="'.$data{$field}.'" />');
1.104     raeburn   352:                                 $r->print(&Apache::longroup::display_group_links($r,$target,$group,'edit',
                    353: 				                                                 $refarg,undef,undef,%groupinfo));
1.93      faziophi  354: 				$r->print('<br />');
                    355: 			}
                    356:         };
                    357:         my $title_handler = sub {};
                    358: 		my %custom_handlers = (
                    359: 			'abb_links' => $links_handler,
                    360: 			'aaa_title' => $title_handler
                    361: 		);
                    362: 		&Apache::lontemplate::print_template_fields($r, \%syllabus, \%syllabusfields, 
                    363: 			$target, $allowed, Apache::lontemplate->RICH_TEXT_DETECT_HTML, \%custom_handlers, $group);
                    364: 		
1.82      amueller  365:         if ($allowed && ($env{'form.grade_target'} ne 'tex')) {
1.96      raeburn   366:             $r->print(&Apache::lonhtmlcommon::htmlareaselectactive().
                    367:                       '</form>');
1.82      amueller  368:         }
1.81      amueller  369: 
1.1       www       370:     } else {
1.45      raeburn   371:         if ($group ne '') {
1.104     raeburn   372:             $r->print(&Apache::longroup::display_group_links($r,$target,$group,'view',$refarg,undef,undef,%groupinfo));
1.45      raeburn   373:         } else {
1.84      bisitz    374:             my $text=&mt('No page information provided.');
                    375:             if ($target ne 'tex') {
                    376:                 $r->print('<p class="LC_info">'.$text.'</p>');
                    377:             } else {
                    378:             $r->print($text)
                    379:             }
1.45      raeburn   380:         }
1.1       www       381:     }
1.25      albertel  382:     if ($env{'form.grade_target'} ne 'tex') {
1.81      amueller  383:         $r->print(&Apache::loncommon::end_page());
1.14      sakharuk  384:     } else {
1.82      amueller  385:         $r->print('\end{document}');
1.14      sakharuk  386:     }
1.1       www       387:     return OK;
1.28      raeburn   388: }
                    389: 
1.44      raeburn   390: sub grouppage_breadcrumbs {
1.45      raeburn   391:     my ($cdom,$cnum,$group,$description) = @_;
1.44      raeburn   392:     &Apache::lonhtmlcommon::clear_breadcrumbs();
1.99      raeburn   393:     return [{href=>"/adm/coursegroups",
                    394:              text=>"Groups",
                    395:              title=>"Display Groups"},
                    396:             {href=>"/adm/$cdom/$cnum/$group/smppg?ref=grouplist",
1.105   ! raeburn   397:              text=>&mt('Group').": $description",
        !           398:              title=>&mt("Go to group's home page"),
        !           399:              no_mt=>1}},
1.99      raeburn   400:            ];
1.44      raeburn   401: }
1.1       www       402: 
                    403: 1;
                    404: __END__

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