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Not used any more.

    1: # The LearningOnline Network
    2: # Simple Page Editor
    3: #
    4: # $Id: lonsimplepage.pm,v 1.33 2006/03/16 21:30:00 raeburn Exp $
    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;
   34: use Apache::lonnet;
   35: use Apache::lontexconvert;
   36: use Apache::lonfeedback;
   37: use Apache::lonlocal;
   38: use Apache::lonprintout;
   39: use Apache::lonxml;
   40: 
   41: sub error {
   42:     my ($r,$msg) = @_;
   43:     $r->print(&Apache::loncommon::endheadtag().
   44: 	      &Apache::loncommon::bodytag().
   45: 	      &mt($msg).
   46: 	      &Apache::loncommon::end_page());
   47:     return OK;
   48: }
   49: 
   50: sub handler {
   51:     my $r = shift;
   52:     &Apache::loncommon::content_type($r,'text/html');
   53:     $r->send_http_header;
   54:     return OK if $r->header_only;
   55:     my $target=$env{'form.grade_target'};
   56: # ------------------------------------------------------------ Print the screen
   57:     if ($target ne 'tex') {
   58: 	$r->print(&Apache::lonxml::xmlbegin().
   59: 		  &Apache::loncommon::headtag());
   60:     } else {
   61: 	$r->print(&Apache::lonprintout::print_latex_header($env{'form.latex_type'}));
   62:     } 
   63:     my (undef,undef,undef,undef,$marker,$caller)=split(/\//,$r->uri);
   64: # Is this even in a course?
   65:     unless ($env{'request.course.id'}) {
   66: 	if ($target ne 'tex') {
   67: 	    return &error($r,'Not in a course');
   68: 	} else {
   69: 	    $r->print('\textbf{Not in a course}\end{document}');
   70: 	}
   71:     }
   72: 
   73:     my $dom = $env{'course.'.$env{'request.course.id'}.'.domain'};
   74:     my $crs = $env{'course.'.$env{'request.course.id'}.'.num'};
   75:     my $grp_view_permission = &Apache::lonnet::allowed('vcg',
   76:                                                    $env{'request.course.id'});
   77:     my $namespace;
   78: 
   79:     my %curr_group = ();
   80:     my %groupinfo = ();
   81:     if ($caller eq 'grppg') {
   82:         $marker =~ s/\W//g;
   83:         $namespace = 'grppage_'.$marker;
   84:         my %curr_groups;
   85:         if (!&Apache::loncommon::coursegroups(\%curr_groups,$dom,$crs,$marker)) {
   86: 	    return &error($r,'Invalid group name');
   87:         }
   88:         %groupinfo = &Apache::loncommon::get_group_settings($curr_groups{$marker});
   89:     } else {  
   90:         $marker=~s/\D//g;
   91:         $namespace = 'smppage_'.$marker;
   92:     }
   93: 
   94:     if (!$marker) {
   95: 	return &error($r,'Invalid call');
   96:     }
   97: 
   98: # --------------------------------------------------------- The syllabus fields
   99:     my %syllabusfields=&Apache::lonlocal::texthash(
  100:        'aaa_title'         => 'Page Title',
  101:        'bbb_content'       => 'Content',
  102:        'ccc_webreferences' => 'Web References');
  103:     if ($caller eq 'grppg') {
  104:         $syllabusfields{'abb_links'} = &mt('Functionality');
  105:     }
  106: 
  107: 
  108: # ------------------------------------------------------------ Get query string
  109:     &Apache::loncommon::get_unprocessed_cgi
  110:                         ($ENV{'QUERY_STRING'},['forcestudent','forceedit','register']);
  111: # ----------------------------------------------------- Force menu registration
  112:     my $addentries='';
  113:     if ($env{'form.register'}) {
  114:        $addentries=' onLoad="'.&Apache::lonmenu::loadevents().
  115: 	   '" onUnload="'.&Apache::lonmenu::unloadevents().'"';
  116:        $r->print(&Apache::lonmenu::registerurl(1));
  117:     }
  118: # --------------------------------------------------------------- Force Student
  119:     my $forcestudent='';
  120:     if ($env{'form.forcestudent'} || $target eq 'tex' ) { $forcestudent='student'; };
  121:      my $forceedit='';
  122:      if ($env{'form.forceedit'}) { $forceedit='edit'; }
  123: 
  124:    
  125:     my %syllabus=&Apache::lonnet::dump($namespace,$dom,$crs);
  126:        
  127: # --------------------------------------- There is such a user, get environment
  128: 
  129:     if ($target ne 'tex') {
  130:         my $title = 'Course Page';
  131:         if ($caller eq 'grppg') {
  132:             $title = 'Group Page';
  133:         }
  134: 	$r->print(&Apache::lonhtmlcommon::htmlareaheaders().
  135: 		  &Apache::loncommon::endheadtag().
  136: 		  &Apache::loncommon::bodytag($title,$forcestudent,$addentries,
  137: 					      '',$dom,$env{'form.register'}));
  138:     }
  139: 
  140:     if ($caller eq 'grppg') {
  141:         if (($grp_view_permission) || 
  142:                            (&Apache::loncommon::check_group_access($caller))) {
  143:             unless(&Apache::lonnet::allowed('vgh',
  144:                                       $env{'request.course.id'}.'/'.$marker)) {
  145:                 &display_group_links($r,$target,$marker,'view',%groupinfo);
  146:                 return OK;
  147:             }
  148:         } else {
  149:             if ($target ne 'tex') {
  150:                 $r->print(&Apache::loncommon::endheadtag().
  151: 			  &Apache::loncommon::bodytag().
  152: 			  'You do not currently have rights to view this group.'.
  153: 			  &Apache::loncommon::end_page());
  154:                 return OK;
  155:             } else {
  156:                 $r->print('\textbf{You do not currently have rights to view this group}\end{document}');
  157:             }
  158:         }
  159:     }
  160: 
  161:     my $allowed;
  162:     if ($caller eq 'grppg') {
  163:         $allowed  = $grp_view_permission;
  164:         unless ($allowed) {
  165:             $allowed = &Apache::lonnet::allowed('mgh',$env{'request.course.id'}.
  166:                                                                   '/'.$marker);
  167:         }
  168:     } else { 
  169:         $allowed=&Apache::lonnet::allowed('mdc',$env{'request.course.id'});
  170:     }
  171:     my $privileged=$allowed;
  172:     if (($syllabus{'uploaded.lastmodified'}) && (!$forceedit)) {
  173: 	$forcestudent='student';
  174:     }
  175: 
  176:     if ($forcestudent or $target eq 'tex') { $allowed=0; }
  177:     
  178:     if ($allowed) {
  179: 	$r->print('<p>'.
  180: 		  &Apache::loncommon::help_open_topic('Uploaded_Templates_TextBoxes','Help with filling in text boxes').'<br /><a href="'.$r->uri.'?forcestudent=1"><font size="+1">'.&mt('Show Student View').'</font></a>'.
  181: 		  &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
  182:     } elsif ($privileged and $target ne 'tex') {
  183: 	$r->print('<a href="'.$r->uri.'?forceedit=edit"><font size="+1">'.&mt('Edit').'</font></a>');
  184:     } 
  185:     if (($env{'form.uploaddoc.filename'} and $target ne 'tex') &&
  186: 	($env{'form.storeupl'}) && ($allowed)) {
  187: 	if ($env{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/i) {
  188: 	    if ($syllabus{'uploaded.photourl'}) {
  189: 		&Apache::lonnet::removeuploadedurl($syllabus{'uploaded.photourl'});
  190: 	    }
  191:             if ($caller eq 'grppage') {
  192:                 $syllabus{'uploaded.photourl'}=&Apache::lonnet::userfileupload(
  193:                                               'uploaddoc',1,"grouppage/$marker");
  194:             } else {
  195: 	        $syllabus{'uploaded.photourl'}=
  196: 		     &Apache::lonnet::userfileupload('uploaddoc',1,'simplepage');
  197:             }
  198: 	}
  199: 	$syllabus{'uploaded.lastmodified'}=time;
  200: 	&Apache::lonnet::put($namespace,\%syllabus,$dom,$crs);
  201:     }
  202:     if (($allowed) && ($env{'form.storesyl'})) {
  203: 	foreach (keys %syllabusfields) {
  204: 	    my $field=$env{'form.'.$_};
  205: 	    chomp($field);
  206: 	    $field=~s/\s+$//s;
  207: 	    $field=~s/^\s+//s;
  208: 	    $field=~s/\<br\s*\/*\>$//s;
  209: 	    $field=&Apache::lonfeedback::clear_out_html($field,1);
  210: 	    $syllabus{$_}=$field;
  211: 	}
  212: 	$syllabus{'uploaded.lastmodified'}=time;
  213: 	&Apache::lonnet::put($namespace,\%syllabus,$dom,$crs);
  214:     }
  215: 
  216: # ---------------------------------------------------------------- Get syllabus
  217:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
  218: 	if ($syllabus{'uploaded.photourl'}) {
  219: 	    &Apache::lonnet::allowuploaded('/adm/'.$caller,
  220: 					   $syllabus{'uploaded.photourl'});
  221: 	    
  222: 	    my $image='<img src="'.$syllabus{'uploaded.photourl'}.'"
  223:                             align="right" />';
  224: 	    if ($target eq 'tex') {
  225: 		$image=&Apache::lonxml::xmlparse($r,'tex',$image);
  226: 	    }
  227: 	    $r->print($image);
  228: 	}
  229: 	if ($allowed) {
  230: 	    $r->print(
  231: 		      '<form method="post" enctype="multipart/form-data">'.
  232: 		      '<input type="hidden" name="forceedit" value="edit" />'.
  233: 		      '<h3>Upload a Photo</h3>'.
  234: 		      '<input type="file" name="uploaddoc" size="50">'.
  235: 		      '<input type="submit" name="storeupl" value="Upload">'.
  236: 		      '</form><form method="post">');
  237: 	}
  238: 	foreach (sort keys %syllabusfields) {
  239: 	    if (($syllabus{$_}) || ($allowed)) {
  240: 		my $message=$syllabus{$_};
  241: 		&Apache::lonfeedback::newline_to_br(\$message);
  242: 		$message
  243: 		    =~s/(https*\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
  244: 		if ($allowed) {
  245: 		    $message=&Apache::lonspeller::markeduptext($message);
  246: 		}
  247: 		$message=&Apache::lontexconvert::msgtexconverted($message);
  248:                 if ($_ eq 'abb_links' && $caller eq 'grppg') {
  249:                     $r->print('<br /><input type="hidden" name="'.$_.
  250:                                           '" value="'.$syllabus{$_}.'" />');
  251:                     &display_group_links($r,$target,$marker,'edit',%groupinfo);
  252:                     $r->print('<br />');
  253:                 } elsif ($_ eq 'aaa_title') {
  254:                     if ($target ne 'tex') {
  255:                         $r->print('<h1>'.$message.'</h1>');
  256:                     } else {
  257:                         my $safeinit;
  258:                         $r->print(&Apache::lonxml::xmlparse($r,'tex','<h1>'.$message.'</h1>'));
  259:                     }
  260:                     if ($allowed) {
  261:                         if ($env{'form.grade_target'} ne 'tex') {
  262:                             $r->print(
  263:                                       '<br />Title<br /><textarea cols="80" rows="2" name="'.$_.'">'.
  264:                                       $syllabus{$_}.
  265:                                       '</textarea><input type="submit" name="storesyl" value="Store" />');
  266:                         } else {
  267:                             my $safeinit;
  268:                             $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
  269:                         }
  270:                     }
  271:                 } else {
  272: 		    if (($_ ne 'bbb_content') || ($allowed)) {
  273: 			if ($target ne 'tex') {
  274: 			    $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
  275: 			} else {
  276: 			    my $safeinit;
  277: 			    $r->print(&Apache::lonxml::xmlparse($r,'tex','<h3>'.$syllabusfields{$_}.'</h3>'));
  278: 			}
  279: 		    }
  280: 		    if ($target ne 'tex') {
  281: 			$r->print('<blockquote>'.
  282: 				  $message.'</blockquote>');
  283: 		    } else {
  284: 			my $safeinit;
  285: 			$r->print(&Apache::lonxml::xmlparse($r,'tex',$message));
  286: 		    }
  287: 		    if ($allowed) {
  288: 			if ($target ne 'tex') {
  289: 			    $r->print('<br /><textarea cols="80" rows="24" name="'.$_.'" id="'.$_.'">'.
  290: 				      $syllabus{$_}.
  291: 				      '</textarea><input type="submit" name="storesyl" value="Store" />');
  292: 			} else {
  293: 			    my $safeinit;
  294: 			    $r->print(&Apache::lonxml::xmlparse($r,'tex',$syllabus{$_},$safeinit));
  295: 			}
  296: 		    }
  297: 		}
  298: 	    }
  299: 	}
  300: 	if ($allowed && ($env{'form.grade_target'} ne 'tex')) {
  301: 	    $r->print(&Apache::lonhtmlcommon::htmlareaselectactive
  302: 		      ('bbb_content').'</form>');
  303: 	}
  304: 	if ($env{'form.grade_target'} ne 'tex') {$r->print('</p>');}
  305:     } else {
  306: 	$r->print('<p>No page information provided.</p>');
  307:     }
  308:     if ($env{'form.grade_target'} ne 'tex') {
  309: 	$r->print(&Apache::loncommon::end_page());
  310:     } else {
  311: 	$r->print('\end{document}');
  312:     }
  313:     return OK;
  314: }
  315: 
  316: sub display_group_links {
  317:     my ($r,$target,$marker,$context,%groupinfo) = @_;
  318:     my @available = ();
  319:     my %menu = ();
  320:     %{$menu{'email'}} = (
  321:                         text => 'Group e-mail',
  322:                         href => '/adm/email?group='.$marker,
  323:                       );
  324:     %{$menu{'discussion'}} = (
  325:                         text => 'Discussion Boards',
  326:                         href => '/adm/groupboards?group='.$marker,
  327:                       );
  328:     %{$menu{'chat'}} = (
  329:                         text => 'Group chat',
  330:                         href => "javascript:group_chat('$marker')",
  331:                       );
  332:     %{$menu{'files'}} = (
  333:                         text => 'File repository',
  334:                         href => '/adm/portfolio?group='.$marker,
  335:                       );
  336:     %{$menu{'roster'}} = (
  337:                         text => 'Membership roster',
  338:                         href => '/adm/grouproster?group='.$marker,
  339:                       );
  340:     foreach my $tool (sort(keys(%menu))) {
  341:         if ($groupinfo{functions}{$tool} eq 'on') {
  342:             push(@available,$tool);
  343:         }
  344:     }
  345:     if (@available > 0) {
  346:         my $output = '<table cellspacing="4" cellpadding="4"><tr>';
  347:         foreach my $tool (@available) {
  348:             if ($target eq 'tex') {
  349:                 $output .= '<td>'.$menu{$tool}{text}.'</td>';
  350:             } else {
  351:                 $output .= '<td><a href="'.$menu{$tool}{href}.'">'.
  352:                            $menu{$tool}{text}.'</a></td>';
  353:             }
  354:         }
  355:         $output .= '</tr></table>';
  356:         if ($target eq 'tex') {
  357:             $r->print(&Apache::lonxml::xmlparse($r,'tex','Available functions<br /><br />'.$output));
  358:         } else {
  359:             $r->print('<h3>Functions</h3>'.$output);
  360:         }
  361:     } else {
  362:         my $output;
  363:         if ($context eq 'edit') {
  364:             $output = 'No group functionality';
  365:         } else {  
  366:             $output = 'No group functionality (e.g., e-mail, discussion, chat or file upload) is currently available to you in this group: '.$marker;
  367:         }
  368:         if ($target eq 'tex') {
  369:             $r->print(&Apache::lonxml::xmlparse($r,'tex',$output));
  370:         } else {
  371:             $r->print($output);
  372:         }
  373:     }
  374: }
  375:  
  376: 
  377: 1;
  378: __END__