File:  [LON-CAPA] / loncom / interface / lonsimplepage.pm
Revision 1.4: download - view: text, annotated - select for diffs
Mon Feb 10 16:22:28 2003 UTC (21 years, 4 months ago) by www
Branches: MAIN
CVS tags: HEAD
Bug #1019.
Allow limited HTML in templates.

    1: # The LearningOnline Network
    2: # Simple Page Editor
    3: #
    4: # $Id: lonsimplepage.pm,v 1.4 2003/02/10 16:22:28 www 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: 
   37: sub handler {
   38:     my $r = shift;
   39:     $r->content_type('text/html');
   40:     $r->send_http_header;
   41:     return OK if $r->header_only;
   42: 
   43: # ------------------------------------------------------------ Print the screen
   44:     $r->print(<<ENDDOCUMENT);
   45: <html>
   46: <head>
   47: <title>The LearningOnline Network with CAPA</title>
   48: </head>
   49: ENDDOCUMENT
   50:     my (undef,undef,undef,undef,$marker)=split(/\//,$r->uri);
   51: # Is this even in a course?
   52:     unless ($ENV{'request.course.id'}) {
   53: 	$r->print('<body>Not in a course</body>');
   54:         return OK;
   55:     }
   56: 
   57:     $marker=~s/\D//g;
   58: 
   59:     unless ($marker) {
   60: 	$r->print('<body>Invalid call</body>');
   61:         return OK;
   62:     }
   63: 
   64:     my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
   65:     my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'};
   66: 
   67: # --------------------------------------------------------- The syllabus fields
   68:     my %syllabusfields=(
   69:        'aaa_title'         => 'Page Title',
   70:        'bbb_content'       => 'Content',
   71:        'ccc_webreferences' => 'Web References');
   72: 
   73: # --------------------------------------------------------------- Force Student
   74:     &Apache::loncommon::get_unprocessed_cgi
   75:                                        ($ENV{'QUERY_STRING'},['forcestudent']);
   76:     my $forcestudent='';
   77:     if ($ENV{'form.forcestudent'}) { $forcestudent='student'; };
   78: 
   79:     my %syllabus=&Apache::lonnet::dump('smppage_'.$marker,$dom,$crs);
   80:        
   81: # --------------------------------------- There is such a user, get environment
   82: 
   83:     $r->print(&Apache::loncommon::bodytag
   84:             ("Course Page",$forcestudent,'','',$dom));
   85: 
   86:     my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
   87: 
   88:        if ($forcestudent) { $allowed=0; }
   89:  
   90:        if ($allowed) {
   91:           $r->print(
   92: 	  '<p><a href="'.$r->uri.'?forcestudent=1">Show Public View</a>'.
   93:  &Apache::loncommon::help_open_topic('Uploaded_Templates_PublicView').'</p>');
   94:       }
   95:       if (($ENV{'form.uploaddoc.filename'}) &&
   96:           ($ENV{'form.storeupl'}) && ($allowed)) {
   97:  	  if ($ENV{'form.uploaddoc.filename'}=~/\.(gif|jpg|png|jpeg)$/) {
   98:              $syllabus{'uploaded.photourl'}=
   99:                  &Apache::lonnet::userfileupload('uploaddoc',1);
  100:  	  }
  101:           $syllabus{'uploaded.lastmodified'}=time;
  102:           &Apache::lonnet::put('smppage_'.$marker,\%syllabus,$dom,$crs);
  103:        }
  104:        if (($allowed) && ($ENV{'form.storesyl'})) {
  105: 	   foreach (keys %syllabusfields) {
  106:                my $field=$ENV{'form.'.$_};
  107:                $field=~s/\s+$//s;
  108:                $field=&Apache::lonfeedback::clear_out_html($field,1);
  109: 	       $syllabus{$_}=$field;
  110:            }
  111:            $syllabus{'uploaded.lastmodified'}=time;
  112:            &Apache::lonnet::put('smppage_'.$marker,\%syllabus,$dom,$crs);
  113:        }
  114: 
  115: # ---------------------------------------------------------------- Get syllabus
  116:     if (($syllabus{'uploaded.lastmodified'}) || ($allowed)) {
  117:        if ($syllabus{'uploaded.photourl'}) {
  118: 	   $r->print('<img src="'.
  119:              &Apache::lonnet::tokenwrapper($syllabus{'uploaded.photourl'}).
  120:              '" align="right" />');
  121:        }
  122:        if ($allowed) {
  123:            $r->print(
  124: 	 '<form method="post" enctype="multipart/form-data">'.
  125:          '<h3>Upload a Photo</h3>'.
  126:          '<input type="file" name="uploaddoc" size="50">'.
  127:          '<input type="submit" name="storeupl" value="Upload">'.
  128: 	 '</form><form method="post">');
  129:        }
  130:        foreach (sort keys %syllabusfields) {
  131:           if (($syllabus{$_}) || ($allowed)) {
  132:               my $message=$syllabus{$_};
  133:               $message=~s/\n/\<br \/\>/g;
  134:               $message
  135:              =~s/(http\:\/\/[^\s]+)/\<a href=\"$1\"\>\<tt\>$1\<\/tt\>\<\/a\>/g;
  136: 	      $message=&Apache::lontexconvert::msgtexconverted($message);
  137:             unless ($_ eq 'aaa_title') {
  138: 		if (($_ ne 'bbb_content') || ($allowed)) {
  139:                     $r->print('<h3>'.$syllabusfields{$_}.'</h3>');
  140: 		}
  141:                  $r->print('<blockquote>'.
  142:                         $message.'</blockquote>');
  143:                  if ($allowed) {
  144:                 $r->print('<br /><textarea cols="80" rows="20" name="'.$_.'">'.
  145: 			   $syllabus{$_}.
  146:            '</textarea><input type="submit" name="storesyl" value="Store" />');
  147: 	        }
  148: 	    } else {
  149: 		$r->print('<h1>'.$message.'</h1>');
  150:                 if ($allowed) {
  151:                  $r->print(
  152:                 '<br />Title<br /><textarea cols="80" rows="2" name="'.$_.'">'.
  153: 			   $syllabus{$_}.
  154:            '</textarea><input type="submit" name="storesyl" value="Store" />');
  155:                 }
  156:             }
  157: 	  }
  158:        }
  159:        if ($allowed) {
  160: 	   $r->print('</form>');
  161:        }
  162:        $r->print('</p>');
  163:     } else {
  164:        $r->print('<p>No page information provided.</p>');
  165:     }
  166:     $r->print('</body></html>');
  167:     return OK;
  168: } 
  169: 
  170: 1;
  171: __END__

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