Annotation of loncom/interface/londocs.pm, revision 1.10

1.1       www         1: # The LearningOnline Network
1.2       www         2: # Documents
1.1       www         3: #
1.10    ! www         4: # $Id: londocs.pm,v 1.9 2002/08/21 17:18:08 www Exp $
1.1       www         5: #
1.3       www         6: # Copyright Michigan State University Board of Trustees
1.1       www         7: #
1.3       www         8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
1.1       www         9: #
1.3       www        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.
1.1       www        14: #
1.3       www        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: 
1.2       www        29: package Apache::londocs;
1.1       www        30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
1.4       www        33: use Apache::lonnet;
                     34: use Apache::loncommon;
1.7       www        35: use Apache::lonratedt;
                     36: use Apache::lonratsrv;
                     37: 
1.8       www        38: my $iconpath;
1.7       www        39: 
                     40: # Mapread read maps into lonratedt::global arrays 
1.10    ! www        41: # @order and @resources, determines status
1.7       www        42: # sets @order - pointer to resources in right order
                     43: # sets @resources - array with the resources with correct idx
                     44: #
                     45: 
                     46: sub mapread {
                     47:     my ($coursenum,$coursedom,$map)=@_;
                     48:     return
                     49:       &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
                     50:                                 $map);
                     51: }
                     52: 
                     53: sub storemap {
                     54:     my ($coursenum,$coursedom,$map)=@_;
                     55:     return
                     56:       &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
                     57:                                 $map);
                     58: }
                     59: 
                     60: sub editor {
                     61:     my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
1.10    ! www        62:     my $errtext='';
        !            63:     my $fatal=0;
        !            64:     ($errtext,$fatal)=
1.7       www        65:           &mapread($coursenum,$coursedom,$folder.'.sequence');
                     66:     if ($fatal) {
                     67: 	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
                     68:     } else {
                     69: # ------------------------------------------------------------ Process commands
                     70: 	if ($allowed) {
1.10    ! www        71: # upload a file, if present
        !            72:            if (($ENV{'form.uploaddoc.filename'}) &&
        !            73:                ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {
        !            74: 	    if ($folder=~/^$1/) {
        !            75: # this is for a course, not a user, so set coursedoc flag
        !            76: # probably the only place in the system where this should be "1"
        !            77: 	      my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
        !            78:               my $ext='false';
        !            79:               if ($url=~/^http\:\/\//) { $ext='true'; }
        !            80:               $url=~s/\:/\&colon;/g;
        !            81: 	      my $comment=$ENV{'form.comment'};
        !            82:               $comment=~s/\</\&lt\;/g;
        !            83:               $comment=~s/\>/\&gt\;/g;
        !            84:               $comment=~s/\:/\&colon;/g;
        !            85:               my $newidx=$#Apache::lonratedt::resources+1;
        !            86:               $Apache::lonratedt::resources[$newidx]=
        !            87:                   $comment.':'.$url.':'.$ext.':normal:res';
        !            88:               $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
        !            89:                                                               $newidx;       
        !            90:  	      &storemap($coursenum,$coursedom,$folder.'.sequence');
        !            91: 	     }
        !            92:             }
1.8       www        93: 	    if ($ENV{'form.cmd'}) {
1.10    ! www        94:                 my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});
        !            95:                 if ($cmd eq 'del') {
        !            96: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
        !            97:                         $Apache::lonratedt::order[$i]=
        !            98:                           $Apache::lonratedt::order[$i+1];
        !            99:                     }
        !           100:                     $#Apache::lonratedt::order--;
        !           101:                 } elsif ($cmd eq 'up') {
        !           102:                     my $i=$Apache::lonratedt::order[$idx-1];
        !           103:                     $Apache::lonratedt::order[$idx-1]=
        !           104: 			$Apache::lonratedt::order[$idx];
        !           105:                     $Apache::lonratedt::order[$idx]=$i;
        !           106:                 } elsif ($cmd eq 'down') {
        !           107:                     my $i=$Apache::lonratedt::order[$idx+1];
        !           108:                     $Apache::lonratedt::order[$idx+1]=
        !           109: 			$Apache::lonratedt::order[$idx];
        !           110:                     $Apache::lonratedt::order[$idx]=$i;
        !           111:                 }
        !           112: # Store the changed version
        !           113: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
1.8       www       114:             }
1.7       www       115: 	}
                    116: # ---------------------------------------------------------------- Print screen
1.10    ! www       117:         my $idx=0;
        !           118:         $r->print('<table>');
        !           119:         foreach (@Apache::lonratedt::order) {
        !           120:            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
        !           121:            unless ($name) {  $name=(split(/\//,$url))[-1]; }
        !           122:            unless ($name) { $name='EMPTY'; }
        !           123:            $r->print(&entryline($idx,$name,$url,$folder,$allowed));
        !           124:            $idx++;
        !           125:         }
        !           126:         $r->print('</table>');
1.7       www       127:     }
                    128: }
1.1       www       129: 
1.8       www       130: # --------------------------------------------------------------- An entry line
                    131: 
                    132: sub entryline {
                    133:     my ($index,$title,$url,$folder,$allowed)=@_;
                    134:     my $line='<tr>';
                    135: # Edit commands
                    136:     if ($allowed) {
                    137:        $line.=(<<END);
                    138: <td><table border='0' cellspacing='0' cellpadding='0'>
                    139: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=up_$index'>
                    140: <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
                    141: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=down_$index'>
                    142: <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
                    143: </table></td><td>
                    144: <a href='/adm/coursedocs?folder=$folder&cmd=del_$index'>Remove</td>
                    145: END
                    146:     }
                    147: # URL
1.10    ! www       148:     if ($url=~/^\/*uploaded\//) {
        !           149: 	$url=&Apache::lonnet::tokenwrapper($url);
        !           150:     }
1.8       www       151:     $line.='<td><a href="'.$url.'">View</a></td>';
                    152: # Title
                    153:     $title=&Apache::lonnet::unescape($title);
                    154:     if ($title=~
                    155:  /^(\d+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(.*)$/
                    156: 	) { $title='<i>'.localtime($1).'</i> '.$2.' at '.$3.': <br>'.
                    157: 		&Apache::lontexconvert::msgtexconverted($4);
                    158: 	}
1.10    ! www       159:     $line.="<td>$title</td>";
1.8       www       160:     $line.='</tr>';
                    161:     return $line;
                    162: }
                    163: 
                    164: # ================================================================ Main Handler
1.1       www       165: sub handler {
                    166:     my $r = shift;
                    167:     $r->content_type('text/html');
                    168:     $r->send_http_header;
                    169:     return OK if $r->header_only;
                    170: 
1.7       www       171: # is this a standard course?
                    172: 
                    173:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folder']);
                    174:     my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
                    175:     my $forcestandard=($ENV{'form.folder'}=~/^default_/);
1.10    ! www       176:     my $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
1.7       www       177: 
1.4       www       178: # does this user have privileges to post, etc?
                    179:     my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
1.8       www       180:     my $script='';
1.4       www       181:     if ($allowed) { 
1.8       www       182:        &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
                    183:        $script=&Apache::lonratedt::editscript('docs'); 
1.3       www       184:     }
1.4       www       185: 
                    186: # get course data
                    187:     my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                    188:     my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                    189: 
1.8       www       190: # graphics settings
1.4       www       191: 
1.8       www       192:     $iconpath = $r->dir_config('lonIconsURL') . "/";
                    193: 
1.4       www       194: # print screen
1.1       www       195:     $r->print(<<ENDDOCUMENT);
                    196: <html>
                    197: <head>
                    198: <title>The LearningOnline Network with CAPA</title>
1.8       www       199: <script>$script</script>
1.1       www       200: </head>
1.4       www       201: ENDDOCUMENT
1.9       www       202: $r->print(&Apache::loncommon::bodytag('Course Documents'));
1.7       www       203: # --------------------------------------------------0------ Standard documents
                    204:     if (($standard) && ($allowed) && (!$forcesupplement)) {
                    205:        $r->print('<h2>Main Course Documents</h2>');
                    206:        my $folder=$ENV{'form.folder'};
1.10    ! www       207:        unless ($folder=~/^default/) { $folder='default'; }
1.7       www       208:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
1.8       www       209:        $r->print(<<ENDFORM);
                    210: <h3>Post a new main course document</h3>
1.10    ! www       211: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
1.8       www       212: <input type="file" name="uploaddoc" size="50">
                    213: <br />
                    214: Title: <input type="text" size="50" name="comment">
                    215: <input type="hidden" name="folder" value="$folder">
1.10    ! www       216: <input type="hidden" name="cmd" value="upload_default">
1.8       www       217: <input type="submit" value="Upload Document">
                    218: </form>
                    219: ENDFORM
1.7       www       220:        $r->print('<hr />');
                    221:     }
                    222: # ----------------------------------------------------- Supplemental documents
                    223:     if (!$forcestandard) {
                    224:        $r->print('<h2>Supplemental Course Documents</h2>');
                    225:        my $folder=$ENV{'form.folder'};
1.10    ! www       226:        unless ($folder=~/supplemental/) { $folder='supplemental'; }
1.7       www       227:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
1.8       www       228:        if ($allowed) {
                    229:           $r->print(<<ENDSUPFORM);
                    230: <h3>Post a new supplemental course document</h3>
1.10    ! www       231: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
1.4       www       232: <input type="file" name="uploaddoc" size="50">
                    233: <br />Comment:<br />
                    234: <textarea cols=50 rows=4 name='comment'>
                    235: </textarea>
1.8       www       236: <input type="hidden" name="folder" value="$folder">
1.10    ! www       237: <input type="hidden" name="cmd" value="upload_supplemental">
1.3       www       238: <input type="submit" value="Upload Document">
                    239: </form>
1.8       www       240: ENDSUPFORM
                    241:        }
1.7       www       242:     }
                    243: 
1.4       www       244:     $r->print('</body></html>');
1.1       www       245:     return OK;
                    246: } 
                    247: 
                    248: 1;
                    249: __END__

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>