Annotation of loncom/interface/londocs.pm, revision 1.15

1.1       www         1: # The LearningOnline Network
1.2       www         2: # Documents
1.1       www         3: #
1.15    ! www         4: # $Id: londocs.pm,v 1.14 2002/08/31 00:43:12 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;
1.15    ! www        37: use Apache::lonxml;
1.7       www        38: 
1.8       www        39: my $iconpath;
1.7       www        40: 
                     41: # Mapread read maps into lonratedt::global arrays 
1.10      www        42: # @order and @resources, determines status
1.7       www        43: # sets @order - pointer to resources in right order
                     44: # sets @resources - array with the resources with correct idx
                     45: #
                     46: 
                     47: sub mapread {
                     48:     my ($coursenum,$coursedom,$map)=@_;
                     49:     return
                     50:       &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
                     51:                                 $map);
                     52: }
                     53: 
                     54: sub storemap {
                     55:     my ($coursenum,$coursedom,$map)=@_;
                     56:     return
                     57:       &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
1.15    ! www        58:                                 $map,1);
1.7       www        59: }
                     60: 
                     61: sub editor {
                     62:     my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
1.10      www        63:     my $errtext='';
                     64:     my $fatal=0;
                     65:     ($errtext,$fatal)=
1.7       www        66:           &mapread($coursenum,$coursedom,$folder.'.sequence');
                     67:     if ($fatal) {
                     68: 	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
                     69:     } else {
                     70: # ------------------------------------------------------------ Process commands
                     71: 	if ($allowed) {
1.10      www        72: # upload a file, if present
                     73:            if (($ENV{'form.uploaddoc.filename'}) &&
                     74:                ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {
                     75: 	    if ($folder=~/^$1/) {
                     76: # this is for a course, not a user, so set coursedoc flag
                     77: # probably the only place in the system where this should be "1"
                     78: 	      my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
                     79:               my $ext='false';
                     80:               if ($url=~/^http\:\/\//) { $ext='true'; }
                     81:               $url=~s/\:/\&colon;/g;
                     82: 	      my $comment=$ENV{'form.comment'};
                     83:               $comment=~s/\</\&lt\;/g;
                     84:               $comment=~s/\>/\&gt\;/g;
                     85:               $comment=~s/\:/\&colon;/g;
                     86:               my $newidx=$#Apache::lonratedt::resources+1;
                     87:               $Apache::lonratedt::resources[$newidx]=
                     88:                   $comment.':'.$url.':'.$ext.':normal:res';
                     89:               $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
                     90:                                                               $newidx;       
                     91:  	      &storemap($coursenum,$coursedom,$folder.'.sequence');
                     92: 	     }
                     93:             }
1.8       www        94: 	    if ($ENV{'form.cmd'}) {
1.10      www        95:                 my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});
                     96:                 if ($cmd eq 'del') {
                     97: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
                     98:                         $Apache::lonratedt::order[$i]=
                     99:                           $Apache::lonratedt::order[$i+1];
                    100:                     }
                    101:                     $#Apache::lonratedt::order--;
                    102:                 } elsif ($cmd eq 'up') {
                    103:                     my $i=$Apache::lonratedt::order[$idx-1];
                    104:                     $Apache::lonratedt::order[$idx-1]=
                    105: 			$Apache::lonratedt::order[$idx];
                    106:                     $Apache::lonratedt::order[$idx]=$i;
                    107:                 } elsif ($cmd eq 'down') {
                    108:                     my $i=$Apache::lonratedt::order[$idx+1];
                    109:                     $Apache::lonratedt::order[$idx+1]=
                    110: 			$Apache::lonratedt::order[$idx];
                    111:                     $Apache::lonratedt::order[$idx]=$i;
                    112:                 }
                    113: # Store the changed version
                    114: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
1.8       www       115:             }
1.11      www       116: # Group import/search
                    117: 	    if ($ENV{'form.importdetail'}) {
                    118:                foreach (split(/\&/,$ENV{'form.importdetail'})) {
                    119:                   if (defined($_)) {
                    120: 	             my ($name,$url)=split(/\=/,$_);
                    121:                      $name=&Apache::lonnet::unescape($name);
                    122:                      $url=&Apache::lonnet::unescape($url);
                    123:                      if ($url) {
                    124: 	                my $idx=$#Apache::lonratedt::resources+1;
                    125:                         $Apache::lonratedt::order
                    126:                            [$#Apache::lonratedt::order+1]=$idx;
                    127:                         my $ext='false';
                    128:                         if ($url=~/^http\:\/\//) { $ext='true'; }
                    129:                         $url=~s/\:/\&colon;/g;
                    130:                         $Apache::lonratedt::resources[$idx]=
                    131:                            $name.':'.$url.':'.$ext.':normal:res';
                    132: 	             }
                    133:                  }
                    134: 	      }
                    135: # Store the changed version
                    136: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
                    137:             }
1.7       www       138: 	}
                    139: # ---------------------------------------------------------------- Print screen
1.10      www       140:         my $idx=0;
                    141:         $r->print('<table>');
                    142:         foreach (@Apache::lonratedt::order) {
                    143:            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
                    144:            unless ($name) {  $name=(split(/\//,$url))[-1]; }
                    145:            unless ($name) { $name='EMPTY'; }
                    146:            $r->print(&entryline($idx,$name,$url,$folder,$allowed));
                    147:            $idx++;
                    148:         }
                    149:         $r->print('</table>');
1.7       www       150:     }
                    151: }
1.1       www       152: 
1.8       www       153: # --------------------------------------------------------------- An entry line
                    154: 
                    155: sub entryline {
                    156:     my ($index,$title,$url,$folder,$allowed)=@_;
                    157:     my $line='<tr>';
                    158: # Edit commands
                    159:     if ($allowed) {
                    160:        $line.=(<<END);
                    161: <td><table border='0' cellspacing='0' cellpadding='0'>
                    162: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=up_$index'>
                    163: <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
                    164: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=down_$index'>
                    165: <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
                    166: </table></td><td>
                    167: <a href='/adm/coursedocs?folder=$folder&cmd=del_$index'>Remove</td>
                    168: END
                    169:     }
                    170: # URL
1.10      www       171:     if ($url=~/^\/*uploaded\//) {
                    172: 	$url=&Apache::lonnet::tokenwrapper($url);
                    173:     }
1.8       www       174:     $line.='<td><a href="'.$url.'">View</a></td>';
                    175: # Title
                    176:     $title=&Apache::lonnet::unescape($title);
                    177:     if ($title=~
                    178:  /^(\d+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(.*)$/
                    179: 	) { $title='<i>'.localtime($1).'</i> '.$2.' at '.$3.': <br>'.
                    180: 		&Apache::lontexconvert::msgtexconverted($4);
                    181: 	}
1.10      www       182:     $line.="<td>$title</td>";
1.8       www       183:     $line.='</tr>';
                    184:     return $line;
                    185: }
                    186: 
                    187: # ================================================================ Main Handler
1.1       www       188: sub handler {
                    189:     my $r = shift;
                    190:     $r->content_type('text/html');
                    191:     $r->send_http_header;
                    192:     return OK if $r->header_only;
                    193: 
1.7       www       194: # is this a standard course?
                    195: 
                    196:     my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
1.15    ! www       197:     my $forcestandard;
        !           198:     my $forcesupplement;
        !           199:     my $script='';
        !           200:     my $allowed;
        !           201:     my $events='';
        !           202:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
        !           203:        ['folder','showdoc']);
        !           204:     unless ($ENV{'form.showdoc'}) { # got called from remote
        !           205:        $forcestandard=($ENV{'form.folder'}=~/^default_/);
        !           206:        $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
1.7       www       207: 
1.4       www       208: # does this user have privileges to post, etc?
1.15    ! www       209:        $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
        !           210:        if ($allowed) { 
        !           211:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
        !           212:          $script=&Apache::lonratedt::editscript('simple'); 
        !           213:        }
        !           214:     } else { # got called in sequence from course
        !           215:        $allowed=0;
        !           216:        $forcestandard=1;
        !           217:        $forcesupplement=0;
        !           218:        $script=&Apache::&Apache::lonxml::registerurl(1,undef);
        !           219:        $events='onLoad="'.&Apache::lonxml::loadevents.
        !           220:            '" onUnload="'.&Apache::lonxml::unloadevents.'"';
1.3       www       221:     }
1.4       www       222: 
                    223: # get course data
                    224:     my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                    225:     my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                    226: 
1.14      www       227: # get personal data
                    228:  
                    229:     my $uname=$ENV{'user.name'};
                    230:     my $udom=$ENV{'user.domain'};
                    231:     my $plainname=&Apache::lonnet::escape(
                    232:                      &Apache::loncommon::plainname($uname,$udom));
                    233: 
1.8       www       234: # graphics settings
1.4       www       235: 
1.8       www       236:     $iconpath = $r->dir_config('lonIconsURL') . "/";
                    237: 
1.4       www       238: # print screen
1.1       www       239:     $r->print(<<ENDDOCUMENT);
                    240: <html>
                    241: <head>
                    242: <title>The LearningOnline Network with CAPA</title>
1.8       www       243: <script>$script</script>
1.1       www       244: </head>
1.4       www       245: ENDDOCUMENT
1.15    ! www       246: $r->print(&Apache::loncommon::bodytag('Course Documents','',$events));
1.7       www       247: # --------------------------------------------------0------ Standard documents
                    248:     if (($standard) && ($allowed) && (!$forcesupplement)) {
                    249:        $r->print('<h2>Main Course Documents</h2>');
                    250:        my $folder=$ENV{'form.folder'};
1.10      www       251:        unless ($folder=~/^default/) { $folder='default'; }
1.7       www       252:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
1.8       www       253:        $r->print(<<ENDFORM);
1.11      www       254: <table><tr>
                    255: <th>Upload a new main course document</th>
                    256: <th>Import a published document</th>
                    257: <th>Special documents</th>
                    258: </tr>
                    259: <tr><td>
                    260: File:<br />
1.10      www       261: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
1.8       www       262: <input type="file" name="uploaddoc" size="50">
                    263: <br />
1.11      www       264: Title:<br /> 
                    265: <input type="text" size="50" name="comment">
1.8       www       266: <input type="hidden" name="folder" value="$folder">
1.10      www       267: <input type="hidden" name="cmd" value="upload_default">
1.8       www       268: <input type="submit" value="Upload Document">
                    269: </form>
1.11      www       270: </td>
                    271: <td>
                    272: <form action="/adm/coursedocs" method="post" name="simpleedit">
                    273: <input type=hidden name="importdetail" value="">
                    274: <input type=button onClick=
                    275: "javascript:groupsearch()" value="Group Search">
                    276: <input type=button onClick=
                    277: "javascript:groupimport();" value="Group Import">
                    278: </form>
                    279: </td><td>
                    280: <form action="/adm/coursedocs" method="post" name="newfolder">
1.13      www       281: <input type=hidden name="importdetail" value="">
1.11      www       282: <input name="newfolder" type="button" onClick="javascript:newfolder();"
                    283: value="New Folder" />
                    284: </form>
                    285: <form action="/adm/coursedocs" method="post" name="newext">
1.13      www       286: <input type=hidden name="importdetail" value="">
1.11      www       287: <input name="newext" type="button" onClick="javascript:newext();"
                    288: value="External Resource" />
                    289: </form>
                    290: <form action="/adm/coursedocs" method="post" name="newsyl">
1.14      www       291: <input type=hidden name="importdetail" 
                    292: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
                    293: <input name="newsyl" type="submit" value="Syllabus" />
1.15    ! www       294: </form>
        !           295: <form action="/adm/coursedocs" method="post" name="newsyl">
        !           296: <input type=hidden name="importdetail" 
        !           297: value="Navigate Content=/adm/navmaps">
        !           298: <input name="newsyl" type="submit" value="Navigate Content" />
1.12      www       299: </form>
                    300: <form action="/adm/coursedocs" method="post" name="newaboutme">
1.14      www       301: <input type=hidden name="importdetail" 
                    302: value="$plainname=/adm/$udom/$uname/aboutme">
                    303: <input name="newaboutme" type="submit" onClick="javascript:newaboutme();"
1.12      www       304: value="My Personal Info" />
1.11      www       305: </form>
                    306: </td></tr>
                    307: </table>
1.8       www       308: ENDFORM
1.7       www       309:        $r->print('<hr />');
                    310:     }
                    311: # ----------------------------------------------------- Supplemental documents
                    312:     if (!$forcestandard) {
                    313:        $r->print('<h2>Supplemental Course Documents</h2>');
                    314:        my $folder=$ENV{'form.folder'};
1.10      www       315:        unless ($folder=~/supplemental/) { $folder='supplemental'; }
1.7       www       316:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
1.8       www       317:        if ($allowed) {
                    318:           $r->print(<<ENDSUPFORM);
                    319: <h3>Post a new supplemental course document</h3>
1.10      www       320: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
1.4       www       321: <input type="file" name="uploaddoc" size="50">
                    322: <br />Comment:<br />
                    323: <textarea cols=50 rows=4 name='comment'>
                    324: </textarea>
1.8       www       325: <input type="hidden" name="folder" value="$folder">
1.10      www       326: <input type="hidden" name="cmd" value="upload_supplemental">
1.3       www       327: <input type="submit" value="Upload Document">
                    328: </form>
1.8       www       329: ENDSUPFORM
                    330:        }
1.7       www       331:     }
                    332: 
1.4       www       333:     $r->print('</body></html>');
1.1       www       334:     return OK;
                    335: } 
                    336: 
                    337: 1;
                    338: __END__

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