Annotation of loncom/interface/londocs.pm, revision 1.16

1.1       www         1: # The LearningOnline Network
1.2       www         2: # Documents
1.1       www         3: #
1.16    ! www         4: # $Id: londocs.pm,v 1.15 2002/09/02 15:27:08 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;
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
1.16    ! www        71: # ---------------- if they are for this folder and user allowed to make changes
        !            72: 	if (($allowed) && ($ENV{'form.folder'} eq $folder)) {
1.10      www        73: # upload a file, if present
                     74:            if (($ENV{'form.uploaddoc.filename'}) &&
                     75:                ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {
                     76: 	    if ($folder=~/^$1/) {
                     77: # this is for a course, not a user, so set coursedoc flag
                     78: # probably the only place in the system where this should be "1"
                     79: 	      my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
                     80:               my $ext='false';
                     81:               if ($url=~/^http\:\/\//) { $ext='true'; }
                     82:               $url=~s/\:/\&colon;/g;
                     83: 	      my $comment=$ENV{'form.comment'};
                     84:               $comment=~s/\</\&lt\;/g;
                     85:               $comment=~s/\>/\&gt\;/g;
                     86:               $comment=~s/\:/\&colon;/g;
                     87:               my $newidx=$#Apache::lonratedt::resources+1;
                     88:               $Apache::lonratedt::resources[$newidx]=
                     89:                   $comment.':'.$url.':'.$ext.':normal:res';
                     90:               $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
                     91:                                                               $newidx;       
                     92:  	      &storemap($coursenum,$coursedom,$folder.'.sequence');
                     93: 	     }
                     94:             }
1.8       www        95: 	    if ($ENV{'form.cmd'}) {
1.10      www        96:                 my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});
                     97:                 if ($cmd eq 'del') {
                     98: 		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
                     99:                         $Apache::lonratedt::order[$i]=
                    100:                           $Apache::lonratedt::order[$i+1];
                    101:                     }
                    102:                     $#Apache::lonratedt::order--;
                    103:                 } elsif ($cmd eq 'up') {
                    104:                     my $i=$Apache::lonratedt::order[$idx-1];
                    105:                     $Apache::lonratedt::order[$idx-1]=
                    106: 			$Apache::lonratedt::order[$idx];
                    107:                     $Apache::lonratedt::order[$idx]=$i;
                    108:                 } elsif ($cmd eq 'down') {
                    109:                     my $i=$Apache::lonratedt::order[$idx+1];
                    110:                     $Apache::lonratedt::order[$idx+1]=
                    111: 			$Apache::lonratedt::order[$idx];
                    112:                     $Apache::lonratedt::order[$idx]=$i;
                    113:                 }
                    114: # Store the changed version
                    115: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
1.8       www       116:             }
1.11      www       117: # Group import/search
                    118: 	    if ($ENV{'form.importdetail'}) {
                    119:                foreach (split(/\&/,$ENV{'form.importdetail'})) {
                    120:                   if (defined($_)) {
                    121: 	             my ($name,$url)=split(/\=/,$_);
                    122:                      $name=&Apache::lonnet::unescape($name);
                    123:                      $url=&Apache::lonnet::unescape($url);
                    124:                      if ($url) {
                    125: 	                my $idx=$#Apache::lonratedt::resources+1;
                    126:                         $Apache::lonratedt::order
                    127:                            [$#Apache::lonratedt::order+1]=$idx;
                    128:                         my $ext='false';
                    129:                         if ($url=~/^http\:\/\//) { $ext='true'; }
                    130:                         $url=~s/\:/\&colon;/g;
                    131:                         $Apache::lonratedt::resources[$idx]=
                    132:                            $name.':'.$url.':'.$ext.':normal:res';
                    133: 	             }
                    134:                  }
                    135: 	      }
                    136: # Store the changed version
                    137: 		&storemap($coursenum,$coursedom,$folder.'.sequence');
                    138:             }
1.16    ! www       139:        }
        !           140: # ---------------------------------------------------------------- End commands
1.7       www       141: # ---------------------------------------------------------------- Print screen
1.10      www       142:         my $idx=0;
                    143:         $r->print('<table>');
                    144:         foreach (@Apache::lonratedt::order) {
                    145:            my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
                    146:            unless ($name) {  $name=(split(/\//,$url))[-1]; }
                    147:            unless ($name) { $name='EMPTY'; }
                    148:            $r->print(&entryline($idx,$name,$url,$folder,$allowed));
                    149:            $idx++;
                    150:         }
                    151:         $r->print('</table>');
1.7       www       152:     }
                    153: }
1.1       www       154: 
1.8       www       155: # --------------------------------------------------------------- An entry line
                    156: 
                    157: sub entryline {
                    158:     my ($index,$title,$url,$folder,$allowed)=@_;
                    159:     my $line='<tr>';
                    160: # Edit commands
                    161:     if ($allowed) {
                    162:        $line.=(<<END);
                    163: <td><table border='0' cellspacing='0' cellpadding='0'>
                    164: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=up_$index'>
                    165: <img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
                    166: <tr><td><a href='/adm/coursedocs?folder=$folder&cmd=down_$index'>
                    167: <img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
                    168: </table></td><td>
                    169: <a href='/adm/coursedocs?folder=$folder&cmd=del_$index'>Remove</td>
                    170: END
                    171:     }
1.16    ! www       172: # Figure out what kind of a resource this is
        !           173:     my ($extension)=($url=~/\.(\w+)$/);
        !           174:     my $uploaded=($url=~/^\/*uploaded\//);
        !           175:     my $icon='unknown';
        !           176:     if (-e "/home/httpd/html/adm/lonIcons/$extension.gif") {
        !           177: 	$icon=$extension;
1.10      www       178:     }
1.16    ! www       179:     if ($uploaded) {
        !           180:        if ($extension eq 'sequence') {
        !           181: 	  $icon='folder_closed';
        !           182:           $url=~/\/(\w+)\.sequence/;
        !           183:           $url='/adm/coursedocs?folder='.$1;
        !           184:        } else {
        !           185: 	  $url=&Apache::lonnet::tokenwrapper($url);
        !           186:        } 
        !           187:     }
        !           188:     $line.='<td bgcolor="#FFFFBB"><a href="'.$url.'"><img src="/adm/lonIcons/'.
        !           189:         $icon.'.gif" border="0"></a></td>';
1.8       www       190: # Title
                    191:     $title=&Apache::lonnet::unescape($title);
                    192:     if ($title=~
                    193:  /^(\d+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(.*)$/
                    194: 	) { $title='<i>'.localtime($1).'</i> '.$2.' at '.$3.': <br>'.
                    195: 		&Apache::lontexconvert::msgtexconverted($4);
                    196: 	}
1.16    ! www       197:     $line.="<td bgcolor='#FFFFBB'><a href='$url'>$title</a></td>";
1.8       www       198:     $line.='</tr>';
                    199:     return $line;
                    200: }
                    201: 
                    202: # ================================================================ Main Handler
1.1       www       203: sub handler {
                    204:     my $r = shift;
                    205:     $r->content_type('text/html');
                    206:     $r->send_http_header;
                    207:     return OK if $r->header_only;
                    208: 
1.7       www       209: # is this a standard course?
                    210: 
                    211:     my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
1.15      www       212:     my $forcestandard;
                    213:     my $forcesupplement;
                    214:     my $script='';
                    215:     my $allowed;
                    216:     my $events='';
                    217:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                    218:        ['folder','showdoc']);
                    219:     unless ($ENV{'form.showdoc'}) { # got called from remote
                    220:        $forcestandard=($ENV{'form.folder'}=~/^default_/);
                    221:        $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
1.7       www       222: 
1.4       www       223: # does this user have privileges to post, etc?
1.15      www       224:        $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
                    225:        if ($allowed) { 
                    226:          &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
                    227:          $script=&Apache::lonratedt::editscript('simple'); 
                    228:        }
                    229:     } else { # got called in sequence from course
                    230:        $allowed=0;
                    231:        $forcestandard=1;
                    232:        $forcesupplement=0;
                    233:        $script=&Apache::&Apache::lonxml::registerurl(1,undef);
                    234:        $events='onLoad="'.&Apache::lonxml::loadevents.
                    235:            '" onUnload="'.&Apache::lonxml::unloadevents.'"';
1.3       www       236:     }
1.4       www       237: 
                    238: # get course data
                    239:     my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
                    240:     my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
                    241: 
1.14      www       242: # get personal data
                    243:  
                    244:     my $uname=$ENV{'user.name'};
                    245:     my $udom=$ENV{'user.domain'};
                    246:     my $plainname=&Apache::lonnet::escape(
                    247:                      &Apache::loncommon::plainname($uname,$udom));
                    248: 
1.8       www       249: # graphics settings
1.4       www       250: 
1.8       www       251:     $iconpath = $r->dir_config('lonIconsURL') . "/";
                    252: 
1.4       www       253: # print screen
1.1       www       254:     $r->print(<<ENDDOCUMENT);
                    255: <html>
                    256: <head>
                    257: <title>The LearningOnline Network with CAPA</title>
1.16    ! www       258: <script>
        !           259: $script
        !           260: 
        !           261: function makenewfolder(targetform,folderseq) {
        !           262:     var foldername=prompt('Name of New Folder','New Folder');
        !           263:     if (foldername) {
        !           264: 	targetform.importdetail.value=foldername+"="+folderseq;
        !           265:         targetform.submit();
        !           266:     }
        !           267: }
        !           268: 
        !           269: function makenewext(targetform) {
        !           270: }
        !           271: </script>
1.1       www       272: </head>
1.4       www       273: ENDDOCUMENT
1.15      www       274: $r->print(&Apache::loncommon::bodytag('Course Documents','',$events));
1.7       www       275: # --------------------------------------------------0------ Standard documents
                    276:     if (($standard) && ($allowed) && (!$forcesupplement)) {
                    277:        $r->print('<h2>Main Course Documents</h2>');
                    278:        my $folder=$ENV{'form.folder'};
1.10      www       279:        unless ($folder=~/^default/) { $folder='default'; }
1.7       www       280:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
1.16    ! www       281:        my $folderseq='/uploaded/'.$coursedom.'/'.$coursenum.'/default_'.time.
        !           282:                      '.sequence';
1.8       www       283:        $r->print(<<ENDFORM);
1.16    ! www       284: <table cellspacing=2><tr>
        !           285: <th bgcolor="#DDDDDD">Upload a new main course document</th>
        !           286: <th bgcolor="#DDDDDD">Import a published document</th>
        !           287: <th bgcolor="#DDDDDD">Special documents</th>
1.11      www       288: </tr>
1.16    ! www       289: <tr><td bgcolor="#DDDDDD">
1.11      www       290: File:<br />
1.10      www       291: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
1.8       www       292: <input type="file" name="uploaddoc" size="50">
                    293: <br />
1.11      www       294: Title:<br /> 
                    295: <input type="text" size="50" name="comment">
1.8       www       296: <input type="hidden" name="folder" value="$folder">
1.10      www       297: <input type="hidden" name="cmd" value="upload_default">
1.8       www       298: <input type="submit" value="Upload Document">
                    299: </form>
1.11      www       300: </td>
1.16    ! www       301: <td bgcolor="#DDDDDD">
1.11      www       302: <form action="/adm/coursedocs" method="post" name="simpleedit">
1.16    ! www       303: <input type="hidden" name="folder" value="$folder">
1.11      www       304: <input type=hidden name="importdetail" value="">
                    305: <input type=button onClick=
1.16    ! www       306: "javascript:groupsearch()" value="Search">
1.11      www       307: <input type=button onClick=
1.16    ! www       308: "javascript:groupimport();" value="Import">
1.11      www       309: </form>
1.16    ! www       310: </td><td bgcolor="#DDDDDD">
1.11      www       311: <form action="/adm/coursedocs" method="post" name="newfolder">
1.16    ! www       312: <input type="hidden" name="folder" value="$folder">
1.13      www       313: <input type=hidden name="importdetail" value="">
1.16    ! www       314: <input name="newfolder" type="button"
        !           315: onClick="javascript:makenewfolder(this.form,'$folderseq');"
1.11      www       316: value="New Folder" />
                    317: </form>
                    318: <form action="/adm/coursedocs" method="post" name="newext">
1.16    ! www       319: <input type="hidden" name="folder" value="$folder">
1.13      www       320: <input type=hidden name="importdetail" value="">
1.16    ! www       321: <input name="newext" type="button" onClick="javascript:makenewext(this.form);"
1.11      www       322: value="External Resource" />
                    323: </form>
                    324: <form action="/adm/coursedocs" method="post" name="newsyl">
1.16    ! www       325: <input type="hidden" name="folder" value="$folder">
1.14      www       326: <input type=hidden name="importdetail" 
                    327: value="Syllabus=/public/$coursedom/$coursenum/syllabus">
                    328: <input name="newsyl" type="submit" value="Syllabus" />
1.15      www       329: </form>
                    330: <form action="/adm/coursedocs" method="post" name="newsyl">
                    331: <input type=hidden name="importdetail" 
                    332: value="Navigate Content=/adm/navmaps">
                    333: <input name="newsyl" type="submit" value="Navigate Content" />
1.12      www       334: </form>
                    335: <form action="/adm/coursedocs" method="post" name="newaboutme">
1.16    ! www       336: <input type="hidden" name="folder" value="$folder">
1.14      www       337: <input type=hidden name="importdetail" 
                    338: value="$plainname=/adm/$udom/$uname/aboutme">
1.16    ! www       339: <input name="newaboutme" type="submit" value="My Personal Info" />
1.11      www       340: </form>
                    341: </td></tr>
                    342: </table>
1.8       www       343: ENDFORM
1.7       www       344:        $r->print('<hr />');
                    345:     }
                    346: # ----------------------------------------------------- Supplemental documents
                    347:     if (!$forcestandard) {
                    348:        $r->print('<h2>Supplemental Course Documents</h2>');
                    349:        my $folder=$ENV{'form.folder'};
1.10      www       350:        unless ($folder=~/supplemental/) { $folder='supplemental'; }
1.7       www       351:        &editor($r,$coursenum,$coursedom,$folder,$allowed);
1.8       www       352:        if ($allowed) {
                    353:           $r->print(<<ENDSUPFORM);
                    354: <h3>Post a new supplemental course document</h3>
1.10      www       355: <form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
1.4       www       356: <input type="file" name="uploaddoc" size="50">
                    357: <br />Comment:<br />
                    358: <textarea cols=50 rows=4 name='comment'>
                    359: </textarea>
1.8       www       360: <input type="hidden" name="folder" value="$folder">
1.10      www       361: <input type="hidden" name="cmd" value="upload_supplemental">
1.3       www       362: <input type="submit" value="Upload Document">
                    363: </form>
1.8       www       364: ENDSUPFORM
                    365:        }
1.7       www       366:     }
                    367: 
1.4       www       368:     $r->print('</body></html>');
1.1       www       369:     return OK;
                    370: } 
                    371: 
                    372: 1;
                    373: __END__

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