--- loncom/interface/londocs.pm	2002/07/31 14:56:36	1.4
+++ loncom/interface/londocs.pm	2002/08/26 12:44:45	1.10
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Documents
 #
-# $Id: londocs.pm,v 1.4 2002/07/31 14:56:36 www Exp $
+# $Id: londocs.pm,v 1.10 2002/08/26 12:44:45 www Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -32,82 +32,215 @@ use strict;
 use Apache::Constants qw(:common);
 use Apache::lonnet;
 use Apache::loncommon;
+use Apache::lonratedt;
+use Apache::lonratsrv;
 
+my $iconpath;
+
+# Mapread read maps into lonratedt::global arrays 
+# @order and @resources, determines status
+# sets @order - pointer to resources in right order
+# sets @resources - array with the resources with correct idx
+#
+
+sub mapread {
+    my ($coursenum,$coursedom,$map)=@_;
+    return
+      &Apache::lonratedt::mapread('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+                                $map);
+}
+
+sub storemap {
+    my ($coursenum,$coursedom,$map)=@_;
+    return
+      &Apache::lonratedt::storemap('/uploaded/'.$coursedom.'/'.$coursenum.'/'.
+                                $map);
+}
+
+sub editor {
+    my ($r,$coursenum,$coursedom,$folder,$allowed)=@_;
+    my $errtext='';
+    my $fatal=0;
+    ($errtext,$fatal)=
+          &mapread($coursenum,$coursedom,$folder.'.sequence');
+    if ($fatal) {
+	   $r->print('<p><font color="red">'.$errtext.'</font></p>');
+    } else {
+# ------------------------------------------------------------ Process commands
+	if ($allowed) {
+# upload a file, if present
+           if (($ENV{'form.uploaddoc.filename'}) &&
+               ($ENV{'form.cmd'}=~/^upload_(\w+)/)) {
+	    if ($folder=~/^$1/) {
+# this is for a course, not a user, so set coursedoc flag
+# probably the only place in the system where this should be "1"
+	      my $url=&Apache::lonnet::userfileupload('uploaddoc',1);
+              my $ext='false';
+              if ($url=~/^http\:\/\//) { $ext='true'; }
+              $url=~s/\:/\&colon;/g;
+	      my $comment=$ENV{'form.comment'};
+              $comment=~s/\</\&lt\;/g;
+              $comment=~s/\>/\&gt\;/g;
+              $comment=~s/\:/\&colon;/g;
+              my $newidx=$#Apache::lonratedt::resources+1;
+              $Apache::lonratedt::resources[$newidx]=
+                  $comment.':'.$url.':'.$ext.':normal:res';
+              $Apache::lonratedt::order[$#Apache::lonratedt::order+1]=
+                                                              $newidx;       
+ 	      &storemap($coursenum,$coursedom,$folder.'.sequence');
+	     }
+            }
+	    if ($ENV{'form.cmd'}) {
+                my ($cmd,$idx)=split(/\_/,$ENV{'form.cmd'});
+                if ($cmd eq 'del') {
+		    for (my $i=$idx;$i<$#Apache::lonratedt::order;$i++) {
+                        $Apache::lonratedt::order[$i]=
+                          $Apache::lonratedt::order[$i+1];
+                    }
+                    $#Apache::lonratedt::order--;
+                } elsif ($cmd eq 'up') {
+                    my $i=$Apache::lonratedt::order[$idx-1];
+                    $Apache::lonratedt::order[$idx-1]=
+			$Apache::lonratedt::order[$idx];
+                    $Apache::lonratedt::order[$idx]=$i;
+                } elsif ($cmd eq 'down') {
+                    my $i=$Apache::lonratedt::order[$idx+1];
+                    $Apache::lonratedt::order[$idx+1]=
+			$Apache::lonratedt::order[$idx];
+                    $Apache::lonratedt::order[$idx]=$i;
+                }
+# Store the changed version
+		&storemap($coursenum,$coursedom,$folder.'.sequence');
+            }
+	}
+# ---------------------------------------------------------------- Print screen
+        my $idx=0;
+        $r->print('<table>');
+        foreach (@Apache::lonratedt::order) {
+           my ($name,$url)=split(/\:/,$Apache::lonratedt::resources[$_]);
+           unless ($name) {  $name=(split(/\//,$url))[-1]; }
+           unless ($name) { $name='EMPTY'; }
+           $r->print(&entryline($idx,$name,$url,$folder,$allowed));
+           $idx++;
+        }
+        $r->print('</table>');
+    }
+}
+
+# --------------------------------------------------------------- An entry line
+
+sub entryline {
+    my ($index,$title,$url,$folder,$allowed)=@_;
+    my $line='<tr>';
+# Edit commands
+    if ($allowed) {
+       $line.=(<<END);
+<td><table border='0' cellspacing='0' cellpadding='0'>
+<tr><td><a href='/adm/coursedocs?folder=$folder&cmd=up_$index'>
+<img src="${iconpath}move_up.gif" alt='UP' border='0' /></a></td></tr>
+<tr><td><a href='/adm/coursedocs?folder=$folder&cmd=down_$index'>
+<img src="${iconpath}move_down.gif" alt='DOWN' border='0' /></a></td></tr>
+</table></td><td>
+<a href='/adm/coursedocs?folder=$folder&cmd=del_$index'>Remove</td>
+END
+    }
+# URL
+    if ($url=~/^\/*uploaded\//) {
+	$url=&Apache::lonnet::tokenwrapper($url);
+    }
+    $line.='<td><a href="'.$url.'">View</a></td>';
+# Title
+    $title=&Apache::lonnet::unescape($title);
+    if ($title=~
+ /^(\d+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(\w+)\_\_\_\&\&\&\_\_\_(.*)$/
+	) { $title='<i>'.localtime($1).'</i> '.$2.' at '.$3.': <br>'.
+		&Apache::lontexconvert::msgtexconverted($4);
+	}
+    $line.="<td>$title</td>";
+    $line.='</tr>';
+    return $line;
+}
+
+# ================================================================ Main Handler
 sub handler {
     my $r = shift;
     $r->content_type('text/html');
     $r->send_http_header;
     return OK if $r->header_only;
 
+# is this a standard course?
+
+    &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['folder']);
+    my $standard=($ENV{'request.course.uri'}=~/^\/uploaded\//);
+    my $forcestandard=($ENV{'form.folder'}=~/^default_/);
+    my $forcesupplement=($ENV{'form.folder'}=~/^supplemental_/);
+
 # does this user have privileges to post, etc?
     my $allowed=&Apache::lonnet::allowed('srm',$ENV{'request.course.id'});
-
+    my $script='';
     if ($allowed) { 
-       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
-                                                         ['remove']) 
+       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['cmd']);
+       $script=&Apache::lonratedt::editscript('docs'); 
     }
 
 # get course data
     my $coursenum=$ENV{'course.'.$ENV{'request.course.id'}.'.num'};
     my $coursedom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'};
 
+# graphics settings
 
-# upload a file
-    if (($ENV{'form.uploaddoc.filename'}) && ($allowed)) {
-        my $id=time.'_'.$ENV{'user.name'}.'_'.$ENV{'user.domain'};
-	my $url=&Apache::lonnet::userfileupload('uploaddoc');
-        if ($url=~/^error\:/) {
-        } else {
-	    my $comment=$ENV{'form.comment'};
-           $comment=~s/\</\&lt\;/g;
-           $comment=~s/\>/\&gt\;/g;
-           &Apache::lonnet::put('coursedocs',
-				{ $id.'.url' => $url,
-                                  $id.'.comment' => $comment },
-                                $coursedom,$coursenum);
-        }        
-    }
-
-# delete a file
-    if ($ENV{'form.remove'}=~/$ENV{'user.name'}\_$ENV{'user.domain'}$/) {
-       my $id=$ENV{'form.remove'};
-       &Apache::lonnet::del('coursedocs',
-			    [$id.'.url',$id.'.comment'],
-                            $coursedom,$coursenum);
-   }
+    $iconpath = $r->dir_config('lonIconsURL') . "/";
 
 # print screen
     $r->print(<<ENDDOCUMENT);
 <html>
 <head>
 <title>The LearningOnline Network with CAPA</title>
+<script>$script</script>
 </head>
-<body bgcolor="#FFFFFF">
-<h1>Course Documents</h1>
 ENDDOCUMENT
-# ------------------------------------------------------- Print headers to docs
-   my %currentdocs=&Apache::lonnet::dump('coursedocs',$coursedom,$coursenum);
-   foreach (sort keys (%currentdocs)) {
-       if ($_=~/(\d+)\_(\w+)\_(\w+)\.url/) {
-	   $r->print('<hr>'.localtime($1).' '.$2.' '.$3.'<blockquote>'.
-		     $currentdocs{$1.'_'.$2.'_'.$3.'.comment'}.
-                     '</blockquote><a href="'.$currentdocs{$_}.'">View</a>');
-       }
-   }
-# ----------------------------------------------------------------- Upload form
-   if ($allowed) {
+$r->print(&Apache::loncommon::bodytag('Course Documents'));
+# --------------------------------------------------0------ Standard documents
+    if (($standard) && ($allowed) && (!$forcesupplement)) {
+       $r->print('<h2>Main Course Documents</h2>');
+       my $folder=$ENV{'form.folder'};
+       unless ($folder=~/^default/) { $folder='default'; }
+       &editor($r,$coursenum,$coursedom,$folder,$allowed);
        $r->print(<<ENDFORM);
-<hr />
-<h3>Post a new course document</h3>
-<form method="post" enctype="multipart/form-data">
+<h3>Post a new main course document</h3>
+<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
+<input type="file" name="uploaddoc" size="50">
+<br />
+Title: <input type="text" size="50" name="comment">
+<input type="hidden" name="folder" value="$folder">
+<input type="hidden" name="cmd" value="upload_default">
+<input type="submit" value="Upload Document">
+</form>
+ENDFORM
+       $r->print('<hr />');
+    }
+# ----------------------------------------------------- Supplemental documents
+    if (!$forcestandard) {
+       $r->print('<h2>Supplemental Course Documents</h2>');
+       my $folder=$ENV{'form.folder'};
+       unless ($folder=~/supplemental/) { $folder='supplemental'; }
+       &editor($r,$coursenum,$coursedom,$folder,$allowed);
+       if ($allowed) {
+          $r->print(<<ENDSUPFORM);
+<h3>Post a new supplemental course document</h3>
+<form action="/adm/coursedocs" method="post" enctype="multipart/form-data">
 <input type="file" name="uploaddoc" size="50">
 <br />Comment:<br />
 <textarea cols=50 rows=4 name='comment'>
 </textarea>
+<input type="hidden" name="folder" value="$folder">
+<input type="hidden" name="cmd" value="upload_supplemental">
 <input type="submit" value="Upload Document">
 </form>
-ENDFORM
+ENDSUPFORM
+       }
     }
+
     $r->print('</body></html>');
     return OK;
 }