--- loncom/interface/lonindexer.pm	2009/05/21 00:36:16	1.181.4.1
+++ loncom/interface/lonindexer.pm	2009/03/18 13:47:14	1.193
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Directory Indexer
 #
-# $Id: lonindexer.pm,v 1.181.4.1 2009/05/21 00:36:16 raeburn Exp $
+# $Id: lonindexer.pm,v 1.193 2009/03/18 13:47:14 jms Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -104,7 +104,7 @@ sub handler {
     my $lonhost = $r->dir_config('lonHostID');
     my $tabdir  = $r->dir_config('lonTabDir');
 
-    my $fileclr='#ffffe6';
+#SB my $fileclr='#ffffe6';
     my $line;
     my (@attrchk,@openpath,$typeselect);
     my $uri=$r->uri;
@@ -177,7 +177,8 @@ ENDSUBM
 
 # --------------------- define extra fields and buttons in case of special mode
 	if ($env{'form.catalogmode'} eq 'interactive') {
-	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
+#SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
+            $extrafield='<td valign="bottom">'.
 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
 		' class="LC_icon" /></td>';
 	    $colspan=" colspan='2' ";
@@ -187,7 +188,8 @@ ENDSUBM
 END
         }
 	elsif ($env{'form.catalogmode'} eq 'import') {
-	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
+#SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
+            $extrafield='<td valign="bottom">'.
 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
 		' class="LC_icon" /></td>';
 	    $colspan=" colspan='2' ";
@@ -442,12 +444,12 @@ ENDHEADER
 					   'st' => 'Statistics',
 					   'au' => 'Author',
 					   'kw' => 'Keywords',
-                                           'sb' => 'Subject',
-                                           'nt' => 'Notes',
-                                           'ab' => 'Abstract',
+					   'sb' => 'Subject',
+					   'nt' => 'Notes',
+					   'gl' => 'Grade Level',
+					   'ab' => 'Abstract',
+					   'sd' => 'Standards',
 					   'ln' => 'Language',
-                                           'gl' => 'Grade Level',
-                                           'sd' => 'Standards',
 					   'sa' => 'Source Available',
 					   'sr' => 'Show resource',
 					   'li' => 'Linked/Related Resources',
@@ -456,7 +458,7 @@ ENDHEADER
 					   'pr' => 'Problems',
 					   'gr' => 'Graphics',
 					   'at' => 'All types',
-                                           'hd' => 'Display Options',
+					   'hd' => 'Display Options'
 					   );
 	$r->print(<<END);
 <fieldset>
@@ -548,47 +550,50 @@ END
 	    $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
 	}
 # ----------------- output starting row to the indexed file/directory hierarchy
-        my $titleclr="#ddffff";
         #$r->print(&initdebug());
         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
         #$r->print(&writedebug("Only:@Only")) if (@Only);
-        $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
-	$r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
-	$r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
-	$r->print("<td><b>".&mt('Title')."</b></td>\n") 
+        $r->print('<br /><br />');
+        $r->print(&Apache::loncommon::start_data_table()
+                 .&Apache::loncommon::start_data_table_header_row());
+	$r->print("<th $colspan>".&mt('Name')."</th>\n");
+	$r->print("<th>".&mt('Title')."</th>\n") 
 	    if ($hash{'display_attrs_0'} == 1);
-	$r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
-		  "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
-	$r->print("<td><b>".&mt("Last accessed")."</b></td>\n") 
+	$r->print('<th align="right">'.&mt("Size")." (".&mt("bytes").") ".
+		  "</th>\n") if ($hash{'display_attrs_1'} == 1);
+	$r->print("<th>".&mt("Last accessed")."</th>\n") 
 	    if ($hash{'display_attrs_2'} == 1);
-	$r->print("<td><b>".&mt("Last modified")."</b></td>\n")
+	$r->print("<th>".&mt("Last modified")."</th>\n")
 	    if ($hash{'display_attrs_3'} == 1);
-	$r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
+	$r->print("<th>".&mt("Author(s)")."</th>\n")
 	    if ($hash{'display_attrs_4'} == 1);
-	$r->print("<td><b>".&mt("Keywords")."</b></td>\n")
+	$r->print("<th>".&mt("Keywords")."</th>\n")
 	    if ($hash{'display_attrs_5'} == 1);
-	$r->print("<td><b>".&mt("Language")."</b></td>\n")
+	$r->print("<th>".&mt("Language")."</th>\n")
 	    if ($hash{'display_attrs_6'} == 1);
-	$r->print("<td><b>".&mt("Usage Statistics")." <br />(".
-		  &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
+	$r->print("<th>".&mt("Usage Statistics")." <br />(".
+		  &mt("Courses/Network Hits").") ".&mt('updated periodically')."</th>\n")
 	    if ($hash{'display_attrs_8'} == 1);
-	$r->print("<td><b>".&mt("Source Available")."</b></td>\n")
+	$r->print("<th>".&mt("Source Available")."</th>\n")
 	    if ($hash{'display_attrs_10'} == 1);
-	$r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
+	$r->print("<th>".&mt("Linked/Related Resources")."</th>\n")
 	    if ($hash{'display_attrs_11'} == 1);
-	$r->print("<td><b>".&mt("Resource")."</b></td>\n")
+	$r->print("<th>".&mt("Resource")."</th>\n")
 	    if ($hash{'display_attrs_7'} == 1);
-        $r->print("<th>".&mt("Subject")."</th>\n")
-            if ($hash{'display_attrs_12'} == 1);
-        $r->print("<th>".&mt("Notes")."</th>\n")
-            if ($hash{'display_attrs_13'} == 1);
-        $r->print("<th>".&mt("Abstract")."</th>\n")
-            if ($hash{'display_attrs_14'} == 1);
-        $r->print("<th>".&mt("Grade Level")."</th>\n")
-            if ($hash{'display_attrs_15'} == 1);
-        $r->print("<th>".&mt("Standards")."</th>\n")
-            if ($hash{'display_attrs_16'} == 1);
-	$r->print('</tr>');
+	$r->print("<th>".&mt("Subject")."</th>\n")
+	    if ($hash{'display_attrs_12'} == 1);
+	$r->print("<th>".&mt("Notes")."</th>\n")
+	    if ($hash{'display_attrs_13'} == 1);
+	$r->print("<th>".&mt("Abstract")."</th>\n")
+	    if ($hash{'display_attrs_14'} == 1);
+	$r->print("<th>".&mt("Grade Level")."</th>\n")
+	    if ($hash{'display_attrs_15'} == 1);
+	$r->print("<th>".&mt("Standards")."</th>\n")
+	    if ($hash{'display_attrs_16'} == 1);
+	    
+    $r->print(&Apache::loncommon::end_data_table_header_row());
+    
+    	
 
 # ----------------- read in what directories have previously been set to "open"
 	foreach (keys %hash) {
@@ -638,15 +643,13 @@ END
 
 # -------- recursively go through all the directories and output as appropriate
 	&scanDir ($r,$toplevel,$indent,\%hash);
-	
 
 # -------------------------------------------------------------- end the tables
-	$r->print('</table>');
+        $r->print(&Apache::loncommon::end_data_table());
+
 # ---------------------------- embed hidden information useful for group import
 	$r->print("<form name='fnum' action=''>");
 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
-# -------------------------------------------------------------- end the tables
-	$r->print('</td></tr></table>');
 
 # --------------------------------------------------- end the output and return
 	$r->print(&Apache::loncommon::end_page()."\n");
@@ -843,7 +846,7 @@ sub display_line {
 	$pathprefix=$startdir;
     }
     my $dirptr=16384;
-    my $fileclr="#ffffe6";
+#SB my $fileclr="#ffffe6";
     my $iconpath= $r->dir_config('lonIconsURL') . '/';
 
     my @filecom = split (/\&/,$line);
@@ -859,7 +862,7 @@ sub display_line {
 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
 	    if ($i != 9 &&
 		$hash{'display_attrs_'.$i} == 1);
-	$i++;
+		$i++;
     }
     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
 
@@ -870,7 +873,9 @@ sub display_line {
 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
 	$updir=~s/\/+/\//g;
 
-	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
+#SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
+        $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?
+        $r->print($extrafield);
 	$r->print("<td>\n");
 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
 		   '/" '.
@@ -879,13 +884,14 @@ sub display_line {
 		   'enctype="application/x-www-form-urlencoded"'.
                    '>'."\n");
 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
-	$r->print ('<input type="hidden" name="openuri" value="'.
+	$r->print ('<input type=hidden name=openuri value="'.
 		   $startdir.'" />'."\n");
 	$r->print ('<input type="hidden" name="acts" value="" />'."\n");
 	$r->print ('<input src="'.$iconpath.'arrow_up.gif"');
 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
 		   "\n");
-	$r->print(&mt("Up")."</form>$tabtag</tr>\n");
+	$r->print(&mt("Up")."</form>$tabtag");
+        $r->print(&Apache::loncommon::end_data_table_row());
 	return OK;
     }
 # Do we have permission to look at this?
@@ -893,13 +899,15 @@ sub display_line {
     if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
 
 # make absolute links appear on different background
-    if ($absolute) { $fileclr='#ccdd99'; }
+#SB    if ($absolute) { $fileclr='#ccdd99'; }
 
 # display domain
     if ($filecom[1] eq 'domain') {
  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
  	    if ($env{'form.dirPointer'} eq "on");
-	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
+#SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
+	$r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
+        $r->print($extrafield);
 	$r->print("<td>");
 	&begin_form ($r,$filecom[0]);
 	my $anchor = $filecom[0];
@@ -919,7 +927,8 @@ sub display_line {
 	    $r->print("(".&Apache::lonnet::domain($listname,'description').
 		      ")");
 	}
-	$r->print ("</form>$tabtag</tr>\n");
+	$r->print("</form>$tabtag");
+         $r->print(&Apache::loncommon::end_data_table_row());
 	return OK;
 
 # display user directory
@@ -929,7 +938,9 @@ sub display_line {
 	my $curdir = $startdir.$filecom[0].'/';
 	my $anchor = $curdir;
 	$anchor =~ s/\W//g;
-	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
+#SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
+        $r->print(&Apache::loncommon::start_data_table_row()
+                 .$extrafield.'<td valign="'.$valign.'">');
 	&begin_form ($r,$curdir);
 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
 		   'whitespace1.gif" class="LC_icon" />'."\n");
@@ -946,7 +957,8 @@ sub display_line {
 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
 	$r->print ($listname);
 	if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
-	$r->print ('</form>'.$tabtag.'</tr>'."\n");
+	$r->print('</form>'.$tabtag);
+        $r->print(&Apache::loncommon::end_data_table_row());
 	return OK;
     }
 
@@ -969,8 +981,9 @@ sub display_line {
         }
 	# Set the icon for the file
 	my $iconname = &Apache::loncommon::icon($listname);
-	$r->print('<tr valign="'.$valign.'" bgcolor="'.$fileclr.'">'.
-                  '<td valign="top"><span class="LC_nobreak">');
+#SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">);
+	$r->print(&Apache::loncommon::start_data_table_row()); #SB valign="$valign" ?!?
+        $r->print('<td valign="top"><span class="LC_nobreak">');
 	
         if ($env{'form.catalogmode'} eq 'interactive') {
 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
@@ -1071,7 +1084,6 @@ sub display_line {
 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
 		      " </td>\n");
 	}
-#'
 
 	if ($hash{'display_attrs_6'} == 1) {
 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
@@ -1083,11 +1095,17 @@ sub display_line {
 # statistics
 	    &dynmetaread($filelink);
 	    $r->print("<td>");
-            for (qw(count course stdno avetries difficulty disc clear technical
-                correct helpful depth)) {
-
-                &dynmetaprint($r,$filelink,$_);
-            }
+	    &dynmetaprint($r,$filelink,'count');
+	    &dynmetaprint($r,$filelink,'course');
+	    &dynmetaprint($r,$filelink,'stdno');
+	    &dynmetaprint($r,$filelink,'avetries');
+	    &dynmetaprint($r,$filelink,'difficulty');
+	    &dynmetaprint($r,$filelink,'disc');
+	    &dynmetaprint($r,$filelink,'clear');
+	    &dynmetaprint($r,$filelink,'technical');
+	    &dynmetaprint($r,$filelink,'correct');
+	    &dynmetaprint($r,$filelink,'helpful');
+	    &dynmetaprint($r,$filelink,'depth');
 	    $r->print("&nbsp;</td>\n");
 
 	}
@@ -1110,59 +1128,70 @@ sub display_line {
 	   &dynmetaread($filelink);
 	   $r->print('<td>');
 	   &coursecontext($r,$filelink);
-           for (qw(goto_list comefrom_list sequsage_list dependencies course_list)) {
-               &dynmetaprint($r,$filelink,$_);
-           }
-           $r->print('</td>');
+	   &dynmetaprint($r,$filelink,'goto_list');
+	   &dynmetaprint($r,$filelink,'comefrom_list');
+	   &dynmetaprint($r,$filelink,'sequsage_list');
+	   &dynmetaprint($r,$filelink,'dependencies');
+           &dynmetaprint($r,$filelink,'course_list');
+	   $r->print('</td>');
         }
-        if ($hash{'display_attrs_7'} == 1) {
+        
+   
+	
+	if ($hash{'display_attrs_7'} == 1) {
 # Show resource
 	   my $output=&showpreview($filelink);
            $r->print('<td> '.($output eq '' ? '&nbsp;':$output).
 		      " </td>\n");
-        }
-        if ($hash{'display_attrs_12'} == 1) {
-            my $subject = &Apache::lonnet::metadata($filelink,'subject');
-            $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
-                      " </td>\n");
-        }
-
-        if ($hash{'display_attrs_13'} == 1) {
-            my $notes = &Apache::lonnet::metadata($filelink,'notes');
-            $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
-                      " </td>\n");
-        }
-
-        if ($hash{'display_attrs_14'} == 1) {
-            my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
-            $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
-                      " </td>\n");
-        }
-
-        if ($hash{'display_attrs_15'} == 1) {
-            my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
-            $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
-                      " </td>\n");
-        }
-
-        if ($hash{'display_attrs_16'} == 1) {
-            my $standards = &Apache::lonnet::metadata($filelink,'standards');
-            $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
-                      " </td>\n");
-        }
-
-	$r->print("</tr>\n");
     }
+    
+    if ($hash{'display_attrs_12'} == 1) {
+	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
+	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
+		      " </td>\n");
+	}
+	
+	if ($hash{'display_attrs_13'} == 1) {
+	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
+	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
+		      " </td>\n");
+	}
+	
+	if ($hash{'display_attrs_14'} == 1) {
+	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
+	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
+		      " </td>\n");
+	}
+	
+	if ($hash{'display_attrs_15'} == 1) {
+	    my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
+	    $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
+		      " </td>\n");
+	}
+	
+	if ($hash{'display_attrs_16'} == 1) {
+	    my $standards = &Apache::lonnet::metadata($filelink,'standards');
+	    $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
+		      " </td>\n");
+	}
+	
+	$r->print(&Apache::loncommon::end_data_table_row());
+}
+    
+    
 
 # -- display directory
     if ($fnptr == $dirptr) {
 	my $curdir = $startdir.$filecom[0].'/';
 	my $anchor = $curdir;
 	$anchor =~ s/\W//g;
-	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
+#SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
+        $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?)
+#	$r->print('<tr class="LC_info_row">');
+        $r->print($extrafield.'<td valign="'.$valign.'">');
 	&begin_form ($r,$curdir);
 	my $indentm1 = $indent-1;
-	if ($indentm1 < 16 and $indentm1 > 0) {
+	if ($indentm1 < 12 and $indentm1 > 0) {
 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
 		      ".gif class='LC_icon' />\n");
 	} else {
@@ -1197,7 +1226,7 @@ sub display_line {
 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
 		      ' </td>'."\n");
 	}
-	$r->print('<td align=right> ',
+	$r->print('<td align="right"> ',
 		  $filecom[8]," </td>\n") 
 	    if $hash{'display_attrs_1'} == 1;
 	$r->print('<td> '.
@@ -1224,6 +1253,7 @@ sub display_line {
 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
 		      " </td>\n");
 	}
+	
 	if ($hash{'display_attrs_8'} == 1) {
 	   $r->print('<td>&nbsp;</td>');
 	}
@@ -1232,41 +1262,40 @@ sub display_line {
 	}
 	if ($hash{'display_attrs_7'} == 1) {
 	   $r->print('<td>&nbsp;</td>');
-        }
-        if ($hash{'display_attrs_12'} == 1) {
-            my $subject = &Apache::lonnet::metadata($filelink,'subject');
-            $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
-                      " </td>\n");
-        }
-        if ($hash{'display_attrs_11'} == 1) {
-            $r->print('<td>&nbsp;</td>');
-        }
-        if ($hash{'display_attrs_12'} == 1) {
-            my $subject = &Apache::lonnet::metadata($filelink,'subject');
-            $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
-                      " </td>\n");
-        }
-        if ($hash{'display_attrs_13'} == 1) {
-            my $notes = &Apache::lonnet::metadata($filelink,'notes');
-            $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
-                      " </td>\n");
-        }
-        if ($hash{'display_attrs_14'} == 1) {
-            my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
-            $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
-                      " </td>\n");
-        }
-        if ($hash{'display_attrs_15'} == 1) {
-            my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
-            $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
-                      " </td>\n");
-        }
-        if ($hash{'display_attrs_16'} == 1) {
-            my $standards = &Apache::lonnet::metadata($filelink,'standards');
-            $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
-                      " </td>\n");
-        }
-	$r->print('</tr>');
+    }     
+    if ($hash{'display_attrs_11'} == 1) {
+	   $r->print('<td>&nbsp;</td>');
+	}
+	if ($hash{'display_attrs_12'} == 1) {
+	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
+	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
+		      " </td>\n");
+	}
+	if ($hash{'display_attrs_13'} == 1) {
+	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
+	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
+		      " </td>\n");
+	}
+	
+	if ($hash{'display_attrs_14'} == 1) {
+	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
+	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
+		      " </td>\n");
+	}
+	
+	if ($hash{'display_attrs_15'} == 1) {
+	    my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
+	    $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
+		      " </td>\n");
+	}
+	
+	if ($hash{'display_attrs_16'} == 1) {
+	    my $standards = &Apache::lonnet::metadata($filelink,'standards');
+	    $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
+		      " </td>\n");
+	}
+	
+	$r->print(&Apache::loncommon::end_data_table_row());
     }
 
 }