--- rat/lonsequence.pm	2006/04/04 15:32:12	1.26
+++ rat/lonsequence.pm	2007/12/01 01:59:54	1.32
@@ -2,7 +2,7 @@
 #
 # Sequence Handler
 #
-# $Id: lonsequence.pm,v 1.26 2006/04/04 15:32:12 albertel Exp $
+# $Id: lonsequence.pm,v 1.32 2007/12/01 01:59:54 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -26,8 +26,6 @@
 #
 # http://www.lon-capa.org/
 #
-# (Handler to resolve ambiguous file locations
-#
 
 package Apache::lonsequence;
 
@@ -35,11 +33,12 @@ use strict;
 use Apache::lonnet;
 use Apache::Constants qw(:common :http REDIRECT);
 use GDBM_File;
-use Apache::lonratedt;
-use Apache::lonratsrv;
-use Apache::lonpageflip;
-use Apache::loncommon;
+use LONCAPA::map();
+use Apache::lonpageflip();
+use Apache::loncommon();
+use Apache::groupsort();
 use Apache::lonlocal;
+use HTML::Entities();
 
 my %selhash;
 my $successtied;
@@ -47,10 +46,10 @@ my $successtied;
 # ----------------------------------------- Attempt to read from resource space
 
 sub attemptread {
-    my $fn=shift;
+    my ($fn,$unsorted)=@_;
     &Apache::lonnet::repcopy($fn);
     if (-e $fn) {
-	return &Apache::lonratedt::attemptread($fn);
+	return &LONCAPA::map::attemptread($fn,$unsorted);
     } else {
         return ();
     }
@@ -60,7 +59,7 @@ sub mapread {
     my $fn=shift;
     &Apache::lonnet::repcopy($fn);
     if (-e $fn) {
-	return &Apache::lonratedt::mapread($fn,'');
+	return &LONCAPA::map::mapread($fn,'');
     } else {
         return ();
     }
@@ -108,7 +107,7 @@ onClick="javascript:select_group()">
 </form>   
 ENDSELECT
     my $diropendb = 
-    "/home/httpd/perl/tmp/$env{'user.domain'}\_$env{'user.name'}_groupsec.db";
+    "/home/httpd/perl/tmp/$env{'user.domain'}\_$env{'user.name'}_sel_res.db";
         if (tie(%selhash,'GDBM_File',$diropendb,&GDBM_WRCREAT(),0640)) {
 	    if ($env{'form.launch'} eq '1') {
 	       &start_fresh_session();
@@ -116,46 +115,9 @@ ENDSELECT
             $successtied=1;
 
 # - Evaluate actions from previous page (both cumulatively and chronologically)
-        if ($env{'form.catalogmode'} eq 'groupimport') {
-	    my $acts=$env{'form.acts'};
-	    my @Acts=split(/b/,$acts);
-	    my %ahash;
-	    my %achash;
-	    my $ac=0;
-	    # some initial hashes for working with data
-	    foreach (@Acts) {
-		my ($state,$ref)=split(/a/);
-		$ahash{$ref}=$state;
-		$achash{$ref}=$ac;
-		$ac++;
-	    }
-	    # sorting through the actions and changing the tied database hash
-	    foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
-		my $key=$_;
-		if ($ahash{$key} eq '1') {
-		    $selhash{'store_'.$selhash{'pre_'.$key.'_link'}}=
-			$selhash{'pre_'.$key.'_title'};
-		    $selhash{'storectr_'.$selhash{'pre_'.$key.'_link'}}=
-			$selhash{'storectr'}+0;
-		    $selhash{'storectr'}++;
-		}
-		if ($ahash{$key} eq '0') {
-		    if ($selhash{'store_'.$selhash{'pre_'.$key.'_link'}}) {
-		       delete $selhash{'store_'.$selhash{'pre_'.$key.'_link'}};
-		    }
-		}
+	    if ($env{'form.catalogmode'} eq 'import') {
+		&Apache::groupsort::update_actions_hash(\%selhash);
 	    }
-	    # deleting the previously cached listing
-	    foreach (keys %selhash) {
-		if ($_ =~ /^pre_/ && $_ =~/link$/) {
-		    my $key = $_;
-		    $key =~ s/^pre_//;
-		    $key =~ s/_[^_]*$//;
-		    delete $selhash{'pre_'.$key.'_title'};
-		    delete $selhash{'pre_'.$key.'_link'};
-		}
-	    }
-	}
 # -
         }
     }
@@ -172,10 +134,15 @@ ENDSELECT
 		$r->print('<form name="form'.$idx.'">');
             }
 	    my ($title,$url)=split(/\:/,$_);
-            $title=~s/\&colon\;/\:/g;
-            $url=~s/\&colon\;/\:/g;
-            unless ($title) { $title=(split(/\//,$url))[-1] };
-            unless ($title) { $title='<i>'.&mt('Empty').'</i>'; }
+	    $title = &LONCAPA::map::qtescape($title);
+	    unless ($title) { $title=(split(/\//,$url))[-1] };
+            my $enc_title = &HTML::Entities::encode($title,'\'"<>&');
+	    unless ($title) {
+		$title='<i>'.&mt('Empty').'</i>';
+		$enc_title = &mt('Empty');
+	    }
+	    $url  = &LONCAPA::map::qtescape($url);
+            my $enc_url = &HTML::Entities::encode($url,'\'"<>&');
             if ($url) {
 		if ($successtied) {
 		    my $checked='';
@@ -184,16 +151,17 @@ ENDSELECT
 	           }
 	           $selhash{"pre_${idx}_link"}=$url;
 	           $selhash{"pre_${idx}_title"}=$title;
-
+		    
+		    $url  = &HTML::Entities::encode($url, '\'"<>&');
 		    $r->print(<<ENDCHECKBOX);
 <input type='checkbox' name='filelink' 
-value='$url' onClick='javascript:queue("form$idx")'$checked>
-<input type='hidden' name='title' value='$title'>
+value='$enc_url' onClick='javascript:queue("form$idx")'$checked />
+<input type='hidden' name='title' value='$enc_title' />
 ENDCHECKBOX
                 }
-		$r->print('<a href="'.&Apache::lonratsrv::qtescape($url).'">');
+		$r->print('<a href="'.$enc_url.'">');
             }
-            $r->print(&Apache::lonratsrv::qtescape($title));
+            $r->print($enc_title);
             if ($url) { $r->print('</a>'); }
             if ($successtied) {
 		$r->print('</form>');