--- loncom/publisher/testbankimport.pm	2008/07/08 07:17:46	1.16
+++ loncom/publisher/testbankimport.pm	2008/09/24 19:48:29	1.18
@@ -1,5 +1,5 @@
 # Handler for parsing text upload problem descriptions into .problems
-# $Id: testbankimport.pm,v 1.16 2008/07/08 07:17:46 raeburn Exp $
+# $Id: testbankimport.pm,v 1.18 2008/09/24 19:48:29 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1163,8 +1163,8 @@ sub page_footer {
     my $nextval = &mt('Next Page');
     my $prevclick = 'javascript:backPage();';
     my $nextclick = 'javascript:nextPage();';
-    my $go = ''; 
-    if ($page == 0) {
+    my $go = '';
+    if (($page == 0) || ($state eq 'badfile')) {
         $go = 'NextPage';
         $prevval = &mt('Exit Now');
         $prevclick = 'javascript:location.href='."'$webpath';";
@@ -1187,7 +1187,8 @@ sub page_footer {
        <input type="hidden" name="filename" value="'.$fn.'" />
        <input type="hidden" name="page" value="'.$page.'" />
        <input type="hidden" name="phase" value="three" />
-       <input type="hidden" name="go" value="'.$go.'" />';
+       <input type="hidden" name="go" value="'.$go.'" />
+       <input type="hidden" name="timestamp" value="'.$env{'form.timestamp'}.'" />';
     if ($page ne '') {
         $output .= '
        <table border="0">
@@ -1195,7 +1196,7 @@ sub page_footer {
          <td>
           <input type="button" name="backpage" value="'.$prevval.'" onclick="'.$prevclick.'" />
          </td>';
-        if ($page < 4)  {
+        if (($page < 4) && ($state ne 'badfile'))  {
             $output .= '
          <td>&nbsp;</td>
          <td>
@@ -1327,7 +1328,6 @@ sub create_mcq {
     my $qstn = ${$qstnref}[0];
     my $numfoils = scalar(@{$qstnref}) - 1; 
     my $datestamp = localtime;
-    my $timestamp = time;
     my $numansrs = scalar(@{$answerref});
     my $output = '<problem>
  <startouttext />';
@@ -1599,12 +1599,18 @@ sub probfile_name {
 }
 
 sub file_error {
-    my ($r,$uname,$fn,$current_page);
-    $r->print("No data here");
+    my ($r,$uname,$fn,$current_page,$webpath,$res) = @_;
+    $r->print('<p><form name="display" method="post" action="/adm/testbank">'.&mt('The file you uploaded does not appear to be in the correct format.').
+              '</p><p>'.&mt('Extraction of questions is only possible for the following file types:').
+              '<ul><li>'.&mt('plain text').'</li><li>RTF</li><li>HTML</li></ul>'.
+              &mt('The file type identified for the file you uploaded is [_1].','<b>'.$res.'</b>').'</p>');
+    $r->print(&page_footer($env{'form.newdir'},$uname,$fn,$current_page,$webpath,undef,'badfile').
+             '</form>');
+    return;
 }
 
 sub parse_datafile {
-    my ($r,$uname,$filename,$pathname,$dirpath,$urlpath,$page_name,$subdir) = @_;
+    my ($r,$uname,$filename,$pathname,$dirpath,$urlpath,$page_name,$subdir,$timestamp) = @_;
     my ($badfile,$res,%allfiles,%codebase);
     my $mm = new File::MMagic;
     my ($text,$header,$css,$js);
@@ -1617,16 +1623,18 @@ sub parse_datafile {
                 close(TESTBANK);
             } elsif ($res eq 'application/rtf') {
                 my $html = '';
-#                my $image_uri = '..'.$pathname;
-                my $image_uri = $pathname;
+                my $image_uri = $timestamp;
                 if ($page_name eq 'Target') {
-                    $image_uri = $urlpath;
+                    $image_uri = $urlpath.'/'.$timestamp;
                 }
-                $image_uri =~ s/\/$//;
                 my $image_dir;
                 if ($page_name eq 'Blocks') {
                     $image_dir = $dirpath;
                     $image_dir =~ s/\/$//;
+                    $image_dir .= '/'.$timestamp;
+                    if (!-e $image_dir) {
+                        mkdir($image_dir,0755);
+                    }
                 } else {
                     $image_dir = $r->dir_config('lonDaemons').'/tmp/'.
                                  $env{'user.name'}.'_'.$env{'user.domain'}.
@@ -1645,10 +1653,10 @@ sub parse_datafile {
                 $parser->parse();
                 utf8::decode($html);
                 ($text,$header,$css,$js) = 
-                    &parse_htmlcontent($res,$subdir,$html);
+                    &parse_htmlcontent($res,$subdir,$html,undef,$page_name);
             } elsif ($res eq 'text/html') {
                 ($text,$header,$css,$js) = 
-                    &parse_htmlcontent($res,$subdir,undef,$dirpath.$filename);
+                    &parse_htmlcontent($res,$subdir,undef,$dirpath.$filename,$page_name);
             } else {
                 $badfile = 1;
             }
@@ -1658,7 +1666,7 @@ sub parse_datafile {
 }
 
 sub parse_htmlcontent {
-    my ($res,$subdir,$html,$fullpath) = @_;
+    my ($res,$subdir,$html,$fullpath,$page_name) = @_;
     my ($p,$fh);
     if ($res eq 'application/rtf') {
         $p = HTML::TokeParser->new( \$html );
@@ -1696,7 +1704,10 @@ sub parse_htmlcontent {
                     my $contents = $token->[4];
                     if ($subdir ne '') {
                         if (($token->[1] eq 'img') && ($token->[2]->{'src'} ne '')) {
-                            $contents =~ s/(src=\s*["']?)/$1..\//i;
+                            if (($res eq 'text/html') || 
+                                ($res eq 'application/rtf') && ($page_name ne 'Target')) {
+                                $contents =~ s/(src=\s*["']?)/$1..\//i;
+                            }
                         }
                     }
                     if (($line eq '') && ($current_tag eq 'font')) {
@@ -1830,6 +1841,9 @@ sub handler {
         $current_page = &display_control();
         my @pages = ('Welcome','Blocks','Format','Target','Confirmation');
         $page_name = $pages[$current_page];
+        if ($env{'form.timestamp'} eq '') {
+            $env{'form.timestamp'} = time; 
+        }
         if ($env{'form.newdir'} ne '') {
             if ($env{'form.newdir'} =~ /^\Q$dirpath\E(.+)$/) {
                 $subdir = $1;
@@ -1837,7 +1851,7 @@ sub handler {
         }
         ($res,$badfile,$textref,$header,$css,$js) = 
             &parse_datafile($r,$uname,$filename,$pathname,$dirpath,$urlpath,
-                            $page_name,$subdir);
+                            $page_name,$subdir,$env{'form.timestamp'});
         if ($page_name eq 'Welcome') {
              &jscript_zero($webpath,\$javascript);
         } elsif ($page_name eq 'Blocks') {
@@ -1875,7 +1889,7 @@ sub handler {
             $r->print(&Apache::lonupload::phasethree($r,$fn,$uname,$udom,'testbank'));
         }
         if ($badfile) {
-            &file_error($r,$uname,$fn,$current_page);
+            &file_error($r,$uname,$fn,$current_page,$webpath,$res);
         } else {        
             &display_zero ($r,$uname,$fn,$current_page,$webpath) if $page_name eq 'Welcome';
             &display_one ($r,$uname,$fn,$current_page,$textref,$header) if $page_name eq 'Blocks';