--- loncom/homework/structuretags.pm	2010/02/28 23:28:54	1.465
+++ loncom/homework/structuretags.pm	2010/11/09 17:52:13	1.465.2.6
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # definition of tags that give a structure to a document
 #
-# $Id: structuretags.pm,v 1.465 2010/02/28 23:28:54 raeburn Exp $
+# $Id: structuretags.pm,v 1.465.2.6 2010/11/09 17:52:13 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -66,7 +66,7 @@ use lib '/home/httpd/lib/perl/';
 use LONCAPA;
  
 BEGIN {
-    &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startouttext','endouttext','simpleeditbutton','definetag'));
+    &Apache::lonxml::register('Apache::structuretags',('block','languageblock','translated','instructorcomment','while','randomlist','problem','library','web','tex','part','preduedate','postanswerdate','solved','notsolved','problemtype','startpartmarker','startouttext','endpartmarker','endouttext','simpleeditbutton','definetag'));
 }
 
 sub start_web {
@@ -161,6 +161,45 @@ function setmode(form,probmode) {
 ENDSCRIPT
 }
 
+sub file_delchk_js {
+    my $delfilewarn = &mt('You have indicated you wish to delete some files previously included for submission.').'\\n'.
+                          &mt('Deleted files will not be graded.').' '.
+                          &mt('Submit Answer?');
+    return <<"ENDSCRIPT";
+<script type="text/javascript">
+function file_deletion_check(formname) {
+    var str = new RegExp("^HWFILE.+_delete\$");
+    var delfilecount = 0;
+    var elemnum = formname.elements.length;
+    if (elemnum == 0) {
+        return true;
+    }
+    for (i=0; i<formname.elements.length; i++) {
+        var id = formname.elements[i].id;
+        if (id != '') {
+            if (str.test(id)) {
+                if (formname.elements[i].type == 'checkbox') {
+                    if (formname.elements[i].checked) {
+                        delfilecount ++;
+                    }
+                }
+            }
+        }
+    }
+    if (delfilecount > 0) {
+        if (confirm("$delfilewarn")) {
+            return true;
+        } else {
+            return false;
+        }
+    } else {
+        return true;
+    }
+}
+</script>
+ENDSCRIPT
+}
+
 sub page_start {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$name,
 	$extra_head)=@_;
@@ -177,12 +216,17 @@ sub page_start {
 					   $parstack,$parser,$safeeval);
     }
 
-    $extra_head .= &homework_js();
-
-    if ($env{'environment.wysiwygeditor'} eq 'on') {
-	$extra_head .= &Apache::lonhtmlcommon::dragmath_js("FCKEditMathPopup");
-    } else {
-        $extra_head .= &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
+    $extra_head .= &homework_js().
+                   &Apache::lonhtmlcommon::dragmath_js("EditMathPopup");
+    if (&Apache::lonhtmlcommon::htmlareabrowser()) {
+        my %textarea_args = (
+                                dragmath => 'math',
+                              );
+        $extra_head .= &Apache::lonhtmlcommon::htmlareaselectactive(\%textarea_args);
+    }
+    my $is_task = ($env{'request.uri'} =~ /\.task$/);
+    if ($is_task) {
+        $extra_head .= &file_delchk_js();
     }
 
     my %body_args;
@@ -280,6 +324,9 @@ sub page_start {
 	if ($target eq 'edit') {
 	    $form_tag_start.=&Apache::edit::form_change_detection();
 	}
+        if ($is_task) {
+            $form_tag_start .= ' onsubmit="return file_deletion_check(this);"';
+        }
 	$form_tag_start.='>'."\n";
 
 	my $symb=&Apache::lonnet::symbread();
@@ -405,8 +452,6 @@ sub problem_edit_footer {
   <hr style="clear:both;" />
 </div>
 '.
-
-    &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields()).
     "\n</form>\n".&Apache::loncommon::end_page();
 }
 
@@ -633,9 +678,7 @@ sub finalize_storage {
 	    $result=&Apache::lonnet::cstore(\%Apache::lonhomework::results,
 					    $symb,$courseid,$domain,$name);
 	    &Apache::lonxml::debug('Store return message:'.$result);
-            if ($env{'request.role'} =~/^st/) {
-                &store_aggregates($symb,$courseid);
-            }
+            &store_aggregates($symb,$courseid);
 	}
     } else {
 	&Apache::lonxml::debug('Nothing to store');
@@ -655,7 +698,7 @@ item store_aggregates()
 
 sub store_aggregates {
     my ($symb,$courseid) = @_;
-    my %aggregate;
+    my (%aggregate,%anoncounter);
     my @parts;
     my $cdomain = $env{'course.'.$env{'request.course.id'}.'.domain'};
     my $cname = $env{'course.'.$env{'request.course.id'}.'.num'};
@@ -665,28 +708,51 @@ sub store_aggregates {
         }
     }
     foreach my $part (@parts) {
-        if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
-	    eq 'APPROX_ANS' ||
-	    $Apache::lonhomework::results{'resource.'.$part.'.award'}
-	    eq 'EXACT_ANS') {
-            $aggregate{$symb."\0".$part."\0correct"} = 1;
+        if ($env{'request.role'} =~/^st/) {
+            if ($Apache::lonhomework::results{'resource.'.$part.'.award'}
+                eq 'APPROX_ANS' ||
+                $Apache::lonhomework::results{'resource.'.$part.'.award'}
+                eq 'EXACT_ANS') {
+                $aggregate{$symb."\0".$part."\0correct"} = 1;
+            }
+            if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
+                $aggregate{$symb."\0".$part."\0users"} = 1;
+            } else {
+                my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]);
+                if ($last_reset) {
+                    if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
+                        $aggregate{$symb."\0".$part."\0users"} = 1;
+                    }
+                }
+            }
+            $aggregate{$symb."\0".$part."\0attempts"} = 1;
         }
-        if ($Apache::lonhomework::results{'resource.'.$part.'.tries'} == 1) {
-            $aggregate{$symb."\0".$part."\0users"} = 1;
-        } else {
-            my (undef,$last_reset) = &Apache::grades::get_last_resets($symb,$env{'request.course.id'},[$part]); 
-            if ($last_reset) {
-                if (&Apache::grades::get_num_tries(\%Apache::lonhomework::history,$last_reset,$part) == 0) {
-                    $aggregate{$symb."\0".$part."\0users"} = 1;
+        if (($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurvey') ||
+            ($Apache::lonhomework::results{'resource.'.$part.'.type'} eq 'anonsurveycred')) {
+            $anoncounter{$symb."\0".$part} = 1;
+            my $needsrelease = $Apache::lonnet::needsrelease{'parameter:type:'.$Apache::lonhomework::results{'resource.'.$part.'.type'}};
+            if ($needsrelease) {
+                my $curr_required = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
+                if ($curr_required eq '') {
+                    &Apache::lonnet::update_released_required($needsrelease);
+                } else {
+                    my ($currmajor,$currminor) = split(/\./,$curr_required);
+                    my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
+                    if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
+                        &Apache::lonnet::update_released_required($needsrelease);
+                    }
                 }
             }
         }
-        $aggregate{$symb."\0".$part."\0attempts"} = 1;
     }
     if (keys (%aggregate) > 0) {
 	&Apache::lonnet::cinc('nohist_resourcetracker',\%aggregate,
                             $cdomain,$cname);
     }
+    if (keys(%anoncounter) > 0) {
+        &Apache::lonnet::cinc('nohist_anonsurveys',\%anoncounter,
+                            $cdomain,$cname);
+    }
 }
 
 sub checkout_msg {
@@ -1177,7 +1243,6 @@ sub end_problem {
 	    if ($target ne 'tex' &&
 		$env{'form.answer_output_mode'} ne 'tex') {
 		$result.="</form>";
-		$result.= &Apache::lonhtmlcommon::htmlareaselectactive(&Apache::lonhtmlcommon::get_htmlareafields());
 	    }
 	    if ($target eq 'web') {
 		$result.= &Apache::loncommon::end_page({'discussion' => 1});
@@ -1494,7 +1559,7 @@ sub start_instructorcomment {
 
     if ($target eq 'web' || $target eq 'grade'   || $target eq 'answer' ||
 	$target eq 'tex' || $target eq 'analyze' || $target eq 'webgrade') {
-        $result=($env{'request.role'}=~/^(in|cc|au|ca|li)/);
+        $result=($env{'request.role'}=~/^(in|cc|co|au|ca|li)/);
 	if ( (! $result) or ($env{'form.instructor_comments'} eq 'hide')) {
 	    my $skip=&Apache::lonxml::get_all_text("/instructorcomment",
 						   $parser,$style);
@@ -1699,6 +1764,44 @@ sub ordered_show_check {
     return $in_order_show;
 }
 
+sub start_startpartmarker {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my $result='';
+    if ($target eq 'edit') {
+        $result=&Apache::edit::tag_start($target,$token);
+        $result.=&mt('Marker for the start of a part. Place end marker below to wrap in-between tags into a new part.').'</td></tr>';
+        $result.=&Apache::edit::end_table();
+
+    }
+    return $result;
+}
+
+sub end_startpartmarker {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my @result;
+    if ($target eq 'edit') { $result[1]='no'; }
+    return @result;
+}
+
+sub start_endpartmarker {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my $result='';
+    if ($target eq 'edit') {
+        $result=&Apache::edit::tag_start($target,$token);
+        $result.=&mt('Marker for the end of a part. Place start marker above to wrap in-between tags into a new part.').'</td></tr>';
+        $result.=&Apache::edit::end_table();
+
+    }
+    return $result;
+}
+
+sub end_endpartmarker {
+    my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
+    my @result;
+    if ($target eq 'edit') { $result[1]='no'; }
+    return @result;
+}
+
 sub start_part {
     my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_;
     if (!$Apache::lonxml::metamode) {
@@ -1788,7 +1891,7 @@ sub start_part {
 
 		    }
 		} elsif ($target eq 'web') {
-		    $result.='<a name="'.&escape($Apache::inputtags::part).'" />';
+		    $result.='<a name="'.&escape($Apache::inputtags::part).'"></a>';
 		}
 	    }
 	}
@@ -1998,17 +2101,15 @@ sub end_startouttext {
 	$result.=&Apache::edit::start_table($token)."<tr><td>".&mt('Text Block')."</td>"
                  .'<td><span class="LC_nobreak">'.&mt('Delete?').' '
                  .&Apache::edit::deletelist($target,$token)
-                 .'</span></td>';
-        unless ($env{'environment.wysiwygeditor'} eq 'on') {
-	    $result .= '<td align="left">'
-		.&Apache::lonhtmlcommon::dragmath_button($areaid,1)
-		.'</td>'
-		.'<td>'
-		.&Apache::edit::insertlist($target,$token)
-		.'</td>';
-	}
-	$result.='<td align="right" valign="top">' .
-	    &Apache::loncommon::helpLatexCheatsheet().
+                 .'</span></td>'
+	         .'<td align="left"><span id="math_'.$areaid.'" />'
+		 .&Apache::lonhtmlcommon::dragmath_button($areaid,1)
+		 .'</td>'
+		 .'<td>'
+		 .&Apache::edit::insertlist($target,$token)
+		 .'</td>'
+	         .'<td align="right" valign="top">' .
+	         &Apache::loncommon::helpLatexCheatsheet().
 		 &Apache::edit::end_row().
                  &Apache::edit::start_spanning_row()."\n".
 		 &Apache::edit::editfield($token->[1],$text,"",80,8,1);