--- loncom/homework/edit.pm	2007/01/29 23:51:19	1.104
+++ loncom/homework/edit.pm	2007/09/07 00:21:05	1.109
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA 
 # edit mode helpers
 #
-# $Id: edit.pm,v 1.104 2007/01/29 23:51:19 albertel Exp $
+# $Id: edit.pm,v 1.109 2007/09/07 00:21:05 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -112,13 +112,19 @@ sub end_table {
     my ($tagname,$closingtag);
     if (defined($Apache::edit::inserttag[-2])) {
 	$tagname=$Apache::edit::inserttag[-2];
-    } else {$tagname='problem';}
+    } else {
+	if ($Apache::lonhomework::parsing_a_task) {
+	    $tagname='Task';
+	} else {
+	    $tagname='problem';
+	}
+    }
     if (defined($Apache::edit::inserttag[-1])) {
 	$closingtag=$Apache::edit::inserttag[-1];
     }
     $result.=&innerinsertlist('edit',$tagname,$closingtag).
 	"</td></tr></table></div>";
-    pop(@Apache::edit::inserttag);
+    my $last = pop(@Apache::edit::inserttag);
     return $result;
 }
 
@@ -232,11 +238,11 @@ sub handle_insertafter {
 	return '';
     }
     my $tagnum =$env{"form.insert_after_$tagname\_$Apache::lonxml::curdepth"};
-    return &do_insert($tagnum);
+    return &do_insert($tagnum,1);
 }
 
 sub do_insert {
-    my ($tagnum) = @_;
+    my ($tagnum,$after) = @_;
     my $result;
 
     my $newtag = $Apache::lonxml::insertlist{"$tagnum.tag"};
@@ -244,7 +250,10 @@ sub do_insert {
     if ($func eq 'default') {
 	my $namespace;
 	if ($newtag =~ /::/) { ($namespace,$newtag) = split(/::/,$newtag); }
-	$result.="\n<$newtag>\n</$newtag>";
+	my $depth = scalar(@Apache::lonxml::depthcounter);
+	$depth -- if ($after);
+	my $inset = "\t"x$depth;
+	$result.="\n$inset<$newtag>\n$inset</$newtag>";
     } else {
 	if (defined(&$func)) {
 	    {
@@ -315,6 +324,56 @@ sub insert_customresponse_answer {
 ';
 }
 
+sub insert_customhint {
+    return '
+        <customhint>
+            <answer type="loncapa/perl">
+            </answer>
+        </customhint>';
+}
+
+sub insert_customhint_answer {
+    return '
+            <answer type="loncapa/perl">
+            </answer>
+';
+}
+
+sub insert_mathresponse {
+    return '
+<mathresponse>
+    <answer>
+    </answer>
+    <textline />
+    <hintgroup>
+        <startouttext />
+        <endouttext />
+    </hintgroup>
+</mathresponse>';
+}
+
+sub insert_mathresponse_answer {
+    return '
+    <answer>
+    </answer>
+';
+}
+
+sub insert_mathhint {
+    return '
+        <mathhint>
+            <answer>
+            </answer>
+        </mathhint>';
+}
+
+sub insert_mathhint_answer {
+    return '
+            <answer>
+            </answer>
+';
+}
+
 sub insert_stringresponse {
     return '
 <stringresponse answer="" type="">
@@ -565,6 +624,10 @@ sub editfield {
 	&Apache::lonhtmlcommon::add_htmlareafields('homework_edit_'.
 						   $Apache::lonxml::curdepth);
     }
+    # remove typesetting whitespace from between data and the end tag
+    # to make the edit look prettier
+    $data =~ s/\n?[ \t]*$//;
+
     return $description."\n".'<textarea style="width:100%" rows="'.$rows.
 	'" cols="'.$cols.'" name="homework_edit_'.
 	$Apache::lonxml::curdepth.'" id="homework_edit_'.
@@ -577,15 +640,17 @@ sub editfield {
 sub modifiedfield {
     my ($endtag,$parser) = @_;
     my $result;
-#  foreach my $envkey (sort keys %env) {
-#    &Apache::lonxml::debug("$envkey ---- $env{$envkey}");
-#  }
-#  &Apache::lonxml::debug("I want homework_edit_$Apache::lonxml::curdepth");
-#  &Apache::lonxml::debug($env{"form.homework_edit_$Apache::lonxml::curdepth"});
     $result=$env{"form.homework_edit_$Apache::lonxml::curdepth"};
     my $bodytext=&Apache::lonxml::get_all_text($endtag,$parser);
     # textareas throw away intial \n 
-    if ($bodytext=~/^\n/) { $result="\n".$result; }
+    if ($bodytext=~/^\n/) {
+	$result="\n".$result;
+    }
+    # if there is typesetting whitespace from between the data and the end tag
+    # restore to keep the source looking pretty
+    if ($bodytext =~ /(\n?[ \t]*)$/) {
+	$result .= $1;
+    }
     return $result;
 }
 
@@ -621,11 +686,13 @@ sub rebuild_tag {
     my $result;
     if ($token->[0] eq 'S') {
 	$result = '<'.$token->[1];
-	while (my ($key,$val)= each(%{$token->[2]})) {
-	    $val=~s:^\s+|\s+$::g;
-	    $val=~s:"::g; #"
-	    &Apache::lonxml::debug("setting :$key: to  :$val:");
-	    $result.=' '.$key.'="'.$val.'"';
+	#FIXME do this in non random order
+	foreach my $attribute (@{ $token->[3] }) {
+	    my $value = $token->[2]{$attribute};
+	    $value =~s/^\s+|\s+$//g;
+	    $value =~s/\"//g;
+	    &Apache::lonxml::debug("setting :$attribute: to  :$value:");
+	    $result.=' '.$attribute.'="'.$value.'"';
 	}
 	if ($token->[4] =~ m:/>$:) {
 	    $result.=' />';
@@ -855,7 +922,7 @@ sub deletecoorddata {
 #----------------------------------------------------- browse
 sub browse {
     # insert a link to call up the filesystem browser (lonindexer)
-    my ($id, $mode, $titleid) = @_;
+    my ($id, $mode, $titleid, $only) = @_;
     my $form    = 'lonhomework';
     my $element;
     if (! defined($mode) || $mode eq 'attribute') {
@@ -866,7 +933,9 @@ sub browse {
     }
     my $titleelement;
     if ($titleid) {
-	$titleelement=",'','','".&escape("$titleid\_$Apache::lonxml::curdepth")."'";
+	$titleelement=",'$only','','".&escape("$titleid\_$Apache::lonxml::curdepth")."'";
+    } else {
+        $titleelement=",'$only'";
     }
     my $result = <<"ENDBUTTON";
 <a href=\"javascript:openbrowser('$form','$element'$titleelement)\"\>Select</a>