# The LearningOnline Network with CAPA
# edit mode helpers
# 3/20 Guy
package Apache::edit;
use strict;
use Apache::lonnet;
sub tag_start {
my ($target,$token) = @_;
my $result='';
if ($target eq "edit") {
my $tag=$token->[1];
$result.="<table width=\"100%\" border=\"2\"><tr><td><$tag></td>
<td>Delete:
<select name=\"delete_$Apache::lonxml::curdepth\">
<option>Nothing</option>
<option>Tag</option>
<option>Subtags</option>
</select></td>
<td>".
&insertlist($token,$target).
"</td>
</tr><tr><td colspan=\"3\">\n";
}
return $result;
}
sub tag_end {
my ($target,$token) = @_;
my $result='';
if ($target eq 'edit') {
my $tag=$token->[1];
$result.="</td></tr><tr><td></$tag></td></tr></table>\n";
}
return $result;
}
sub get_insert_list {
my ($token) = @_;
my $result='';
if ($Apache::lonxml::insertlist{"$token->[1].which"}) {
my @tags= @{ $Apache::lonxml::insertlist{"$token->[1].which"} };
foreach my $tag (@tags) {
$result.='<option value="'.$tag.'">'.$Apache::lonxml::insertlist{"$tag.description"}."</option>\n";
}
if ($result) { $result='<option selected="on"></option>'.$result; }
}
return $result;
}
sub insertlist {
my ($token,$target) = @_;
my $result;
if ($target eq 'edit') {
my $optionlist= &get_insert_list($token);
if ($optionlist) {
$result = "Insert:
<select name=\"insert_$Apache::lonxml::curdepth\">
$optionlist
</select>"
}
}
return $result;
}
sub handle_insert {
if (!$ENV{"form.insert_$Apache::lonxml::curdepth"}) { return ''; }
my $result;
my $newtag = $ENV{"form.insert_$Apache::lonxml::curdepth"};
my $func=$Apache::lonxml::insertlist{"$newtag.function"};
if ($func eq 'default') {
$result.="\n<$newtag>\n</$newtag>";
} else {
{
no strict 'refs';
$result.=&$func;
}
}
return $result;
}
sub editfield {
my ($tag,$data,$description,$minwidth,$minheight)=@_;
my $count=0;
my $maxlength=-1;
map { $count++;
if (length($_) > $maxlength) { $maxlength = length ($_); }
} split ("\n", $data);
if ($maxlength > 80) { $maxlength = 80; }
if ($maxlength < $minwidth) { $maxlength = $minwidth; }
if ( $count < $minheight) { $count = $minheight; }
if ($description) {
$description="<br />".$description;
}
return "$description<br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea>\n";
# return "<br />\n<$tag><br />\n <textarea rows=\"$count\" cols=\"$maxlength\" name=homework_edit_".$Apache::lonxml::curdepth.">$data</textarea><br />\n</$tag><br />\n";
}
sub modifiedfield {
my ($token) = @_;
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"};
if (defined $token) {
if (defined $token->[4]) {
$result=$token->[4].$result;
} else {
$result=$result.$token->[2];
}
}
return $result;
}
sub insert_startouttext {
return "\n<startouttext />\n<endouttext />";
}
1;
__END__
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