".
"$text";
}
+ my $html=&Apache::lonxml::xmlbegin();
my $helpicon=&lonhttpdurl("/adm/lonIcons/helpgateway.gif");
$template .= <<"ENDTEMPLATE";
@@ -832,6 +835,98 @@ ENDTEMPLATE
=pod
+=item * change_content_javascript():
+
+This and the next function allow you to create small sections of an
+otherwise static HTML page that you can update on the fly with
+Javascript, even in Netscape 4.
+
+The Javascript fragment returned by this function (no EscriptE tag)
+must be written to the HTML page once. It will prove the Javascript
+function "change(name, content)". Calling the change function with the
+name of the section
+you want to update, matching the name passed to C, and
+the new content you want to put in there, will put the content into
+that area.
+
+B: Netscape 4 only reserves enough space for the changable area
+to contain room for the original contents. You need to "make space"
+for whatever changes you wish to make, and be B to check your
+code in Netscape 4. This feature in Netscape 4 is B powerful;
+it's adequate for updating a one-line status display, but little more.
+This script will set the space to 100% width, so you only need to
+worry about height in Netscape 4.
+
+Modern browsers are much less limiting, and if you can commit to the
+user not using Netscape 4, this feature may be used freely with
+pretty much any HTML.
+
+=cut
+
+sub change_content_javascript {
+ # If we're on Netscape 4, we need to use Layer-based code
+ if ($ENV{'browser.type'} eq 'netscape' &&
+ $ENV{'browser.version'} =~ /^4\./) {
+ return (<. $name is
+the name you will use to reference the area later; do not repeat the
+same name on a given HTML page more then once. $origContent is what
+the area will originally contain, which can be left blank.
+
+=cut
+
+sub changable_area {
+ my ($name, $origContent) = @_;
+
+ if ($ENV{'browser.type'} eq 'netscape' &&
+ $ENV{'browser.version'} =~ /^4\./) {
+ # If this is netscape 4, we need to use the Layer tag
+ return "$origContent";
+ } else {
+ return "$origContent";
+ }
+}
+
+=pod
+
+=back
+
+=head1 Excel and CSV file utility routines
+
+=over 4
+
+=cut
+
+###############################################################
+###############################################################
+
+=pod
+
=item * csv_translate($text)
Translate $text to allow it to be output as a 'comma separated values'
@@ -848,7 +943,6 @@ sub csv_translate {
return $text;
}
-
###############################################################
###############################################################
@@ -872,6 +966,10 @@ Currently supported formats:
=item h3
+=item h4
+
+=item i
+
=item date
=back
@@ -894,6 +992,7 @@ sub define_excel_formats {
$format->{'h1'} = $workbook->add_format(bold=>1, size=>18);
$format->{'h2'} = $workbook->add_format(bold=>1, size=>16);
$format->{'h3'} = $workbook->add_format(bold=>1, size=>14);
+ $format->{'h4'} = $workbook->add_format(bold=>1, size=>12);
$format->{'i'} = $workbook->add_format(italic=>1);
$format->{'date'} = $workbook->add_format(num_format=>
'mm/dd/yyyy hh:mm:ss');
@@ -905,84 +1004,83 @@ sub define_excel_formats {
=pod
-=item * change_content_javascript():
+=item * create_workbook
-This and the next function allow you to create small sections of an
-otherwise static HTML page that you can update on the fly with
-Javascript, even in Netscape 4.
+Create an Excel worksheet. If it fails, output message on the
+request object and return undefs.
-The Javascript fragment returned by this function (no EscriptE tag)
-must be written to the HTML page once. It will prove the Javascript
-function "change(name, content)". Calling the change function with the
-name of the section
-you want to update, matching the name passed to C, and
-the new content you want to put in there, will put the content into
-that area.
+Inputs: Apache request object
-B: Netscape 4 only reserves enough space for the changable area
-to contain room for the original contents. You need to "make space"
-for whatever changes you wish to make, and be B to check your
-code in Netscape 4. This feature in Netscape 4 is B powerful;
-it's adequate for updating a one-line status display, but little more.
-This script will set the space to 100% width, so you only need to
-worry about height in Netscape 4.
-
-Modern browsers are much less limiting, and if you can commit to the
-user not using Netscape 4, this feature may be used freely with
-pretty much any HTML.
+Returns (undef) on failure,
+ Excel worksheet object, scalar with filename, and formats
+ from &Apache::loncommon::define_excel_formats on success
=cut
-sub change_content_javascript {
- # If we're on Netscape 4, we need to use Layer-based code
- if ($ENV{'browser.type'} eq 'netscape' &&
- $ENV{'browser.version'} =~ /^4\./) {
- return (<new('/home/httpd'.$filename);
+ if (! defined($workbook)) {
+ $r->log_error("Error creating excel spreadsheet $filename: $!");
+ $r->print(''.&mt("Unable to create new Excel file. ".
+ "This error has been logged. ".
+ "Please alert your LON-CAPA administrator").
+ ' ');
+ return (undef);
}
+ #
+ $workbook->set_tempdir('/home/httpd/perl/tmp');
+ #
+ my $format = &Apache::loncommon::define_excel_formats($workbook);
+ return ($workbook,$filename,$format);
}
+###############################################################
+###############################################################
+
=pod
-=item * changable_area($name, $origContent):
+=item * create_text_file
-This provides a "changable area" that can be modified on the fly via
-the Javascript code provided in C. $name is
-the name you will use to reference the area later; do not repeat the
-same name on a given HTML page more then once. $origContent is what
-the area will originally contain, which can be left blank.
+Create a file to write to and eventually make available to the usre.
+If file creation fails, outputs an error message on the request object and
+return undefs.
-=cut
+Inputs: Apache request object, and file suffix
-sub changable_area {
- my ($name, $origContent) = @_;
+Returns (undef) on failure,
+ Filehandle and filename on success.
- if ($ENV{'browser.type'} eq 'netscape' &&
- $ENV{'browser.version'} =~ /^4\./) {
- # If this is netscape 4, we need to use the Layer tag
- return "$origContent";
- } else {
- return "$origContent";
+=cut
+
+###############################################################
+###############################################################
+sub create_text_file {
+ my ($r,$suffix) = @_;
+ if (! defined($suffix)) { $suffix = 'txt'; };
+ my $fh;
+ my $filename = '/prtspool/'.
+ $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'.
+ time.'_'.rand(1000000000).'.'.$suffix;
+ $fh = Apache::File->new('>/home/httpd'.$filename);
+ if (! defined($fh)) {
+ $r->log_error("Couldn't open $filename for output $!");
+ $r->print("Problems occured in creating the output file. ".
+ "This error has been logged. ".
+ "Please alert your LON-CAPA administrator.");
}
+ return ($fh,$filename)
}
-=pod
+
+=pod
=back
@@ -1044,7 +1142,7 @@ sub multiple_select_form {
$output.="\n\n";
@@ -1075,7 +1173,7 @@ sub select_form {
}
foreach (@keys) {
$selectform.="\n";
}
$selectform.="";
@@ -1112,7 +1210,7 @@ sub select_level_form {
my $selectform = "";
@@ -1142,7 +1240,7 @@ sub select_dom_form {
my $selectdomain = "";
@@ -2352,7 +2450,7 @@ sub submlink {
&Apache::lonxml::whichuser($symb);
if (!$symb) { $symb=$cursymb; }
}
- if (!$symb) { $symb=&symbread(); }
+ if (!$symb) { $symb=&Apache::lonnet::symbread(); }
$symb=&Apache::lonnet::escape($symb);
if ($target) { $target="target=\"$target\""; }
return '
END
+ if ($ENV{'environment.texengine'} eq 'jsMath') {
+ $bodytag.=''."\n".
+ ''."\n";
+ }
+
my $upperleft=' ';
if ($bodyonly) {
@@ -2749,6 +2854,40 @@ ENDBODY
}
###############################################
+###############################################
+
+=pod
+
+=back
+
+=head1 HTTP Helpers
+
+=over 4
+
+=item * &endbodytag()
+
+Returns a uniform footer for LON-CAPA web pages.
+
+Inputs:
+
+=over 4
+
+=back
+
+Returns: A uniform footer for LON-CAPA web pages.
+
+=cut
+
+sub endbodytag {
+ my $endbodytag=' |