webgui/lib/WebGUI/Operation/Help.pm
2004-09-03 17:01:59 +00:00

114 lines
4.1 KiB
Perl

package WebGUI::Operation::Help;
#-------------------------------------------------------------------
# WebGUI is Copyright 2001-2004 Plain Black Corporation.
#-------------------------------------------------------------------
# Please read the legal notices (docs/legal.txt) and the license
# (docs/license.txt) that came with this distribution before using
# this software.
#-------------------------------------------------------------------
# http://www.plainblack.com info@plainblack.com
#-------------------------------------------------------------------
use Exporter;
use strict;
use Tie::IxHash;
use WebGUI::International;
use WebGUI::Macro;
use WebGUI::Session;
use WebGUI::URL;
use WebGUI::Utility;
our @ISA = qw(Exporter);
our @EXPORT = qw(&www_viewHelp &www_viewHelpIndex);
#-------------------------------------------------------------------
sub _get {
my $id = shift;
my $namespace = shift;
my $cmd = "WebGUI::Help::".$namespace;
my $load = "use ".$cmd;
eval($load);
$cmd = "\$".$cmd."::HELP->{'".$id."'}";
return eval($cmd);
}
#-------------------------------------------------------------------
sub _link {
return '<a href="'.WebGUI::URL::page('op=viewHelp&hid='.WebGUI::URL::escape($_[0]).'&namespace='.$_[1]).'">'.$_[2].'</a>';
}
#-------------------------------------------------------------------
sub _seeAlso {
my $related = shift;
my $namespace = shift;
my $output;
foreach my $row (@{$related}) {
my $help = _get($row->{tag},$row->{namespace});
$output .= '<li>'._link($row->{tag},$row->{namespace},WebGUI::International::get($help->{title},$row->{namespace}));
}
return $output;
}
#-------------------------------------------------------------------
sub www_viewHelp {
my $namespace = $session{form}{namespace} || "WebGUI";
my $help = _get($session{form}{hid},$namespace);
my $output = '<h1>'.WebGUI::International::get(93).': '.WebGUI::International::get($help->{title},$namespace).'</h1>';
$output .= WebGUI::International::get($help->{body},$namespace);
$output .= '<p><b>'.WebGUI::International::get(94).':<ul>';
$output .= _seeAlso($help->{related},$namespace);
$output .= '<li><a href="'.WebGUI::URL::page('op=viewHelpIndex').'">'.WebGUI::International::get(95).'</a></ul>';
return WebGUI::Macro::negate($output);
}
#-------------------------------------------------------------------
sub www_viewHelpIndex {
my %helpIndex;
tie %helpIndex, "Tie::IxHash";
my $i;
my $dir = $session{config}{webguiRoot}.$session{os}{slash}."lib".$session{os}{slash}."WebGUI".$session{os}{slash}."Help";
opendir (DIR,$dir) or WebGUI::ErrorHandler::fatalError("Can't open Help directory!");
my @files = readdir(DIR);
closedir(DIR);
foreach my $file (@files) {
if ($file =~ /(.*?)\.pm$/) {
my $namespace = $1;
my $cmd = "WebGUI::Help::".$namespace;
my $load = "use ".$cmd;
eval($load);
unless ($@) {
$cmd = "\$".$cmd."::HELP";
my $help = eval($cmd);
foreach my $key (keys %{$help}) {
$helpIndex{$key."_".$namespace} = WebGUI::International::get($help->{$key}{title},$namespace);
$i++;
}
} else {
WebGUI::ErrorHandler::warn("Help failed to compile: $namespace. ".$@);
}
}
}
my $output = '<h1>Help Index</h1><table width="100%" class="content"><tr><td valign="top">';
my $halfway = round($i/2);
$i = 0;
%helpIndex = sortHash(%helpIndex);
foreach my $key (keys %helpIndex) {
my ($id,$namespace) = split("_",$key);
my $help = _get($id,$namespace);
$output .= _link($id,$namespace,$helpIndex{$key});
$output .= '<ul style="padding-left: 20px; margin: 2px; font-size: smaller;">';
$output .= _seeAlso($help->{related},$namespace);
$output .= '</ul>';
$output .= "<br>";
$i++;
if ($i == $halfway) {
$output .= '</td><td valign="top">';
}
}
$output .= '</td></tr></table>';
return $output;
}
1;