434 lines
13 KiB
Perl
434 lines
13 KiB
Perl
package WebGUI::Operation::Help;
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#-------------------------------------------------------------------
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# WebGUI is Copyright 2001-2006 Plain Black Corporation.
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#-------------------------------------------------------------------
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# Please read the legal notices (docs/legal.txt) and the license
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# (docs/license.txt) that came with this distribution before using
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# this software.
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#-------------------------------------------------------------------
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# http://www.plainblack.com info@plainblack.com
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#-------------------------------------------------------------------
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use strict;
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use Tie::IxHash;
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use WebGUI::AdminConsole;
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use WebGUI::International;
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use WebGUI::Asset::Template;
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use WebGUI::Macro;
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use WebGUI::Utility;
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use WebGUI::TabForm;
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=head1 NAME
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Package WebGUI::Operation::Help
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=head1 DESCRIPTION
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Handles displaying WebGUI's internal help to the user as an operation.
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=cut
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#-------------------------------------------------------------------
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=head2 _load ( $session, $namespace )
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Safely load's the Help file for the requested namespace and logs errors
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during the load.
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=cut
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sub _load {
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my $session = shift;
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my $namespace = shift;
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my $cmd = "WebGUI::Help::".$namespace;
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my $load = sprintf 'use %-s; $%-s::HELP;', $cmd, $cmd;
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my $hash = eval($load);
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unless ($@) {
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foreach my $tag (keys %{$hash}) {
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if ($hash->{$tag}{isa}{namespace}) {
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my $other = _load($session, $hash->{$tag}{isa}{namespace});
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my $add = $other->{$hash->{$tag}{isa}{tag}}{fields};
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@{$hash->{$tag}{fields}} = (@{$hash->{$tag}{fields}}, @{$add});
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$add = $other->{$hash->{$tag}{isa}{tag}}{related};
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@{$hash->{$tag}{related}} = (@{$hash->{$tag}{related}}, @{$add});
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$add = $other->{$hash->{$tag}{isa}{tag}}{variables};
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foreach my $row (@{$add}) {
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push(@{$hash->{$tag}{variables}}, {
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name=> $row->{name},
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description => $row->{description},
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namespace => $row->{namespace} || $hash->{$tag}{isa}{namespace}
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});
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}
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}
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}
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return $hash
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}
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else {
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$session->errorHandler->error("Help failed to compile: $namespace. ".$@);
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return {};
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}
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}
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#-------------------------------------------------------------------
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=head2 _get ( $session, $id, $namespace )
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Safely load's the Help file for the requested namespace and returns
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the specified id (help key).
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=cut
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sub _get {
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my $session = shift;
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my $id = shift;
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my $namespace = shift;
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my $help = _load($session,$namespace);
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if (keys %{ $help } ) {
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return $help->{$id};
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}
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else {
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return "Unable to load help for $namespace -> $id\n";
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}
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}
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#-------------------------------------------------------------------
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=head2 _link ( $session, $id, $namespace )
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Utility routine for formatting a link for returning a help entry in the requested
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namespace.
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=cut
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sub _link {
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my $session = shift;
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return $session->url->page('op=viewHelp;hid='.$session->url->escape($_[0]).';namespace='.$_[1]);
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}
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#-------------------------------------------------------------------
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=head2 _linkTOC ( $session, $namespace )
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Utility routine for formatting a link for returning a table of contents entry
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for a Help namespace.
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=cut
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sub _linkTOC {
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my $session = shift;
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return $session->url->page('op=viewHelpChapter;namespace='.$_[0]);
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}
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=head2 _getHelpFilesList ( $session )
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Utility routine for returning a list of all Help files in the lib/WebGUI/Help folder.
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=cut
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sub _getHelpFilesList {
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my $session = shift;
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my $dir = join '/', $session->config->getWebguiRoot,"lib","WebGUI","Help";
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opendir (DIR,$dir) or $session->errorHandler->fatal("Can't open Help directory!");
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my @files;
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foreach my $file (readdir DIR) {
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next unless $file =~ /.pm$/;
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my $modName;
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($modName = $file) =~ s/\.pm$//;
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push @files, [ $file, $modName ];
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}
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closedir(DIR);
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return @files;
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}
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#-------------------------------------------------------------------
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=head2 _getHelpName ( $session, $file )
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To support the table of contents, all WebGUI help files have a corresponding
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entry in the i18n file for the name of the chapter. This utility routine
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will fetch the correct i18n name for the chapter.
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=cut
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sub _getHelpName {
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my $session = shift;
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my $file = shift;
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my $helpName;
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if ($file =~ /^Asset_/) {
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$helpName = 'assetName';
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}
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elsif ($file =~ /^Macro_/) {
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$helpName = 'macroName';
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}
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else {
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$helpName = 'topicName';
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}
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my $i18n = WebGUI::International->new($session);
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return $i18n->get($helpName,$file);
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}
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#-------------------------------------------------------------------
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=head2 _related ( $session, $related )
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Utility routine for returning a list of topics related the the current help
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entry.
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=head3 $related
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A scalar ref to either an array ref, which will be dereferenced to return a list, or
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a code ref, which will be executed and should return a list.
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=cut
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sub _related {
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my ($session, $related) = @_;
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if (ref $related eq 'CODE') {
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return $related->($session);
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}
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else {
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return @{ $related };
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}
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}
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#-------------------------------------------------------------------
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=head2 _columnar ( $session, $columns, $list )
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Utility routine for taking a list of data and returning it multiple columns.
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=head3 $session
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The session object.
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=head3 $columns
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The number of columns to create.
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=head3 $list
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A scalar ref to the array of data that will be broken into columns.
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=cut
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sub _columnar {
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my ($session, $columns, $list) = @_;
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my @entries = @{ $list };
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my $fraction = round(@entries/3 + 0.50);
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my $output = '<tr><td valign="top">';
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@entries = sort { $a->[0] cmp $b->[0] } @entries;
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my $i = 0;
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foreach my $helpEntry (@entries) {
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my ($helpName, $helpFile) = @{ $helpEntry };
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$output .= '<p><a href="'._linkTOC($session,$helpFile).'">'.$helpName."</a></p>\n";
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$i++;
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if ($i % $fraction == 0) {
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$output .= '</td><td valign="top">';
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}
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}
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$output .= "</tr>";
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return $output;
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}
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#-------------------------------------------------------------------
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=head2 www_viewHelp ( $session )
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Display a single help entry in a namespace. The entry and namespace are passed in as
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form parameters. Entries in the fields key of the hash are filtered by the user's
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UI level, and this can be toggled on and off by another form parameter, uiOverride.
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=cut
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sub www_viewHelp {
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my $session = shift;
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return $session->privilege->insufficient() unless ($session->user->isInGroup(7));
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my $ac = WebGUI::AdminConsole->new($session,"help");
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my $namespace = $session->form->process("namespace","className") || "WebGUI";
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my $i18n = WebGUI::International->new($session, $namespace);
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my $help = _get($session,$session->form->process("hid"),$namespace);
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my @related = _related($session, $help->{related});
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foreach my $row (@related) {
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my $relatedHelp = _get($session,$row->{tag},$row->{namespace});
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$ac->addSubmenuItem(_link($session,$row->{tag},$row->{namespace}),$i18n->get($relatedHelp->{title},$row->{namespace}));
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}
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my %vars;
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$vars{uiLevelLabel} = $i18n->get('739', 'WebGUI');
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$vars{body} = $i18n->get($help->{body});
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my $userUiLevel = $session->user->profileField("uiLevel");
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my $uiOverride = $session->form->process("uiOverride");
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foreach my $row (@{ $help->{fields} }) {
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push @{ $vars{fields} },
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{ 'title' => $i18n->get($row->{title},$row->{namespace}),
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'description' => $i18n->get($row->{description},$row->{namespace}),
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'uiLevel' => $row->{uiLevel},
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} if ($uiOverride || ($userUiLevel >= ($row->{uiLevel} || 1)));
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}
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$vars{variable_loop1} = _getTemplateVars($session, 1, $help->{variables}, $i18n);
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my $body = WebGUI::Asset::Template->new($session,"PBtmplHelp000000000001")->process(\%vars);
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my $uiOverrideText = $uiOverride ? $i18n->get('show my fields','WebGUI') : $i18n->get('show all fields','WebGUI');
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$ac->addSubmenuItem(_link($session, $session->form->process("hid"), $namespace).";uiOverride=".!$uiOverride, $uiOverrideText) if $userUiLevel < 9;
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$ac->addSubmenuItem($session->url->page('op=viewHelpIndex'),$i18n->get(95, 'WebGUI'));
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$ac->addSubmenuItem($session->url->page('op=viewHelpTOC'),$i18n->get('help contents', 'WebGUI'));
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WebGUI::Macro::process($session,\$body);
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return $ac->render(
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$body,
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$i18n->get(93, 'WebGUI').': '.$i18n->get($help->{title})
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);
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}
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#-------------------------------------------------------------------
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=head2 _getTemplateVars ( )
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Generates help template vars for a template help file.
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=cut
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sub _getTemplateVars {
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my $session = shift;
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my $level = shift;
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my $variables = shift;
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my $i18n = shift;
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my $template = [];
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foreach my $row (@{$variables}) {
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my $indent = [];
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my $label = "";
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if (exists $row->{variables}) {
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my $newLevel = $level + 1;
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$indent = _getTemplateVars($session, $newLevel, $row->{variables}, $i18n);
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$label = "variable_loop".$newLevel;
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}
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push ( @{$template}, {
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title => $row->{name},
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description=> $i18n->get($row->{description} || $row->{name}, $row->{namespace}),
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$label => $indent
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});
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}
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return $template;
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}
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#-------------------------------------------------------------------
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=head2 _viewHelpIndex ( $session )
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Display the index of all help entries in all namespaces.
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=cut
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sub www_viewHelpIndex {
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my $session = shift;
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return $session->privilege->insufficient() unless ($session->user->isInGroup(7));
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my $i18n = WebGUI::International->new($session);
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my @helpIndex;
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my $i;
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my @files = _getHelpFilesList($session,);
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foreach my $fileSet (@files) {
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my $namespace = $fileSet->[1];
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my $help = _load($session,$namespace);
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foreach my $key (keys %{$help}) {
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push @helpIndex, [$namespace, $key,
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$i18n->get($help->{$key}{title},$namespace)];
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$i++;
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}
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}
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my $output = '<table width="100%" class="content"><tr><td valign="top">';
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my $halfway = round($i/2);
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$i = 0;
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@helpIndex = sort { $a->[2] cmp $b->[2] } @helpIndex;
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foreach my $helpEntry (@helpIndex) {
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my ($namespace, $id, $title) = @{ $helpEntry };
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$output .= '<p><a href="'._link($session,$id,$namespace).'">'.$title.'</a></p>';
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$i++;
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if ($i == $halfway) {
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$output .= '</td><td valign="top">';
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}
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}
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$output .= '</td></tr></table>';
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my $ac = WebGUI::AdminConsole->new($session,"help");
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$ac->addSubmenuItem($session->url->page('op=viewHelpTOC'),$i18n->get('help contents'));
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return $ac->render($output, join ': ',$i18n->get(93), $i18n->get('help index'));
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}
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#-------------------------------------------------------------------
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=head2 www_viewHelpTOC ( $session )
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Display the table of contents for the Help system. This generates a list of
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the assetName,macroName,topicNames for each installed Help file.
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=cut
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sub www_viewHelpTOC {
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my $session = shift;
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return $session->privilege->insufficient() unless ($session->user->isInGroup(7));
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my $i18n = WebGUI::International->new($session);
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my %tabs;
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tie %tabs, 'Tie::IxHash';
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%tabs = (
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other => {
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label => $i18n->get('topicName', 'WebGUI'),
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uiLevel => 1,
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},
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asset => {
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label => $i18n->get('topicName', 'Asset'),
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uiLevel => 1,
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},
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macro => {
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label => $i18n->get('topicName', 'Macros'),
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uiLevel => 1,
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},
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);
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my $i;
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my @files = _getHelpFilesList($session,);
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my %entries;
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my $tabForm = WebGUI::TabForm->new($session, \%tabs);
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foreach my $fileSet (@files) {
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my $file = $fileSet->[1];
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my $tab = lc substr $file, 0, 5;
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if (exists $tabs{$tab} or $tab eq "wobje") {
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push @{ $entries{$tab} } , [_getHelpName($session,$file), $file];
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}
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else {
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push @{ $entries{'other'} }, [_getHelpName($session,$file), $file];
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}
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}
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foreach my $tab ( keys %tabs ) {
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my $tabPut = '<table width="100%" class="content"><tr><td valign="top">';
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$tabPut .= _columnar($session, 3, $entries{$tab});
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$tabPut .= '</table>';
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$tabForm->getTab($tab)->raw($tabPut);
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}
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my $ac = WebGUI::AdminConsole->new($session,"help");
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$ac->addSubmenuItem($session->url->page('op=viewHelpIndex'),$i18n->get(95));
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$tabForm->{_submit} = $tabForm->{_cancel} = '';
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return $ac->render($tabForm->print, join(': ',$i18n->get(93), $i18n->get('help toc')));
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}
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#-------------------------------------------------------------------
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=head2 www_viewHelpChapter ( $session )
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Display all entries in one chapter of the help. The namespace is passed in via
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the form paramter "namespace".
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=cut
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sub www_viewHelpChapter {
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my $session = shift;
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return $session->privilege->insufficient() unless ($session->user->isInGroup(7));
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my $namespace = $session->form->process("namespace","className");
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my $help = _load($session,$namespace);
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my @entries = sort keys %{ $help };
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my $output = '';
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my $i18n = WebGUI::International->new($session);
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foreach my $id (@entries) {
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$output .= '<p><a href="'._link($session,$id,$namespace).'">'.$i18n->get($help->{$id}{title},$namespace).'</a></p>';
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}
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my $ac = WebGUI::AdminConsole->new($session,"help");
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$ac->addSubmenuItem($session->url->page('op=viewHelpIndex'),$i18n->get(95));
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$ac->addSubmenuItem($session->url->page('op=viewHelpTOC'),$i18n->get('help contents'));
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return $ac->render($output, join ': ',$i18n->get(93), _getHelpName($session,$namespace));
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}
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1;
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