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+%# BEGIN BPS TAGGED BLOCK {{{
+%#
+%# COPYRIGHT:
+%#
+%# This software is Copyright (c) 1996-2012 Best Practical Solutions, LLC
+%# <sales@bestpractical.com>
+%#
+%# (Except where explicitly superseded by other copyright notices)
+%#
+%#
+%# LICENSE:
+%#
+%# This work is made available to you under the terms of Version 2 of
+%# the GNU General Public License. A copy of that license should have
+%# been provided with this software, but in any event can be snarfed
+%# from www.gnu.org.
+%#
+%# This work is distributed in the hope that it will be useful, but
+%# WITHOUT ANY WARRANTY; without even the implied warranty of
+%# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+%# General Public License for more details.
+%#
+%# You should have received a copy of the GNU General Public License
+%# along with this program; if not, write to the Free Software
+%# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+%# 02110-1301 or visit their web page on the internet at
+%# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
+%#
+%#
+%# CONTRIBUTION SUBMISSION POLICY:
+%#
+%# (The following paragraph is not intended to limit the rights granted
+%# to you to modify and distribute this software under the terms of
+%# the GNU General Public License and is only of importance to you if
+%# you choose to contribute your changes and enhancements to the
+%# community by submitting them to Best Practical Solutions, LLC.)
+%#
+%# By intentionally submitting any modifications, corrections or
+%# derivatives to this work, or any other work intended for use with
+%# Request Tracker, to Best Practical Solutions, LLC, you confirm that
+%# you are the copyright holder for those contributions and you grant
+%# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
+%# royalty-free, perpetual, license to use, copy, create derivative
+%# works based on those contributions, and sublicense and distribute
+%# those contributions and any derivatives thereof.
+%#
+%# END BPS TAGGED BLOCK }}}
+<& /Elements/Header, Title => loc('Browse by topic') &>
+<& /Elements/Tabs &>
+
+<& /Elements/ListActions, actions => \@Actions &>
+<a href="Topics.html"><&|/l&>All topics</&></a>
+% if (defined $class) {
+&gt; <a href="Topics.html?class=<%$currclass_id%>"><% $currclass_name %></a>
+% }
+
+% if ($id != 0) {
+&gt; <& /Articles/Elements/ShowTopic, topic => $currtopic &>
+% }
+<br />
+<h1><&|/l&>Browse by topic</&></h1>
+<%perl>
+if (defined $class) {
+ $m->print('<h2>'.'<a href="'.
+ RT->Config->Get('WebPath')."/Articles/Topics.html?class=" . $currclass_id
+ .'">'.$currclass_name."</a></h2>\n");
+ ProduceTree(\@Actions, $currclass, $currclass_id, $currclass_name, 0, $id);
+} else {
+ $m->print("<ul>\n");
+ while (my $c = $Classes->Next) {
+ $m->print('<li><h2>'.'<a href="'.
+ RT->Config->Get('WebPath')."/Articles/Topics.html?class=" . $c->Id
+ .'">'.$c->Name."</a></h2>\n");
+ $m->print("\n</li>\n");
+ }
+ $m->print(qq|<li><h2><a href="|.RT->Config->Get('WebPath').qq|/Articles/Topics.html?class=0">|.loc('Global Topics').qq|</a></h2></li>\n|);
+ $m->print("</ul>\n");
+}
+</%perl>
+
+<br />
+<%perl>
+my @articles;
+if ($id or $showall) {
+ my $Articles = RT::ObjectTopics->new($session{'CurrentUser'});
+ $Articles->Limit(FIELD => 'ObjectType', VALUE => 'RT::Article');
+ if ($id) {
+ $Articles->Limit(FIELD => 'Topic', VALUE => $id, ENTRYAGGREGATOR => 'OR');
+ if ($showall) {
+ my $kids = $currtopic->Children;
+ while (my $k = $kids->Next) {
+ $Articles->Limit(FIELD => 'Topic', VALUE => $k->Id,
+ ENTRYAGGREGATOR => 'OR');
+ }
+ }
+ }
+ @articles = map {$a = RT::Article->new($session{'CurrentUser'}); $a->Load($_->ObjectId); $a} @{$Articles->ItemsArrayRef}
+} elsif ($class) {
+ my $Articles = RT::Articles->new($session{'CurrentUser'});
+ my $TopicsAlias = $Articles->Join(
+ TYPE => 'left',
+ ALIAS1 => 'main',
+ FIELD1 => 'id',
+ TABLE2 => 'ObjectTopics',
+ FIELD2 => 'ObjectId',
+ );
+ $Articles->Limit(
+ LEFTJOIN => $TopicsAlias,
+ FIELD => 'ObjectType',
+ VALUE => 'RT::Article',
+ );
+ $Articles->Limit(
+ ALIAS => $TopicsAlias,
+ FIELD => 'Topic',
+ OPERATOR => 'IS',
+ VALUE => 'NULL',
+ QUOTEVALUE => 0,
+ );
+ $Articles->Limit(
+ FIELD => 'Class',
+ OPERATOR => '=',
+ VALUE => $class,
+ );
+ @articles = @{$Articles->ItemsArrayRef};
+}
+</%perl>
+
+% if (@articles) {
+% if ($id) {
+<h2><&|/l, $currtopic->Name&>Articles in [_1]</&></h2>
+% } elsif ($class) {
+<h2><&|/l&>Articles with no topics</&></h2>
+% }
+<ul>
+% for my $a (@articles) {
+<li><a href="Article/Display.html?id=<% $a->Id %>"><% $a->Name || loc("(no name)") %></a></li>
+% }
+</ul>
+% }
+
+<%init>
+my @Actions;
+my $Classes;
+my $currclass;
+my $currclass_id;
+my $currclass_name;
+my $currtopic;
+
+if ( defined $class ) {
+ if ($class) {
+ $currclass = RT::Class->new( $session{'CurrentUser'} );
+ $currclass->Load($class);
+ $currclass_id = $currclass->Id;
+ $currclass_name = $currclass->Name;
+ } else {
+ $currclass = $RT::System;
+ $currclass_id = 0;
+ $currclass_name = 'Global Topics';
+ }
+} else {
+ $Classes = RT::Classes->new( $session{'CurrentUser'} );
+ $Classes->LimitToEnabled();
+}
+
+if ($id) {
+ $currtopic = RT::Topic->new( $session{'CurrentUser'} );
+ $currtopic->Load($id);
+}
+
+# A subroutine that iterates through topics and their children, producing
+# the necessary ul, li, and href links for the table of contents. Thank
+# heaven for query caching. The $restrict variable is used to display only
+# the branch of the hierarchy which contains that topic ID.
+
+sub ProduceTree {
+ my ( $Actions, $currclass, $currclass_id, $currclass_name, $parentid, $restrictid ) = @_;
+ $parentid = 0 unless $parentid;
+
+ # Deal with tree restriction, if any.
+ if ($restrictid) {
+ my $rtopic = RT::Topic->new( $session{'CurrentUser'} );
+ $rtopic->Load($restrictid);
+ unless ( $rtopic->Id()
+ && $rtopic->ObjectId() == $currclass_id )
+ {
+ push( @{$Actions},"Could not restrict view to topic $restrictid");
+
+ # Start over, without the restriction.
+ &ProduceTree( $Actions, $currclass, $currclass_id, $currclass_name, $parentid, undef );
+ } else {
+ my @showtopics;
+ push( @showtopics, $rtopic );
+ my $parent = $rtopic->ParentObj;
+ while ( $parent->Id ) {
+ push( @showtopics, $parent );
+ my $newparent = $parent->ParentObj;
+ $parent = $newparent;
+ }
+
+ # List the topics.
+ my $indents = @showtopics;
+ while ( my $t = pop @showtopics ) {
+ print "<ul>";
+ print &MakeLinks( $t, $currclass, $currclass_id, $currclass_name, $t->Children->Count );
+ if ( $t->Id == $restrictid ) {
+ &ProduceTree( $Actions, $currclass, $currclass_id, $currclass_name, $restrictid, undef );
+ }
+ }
+ print "</ul>" x $indents;
+ }
+ } else {
+
+ # No restriction in place. Build the entire tree.
+ my $topics = RT::Topics->new( $session{'CurrentUser'} );
+ $topics->LimitToObject($currclass);
+ $topics->LimitToKids($parentid);
+ $topics->OrderBy( FIELD => 'Name' );
+ print "<ul>" if $topics->Count;
+ while ( my $t = $topics->Next ) {
+ if ( $t->Children->Count ) {
+ print &MakeLinks( $t, $currclass, $currclass_id, $currclass_name, 1 );
+ &ProduceTree( $Actions, $currclass, $currclass_id, $currclass_name, $t->Id );
+ } else {
+ print &MakeLinks( $t, $currclass, $currclass_id, $currclass_name, 0 );
+ }
+ }
+ print "</ul>\n" if $topics->Count;
+ }
+}
+
+sub MakeLinks {
+ my ( $topic, $currclass, $currclass_id, $currclass_name, $haschild ) = @_;
+ my $query;
+ my $output;
+
+ if ( ref($topic) eq 'RT::Topic' ) {
+
+ my $topic_info = $topic->Name() || loc("(no name)");
+ $topic_info .= ": " . $topic->Description() if $topic->Description;
+
+ if ($haschild) { # has topics below it
+ $query = "Topics.html?id=" . $topic->Id . "&class=" . $currclass_id;
+ $output = qq(<li><a href="$query">$topic_info</a>);
+ } else {
+ $output = qq(<li>$topic_info);
+ }
+
+ my $Articles = RT::ObjectTopics->new( $session{'CurrentUser'} );
+ $Articles->Limit( FIELD => 'ObjectType', VALUE => 'RT::Article' );
+ $Articles->Limit( FIELD => 'Topic', VALUE => $topic->Id );
+ if ( $Articles->Count ) {
+ my $article_text = " (" . loc( "[quant,_1,article]", $Articles->Count ) . ")";
+ my $query = "Topics.html?id=" . $topic->Id . "&class=$currclass_id&showall=1";
+ $output .= qq(<a href="$query">$article_text</a>);
+ }
+
+ $output .= "</li>\n";
+
+ } else {
+
+ # This builds a link for the class specified, with no particular topic.
+ $query = "Topics.html?class=" . $currclass_id;
+ $output = "<li><a href=\"$query\">" . $currclass_name . "</a>";
+ $output .= ": " . $currclass->Description if $currclass->Description;
+ }
+
+ return $output;
+}
+
+</%init>
+
+<%args>
+$id => 0
+$class => undef
+$showall => undef
+</%args>
generated by cgit v1.1 at 2024-07-01 14:24:44 +0000