1 # Copyright (C) 2002 Stanislav Sinyagin
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
17 # $Id: HTML.pm,v 1.1 2010-12-27 00:03:44 ivan Exp $
18 # Stanislav Sinyagin <ssinyagin@yahoo.com>
20 package Torrus::Renderer::HTML;
24 use Torrus::ConfigTree;
30 use POSIX qw(abs log floor pow);
34 Torrus::SiteConfig::loadStyling();
36 # All our methods are imported by Torrus::Renderer;
41 my $config_tree = shift;
46 my $tmplfile = $config_tree->getParam($view, 'html-template');
48 my $expires = $config_tree->getParam($view, 'expires');
50 # Create the Template Toolkit processor once, and reuse
51 # it in subsequent render() calls
53 if( not defined( $self->{'tt'} ) )
56 new Template(INCLUDE_PATH => $Torrus::Global::templateDirs,
61 'treeName' => $config_tree->treeName(),
64 'expires' => $expires,
65 'path' => sub { return $config_tree->path($_[0]); },
66 'pathToken' => sub { return $config_tree->token($_[0]); },
67 'nodeExists' => sub { return $config_tree->nodeExists($_[0]); },
68 'children' => sub { return $config_tree->getChildren($_[0]); },
69 'isLeaf' => sub { return $config_tree->isLeaf($_[0]); },
70 'isAlias' => sub { return $config_tree->isAlias($_[0]); },
71 'sortTokens' => sub { return $self->sortTokens($config_tree,
73 'nodeName' => sub { return $self->nodeName($config_tree, $_[0]); },
74 'parent' => sub { return $config_tree->getParent($_[0]); },
75 'nodeParam' => sub { return $config_tree->getNodeParam(@_); },
76 'param' => sub { return $config_tree->getParam(@_); },
77 'url' => sub { return $self->makeURL($config_tree, 0, @_); },
78 'persistentUrl' => sub { return $self->makeURL($config_tree, 1, @_); },
79 'clearVar' => sub { delete $self->{'options'}{'variables'}{$_[0]};
81 'plainURL' => $Torrus::Renderer::plainURL,
82 'splitUrls' => sub { return $self->makeSplitURLs($config_tree,
84 'topURL' => ($Torrus::Renderer::rendererURL ne '' ?
85 $Torrus::Renderer::rendererURL : '/'),
86 'rrprint' => sub { return $self->rrPrint($config_tree,
88 'scale' => sub { return $self->scale($_[0], $_[1]); },
89 'tsetMembers' => sub { $config_tree->tsetMembers($_[0]); },
90 'tsetList' => sub { $config_tree->getTsets(); },
91 'style' => sub { return $self->style($_[0]); },
92 'companyName'=> $Torrus::Renderer::companyName,
93 'companyLogo'=> $Torrus::Renderer::companyLogo,
94 'companyURL' => $Torrus::Renderer::companyURL,
95 'siteInfo' => $Torrus::Renderer::siteInfo,
96 'treeInfo' => sub { return $Torrus::Global::treeConfig{
97 $config_tree->treeName()}{'info'}; },
98 'version' => $Torrus::Global::version,
99 'xmlnorm' => \&Torrus::Renderer::xmlnormalize,
100 'userAuth' => $Torrus::CGI::authorizeUsers,
101 'uid' => $self->{'options'}->{'uid'},
102 'userAttr' => sub { return $self->userAttribute( $_[0] ) },
103 'mayDisplayAdmInfo' => sub {
104 return $self->may_display_adminfo( $config_tree, $_[0] ) },
105 'adminfo' => $self->{'adminfo'},
106 'mayDisplayReports' => sub {
107 return $self->may_display_reports($config_tree) },
108 'reportsUrl' => sub {
109 return $self->reportsUrl($config_tree); },
110 'timestamp' => sub { return time2str($Torrus::Renderer::timeFormat,
112 'verifyDate' => sub { return verifyDate($_[0]); },
113 'markup' => sub{ return $self->translateMarkup( @_ ); },
114 'searchEnabled' => $Torrus::Renderer::searchEnabled,
115 'searchResults' => sub { return $self->doSearch($config_tree, $_[0]); }
119 # Pass the options from Torrus::Renderer::render() to Template
120 while( my( $opt, $val ) = each( %{$self->{'options'}} ) )
122 $ttvars->{$opt} = $val;
125 my $result = $self->{'tt'}->process( $tmplfile, $ttvars, $outfile );
131 if( $config_tree->isTset( $token ) )
133 Error("Error while rendering tokenset $token: " .
134 $self->{'tt'}->error());
138 my $path = $config_tree->path($token);
139 Error("Error while rendering $path: " .
140 $self->{'tt'}->error());
145 return ($expires+time(), 'text/html; charset=UTF-8');
152 my $config_tree = shift;
155 my $n = $config_tree->getNodeParam($token, 'node-display-name', 1);
156 if( defined( $n ) and length( $n ) > 0 )
161 return $config_tree->nodeName($config_tree->path($token));
168 my $config_tree = shift;
169 my $tokenlist = shift;
172 if( ref($tokenlist) and scalar(@{$tokenlist}) > 0 )
176 my $p_a = $config_tree->getNodeParam($a, 'precedence', 1);
177 $p_a = 0 unless defined $p_a;
178 my $p_b = $config_tree->getNodeParam($b, 'precedence', 1);
179 $p_b = 0 unless defined $p_b;
182 my $n_a = $config_tree->path($a);
183 my $n_b = $config_tree->path($b);
184 return $n_a cmp $n_b;
188 return $p_b <=> $p_a;
194 push(@sorted, $tokenlist);
200 # compose an URL for a node.
201 # $persistent defines if the link should be persistent
202 # Persistent link is done with nodeid if available, or with path
207 my $config_tree = shift;
208 my $persistent = shift;
213 my $ret = $Torrus::Renderer::rendererURL . '/' . $config_tree->treeName();
217 my $nodeid = $config_tree->getNodeParam($token, 'nodeid', 1);
218 if( defined( $nodeid ) )
221 uri_escape($nodeid, $Torrus::Renderer::uriEscapeExceptions);
226 uri_escape($config_tree->path($token),
227 $Torrus::Renderer::uriEscapeExceptions);
232 $ret .= '?token=' . uri_escape($token);
237 $ret .= '&view=' . uri_escape($view);
241 # This could be array or a reference to array
242 my $add_vars_size = scalar( @add_vars );
243 if( $add_vars_size == 1 and ref( $add_vars[0] ) )
245 %vars = @{$add_vars[0]};
247 elsif( $add_vars_size > 0 and ($add_vars_size % 2 == 0) )
252 if( ref( $self->{'options'}->{'variables'} ) )
254 foreach my $name ( sort keys %{$self->{'options'}->{'variables'}} )
256 my $val = $self->{'options'}->{'variables'}->{$name};
257 if( not defined( $vars{$name} ) )
264 foreach my $name ( sort keys %vars )
266 if( $vars{$name} ne '' )
268 $ret .= '&' . $name . '=' .
269 uri_escape( $vars{$name},
270 $Torrus::Renderer::uriEscapeExceptions );
280 my $config_tree = shift;
285 while( defined( $token ) )
287 my $path = $config_tree->path($token);
289 my $str = '<SPAN CLASS="PathElement">';
291 sprintf('<A HREF="%s">%s%s</A>',
292 $self->makeURL($config_tree, 0, $token, $view),
293 $config_tree->nodeName($path),
294 ( $config_tree->isSubtree($token) and
295 $path ne '/') ? '/':'' );
300 $token = $config_tree->getParent( $token );
310 my $config_tree = shift;
315 my($fname, $mimetype) = $self->render( $config_tree, $token, $view );
317 if( $mimetype ne 'text/plain' )
319 Error("View $view does not produce text/plain for token $token");
323 if( not open(IN, $fname) )
325 Error("Cannot open $fname for reading: $!");
329 chomp(my $values = <IN>);
330 @ret = split(':', $values);
337 # This subroutine is taken from Dave Plonka's Flowscan
342 # This is based somewhat on Tobi Oetiker's code in rrd_graph.c:
345 my @symbols = ("a", # 10e-18 Ato
360 my $digits = (0 == $value)? 0 : floor(log(abs($value))/log(1000));
361 return sprintf( $fmt . " %s", $value/pow(1000, $digits),
362 $symbols[ $symbcenter+$digits ] );
371 if( not defined( $media = $self->{'options'}->{'variables'}->{'MEDIA'} ) )
375 return $Torrus::Renderer::styling{$media}{$object};
385 if( $self->{'options'}->{'uid'} and $self->{'options'}->{'acl'} )
387 $self->{'options'}->{'acl'}->
388 userAttribute( $self->{'options'}->{'uid'}, $attr );
400 my $privilege = shift;
402 if( $self->{'options'}->{'uid'} and $self->{'options'}->{'acl'} )
404 $self->{'options'}->{'acl'}->
405 hasPrivilege( $self->{'options'}->{'uid'}, $object, $privilege );
419 my $tt = new Template( TRIM => 1 );
423 'em' => sub { return '<em>' . $_[0] . '</em>'; },
424 'strong' => sub { return '<strong>' . $_[0] . '</strong>'; }
429 foreach my $str ( @strings )
432 my $result = $tt->process( \$str, $ttvars, \$output );
436 Error('Error translating markup: ' . $tt->error());
454 my $time = str2time( $input );
455 # rrdtool does not understand dates prior to 1980 (315529200)
456 if( defined( $time ) and $time > 315529200 )
458 # Present the time in format understood by rrdtool
459 return time2str('%H:%M %Y%m%d', $time);
468 sub may_display_reports
471 my $config_tree = shift;
473 if( $Torrus::Renderer::displayReports )
475 if( not $Torrus::CGI::authorizeUsers )
480 my $tree = $config_tree->treeName();
481 if( $self->hasPrivilege( $tree, 'DisplayReports' ) and
482 -r $Torrus::Global::reportsDir . '/' . $tree .
495 my $config_tree = shift;
497 return $Torrus::Renderer::rendererURL . '/' .
498 $config_tree->treeName() . '?htmlreport=index.html';
505 my $config_tree = shift;
509 my $tree = $config_tree->treeName();
511 my $sr = new Torrus::Search;
512 $sr->openTree( $tree );
513 my $result = $sr->searchPrefix( $string, $tree );
514 $sr->closeTree( $tree );
517 push( @{$ret}, sort {$a->[0] cmp $b->[0]} @{$result} );
528 # indent-tabs-mode: nil
529 # perl-indent-level: 4