The Big, the Fat and the Ugly commit ;)

[deb/packages.git] / lib / Packages / Template.pm

diff --git a/lib/Packages/Template.pm b/lib/Packages/Template.pm
new file mode 100644 (file)
index 0000000..9912cd7
--- /dev/null
+++ b/lib/Packages/Template.pm
@@ -0,0 +1,121 @@
+package Packages::Template;
+
+use strict;
+use warnings;
+
+use Template;
+use Locale::gettext;
+use Benchmark ':hireswallclock';
+
+use Packages::CGI;
+use Packages::I18N::Locale;
+use Packages::I18N::Languages;
+use Packages::I18N::LanguageNames;
+
+our @ISA = qw( Exporter );
+#our @EXPORT = qw( head );
+
+use constant COMPILE => 1;
+
+sub new {
+    my ($classname, $include, $format, $vars, $options) = @_;
+    $options ||= {};
+
+    my $self = {};
+    bless( $self, $classname );
+
+    my @timestamp = gmtime;
+    $vars->{timestamp} = {
+       year => $timestamp[5]+1900,
+       string => scalar gmtime() .' UTC',
+    };
+
+    $self->{template} = Template->new( {
+       PRE_PROCESS => [ 'config.tmpl' ],
+       INCLUDE_PATH => $include,
+       VARIABLES => $vars,
+       COMPILE_EXT => '.ttc',
+       %$options,
+    } ) or fatal_error( sprintf( _g( "Initialization of Template Engine failed: %s" ), $Template::ERROR ) );
+    $self->{format} = $format;
+
+    return $self;
+}
+
+sub process {
+    my $self = shift;
+    return $self->{template}->process(@_);
+}
+sub error {
+    my $self = shift;
+    return $self->{template}->error(@_);
+}
+
+sub page {
+    my ($self, $action, $page_content) = @_;
+
+    #use Data::Dumper;
+    #die Dumper($self, $action, $page_content);
+
+    my $txt;
+    $self->process("$self->{format}/$action.tmpl", $page_content, \$txt)
+       or die sprintf( "template error: %s", $self->error ); # too late for reporting on-line
+
+    return $txt;
+}
+
+sub error_page {
+    my ($self, $page_content) = @_;
+
+#    use Data::Dumper;
+#    warn Dumper($page_content);
+
+    my $txt;
+    $self->process("$self->{format}/error.tmpl", $page_content, \$txt)
+       or die sprintf( "template error: %s", $self->error ); # too late for reporting on-line
+
+    return $txt;
+}
+
+sub trailer {
+    my ($self, $NAME, $LANG, $USED_LANGS, $timediff) = @_;
+
+    my $langs = languages( $LANG, @$USED_LANGS );
+
+    my $txt;
+    $self->process("$self->{format}/foot.tmpl", { langs => $langs, name => $NAME, benchmark => $timediff ? timestr($timediff) : '' }, \$txt)
+       or die sprintf( "template error: %s", $self->error ); # too late for reporting on-line
+
+    return $txt;
+}
+
+sub languages {
+    my ( $lang, @used_langs ) = @_;
+    
+    my @langs;
+
+    if (@used_langs) {
+       
+       my @printed_langs = ();
+       foreach (@used_langs) {
+           next if $_ eq $lang; # Never print the current language
+           unless (get_selfname($_)) { warn "missing language $_"; next } #DEBUG
+           push @printed_langs, $_;
+       }
+       return [] unless scalar @printed_langs;
+       # Sort on uppercase to work with languages which use lowercase initial
+       # letters.
+       foreach my $cur_lang (sort langcmp @printed_langs) {
+           my %lang;
+           $lang{lang} = $cur_lang;
+           $lang{tooltip} = dgettext( "langs", get_language_name($cur_lang) );
+            $lang{selfname} = get_selfname($cur_lang);
+           $lang{transliteration} = get_transliteration($cur_lang) if defined get_transliteration($cur_lang);
+           push @langs, \%lang;
+       }
+    }
+    
+    return \@langs;
+}
+
+1;