/[webpac2]/trunk/lib/WebPAC/Output/TT.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 201 by dpavlin, Thu Dec 1 13:58:04 2005 UTC revision 347 by dpavlin, Sat Jan 7 17:15:11 2006 UTC
# Line 8  use base qw/WebPAC::Common/; Line 8  use base qw/WebPAC::Common/;
8  use Template;  use Template;
9  use List::Util qw/first/;  use List::Util qw/first/;
10  use Data::Dumper;  use Data::Dumper;
11  use URI::Escape qw/uri_escape_utf8/;  use Encode;
12    
13  =head1 NAME  =head1 NAME
14    
# Line 16  WebPAC::Output::TT - use Template Toolki Line 16  WebPAC::Output::TT - use Template Toolki
16    
17  =head1 VERSION  =head1 VERSION
18    
19  Version 0.03  Version 0.07
20    
21  =cut  =cut
22    
23  our $VERSION = '0.03';  our $VERSION = '0.07';
24    
25  =head1 SYNOPSIS  =head1 SYNOPSIS
26    
# Line 45  By default, Template Toolkit will C<EVAL Line 45  By default, Template Toolkit will C<EVAL
45    
46  sub new {  sub new {
47          my $class = shift;          my $class = shift;
48          my $self = {@_};          my $self = {@_};
49          bless($self, $class);          bless($self, $class);
50    
51          my $log = $self->_get_logger;          my $log = $self->_get_logger;
52    
53          # create Template toolkit instance          # create Template toolkit instance
54          $self->{'tt'} = Template->new(          $self->{'tt'} = Template->new(
55                  INCLUDE_PATH => $self->{'include_path'},                  INCLUDE_PATH => $self->{'include_path'},
56                  FILTERS => $self->{'filter'},                  #FILTERS => $self->{'filters'},
57                  EVAL_PERL => 1,                  EVAL_PERL => 1,
58          );          );
59                    
60          $log->logdie("can't create TT object: $Template::ERROR") unless ($self->{'tt'});          $log->logdie("can't create TT object: $Template::ERROR") unless ($self->{'tt'});
61    
62          $log->debug("filters defined: ",Dumper($self->{'filter'}));          $log->debug("filters defined: ",Dumper($self->{'filters'}));
63    
64          $self ? return $self : return undef;          $self ? return $self : return undef;
65  }  }
# Line 71  Create output from in-memory data struct Line 71  Create output from in-memory data struct
71    
72   my $text = $tt->apply(   my $text = $tt->apply(
73          template => 'text.tt',          template => 'text.tt',
74          data => $ds          data => $ds,
75            record_uri => 'database/prefix/mfn',
76   );   );
77    
78  It also has follwing template toolikit filter routies defined:  It also has follwing template toolikit filter routies defined:
# Line 144  C<d('FieldName','delimiter')>, where C<d Line 145  C<d('FieldName','delimiter')>, where C<d
145    
146  filter to return links to search, usage in TT:  filter to return links to search, usage in TT:
147    
148    [% search('FieldToDisplay','FieldToSearch','optional delimiter') %]    [% search('FieldToDisplay','FieldToSearch','optional delimiter', 'optional_template.tt') %]
149    
150  =cut  =cut
151    
# Line 156  filter to return links to search, usage Line 157  filter to return links to search, usage
157                                    
158                  return sub {                  return sub {
159    
160                          my ($display,$search,$delimiter) = @_;                          my ($display,$search,$delimiter,$template) = @_;
161                                                    
162                          # default delimiter                          # default delimiter
163                          $delimiter ||= '&#182;<br/>',                          $delimiter ||= '&#182;<br/>',
# Line 168  filter to return links to search, usage Line 169  filter to return links to search, usage
169                          my $item = $data->{'data'}->{$display} || return;                          my $item = $data->{'data'}->{$display} || return;
170    
171                          return unless($item->{'display'});                          return unless($item->{'display'});
172                          die "error in TT template: field $display didn't insert anything into search, use d('$display') and not search('$display'...)" unless($item->{'search'});                          if (! $item->{'search'}) {
173                                    warn "error in TT template: field $display didn't insert anything into search, use d('$display') and not search('$display'...)";
174                                    return;
175                            }
176    
177                          my @warn;                          my @warn;
178                          foreach my $type (qw/display search/) {                          foreach my $type (qw/display search/) {
# Line 197  filter to return links to search, usage Line 201  filter to return links to search, usage
201                                                  $s = $item->{'search'}->[0];                                                  $s = $item->{'search'}->[0];
202                                          }                                          }
203                                          #$s =~ s/([^\w.-])/sprintf("%%%02X",ord($1))/eg;                                          #$s =~ s/([^\w.-])/sprintf("%%%02X",ord($1))/eg;
204                                          $s = uri_escape_utf8( $s );                                          $s = __quotemeta( $s );
205    
206                                          my $d = $item->{'display'}->[$i] || die "can't find value $i for type display in field $display";                                          my $d = $item->{'display'}->[$i] || die "can't find value $i for type display in field $display";
207    
208                                          push @html, <<__JS_LINK_SEARCH__                                          my $template_arg = '';
209  <a href="#" onclick="new Ajax.Updater( 'results',  '/search/results?$search=$s', { asynchronous: 1,onLoading: function(request){show_searching();},onLoaded: function(request){hide_searching();} } ) ; return false">$d</a>                                          $template_arg = qq{,'$template'} if ($template);
210  __JS_LINK_SEARCH__  
211                                            push @html, qq{<a href="#" onclick="return search_via_link('$search','$s'${template_arg})">$d</a>};
212                                  }                                  }
213    
214                                  return join($delimiter, @html);                                  return join($delimiter, @html);
# Line 223  __JS_LINK_SEARCH__ Line 228  __JS_LINK_SEARCH__
228    
229          $args->{'search'} = tt_filter_search($args);          $args->{'search'} = tt_filter_search($args);
230    
231    =head3 load_rec
232    
233    Used mostly for onClick events like this:
234    
235      <a href="#" onClick="[% load_rec( record_uri, 'template_name.tt') %]>foo</a>
236    
237    It will automatically do sanity checking and create correct JavaScript code.
238    
239    =cut
240    
241            $args->{'load_rec'} = sub {
242                    my @errors;
243    
244                    my $record_uri = shift or push @errors, "record_uri missing";
245                    my $template = shift or push @errors, "template missing";
246    
247                    if ($record_uri !~ m#^[^/]+/[^/]+/[^/]+$#) {
248                            push @errors, "invalid format of record_uri: $record_uri";
249                    }
250    
251                    if (@errors) {
252                            return "Logger.error('errors in load_rec: " . join(", ", @errors) . "'); return false;";
253                    } else {
254                            return "load_rec('$record_uri','$template'); return false;";
255                    }
256            };
257    
258    =head3 load_template
259    
260    Used to re-submit search request and load results in different template
261    
262      <a href="#" onClick="[% load_template( 'template_name.tt' ) %]">bar</a>
263    
264    =cut
265    
266            $args->{'load_template'} = sub {
267                    my $template = shift or return "Logger.error('load_template missing template name!'); return false;";
268                    return "load_template($template); return false;";
269            };
270    
271            if ($self->{filters}) {
272                    $args->{f} = $self->{filters};
273                    $log->debug("using f.filters");
274            }
275    
276          my $out;          my $out;
277    
278          $self->{'tt'}->process(          $self->{'tt'}->process(
# Line 269  sub to_file { Line 319  sub to_file {
319  }  }
320    
321    
322    =head2 __quotemeta
323    
324    Helper to quote JavaScript-friendly characters
325    
326    =cut
327    
328    sub __quotemeta {
329            local $_ = shift;
330            $_ = decode('iso-8859-2', $_);
331    
332            s<([\x{0080}-\x{fffd}]+)>{sprintf '\u%0*v4X', '\u', $1}ge if ( Encode::is_utf8($_) );
333            {
334                    use bytes;  
335                    s<((?:[^ \x21-\x7E]|(?:\\(?!u)))+)>{sprintf '\x%0*v2X', '\x', $1}ge;
336            }
337    
338            s/\\x09/\\t/g;
339            s/\\x0A/\\n/g;
340            s/\\x0D/\\r/g;
341            s/"/\\"/g;
342            s/\\x5C/\\\\/g;
343    
344            return $_;
345    }
346    
347  =head1 AUTHOR  =head1 AUTHOR
348    
349  Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>  Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
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