lib/Frey/HTML.pm

package Frey::HTML;

use strict;
use warnings;

use Time::HiRes qw/time/;
use Data::Dump qw/dump/;
use Carp qw/confess carp/;

#use Template::Declare;
use base qw/Template::Declare/;
use Template::Declare::Tags; # defaults to 'HTML'

=head1 NAME

Frey::HTML - generate html pages

=head2 METHODS

=cut

# FIXME

our @view_classes = qw(
        Frey::View
        Strix::View
);

warn "Using view classes ", dump( @view_classes );

foreach ( @view_classes ) {
        my $path = $_;
        $path =~ s!::!/!g;
        $path .= '.pm';
        require $path or warn "Can't require $_ from $path: $!";
        # this will import templates as fully qualified paths
        import_templates $_ under "/$_/";
}

warn "available templates = ",dump( Template::Declare->templates );

our @javascript;
our $debug = 0;

Template::Declare->init( roots => \@view_classes, around_template => sub {
        my ($orig, $path, $args, $code) = @_;
        my $from = (caller(1))[3];
        my $package = __PACKAGE__;
        if ( $from !~ m/$package/ ) {
                warn "SKIP around_template for $path from $from\n";
                return $orig->();
        } else {
                warn "WRAP around_temolate for $path from $from\n";
        }

        my $t = time;
        html {
                head {
                        title { $path }
                        link {
                                { rel is 'stylesheet' }
                                { href is '/static/app.css' }
                                { type is 'text/css' }
                                { media is 'screen' }
                        };
                        foreach my $js ( @javascript ) {
                                script { 
                                        { type is 'text/javascript' }
                                        { src is "/$js" }
                                }
                        };
                }
                body {
                        $orig->();
                }
        };
        warn "TEMPLATE $path ",dump($args),sprintf(" in %.4fs\n",time - $t) if $debug;
});

=head2 page

Wrap template into html page

  Frey::HTML->page( 'template_name', $req, $args );

=cut

sub page {
        my ( $self, $page, $req, $args ) = @_;
        warn "## buffer_stack ",dump( Template::Declare->buffer_stack );
        Template::Declare->buffer->clear; # XXX we need to manually do this!
        warn "## page $page ",dump($args),"\n";
        my $out = eval { Template::Declare->show( $page, $req, $args ) };
        if ( $@ ) {
                carp "ERROR: $@";
                $out = Template::Declare->show( 'error', $req, "page $page " . dump($args) . ": $@" );
        }
        return $out;
}

=head2 add_javascript

Add javascript to current page

  Frey::HTML->add_javascript( 'static/javascript.js' );

=cut

sub add_javascript {
        my $self = shift;
        my $js = shift or confess "no JavaScript path";
#       return unless -e $js; # FIXME
        warn "Added javascript $js\n";
        push @javascript, $js;
}

1;
1	dpavlin	23	package Frey::HTML;
2	dpavlin	10
3			use strict;
4			use warnings;
5
6			use Time::HiRes qw/time/;
7			use Data::Dump qw/dump/;
8	dpavlin	26	use Carp qw/confess carp/;
9	dpavlin	19
10	dpavlin	40	#use Template::Declare;
11			use base qw/Template::Declare/;
12			use Template::Declare::Tags; # defaults to 'HTML'
13
14	dpavlin	23	=head1 NAME
15
16			Frey::HTML - generate html pages
17
18			=head2 METHODS
19
20			=cut
21
22	dpavlin	19	# FIXME
23	dpavlin	10
24	dpavlin	21	our @view_classes = qw(
25			Frey::View
26			Strix::View
27			);
28
29			warn "Using view classes ", dump( @view_classes );
30
31			foreach ( @view_classes ) {
32			my $path = $_;
33			$path =~ s!::!/!g;
34			$path .= '.pm';
35			require $path or warn "Can't require $_ from $path: $!";
36	dpavlin	40	# this will import templates as fully qualified paths
37			import_templates $_ under "/$_/";
38	dpavlin	21	}
39
40	dpavlin	10	warn "available templates = ",dump( Template::Declare->templates );
41
42	dpavlin	14	our @javascript;
43	dpavlin	23	our $debug = 0;
44	dpavlin	14
45	dpavlin	21	Template::Declare->init( roots => \@view_classes, around_template => sub {
46	dpavlin	10	my ($orig, $path, $args, $code) = @_;
47	dpavlin	38	my $from = (caller(1))[3];
48			my $package = __PACKAGE__;
49			if ( $from !~ m/$package/ ) {
50			warn "SKIP around_template for $path from $from\n";
51			return $orig->();
52			} else {
53			warn "WRAP around_temolate for $path from $from\n";
54			}
55
56	dpavlin	10	my $t = time;
57			html {
58	dpavlin	14	head {
59			title { $path }
60			link {
61			{ rel is 'stylesheet' }
62	dpavlin	26	{ href is '/static/app.css' }
63	dpavlin	14	{ type is 'text/css' }
64			{ media is 'screen' }
65			};
66			foreach my $js ( @javascript ) {
67			script {
68			{ type is 'text/javascript' }
69	dpavlin	26	{ src is "/$js" }
70	dpavlin	14	}
71	dpavlin	32	};
72	dpavlin	14	}
73	dpavlin	10	body {
74			$orig->();
75			}
76	dpavlin	23	};
77			warn "TEMPLATE $path ",dump($args),sprintf(" in %.4fs\n",time - $t) if $debug;
78	dpavlin	10	});
79
80	dpavlin	23	=head2 page
81
82			Wrap template into html page
83
84			Frey::HTML->page( 'template_name', $req, $args );
85
86			=cut
87
88			sub page {
89	dpavlin	32	my ( $self, $page, $req, $args ) = @_;
90	dpavlin	39	warn "## buffer_stack ",dump( Template::Declare->buffer_stack );
91			Template::Declare->buffer->clear; # XXX we need to manually do this!
92	dpavlin	32	warn "## page $page ",dump($args),"\n";
93			my $out = eval { Template::Declare->show( $page, $req, $args ) };
94	dpavlin	26	if ( $@ ) {
95			carp "ERROR: $@";
96	dpavlin	32	$out = Template::Declare->show( 'error', $req, "page $page " . dump($args) . ": $@" );
97	dpavlin	26	}
98	dpavlin	32	return $out;
99	dpavlin	10	}
100	dpavlin	14
101	dpavlin	23	=head2 add_javascript
102
103			Add javascript to current page
104
105			Frey::HTML->add_javascript( 'static/javascript.js' );
106
107			=cut
108
109	dpavlin	14	sub add_javascript {
110			my $self = shift;
111			my $js = shift or confess "no JavaScript path";
112			# return unless -e $js; # FIXME
113			warn "Added javascript $js\n";
114			push @javascript, $js;
115			}
116	dpavlin	39
117			1;