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/;

=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: $!";
}

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

our @javascript;
our $debug = 0;

use Template::Declare;
use Template::Declare::Tags; # defaults to 'HTML'

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