/[Frey]/branches/zimbardo/lib/Frey/Web.pm
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Contents of /branches/zimbardo/lib/Frey/Web.pm

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Revision 434 - (show annotations)
Wed Nov 19 01:21:31 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 4276 byte(s)
sort classes in ClassBrowser by usage
1 package Frey::Web;
2 use Moose::Role;
3
4 #with 'Frey::Escape';
5
6 use Frey::Types;
7
8 use Continuity::Widget::DomNode;
9 use Data::Dump qw/dump/;
10 use Carp qw/confess/;
11 use File::Slurp;
12
13 use Frey::Bookmarklet;
14 use Frey::ClassBrowser;
15
16 has 'head' => (
17 is => 'rw',
18 isa => 'ArrayRef[Str]',
19 default => sub { [ 'static/frey.css' ] },
20 );
21
22 has 'status' => (
23 is => 'rw',
24 isa => 'ArrayRef[HashRef[Str]]',
25 lazy => 1,
26 default => sub { [
27 { 'Bookmarklets' => Frey::Bookmarklet->new->markup },
28 { 'ClassBrowser' => Frey::ClassBrowser->new( usage_on_top => 0 )->markup },
29 ] },
30 );
31
32 has 'request_url' => (
33 is => 'rw',
34 isa => 'Uri', coerce => 1,
35 default => '/',
36 );
37
38 has 'title' => (
39 is => 'rw',
40 isa => 'Str',
41 lazy => 1,
42 default => sub {
43 my ($self) = @_;
44 ref($self);
45 },
46 );
47
48 =head2 inline_smaller_than
49
50 Inline JavaScript and CSS smaller than this size into page reducing
51 round-trips to server.
52
53 =cut
54
55 has 'inline_smaller_than' => (
56 is => 'rw',
57 isa => 'Int',
58 default => 10240,
59 );
60
61 sub dom2html {
62 # warn "## dom2html ",dump( @_ );
63 return Continuity::Widget::DomNode->create( @_ )->to_string;
64 }
65
66 sub _inline_path {
67 my ( $self, $path ) = @_;
68 -s $path < $self->inline_smaller_than;
69 }
70
71 sub _head_html {
72 my $self = shift;
73 my $out = '';
74 foreach my $path ( @{ $self->head } ) {
75 $path =~ s!^/!!;
76 if ( $path =~ m/\.js$/ ) {
77 $out .= $self->_inline_path( $path ) ?
78 qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
79 qq|<script type="text/javascript" src="/$path"></script>|;
80 } elsif ( $path =~ m/\.css$/ ) {
81 $out .= $self->_inline_path( $path ) ?
82 qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
83 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
84 } else {
85 confess "don't know how to render $path";
86 }
87 $out .= "\n";
88 }
89 return $out;
90 }
91
92 =head2 add_head
93
94 $o->add_head( 'path/to/external.js' );
95
96 my $size = $o->add_head( 'path/to/external.css' );
97
98 =cut
99
100 sub add_head {
101 my ( $self, $path ) = @_;
102 return if ! defined $path || $path eq '';
103 $path =~ s!^/!!;
104
105 if ( -e $path ) {
106 if ( $path =~ m/\.(?:js|css)$/ ) {
107 push @{ $self->head }, $path;
108 } else {
109 confess "can't add_head( $path ) it's not js or css";
110 }
111 } else {
112 confess "can't find $path: $!";
113 }
114
115 return -s $path;
116 }
117
118 our $reload_counter = 0;
119
120
121 =head2 page
122
123 $self->page(
124 title => 'page title',
125 head => '<!-- optional head markup -->',
126 body => '<b>Page Body</b>',
127 );
128
129 =cut
130
131 sub page {
132 my $self = shift;
133 my $a = {@_};
134
135 $reload_counter++;
136
137 my $status_line = '';
138 foreach my $part ( @{ $self->status } ) {
139 if ( ref($part) ne 'HASH' ) {
140 warn "part not hash ",dump( $part ) ;
141 #$self->status( $part );
142 next;
143 }
144 foreach my $name ( keys %$part ) {
145 my $content = $part->{$name};
146 if ( ref($content) ) {
147 $content = '<code>' . dump($content) . '</code>';
148 my $l = length($content);
149 $content = qq|<span>$l bytes</span>| if $l > 1024;
150 } else {
151 $content = qq|<span>$content</span>|;
152 }
153 warn "### part [$name] = ", length( $content ), " bytes" if $self->debug;
154 $status_line .= qq|<span class="frey-popup">$name $content</span>\n|;
155 }
156 }
157
158 my $html = join("\n",
159 qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
160 $self->_head_html,
161 '<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
162 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
163 ( $a->{head} || '' ),
164 '</head><body>',
165 ( $a->{body} || $self->markup || '<!-- no body -->' ),
166 qq|
167 <div class="frey-status-line">
168 <a href="/">Frey</a> $Frey::VERSION
169 <a href="?reload=$reload_counter"><code>| . $self->request_url . qq|</code></a>
170 $status_line
171 </div>
172 </body></html>
173 |,
174 );
175
176 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
177
178 return $html;
179 }
180
181 sub error {
182 my $self = shift;
183 my $error = join(" ", @_);
184 my ($package, $filename, $line) = caller;
185 $error .= " at $filename line $line" if $error !~ m{ at };
186 warn "WARN: $error\n";
187 $error =~ s{at\s+(\S+)\s+line\s+(\d+)}{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
188 $error =~ s{(via package ")([\w:]+)(")}{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
189 return qq|<pre class="frey-error">$error</pre>|;
190 }
191
192 1;

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