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

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Revision 444 - (hide annotations)
Wed Nov 19 02:52:42 2008 UTC (15 years, 4 months ago) by dpavlin
Original Path: trunk/lib/Frey/Web.pm
File size: 4428 byte(s)
add_head now accepts html to add into head
1 dpavlin 100 package Frey::Web;
2     use Moose::Role;
3    
4 dpavlin 397 #with 'Frey::Escape';
5    
6 dpavlin 388 use Frey::Types;
7    
8 dpavlin 100 use Continuity::Widget::DomNode;
9     use Data::Dump qw/dump/;
10 dpavlin 389 use Carp qw/confess/;
11 dpavlin 161 use File::Slurp;
12 dpavlin 100
13 dpavlin 410 use Frey::Bookmarklet;
14     use Frey::ClassBrowser;
15    
16 dpavlin 156 has 'head' => (
17 dpavlin 121 is => 'rw',
18     isa => 'ArrayRef[Str]',
19 dpavlin 160 default => sub { [ 'static/frey.css' ] },
20 dpavlin 121 );
21    
22 dpavlin 388 has 'status' => (
23     is => 'rw',
24     isa => 'ArrayRef[HashRef[Str]]',
25     lazy => 1,
26     default => sub { [
27 dpavlin 410 { 'Bookmarklets' => Frey::Bookmarklet->new->markup },
28 dpavlin 434 { 'ClassBrowser' => Frey::ClassBrowser->new( usage_on_top => 0 )->markup },
29 dpavlin 388 ] },
30     );
31    
32 dpavlin 392 has 'request_url' => (
33 dpavlin 388 is => 'rw',
34     isa => 'Uri', coerce => 1,
35     default => '/',
36     );
37    
38 dpavlin 418 has 'title' => (
39     is => 'rw',
40     isa => 'Str',
41     lazy => 1,
42     default => sub {
43     my ($self) = @_;
44     ref($self);
45     },
46     );
47    
48 dpavlin 206 =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 dpavlin 161 has 'inline_smaller_than' => (
56     is => 'rw',
57     isa => 'Int',
58     default => 10240,
59     );
60    
61 dpavlin 100 sub dom2html {
62 dpavlin 106 # warn "## dom2html ",dump( @_ );
63 dpavlin 100 return Continuity::Widget::DomNode->create( @_ )->to_string;
64     }
65    
66 dpavlin 161 sub _inline_path {
67     my ( $self, $path ) = @_;
68     -s $path < $self->inline_smaller_than;
69     }
70    
71 dpavlin 156 sub _head_html {
72     my $self = shift;
73 dpavlin 121 my $out = '';
74 dpavlin 156 foreach my $path ( @{ $self->head } ) {
75 dpavlin 121 $path =~ s!^/!!;
76 dpavlin 156 if ( $path =~ m/\.js$/ ) {
77 dpavlin 161 $out .= $self->_inline_path( $path ) ?
78 dpavlin 163 qq|<!-- $path --><script type="text/javascript">\n| . read_file($path) . qq|\n</script>| :
79 dpavlin 161 qq|<script type="text/javascript" src="/$path"></script>|;
80 dpavlin 156 } elsif ( $path =~ m/\.css$/ ) {
81 dpavlin 161 $out .= $self->_inline_path( $path ) ?
82 dpavlin 163 qq|<!-- $path --><style type="text/css">\n| . read_file( $path ) . qq|\n</style>| :
83 dpavlin 161 qq|<link type="text/css" rel="stylesheet" href="/$path" media="screen">|;
84 dpavlin 444 } elsif ( $path =~ m{<.+>} ) {
85     $out .= $path;
86 dpavlin 156 } else {
87     confess "don't know how to render $path";
88     }
89 dpavlin 163 $out .= "\n";
90 dpavlin 121 }
91     return $out;
92     }
93 dpavlin 100
94 dpavlin 154 =head2 add_head
95    
96     $o->add_head( 'path/to/external.js' );
97    
98     my $size = $o->add_head( 'path/to/external.css' );
99    
100     =cut
101    
102     sub add_head {
103     my ( $self, $path ) = @_;
104     return if ! defined $path || $path eq '';
105     $path =~ s!^/!!;
106    
107 dpavlin 444 if ( $path =~ m{<.*>} ) {
108     push @{ $self->head }, $path;
109     } elsif ( -e $path ) {
110 dpavlin 156 if ( $path =~ m/\.(?:js|css)$/ ) {
111     push @{ $self->head }, $path;
112 dpavlin 154 } else {
113     confess "can't add_head( $path ) it's not js or css";
114     }
115 dpavlin 444 return -s $path;
116 dpavlin 154 } else {
117     confess "can't find $path: $!";
118     }
119    
120     }
121    
122 dpavlin 142 our $reload_counter = 0;
123    
124 dpavlin 183
125     =head2 page
126    
127     $self->page(
128     title => 'page title',
129     head => '<!-- optional head markup -->',
130     body => '<b>Page Body</b>',
131     );
132    
133     =cut
134    
135 dpavlin 121 sub page {
136 dpavlin 100 my $self = shift;
137 dpavlin 121 my $a = {@_};
138 dpavlin 100
139 dpavlin 142 $reload_counter++;
140    
141 dpavlin 388 my $status_line = '';
142     foreach my $part ( @{ $self->status } ) {
143 dpavlin 422 if ( ref($part) ne 'HASH' ) {
144     warn "part not hash ",dump( $part ) ;
145     #$self->status( $part );
146     next;
147     }
148 dpavlin 388 foreach my $name ( keys %$part ) {
149 dpavlin 392 my $content = $part->{$name};
150     if ( ref($content) ) {
151 dpavlin 397 $content = '<code>' . dump($content) . '</code>';
152     my $l = length($content);
153     $content = qq|<span>$l bytes</span>| if $l > 1024;
154 dpavlin 392 } else {
155     $content = qq|<span>$content</span>|;
156     }
157     warn "### part [$name] = ", length( $content ), " bytes" if $self->debug;
158 dpavlin 397 $status_line .= qq|<span class="frey-popup">$name $content</span>\n|;
159 dpavlin 388 }
160     }
161    
162 dpavlin 439 my $url = $self->request_url;
163     $url =~ s{\?reload=\d+}{};
164    
165 dpavlin 388 my $html = join("\n",
166     qq|<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"><html><head>|,
167     $self->_head_html,
168 dpavlin 418 '<title>' . ( $self->title || $a->{title} || ref($self) ) . '</title>',
169 dpavlin 388 '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">',
170     ( $a->{head} || '' ),
171     '</head><body>',
172 dpavlin 418 ( $a->{body} || $self->markup || '<!-- no body -->' ),
173 dpavlin 388 qq|
174     <div class="frey-status-line">
175     <a href="/">Frey</a> $Frey::VERSION
176 dpavlin 439 <a href="?reload=$reload_counter"><code>$url</code></a>
177 dpavlin 388 $status_line
178 dpavlin 210 </div>
179     </body></html>
180 dpavlin 388 |,
181     );
182 dpavlin 100
183 dpavlin 121 warn "## >>> page ",length($html), " bytes\n" if $self->debug;
184 dpavlin 100
185 dpavlin 121 return $html;
186 dpavlin 100 }
187    
188 dpavlin 350 sub error {
189 dpavlin 397 my $self = shift;
190     my $error = join(" ", @_);
191 dpavlin 389 my ($package, $filename, $line) = caller;
192 dpavlin 398 $error .= " at $filename line $line" if $error !~ m{ at };
193 dpavlin 389 warn "WARN: $error\n";
194 dpavlin 407 $error =~ s{at\s+(\S+)\s+line\s+(\d+)}{at <a target="editor" href="/editor+$1+$2">$1</a> line $2}gsm;
195 dpavlin 417 $error =~ s{(via package ")([\w:]+)(")}{$1<a target="editor" href="/editor+$2+1">$2</a>$3}gsm;
196 dpavlin 350 return qq|<pre class="frey-error">$error</pre>|;
197     }
198    
199 dpavlin 100 1;

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