Wordpress 2.6.2-scripts
[autoinstalls/wordpress.git] / wp-includes / class.wp-styles.php
1 <?php
2
3 class WP_Styles extends WP_Dependencies {
4         var $base_url;
5         var $default_version;
6         var $text_direction = 'ltr';
7
8         function __construct() {
9                 do_action_ref_array( 'wp_default_styles', array(&$this) );
10         }
11
12         function do_item( $handle ) {
13                 if ( !parent::do_item($handle) )
14                         return false;
15
16                 $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
17                 if ( isset($this->args[$handle]) )
18                         $ver .= '&amp;' . $this->args[$handle];
19
20                 if ( isset($this->registered[$handle]->args) )
21                         $media = attribute_escape( $this->registered[$handle]->args );
22                 else
23                         $media = 'all';
24
25                 $href = $this->_css_href( $this->registered[$handle]->src, $ver, $handle );
26
27                 $end_cond = '';
28                 if ( isset($this->registered[$handle]->extra['conditional']) && $this->registered[$handle]->extra['conditional'] ) {
29                         echo "<!--[if {$this->registered[$handle]->extra['conditional']}]>\n";
30                         $end_cond = "<![endif]-->\n";
31                 }
32
33                 echo apply_filters( 'style_loader_tag', "<link rel='stylesheet' href='$href' type='text/css' media='$media' />\n", $handle );
34                 if ( 'rtl' === $this->text_direction && isset($this->registered[$handle]->extra['rtl']) && $this->registered[$handle]->extra['rtl'] ) {
35                         if ( is_bool( $this->registered[$handle]->extra['rtl'] ) )
36                                 $rtl_href = str_replace( '.css', '-rtl.css', $href );
37                         else
38                                 $rtl_href = $this->_css_href( $this->registered[$handle]->extra['rtl'], $ver, "$handle-rtl" );
39
40                         echo apply_filters( 'style_loader_tag', "<link rel='stylesheet' href='$rtl_href' type='text/css' media='$media' />\n", $handle );
41                 }
42
43                 echo $end_cond;
44
45                 // Could do something with $this->registered[$handle]->extra here to print out extra CSS rules
46 //              echo "<style type='text/css'>\n";
47 //              echo "/* <![CDATA[ */\n";
48 //              echo "/* ]]> */\n";
49 //              echo "</style>\n";
50
51                 return true;
52         }
53
54         function all_deps( $handles, $recursion = false ) {
55                 $r = parent::all_deps( $handles, $recursion );
56                 if ( !$recursion )
57                         $this->to_do = apply_filters( 'print_styles_array', $this->to_do );
58                 return $r;
59         }
60
61         function _css_href( $src, $ver, $handle ) {
62                 if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) {
63                         $src = $this->base_url . $src;
64                 }
65
66                 $src = add_query_arg('ver', $ver, $src);
67                 $src = apply_filters( 'style_loader_src', $src, $handle );
68                 return clean_url( $src );
69         }
70
71 }