[44] | 1 | <?php
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| 2 | /**
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| 3 | * BackPress Styles enqueue.
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| 4 | *
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| 5 | * These classes were refactored from the WordPress WP_Scripts and WordPress
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| 6 | * script enqueue API.
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| 7 | *
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| 8 | * @package BackPress
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| 9 | * @since r74
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| 10 | */
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| 11 |
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| 12 | /**
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| 13 | * BackPress Styles enqueue class.
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| 14 | *
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| 15 | * @package BackPress
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| 16 | * @uses WP_Dependencies
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| 17 | * @since r74
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| 18 | */
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| 19 | class WP_Styles extends WP_Dependencies {
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| 20 | var $base_url;
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| 21 | var $content_url;
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| 22 | var $default_version;
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| 23 | var $text_direction = 'ltr';
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| 24 | var $concat = '';
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| 25 | var $concat_version = '';
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| 26 | var $do_concat = false;
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| 27 | var $print_html = '';
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| 28 | var $default_dirs;
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| 29 |
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| 30 | function __construct() {
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| 31 | do_action_ref_array( 'wp_default_styles', array(&$this) );
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| 32 | }
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| 33 |
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| 34 | function do_item( $handle ) {
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| 35 | if ( !parent::do_item($handle) )
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| 36 | return false;
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| 37 |
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| 38 | $ver = $this->registered[$handle]->ver ? $this->registered[$handle]->ver : $this->default_version;
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| 39 | if ( isset($this->args[$handle]) )
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| 40 | $ver .= '&' . $this->args[$handle];
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| 41 |
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| 42 | if ( $this->do_concat ) {
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| 43 | if ( $this->in_default_dir($this->registered[$handle]->src) && !isset($this->registered[$handle]->extra['conditional']) && !isset($this->registered[$handle]->extra['alt']) ) {
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| 44 | $this->concat .= "$handle,";
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| 45 | $this->concat_version .= "$handle$ver";
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| 46 | return true;
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| 47 | }
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| 48 | }
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| 49 |
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| 50 | if ( isset($this->registered[$handle]->args) )
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| 51 | $media = esc_attr( $this->registered[$handle]->args );
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| 52 | else
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| 53 | $media = 'all';
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| 54 |
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| 55 | $href = $this->_css_href( $this->registered[$handle]->src, $ver, $handle );
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| 56 | $rel = isset($this->registered[$handle]->extra['alt']) && $this->registered[$handle]->extra['alt'] ? 'alternate stylesheet' : 'stylesheet';
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| 57 | $title = isset($this->registered[$handle]->extra['title']) ? "title='" . esc_attr( $this->registered[$handle]->extra['title'] ) . "'" : '';
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| 58 |
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| 59 | $end_cond = $tag = '';
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| 60 | if ( isset($this->registered[$handle]->extra['conditional']) && $this->registered[$handle]->extra['conditional'] ) {
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| 61 | $tag .= "<!--[if {$this->registered[$handle]->extra['conditional']}]>\n";
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| 62 | $end_cond = "<![endif]-->\n";
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| 63 | }
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| 64 |
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| 65 | $tag .= apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle );
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| 66 | if ( 'rtl' === $this->text_direction && isset($this->registered[$handle]->extra['rtl']) && $this->registered[$handle]->extra['rtl'] ) {
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| 67 | if ( is_bool( $this->registered[$handle]->extra['rtl'] ) )
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| 68 | $rtl_href = str_replace( '.css', '-rtl.css', $this->_css_href( $this->registered[$handle]->src , $ver, "$handle-rtl" ));
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| 69 | else
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| 70 | $rtl_href = $this->_css_href( $this->registered[$handle]->extra['rtl'], $ver, "$handle-rtl" );
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| 71 |
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| 72 | $tag .= apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle );
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| 73 | }
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| 74 |
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| 75 | $tag .= $end_cond;
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| 76 |
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| 77 | if ( $this->do_concat )
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| 78 | $this->print_html .= $tag;
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| 79 | else
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| 80 | echo $tag;
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| 81 |
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| 82 | // Could do something with $this->registered[$handle]->extra here to print out extra CSS rules
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| 83 | // echo "<style type='text/css'>\n";
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| 84 | // echo "/* <![CDATA[ */\n";
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| 85 | // echo "/* ]]> */\n";
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| 86 | // echo "</style>\n";
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| 87 |
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| 88 | return true;
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| 89 | }
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| 90 |
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| 91 | function all_deps( $handles, $recursion = false, $group = false ) {
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| 92 | $r = parent::all_deps( $handles, $recursion );
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| 93 | if ( !$recursion )
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| 94 | $this->to_do = apply_filters( 'print_styles_array', $this->to_do );
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| 95 | return $r;
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| 96 | }
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| 97 |
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| 98 | function _css_href( $src, $ver, $handle ) {
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| 99 | if ( !preg_match('|^https?://|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) {
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| 100 | $src = $this->base_url . $src;
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| 101 | }
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| 102 |
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| 103 | $src = add_query_arg('ver', $ver, $src);
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| 104 | $src = apply_filters( 'style_loader_src', $src, $handle );
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| 105 | return esc_url( $src );
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| 106 | }
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| 107 |
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| 108 | function in_default_dir($src) {
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| 109 | if ( ! $this->default_dirs )
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| 110 | return true;
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| 111 |
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| 112 | foreach ( (array) $this->default_dirs as $test ) {
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| 113 | if ( 0 === strpos($src, $test) )
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| 114 | return true;
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| 115 | }
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| 116 | return false;
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| 117 | }
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| 118 |
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| 119 | }
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