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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 $print_code = ''; |
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29 var $default_dirs; |
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30 |
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31 function __construct() { |
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32 do_action_ref_array( 'wp_default_styles', array(&$this) ); |
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33 } |
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34 |
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35 function do_item( $handle ) { |
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36 if ( !parent::do_item($handle) ) |
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37 return false; |
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38 |
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39 $obj = $this->registered[$handle]; |
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40 if ( null === $obj->ver ) |
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41 $ver = ''; |
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42 else |
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43 $ver = $obj->ver ? $obj->ver : $this->default_version; |
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44 |
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45 if ( isset($this->args[$handle]) ) |
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46 $ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle]; |
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47 |
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48 if ( $this->do_concat ) { |
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49 if ( $this->in_default_dir($obj->src) && !isset($obj->extra['conditional']) && !isset($obj->extra['alt']) ) { |
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50 $this->concat .= "$handle,"; |
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51 $this->concat_version .= "$handle$ver"; |
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52 |
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53 $this->print_code .= $this->print_inline_style( $handle, false ); |
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54 |
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55 return true; |
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56 } |
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57 } |
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58 |
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59 if ( isset($obj->args) ) |
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60 $media = esc_attr( $obj->args ); |
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61 else |
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62 $media = 'all'; |
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63 |
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64 $href = $this->_css_href( $obj->src, $ver, $handle ); |
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65 $rel = isset($obj->extra['alt']) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet'; |
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66 $title = isset($obj->extra['title']) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : ''; |
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67 |
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68 $end_cond = $tag = ''; |
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69 if ( isset($obj->extra['conditional']) && $obj->extra['conditional'] ) { |
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70 $tag .= "<!--[if {$obj->extra['conditional']}]>\n"; |
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71 $end_cond = "<![endif]-->\n"; |
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72 } |
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73 |
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74 $tag .= apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle ); |
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75 if ( 'rtl' === $this->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] ) { |
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76 if ( is_bool( $obj->extra['rtl'] ) ) { |
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77 $suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : ''; |
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78 $rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $obj->src , $ver, "$handle-rtl" )); |
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79 } else { |
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80 $rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" ); |
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81 } |
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82 |
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83 $tag .= apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle ); |
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84 } |
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85 |
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86 $tag .= $end_cond; |
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87 |
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88 if ( $this->do_concat ) { |
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89 $this->print_html .= $tag; |
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90 if ( $inline_style = $this->print_inline_style( $handle, false ) ) |
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91 $this->print_html .= sprintf( "<style type='text/css'>\n%s\n</style>\n", $inline_style ); |
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92 } else { |
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93 echo $tag; |
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94 $this->print_inline_style( $handle ); |
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95 } |
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96 |
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97 return true; |
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98 } |
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99 |
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100 function add_inline_style( $handle, $code ) { |
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101 if ( !$code ) |
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102 return false; |
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103 |
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104 $after = $this->get_data( $handle, 'after' ); |
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105 if ( !$after ) |
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106 $after = array(); |
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107 |
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108 $after[] = $code; |
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109 |
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110 return $this->add_data( $handle, 'after', $after ); |
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111 } |
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112 |
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113 function print_inline_style( $handle, $echo = true ) { |
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114 $output = $this->get_data( $handle, 'after' ); |
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115 |
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116 if ( empty( $output ) ) |
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117 return false; |
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118 |
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119 $output = implode( "\n", $output ); |
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120 |
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121 if ( !$echo ) |
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122 return $output; |
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123 |
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124 echo "<style type='text/css'>\n"; |
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125 echo "$output\n"; |
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126 echo "</style>\n"; |
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127 |
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128 return true; |
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129 } |
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130 |
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131 function all_deps( $handles, $recursion = false, $group = false ) { |
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132 $r = parent::all_deps( $handles, $recursion ); |
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133 if ( !$recursion ) |
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134 $this->to_do = apply_filters( 'print_styles_array', $this->to_do ); |
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135 return $r; |
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136 } |
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137 |
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138 function _css_href( $src, $ver, $handle ) { |
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139 if ( !is_bool($src) && !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) { |
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140 $src = $this->base_url . $src; |
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141 } |
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142 |
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143 if ( !empty($ver) ) |
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144 $src = add_query_arg('ver', $ver, $src); |
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145 $src = apply_filters( 'style_loader_src', $src, $handle ); |
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146 return esc_url( $src ); |
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147 } |
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148 |
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149 function in_default_dir($src) { |
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150 if ( ! $this->default_dirs ) |
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151 return true; |
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152 |
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153 foreach ( (array) $this->default_dirs as $test ) { |
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154 if ( 0 === strpos($src, $test) ) |
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155 return true; |
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156 } |
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157 return false; |
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158 } |
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159 |
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160 function do_footer_items() { // HTML 5 allows styles in the body, grab late enqueued items and output them in the footer. |
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161 $this->do_items(false, 1); |
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162 return $this->done; |
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163 } |
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164 |
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165 function reset() { |
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166 $this->do_concat = false; |
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167 $this->concat = ''; |
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168 $this->concat_version = ''; |
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169 $this->print_html = ''; |
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170 } |
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171 } |