<?php /** * BackPress Styles enqueue. * * These classes were refactored from the WordPress WP_Scripts and WordPress * script enqueue API. * * @package BackPress * @since r74 */ /** * BackPress Styles enqueue class. * * @package BackPress * @uses WP_Dependencies * @since r74 */ class WP_Styles extends WP_Dependencies { var $base_url; var $content_url; var $default_version; var $text_direction = 'ltr'; var $concat = ''; var $concat_version = ''; var $do_concat = false; var $print_html = ''; var $print_code = ''; var $default_dirs; function __construct() { do_action_ref_array( 'wp_default_styles', array(&$this) ); } function do_item( $handle ) { if ( !parent::do_item($handle) ) return false; $obj = $this->registered[$handle]; if ( null === $obj->ver ) $ver = ''; else $ver = $obj->ver ? $obj->ver : $this->default_version; if ( isset($this->args[$handle]) ) $ver = $ver ? $ver . '&' . $this->args[$handle] : $this->args[$handle]; if ( $this->do_concat ) { if ( $this->in_default_dir($obj->src) && !isset($obj->extra['conditional']) && !isset($obj->extra['alt']) ) { $this->concat .= "$handle,"; $this->concat_version .= "$handle$ver"; $this->print_code .= $this->get_data( $handle, 'after' ); return true; } } if ( isset($obj->args) ) $media = esc_attr( $obj->args ); else $media = 'all'; $href = $this->_css_href( $obj->src, $ver, $handle ); $rel = isset($obj->extra['alt']) && $obj->extra['alt'] ? 'alternate stylesheet' : 'stylesheet'; $title = isset($obj->extra['title']) ? "title='" . esc_attr( $obj->extra['title'] ) . "'" : ''; $end_cond = $tag = ''; if ( isset($obj->extra['conditional']) && $obj->extra['conditional'] ) { $tag .= "<!--[if {$obj->extra['conditional']}]>\n"; $end_cond = "<![endif]-->\n"; } $tag .= apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-css' $title href='$href' type='text/css' media='$media' />\n", $handle ); if ( 'rtl' === $this->text_direction && isset($obj->extra['rtl']) && $obj->extra['rtl'] ) { if ( is_bool( $obj->extra['rtl'] ) ) { $suffix = isset( $obj->extra['suffix'] ) ? $obj->extra['suffix'] : ''; $rtl_href = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $this->_css_href( $obj->src , $ver, "$handle-rtl" )); } else { $rtl_href = $this->_css_href( $obj->extra['rtl'], $ver, "$handle-rtl" ); } $tag .= apply_filters( 'style_loader_tag', "<link rel='$rel' id='$handle-rtl-css' $title href='$rtl_href' type='text/css' media='$media' />\n", $handle ); } $tag .= $end_cond; if ( $this->do_concat ) { $this->print_html .= $tag; $this->print_html .= $this->print_inline_style( $handle, false ); } else { echo $tag; $this->print_inline_style( $handle ); } return true; } function add_inline_style( $handle, $code ) { if ( !$code ) return false; $after = $this->get_data( $handle, 'after' ); if ( !$after ) $after = array(); $after[] = $code; return $this->add_data( $handle, 'after', $after ); } function print_inline_style( $handle, $echo = true ) { $output = $this->get_data( $handle, 'after' ); if ( empty( $output ) ) return false; $output = implode( "\n", $output ); if ( !$echo ) return $output; echo "<style type='text/css'>\n"; echo "$output\n"; echo "</style>\n"; return true; } function all_deps( $handles, $recursion = false, $group = false ) { $r = parent::all_deps( $handles, $recursion ); if ( !$recursion ) $this->to_do = apply_filters( 'print_styles_array', $this->to_do ); return $r; } function _css_href( $src, $ver, $handle ) { if ( !is_bool($src) && !preg_match('|^(https?:)?//|', $src) && ! ( $this->content_url && 0 === strpos($src, $this->content_url) ) ) { $src = $this->base_url . $src; } if ( !empty($ver) ) $src = add_query_arg('ver', $ver, $src); $src = apply_filters( 'style_loader_src', $src, $handle ); return esc_url( $src ); } function in_default_dir($src) { if ( ! $this->default_dirs ) return true; foreach ( (array) $this->default_dirs as $test ) { if ( 0 === strpos($src, $test) ) return true; } return false; } function do_footer_items() { // HTML 5 allows styles in the body, grab late enqueued items and output them in the footer. $this->do_items(false, 1); return $this->done; } function reset() { $this->do_concat = false; $this->concat = ''; $this->concat_version = ''; $this->print_html = ''; } }