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