home *** CD-ROM | disk | FTP | other *** search
- <?php
- /*
- * Theme/template/stylesheet functions.
- */
-
- function get_stylesheet() {
- return apply_filters('stylesheet', get_option('stylesheet'));
- }
-
- function get_stylesheet_directory() {
- $stylesheet = get_stylesheet();
- $stylesheet_dir = get_theme_root() . "/$stylesheet";
- return apply_filters('stylesheet_directory', $stylesheet_dir, $stylesheet);
- }
-
- function get_stylesheet_directory_uri() {
- $stylesheet = get_stylesheet();
- $stylesheet_dir_uri = get_theme_root_uri() . "/$stylesheet";
- return apply_filters('stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet);
- }
-
- function get_stylesheet_uri() {
- $stylesheet_dir_uri = get_stylesheet_directory_uri();
- $stylesheet_uri = $stylesheet_dir_uri . "/style.css";
- return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
- }
-
- function get_locale_stylesheet_uri() {
- global $wp_locale;
- $stylesheet_dir_uri = get_stylesheet_directory_uri();
- $dir = get_stylesheet_directory();
- $locale = get_locale();
- if ( file_exists("$dir/$locale.css") )
- $stylesheet_uri = "$stylesheet_dir_uri/$locale.css";
- elseif ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") )
- $stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css";
- else
- $stylesheet_uri = '';
- return apply_filters('locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
- }
-
- function get_template() {
- return apply_filters('template', get_option('template'));
- }
-
- function get_template_directory() {
- $template = get_template();
- $template_dir = get_theme_root() . "/$template";
- return apply_filters('template_directory', $template_dir, $template);
- }
-
- function get_template_directory_uri() {
- $template = get_template();
- $template_dir_uri = get_theme_root_uri() . "/$template";
- return apply_filters('template_directory_uri', $template_dir_uri, $template);
- }
-
- function get_theme_data( $theme_file ) {
- $themes_allowed_tags = array(
- 'a' => array(
- 'href' => array(),'title' => array()
- ),
- 'abbr' => array(
- 'title' => array()
- ),
- 'acronym' => array(
- 'title' => array()
- ),
- 'code' => array(),
- 'em' => array(),
- 'strong' => array()
- );
-
- $theme_data = implode( '', file( $theme_file ) );
- $theme_data = str_replace ( '\r', '\n', $theme_data );
- preg_match( '|Theme Name:(.*)$|mi', $theme_data, $theme_name );
- preg_match( '|Theme URI:(.*)$|mi', $theme_data, $theme_uri );
- preg_match( '|Description:(.*)$|mi', $theme_data, $description );
-
- if ( preg_match( '|Author URI:(.*)$|mi', $theme_data, $author_uri ) )
- $author_uri = clean_url( trim( $author_uri[1]) );
- else
- $author_uti = '';
-
- if ( preg_match( '|Template:(.*)$|mi', $theme_data, $template ) )
- $template = wp_kses( trim( $template[1] ), $themes_allowed_tags );
- else
- $template = '';
-
- if ( preg_match( '|Version:(.*)|i', $theme_data, $version ) )
- $version = wp_kses( trim( $version[1] ), $themes_allowed_tags );
- else
- $version = '';
-
- if ( preg_match('|Status:(.*)|i', $theme_data, $status) )
- $status = wp_kses( trim( $status[1] ), $themes_allowed_tags );
- else
- $status = 'publish';
-
- if ( preg_match('|Tags:(.*)|i', $theme_data, $tags) )
- $tags = array_map( 'trim', explode( ',', wp_kses( trim( $tags[1] ), array() ) ) );
- else
- $tags = array();
-
- $name = $theme = wp_kses( trim( $theme_name[1] ), $themes_allowed_tags );
- $theme_uri = clean_url( trim( $theme_uri[1] ) );
- $description = wptexturize( wp_kses( trim( $description[1] ), $themes_allowed_tags ) );
-
- if ( preg_match( '|Author:(.*)$|mi', $theme_data, $author_name ) ) {
- if ( empty( $author_uri ) ) {
- $author = wp_kses( trim( $author_name[1] ), $themes_allowed_tags );
- } else {
- $author = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>', $author_uri, __( 'Visit author homepage' ), wp_kses( trim( $author_name[1] ), $themes_allowed_tags ) );
- }
- } else {
- $author = __('Anonymous');
- }
-
- return array( 'Name' => $name, 'Title' => $theme, 'URI' => $theme_uri, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Status' => $status, 'Tags' => $tags );
- }
-
- function get_themes() {
- global $wp_themes, $wp_broken_themes;
-
- if ( isset($wp_themes) )
- return $wp_themes;
-
- $themes = array();
- $wp_broken_themes = array();
- $theme_loc = $theme_root = get_theme_root();
- if ( '/' != WP_CONTENT_DIR ) // don't want to replace all forward slashes, see Trac #4541
- $theme_loc = str_replace(WP_CONTENT_DIR, '', $theme_root);
-
- // Files in wp-content/themes directory and one subdir down
- $themes_dir = @ opendir($theme_root);
- if ( !$themes_dir )
- return false;
-
- while ( ($theme_dir = readdir($themes_dir)) !== false ) {
- if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) {
- if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
- continue;
- $stylish_dir = @ opendir($theme_root . '/' . $theme_dir);
- $found_stylesheet = false;
- while ( ($theme_file = readdir($stylish_dir)) !== false ) {
- if ( $theme_file == 'style.css' ) {
- $theme_files[] = $theme_dir . '/' . $theme_file;
- $found_stylesheet = true;
- break;
- }
- }
- @closedir($stylish_dir);
- if ( !$found_stylesheet ) { // look for themes in that dir
- $subdir = "$theme_root/$theme_dir";
- $subdir_name = $theme_dir;
- $theme_subdir = @ opendir( $subdir );
- while ( ($theme_dir = readdir($theme_subdir)) !== false ) {
- if ( is_dir( $subdir . '/' . $theme_dir) && is_readable($subdir . '/' . $theme_dir) ) {
- if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' )
- continue;
- $stylish_dir = @ opendir($subdir . '/' . $theme_dir);
- $found_stylesheet = false;
- while ( ($theme_file = readdir($stylish_dir)) !== false ) {
- if ( $theme_file == 'style.css' ) {
- $theme_files[] = $subdir_name . '/' . $theme_dir . '/' . $theme_file;
- $found_stylesheet = true;
- break;
- }
- }
- @closedir($stylish_dir);
- }
- }
- @closedir($theme_subdir);
- $wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
- }
- }
- }
- if ( is_dir( $theme_dir ) )
- @closedir( $theme_dir );
-
- if ( !$themes_dir || !$theme_files )
- return $themes;
-
- sort($theme_files);
-
- foreach ( (array) $theme_files as $theme_file ) {
- if ( !is_readable("$theme_root/$theme_file") ) {
- $wp_broken_themes[$theme_file] = array('Name' => $theme_file, 'Title' => $theme_file, 'Description' => __('File not readable.'));
- continue;
- }
-
- $theme_data = get_theme_data("$theme_root/$theme_file");
-
- $name = $theme_data['Name'];
- $title = $theme_data['Title'];
- $description = wptexturize($theme_data['Description']);
- $version = $theme_data['Version'];
- $author = $theme_data['Author'];
- $template = $theme_data['Template'];
- $stylesheet = dirname($theme_file);
-
- $screenshot = false;
- foreach ( array('png', 'gif', 'jpg', 'jpeg') as $ext ) {
- if (file_exists("$theme_root/$stylesheet/screenshot.$ext")) {
- $screenshot = "screenshot.$ext";
- break;
- }
- }
-
- if ( empty($name) ) {
- $name = dirname($theme_file);
- $title = $name;
- }
-
- if ( empty($template) ) {
- if ( file_exists(dirname("$theme_root/$theme_file/index.php")) )
- $template = dirname($theme_file);
- else
- continue;
- }
-
- $template = trim($template);
-
- if ( !file_exists("$theme_root/$template/index.php") ) {
- $parent_dir = dirname(dirname($theme_file));
- if ( file_exists("$theme_root/$parent_dir/$template/index.php") ) {
- $template = "$parent_dir/$template";
- } else {
- $wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'));
- continue;
- }
- }
-
- $stylesheet_files = array();
- $stylesheet_dir = @ dir("$theme_root/$stylesheet");
- if ( $stylesheet_dir ) {
- while ( ($file = $stylesheet_dir->read()) !== false ) {
- if ( !preg_match('|^\.+$|', $file) && preg_match('|\.css$|', $file) )
- $stylesheet_files[] = "$theme_loc/$stylesheet/$file";
- }
- }
-
- $template_files = array();
- $template_dir = @ dir("$theme_root/$template");
- if ( $template_dir ) {
- while(($file = $template_dir->read()) !== false) {
- if ( !preg_match('|^\.+$|', $file) && preg_match('|\.php$|', $file) )
- $template_files[] = "$theme_loc/$template/$file";
- }
- }
-
- $template_dir = dirname($template_files[0]);
- $stylesheet_dir = dirname($stylesheet_files[0]);
-
- if ( empty($template_dir) )
- $template_dir = '/';
- if ( empty($stylesheet_dir) )
- $stylesheet_dir = '/';
-
- // Check for theme name collision. This occurs if a theme is copied to
- // a new theme directory and the theme header is not updated. Whichever
- // theme is first keeps the name. Subsequent themes get a suffix applied.
- // The Default and Classic themes always trump their pretenders.
- if ( isset($themes[$name]) ) {
- if ( ('WordPress Default' == $name || 'WordPress Classic' == $name) &&
- ('default' == $stylesheet || 'classic' == $stylesheet) ) {
- // If another theme has claimed to be one of our default themes, move
- // them aside.
- $suffix = $themes[$name]['Stylesheet'];
- $new_name = "$name/$suffix";
- $themes[$new_name] = $themes[$name];
- $themes[$new_name]['Name'] = $new_name;
- } else {
- $name = "$name/$stylesheet";
- }
- }
-
- $themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template, 'Stylesheet' => $stylesheet, 'Template Files' => $template_files, 'Stylesheet Files' => $stylesheet_files, 'Template Dir' => $template_dir, 'Stylesheet Dir' => $stylesheet_dir, 'Status' => $theme_data['Status'], 'Screenshot' => $screenshot, 'Tags' => $theme_data['Tags']);
- }
-
- // Resolve theme dependencies.
- $theme_names = array_keys($themes);
-
- foreach ( (array) $theme_names as $theme_name ) {
- $themes[$theme_name]['Parent Theme'] = '';
- if ( $themes[$theme_name]['Stylesheet'] != $themes[$theme_name]['Template'] ) {
- foreach ( (array) $theme_names as $parent_theme_name ) {
- if ( ($themes[$parent_theme_name]['Stylesheet'] == $themes[$parent_theme_name]['Template']) && ($themes[$parent_theme_name]['Template'] == $themes[$theme_name]['Template']) ) {
- $themes[$theme_name]['Parent Theme'] = $themes[$parent_theme_name]['Name'];
- break;
- }
- }
- }
- }
-
- $wp_themes = $themes;
-
- return $themes;
- }
-
- function get_theme($theme) {
- $themes = get_themes();
-
- if ( array_key_exists($theme, $themes) )
- return $themes[$theme];
-
- return NULL;
- }
-
- function get_current_theme() {
- if ( $theme = get_option('current_theme') )
- return $theme;
-
- $themes = get_themes();
- $theme_names = array_keys($themes);
- $current_template = get_option('template');
- $current_stylesheet = get_option('stylesheet');
- $current_theme = 'WordPress Default';
-
- if ( $themes ) {
- foreach ( (array) $theme_names as $theme_name ) {
- if ( $themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
- $themes[$theme_name]['Template'] == $current_template ) {
- $current_theme = $themes[$theme_name]['Name'];
- break;
- }
- }
- }
-
- update_option('current_theme', $current_theme);
-
- return $current_theme;
- }
-
- function get_theme_root() {
- return apply_filters('theme_root', WP_CONTENT_DIR . "/themes");
- }
-
- function get_theme_root_uri() {
- return apply_filters('theme_root_uri', content_url('themes'), get_option('siteurl'));
- }
-
- function get_query_template($type) {
- $template = '';
- $type = preg_replace( '|[^a-z0-9-]+|', '', $type );
- if ( file_exists(TEMPLATEPATH . "/{$type}.php") )
- $template = TEMPLATEPATH . "/{$type}.php";
-
- return apply_filters("{$type}_template", $template);
- }
-
- function get_404_template() {
- return get_query_template('404');
- }
-
- function get_archive_template() {
- return get_query_template('archive');
- }
-
- function get_author_template() {
- return get_query_template('author');
- }
-
- function get_category_template() {
- $template = '';
- if ( file_exists(TEMPLATEPATH . "/category-" . absint( get_query_var('cat') ) . '.php') )
- $template = TEMPLATEPATH . "/category-" . absint( get_query_var('cat') ) . '.php';
- elseif ( file_exists(TEMPLATEPATH . "/category.php") )
- $template = TEMPLATEPATH . "/category.php";
-
- return apply_filters('category_template', $template);
- }
-
- function get_tag_template() {
- $template = '';
- if ( file_exists(TEMPLATEPATH . "/tag-" . get_query_var('tag') . '.php') )
- $template = TEMPLATEPATH . "/tag-" . get_query_var('tag') . '.php';
- elseif ( file_exists(TEMPLATEPATH . "/tag.php") )
- $template = TEMPLATEPATH . "/tag.php";
-
- return apply_filters('tag_template', $template);
- }
-
- function get_taxonomy_template() {
- $template = '';
- $taxonomy = get_query_var('taxonomy');
- $term = get_query_var('term');
- if ( $taxonomy && $term && file_exists(TEMPLATEPATH . "/taxonomy-$taxonomy-$term.php") )
- $template = TEMPLATEPATH . "/taxonomy-$taxonomy-$term.php";
- elseif ( $taxonomy && file_exists(TEMPLATEPATH . "/taxonomy-$taxonomy.php") )
- $template = TEMPLATEPATH . "/taxonomy-$taxonomy.php";
- elseif ( file_exists(TEMPLATEPATH . "/taxonomy.php") )
- $template = TEMPLATEPATH . "/taxonomy.php";
-
- return apply_filters('taxonomy_template', $template);
- }
-
- function get_date_template() {
- return get_query_template('date');
- }
-
- function get_home_template() {
- $template = '';
-
- if ( file_exists(TEMPLATEPATH . "/home.php") )
- $template = TEMPLATEPATH . "/home.php";
- elseif ( file_exists(TEMPLATEPATH . "/index.php") )
- $template = TEMPLATEPATH . "/index.php";
-
- return apply_filters('home_template', $template);
- }
-
- function get_page_template() {
- global $wp_query;
-
- $id = (int) $wp_query->post->ID;
- $template = get_post_meta($id, '_wp_page_template', true);
-
- if ( 'default' == $template )
- $template = '';
-
- if ( !empty($template) && !validate_file($template) && file_exists(TEMPLATEPATH . "/$template") )
- $template = TEMPLATEPATH . "/$template";
- elseif ( file_exists(TEMPLATEPATH . "/page.php") )
- $template = TEMPLATEPATH . "/page.php";
- else
- $template = '';
-
- return apply_filters('page_template', $template);
- }
-
- function get_paged_template() {
- return get_query_template('paged');
- }
-
- function get_search_template() {
- return get_query_template('search');
- }
-
- function get_single_template() {
- return get_query_template('single');
- }
-
- function get_attachment_template() {
- global $posts;
- $type = explode('/', $posts[0]->post_mime_type);
- if ( $template = get_query_template($type[0]) )
- return $template;
- elseif ( $template = get_query_template($type[1]) )
- return $template;
- elseif ( $template = get_query_template("$type[0]_$type[1]") )
- return $template;
- else
- return get_query_template('attachment');
- }
-
- function get_comments_popup_template() {
- if ( file_exists( TEMPLATEPATH . '/comments-popup.php') )
- $template = TEMPLATEPATH . '/comments-popup.php';
- else
- $template = get_theme_root() . '/default/comments-popup.php';
-
- return apply_filters('comments_popup_template', $template);
- }
-
- function load_template($_template_file) {
- global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID;
-
- if ( is_array($wp_query->query_vars) )
- extract($wp_query->query_vars, EXTR_SKIP);
-
- require_once($_template_file);
- }
-
- function locale_stylesheet() {
- $stylesheet = get_locale_stylesheet_uri();
- if ( empty($stylesheet) )
- return;
- echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />';
- }
-
- function preview_theme() {
- if ( ! (isset($_GET['template']) && isset($_GET['preview'])) )
- return;
-
- if ( !current_user_can( 'switch_themes' ) )
- return;
-
- $_GET[template] = preg_replace('|[^a-z0-9_.-]|i', '', $_GET[template]);
-
- if ( validate_file($_GET[template]) )
- return;
-
- add_filter('template', create_function('', "return '$_GET[template]';") );
-
- if ( isset($_GET['stylesheet']) ) {
- $_GET[stylesheet] = preg_replace('|[^a-z0-9_.-]|i', '', $_GET[stylesheet]);
- if ( validate_file($_GET[stylesheet]) )
- return;
- add_filter('stylesheet', create_function('', "return '$_GET[stylesheet]';") );
- }
-
- ob_start( 'preview_theme_ob_filter' );
- }
- add_action('setup_theme', 'preview_theme');
-
- function preview_theme_ob_filter( $content ) {
- return preg_replace_callback( "|(<a.*?href=([\"']))(.*?)([\"'].*?>)|", 'preview_theme_ob_filter_callback', $content );
- }
-
- function preview_theme_ob_filter_callback( $matches ) {
- if (
- ( false !== strpos($matches[3], '/wp-admin/') )
- ||
- ( false !== strpos($matches[3], '://') && 0 !== strpos($matches[3], get_option('home')) )
- ||
- ( false !== strpos($matches[3], '/feed/') )
- ||
- ( false !== strpos($matches[3], '/trackback/') )
- )
- return $matches[1] . "#$matches[2] onclick=$matches[2]return false;" . $matches[4];
-
- $link = add_query_arg( array('preview' => 1, 'template' => $_GET['template'], 'stylesheet' => @$_GET['stylesheet'] ), $matches[3] );
- if ( 0 === strpos($link, 'preview=1') )
- $link = "?$link";
- return $matches[1] . attribute_escape( $link ) . $matches[4];
- }
-
- function switch_theme($template, $stylesheet) {
- update_option('template', $template);
- update_option('stylesheet', $stylesheet);
- delete_option('current_theme');
- $theme = get_current_theme();
- do_action('switch_theme', $theme);
- }
-
- function validate_current_theme() {
- // Don't validate during an install/upgrade.
- if ( defined('WP_INSTALLING') )
- return true;
-
- if ( get_template() != 'default' && !file_exists(get_template_directory() . '/index.php') ) {
- switch_theme('default', 'default');
- return false;
- }
-
- if ( get_stylesheet() != 'default' && !file_exists(get_template_directory() . '/style.css') ) {
- switch_theme('default', 'default');
- return false;
- }
-
- return true;
- }
-
- function get_theme_mod($name, $default = false) {
- $theme = get_current_theme();
-
- $mods = get_option("mods_$theme");
-
- if ( isset($mods[$name]) )
- return apply_filters( "theme_mod_$name", $mods[$name] );
-
- return apply_filters( "theme_mod_$name", sprintf($default, get_template_directory_uri(), get_stylesheet_directory_uri()) );
- }
-
- function set_theme_mod($name, $value) {
- $theme = get_current_theme();
-
- $mods = get_option("mods_$theme");
-
- $mods[$name] = $value;
-
- update_option("mods_$theme", $mods);
- wp_cache_delete("mods_$theme", 'options');
- }
-
- function remove_theme_mod( $name ) {
- $theme = get_current_theme();
-
- $mods = get_option("mods_$theme");
-
- if ( !isset($mods[$name]) )
- return;
-
- unset($mods[$name]);
-
- if ( empty($mods) )
- return remove_theme_mods();
-
- update_option("mods_$theme", $mods);
- wp_cache_delete("mods_$theme", 'options');
- }
-
- function remove_theme_mods() {
- $theme = get_current_theme();
-
- delete_option("mods_$theme");
- }
-
- function get_header_textcolor() {
- return get_theme_mod('header_textcolor', HEADER_TEXTCOLOR);
- }
-
- function header_textcolor() {
- echo get_header_textcolor();
- }
-
- function get_header_image() {
- return get_theme_mod('header_image', HEADER_IMAGE);
- }
-
- function header_image() {
- echo get_header_image();
- }
-
- function add_custom_image_header($header_callback, $admin_header_callback) {
- if ( ! empty($header_callback) )
- add_action('wp_head', $header_callback);
-
- if ( ! is_admin() )
- return;
- require_once(ABSPATH . 'wp-admin/custom-header.php');
- $GLOBALS['custom_image_header'] =& new Custom_Image_Header($admin_header_callback);
- add_action('admin_menu', array(&$GLOBALS['custom_image_header'], 'init'));
- }
-
- ?>
-