416 lines
12 KiB
PHP
416 lines
12 KiB
PHP
<?php
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/*
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* Theme/template/stylesheet functions.
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*/
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function get_stylesheet() {
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return apply_filters('stylesheet', get_option('stylesheet'));
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}
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function get_stylesheet_directory() {
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$stylesheet = get_stylesheet();
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$stylesheet_dir = get_theme_root() . "/$stylesheet";
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return apply_filters('stylesheet_directory', $stylesheet_dir, $stylesheet);
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}
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function get_stylesheet_directory_uri() {
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$stylesheet = rawurlencode( get_stylesheet() );
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$stylesheet_dir_uri = get_theme_root_uri() . "/$stylesheet";
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return apply_filters('stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet);
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}
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function get_stylesheet_uri() {
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$stylesheet_dir_uri = get_stylesheet_directory_uri();
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$stylesheet_uri = $stylesheet_dir_uri . "/style.css";
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return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
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}
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function get_locale_stylesheet_uri() {
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global $wp_locale;
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$stylesheet_dir_uri = get_stylesheet_directory_uri();
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$dir = get_stylesheet_directory();
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$locale = get_locale();
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if ( file_exists("$dir/$locale.css") )
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$stylesheet_uri = "$stylesheet_dir_uri/$locale.css";
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else if ( !empty($wp_locale->text_direction) && file_exists("$dir/{$wp_locale->text_direction}.css") )
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$stylesheet_uri = "$stylesheet_dir_uri/{$wp_locale->text_direction}.css";
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else
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$stylesheet_uri = '';
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return apply_filters('locale_stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
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}
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function get_template() {
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return apply_filters('template', get_option('template'));
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}
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function get_template_directory() {
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$template = get_template();
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$template_dir = get_theme_root() . "/$template";
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return apply_filters('template_directory', $template_dir, $template);
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}
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function get_template_directory_uri() {
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$template = get_template();
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$template_dir_uri = get_theme_root_uri() . "/$template";
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return apply_filters('template_directory_uri', $template_dir_uri, $template);
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}
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function get_theme_data($theme_file) {
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$theme_data = implode('', file($theme_file));
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preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name);
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preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri);
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preg_match("|Description:(.*)|i", $theme_data, $description);
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preg_match("|Author:(.*)|i", $theme_data, $author_name);
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preg_match("|Author URI:(.*)|i", $theme_data, $author_uri);
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preg_match("|Template:(.*)|i", $theme_data, $template);
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if ( preg_match("|Version:(.*)|i", $theme_data, $version) )
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$version = trim($version[1]);
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else
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$version ='';
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if ( preg_match("|Status:(.*)|i", $theme_data, $status) )
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$status = trim($status[1]);
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else
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$status = 'publish';
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$description = wptexturize(trim($description[1]));
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$name = $theme_name[1];
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$name = trim($name);
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$theme = $name;
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if ( '' == $author_uri[1] ) {
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$author = trim($author_name[1]);
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} else {
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$author = '<a href="' . trim($author_uri[1]) . '" title="' . __('Visit author homepage') . '">' . trim($author_name[1]) . '</a>';
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}
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return array('Name' => $name, 'Title' => $theme, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1], 'Status' => $status);
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}
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function get_themes() {
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global $wp_themes;
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global $wp_broken_themes;
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if ( isset($wp_themes) )
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return $wp_themes;
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$themes = array();
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$wp_broken_themes = array();
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$theme_root = get_theme_root();
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$theme_loc = str_replace(ABSPATH, '', $theme_root);
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// Files in wp-content/themes directory
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$themes_dir = @ dir($theme_root);
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if ( $themes_dir ) {
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while(($theme_dir = $themes_dir->read()) !== false) {
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if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) {
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if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' ) {
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continue;
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}
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$stylish_dir = @ dir($theme_root . '/' . $theme_dir);
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$found_stylesheet = false;
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while (($theme_file = $stylish_dir->read()) !== false) {
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if ( $theme_file == 'style.css' ) {
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$theme_files[] = $theme_dir . '/' . $theme_file;
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$found_stylesheet = true;
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break;
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}
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}
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if ( !$found_stylesheet ) {
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$wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
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}
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}
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}
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}
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if ( !$themes_dir || !$theme_files ) {
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return $themes;
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}
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sort($theme_files);
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foreach($theme_files as $theme_file) {
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if ( ! is_readable("$theme_root/$theme_file") ) {
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$wp_broken_themes[$theme_file] = array('Name' => $theme_file, 'Title' => $theme_file, 'Description' => __('File not readable.'));
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continue;
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}
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$theme_data = get_theme_data("$theme_root/$theme_file");
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$name = $theme_data['Name'];
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$title = $theme_data['Title'];
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$description = wptexturize($theme_data['Description']);
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$version = $theme_data['Version'];
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$author = $theme_data['Author'];
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$template = $theme_data['Template'];
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$stylesheet = dirname($theme_file);
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foreach (array('png', 'gif', 'jpg', 'jpeg') as $ext) {
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if (file_exists("$theme_root/$stylesheet/screenshot.$ext")) {
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$screenshot = "screenshot.$ext";
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break;
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}
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}
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if ( empty($name) ) {
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$name = dirname($theme_file);
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$title = $name;
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}
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if ( empty($template) ) {
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if ( file_exists(dirname("$theme_root/$theme_file/index.php")) ) {
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$template = dirname($theme_file);
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} else {
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continue;
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}
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}
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$template = trim($template);
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if ( !file_exists("$theme_root/$template/index.php") ) {
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$wp_broken_themes[$name] = array('Name' => $name, 'Title' => $title, 'Description' => __('Template is missing.'));
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continue;
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}
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$stylesheet_files = array();
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$stylesheet_dir = @ dir("$theme_root/$stylesheet");
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if ( $stylesheet_dir ) {
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while(($file = $stylesheet_dir->read()) !== false) {
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if ( !preg_match('|^\.+$|', $file) && preg_match('|\.css$|', $file) )
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$stylesheet_files[] = "$theme_loc/$stylesheet/$file";
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}
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}
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$template_files = array();
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$template_dir = @ dir("$theme_root/$template");
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if ( $template_dir ) {
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while(($file = $template_dir->read()) !== false) {
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if ( !preg_match('|^\.+$|', $file) && preg_match('|\.php$|', $file) )
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$template_files[] = "$theme_loc/$template/$file";
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}
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}
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$template_dir = dirname($template_files[0]);
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$stylesheet_dir = dirname($stylesheet_files[0]);
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if ( empty($template_dir) )
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$template_dir = '/';
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if ( empty($stylesheet_dir) )
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$stylesheet_dir = '/';
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// Check for theme name collision. This occurs if a theme is copied to
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// a new theme directory and the theme header is not updated. Whichever
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// theme is first keeps the name. Subsequent themes get a suffix applied.
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// The Default and Classic themes always trump their pretenders.
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if ( isset($themes[$name]) ) {
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if ( ('WordPress Default' == $name || 'WordPress Classic' == $name) &&
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('default' == $stylesheet || 'classic' == $stylesheet) ) {
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// If another theme has claimed to be one of our default themes, move
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// them aside.
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$suffix = $themes[$name]['Stylesheet'];
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$new_name = "$name/$suffix";
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$themes[$new_name] = $themes[$name];
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$themes[$new_name]['Name'] = $new_name;
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} else {
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$name = "$name/$stylesheet";
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}
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}
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$themes[$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' => $screenshot);
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}
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// Resolve theme dependencies.
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$theme_names = array_keys($themes);
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foreach ($theme_names as $theme_name) {
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$themes[$theme_name]['Parent Theme'] = '';
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if ( $themes[$theme_name]['Stylesheet'] != $themes[$theme_name]['Template'] ) {
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foreach ($theme_names as $parent_theme_name) {
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if ( ($themes[$parent_theme_name]['Stylesheet'] == $themes[$parent_theme_name]['Template']) && ($themes[$parent_theme_name]['Template'] == $themes[$theme_name]['Template']) ) {
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$themes[$theme_name]['Parent Theme'] = $themes[$parent_theme_name]['Name'];
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break;
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}
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}
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}
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}
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$wp_themes = $themes;
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return $themes;
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}
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function get_theme($theme) {
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$themes = get_themes();
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if ( array_key_exists($theme, $themes) )
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return $themes[$theme];
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return NULL;
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}
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function get_current_theme() {
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$themes = get_themes();
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$theme_names = array_keys($themes);
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$current_template = get_option('template');
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$current_stylesheet = get_option('stylesheet');
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$current_theme = 'WordPress Default';
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if ( $themes ) {
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foreach ($theme_names as $theme_name) {
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if ( $themes[$theme_name]['Stylesheet'] == $current_stylesheet &&
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$themes[$theme_name]['Template'] == $current_template ) {
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$current_theme = $themes[$theme_name]['Name'];
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break;
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}
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}
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}
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return $current_theme;
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}
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function get_theme_root() {
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return apply_filters('theme_root', ABSPATH . "wp-content/themes");
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}
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function get_theme_root_uri() {
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return apply_filters('theme_root_uri', get_option('siteurl') . "/wp-content/themes", get_option('siteurl'));
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}
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function get_query_template($type) {
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$template = '';
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if ( file_exists(TEMPLATEPATH . "/{$type}.php") )
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$template = TEMPLATEPATH . "/{$type}.php";
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return apply_filters("{$type}_template", $template);
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}
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function get_404_template() {
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return get_query_template('404');
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}
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function get_archive_template() {
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return get_query_template('archive');
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}
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function get_author_template() {
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return get_query_template('author');
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}
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function get_category_template() {
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$template = '';
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if ( file_exists(TEMPLATEPATH . "/category-" . get_query_var('cat') . '.php') )
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$template = TEMPLATEPATH . "/category-" . get_query_var('cat') . '.php';
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else if ( file_exists(TEMPLATEPATH . "/category.php") )
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$template = TEMPLATEPATH . "/category.php";
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return apply_filters('category_template', $template);
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}
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function get_date_template() {
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return get_query_template('date');
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}
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function get_home_template() {
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$template = '';
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if ( file_exists(TEMPLATEPATH . "/home.php") )
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$template = TEMPLATEPATH . "/home.php";
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else if ( file_exists(TEMPLATEPATH . "/index.php") )
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$template = TEMPLATEPATH . "/index.php";
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return apply_filters('home_template', $template);
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}
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function get_page_template() {
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global $wp_query;
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$id = $wp_query->post->ID;
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$template = get_post_meta($id, '_wp_page_template', true);
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if ( 'default' == $template )
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$template = '';
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if ( ! empty($template) && file_exists(TEMPLATEPATH . "/$template") )
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$template = TEMPLATEPATH . "/$template";
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else if ( file_exists(TEMPLATEPATH . "/page.php") )
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$template = TEMPLATEPATH . "/page.php";
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else
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$template = '';
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return apply_filters('page_template', $template);
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}
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function get_paged_template() {
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return get_query_template('paged');
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}
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function get_search_template() {
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return get_query_template('search');
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}
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function get_single_template() {
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return get_query_template('single');
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}
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function get_attachment_template() {
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global $posts;
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$type = explode('/', $posts[0]->post_mime_type);
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if ( $template = get_query_template($type[0]) )
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return $template;
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elseif ( $template = get_query_template($type[1]) )
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return $template;
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elseif ( $template = get_query_template("$type[0]_$type[1]") )
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return $template;
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else
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return get_query_template('attachment');
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}
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function get_comments_popup_template() {
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if ( file_exists( TEMPLATEPATH . '/comments-popup.php') )
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$template = TEMPLATEPATH . '/comments-popup.php';
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else
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$template = get_theme_root() . '/default/comments-popup.php';
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return apply_filters('comments_popup_template', $template);
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}
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function load_template($file) {
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global $posts, $post, $wp_did_header, $wp_did_template_redirect, $wp_query,
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$wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment;
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extract($wp_query->query_vars);
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require_once($file);
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}
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function locale_stylesheet() {
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$stylesheet = get_locale_stylesheet_uri();
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if ( empty($stylesheet) )
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return;
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echo '<link rel="stylesheet" href="' . $stylesheet . '" type="text/css" media="screen" />';
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}
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function validate_current_theme() {
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// Don't validate during an install/upgrade.
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if ( defined('WP_INSTALLING') )
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return true;
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if ((get_template() != 'default') && (!file_exists(get_template_directory() . '/index.php'))) {
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update_option('template', 'default');
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update_option('stylesheet', 'default');
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do_action('switch_theme', 'Default');
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return false;
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}
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if ((get_stylesheet() != 'default') && (!file_exists(get_template_directory() . '/style.css'))) {
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update_option('template', 'default');
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update_option('stylesheet', 'default');
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do_action('switch_theme', 'Default');
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return false;
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}
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return true;
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}
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?>
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