]> scripts.mit.edu Git - autoinstalls/wordpress.git/blobdiff - wp-admin/includes/theme.php
WordPress 3.5.1
[autoinstalls/wordpress.git] / wp-admin / includes / theme.php
index bd39dea20f74b1c30b72f20629c7f818c073fa76..1e26c0bac9b90cdfe8ced08497998908f3d1cd85 100644 (file)
 <?php
+/**
+ * WordPress Theme Administration API
+ *
+ * @package WordPress
+ * @subpackage Administration
+ */
 
-function current_theme_info() {
-       $themes = get_themes();
-       $current_theme = get_current_theme();
-       $ct->name = $current_theme;
-       $ct->title = $themes[$current_theme]['Title'];
-       $ct->version = $themes[$current_theme]['Version'];
-       $ct->parent_theme = $themes[$current_theme]['Parent Theme'];
-       $ct->template_dir = $themes[$current_theme]['Template Dir'];
-       $ct->stylesheet_dir = $themes[$current_theme]['Stylesheet Dir'];
-       $ct->template = $themes[$current_theme]['Template'];
-       $ct->stylesheet = $themes[$current_theme]['Stylesheet'];
-       $ct->screenshot = $themes[$current_theme]['Screenshot'];
-       $ct->description = $themes[$current_theme]['Description'];
-       $ct->author = $themes[$current_theme]['Author'];
-       return $ct;
-}
+/**
+ * Remove a theme
+ *
+ * @since 2.8.0
+ *
+ * @param string $stylesheet Stylesheet of the theme to delete
+ * @param string $redirect Redirect to page when complete.
+ * @return mixed
+ */
+function delete_theme($stylesheet, $redirect = '') {
+       global $wp_filesystem;
+
+       if ( empty($stylesheet) )
+               return false;
+
+       ob_start();
+       if ( empty( $redirect ) )
+               $redirect = wp_nonce_url('themes.php?action=delete&stylesheet=' . urlencode( $stylesheet ), 'delete-theme_' . $stylesheet);
+       if ( false === ($credentials = request_filesystem_credentials($redirect)) ) {
+               $data = ob_get_contents();
+               ob_end_clean();
+               if ( ! empty($data) ){
+                       include_once( ABSPATH . 'wp-admin/admin-header.php');
+                       echo $data;
+                       include( ABSPATH . 'wp-admin/admin-footer.php');
+                       exit;
+               }
+               return;
+       }
+
+       if ( ! WP_Filesystem($credentials) ) {
+               request_filesystem_credentials($url, '', true); // Failed to connect, Error and request again
+               $data = ob_get_contents();
+               ob_end_clean();
+               if ( ! empty($data) ) {
+                       include_once( ABSPATH . 'wp-admin/admin-header.php');
+                       echo $data;
+                       include( ABSPATH . 'wp-admin/admin-footer.php');
+                       exit;
+               }
+               return;
+       }
+
+       if ( ! is_object($wp_filesystem) )
+               return new WP_Error('fs_unavailable', __('Could not access filesystem.'));
+
+       if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
+               return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors);
+
+       //Get the base plugin folder
+       $themes_dir = $wp_filesystem->wp_themes_dir();
+       if ( empty($themes_dir) )
+               return new WP_Error('fs_no_themes_dir', __('Unable to locate WordPress theme directory.'));
 
-function get_broken_themes() {
-       global $wp_broken_themes;
+       $themes_dir = trailingslashit( $themes_dir );
+       $theme_dir = trailingslashit($themes_dir . $stylesheet);
+       $deleted = $wp_filesystem->delete($theme_dir, true);
 
-       get_themes();
-       return $wp_broken_themes;
+       if ( ! $deleted )
+               return new WP_Error('could_not_remove_theme', sprintf(__('Could not fully remove the theme %s.'), $stylesheet) );
+
+       // Force refresh of theme update information
+       delete_site_transient('update_themes');
+
+       return true;
 }
 
+/**
+ * Get the Page Templates available in this theme
+ *
+ * @since 1.5.0
+ *
+ * @return array Key is the template name, value is the filename of the template
+ */
 function get_page_templates() {
-       $themes = get_themes();
-       $theme = get_current_theme();
-       $templates = $themes[$theme]['Template Files'];
-       $page_templates = array ();
+       return array_flip( wp_get_theme()->get_page_templates() );
+}
+
+/**
+ * Tidies a filename for url display by the theme editor.
+ *
+ * @since 2.9.0
+ * @access private
+ *
+ * @param string $fullpath Full path to the theme file
+ * @param string $containingfolder Path of the theme parent folder
+ * @return string
+ */
+function _get_template_edit_filename($fullpath, $containingfolder) {
+       return str_replace(dirname(dirname( $containingfolder )) , '', $fullpath);
+}
+
+/**
+ * Check if there is an update for a theme available.
+ *
+ * Will display link, if there is an update available.
+ *
+ * @since 2.7.0
+ *
+ * @param object $theme Theme data object.
+ * @return bool False if no valid info was passed.
+ */
+function theme_update_available( $theme ) {
+       static $themes_update;
+
+       if ( !current_user_can('update_themes' ) )
+               return;
+
+       if ( !isset($themes_update) )
+               $themes_update = get_site_transient('update_themes');
+
+       if ( ! is_a( $theme, 'WP_Theme' ) )
+               return;
+
+       $stylesheet = $theme->get_stylesheet();
+
+       if ( isset($themes_update->response[ $stylesheet ]) ) {
+               $update = $themes_update->response[ $stylesheet ];
+               $theme_name = $theme->display('Name');
+               $details_url = add_query_arg(array('TB_iframe' => 'true', 'width' => 1024, 'height' => 800), $update['url']); //Theme browser inside WP? replace this, Also, theme preview JS will override this on the available list.
+               $update_url = wp_nonce_url('update.php?action=upgrade-theme&amp;theme=' . urlencode($stylesheet), 'upgrade-theme_' . $stylesheet);
+               $update_onclick = 'onclick="if ( confirm(\'' . esc_js( __("Updating this theme will lose any customizations you have made. 'Cancel' to stop, 'OK' to update.") ) . '\') ) {return true;}return false;"';
 
-       if ( is_array( $templates ) ) {
-               foreach ( $templates as $template ) {
-                       $template_data = implode( '', file( ABSPATH.$template ));
+               if ( !is_multisite() ) {
+                       if ( ! current_user_can('update_themes') )
+                               printf( '<p><strong>' . __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%1$s">View version %3$s details</a>.') . '</strong></p>', $theme_name, $details_url, $update['new_version']);
+                       else if ( empty($update['package']) )
+                               printf( '<p><strong>' . __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%1$s">View version %3$s details</a>. <em>Automatic update is unavailable for this theme.</em>') . '</strong></p>', $theme_name, $details_url, $update['new_version']);
+                       else
+                               printf( '<p><strong>' . __('There is a new version of %1$s available. <a href="%2$s" class="thickbox" title="%1$s">View version %3$s details</a> or <a href="%4$s" %5$s>update now</a>.') . '</strong></p>', $theme_name, $details_url, $update['new_version'], $update_url, $update_onclick );
+               }
+       }
+}
+
+/**
+ * Retrieve list of WordPress theme features (aka theme tags)
+ *
+ * @since 3.1.0
+ *
+ * @param bool $api Optional. Whether try to fetch tags from the WP.org API. Defaults to true.
+ * @return array Array of features keyed by category with translations keyed by slug.
+ */
+function get_theme_feature_list( $api = true ) {
+       // Hard-coded list is used if api not accessible.
+       $features = array(
+                       __( 'Colors' ) => array(
+                               'black'   => __( 'Black' ),
+                               'blue'    => __( 'Blue' ),
+                               'brown'   => __( 'Brown' ),
+                               'gray'    => __( 'Gray' ),
+                               'green'   => __( 'Green' ),
+                               'orange'  => __( 'Orange' ),
+                               'pink'    => __( 'Pink' ),
+                               'purple'  => __( 'Purple' ),
+                               'red'     => __( 'Red' ),
+                               'silver'  => __( 'Silver' ),
+                               'tan'     => __( 'Tan' ),
+                               'white'   => __( 'White' ),
+                               'yellow'  => __( 'Yellow' ),
+                               'dark'    => __( 'Dark' ),
+                               'light'   => __( 'Light' ),
+                       ),
+
+               __( 'Columns' ) => array(
+                       'one-column'    => __( 'One Column' ),
+                       'two-columns'   => __( 'Two Columns' ),
+                       'three-columns' => __( 'Three Columns' ),
+                       'four-columns'  => __( 'Four Columns' ),
+                       'left-sidebar'  => __( 'Left Sidebar' ),
+                       'right-sidebar' => __( 'Right Sidebar' ),
+               ),
+
+               __( 'Width' ) => array(
+                       'fixed-width'    => __( 'Fixed Width' ),
+                       'flexible-width' => __( 'Flexible Width' ),
+               ),
+
+               __( 'Features' ) => array(
+                       'blavatar'              => __( 'Blavatar' ),
+                       'buddypress'            => __( 'BuddyPress' ),
+                       'custom-background'     => __( 'Custom Background' ),
+                       'custom-colors'         => __( 'Custom Colors' ),
+                       'custom-header'         => __( 'Custom Header' ),
+                       'custom-menu'           => __( 'Custom Menu' ),
+                       'editor-style'          => __( 'Editor Style' ),
+                       'featured-image-header' => __( 'Featured Image Header' ),
+                       'featured-images'       => __( 'Featured Images' ),
+                       'flexible-header'       => __( 'Flexible Header' ),
+                       'front-page-post-form'  => __( 'Front Page Posting' ),
+                       'full-width-template'   => __( 'Full Width Template' ),
+                       'microformats'          => __( 'Microformats' ),
+                       'post-formats'          => __( 'Post Formats' ),
+                       'rtl-language-support'  => __( 'RTL Language Support' ),
+                       'sticky-post'           => __( 'Sticky Post' ),
+                       'theme-options'         => __( 'Theme Options' ),
+                       'threaded-comments'     => __( 'Threaded Comments' ),
+                       'translation-ready'     => __( 'Translation Ready' ),
+               ),
+
+               __( 'Subject' )  => array(
+                       'holiday'       => __( 'Holiday' ),
+                       'photoblogging' => __( 'Photoblogging' ),
+                       'seasonal'      => __( 'Seasonal' ),
+               )
+       );
+
+       if ( ! $api || ! current_user_can( 'install_themes' ) )
+               return $features;
+
+       if ( !$feature_list = get_site_transient( 'wporg_theme_feature_list' ) )
+               set_site_transient( 'wporg_theme_feature_list', array( ), 10800);
+
+       if ( !$feature_list ) {
+               $feature_list = themes_api( 'feature_list', array( ) );
+               if ( is_wp_error( $feature_list ) )
+                       return $features;
+       }
+
+       if ( !$feature_list )
+               return $features;
+
+       set_site_transient( 'wporg_theme_feature_list', $feature_list, 10800 );
 
-                       preg_match( '|Template Name:(.*)$|mi', $template_data, $name );
-                       preg_match( '|Description:(.*)$|mi', $template_data, $description );
+       $category_translations = array( 'Colors' => __('Colors'), 'Columns' => __('Columns'), 'Width' => __('Width'),
+                                                                  'Features' => __('Features'), 'Subject' => __('Subject') );
 
-                       $name = $name[1];
-                       $description = $description[1];
+       // Loop over the wporg canonical list and apply translations
+       $wporg_features = array();
+       foreach ( (array) $feature_list as $feature_category => $feature_items ) {
+               if ( isset($category_translations[$feature_category]) )
+                       $feature_category = $category_translations[$feature_category];
+               $wporg_features[$feature_category] = array();
 
-                       if ( !empty( $name ) ) {
-                               $page_templates[trim( $name )] = basename( $template );
-                       }
+               foreach ( $feature_items as $feature ) {
+                       if ( isset($features[$feature_category][$feature]) )
+                               $wporg_features[$feature_category][$feature] = $features[$feature_category][$feature];
+                       else
+                               $wporg_features[$feature_category][$feature] = $feature;
                }
        }
 
-       return $page_templates;
+       return $wporg_features;
 }
 
-?>
+/**
+ * Retrieve theme installer pages from WordPress Themes API.
+ *
+ * It is possible for a theme to override the Themes API result with three
+ * filters. Assume this is for themes, which can extend on the Theme Info to
+ * offer more choices. This is very powerful and must be used with care, when
+ * overridding the filters.
+ *
+ * The first filter, 'themes_api_args', is for the args and gives the action as
+ * the second parameter. The hook for 'themes_api_args' must ensure that an
+ * object is returned.
+ *
+ * The second filter, 'themes_api', is the result that would be returned.
+ *
+ * @since 2.8.0
+ *
+ * @param string $action
+ * @param array|object $args Optional. Arguments to serialize for the Theme Info API.
+ * @return mixed
+ */
+function themes_api($action, $args = null) {
+
+       if ( is_array($args) )
+               $args = (object)$args;
+
+       if ( !isset($args->per_page) )
+               $args->per_page = 24;
+
+       $args = apply_filters('themes_api_args', $args, $action); //NOTE: Ensure that an object is returned via this filter.
+       $res = apply_filters('themes_api', false, $action, $args); //NOTE: Allows a theme to completely override the builtin WordPress.org API.
+
+       if ( ! $res ) {
+               $request = wp_remote_post('http://api.wordpress.org/themes/info/1.0/', array( 'body' => array('action' => $action, 'request' => serialize($args))) );
+               if ( is_wp_error($request) ) {
+                       $res = new WP_Error('themes_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="http://wordpress.org/support/">support forums</a>.' ), $request->get_error_message() );
+               } else {
+                       $res = maybe_unserialize( wp_remote_retrieve_body( $request ) );
+                       if ( ! is_object( $res ) && ! is_array( $res ) )
+                               $res = new WP_Error('themes_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server&#8217;s configuration. If you continue to have problems, please try the <a href="http://wordpress.org/support/">support forums</a>.' ), wp_remote_retrieve_body( $request ) );
+               }
+       }
+
+       return apply_filters('themes_api_result', $res, $action, $args);
+}