+/**
+ * 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) )
+ $themes_update = get_site_transient('update_themes');
+
+ if ( is_object($theme) && isset($theme->stylesheet) )
+ $stylesheet = $theme->stylesheet;
+ elseif ( is_array($theme) && isset($theme['Stylesheet']) )
+ $stylesheet = $theme['Stylesheet'];
+ else
+ return false; //No valid info passed.
+
+ if ( isset($themes_update->response[ $stylesheet ]) ) {
+ $update = $themes_update->response[ $stylesheet ];
+ $theme_name = is_object($theme) ? $theme->name : (is_array($theme) ? $theme['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.
+ $update_url = wp_nonce_url('update.php?action=upgrade-theme&theme=' . urlencode($stylesheet), 'upgrade-theme_' . $stylesheet);
+ $update_onclick = 'onclick="if ( confirm(\'' . esc_js( __("Updating this theme will lose any customizations you have made. 'Cancel' to stop, 'OK' to update.") ) . '\') ) {return true;}return false;"';
+
+ if ( !is_multisite() ) {
+ if ( ! current_user_can('update_themes') )
+ printf( '<p><strong>' . __('There is a new version of %1$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 automatically</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
+ *
+ * @return array Array of features keyed by category with translations keyed by slug.
+ */
+function get_theme_feature_list() {
+ // 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' ),
+ '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 ( !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 );
+
+ $category_translations = array( 'Colors' => __('Colors'), 'Columns' => __('Columns'), 'Width' => __('Width'),
+ 'Features' => __('Features'), 'Subject' => __('Subject') );
+
+ // 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();
+
+ 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 $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 HTTP Error occurred during the API request.'), $request->get_error_message() );
+ } else {
+ $res = unserialize( wp_remote_retrieve_body( $request ) );
+ if ( ! $res )
+ $res = new WP_Error('themes_api_failed', __('An unknown error occurred.'), wp_remote_retrieve_body( $request ) );
+ }
+ }
+ //var_dump(array($args, $res));
+ return apply_filters('themes_api_result', $res, $action, $args);
+}
+