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