web/wp-admin/includes/theme.php
changeset 194 32102edaa81b
parent 136 bde1974c263b
child 204 09a1c134465b
--- a/web/wp-admin/includes/theme.php	Thu Sep 16 15:45:36 2010 +0000
+++ b/web/wp-admin/includes/theme.php	Mon Nov 19 18:26:13 2012 +0100
@@ -7,49 +7,24 @@
  */
 
 /**
- * {@internal Missing Short Description}}
- *
- * @since unknown
- *
- * @return unknown
- */
-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'];
-	$ct->tags = $themes[$current_theme]['Tags'];
-	$ct->theme_root = $themes[$current_theme]['Theme Root'];
-	$ct->theme_root_uri = $themes[$current_theme]['Theme Root URI'];
-	return $ct;
-}
-
-/**
  * Remove a theme
  *
  * @since 2.8.0
  *
- * @param string $template Template directory of the theme to delete
+ * @param string $stylesheet Stylesheet of the theme to delete
+ * @param string $redirect Redirect to page when complete.
  * @return mixed
  */
-function delete_theme($template) {
+function delete_theme($stylesheet, $redirect = '') {
 	global $wp_filesystem;
 
-	if ( empty($template) )
+	if ( empty($stylesheet) )
 		return false;
 
 	ob_start();
-	$url = wp_nonce_url('themes.php?action=delete&template=' . $template, 'delete-theme_' . $template);
-	if ( false === ($credentials = request_filesystem_credentials($url)) ) {
+	if ( empty( $redirect ) )
+		$redirect = wp_nonce_url('themes.php?action=delete&stylesheet=' . $stylesheet, 'delete-theme_' . $stylesheet);
+	if ( false === ($credentials = request_filesystem_credentials($redirect)) ) {
 		$data = ob_get_contents();
 		ob_end_clean();
 		if ( ! empty($data) ){
@@ -65,7 +40,7 @@
 		request_filesystem_credentials($url, '', true); // Failed to connect, Error and request again
 		$data = ob_get_contents();
 		ob_end_clean();
-		if( ! empty($data) ){
+		if ( ! empty($data) ) {
 			include_once( ABSPATH . 'wp-admin/admin-header.php');
 			echo $data;
 			include( ABSPATH . 'wp-admin/admin-footer.php');
@@ -74,12 +49,11 @@
 		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);
+		return new WP_Error('fs_error', __('Filesystem error.'), $wp_filesystem->errors);
 
 	//Get the base plugin folder
 	$themes_dir = $wp_filesystem->wp_themes_dir();
@@ -87,79 +61,35 @@
 		return new WP_Error('fs_no_themes_dir', __('Unable to locate WordPress theme directory.'));
 
 	$themes_dir = trailingslashit( $themes_dir );
-
-	$errors = array();
-
-	$theme_dir = trailingslashit($themes_dir . $template);
+	$theme_dir = trailingslashit($themes_dir . $stylesheet);
 	$deleted = $wp_filesystem->delete($theme_dir, true);
 
 	if ( ! $deleted )
-		return new WP_Error('could_not_remove_theme', sprintf(__('Could not fully remove the theme %s'), $template) );
+		return new WP_Error('could_not_remove_theme', sprintf(__('Could not fully remove the theme %s.'), $stylesheet) );
 
 	// Force refresh of theme update information
-	delete_transient('update_themes');
+	delete_site_transient('update_themes');
 
 	return true;
 }
 
 /**
- * {@internal Missing Short Description}}
- *
- * @since unknown
- *
- * @return unknown
- */
-function get_broken_themes() {
-	global $wp_broken_themes;
-
-	get_themes();
-	return $wp_broken_themes;
-}
-
-/**
  * Get the Page Templates available in this theme
  *
- * @since unknown
+ * @since 1.5.0
  *
- * @return array Key is template name, Value is template name
+ * @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();
-
-	if ( is_array( $templates ) ) {
-		$base = array( trailingslashit(get_template_directory()), trailingslashit(get_stylesheet_directory()) );
-
-		foreach ( $templates as $template ) {
-			$basename = str_replace($base, '', $template);
-
-			// don't allow template files in subdirectories
-			if ( false !== strpos($basename, '/') )
-				continue;
-
-			$template_data = implode( '', file( $template ));
-
-			$name = '';
-			if ( preg_match( '|Template Name:(.*)$|mi', $template_data, $name ) )
-				$name = _cleanup_header_comment($name[1]);
-
-			if ( !empty( $name ) ) {
-				$page_templates[trim( $name )] = $basename;
-			}
-		}
-	}
-
-	return $page_templates;
+	return array_flip( wp_get_theme()->get_page_templates() );
 }
 
 /**
  * Tidies a filename for url display by the theme editor.
- * 
+ *
  * @since 2.9.0
- * @private
- * 
+ * @access private
+ *
  * @param string $fullpath Full path to the theme file
  * @param string $containingfolder Path of the theme parent folder
  * @return string
@@ -168,4 +98,198 @@
 	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.
+		$update_url = wp_nonce_url('update.php?action=upgrade-theme&theme=' . urlencode($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 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' ),
+			'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 );
+
+	$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 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);
+}