false, 'sidebarcleanup'=> false, 'content' => false, 'menus' => false, 'options' => false, 'widgets' => false ); /** * Copy of the object for easy reference. * * @since 1.0.0 * @var object */ private static $instance; /** * Set name of the theme default sidebar * * sidebar will be reseted when using importer * * @since 1.0.0 * @var string */ public $theme_default_sidebar_id; /** * Set name of the available theme demos * * @since 1.0.0 * @var array */ public $theme_demos; /** * Constructor * @since 1.0.0 * @version 1.0.0 */ public function __construct() { self::$instance = $this; $this->title = apply_filters( 'unite_demo_importer_name' , esc_html__( 'Theme Demos', 'unite-admin' ) ); $this->demo_files_path = apply_filters( 'unite_demo_importer_files_path', THEME_DOCUMENT_ROOT . '/unite-custom/demo-importer/data' ); $this->demo_files_default = apply_filters( 'unite_demo_importer_files_default', THEME_DOCUMENT_ROOT . '/unite-custom/demo-importer/data/default' ); $this->demo_files_web_path = apply_filters( 'unite_demo_importer_files_path', THEME_WEB_ROOT . '/unite-custom/demo-importer/data' ); /* demo content files */ $this->theme_demo_file = apply_filters( 'unite_demo_importer_demo_file' , $this->demo_files_default . '/xml/demo.xml' ); $this->theme_demo_alt_file = apply_filters( 'unite_demo_importer_demo_alt_file', $this->demo_files_default . '/xml/demo.xml.gz' ); /* demo theme options file */ $this->theme_options_file = apply_filters( 'unite_demo_importer_options_file', $this->demo_files_default . '/theme-options/options.txt' ); /* demo widget file */ $this->theme_widgets_file = apply_filters( 'unite_demo_importer_widgets_file', $this->demo_files_default . '/widgets/widget_data.json' ); $this->already_imported = get_option( 'unite_imported_demo' ); /* run hooks */ $this->hooks(); } /** * Initiate our hooks * @since 1.0.0 * @version 1.0.0 */ public function hooks() { /* necessary scripts */ if ( isset( $_GET['page'] ) && $this->key == $_GET['page'] ) { /* load custom css */ add_action( 'admin_enqueue_scripts', array( $this, 'register_demo_importer_admin_css' ) ); /* load js */ add_action( 'admin_enqueue_scripts', array( $this, 'register_demo_importer_admin_js' ) ); /* meta checker */ add_filter( 'add_post_metadata', array( $this, 'check_previous_meta' ), 10, 5 ); } /* add menu item */ add_action( 'admin_menu' , array( $this , 'add_menu_item' ) ); /* import flag */ add_action( 'unite_demo_importer_import_end', array( $this, 'after_wp_importer' ) ); /* add notices */ if ( isset( $_GET['page'] ) && $this->key == $_GET['page'] ) { add_action( 'admin_notices', array( $this, 'show_notices' ) ); } } /** * Add to menu * @since 1.0.0 * @version 1.0.0 */ public function add_menu_item() { add_submenu_page( 'unite-welcome-page', $this->title, $this->title, 'manage_options', $this->key, array( $this , 'admin_page_display' ) ); } /** * Show Notices * @since 1.0.0 * @version 1.0.0 */ public function show_notices() { /* upload folder is not writeable */ if( !is_writable( ABSPATH . 'wp-content/uploads/' ) ) : echo '
'; echo '

' , esc_html__( 'Your upload folder is not writeable or does not exist! The importer won\'t be able to import properly. You can try to upload an image into your Media Library , so WordPress will create this folder for you or please check the folder permissions or existence for', 'unite-admin' ) , '

'; echo ABSPATH . 'wp-content/uploads/'; echo '
'; endif; /* upload folder is not writeable */ if( !is_writable( ABSPATH . 'wp-content/' ) ) : echo '
'; echo '

' , esc_html__( 'Your wp-content folder is not writeable! The importer won\'t be able to import properly. Please check the folder permissions for', 'unite-admin' ) , '

'; echo ABSPATH . 'wp-content/'; echo '
'; endif; /* upload folder is not writeable */ if( WP_DEBUG ) : echo '
'; echo '

' , esc_html__( 'Please deactivate WP_DEBUG before importing!', 'unite-admin' ) , ' Learn more here: WP DEBUG

'; echo '
'; endif; } public function available_demos() {} public function admin_page_display() { ?> already_imported ? esc_html__( 'Run Demo Importer' , 'unite-admin' ) : esc_html__( 'Run Demo Importer again!' , 'unite-admin' ); ?>

already_imported ) ) : ?>
available_demos() as $demo => $settings ) : ?>


process_imports(); ?>
theme_demo_alt_file : $this->theme_demo_file; /* trash "Hello World" post. */ if( $trash_hello ) { wp_trash_post( 1 ); $this->imported['trashhello'] = true; } /* remove default widgets from default theme sidebar */ if( $sidebar_cleanup ) { $this->delete_default_widgets(); } /* start import of xml file first */ if ( $content && !empty( $demo_content_file ) && is_file( $demo_content_file ) ) { $this->import_demo_content( $demo_content_file ); } /* start import of theme options and sidebars*/ if ( $options && !empty( $this->theme_options_file ) && is_file( $this->theme_options_file ) ) { $this->import_demo_theme_options( $this->theme_options_file ); } /* assign menus */ if( $menus ) { $this->import_demo_navigations(); } /* start import of theme widgets */ if ( $widgets && !empty( $this->theme_widgets_file ) && is_file( $this->theme_widgets_file ) ) { $this->import_demo_widgets( $this->theme_widgets_file ); } do_action( 'unite_demo_importer_import_end' ); } /** * Avoids adding duplicate meta causing arrays in arrays from WP_importer * * @param null $continue * @param unknown $post_id * @param unknown $meta_key * @param unknown $meta_value * @param unknown $unique * * @since 1.0.0 * * @return */ public function check_previous_meta( $continue, $post_id, $meta_key, $meta_value, $unique ) { $old_value = get_metadata( 'post', $post_id, $meta_key ); if ( count( $old_value ) == 1 ) { if ( $old_value[0] === $meta_value ) { return false; } elseif ( $old_value[0] !== $meta_value ) { update_post_meta( $post_id, $meta_key, $meta_value ); return false; } } } /** * Delete default widget * * Gather site's widgets into array with ID base, name, etc. * Used by export and import functions. * * @since 1.0.0 * * @global array $wp_registered_widget_updates * @return array Widget information */ function delete_default_widgets() { $sidebars_widgets = get_option( 'sidebars_widgets' ); if( isset( $sidebars_widgets[$this->theme_default_sidebar_id] ) ) { /* reset sidebar */ $sidebars_widgets[$this->theme_default_sidebar_id] = array(); /* update sidebars */ update_option( 'sidebars_widgets', $sidebars_widgets ); /* set import flag */ $this->imported['sidebarcleanup'] = true; } } /** * Available widgets * * Gather site's widgets into array with ID base, name, etc. * Used by export and import functions. * * @since 1.0.0 * * @global array $wp_registered_widget_updates * @return array Widget information */ function available_widgets() { global $wp_registered_widget_controls; $widget_controls = $wp_registered_widget_controls; $available_widgets = array(); foreach ( $widget_controls as $widget ) { if ( ! empty( $widget['id_base'] ) && ! isset( $available_widgets[$widget['id_base']] ) ) { $available_widgets[$widget['id_base']]['id_base'] = $widget['id_base']; $available_widgets[$widget['id_base']]['name'] = $widget['name']; } } return apply_filters( 'unite_demo_importer_widget_available_widgets', $available_widgets ); } /** * Import Demo Content * * @since 1.0.0 * @version 1.0.0 */ public function import_demo_content( $file ) { if ( !defined('WP_LOAD_IMPORTERS') ) define('WP_LOAD_IMPORTERS', true); require_once ABSPATH . 'wp-admin/includes/import.php'; $importer_error = false; if ( !class_exists( 'WP_Importer' ) ) { $class_wp_importer = ABSPATH . 'wp-admin/includes/class-wp-importer.php'; if ( file_exists( $class_wp_importer ) ){ require_once( $class_wp_importer ); } else { $importer_error = true; } } if ( !class_exists( 'WP_Import' ) ) { $class_wp_import = FW_DOCUMENT_ROOT .'/core/admin/inc/vendor/wordpress-importer.php'; if ( file_exists( $class_wp_import ) ) { require_once( $class_wp_import ); } else { $importer_error = true; } } if( $importer_error ){ die( "Error on import" ); } else { if( !is_file( $file ) ){ echo "Error"; //@todo message } else { $wp_import = new WP_Import(); $wp_import->fetch_attachments = true; ob_start(); $wp_import->import( $file ); ob_end_clean(); $this->imported['content'] = true; } } do_action( 'unite_demo_importer_after_theme_content_import' ); } /** * Import Theme Options * * @since 1.0.0 * @version 1.0.0 */ public function import_demo_theme_options( $file ) { /* does the File exist? */ if ( file_exists( $file ) ) { /* Get file contents and decode */ $data = file_get_contents( $file ); $data = ut_base_decode( $data ); $data = maybe_unserialize( $data ); /* only if there is data */ if ( !empty( $data ) && is_array( $data ) ) { $data = ut_load_theme_option( $data ); if( $data ) { $this->imported['options'] = true; } do_action( 'unite_demo_importer_after_theme_options_import' ); } } else { wp_die( esc_html__( 'Theme options Import file could not be found.', 'unite-admin' ), '', array( 'back_link' => true ) ); } } public function import_demo_navigations() {} /** * Import Widgets * * @since 1.0.0 * @version 1.0.0 */ public function import_demo_widgets( $file ) { /* does the File exist? */ if ( file_exists( $file ) ) { $data = file_get_contents( $file ); $data = json_decode( $data ); /* process widget import */ $this->widget_import_results = $this->import_widgets( $data ); } else { wp_die( esc_html__( 'Theme widgets Import file could not be found.', 'unite-admin' ), '', array( 'back_link' => true ) ); } } /** * Import widget JSON data, based on widget import export * * @global array $wp_registered_sidebars * @param object $data JSON widget data from .json file * @return array Results array * * @since 1.0.0 * @version 1.0.0 */ public function import_widgets( $data ) { global $wp_registered_sidebars; if ( empty( $data ) || ! is_object( $data ) ) { return; } /* hook before import */ $data = apply_filters( 'unite_demo_importer_before_widgets_import', $data ); /* Get all available widgets site supports */ $available_widgets = $this->available_widgets(); /* Get all existing widget instances */ $widget_instances = array(); foreach ( $available_widgets as $widget_data ) { $widget_instances[$widget_data['id_base']] = get_option( 'widget_' . $widget_data['id_base'] ); } /* Begin results */ $results = array(); // Loop import data's sidebars foreach ( $data as $sidebar_id => $widgets ) { // Skip inactive widgets // (should not be in export file) if ( 'wp_inactive_widgets' == $sidebar_id ) { continue; } // Check if sidebar is available on this site // Otherwise add widgets to inactive, and say so if ( isset( $wp_registered_sidebars[$sidebar_id] ) ) { $sidebar_available = true; $use_sidebar_id = $sidebar_id; $sidebar_message_type = 'success'; $sidebar_message = ''; } else { $sidebar_available = false; $use_sidebar_id = 'wp_inactive_widgets'; // add to inactive if sidebar does not exist in theme $sidebar_message_type = 'error'; $sidebar_message = esc_html__( 'Sidebar does not exist in theme (using Inactive)', 'unite-admin' ); } // Result for sidebar $results[$sidebar_id]['name'] = ! empty( $wp_registered_sidebars[$sidebar_id]['name'] ) ? $wp_registered_sidebars[$sidebar_id]['name'] : $sidebar_id; // sidebar name if theme supports it; otherwise ID $results[$sidebar_id]['message_type'] = $sidebar_message_type; $results[$sidebar_id]['message'] = $sidebar_message; $results[$sidebar_id]['widgets'] = array(); // Loop widgets foreach ( $widgets as $widget_instance_id => $widget ) { $fail = false; // Get id_base (remove -# from end) and instance ID number $id_base = preg_replace( '/-[0-9]+$/', '', $widget_instance_id ); $instance_id_number = str_replace( $id_base . '-', '', $widget_instance_id ); // Does site support this widget? if ( ! $fail && ! isset( $available_widgets[$id_base] ) ) { $fail = true; $widget_message_type = 'error'; $widget_message = esc_html__( 'Site does not support widget', 'unite-admin' ); // explain why widget not imported } // Filter to modify settings before import // Do before identical check because changes may make it identical to end result (such as URL replacements) $widget = apply_filters( 'unite_demo_importer_widget_settings_import', $widget ); // Does widget with identical settings already exist in same sidebar? if ( ! $fail && isset( $widget_instances[$id_base] ) ) { // Get existing widgets in this sidebar $sidebars_widgets = get_option( 'sidebars_widgets' ); $sidebar_widgets = isset( $sidebars_widgets[$use_sidebar_id] ) ? $sidebars_widgets[$use_sidebar_id] : array(); // check Inactive if that's where will go // Loop widgets with ID base $single_widget_instances = ! empty( $widget_instances[$id_base] ) ? $widget_instances[$id_base] : array(); foreach ( $single_widget_instances as $check_id => $check_widget ) { // Is widget in same sidebar and has identical settings? if ( in_array( "$id_base-$check_id", $sidebar_widgets ) && (array) $widget == $check_widget ) { $fail = true; $widget_message_type = 'warning'; $widget_message = esc_html__( 'Widget already exists', 'unite-admin' ); // explain why widget not imported break; } } } // No failure if ( ! $fail ) { // Add widget instance $single_widget_instances = get_option( 'widget_' . $id_base ); // all instances for that widget ID base, get fresh every time $single_widget_instances = ! empty( $single_widget_instances ) ? $single_widget_instances : array( '_multiwidget' => 1 ); // start fresh if have to $single_widget_instances[] = (array) $widget; // add it // Get the key it was given end( $single_widget_instances ); $new_instance_id_number = key( $single_widget_instances ); // If key is 0, make it 1 // When 0, an issue can occur where adding a widget causes data from other widget to load, and the widget doesn't stick (reload wipes it) if ( '0' === strval( $new_instance_id_number ) ) { $new_instance_id_number = 1; $single_widget_instances[$new_instance_id_number] = $single_widget_instances[0]; unset( $single_widget_instances[0] ); } // Move _multiwidget to end of array for uniformity if ( isset( $single_widget_instances['_multiwidget'] ) ) { $multiwidget = $single_widget_instances['_multiwidget']; unset( $single_widget_instances['_multiwidget'] ); $single_widget_instances['_multiwidget'] = $multiwidget; } // Update option with new widget update_option( 'widget_' . $id_base, $single_widget_instances ); // Assign widget instance to sidebar $sidebars_widgets = get_option( 'sidebars_widgets' ); // which sidebars have which widgets, get fresh every time $new_instance_id = $id_base . '-' . $new_instance_id_number; // use ID number from new widget instance $sidebars_widgets[$use_sidebar_id][] = $new_instance_id; // add new instance to sidebar update_option( 'sidebars_widgets', $sidebars_widgets ); // save the amended data // Success message if ( $sidebar_available ) { $widget_message_type = 'success'; $widget_message = esc_html__( 'Imported', 'unite-admin' ); } else { $widget_message_type = 'warning'; $widget_message = esc_html__( 'Imported to Inactive', 'unite-admin' ); } } // Result for widget instance $results[$sidebar_id]['widgets'][$widget_instance_id]['name'] = isset( $available_widgets[$id_base]['name'] ) ? $available_widgets[$id_base]['name'] : $id_base; // widget name or ID if name not available (not supported by site) $results[$sidebar_id]['widgets'][$widget_instance_id]['title'] = $widget->title ? $widget->title : esc_html__( 'No Title', 'unite-admin' ); // show "No Title" if widget instance is untitled $results[$sidebar_id]['widgets'][$widget_instance_id]['message_type'] = $widget_message_type; $results[$sidebar_id]['widgets'][$widget_instance_id]['message'] = $widget_message; } } $this->imported['widgets'] = true; /* hook after import */ do_action( 'unite_demo_importer_after_widgets_import' ); /* return results */ return apply_filters( 'unite_demo_importer_widget_results', $results ); } /** * Hook after content import * @since 1.0.0 * @version 1.0.0 */ public function after_wp_importer() { do_action( 'unite_demo_importer_after_content_import' ); esc_html_e( 'Import Done!', 'unite-admin' ); update_option( 'unite_imported_demo', $this->imported ); } public function register_demo_importer_admin_css() { wp_register_style( 'unite-demo-importer', FW_WEB_ROOT . '/core/admin/assets/css/unite-demo-importer.css', false, UT_VERSION ); wp_enqueue_style( 'unite-demo-importer' ); } public function register_demo_importer_admin_js() { wp_register_script( 'unite-demo-importer-js', FW_WEB_ROOT . '/core/admin/assets/js/unite-demo-importer.js', array( 'jquery' ), UT_VERSION ); wp_enqueue_script( 'unite-demo-importer-js' ); } }