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<?php
/*
Plugin Name: Visual Form Builder
Plugin URI: https://wordpress.org/plugins/visual-form-builder/
Description: Dynamically build forms using a simple interface. Forms include jQuery validation, a basic logic-based verification system, and entry tracking.
Version: 3.1
Author: Matthew Muro
Author URI: http://vfbpro.com
Text Domain: visual-form-builder
Domain Path: /languages/
*/
// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
exit;
}
class Visual_Form_Builder {
/**
* The unique identifier of this plugin.
*
* @var [type]
*/
protected $plugin_name = 'visual-form-builder';
/**
* The current version of the plugin.
*
* @var [type]
*/
protected $version = '3.1';
/**
* The current DB version. Used if we need to update the DB later.
*
* @var [type]
*/
protected $db_version = '2.9';
/**
* The main instance of Visual_Form_Builder
*
* @var [type]
*/
private static $instance = null;
/**
* Protected constructor to prevent creating a new instance of Visual_Form_Builder
* via the 'new' operator from outside of this class.
*
* @return void
*/
protected function __construct() {}
/**
* Private clone method to prevent cloning of the instance.
*
* @return void
*/
private function __clone() {}
/**
* Private unserialize method to prevent unserializing of the instance.
*
* @return void
*/
private function __wakeup() {}
/**
* Create a single Visual_Form_Builder instance
*
* Insures that only one instance of Visual_Form_Builder is running.
* Otherwise known as the Singleton class pattern
*
* @since 3.0
* @access public
* @static
*/
public static function instance() {
if ( null === self::$instance ) {
self::$instance = new Visual_Form_Builder();
self::$instance->setup_constants();
self::$instance->includes();
self::$instance->autoload_classes();
// Install DB.
register_activation_hook( __FILE__, array( self::$instance, 'install' ) );
// Update DB.
add_action( 'plugins_loaded', array( self::$instance, 'upgrade_db_check' ) );
// Load i18n.
add_action( 'plugins_loaded', array( self::$instance, 'lang' ) );
$screen_options = new Visual_Form_Builder_Admin_Screen_Options();
add_filter( 'set-screen-option', array( $screen_options, 'save_option' ), 10, 3 );
}
return self::$instance;
}
/**
* Setup constants
*/
private function setup_constants() {
global $wpdb;
// Database version.
if ( ! defined( 'VFB_WP_DB_VERSION' ) ) {
define( 'VFB_WP_DB_VERSION', $this->db_version );
}
// Plugin version.
if ( ! defined( 'VFB_WP_PLUGIN_VERSION' ) ) {
define( 'VFB_WP_PLUGIN_VERSION', $this->version );
}
// Plugin Folder Path.
if ( ! defined( 'VFB_WP_PLUGIN_DIR' ) ) {
define( 'VFB_WP_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
}
// Plugin Folder URL.
if ( ! defined( 'VFB_WP_PLUGIN_URL' ) ) {
define( 'VFB_WP_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
}
// Plugin Root File.
if ( ! defined( 'VFB_WP_PLUGIN_FILE' ) ) {
define( 'VFB_WP_PLUGIN_FILE', __FILE__ );
}
// Form table name.
if ( ! defined( 'VFB_WP_FORMS_TABLE_NAME' ) ) {
define( 'VFB_WP_FORMS_TABLE_NAME', $wpdb->prefix . 'visual_form_builder_forms' );
}
// Field table name.
if ( ! defined( 'VFB_WP_FIELDS_TABLE_NAME' ) ) {
define( 'VFB_WP_FIELDS_TABLE_NAME', $wpdb->prefix . 'visual_form_builder_fields' );
}
// Form meta table name.
if ( ! defined( 'VFB_WP_ENTRIES_TABLE_NAME' ) ) {
define( 'VFB_WP_ENTRIES_TABLE_NAME', $wpdb->prefix . 'visual_form_builder_entries' );
}
}
/**
* Include files
*/
private function includes() {
include_once VFB_WP_PLUGIN_DIR . 'inc/class-install.php';
include_once VFB_WP_PLUGIN_DIR . 'inc/class-uninstall.php';
include_once VFB_WP_PLUGIN_DIR . 'inc/class-i18n.php';
if ( ! class_exists( 'WP_List_Table' ) ) {
include_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
}
include_once VFB_WP_PLUGIN_DIR . 'admin/class-admin-menu.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-admin-notices.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-screen-options.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-media-button.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-dashboard-widgets.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-widget.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-load-css-js.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-entries-detail.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-entries-list.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-forms-list.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-forms-new.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-forms-edit.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-fields.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-page-settings.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-ajax.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-save.php';
include_once VFB_WP_PLUGIN_DIR . 'admin/class-export.php';
include_once VFB_WP_PLUGIN_DIR . 'public/class-form-display.php';
include_once VFB_WP_PLUGIN_DIR . 'public/class-load-css-js.php';
include_once VFB_WP_PLUGIN_DIR . 'public/class-confirmation.php';
include_once VFB_WP_PLUGIN_DIR . 'public/class-email.php';
include_once VFB_WP_PLUGIN_DIR . 'public/class-security.php';
}
/**
* Install DB
*/
public function install() {
$install = new Visual_Form_Builder_Install();
$install->install();
}
/**
* Check database version and run SQL install, if needed
*/
public function upgrade_db_check() {
$current_db_version = VFB_WP_DB_VERSION;
if ( get_option( 'vfb_db_version' ) != $current_db_version ) {
$install = new Visual_Form_Builder_Install();
$install->install_db();
}
}
/**
* Load localization file
*/
public function lang() {
$i18n = new Visual_Form_Builder_I18n();
$i18n->set_domain( $this->plugin_name );
$i18n->load_lang();
}
/**
* Autoload some VFB classes that aren't loaded via other files.
*/
public function autoload_classes() {
$admin_menu = new Visual_Form_Builder_Admin_Menu();
$admin_ajax = new Visual_Form_Builder_Admin_AJAX();
$admin_save = new Visual_Form_Builder_Admin_Save();
$admin_notices = new Visual_Form_Builder_Admin_Notices();
$dashboard_widgets = new Visual_Form_Builder_Dashboard_Widgets();
$export = new Visual_Form_Builder_Export();
$media_button = new Visual_Form_Builder_Media_Button();
Visual_Form_Builder_Form_Display::instance();
}
}
/**
* The main function responsible for returning Visual Form Builder forms and functionality.
*
* @return [type] [description]
*/
function visual_form_builder_plugin_instance() {
return Visual_Form_Builder::instance();
}
visual_form_builder_plugin_instance();
