cognitoforms-wordpress/cognito-forms.php

221 lines
7.1 KiB
PHP

<?php
/**
* Cognito Forms WordPress Plugin.
*
* The Cognito Forms WordPress Plugin is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* The Cognito Forms WordPress Plugin is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* Plugin Name: Cognito Forms
* Plugin URI: http://wordpress.org/plugins/cognito-forms/
* Description: Cognito Forms is a free online form builder that integrates seamlessly with WordPress. Create contact forms, registrations forms, surveys, and more!
* Version: 2.0.0
* Author: Cognito Apps
* Author URI: https://www.cognitoforms.com
* License: GPL v2 or later
* License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/
// Exit if accessed directly.
if ( !defined( 'ABSPATH' ) ) {
exit;
}
/**
* The Plugin
*/
if ( !class_exists( 'CognitoFormsPlugin' ) ) {
require_once dirname( __FILE__ ) . '/api.php';
class CognitoFormsPlugin {
// Initialization actions
private static $actions = array(
'admin_init',
'admin_menu',
'init',
'wp_ajax_cognito_tinymce_dialog'
);
// Supported shortcodes
private static $shortcodes = array(
'CognitoForms' => 'render_cognito_shortcode',
'cognitoforms' => 'render_cognito_shortcode'
);
// Registers plug-in actions
private function add_actions( $actions ) {
foreach ( $actions as $action )
add_action( $action, array( $this, $action ) );
}
// Registers shortcodes
private function add_shortcodes( $shortcodes ) {
foreach ( $shortcodes as $tag => $func )
add_shortcode( $tag, array( $this, $func ) );
}
// Checks if an option exists in the database
private function option_exists( $option_name, $site_wide = false ) {
global $wpdb;
return $wpdb->query( $wpdb->prepare( "SELECT * FROM ". ($site_wide ? $wpdb->base_prefix : $wpdb->prefix). "options WHERE option_name ='%s' LIMIT 1", $option_name ) );
}
// Removes a list of options if they exist
private function remove_options( $options ) {
foreach ($options as $option) {
if ( $this->option_exists( $option ) ) {
delete_option( $option );
}
}
}
// Entrypoint
public function __construct() {
$this->add_actions( self::$actions );
$this->add_shortcodes( self::$shortcodes );
}
public function init() {
// Initialize Gutenberg Block
$this->block_init();
// Add support for oEmbed
$this->oembed_init();
}
// Initialize plug-in
public function admin_init() {
if( !current_user_can( 'edit_posts' ) && !current_user_can( 'edit_pages' ) )
return;
add_option( 'cognito_public_key' );
// Remove old API keys from the database
$this->remove_options( array(
'cognito_api_key',
'cognito_admin_key',
'cognito_organization'
) );
// If the flag to delete options was passed in, delete them
if ( isset( $_GET['cog_clear'] ) && $_GET['cog_clear'] == '1' ) {
delete_option( 'cognito_public_key' );
}
// Initialize TinyMCE Plugin
$this->tinymce_init();
}
// Initialize block
public function block_init() {
$asset_file = include( plugin_dir_path( __FILE__ ) . 'dist/index.asset.php' );
// Register global block styles
wp_register_style(
'cognito-block-global-css', // Handle.
plugins_url( 'dist/style-main.css', __FILE__ ), // Public CSS
is_admin() ? array( 'wp-editor' ) : null, // Dependency to include the CSS after it.
$asset_file['version']
);
// Register block editor script for backend
wp_register_script(
'cognito-block-editor-js',
plugins_url( 'dist/index.js', __FILE__ ),
$asset_file['dependencies'],
$asset_file['version']
);
wp_add_inline_script(
'cognito-block-editor-js',
'window.COGNITO_BASEURL = "' . CognitoAPI::$formsBase . '";',
'before'
);
// Register block editor styles for backend.
wp_register_style(
'cognito-block-editor-css', // Handle.
plugins_url( 'dist/main.css', __FILE__ ), // Block editor CSS.
array( 'wp-edit-blocks' ), // Dependency to include the CSS after it.
$asset_file['version']
);
register_block_type(
'cognito-forms/cognito-embed', array(
// Enqueue global block styles on both frontend and backend
'style' => 'cognito-block-global-css',
// Enqueue block js in the editor only
'editor_script' => 'cognito-block-editor-js',
// Enqueue editor block styles in the editor only
'editor_style' => 'cognito-block-editor-css'
)
);
}
// Initialize classic editor (TinyMCE)
public function tinymce_init() {
if ( get_user_option( 'rich_editing' ) == 'true' ) {
add_filter( 'mce_buttons', array( $this, 'tinymce_buttons' ) );
add_filter( 'mce_external_plugins', array( $this, 'tinymce_external_plugins' ) );
}
}
// Set up TinyMCE buttons
public function tinymce_buttons( $buttons ) {
array_push($buttons, '|', 'cognito');
return $buttons;
}
// Set up TinyMCE plug-in
public function tinymce_external_plugins( $plugin_array ) {
$plugin_array['cognito_mce_plugin'] = plugins_url( '/tinymce/plugin.js', __FILE__ );
return $plugin_array;
}
public function wp_ajax_cognito_tinymce_dialog() {
include 'tinymce/dialog.php';
wp_die();
}
// Initialize administration menu (left sidebar)
public function admin_menu() {
add_menu_page( 'Cognito Forms', 'Cognito Forms', 'manage_options', 'Cognito', array( $this, 'main_page' ), "data:image/svg+xml;base64," . base64_encode( file_get_contents( plugin_dir_path( __FILE__ ) . 'cogicon.svg' ) ) );
add_submenu_page( 'Cognito', 'Cognito Forms', 'View Forms', 'manage_options', 'Cognito', array( $this, 'main_page' ) );
add_submenu_page( 'Cognito', 'Create Form', 'New Form', 'manage_options', 'CognitoCreateForm', array( $this, 'main_page' ) );
add_submenu_page( 'Cognito', 'Templates', 'Templates', 'manage_options', 'CognitoTemplates', array( $this, 'main_page' ) );
}
// Called when a 'CognitoForms' shortcode is encountered, renders form embed script
public function render_cognito_shortcode( $atts, $content = null, $code = '' ) {
// Default to key setting, unless overridden in shortcode (allows for modules from multiple orgs)
$key = empty( $atts['key'] ) ? get_option( 'cognito_public_key' ) : $atts['key'];
if ( empty( $atts['id'] ) || empty( $key ) ) return '';
return CognitoAPI::get_form_embed_script( $key, $atts['id'] );
}
// Entrypoint for Cognito Forms access
public function main_page() {
include 'templates/main.php';
}
// Add support for oEmbed using the generic Gutenberg Embed block
public function oembed_init() {
wp_oembed_add_provider( '#https?://(www\.)?cognitoforms\.com/.*#i', 'https://www.cognitoforms.com/f/oembed/', true );
}
}
new CognitoFormsPlugin;
}