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class-gf-conversational-forms.php
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class-gf-conversational-forms.php
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<?php
namespace Gravity_Forms\Gravity_Forms_Conversational_Forms;
use \GFCommon;
use \GFForms;
use Gravity_Forms\Gravity_Forms\GF_Service_Container;
use Gravity_Forms\Gravity_Forms\Settings\Fields;
use Gravity_Forms\Gravity_Forms_Conversational_Forms\Util\Colors;
use Gravity_Forms\Gravity_Forms_Conversational_Forms\Style_Layers\Framework\GF_Style_Layer;
use Gravity_Forms\Gravity_Forms_Conversational_Forms\Style_Layers\GFCF_Style_Layers_Provider;
use Gravity_Forms\Gravity_Forms_Conversational_Forms\Style_Layers\Layers\GF_Conversational_Forms_Fluent_Style_Handler;
use Gravity_Forms\Gravity_Forms_Conversational_Forms\Style_Layers\Layers\Views\Form_View;
use Gravity_Forms\Gravity_Forms_Conversational_Forms\Style_Layers\Layers\Views\Conversational_Field_View;
use \GFFormsModel;
\GFForms::include_addon_framework();
/**
* Main AddOn class.
*
* @since 1.0
*/
class GF_Conversational_Forms extends \GFAddOn {
const QUERY_VAR = 'gf_conversational';
protected $_version = GF_CF_VERSION;
protected $_min_gravityforms_version = GF_CF_MIN_GF_VERSION;
protected $_min_compatible_gravityforms_version = GF_CF_MIN_COMPAT_GF_VERSION;
protected $_slug = 'gravityformsconversationalforms';
protected $_path = 'gravityformsconversationalforms/conversationalforms.php';
protected $_full_path = __FILE__;
protected $_title = 'Gravity Forms Conversational Forms Add-On';
protected $_short_title = 'Conversational Forms';
protected $_enable_rg_autoupgrade = true;
protected $_enable_theme_layer = true;
protected $_slug_verified = false;
// Members plugin integration
protected $_capabilities = array( 'gravityforms_conversationalforms', 'gravityforms_conversationalforms_uninstall' );
// Permissions
protected $_capabilities_settings_page = 'gravityforms_conversationalforms';
protected $_capabilities_form_settings = 'gravityforms_conversationalforms';
protected $_capabilities_uninstall = 'gravityforms_conversationalforms_uninstall';
/**
* @var object|null $_instance If available, contains an instance of this class.
*/
private static $_instance = null;
private static $_compat_check = null;
/**
* @var GF_Service_Container
*/
protected $container;
/**
* The query variable used when permalinks are set to plain.
*/
public $query_var = self::QUERY_VAR;
/**
* Returns an instance of this class, and stores it in the $_instance property.
*
* @return GF_Conversational_Forms $_instance An instance of this class.
*/
public static function get_instance() {
if ( self::$_instance == null ) {
self::$_instance = new self();
}
return self::$_instance;
}
// # INITIALIZATION METHODS --------------------------------------------------------------------------------------------
/**
* Memoize result of compat check to avoid running multiple times.
*
* @param string $min_gravityforms_version
*
* @return bool
*/
public function is_gravityforms_supported( $min_gravityforms_version = '' ) {
if ( ! is_null( self::$_compat_check ) ) {
return self::$_compat_check;
}
self::$_compat_check = parent::is_gravityforms_supported( $min_gravityforms_version );
return self::$_compat_check;
}
/**
* Require any files and initialize any methods required before init.
*
* @since 1.0
*
* @return mixed|void
*/
public function pre_init() {
parent::pre_init();
if ( ! $this->is_gravityforms_supported() ) {
return;
}
// Custom Post Type
add_action( 'init', array( $this, 'register_conversational_forms_post_type' ), 100 );
add_filter( 'post_type_link', array( $this, 'conversational_forms_post_type_permalinks' ), 10, 3 );
add_filter( 'wp_unique_post_slug', array( $this, 'prevent_slug_duplicates' ), 10, 6 );
add_filter( 'single_template', array( $this, 'conversational_form_template' ) );
// Layers
require_once( dirname( __FILE__ ) . '/includes/theme-layers/layers/views/class-conversational-field-markup.php' );
require_once( dirname( __FILE__ ) . '/includes/theme-layers/layers/views/class-form-view.php' );
// Settings Framework
require_once( \GFCommon::get_base_path() . '/includes/settings/class-fields.php' );
// Fields
require_once( dirname( __FILE__ ) . '/includes/settings/class-permalink.php' );
require_once( dirname( __FILE__ ) . '/includes/settings/class-file-upload.php' );
require_once( dirname( __FILE__ ) . '/includes/settings/class-range.php' );
require_once( dirname( __FILE__ ) . '/includes/settings/class-swatch.php' );
Fields::register( 'permalink', 'Gravity_Forms\Gravity_Forms_Conversational_Forms\Settings\Permalink' );
Fields::register( 'file_upload', 'Gravity_Forms\Gravity_Forms_Conversational_Forms\Settings\FileUpload' );
Fields::register( 'range', 'Gravity_Forms\Gravity_Forms_Conversational_Forms\Settings\Range' );
Fields::register( 'swatch', 'Gravity_Forms\Gravity_Forms_Conversational_Forms\Settings\Swatch' );
}
/**
* Initialize the hooks and filters needed for Front-End display.
*
* @since 1.0
*
* @return mixed|void
*/
public function init_frontend() {
parent::init_frontend();
if ( ! $this->is_gravityforms_supported() ) {
return;
}
add_filter( 'gform_target_page', array( $this, 'filter_target_page' ), 10, 2 );
add_filter( 'gform_pre_render' , array( $this, 'customize_form_settings' ), 10, 1 );
add_action( 'wp_head', function() {
if ( has_action( 'wp_head', '_block_template_viewport_meta_tag' ) !== false ) {
return;
}
echo '<meta name="viewport" content="width=device-width, initial-scale=1.0">' . "\n";
}, 0 );
add_filter( 'gform_confirmation_anchor', '__return_false' );
add_filter( 'gform_submit_button', function( $button, $form ) {
if ( is_admin() || ! is_conversational_form( $form ) ) {
return $button;
}
/* Translators: ⏎: Symbol for enter key on keyboard. */
$field_nav_text = esc_html__( 'Press Enter', 'gravityformsconversationalforms' );
return '<div class="gform-conversational__field-form-footer-submit">' . $button . '<span class="gform-conversational__field-nav-helper-text">' . $field_nav_text . '<span class="gform-conversational__field-nav-helper-icon gform-orbital-icon gform-orbital-icon--arrow-back" aria-hidden="true"></span></span></div>';
}, 999, 2 );
}
/**
* Initialize the hooks and filters needed for admin display.
*
* @since 1.0
*
* @return mixed|void
*/
public function init_admin() {
parent::init_admin();
if ( ! $this->is_gravityforms_supported() ) {
return;
}
add_filter( 'gform_form_actions', array( $this, 'filter_form_actions' ), 10, 2 );
add_filter( 'gform_forms_post_import', array( $this, 'create_post_after_import' ), 10, 1 );
}
/**
* Initialize the hooks and filters needed for admin and front end.
*
* @since 1.0
*
* @return mixed|void
*/
public function init(){
parent::init();
if ( ! $this->is_gravityforms_supported() ) {
return;
}
add_action( 'wp_ajax_nopriv_gfcf_validate_field', array( $this, 'validate_field' ) );
add_action( 'wp_ajax_gfcf_validate_field', array( $this, 'validate_field' ) );
add_action( 'admin_enqueue_scripts', array( $this, 'localize_admin_scripts' ) );
add_action( 'gform_enqueue_scripts', array( $this, 'localize_frontend_scripts' ), 1000, 2 );
add_action( 'gform_post_form_duplicated', array( $this, 'create_post_for_duplicate' ), 10, 2 );
add_filter( 'gform_form_theme_slug', array( $this, 'customize_form_theme_slug' ), 10, 2 );
add_filter( 'wp_unique_post_slug_is_bad_flat_slug', array( $this, 'is_bad_flat_slug' ), 10, 4 );
add_filter( 'wp_unique_post_slug_is_bad_hierarchical_slug', array( $this, 'is_bad_hierarchical_slug' ), 10, 5 );
if ( $this->is_plain_permalinks() ) {
add_filter( 'query_vars', array( $this, 'add_slug_query_var' ) );
}
add_action( 'parse_request', array( $this, 'parse_request' ), 10, 1 );
}
/**
* Filters the request to detect conversational form slugs.
*
* @since 1.3
*
* @return mixed|void
*/
public function parse_request( $wp ) {
$requested_slug = $this->get_requested_slug();
if ( ! empty( $requested_slug ) && get_page_by_path( $requested_slug, OBJECT, 'conversational_form' ) ) {
$wp->query_vars = array(
'name' => $requested_slug,
'post_type' => 'conversational_form',
);
}
}
/**
* Run upgrades if necessary.
*
* @since 1.3.0
*
* @param $previous_version
*
* @return void
*/
public function upgrade( $previous_version ) {
if ( empty( $previous_version ) ) {
$previous_version = get_option( 'gravityformsaddon_gravityformsconversationalforms_version' );
}
// Version 1.3.0 has a new custom post type for conversational forms and a new format for image settings.
if ( version_compare( $previous_version, '1.3.0', '<' ) ) {
$this->upgrade_1_3_0_create_cpts();
$this->upgrade_1_3_0_image_settings();
}
}
/**
* Create custom post types for existing conversational forms.
*
* @since 1.3.0
*
* @return void
*/
public function upgrade_1_3_0_create_cpts() {
$this->log_debug( __METHOD__ . '(): Converting existing conversational forms to use the new custom post type.' );
$updated = get_transient( 'gf_conversational_forms_1_3_upgraded_forms' );
if( $updated ) {
$this->log_debug( __METHOD__ . '(): Already converted forms to new custom post type.' );
return;
}
$form_count = 0;
$forms = \GFAPI::get_forms();
foreach ( $forms as $form ) {
$form_meta = \GFFormsModel::get_form_meta( $form['id'] );
$full_screen_slug = rgars( $form_meta, 'gf_theme_layers/form_full_screen_slug' );
$form_post_id = rgars( $form_meta, 'gf_theme_layers/post_id' );
$legacy = GFCommon::is_legacy_markup_enabled( $form['id'] );
if ( $full_screen_slug && ! $form_post_id && ! $legacy ) {
$this->log_debug( __METHOD__ . '(): Updating form ' . $form['id'] . ' to use new custom post type.' );
$post_id = wp_insert_post( array(
'post_title' => $form['title'],
'post_name' => $full_screen_slug,
'post_status' => 'publish',
'post_type' => 'conversational_form',
) );
if ( ! is_wp_error( $post_id ) ) {
$post = get_post( $post_id );
update_post_meta( $post_id, 'gf_form_id', $form['id'] );
$form_meta['gf_theme_layers']['post_id'] = $post_id;
$form_meta['gf_theme_layers']['page_title'] = $post->post_title;
$update = GFFormsModel::update_form_meta( $form['id'], $form_meta );
if( ! $update ) {
$this->log_error( __METHOD__ . '(): Failed to update form meta for form ' . $form['id'] );
}
$form_count++;
} else {
$this->log_error( __METHOD__ . '(): Failed to create post for form ' . $form['id'] );
}
$this->log_debug( __METHOD__ . '(): Post id ' . $post_id . ' created for form id ' . $form['id'] );
}
}
set_transient( 'gf_conversational_forms_1_3_upgraded_forms', $form_count, DAY_IN_SECONDS );
flush_rewrite_rules();
$this->log_debug( __METHOD__ . '(): Finished converting to new custom post type. ' . $form_count . ' posts created.' );
}
/**
* Upgrade image settings to use the new attachment data format.
*
* @since 1.3.0
*/
public function upgrade_1_3_0_image_settings() {
$this->log_debug( __METHOD__ . '(): Upgrading image settings to use the new attachment data format.' );
$updated = get_transient( 'gf_conversational_forms_1_3_upgraded_images' );
if( $updated ) {
$this->log_debug( __METHOD__ . '(): Already converted images to use the new data format.' );
return;
}
$image_count = 0;
$forms = \GFAPI::get_forms();
foreach ( $forms as $form ) {
$updated = false;
$form_meta = \GFFormsModel::get_form_meta( $form['id'] );
$image_settings = array(
'logo',
'background_image',
'welcome_screen_image',
);
foreach( $image_settings as $setting ) {
$image_url = rgars( $form_meta, "gf_theme_layers/{$setting}" );
if ( $image_url && ! is_array( $image_url ) ) {
$attachment_id = attachment_url_to_postid( esc_url( $image_url ) );
if ( $attachment_id ) {
$form_meta['gf_theme_layers'][$setting] = array(
'attachment_id' => $attachment_id,
'file_url' => $image_url,
);
unset ( $form_meta['gf_theme_layers'][$setting . '_file_url'] );
$updated = true;
$image_count++;
} else {
$this->log_debug( __METHOD__ . '(): Could not find the attachment ID for the image url ' . $image_url );
}
}
}
if( $updated ) {
\GFFormsModel::update_form_meta( $form['id'], $form_meta );
}
}
set_transient( 'gf_conversational_forms_1_3_upgraded_images', $image_count, DAY_IN_SECONDS );
$this->log_debug( __METHOD__ . '(): Finished upgrading image settings. ' . $image_count . ' images updated.' );
}
/**
* Register the query var for the conversational form slug.
*
* @param $vars
* @return mixed|void
* @since 1.0
*/
public function add_slug_query_var( $vars ) {
$vars[] = $this->query_var;
return $vars;
}
/**
* Get the slug of the requested conversational form.
*
* @param $vars
* @return mixed|void
* @since 1.0
*/
public function get_requested_slug() {
global $wp;
if ( $this->is_plain_permalinks() && isset( $wp->query_vars[ $this->query_var ] ) ) {
return strtolower( $wp->query_vars[ $this->query_var ] );
} else {
return strtolower( $wp->request );
}
}
/**
* Register the conversational form post type.
*
* @since 1.3.0
*
* @return void
*/
public function register_conversational_forms_post_type() {
$labels = array(
'name' => _x( 'Conversational Forms', 'Post Type General Name', 'gravityformsconversationalforms' ),
'singular_name' => _x( 'Conversational Form', 'Post Type Singular Name', 'gravityformsconversationalforms' ),
'menu_name' => __( 'Conversational Forms', 'gravityformsconversationalforms' ),
'name_admin_bar' => __( 'Conversational Form', 'gravityformsconversationalforms' ),
'archives' => __( 'Conversational Form Archives', 'gravityformsconversationalforms' ),
'attributes' => __( 'Conversational Form Attributes', 'gravityformsconversationalforms' ),
'parent_item_colon' => __( 'Parent Conversational Form:', 'gravityformsconversationalforms' ),
'all_items' => __( 'All Conversational Forms', 'gravityformsconversationalforms' ),
'add_new_item' => __( 'Add New Conversational Form', 'gravityformsconversationalforms' ),
'add_new' => __( 'Add New', 'gravityformsconversationalforms' ),
'new_item' => __( 'New Conversational Form', 'gravityformsconversationalforms' ),
'edit_item' => __( 'Edit Conversational Form', 'gravityformsconversationalforms' ),
'update_item' => __( 'Update Conversational Form', 'gravityformsconversationalforms' ),
'view_item' => __( 'View Conversational Form', 'gravityformsconversationalforms' ),
'view_items' => __( 'View Conversational Form', 'gravityformsconversationalforms' ),
'search_items' => __( 'Search Conversational Form', 'gravityformsconversationalforms' ),
'not_found' => __( 'Not found', 'gravityformsconversationalforms' ),
'not_found_in_trash' => __( 'Not found in Trash', 'gravityformsconversationalforms' ),
'featured_image' => __( 'Featured Image', 'gravityformsconversationalforms' ),
'set_featured_image' => __( 'Set featured image', 'gravityformsconversationalforms' ),
'remove_featured_image' => __( 'Remove featured image', 'gravityformsconversationalforms' ),
'use_featured_image' => __( 'Use as featured image', 'gravityformsconversationalforms' ),
'insert_into_item' => __( 'Insert into Conversational Form', 'gravityformsconversationalforms' ),
'uploaded_to_this_item' => __( 'Uploaded to this Conversational Form', 'gravityformsconversationalforms' ),
'items_list' => __( 'Conversational Forms list', 'gravityformsconversationalforms' ),
'items_list_navigation' => __( 'Conversational Forms list navigation', 'gravityformsconversationalforms' ),
'filter_items_list' => __( 'Filter Conversational Forms list', 'gravityformsconversationalforms' ),
);
$args = array(
'label' => __( 'Conversational Form', 'gravityformsconversationalforms' ),
'description' => __( 'Gravity Forms conversational form', 'gravityformsconversationalforms' ),
'labels' => $labels,
'supports' => array( 'title', 'editor' ),
'hierarchical' => false,
'public' => false,
'show_ui' => false,
'show_in_menu' => false,
'menu_position' => 60,
'show_in_admin_bar' => false,
'show_in_nav_menus' => false,
'can_export' => false,
'has_archive' => false,
'exclude_from_search' => true,
'publicly_queryable' => false,
'capability_type' => 'page',
'rewrite' => false,
/**
* Using gf_conversational when plain permalinks are used for backwards compatibility.
*/
'query_var' => $this->is_plain_permalinks() ? $this->query_var : 'conversational_form',
);
register_post_type( 'conversational_form', $args );
}
/**
* Filter the post type URL to remove the post type slug.
*
* @since 1.3.0
*
* @param $post_link
* @param $post
* @param $leavename
*
* @return mixed|string|null
*/
public function conversational_forms_post_type_permalinks( $post_link, $post, $leavename ) {
if ( isset( $post->post_type ) && 'conversational_form' == $post->post_type ) {
$post_link = home_url( $post->post_name );
}
return $post_link;
}
/**
* Make sure that the slug is unique for the conversational_form post type.
*
* @since 1.3.0
*
* @param $slug
* @param $post_ID
* @param $post_status
* @param $post_type
* @param $post_parent
* @param $original_slug
*
* @return mixed|string
*/
function prevent_slug_duplicates( $slug, $post_ID, $post_status, $post_type, $post_parent, $original_slug ) {
$check_post_types = array(
'post',
'page',
'conversational_form'
);
if ( ! in_array( $post_type, $check_post_types ) ) {
return $slug;
}
if ( 'conversational_form' == $post_type ) {
// Saving a custom_post_type post, check for duplicates in POST or PAGE post types.
$post_match = get_page_by_path( $slug, 'OBJECT', 'post' );
$page_match = get_page_by_path( $slug, 'OBJECT', 'page' );
if ( $post_match || $page_match ) {
$slug = $this->increment_slug( $slug );
}
} else {
// Saving a POST or PAGE, check for duplicates in conversational_form post type.
$custom_post_type_match = get_page_by_path( $slug, 'OBJECT', 'conversational_form' );
if ( $custom_post_type_match ) {
$slug = $this->increment_slug( $slug );
}
}
$verified = get_transient( 'gf_conversational_form_slug_verified' );
if ( $slug !== $original_slug && $verified !== $slug ) {
$slug = wp_unique_post_slug( $slug, $post_ID, $post_status, $post_type, $post_parent );
set_transient( 'gf_conversational_form_slug_verified', $slug, 10 );
}
return $slug;
}
/**
* Increment a slug by appending a number to the end or increasing the number at the end.
*
* @since 1.3.0
*
* @param string $slug
* @return string $slug
*/
public function increment_slug( $slug ) {
$slug_parts = explode( '-', $slug );
$last_part = array_pop( $slug_parts );
if ( is_numeric( $last_part ) ) {
$last_part++;
$slug_parts[] = $last_part;
} else {
$slug_parts[] = $last_part;
$slug_parts[] = 2;
}
return implode( '-', $slug_parts );
}
/**
* Retrieve the template file for the custom post type.
*
* @since 1.3.0
*
* @param $template
*
* @return string
*/
public function conversational_form_template( $template ) {
global $post;
if ( 'conversational_form' === $post->post_type ) {
return dirname( __FILE__ ) . '/includes/theme-layers/layers/views/single-conversational_form.php';
}
return $template;
}
// # SCRIPT AND STYLE METHODS --------------------------------------------------------------------------------------------
/**
* Add required scripts.
*
* @since 1.0
*
* @return array[]|mixed
*/
public function scripts() {
$enqueue_condition = is_admin() ? array( 'admin_page' => array( 'form_settings', 'plugin_settings' ) ) : array( function() { return false; } );
$scripts = array(
array(
'handle' => 'gform_gfcf_vendor_admin_js',
'src' => $this->get_base_url() . '/assets/js/dist/vendor-admin.js',
'version' => $this->_version,
'in_footer' => false,
'enqueue' => $enqueue_condition,
),
array(
'handle' => 'gform_gfcf_admin_js',
'src' => $this->get_base_url() . '/assets/js/dist/scripts-admin.js',
'version' => $this->_version,
'in_footer' => false,
'enqueue' => $enqueue_condition,
),
);
wp_enqueue_media();
return array_merge( parent::scripts(), $scripts );
}
/**
* Add required styles.
*
* @since 1.0
*
* @return array[]|mixed
*/
public function styles() {
$enqueue_condition = is_admin() ? array( 'admin_page' => array( 'form_settings', 'plugin_settings' ) ) : array( function() { return false; } );
$styles = array(
array(
'handle' => 'gfcf_admin_styles',
'src' => $this->get_base_url() . '/assets/css/dist/admin.css',
'version' => $this->_version,
'enqueue' => $enqueue_condition,
),
);
return array_merge( parent::styles(), $styles );
}
public function localize_admin_scripts() {
$strings = array(
'endpoints' => array( 'ajaxurl' => admin_url( 'admin-ajax.php' ) ),
);
wp_localize_script( 'gform_gfcf_admin_js', 'gfcf_admin_config', $strings );
}
public function localize_frontend_scripts( $form, $ajax ) {
$strings = array(
'endpoints' => array( 'ajaxurl' => admin_url( 'admin-ajax.php' ) ),
'data' => array(
'animation_settings' => array(
'fields' => array(
'delay' => 25,
'distance_from' => 'calc(-50% + 50px)',
'distance_to' => 'calc(-50% + (var(--gf-convo-nav-bar-placeholder) / 2))',
'duration' => 150,
'easing' => 'ease',
'in_type' => 'fadeIn translateY',
'out_type' => 'fadeOut',
),
'logoNavBar' => array(
'distance_from' => 0,
'distance_to' => 0,
'duration' => 1200,
'in_type' => 'fadeIn',
),
'welcome' => array(
'in_distance_from' => '80px',
'in_distance_to' => '0px',
'in_duration' => 500,
'in_type' => 'fadeIn translateY',
'out_distance_to' => '0',
'out_duration' => 300,
'out_type' => 'fadeOut',
),
'enabled' => true,
),
'is_conversational_form' => is_conversational_form( $form ),
),
'i18n' => array(
'unknown_error' => esc_html__( 'Unknown error. Please try again', 'gravityformsconversationalforms' ),
'linebreaks_tip' => esc_html__( 'Use Shift + Enter to add line breaks', 'gravityformsconversationalforms' ),
'empty_form' => esc_html__( 'There was a problem with your submission. At least one field must be filled out.', 'gravityformsconversationalforms' ),
),
);
/**
* Allows the conversational form's global JS data object to be modified.
*
* @since 1.0.0
*
* @param array $strings The global JS data object for the conversational form.
* @param int $form_id The ID of the current form.
*/
$strings = gf_apply_filters( array( 'gform_gfcf_theme_config', $form['id'] ), $strings, $form['id'] );
wp_localize_script( 'gform_conversational_scripts_theme', 'gfcf_theme_config', $strings );
}
/**
* Overrides the form theme slug returned for the conversational form.
*
* @since 1.0
*
* @return string
*/
public function customize_form_theme_slug( $slug, $form ) {
if ( \GFCommon::is_preview() ) {
return $slug;
}
global $wp;
$full_screen_slug = rgars( $form, 'gf_theme_layers/form_full_screen_slug' );
$current_slug = $this->get_requested_slug();
if ( ! rgars( $form, 'gf_theme_layers/enable' ) || ( $current_slug != $full_screen_slug ) ) {
return $slug;
}
return 'orbital';
}
// # HELPER METHODS --------------------------------------------------------------------------------------------
/**
* Check if the site is using plain permalinks.
*
* @since 1.0
*
* @return bool
*/
public function is_plain_permalinks() {
return get_option( 'permalink_structure' ) == '';
}
/**
* Retrieve the list of CSS Props from the Theme Layer for usage outside of the main
* output engines.
*
* @since 1.0
*
* @param $form_id
* @param $form
* @param false $selector
*
* @return mixed
*/
public static function conversational_style_css_props( $form_id, $form, $selector = false ) {
$layers = \GFForms::get_service_container()->get( \Gravity_Forms\Gravity_Forms\Theme_Layers\GF_Theme_Layers_Provider::THEME_LAYERS );
$layers = array_filter( $layers, function ( $layer ) {
return $layer->name() == 'gravityformsconversationalforms';
} );
$layer = array_shift( $layers );
/**
* @var \Gravity_Forms\Gravity_Forms\Theme_Layers\Framework\Engines\Output_Engines\Form_CSS_Properties_Output_Engine $engine
*/
$engine = $layer->output_engine_by_type( \Gravity_Forms\Gravity_Forms\Theme_Layers\Framework\Engines\Output_Engines\Form_CSS_Properties_Output_Engine::class );
$css_props = $engine ? $engine->generate_props_block( $form_id, $form ) : '';
if ( $selector ) {
$css_props = preg_replace( '/<style>[^\{]+{/', '<style>' . $selector . ' {$1', $css_props );
}
return $css_props;
}
/**
* Helper method to get the URL for a given SVG.
*
* @since 1.0
*
* @param $name
*
* @return string
*/
private function get_svg_url( $name ) {
return sprintf( '%s/assets/img/%s.svg', untrailingslashit( plugin_dir_url( __FILE__ ) ), $name );
}
/**
* Whether the current settings combine to enable Conversational Forms for a given instance
* of the form.
*
* @since 1.0
*
* @param $settings
*
* @return bool
*/
private function is_enabled( $settings ) {
if ( ! isset( $settings['enable'] ) || ! $settings['enable'] ) {
return false;
}
if ( rgar( $settings, 'post_id' ) && ! $this->is_full_screen_page( $settings['post_id'] ) ) {
return false;
}
return true;
}
/**
* Helper method to determine if the current page/post matches the post id
* in the Form Settings.
*
* @since 1.0
* @since 1.3.0 Search by post ID instead of slug.
*
* @param $post_id
*
* @return bool
*/
private function is_full_screen_page( $post_id ) {
global $wp_query;
return $wp_query->queried_object_id == $post_id;
}
/**
* Helper method to get the relevant allowed file types for the file upload settings.
* Used to provide the supported file type helper text.
*
* @since 1.0
*
* @return array
*/
private function get_file_upload_allowed_file_types() {
// Allowed mime types from WordPress for the current user
$allowed_mime_types = get_allowed_mime_types();
// Allowed file types for the file upload settings
$allowed_file_types = array( 'gif', 'jpg', 'jpeg', 'png' );
// Add svg to the allowed file types helper text if allowed by WordPress
if ( array_key_exists( 'svg', $allowed_mime_types ) || array_key_exists( 'svgz', $allowed_mime_types ) ) {
$allowed_file_types[] = 'svg';
}
return $allowed_file_types;
}
/**
* When a form is duplicated, create a new conversational form post for the duplicate.
*
* @since 1.3.0
*
* @param int $form_id
* @param int $new_id
*/
public function create_post_for_duplicate( $form_id, $new_id ) {
$form_meta = \GFFormsModel::get_form_meta( $form_id );
$new_form_meta = \GFFormsModel::get_form_meta( $new_id );
if ( ! rgars( $form_meta, 'gf_theme_layers/post_id' ) ) {
// This form doesn't have a conversational form post, so we don't need to do anything.
return;
}
$original_post = get_post( $form_meta['gf_theme_layers']['post_id'] );
// Make a new post.
$post_id = wp_insert_post( array(
'post_title' => $new_form_meta['title'],
'post_type' => 'conversational_form',
'post_status' => 'publish',
'post_name' => $original_post->post_name,
) );
// Save the post id to the form meta.
$new_form_meta['gf_theme_layers']['post_id'] = $post_id;
GFFormsModel::update_form_meta( $new_id, $new_form_meta );
// Save the form id to the post meta.
update_post_meta( $post_id, 'gf_form_id', $new_id );
}
/**
* Check if another form is already using this slug.
*
* @since 1.0
*
* @param string $slug The slug to check.
*
* @return bool True if the slug is unique.
*/
public function is_unique_slug( $slug ) {
$forms = \GFFormsModel::get_forms();
foreach ( $forms as $form ) {
$form_meta = \GFFormsModel::get_form_meta( $form->id );
if ( rgars( $form_meta, 'gf_theme_layers/form_full_screen_slug' ) && $form_meta['gf_theme_layers']['form_full_screen_slug'] == $slug ) {
return false;
}
}
return true;
}
/**
* Make sure WordPress doesn't give a post the same URL as a conversational form.
*
* @since 1.0.0
*
* @param $bad_slug
* @param $slug
* @param $post_type
*
* @return bool Whether the slug is bad.
*/
public function is_bad_flat_slug( $bad_slug, $slug, $post_type ) {
return ! $this->is_unique_slug( $slug );
}
/**
* Make sure WordPress doesn't give a page the same URL as a conversational form.
*
* @since 1.0.0
*
* @param $bad_slug
* @param $slug
* @param $post_type
* @param $parent_post_id
*
* @return bool Whether the slug is bad.
*/
public function is_bad_hierarchical_slug( $bad_slug, $slug, $post_type, $parent_post_id ) {
return ! $this->is_unique_slug( $slug );
}
/**
* Defines the various setting fields to display on the Form Settings screen for this theme layer.
*
* @since 1.0
*
* @return array[]
*/
public function theme_layer_settings_fields() {
$file_upload_allowed_file_types = $this->get_file_upload_allowed_file_types();
$form_id = rgget( 'id' );
$form = \GFFormsModel::get_form_meta( $form_id );
return array(
'conversational_forms_general' => array(
'title' => __( 'Conversational Forms', 'gravityformsconversationalforms' ),
'description' => $this->maybe_show_legacy_message( $form_id ),
'fields' => array(
// Whether to enable the Conversational Form functionality for this form.
// Note: all fields below are conditional on this being enabled.
array(
'name' => 'enable',
'label' => __( 'Enable Conversational Page', 'gravityformsconversationalforms' ),
'description' => __( 'Enable a distraction-free conversational page for this form at a unique URL. The form will continue to display as normal when embedded anywhere else on your site.', 'gravityformsconversationalforms' ),
'type' => 'toggle',
'default_value' => false,
'save_callback' => array( $this, 'maybe_delete_post' ),
'disabled' => GFCommon::is_legacy_markup_enabled( $form_id ),
),
array(
'name' => 'page_title',
'label' => __( 'Conversational Page Title', 'gravityformsconversationalforms' ),
'type' => 'text',
'required' => true,
'save_callback' => array( $this, 'create_post' ),
'default_value' => rgar( $form, 'title' ) ? $form['title'] : '',
'dependency' => array(
'live' => true,
'fields' => array(
array(
'field' => 'enable',
'values' => array( true, '1' ),
),
),
),
),
// The slug used to display the form as Full Screen.
array(
'name' => 'form_full_screen_slug',
'label' => __( 'Conversational Page URL', 'gravityformsconversationalforms' ),
'description' => __( 'The URL where this form will be displayed in conversational mode. You can edit the URL after you save your settings and the page has been created.', 'gravityformsconversationalforms' ),
'type' => 'permalink',
'input_prefix' => trailingslashit( home_url() ) . ( $this->is_plain_permalinks() ? '?' . $this->query_var . '=' : '' ),
'action_button' => true,
'action_button_icon' => 'external-link',
'action_button_icon_prefix' => 'gform-icon',
'action_button_text' => __( 'View Form', 'gravityformsconversationalforms' ),
'required' => false,
'value_callback' => $this->get_post_url(),