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<?php
defined( 'ABSPATH' ) || exit;
class GFPersian_LivePreview extends GFPersian_Core {
/**
* @var string $post_type
*/
private string $post_type = 'gf_live_preview';
/**
* @var array $_args
*/
private array $_args;
public function __construct( $args = [] ) {
if ( $this->option( 'live_preview', '1' ) != '1' ) {
return;
}
$this->_args = wp_parse_args( $args, [
'id' => 0,
'title' => true,
'description' => true,
'ajax' => true
] );
add_action( 'init', [ $this, 'register_preview_post_type' ] );
add_action( 'wp', [ $this, 'maybe_load_preview_functionality' ] );
add_action( 'admin_footer', [ $this, 'display_preview_link' ] );
add_filter( 'gform_form_actions', [ $this, 'gform_form_actions' ], 10, 2 );
}
/**
* Register the preview post type for GForm
*
* @action init
*
* @return void
*/
public function register_preview_post_type(): void {
$args = [
'label' => 'پیش نمایش زنده',
'description' => 'پیش نمایش فرم در فرانت اند به صورت یک پست تایپ مجازی',
'public' => false,
'publicly_queryable' => true,
'has_archive' => true,
'can_export' => false,
'supports' => false
];
register_post_type( $this->post_type, $args );
// create preview post
$preview_post = get_posts( [ 'post_type' => $this->post_type ] );
if ( empty( $preview_post ) ) {
wp_insert_post( [
'post_type' => $this->post_type,
'post_title' => 'پیش نمایش زنده',
'post_status' => 'publish'
] );
}
}
/**
* Inject preview content to the preview post type
*
* @action wp
*
* @retrun void
*/
public function maybe_load_preview_functionality(): void {
if ( ! is_post_type_archive( $this->post_type ) ) {
return;
}
add_filter( 'template_include', [ $this, 'load_preview_template' ] );
add_filter( 'the_content', [ $this, 'modify_preview_post_content' ] );
// Get the main query object safely
$query = get_queried_object();
if ( $query instanceof WP_Query && ! empty( $query->posts ) ) {
foreach ( $query->posts as $post ) {
$post->post_content = $this->get_shortcode();
}
}
}
/**
* Add preview option to single row form action in GForm archive
*
* @filter gform_form_actions
*
* @param array $form_actions
* @param int $form_id
*
* @return array
*/
public function gform_form_actions( array $form_actions, int $form_id ): array {
if ( ! empty( $_GET['trash'] ) && $_GET['trash'] == 1 ) {
return $form_actions;
}
$capabilities = [
'gravityforms_view_entries',
'gravityforms_edit_entries',
'gravityforms_delete_entries'
];
$ajax_true_url = get_bloginfo( "wpurl" ) . '/?post_type=' . $this->post_type . '&id=' . $form_id;
$ajax_false_url = get_bloginfo( "wpurl" ) . '/?post_type=' . $this->post_type . '&ajax=false&id=' . $form_id;
$sub_menu_items = [];
$sub_menu_items[] = [
'url' => $ajax_true_url,
'label' => 'حالت ایجکس فعال',
'capabilities' => $capabilities
];
$sub_menu_items[] = [
'url' => $ajax_false_url,
'label' => 'حالت ایجکس غیرفعال',
'capabilities' => $capabilities
];
$form_actions['live_preview'] = [
'label' => 'پیش نمایش زنده',
'icon' => '<i class="fa fa-cogs fa-lg"></i>',
'title' => 'پیش نمایش زنده',
'url' => '',
'menu_class' => 'gf_form_toolbar_settings',
'link_class' => 'gf_toolbar_active',
'sub_menu_items' => $sub_menu_items,
'capabilities' => $capabilities,
'priority' => 650,
];
return $form_actions;
}
/**
* Set preview link elements
*
* @action admin_footer
*
* @return void
*/
public function display_preview_link() {
if ( ! in_array( rgget( 'page' ), [
'gf_edit_forms',
'gf_entries'
] ) || ! rgget( 'id' ) || apply_filters( 'gf_live_preview_page', false ) ) {
return;
}
$form_id = apply_filters( 'gf_live_preview_id', rgget( 'id' ) );
$ajax_true_url = get_bloginfo( 'wpurl' ) . '/?post_type=' . $this->post_type . '&id=' . $form_id;
$ajax_false_url = get_bloginfo( 'wpurl' ) . '/?post_type=' . $this->post_type . '&ajax=false&id=' . $form_id;
?>
<script type="text/javascript">
(function ($) {
$('<li class="gf_form_toolbar_preview">' +
'<a style="position:relative" id="gf-live-preview" target="_blank" href="<?php echo esc_url( $ajax_true_url ); ?>" class="" >' +
'<i class="fa fa-eye" style="position: absolute; text-shadow: 0px 0px 5px rgb(255, 255, 255); z-index: 99; line-height: 7px; left: 0px; font-size: 9px; background-color: rgb(243, 243, 243);"></i>' +
'<i class="fa fa-file-o" style="margin-left: 5px; line-height: 12px; font-size: 18px; position: relative;"></i>' +
'پیش نمایش زنده' +
'</a>' +
'<div class="gf_submenu"><ul>' +
'<li class=""><a target="_blank" href="<?php echo esc_url( $ajax_true_url ); ?>">حالت ایجکس فعال</a></li>' +
'<li class=""><a target="_blank" href="<?php echo esc_url( $ajax_false_url ); ?>">حالت ایجکس غیرفعال</a></li>' +
'</ul></div>' +
'</li>')
.insertAfter('li.gf_form_toolbar_preview');
})(jQuery);
</script>
<?php
}
/**
* Force WordPress to use page template
*
* @filter template_include
*
* @param string $template The template to look for.
*
* @return string
*/
public function load_preview_template( string $template ): string {
return get_page_template();
}
/**
* Force WordPress to set GForm shortcode in preview post type
*
* @filter the_content
*
* @param string $content
*
* @return string
*/
public function modify_preview_post_content( string $content ): string {
return $this->get_shortcode();
}
/**
* Get GForm shortcode to preview
*
* @param array $args
*
* @return string
*/
public function get_shortcode( array $args = [] ): string {
if ( ! is_user_logged_in() ) {
return '<p>برای دسترسی به این قسمت باید لاگین شوید.</p>' . wp_login_form( [ 'echo' => false ] );
}
if ( ! GFCommon::current_user_can_any( 'gravityforms_preview_forms' ) ) {
return 'شما مجوز دسترسی به این بخش را ندارید.';
}
if ( empty( $args ) ) {
$args = $this->get_shortcode_parameters_from_query_string();
}
extract( wp_parse_args( $args, $this->_args ) );
$title = ! empty( $title ) && $title === true ? 'true' : 'false';
$description = ! empty( $description ) && $description === true ? 'true' : 'false';
$ajax = ! empty( $ajax ) && $ajax === true ? 'true' : 'false';
$id = ! empty( $id ) && $id > 0 ? $id : 0;
return "[gravityform id='$id' title='$title' description='$description' ajax='$ajax']";
}
/**
* Set default GForm shortcode parameters
*
* @return array
*/
public function get_shortcode_parameters_from_query_string(): array {
return array_filter( [
'id' => rgget( 'id' ),
'title' => rgget( 'title' ),
'description' => rgget( 'description' ),
'ajax' => rgget( 'ajax' )
] );
}
}
new GFPersian_LivePreview();