Added RegisterSingleField for JetEngine Forms

src/JetEngine/RegisterSingleField.php

@@ -0,0 +1,46 @@
+<?php
+
+
+namespace JFBCore\JetEngine;
+
+
+trait RegisterSingleField {
+
+	private function add_hooks() {
+		add_filter(
+			'jet-engine/forms/booking/field-types',
+			array( $this, 'register_form_fields' )
+		);
+		add_action(
+			"jet-engine/forms/booking/field-template/{$this->get_id()}",
+			array( $this, 'get_field_template' ),
+			10, 3
+		);
+		add_action(
+			'jet-engine/forms/edit-field/before',
+			array( $this, 'render_field_edit' )
+		);
+	}
+
+	public static function register() {
+		if ( function_exists( 'jet_engine' ) ) {
+			( new static() )->add_hooks();
+		}
+	}
+
+
+	abstract public function get_id();
+
+	abstract public function get_title();
+
+	abstract public function get_field_template();
+
+	abstract public function render_field_edit();
+
+	final public function register_form_fields( $fields ) {
+		$fields[ $this->get_id() ] = $this->get_title();
+
+		return $fields;
+	}
+
+}