<?php if ( ! defined( 'ABSPATH' ) ) exit; /** * Class NF_Fields_Product */ class NF_Fields_Product extends NF_Abstracts_Input { protected $_name = 'product'; protected $_section = ''; protected $_icon = 'tag'; protected $_aliases = array(); protected $_type = 'product'; protected $_templates = array( 'product', 'textbox', 'hidden', 'listselect' ); protected $_test_value = '0'; protected $processing_fields = array( 'quantity', 'modifier', 'shipping', 'tax', 'total' ); protected $_settings = array( 'product_use_quantity', 'product_price', 'product_type', 'product_type' ); protected $_settings_exclude = array( 'input_limit_set', 'disable_input', 'required' ); public function __construct() { parent::__construct(); $this->_nicename = esc_html__( 'Product', 'ninja-forms' ); $this->_settings[ 'product_price' ][ 'width' ] = 'full'; add_filter( 'ninja_forms_merge_tag_value_product', array( $this, 'merge_tag_value' ), 10, 2 ); add_filter( 'ninja_forms_custom_columns', array( $this, 'custom_columns' ), 10, 3 ); add_filter( 'ninja_forms_merge_tag_calc_value_product', array( $this, 'merge_tag_value' ), 10, 2 ); add_filter( 'ninja_forms_localize_field_' . $this->_name, array( $this, 'filter_required_setting' ) ); add_filter( 'ninja_forms_localize_field_' . $this->_name . '_preview', array( $this, 'filter_required_setting' ) ); } public function process( $product, $data ) { $related = array(); foreach( $data[ 'fields' ] as $key => $field ){ if( ! isset ( $field[ 'type' ] ) || ! in_array( $field[ 'type' ], $this->processing_fields ) ) continue; $type = $field[ 'type' ]; if( ! isset( $field[ 'product_assignment' ] ) ) continue; if( $product[ 'id' ] != $field[ 'product_assignment' ] ) continue; $related[ $type ] = &$data[ 'fields' ][ $key ]; // Assign by reference } //TODO: Does not work in non-English locales $total = str_replace( array( ',', '$' ), '', $product[ 'product_price' ] ); $total = floatval( $total ); if( isset( $related[ 'quantity' ][ 'value' ] ) && $related[ 'quantity' ][ 'value' ] ){ $total = $total * $related[ 'quantity' ][ 'value' ]; } elseif( $product[ 'product_use_quantity'] && $product[ 'value' ] ){ $total = $total * $product[ 'value' ]; } if( isset( $related[ 'modifier' ] ) ){ //TODO: Handle multiple modifiers. } $data[ 'product_totals' ][] = number_format( $total, 2 ); $data[ 'extra' ][ 'product_fields' ][ $product[ 'id' ] ][ 'product_price' ] = $product[ 'settings' ][ 'product_price' ]; return $data; } /** * Validate * * @param $field * @param $data * @return array $errors */ public function validate( $field, $data ) { $errors = array(); if( isset( $field[ 'product_use_quantity' ] ) && 1 == $field[ 'product_use_quantity' ] ){ // Required check. if( isset( $field['required'] ) && 1 == $field['required'] && ! trim( $field['value'] ) ){ $errors[] = 'Field is required.'; } } return $errors; } public function filter_required_setting( $field ) { if( ! isset( $field[ 'settings' ][ 'product_use_quantity' ] ) || 1 != $field[ 'settings' ][ 'product_use_quantity' ] ) { $field[ 'settings' ][ 'required' ] = 0; } return $field; } public function merge_tag_value( $value, $field ) { // TODO: Replaced this to fix English locales. // Other locales are still broken and will need to be addressed in refactor. // $product_price = preg_replace ('/[^\d,\.]/', '', $field[ 'product_price' ] ); $product_price = (float) str_replace( array( ',', $this->getCurrencySymbol() ), '', $field[ 'product_price' ] ); $product_quantity = ( isset( $field[ 'product_use_quantity' ] ) && 1 == $field[ 'product_use_quantity' ] ) ?(float) $value : 1; return number_format( $product_price * $product_quantity, 2 ); } public function custom_columns( $value, $field, $sub_id ) { if ( ! $field->get_setting( 'product_use_quantity' ) ) return $value; if ( 0 == absint( $_REQUEST[ 'form_id' ] ) ) return $value; $form_id = absint( $_REQUEST[ 'form_id' ] ); /* * Check to see if we have a stored "price" setting for this field. * This lets us track what the value was when the user submitted so that total isn't incorrect if the user changes the price after a submission. */ $sub = Ninja_Forms()->form()->get_sub( $sub_id ); $product_fields = $sub->get_extra_value( 'product_fields' ); if( is_array( $product_fields ) && isset ( $product_fields[ $field->get_id() ] ) ) { $price = $product_fields[ $field->get_id() ][ 'product_price' ]; } else { $price = $field->get_setting( 'product_price' ); } /* * Get our currency marker setting. First, we check the form, then plugin settings. */ $currency = Ninja_Forms()->form( $form_id )->get()->get_setting( 'currency' ); if ( empty( $currency ) ) { /* * Check our plugin currency. */ $currency = Ninja_Forms()->get_setting( 'currency' ); } $currency_symbols = Ninja_Forms::config( 'CurrencySymbol' ); $currency_symbol = html_entity_decode( $currency_symbols[ $currency ] ); // @todo Update to use the locale of the form. global $wp_locale; $price = str_replace( array( $wp_locale->number_format[ 'thousands_sep' ], $currency_symbol ), '', $price ); $price = floatval( $price ); $value = intval( $value ); $total = number_format_i18n( $price * $value, 2 ); $output = $currency_symbol . $total . ' ( ' . $value . ' ) '; return $output; } public function admin_form_element( $id, $value ) { $form_id = get_post_meta( absint( $_GET[ 'post' ] ), '_form_id', true ); $field = Ninja_Forms()->form( $form_id )->get_field( $id ); /* * Check to see if we have a stored "price" setting for this field. * This lets us track what the value was when the user submitted so that total isn't incorrect if the user changes the price after a submission. */ $sub = Ninja_Forms()->form()->get_sub( absint( $_REQUEST[ 'post' ] ) ); $product_fields = $sub->get_extra_value( 'product_fields' ); if( is_array( $product_fields ) && isset ( $product_fields[ $id ] ) ) { $price = $product_fields[ $id ][ 'product_price' ]; } else { $price = $field->get_setting( 'product_price' ); } /* * Get our currency marker setting. First, we check the form, then plugin settings. */ $currency = Ninja_Forms()->form( $form_id )->get()->get_setting( 'currency' ); if ( empty( $currency ) ) { /* * Check our plugin currency. */ $currency = Ninja_Forms()->get_setting( 'currency' ); } $currency_symbols = Ninja_Forms::config( 'CurrencySymbol' ); $currency_symbol = html_entity_decode( $currency_symbols[ $currency ] ); // @todo Update to use the locale of the form. global $wp_locale; $price = str_replace( array( $wp_locale->number_format[ 'thousands_sep' ], $currency_symbol ), '', $price ); $price = floatval( $price ); $value = intval( $value ); $total = number_format_i18n( $price * $value, 2 ); $price = number_format_i18n( $price, 2 ); return "Price: <strong>" . $currency_symbol . $price . "</strong> X Quantity: <input name='fields[$id]' type='number' value='" . $value . "'> = " . $currency_symbol . $total; } /** * Determine currency symbol * * @return string */ protected function getCurrencySymbol(): string { $currencySymbolLookup = Ninja_Forms::config('CurrencySymbol'); $currency = Ninja_Forms()->get_setting('currency'); if (!is_string($currency)) { return ''; } $return = isset($currencySymbolLookup[$currency]) ? $currencySymbolLookup[$currency] : ''; return $return; } }

ميديا

“ألعاب الواقع الافتراضي: رحلة إلى عوالم تفاعلية غامرة”

يونيو 12, 2025

3٬080 أقل من دقيقة

في هذا التقرير المصور، نأخذك في جولة بصرية داخل عالم ألعاب الواقع الافتراضي (VR)، حيث تندمج التكنولوجيا مع الترفيه لخلق تجارب لا مثيل لها. من خلال نظارات الواقع الافتراضي المتطورة، يمكن للاعبين التفاعل مع بيئات ثلاثية الأبعاد، مما يتيح لهم الانغماس الكامل في الألعاب. سنستعرض أبرز الألعاب المتاحة، مثل “Beat Saber” و”Half-Life: Alyx”، التي تقدم تجارب تفاعلية مبتكرة. كما نسلط الضوء على التحديات التي تواجه هذه التقنية، مثل التكلفة المرتفعة ومشاكل الراحة أثناء الاستخدام الطويل. انضم إلينا لاكتشاف كيف يُعيد الواقع الافتراضي تعريف مفهوم اللعب ويشكل مستقبل صناعة الألعاب.