<?php /** * Customize API: WP_Customize_Header_Image_Control class * * @package WordPress * @subpackage Customize * @since 4.4.0 */ /** * Customize Header Image Control class. * * @since 3.4.0 * * @see WP_Customize_Image_Control */ class WP_Customize_Header_Image_Control extends WP_Customize_Image_Control { /** * Customize control type. * * @since 4.2.0 * @var string */ public $type = 'header'; /** * Uploaded header images. * * @since 3.9.0 * @var string */ public $uploaded_headers; /** * Default header images. * * @since 3.9.0 * @var string */ public $default_headers; /** * Constructor. * * @since 3.4.0 * * @param WP_Customize_Manager $manager Customizer bootstrap instance. */ public function __construct( $manager ) { parent::__construct( $manager, 'header_image', array( 'label' => __( 'Header Image' ), 'settings' => array( 'default' => 'header_image', 'data' => 'header_image_data', ), 'section' => 'header_image', 'removed' => 'remove-header', 'get_url' => 'get_header_image', ) ); } /** */ public function enqueue() { wp_enqueue_media(); wp_enqueue_script( 'customize-views' ); $this->prepare_control(); wp_localize_script( 'customize-views', '_wpCustomizeHeader', array( 'data' => array( 'width' => absint( get_theme_support( 'custom-header', 'width' ) ), 'height' => absint( get_theme_support( 'custom-header', 'height' ) ), 'flex-width' => absint( get_theme_support( 'custom-header', 'flex-width' ) ), 'flex-height' => absint( get_theme_support( 'custom-header', 'flex-height' ) ), 'currentImgSrc' => $this->get_current_image_src(), ), 'nonces' => array( 'add' => wp_create_nonce( 'header-add' ), 'remove' => wp_create_nonce( 'header-remove' ), ), 'uploads' => $this->uploaded_headers, 'defaults' => $this->default_headers, ) ); parent::enqueue(); } /** * @global Custom_Image_Header $custom_image_header */ public function prepare_control() { global $custom_image_header; if ( empty( $custom_image_header ) ) { return; } add_action( 'customize_controls_print_footer_scripts', array( $this, 'print_header_image_template' ) ); // Process default headers and uploaded headers. $custom_image_header->process_default_headers(); $this->default_headers = $custom_image_header->get_default_header_images(); $this->uploaded_headers = $custom_image_header->get_uploaded_header_images(); } /** */ public function print_header_image_template() { ?> <script type="text/template" id="tmpl-header-choice"> <# if (data.random) { #> <button type="button" class="button display-options random"> <span class="dashicons dashicons-randomize dice"></span> <# if ( data.type === 'uploaded' ) { #> <?php _e( 'Randomize uploaded headers' ); ?> <# } else if ( data.type === 'default' ) { #> <?php _e( 'Randomize suggested headers' ); ?> <# } #> </button> <# } else { #> <button type="button" class="choice thumbnail" data-customize-image-value="{{data.header.url}}" data-customize-header-image-data="{{JSON.stringify(data.header)}}"> <span class="screen-reader-text"> <?php /* translators: Hidden accessibility text. */ _e( 'Set image' ); ?> </span> <img src="{{data.header.thumbnail_url}}" alt="{{data.header.alt_text || data.header.description}}" /> </button> <# if ( data.type === 'uploaded' ) { #> <button type="button" class="dashicons dashicons-no close"> <span class="screen-reader-text"> <?php /* translators: Hidden accessibility text. */ _e( 'Remove image' ); ?> </span> </button> <# } #> <# } #> </script> <script type="text/template" id="tmpl-header-current"> <# if (data.choice) { #> <# if (data.random) { #> <div class="placeholder"> <span class="dashicons dashicons-randomize dice"></span> <# if ( data.type === 'uploaded' ) { #> <?php _e( 'Randomizing uploaded headers' ); ?> <# } else if ( data.type === 'default' ) { #> <?php _e( 'Randomizing suggested headers' ); ?> <# } #> </div> <# } else { #> <img src="{{data.header.thumbnail_url}}" alt="{{data.header.alt_text || data.header.description}}" /> <# } #> <# } else { #> <div class="placeholder"> <?php _e( 'No image set' ); ?> </div> <# } #> </script> <?php } /** * @return string|void */ public function get_current_image_src() { $src = $this->value(); if ( isset( $this->get_url ) ) { $src = call_user_func( $this->get_url, $src ); return $src; } } /** */ public function render_content() { $visibility = $this->get_current_image_src() ? '' : ' style="display:none" '; $width = absint( get_theme_support( 'custom-header', 'width' ) ); $height = absint( get_theme_support( 'custom-header', 'height' ) ); ?> <div class="customize-control-content"> <?php if ( current_theme_supports( 'custom-header', 'video' ) ) { echo '<span class="customize-control-title">' . $this->label . '</span>'; } ?> <div class="customize-control-notifications-container"></div> <p class="customizer-section-intro customize-control-description"> <?php if ( current_theme_supports( 'custom-header', 'video' ) ) { _e( 'Click “Add Image” to upload an image file from your computer. Your theme works best with an image that matches the size of your video — you’ll be able to crop your image once you upload it for a perfect fit.' ); } elseif ( $width && $height ) { printf( /* translators: %s: Header size in pixels. */ __( 'Click “Add Image” to upload an image file from your computer. Your theme works best with an image with a header size of %s pixels — you’ll be able to crop your image once you upload it for a perfect fit.' ), sprintf( '<strong>%s × %s</strong>', $width, $height ) ); } elseif ( $width ) { printf( /* translators: %s: Header width in pixels. */ __( 'Click “Add Image” to upload an image file from your computer. Your theme works best with an image with a header width of %s pixels — you’ll be able to crop your image once you upload it for a perfect fit.' ), sprintf( '<strong>%s</strong>', $width ) ); } else { printf( /* translators: %s: Header height in pixels. */ __( 'Click “Add Image” to upload an image file from your computer. Your theme works best with an image with a header height of %s pixels — you’ll be able to crop your image once you upload it for a perfect fit.' ), sprintf( '<strong>%s</strong>', $height ) ); } ?> </p> <div class="current"> <label for="header_image-button"> <span class="customize-control-title"> <?php _e( 'Current header' ); ?> </span> </label> <div class="container"> </div> </div> <div class="actions"> <?php if ( current_user_can( 'upload_files' ) ) : ?> <button type="button"<?php echo $visibility; ?> class="button remove" aria-label="<?php esc_attr_e( 'Hide header image' ); ?>"><?php _e( 'Hide image' ); ?></button> <button type="button" class="button new" id="header_image-button" aria-label="<?php esc_attr_e( 'Add Header Image' ); ?>"><?php _e( 'Add Image' ); ?></button> <?php endif; ?> </div> <div class="choices"> <span class="customize-control-title header-previously-uploaded"> <?php _ex( 'Previously uploaded', 'custom headers' ); ?> </span> <div class="uploaded"> <div class="list"> </div> </div> <span class="customize-control-title header-default"> <?php _ex( 'Suggested', 'custom headers' ); ?> </span> <div class="default"> <div class="list"> </div> </div> </div> </div> <?php } }

ميديا

“ألعاب الواقع الافتراضي: رحلة إلى عوالم تفاعلية غامرة”

يونيو 12, 2025

1٬019 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.