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класс не описан

acf_field_gallery{} ACF 1.0

Хуки из класса
Ищем WP-разработчика! Фулл-тайм, удаленка, хорошая зарплата, соц. пакет. Подробности.
Компания Boosta.

Возвращает

null. Ничего.

Использование

$acf_field_gallery = new acf_field_gallery();
// use class methods

Методы

  1. ajax_get_attachment()
  2. ajax_get_sort_order()
  3. ajax_update_attachment()
  4. format_value( $value, $post_id, $field )
  5. initialize()
  6. input_admin_enqueue_scripts()
  7. render_attachment( $id, $field )
  8. render_field( $field )
  9. render_field_settings( $field )
  10. update_value( $value, $post_id, $field )
  11. validate_value( $valid, $value, $field, $input )

Код acf_field_gallery{} ACF 5.10.2

<?php
class acf_field_gallery extends acf_field {


	/*
	*  __construct
	*
	*  This function will setup the field type data
	*
	*  @type    function
	*  @date    5/03/2014
	*  @since   5.0.0
	*
	*  @param   n/a
	*  @return  n/a
	*/

	function initialize() {

		// vars
		$this->name     = 'gallery';
		$this->label    = __( 'Gallery', 'acf' );
		$this->category = 'content';
		$this->defaults = array(
			'return_format' => 'array',
			'preview_size'  => 'medium',
			'insert'        => 'append',
			'library'       => 'all',
			'min'           => 0,
			'max'           => 0,
			'min_width'     => 0,
			'min_height'    => 0,
			'min_size'      => 0,
			'max_width'     => 0,
			'max_height'    => 0,
			'max_size'      => 0,
			'mime_types'    => '',
		);

		// actions
		add_action( 'wp_ajax_acf/fields/gallery/get_attachment', array( $this, 'ajax_get_attachment' ) );
		add_action( 'wp_ajax_nopriv_acf/fields/gallery/get_attachment', array( $this, 'ajax_get_attachment' ) );

		add_action( 'wp_ajax_acf/fields/gallery/update_attachment', array( $this, 'ajax_update_attachment' ) );
		add_action( 'wp_ajax_nopriv_acf/fields/gallery/update_attachment', array( $this, 'ajax_update_attachment' ) );

		add_action( 'wp_ajax_acf/fields/gallery/get_sort_order', array( $this, 'ajax_get_sort_order' ) );
		add_action( 'wp_ajax_nopriv_acf/fields/gallery/get_sort_order', array( $this, 'ajax_get_sort_order' ) );

	}

	/*
	*  input_admin_enqueue_scripts
	*
	*  description
	*
	*  @type    function
	*  @date    16/12/2015
	*  @since   5.3.2
	*
	*  @param   $post_id (int)
	*  @return  $post_id (int)
	*/

	function input_admin_enqueue_scripts() {

		// localize
		acf_localize_text(
			array(
				'Add Image to Gallery'      => __( 'Add Image to Gallery', 'acf' ),
				'Maximum selection reached' => __( 'Maximum selection reached', 'acf' ),
			)
		);
	}


	/*
	*  ajax_get_attachment
	*
	*  description
	*
	*  @type    function
	*  @date    13/12/2013
	*  @since   5.0.0
	*
	*  @param   $post_id (int)
	*  @return  $post_id (int)
	*/

	function ajax_get_attachment() {

		// Validate requrest.
		if ( ! acf_verify_ajax() ) {
			die();
		}

		// Get args.
		$args = acf_request_args(
			array(
				'id'        => 0,
				'field_key' => '',
			)
		);

		// Cast args.
		$args['id'] = (int) $args['id'];

		// Bail early if no id.
		if ( ! $args['id'] ) {
			die();
		}

		// Load field.
		$field = acf_get_field( $args['field_key'] );
		if ( ! $field ) {
			die();
		}

		// Render.
		$this->render_attachment( $args['id'], $field );
		die;
	}


	/*
	*  ajax_update_attachment
	*
	*  description
	*
	*  @type    function
	*  @date    13/12/2013
	*  @since   5.0.0
	*
	*  @param   $post_id (int)
	*  @return  $post_id (int)
	*/

	function ajax_update_attachment() {

		// validate nonce
		if ( ! wp_verify_nonce( $_POST['nonce'], 'acf_nonce' ) ) {

			wp_send_json_error();

		}

		// bail early if no attachments
		if ( empty( $_POST['attachments'] ) ) {

			wp_send_json_error();

		}

		// loop over attachments
		foreach ( $_POST['attachments'] as $id => $changes ) {

			if ( ! current_user_can( 'edit_post', $id ) ) {
				wp_send_json_error();
			}

			$post = get_post( $id, ARRAY_A );

			if ( 'attachment' != $post['post_type'] ) {
				wp_send_json_error();
			}

			if ( isset( $changes['title'] ) ) {
				$post['post_title'] = $changes['title'];
			}

			if ( isset( $changes['caption'] ) ) {
				$post['post_excerpt'] = $changes['caption'];
			}

			if ( isset( $changes['description'] ) ) {
				$post['post_content'] = $changes['description'];
			}

			if ( isset( $changes['alt'] ) ) {
				$alt = wp_unslash( $changes['alt'] );
				if ( $alt != get_post_meta( $id, '_wp_attachment_image_alt', true ) ) {
					$alt = wp_strip_all_tags( $alt, true );
					update_post_meta( $id, '_wp_attachment_image_alt', wp_slash( $alt ) );
				}
			}

			// save post
			wp_update_post( $post );

			/** This filter is documented in wp-admin/includes/media.php */
			// - seems off to run this filter AFTER the update_post function, but there is a reason
			// - when placed BEFORE, an empty post_title will be populated by WP
			// - this filter will still allow 3rd party to save extra image data!
			$post = apply_filters( 'attachment_fields_to_save', $post, $changes );

			// save meta
			acf_save_post( $id );

		}

		// return
		wp_send_json_success();

	}


	/*
	*  ajax_get_sort_order
	*
	*  description
	*
	*  @type    function
	*  @date    13/12/2013
	*  @since   5.0.0
	*
	*  @param   $post_id (int)
	*  @return  $post_id (int)
	*/

	function ajax_get_sort_order() {

		// vars
		$r     = array();
		$order = 'DESC';
		$args  = acf_parse_args(
			$_POST,
			array(
				'ids'       => 0,
				'sort'      => 'date',
				'field_key' => '',
				'nonce'     => '',
			)
		);

		// validate
		if ( ! wp_verify_nonce( $args['nonce'], 'acf_nonce' ) ) {

			wp_send_json_error();

		}

		// reverse
		if ( $args['sort'] == 'reverse' ) {

			$ids = array_reverse( $args['ids'] );

			wp_send_json_success( $ids );

		}

		if ( $args['sort'] == 'title' ) {

			$order = 'ASC';

		}

		// find attachments (DISTINCT POSTS)
		$ids = get_posts(
			array(
				'post_type'   => 'attachment',
				'numberposts' => -1,
				'post_status' => 'any',
				'post__in'    => $args['ids'],
				'order'       => $order,
				'orderby'     => $args['sort'],
				'fields'      => 'ids',
			)
		);

		// success
		if ( ! empty( $ids ) ) {

			wp_send_json_success( $ids );

		}

		// failure
		wp_send_json_error();

	}

	/**
	 * Renders the sidebar HTML shown when selecting an attachmemnt.
	 *
	 * @date    13/12/2013
	 * @since   5.0.0
	 *
	 * @param   int   $id The attachment ID.
	 * @param   array $field The field array.
	 * @return  void
	 */
	function render_attachment( $id, $field ) {
		// Load attachmenet data.
		$attachment = wp_prepare_attachment_for_js( $id );
		$compat     = get_compat_media_markup( $id );

		// Get attachment thumbnail (video).
		if ( isset( $attachment['thumb']['src'] ) ) {
			$thumb = $attachment['thumb']['src'];

			// Look for thumbnail size (image).
		} elseif ( isset( $attachment['sizes']['thumbnail']['url'] ) ) {
			$thumb = $attachment['sizes']['thumbnail']['url'];

			// Use url for svg.
		} elseif ( $attachment['type'] === 'image' ) {
			$thumb = $attachment['url'];

			// Default to icon.
		} else {
			$thumb = wp_mime_type_icon( $id );
		}

		// Get attachment dimensions / time / size.
		$dimensions = '';
		if ( $attachment['type'] === 'audio' ) {
			$dimensions = __( 'Length', 'acf' ) . ': ' . $attachment['fileLength'];
		} elseif ( ! empty( $attachment['width'] ) ) {
			$dimensions = $attachment['width'] . ' x ' . $attachment['height'];
		}
		if ( ! empty( $attachment['filesizeHumanReadable'] ) ) {
			$dimensions .= ' (' . $attachment['filesizeHumanReadable'] . ')';
		}

		?>
	<div class="acf-gallery-side-info">
		<img src="<?php echo esc_attr( $thumb ); ?>" alt="<?php echo esc_attr( $attachment['alt'] ); ?>" />
		<p class="filename"><strong><?php echo esc_html( $attachment['filename'] ); ?></strong></p>
		<p class="uploaded"><?php echo esc_html( $attachment['dateFormatted'] ); ?></p>
		<p class="dimensions"><?php echo esc_html( $dimensions ); ?></p>
		<p class="actions">
			<a href="#" class="acf-gallery-edit" data-id="<?php echo esc_attr( $id ); ?>"><?php _e( 'Edit', 'acf' ); ?></a>
			<a href="#" class="acf-gallery-remove" data-id="<?php echo esc_attr( $id ); ?>"><?php _e( 'Remove', 'acf' ); ?></a>
		</p>
	</div>
	<table class="form-table">
		<tbody>
			<?php

			// Render fields.
			$prefix = 'attachments[' . $id . ']';

			acf_render_field_wrap(
				array(
					// 'key'     => "{$field['key']}-title",
					'name'   => 'title',
					'prefix' => $prefix,
					'type'   => 'text',
					'label'  => __( 'Title', 'acf' ),
					'value'  => $attachment['title'],
				),
				'tr'
			);

				acf_render_field_wrap(
					array(
						// 'key'     => "{$field['key']}-caption",
						'name'   => 'caption',
						'prefix' => $prefix,
						'type'   => 'textarea',
						'label'  => __( 'Caption', 'acf' ),
						'value'  => $attachment['caption'],
					),
					'tr'
				);

				acf_render_field_wrap(
					array(
						// 'key'     => "{$field['key']}-alt",
						'name'   => 'alt',
						'prefix' => $prefix,
						'type'   => 'text',
						'label'  => __( 'Alt Text', 'acf' ),
						'value'  => $attachment['alt'],
					),
					'tr'
				);

				acf_render_field_wrap(
					array(
						// 'key'     => "{$field['key']}-description",
						'name'   => 'description',
						'prefix' => $prefix,
						'type'   => 'textarea',
						'label'  => __( 'Description', 'acf' ),
						'value'  => $attachment['description'],
					),
					'tr'
				);

			?>
		</tbody>
	</table>
		<?php

		// Display compat fields.
		echo $compat['item'];
	}

	/*
	*  render_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param   $field - an array holding all the field's data
	*
	*  @type    action
	*  @since   3.6
	*  @date    23/01/13
	*/

	function render_field( $field ) {

		// Enqueue uploader assets.
		acf_enqueue_uploader();

		// Control attributes.
		$attrs = array(
			'id'                => $field['id'],
			'class'             => "acf-gallery {$field['class']}",
			'data-library'      => $field['library'],
			'data-preview_size' => $field['preview_size'],
			'data-min'          => $field['min'],
			'data-max'          => $field['max'],
			'data-mime_types'   => $field['mime_types'],
			'data-insert'       => $field['insert'],
			'data-columns'      => 4,
		);

		// Set gallery height with deafult of 400px and minimum of 200px.
		$height         = acf_get_user_setting( 'gallery_height', 400 );
		$height         = max( $height, 200 );
		$attrs['style'] = "height:{$height}px";

		// Load attachments.
		$attachments = array();
		if ( $field['value'] ) {

			// Clean value into an array of IDs.
			$attachment_ids = array_map( 'intval', acf_array( $field['value'] ) );

			// Find posts in database (ensures all results are real).
			$posts = acf_get_posts(
				array(
					'post_type'              => 'attachment',
					'post__in'               => $attachment_ids,
					'update_post_meta_cache' => true,
					'update_post_term_cache' => false,
				)
			);

			// Load attatchment data for each post.
			$attachments = array_map( 'acf_get_attachment', $posts );
		}

		?>
<div <?php acf_esc_attr_e( $attrs ); ?>>
<input type="hidden" name="<?php echo esc_attr( $field['name'] ); ?>" value="" />
<div class="acf-gallery-main">
	<div class="acf-gallery-attachments">
		<?php if ( $attachments ) : ?>
			<?php
			foreach ( $attachments as $i => $attachment ) :

				// Vars
				$a_id       = $attachment['ID'];
				$a_title    = $attachment['title'];
				$a_type     = $attachment['type'];
				$a_filename = $attachment['filename'];
				$a_class    = "acf-gallery-attachment -{$a_type}";

				// Get thumbnail.
				$a_thumbnail = acf_get_post_thumbnail( $a_id, $field['preview_size'] );
				$a_class    .= ( $a_thumbnail['type'] === 'icon' ) ? ' -icon' : '';

				?>
				<div class="<?php echo esc_attr( $a_class ); ?>" data-id="<?php echo esc_attr( $a_id ); ?>">
					<input type="hidden" name="<?php echo esc_attr( $field['name'] ); ?>[]" value="<?php echo esc_attr( $a_id ); ?>" />
					<div class="margin">
						<div class="thumbnail">
							<img src="<?php echo esc_url( $a_thumbnail['url'] ); ?>" alt="" />
						</div>
						<?php if ( $a_type !== 'image' ) : ?>
							<div class="filename"><?php echo acf_get_truncated( $a_filename, 30 ); ?></div>	
						<?php endif; ?>
					</div>
					<div class="actions">
						<a class="acf-icon -cancel dark acf-gallery-remove" href="#" data-id="<?php echo esc_attr( $a_id ); ?>" title="<?php _e( 'Remove', 'acf' ); ?>"></a>
					</div>
				</div>
			<?php endforeach; ?>
		<?php endif; ?>
	</div>
	<div class="acf-gallery-toolbar">
		<ul class="acf-hl">
			<li>
				<a href="#" class="acf-button button button-primary acf-gallery-add"><?php _e( 'Add to gallery', 'acf' ); ?></a>
			</li>
			<li class="acf-fr">
				<select class="acf-gallery-sort">
					<option value=""><?php _e( 'Bulk actions', 'acf' ); ?></option>
					<option value="date"><?php _e( 'Sort by date uploaded', 'acf' ); ?></option>
					<option value="modified"><?php _e( 'Sort by date modified', 'acf' ); ?></option>
					<option value="title"><?php _e( 'Sort by title', 'acf' ); ?></option>
					<option value="reverse"><?php _e( 'Reverse current order', 'acf' ); ?></option>
				</select>
			</li>
		</ul>
	</div>
</div>
<div class="acf-gallery-side">
	<div class="acf-gallery-side-inner">
		<div class="acf-gallery-side-data"></div>
		<div class="acf-gallery-toolbar">
			<ul class="acf-hl">
				<li>
					<a href="#" class="acf-button button acf-gallery-close"><?php _e( 'Close', 'acf' ); ?></a>
				</li>
				<li class="acf-fr">
					<a class="acf-button button button-primary acf-gallery-update" href="#"><?php _e( 'Update', 'acf' ); ?></a>
				</li>
			</ul>
		</div>
	</div>	
</div>
</div>
		<?php

	}


	/*
	*  render_field_settings()
	*
	*  Create extra options for your field. This is rendered when editing a field.
	*  The value of $field['name'] can be used (like bellow) to save extra data to the $field
	*
	*  @type    action
	*  @since   3.6
	*  @date    23/01/13
	*
	*  @param   $field  - an array holding all the field's data
	*/

	function render_field_settings( $field ) {

		// clear numeric settings
		$clear = array(
			'min',
			'max',
			'min_width',
			'min_height',
			'min_size',
			'max_width',
			'max_height',
			'max_size',
		);

		foreach ( $clear as $k ) {

			if ( empty( $field[ $k ] ) ) {
				$field[ $k ] = '';
			}
		}

		// return_format
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Return Format', 'acf' ),
				'instructions' => '',
				'type'         => 'radio',
				'name'         => 'return_format',
				'layout'       => 'horizontal',
				'choices'      => array(
					'array' => __( 'Image Array', 'acf' ),
					'url'   => __( 'Image URL', 'acf' ),
					'id'    => __( 'Image ID', 'acf' ),
				),
			)
		);

		// preview_size
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Preview Size', 'acf' ),
				'instructions' => '',
				'type'         => 'select',
				'name'         => 'preview_size',
				'choices'      => acf_get_image_sizes(),
			)
		);

		// insert
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Insert', 'acf' ),
				'instructions' => __( 'Specify where new attachments are added', 'acf' ),
				'type'         => 'select',
				'name'         => 'insert',
				'choices'      => array(
					'append'  => __( 'Append to the end', 'acf' ),
					'prepend' => __( 'Prepend to the beginning', 'acf' ),
				),
			)
		);

		// library
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Library', 'acf' ),
				'instructions' => __( 'Limit the media library choice', 'acf' ),
				'type'         => 'radio',
				'name'         => 'library',
				'layout'       => 'horizontal',
				'choices'      => array(
					'all'        => __( 'All', 'acf' ),
					'uploadedTo' => __( 'Uploaded to post', 'acf' ),
				),
			)
		);

		// min
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Minimum Selection', 'acf' ),
				'instructions' => '',
				'type'         => 'number',
				'name'         => 'min',
			)
		);

		// max
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Maximum Selection', 'acf' ),
				'instructions' => '',
				'type'         => 'number',
				'name'         => 'max',
			)
		);

		// min
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Minimum', 'acf' ),
				'instructions' => __( 'Restrict which images can be uploaded', 'acf' ),
				'type'         => 'text',
				'name'         => 'min_width',
				'prepend'      => __( 'Width', 'acf' ),
				'append'       => 'px',
			)
		);

		acf_render_field_setting(
			$field,
			array(
				'label'   => '',
				'type'    => 'text',
				'name'    => 'min_height',
				'prepend' => __( 'Height', 'acf' ),
				'append'  => 'px',
				'_append' => 'min_width',
			)
		);

		acf_render_field_setting(
			$field,
			array(
				'label'   => '',
				'type'    => 'text',
				'name'    => 'min_size',
				'prepend' => __( 'File size', 'acf' ),
				'append'  => 'MB',
				'_append' => 'min_width',
			)
		);

		// max
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Maximum', 'acf' ),
				'instructions' => __( 'Restrict which images can be uploaded', 'acf' ),
				'type'         => 'text',
				'name'         => 'max_width',
				'prepend'      => __( 'Width', 'acf' ),
				'append'       => 'px',
			)
		);

		acf_render_field_setting(
			$field,
			array(
				'label'   => '',
				'type'    => 'text',
				'name'    => 'max_height',
				'prepend' => __( 'Height', 'acf' ),
				'append'  => 'px',
				'_append' => 'max_width',
			)
		);

		acf_render_field_setting(
			$field,
			array(
				'label'   => '',
				'type'    => 'text',
				'name'    => 'max_size',
				'prepend' => __( 'File size', 'acf' ),
				'append'  => 'MB',
				'_append' => 'max_width',
			)
		);

		// allowed type
		acf_render_field_setting(
			$field,
			array(
				'label'        => __( 'Allowed file types', 'acf' ),
				'instructions' => __( 'Comma separated list. Leave blank for all types', 'acf' ),
				'type'         => 'text',
				'name'         => 'mime_types',
			)
		);
	}


	/*
	*  format_value()
	*
	*  This filter is appied to the $value after it is loaded from the db and before it is returned to the template
	*
	*  @type    filter
	*  @since   3.6
	*  @date    23/01/13
	*
	*  @param   $value (mixed) the value which was loaded from the database
	*  @param   $post_id (mixed) the $post_id from which the value was loaded
	*  @param   $field (array) the field array holding all the field options
	*
	*  @return  $value (mixed) the modified value
	*/

	function format_value( $value, $post_id, $field ) {

		// Bail early if no value.
		if ( ! $value ) {
			return false;
		}

		// Clean value into an array of IDs.
		$attachment_ids = array_map( 'intval', acf_array( $value ) );

		// Find posts in database (ensures all results are real).
		$posts = acf_get_posts(
			array(
				'post_type'              => 'attachment',
				'post__in'               => $attachment_ids,
				'update_post_meta_cache' => true,
				'update_post_term_cache' => false,
			)
		);

		// Bail early if no posts found.
		if ( ! $posts ) {
			return false;
		}

		// Format values using field settings.
		$value = array();
		foreach ( $posts as $post ) {

			// Return object.
			if ( $field['return_format'] == 'object' ) {
				$item = $post;

				// Return array.
			} elseif ( $field['return_format'] == 'array' ) {
				$item = acf_get_attachment( $post );

				// Return URL.
			} elseif ( $field['return_format'] == 'url' ) {
				$item = wp_get_attachment_url( $post->ID );

				// Return ID.
			} else {
				$item = $post->ID;
			}

			// Append item.
			$value[] = $item;
		}

		// Return.
		return $value;
	}


	/*
	*  validate_value
	*
	*  description
	*
	*  @type    function
	*  @date    11/02/2014
	*  @since   5.0.0
	*
	*  @param   $post_id (int)
	*  @return  $post_id (int)
	*/

	function validate_value( $valid, $value, $field, $input ) {

		if ( empty( $value ) || ! is_array( $value ) ) {

			$value = array();

		}

		if ( count( $value ) < $field['min'] ) {

			$valid = _n( '%1$s requires at least %2$s selection', '%1$s requires at least %2$s selections', $field['min'], 'acf' );
			$valid = sprintf( $valid, $field['label'], $field['min'] );

		}

		return $valid;

	}


	/*
	*  update_value()
	*
	*  This filter is appied to the $value before it is updated in the db
	*
	*  @type    filter
	*  @since   3.6
	*  @date    23/01/13
	*
	*  @param   $value - the value which will be saved in the database
	*  @param   $post_id - the $post_id of which the value will be saved
	*  @param   $field - the field array holding all the field options
	*
	*  @return  $value - the modified value
	*/

	function update_value( $value, $post_id, $field ) {

		// Bail early if no value.
		if ( empty( $value ) ) {
			return $value;
		}

		// Convert to array.
		$value = acf_array( $value );

		// Format array of values.
		// - ensure each value is an id.
		// - Parse each id as string for SQL LIKE queries.
		$value = array_map( 'acf_idval', $value );
		$value = array_map( 'strval', $value );

		// Return value.
		return $value;

	}
}