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Filename : admin-field-group.php
back
<?php
/**
 * ACF Admin Field Group Class
 *
 *  @class       acf_admin_field_group
 *
 *  @package     ACF
 *  @subpackage  Admin
 */

if ( ! class_exists( 'acf_admin_field_group' ) ) {

	/**
	 *  ACF Admin Field Group Class
	 *
	 *  All the logic for editing a field group
	 */
	class acf_admin_field_group {


		/**
		 * This function will setup the class functionality
		 *
		 * @since   5.0.0
		 *
		 * @return  void
		 */
		public function __construct() {

			// actions.
			add_action( 'current_screen', array( $this, 'current_screen' ) );
			add_action( 'save_post', array( $this, 'save_post' ), 10, 2 );

			// ajax.
			add_action( 'wp_ajax_acf/field_group/render_field_settings', array( $this, 'ajax_render_field_settings' ) );
			add_action( 'wp_ajax_acf/field_group/render_location_rule', array( $this, 'ajax_render_location_rule' ) );
			add_action( 'wp_ajax_acf/field_group/move_field', array( $this, 'ajax_move_field' ) );

			// filters.
			add_filter( 'post_updated_messages', array( $this, 'post_updated_messages' ) );
			add_filter( 'use_block_editor_for_post_type', array( $this, 'use_block_editor_for_post_type' ), 10, 2 );
		}

		/**
		 * Prevents the block editor from loading when editing an ACF field group.
		 *
		 * @since   5.8.0
		 *
		 * @param   bool   $use_block_editor Whether the post type can be edited or not. Default true.
		 * @param   string $post_type The post type being checked.
		 * @return  bool
		 */
		public function use_block_editor_for_post_type( $use_block_editor, $post_type ) {
			if ( $post_type === 'acf-field-group' ) {
				return false;
			}
			return $use_block_editor;
		}

		/**
		 *  This function will customize the message shown when editing a field group
		 *
		 *  @since   5.0.0
		 *
		 *  @param   array $messages Post type messages.
		 *  @return  $messages
		 */
		public function post_updated_messages( $messages ) {

			// append to messages.
			$messages['acf-field-group'] = array(
				0  => '', // Unused. Messages start at index 1.
				1  => __( 'Field group updated.', 'acf' ),
				2  => __( 'Field group updated.', 'acf' ),
				3  => __( 'Field group deleted.', 'acf' ),
				4  => __( 'Field group updated.', 'acf' ),
				5  => false, // field group does not support revisions.
				6  => __( 'Field group published.', 'acf' ),
				7  => __( 'Field group saved.', 'acf' ),
				8  => __( 'Field group submitted.', 'acf' ),
				9  => __( 'Field group scheduled for.', 'acf' ),
				10 => __( 'Field group draft updated.', 'acf' ),
			);

			// return.
			return $messages;
		}


		/**
		 *  This function is fired when loading the admin page before HTML has been rendered.
		 *
		 *  @since   5.0.0
		 *
		 *  @return void
		 */
		public function current_screen() {

			// validate screen.
			if ( ! acf_is_screen( 'acf-field-group' ) ) {
				return;
			}

			// disable filters to ensure ACF loads raw data from DB.
			acf_disable_filters();

			// enqueue scripts.
			acf_enqueue_scripts();

			// actions.
			add_action( 'admin_body_class', array( $this, 'admin_body_class' ) );
			add_action( 'acf/input/admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );
			add_action( 'acf/input/admin_head', array( $this, 'admin_head' ) );
			add_action( 'acf/input/form_data', array( $this, 'form_data' ) );
			add_action( 'acf/input/admin_footer', array( $this, 'admin_footer' ) );

			// filters.
			add_filter( 'acf/input/admin_l10n', array( $this, 'admin_l10n' ) );
		}

		/**
		 * Modifies the admin body class.
		 *
		 * @since   6.0.0
		 *
		 * @param   string $classes Space-separated list of CSS classes.
		 * @return  string
		 */
		public function admin_body_class( $classes ) {
			$classes .= ' acf-admin-single-field-group';
			return $classes;
		}


		/**
		 *  This action is run after post query but before any admin script / head actions.
		 *  It is a good place to register all actions.
		 *
		 *  @since   5.0.0
		 *
		 *  @return  void
		 */
		public function admin_enqueue_scripts() {

			// no autosave.
			wp_dequeue_script( 'autosave' );

			// custom scripts.
			wp_enqueue_style( 'acf-field-group' );
			wp_enqueue_script( 'acf-field-group' );

			// localize text.
			acf_localize_text(
				array(
					'The string "field_" may not be used at the start of a field name' => __( 'The string "field_" may not be used at the start of a field name', 'acf' ),
					'This field cannot be moved until its changes have been saved' => __( 'This field cannot be moved until its changes have been saved', 'acf' ),
					'Field group title is required' => __( 'Field group title is required', 'acf' ),
					'Move field group to trash?'    => __( 'Move field group to trash?', 'acf' ),
					'No toggle fields available'    => __( 'No toggle fields available', 'acf' ),
					'Move Custom Field'             => __( 'Move Custom Field', 'acf' ),
					'Close modal'                   => __( 'Close modal', 'acf' ),
					'Field moved to other group'    => __( 'Field moved to other group', 'acf' ),
					'Checked'                       => __( 'Checked', 'acf' ),
					'(no label)'                    => __( '(no label)', 'acf' ),
					'(this field)'                  => __( '(this field)', 'acf' ),
					'copy'                          => __( 'copy', 'acf' ),
					'or'                            => __( 'or', 'acf' ),
					'Show this field group if'      => __( 'Show this field group if', 'acf' ),
					'Null'                          => __( 'Null', 'acf' ),

					// Conditions.
					'Has any value'                 => __( 'Has any value', 'acf' ),
					'Has no value'                  => __( 'Has no value', 'acf' ),
					'Value is equal to'             => __( 'Value is equal to', 'acf' ),
					'Value is not equal to'         => __( 'Value is not equal to', 'acf' ),
					'Value matches pattern'         => __( 'Value matches pattern', 'acf' ),
					'Value contains'                => __( 'Value contains', 'acf' ),
					'Value is greater than'         => __( 'Value is greater than', 'acf' ),
					'Value is less than'            => __( 'Value is less than', 'acf' ),
					'Selection is greater than'     => __( 'Selection is greater than', 'acf' ),
					'Selection is less than'        => __( 'Selection is less than', 'acf' ),

					// Pro-only fields.
					'Repeater (Pro only)'           => __( 'Repeater (Pro only)', 'acf' ),
					'Flexibly Content (Pro only)'   => __( 'Flexible Content (Pro only)', 'acf' ),
					'Clone (Pro only)'              => __( 'Clone (Pro only)', 'acf' ),
					'Gallery (Pro only)'            => __( 'Gallery (Pro only)', 'acf' ),
				)
			);

			// localize data.
			acf_localize_data(
				array(
					'fieldTypes' => acf_get_field_types_info(),
				)
			);

			// 3rd party hook.
			do_action( 'acf/field_group/admin_enqueue_scripts' );

		}


		/**
		 *  This function will setup all functionality for the field group edit page to work
		 *
		 *  @since   3.1.8
		 *
		 *  @return  void
		 */
		public function admin_head() {

			// global.
			global $post, $field_group;

			// set global var.
			$field_group = acf_get_field_group( $post->ID );

			// metaboxes.
			add_meta_box( 'acf-field-group-fields', __( 'Fields', 'acf' ), array( $this, 'mb_fields' ), 'acf-field-group', 'normal', 'high' );
			if ( ! defined( 'ACF_PRO' ) || ! ACF_PRO ) {
				add_meta_box( 'acf-field-group-pro-features', 'ACF PRO', array( $this, 'mb_pro_features' ), 'acf-field-group', 'normal', 'high' );
			}
			add_meta_box( 'acf-field-group-options', __( 'Settings', 'acf' ), array( $this, 'mb_options' ), 'acf-field-group', 'normal', 'high' );

			// actions.
			add_action( 'post_submitbox_misc_actions', array( $this, 'post_submitbox_misc_actions' ), 10, 0 );
			add_action( 'edit_form_after_title', array( $this, 'edit_form_after_title' ), 10, 0 );

			// filters.
			add_filter( 'screen_settings', array( $this, 'screen_settings' ), 10, 1 );
			add_filter( 'get_user_option_screen_layout_acf-field-group', array( $this, 'screen_layout' ), 10, 1 );

			// 3rd party hook.
			do_action( 'acf/field_group/admin_head' );

		}


		/**
		 *  This action will allow ACF to render metaboxes after the title
		 *
		 *  @date    17/08/13
		 *
		 *  @return void
		 */
		public function edit_form_after_title() {

			// globals.
			global $post;

			// render post data.
			acf_form_data(
				array(
					'screen'        => 'field_group',
					'post_id'       => $post->ID,
					'delete_fields' => 0,
					'validation'    => 0,
				)
			);

		}


		/**
		 * This function will add extra HTML to the acf form data element
		 *
		 *  @since   5.3.8
		 *
		 *  @param array $args Arguments array to pass through to action.
		 *  @return void
		 */
		public function form_data( $args ) {

			// do action.
			do_action( 'acf/field_group/form_data', $args );

		}


		/**
		 * This function will append extra l10n strings to the acf JS object
		 *
		 *  @since   5.3.8
		 *
		 *  @param   array $l10n The array of translated strings.
		 *  @return  $l10n
		 */
		public function admin_l10n( $l10n ) {
			return apply_filters( 'acf/field_group/admin_l10n', $l10n );
		}



		/**
		 * Admin footer third party hook support
		 *
		 * @since   5.3.2
		 *
		 * @return void
		 */
		public function admin_footer() {

			// 3rd party hook
			do_action( 'acf/field_group/admin_footer' );

		}


		/**
		 *  Screen settings html output
		 *
		 *  @since   3.6.0
		 *
		 *  @param   string $html Current screen settings HTML.
		 *  @return  string $html
		 */
		public function screen_settings( $html ) {

			// vars.
			$checked = acf_get_user_setting( 'show_field_keys' ) ? 'checked="checked"' : '';

			// append.
			$html .= '<div id="acf-append-show-on-screen" class="acf-hidden">';
			$html .= '<label for="acf-field-key-hide"><input id="acf-field-key-hide" type="checkbox" value="1" name="show_field_keys" ' . $checked . ' /> ' . __( 'Field Keys', 'acf' ) . '</label>';
			$html .= '</div>';

			// return.
			return $html;

		}

		/**
		 * Sets the "Edit Field Group" screen to use a one-column layout.
		 *
		 * @param int $columns Number of columns for layout.
		 *
		 * @return int
		 */
		public function screen_layout( $columns = 0 ) {
			return 1;
		}

		/**
		 *  This function will customize the publish metabox
		 *
		 *  @since   5.2.9
		 *
		 *  @return void
		 */
		public function post_submitbox_misc_actions() {
			global $field_group;
			$status_label = $field_group['active'] ? _x( 'Active', 'post status', 'acf' ) : _x( 'Inactive', 'post status', 'acf' );

			?>
			<script type="text/javascript">
			(function($) {
				$('#post-status-display').html( '<?php echo esc_html( $status_label ); ?>' );
			})(jQuery);
			</script>
			<?php
		}


		/**
		 * This function will save all the field group data
		 *
		 *  @since   1.0.0
		 *
		 *  @param int     $post_id The post ID.
		 *  @param WP_Post $post The post object.
		 *
		 *  @return $post_id (int)
		 */
		public function save_post( $post_id, $post ) {

			// do not save if this is an auto save routine.
			if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
				return $post_id;
			}

			// bail early if not acf-field-group.
			if ( $post->post_type !== 'acf-field-group' ) {
				return $post_id;
			}

			// only save once! WordPress save's a revision as well.
			if ( wp_is_post_revision( $post_id ) ) {
				return $post_id;
			}

			// verify nonce.
			if ( ! acf_verify_nonce( 'field_group' ) ) {
				return $post_id;
			}

			// Bail early if request came from an unauthorised user.
			if ( ! current_user_can( acf_get_setting( 'capability' ) ) ) {
				return $post_id;
			}

			// disable filters to ensure ACF loads raw data from DB.
			acf_disable_filters();

			// save fields.
			if ( ! empty( $_POST['acf_fields'] ) ) {

				// loop.
				foreach ( $_POST['acf_fields'] as $field ) {

					if ( ! isset( $field['key'] ) ) {
						continue;
					}

					// vars.
					$specific = false;
					$save     = acf_extract_var( $field, 'save' );

					// only saved field if has changed.
					if ( $save == 'meta' ) {
						$specific = array(
							'menu_order',
							'post_parent',
						);
					}

					// set parent.
					if ( ! $field['parent'] ) {
						$field['parent'] = $post_id;
					}

					// save field.
					acf_update_field( $field, $specific );
				}
			}

			// delete fields.
			if ( $_POST['_acf_delete_fields'] ) {

				// clean.
				$ids = explode( '|', $_POST['_acf_delete_fields'] );
				$ids = array_map( 'intval', $ids );

				// loop.
				foreach ( $ids as $id ) {

					// bai early if no id.
					if ( ! $id ) {
						continue;
					}

					// delete.
					acf_delete_field( $id );

				}
			}

			// add args.
			$_POST['acf_field_group']['ID']    = $post_id;
			$_POST['acf_field_group']['title'] = $_POST['post_title'];

			// save field group.
			acf_update_field_group( $_POST['acf_field_group'] );

			// return.
			return $post_id;
		}


		/**
		 *  This function will render the HTML for the medtabox 'acf-field-group-fields'
		 *
		 *  @since   5.0.0
		 *
		 *  @return  void
		 */
		public function mb_fields() {

			// global.
			global $field_group;

			// get fields.
			$view = array(
				'fields' => acf_get_fields( $field_group ),
				'parent' => 0,
			);

			// load view.
			acf_get_view( 'field-group-fields', $view );

		}


		/**
		 * This function will render the HTML for the metabox 'acf-field-group-pro-features'
		 *
		 * @since 6.0.0
		 *
		 * @return void
		 */
		public function mb_pro_features() {

			// load view.
			acf_get_view( 'field-group-pro-features' );
		}


		/**
		 * This function will render the HTML for the metabox 'acf-field-group-options'
		 *
		 *  @since   5.0.0
		 *
		 *  @return void
		 */
		public function mb_options() {

			// global.
			global $field_group;

			// field key (leave in for compatibility).
			if ( ! acf_is_field_group_key( $field_group['key'] ) ) {

				$field_group['key'] = uniqid( 'group_' );

			}

			// view.
			acf_get_view( 'field-group-options' );

		}

		/**
		 * This function can be accessed via an AJAX action and will return the result from the render_location_value function
		 *
		 * @since   5.0.0
		 *
		 * @return void
		 */
		public function ajax_render_location_rule() {

			// validate.
			if ( ! acf_verify_ajax() ) {
				die();
			}

			// verify user capability.
			if ( ! acf_current_user_can_admin() ) {
				die();
			}

			// validate rule.
			$rule = acf_validate_location_rule( $_POST['rule'] );

			// view.
			acf_get_view(
				'html-location-rule',
				array(
					'rule' => $rule,
				)
			);

			// die.
			die();
		}

		/**
		 * This function will return HTML containing the field's settings based on it's new type
		 *
		 * @since   5.0.0
		 *
		 * @return void
		 */
		public function ajax_render_field_settings() {
			// Verify the current request.
			if ( ! acf_verify_ajax() || ! acf_current_user_can_admin() ) {
				wp_send_json_error();
			}

			// Make sure we have a field.
			$field = acf_maybe_get_POST( 'field' );
			if ( ! $field ) {
				wp_send_json_error();
			}

			$field['prefix'] = acf_maybe_get_POST( 'prefix' );
			$field           = acf_get_valid_field( $field );

			$tabs = array(
				'general'           => '',
				'validation'        => '',
				'presentation'      => '',
				'conditional_logic' => '',
			);

			foreach ( $tabs as $tab => $content ) {
				ob_start();

				if ( 'general' === $tab ) {
					// Back-compat for fields not using tab-specific hooks.
					do_action( "acf/render_field_settings/type={$field['type']}", $field );
				}

				do_action( "acf/render_field_{$tab}_settings/type={$field['type']}", $field );

				$sections[ $tab ] = ob_get_clean();
			}

			wp_send_json_success( $sections );
		}

		/**
		 *  Move field AJAX function
		 *
		 *  @since   5.0.0
		 *
		 *  @return  void No return, HTML output for AJAX consumption.
		 */
		public function ajax_move_field() {

			// disable filters to ensure ACF loads raw data from DB.
			acf_disable_filters();

			$args = acf_parse_args(
				//phpcs:ignore WordPress.Security.NonceVerification.Missing
				$_POST,
				array(
					'nonce'          => '',
					'post_id'        => 0,
					'field_id'       => 0,
					'field_group_id' => 0,
				)
			);

			// verify nonce.
			if ( ! wp_verify_nonce( $args['nonce'], 'acf_nonce' ) ) {
				die();
			}

			// verify user capability.
			if ( ! acf_current_user_can_admin() ) {
				die();
			}

			// confirm?
			if ( $args['field_id'] && $args['field_group_id'] ) {

				// vars.
				$field       = acf_get_field( $args['field_id'] );
				$field_group = acf_get_field_group( $args['field_group_id'] );

				// update parent.
				$field['parent'] = $field_group['ID'];

				// remove conditional logic.
				$field['conditional_logic'] = 0;

				// update field.
				acf_update_field( $field );

				// Output HTML.
				$link = '<a href="' . admin_url( 'post.php?post=' . $field_group['ID'] . '&action=edit' ) . '" target="_blank">' . esc_html( $field_group['title'] ) . '</a>';

				echo '' .
					'<p><strong>' . __( 'Move Complete.', 'acf' ) . '</strong></p>' .
					'<p>' . sprintf(
						/* translators: Confirmation message once a field has been moved to a different field group. */
						acf_punctify( __( 'The %1$s field can now be found in the %2$s field group', 'acf' ) ),
						esc_html( $field['label'] ),
						$link  //phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
					) . '</p>' .
					'<a href="#" class="button button-primary acf-close-popup">' . __( 'Close Modal', 'acf' ) . '</a>';
				die();
			}

			// get all field groups.
			$field_groups = acf_get_field_groups();
			$choices      = array();

			// check.
			if ( ! empty( $field_groups ) ) {

				// loop.
				foreach ( $field_groups as $field_group ) {

					// bail early if no ID.
					if ( ! $field_group['ID'] ) {
						continue;
					}

					// bail early if is current.
					if ( $field_group['ID'] == $args['post_id'] ) {
						continue;
					}

					$choices[ $field_group['ID'] ] = $field_group['title'];

				}
			}

			// render options.
			$field = acf_get_valid_field(
				array(
					'type'       => 'select',
					'name'       => 'acf_field_group',
					'choices'    => $choices,
					'aria-label' => __( 'Please select the destination for this field', 'acf' ),
				)
			);

			echo '<p>' . __( 'Please select the destination for this field', 'acf' ) . '</p>';

			echo '<form id="acf-move-field-form">';

				// render.
				acf_render_field_wrap( $field );

				echo '<button type="submit" class="acf-btn">' . __( 'Move Field', 'acf' ) . '</button>';

			echo '</form>';

			// die.
			die();

		}

	}

	// initialize.
	new acf_admin_field_group();

}

?>