<?php 



if( !class_exists('acf_pro') ):



class acf_pro {

	

	/*

	*  __construct

	*

	*  

	*

	*  @type	function

	*  @date	23/06/12

	*  @since	5.0.0

	*

	*  @param	N/A

	*  @return	N/A

	*/

	

	function __construct() {

		

		// update setting

		acf_update_setting( 'pro', true );

		acf_update_setting( 'name', __('Advanced Custom Fields PRO', 'acf') );

		



		// api

		acf_include('pro/api/api-pro.php');

		acf_include('pro/api/api-options-page.php');

		

		

		// updates

		acf_include('pro/core/updates.php');

			

			

		// admin

		if( is_admin() ) {

			

			// options page

			acf_include('pro/admin/options-page.php');

			

			// settings

			acf_include('pro/admin/settings-updates.php');

			

		}

		

		

		// actions

		add_action('init',										array($this, 'register_assets'));

		add_action('acf/include_field_types',					array($this, 'include_field_types'), 5);

		add_action('acf/input/admin_enqueue_scripts',			array($this, 'input_admin_enqueue_scripts'));

		add_action('acf/field_group/admin_enqueue_scripts',		array($this, 'field_group_admin_enqueue_scripts'));

		add_action('acf/field_group/admin_l10n',				array($this, 'field_group_admin_l10n'));

		

		

		// filters

		add_filter('acf/get_valid_field',						array($this, 'get_valid_field'), 11, 1);

		add_filter('acf/prepare_field_for_export', 				array($this, 'prepare_field_for_export'));

		add_filter('acf/prepare_field_for_import', 				array($this, 'prepare_field_for_import'));

		

	}

	

	

	/*

	*  include_field_types

	*

	*  description

	*

	*  @type	function

	*  @date	21/10/2015

	*  @since	5.2.3

	*

	*  @param	$post_id (int)

	*  @return	$post_id (int)

	*/

	

	function include_field_types() {

		

		acf_include('pro/fields/repeater.php');

		acf_include('pro/fields/flexible-content.php');

		acf_include('pro/fields/gallery.php');

		

	}

	

	

	/*

	*  get_valid_field

	*

	*  This function will provide compatibility with ACF4 fields

	*

	*  @type	function

	*  @date	23/04/2014

	*  @since	5.0.0

	*

	*  @param	$field (array)

	*  @return	$field

	*/

	

	function get_valid_field( $field ) {

		

		// extract old width

		$width = acf_extract_var( $field, 'column_width' );

		

		

		// if old width, update the new width

		if( $width ) {

			

			$field['wrapper']['width'] = $width;

		}

		

		

		// return

		return $field;

		

	}

	

	

	/*

	*  register_assets

	*

	*  description

	*

	*  @type	function

	*  @date	4/11/2013

	*  @since	5.0.0

	*

	*  @param	$post_id (int)

	*  @return	$post_id (int)

	*/

	

	function register_assets() {

		

		// min

		$min = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';

		

		

		// register scripts

		wp_register_script( 'acf-pro-input', acf_get_dir( "pro/assets/js/acf-pro-input{$min}.js" ), false, acf_get_setting('version') );

		wp_register_script( 'acf-pro-field-group', acf_get_dir( "pro/assets/js/acf-pro-field-group{$min}.js" ), false, acf_get_setting('version') );

		

		

		// register styles

		wp_register_style( 'acf-pro-input', acf_get_dir( 'pro/assets/css/acf-pro-input.css' ), false, acf_get_setting('version') ); 

		wp_register_style( 'acf-pro-field-group', acf_get_dir( 'pro/assets/css/acf-pro-field-group.css' ), false, acf_get_setting('version') ); 

		

	}

	

	

	/*

	*  input_admin_enqueue_scripts

	*

	*  description

	*

	*  @type	function

	*  @date	4/11/2013

	*  @since	5.0.0

	*

	*  @param	$post_id (int)

	*  @return	$post_id (int)

	*/

	

	function input_admin_enqueue_scripts() {

		

		// scripts

		wp_enqueue_script('acf-pro-input');

	

	

		// styles

		wp_enqueue_style('acf-pro-input');

		

	}

	

	

	/*

	*  field_group_admin_l10n

	*

	*  description

	*

	*  @type	function

	*  @date	1/05/2014

	*  @since	5.0.0

	*

	*  @param	$post_id (int)

	*  @return	$post_id (int)

	*/

	

	function field_group_admin_l10n( $l10n ) {

		

		// append

		$l10n['flexible_content'] = array(

			'layout_warning' => __('Flexible Content requires at least 1 layout','acf')

		);

		

		

		// return

		return $l10n;

	}

	

	

	/*

	*  field_group_admin_enqueue_scripts

	*

	*  description

	*

	*  @type	function

	*  @date	4/11/2013

	*  @since	5.0.0

	*

	*  @param	$post_id (int)

	*  @return	$post_id (int)

	*/

	

	function field_group_admin_enqueue_scripts() {

		

		// scripts

		wp_enqueue_script('acf-pro-field-group');

	

	

		// styles

		wp_enqueue_style('acf-pro-field-group');

		

	}

	

	

	

	/*

	*  prepare_field_for_export

	*

	*  description

	*

	*  @type	function

	*  @date	11/03/2014

	*  @since	5.0.0

	*

	*  @param	$post_id (int)

	*  @return	$post_id (int)

	*/

	

	function prepare_field_for_export( $field ) {

		

		// sub field (parent_layout)

		acf_extract_var( $field, 'parent_layout');

		

		

		// repeater

		if( $field['type'] == 'repeater' ) {

			

			$field['sub_fields'] = acf_prepare_fields_for_export( $field['sub_fields'] );

		

		// flexible content

		} elseif( $field['type'] == 'flexible_content' ) {

			

			foreach( $field['layouts'] as $l => $layout ) {

				

				$field['layouts'][ $l ]['sub_fields'] = acf_prepare_fields_for_export( $layout['sub_fields'] );

			

			}



		}

		

		

		// return

		return $field;

		

	}

	

	

	/*

	*  prepare_field_for_import

	*

	*  description

	*

	*  @type	function

	*  @date	11/03/2014

	*  @since	5.0.0

	*

	*  @param	$post_id (int)

	*  @return	$post_id (int)

	*/

	

	function prepare_field_for_import( $field ) {

		

		// var

		$extra = array();

		

		

		// sub fields

		if( $field['type'] == 'repeater' ) {

			

			// extract sub fields

			$sub_fields = acf_extract_var( $field, 'sub_fields');

			

			

			// reset field setting

			$field['sub_fields'] = array();

			

			

			if( !empty($sub_fields) ) {

			

				foreach( array_keys($sub_fields) as $i ) {

					

					// extract sub field

					$sub_field = acf_extract_var( $sub_fields, $i );

							

					

					// attributes

					$sub_field['parent'] = $field['key'];

					

					

					// append to extra

					$extra[] = $sub_field;

					

				}

				

			}

			

		} elseif( $field['type'] == 'flexible_content' ) {

			

			// extract layouts

			$layouts = acf_extract_var( $field, 'layouts');

			

			

			// reset field setting

			$field['layouts'] = array();

			

			

			// validate layouts

			if( !empty($layouts) ) {

				

				// loop over layouts

				foreach( array_keys($layouts) as $i ) {

					

					// extract layout

					$layout = acf_extract_var( $layouts, $i );

					

					

					// get valid layout (fixes ACF4 export code bug undefined index 'key')

					if( empty($layout['key']) ) {

						

						$layout['key'] = uniqid();

						

					}

					

					

					// extract sub fields

					$sub_fields = acf_extract_var( $layout, 'sub_fields');

					

					

					// validate sub fields

					if( !empty($sub_fields) ) {

						

						// loop over sub fields

						foreach( array_keys($sub_fields) as $j ) {

							

							// extract sub field

							$sub_field = acf_extract_var( $sub_fields, $j );

							

							

							// attributes

							$sub_field['parent'] = $field['key'];

							$sub_field['parent_layout'] = $layout['key'];

							

							

							// append to extra

							$extra[] = $sub_field;

							

						}

						

					}

					

					

					// append to layout

					$field['layouts'][] = $layout;

				

				}

				

			}



		}

		

		

		// extra

		if( !empty($extra) ) {

			

			array_unshift($extra, $field);

			

			return $extra;

			

		}

		

		

		// return

		return $field;

		

	}

	 

}





// instantiate

new acf_pro();





// end class

endif;



?>