WPH Field Groups

element-image-fields.php

<?php

$image_element = array(
    // Adds first tab + tab content
    array(
        'key' => 'image_tab_1',
        'label' => __('Image', 'hortus-field-groups'),	
        'type' => 'tab',
    ),
    // The actual image
    array(
        'key' => 'image_upload',
        'label' => __('Image', 'hortus-field-groups'),
        'name' => 'image',
        'type' => 'image',
    ),
    // Adds second tab + tab content
    array(
        'key' => 'image_tab_2',
        'label' => 'Info',
        'name' => '',
        'type' => 'tab',
    ),
    // Image caption
    array(
        'key' => 'image_caption',
        'label' => __('Caption', 'hortus-field-groups'),
        'name' => 'caption',
        'type' => 'textarea',
    ),
    // Alternative text
    array(
        'key' => 'image_alttext',
        'label' => __('Alternative text', 'hortus-field-groups'),
        'label' => __('Description for visually impaired people', 'hortus-field-groups'),
        'name' => 'alt-text',
        'type' => 'text',
    ),
    // Image credits
    array(
        'key' => 'image_credits',
        'label' => __('Credits', 'hortus-field-groups'),
        'name' => 'credits',
        'type' => 'text',
    )
);

// Register the image
acf_add_local_field_group(array(
    'key' => 'image_element',
    'title' => __('Single Image', 'hortus-field-groups'),
    'fields' => $image_element,
    'position' => 'normal',
    'label_placement' => 'top',
    'instruction_placement' => 'label',
    'active' => 1,
));

post-type-post-fields.php

<?php
    // Register fields for posts
    acf_add_local_field_group(array(
        'key' => 'wph_post_extra_fields',
        'title' => __('Extra fields for posts', 'hortus-field-groups'),
        'fields' => array(
            array(
                'key' => 'wph_design',
                'name' => 'wph_design',
                'label' => __('Design', 'hortus-field-groups'),
                'type' => 'select',
                'choices' => array(
                    'old' => __('Old', 'hortus-field-groups'),
                    'new' => __('New', 'hortus-field-groups'),
                ),
                'return_format' => 'value',
            ),
            array(
                'key' => 'wph_section',
                'name' => 'wph_section',
                'label' => __('Section', 'hortus-field-groups'),
                'type' => 'flexible_content',
                'layouts' => array(
                    array(
                        'key' => 'wph_paragraph',
                        'name' => 'wph_paragraph',
                        'label' => __('Paragraph', 'hortus-field-groups'),
                        'display' => 'row',
                        'sub_fields' => array(
                            array(
                                'key' => 'wph_paragraph_text',
                                'label' => __('Paragraph', 'hortus-field-groups'),
                                'name' => 'paragraph',
                                'type' => 'wysiwyg',
                            ),
                        )
                    ),
                    array(
                        'key' => 'wph_photo_left',
                        'name' => 'wph_photo_left',
                        'label' => __('Photo Left', 'hortus-field-groups'),
                        'display' => 'table',
                        'type' => 'clone',
                        'sub_fields' => array(
                            array(
                                'key' => 'wph_photo_left_image',
                                'name' => 'photo_left_image',
                                'type' => 'clone',
                                'clone' => array(
                                    0 => 'image_element',
                                ),
                                'display' => 'group',
                                'layout' => 'block',
                            ),
                        )
                    ),
                    array(
                        'key' => 'wph_photo_right',
                        'name' => 'wph_photo_right',
                        'label' => __('Photo Right', 'hortus-field-groups'),
                        'display' => 'table',
                        'sub_fields' => array(
                            array(
                                'key' => 'wph_photo_right_image',
                                'name' => 'photo_right_image',
                                'type' => 'clone',
                                'clone' => array(
                                    0 => 'image_element',
                                ),
                                'display' => 'group',
                                'layout' => 'block',
                            ),
                        )
                    )
                )
            )
        ),
        'location' => array(
            array(
                array(
                    'param' => 'post_type',
                    'operator' => '==',
                    'value' => 'post',
                ),
            )
        ),
        'menu_order' => 0,
        'position' => 'normal',
        'style' => 'seamless',
        'label_placement' => 'top',
        'instruction_placement' => 'label',
        'active' => 1,
    ));

wph-field-groups.php

<?php
defined( 'ABSPATH' ) or die( 'You can\'t access this file directly!');
/**
 * Plugin Name: WPH Field Groups
 * Description: Adds common fields with ACF
 * Version: 0.1
 */

class Hortus_Field_Groups {
    public function init() {
        $this->hooks();
    }

    public function hooks() {
        add_action('init', array($this, 'load_textdomain'), 10);
        add_action('init', array($this, 'load_fields'), 20);
    }

    public function load_textdomain() {
        $load = load_plugin_textdomain( 'hortus-field-groups', false, dirname( plugin_basename( __FILE__ ) ) . '/languages' ); 
    }

    public function load_fields() {
        require_once(plugin_dir_path(__FILE__).'includes/post-types/post.php');
        require_once(plugin_dir_path(__FILE__).'includes/elements/image.php');
    }
}

$hortus_field_groups = new Hortus_Field_Groups();
$hortus_field_groups->init();