custom-fields.php

<?php
/**
 * Custom Fields
 *
 * @package      CoreFunctionality
 * @author       Bill Erickson
 * @since        1.0.0
 * @license      GPL-2.0+
**/

use Carbon_Fields\Container;
use Carbon_Fields\Field;

/**
 * Register Fields
 *
 */
function ea_register_custom_fields() {

	Container::make( 'theme_options', 'Site Options' )
		->add_tab( 'Site Footer', array(
			Field::make( 'text', 'ea_privacy_url', 'Privacy Page URL' ),
			Field::make( 'text', 'ea_youtube', 'YouTube URL' ),
			Field::make( 'text', 'ea_linkedin', 'LinkedIn URL' )
		));

	Container::make( 'post_meta', 'Modules' )
		->where( 'post_type', '=', 'page' )
		->where( 'post_template', '=', 'templates/modules.php' )
		->add_fields( array(
			Field::make( 'complex', 'ea_modules', 'Modules' )
				->set_collapsed( true )
				->setup_labels( array( 'singular_name' => 'Module', 'plural_name' => 'Modules' ) )

				->add_fields( 'header', 'Header', array(
					Field::make( 'rich_text', 'content' ),
					Field::make( 'image', 'image' ),
					Field::make( 'select', 'content_alignment', 'Display content on' )
						->add_options( array(
							'left' => 'Left',
							'right' => 'Right',
						))
				))

				->add_fields( 'content', 'Content', array(
					Field::make( 'text', 'title' ),
					Field::make( 'select', 'bg', 'Background' )
						->set_options( 'ea_module_bg_options' ),
					Field::make( 'rich_text', 'content' )
				))
				->set_header_template( ea_metabox_header_template( 'title', 'Content' ) )

				->add_fields( 'content_image', 'Content & Image', array(
					Field::make( 'text', 'title' ),
					Field::make( 'select', 'bg', 'Background' )
						->set_options( 'ea_module_bg_options' ),
					Field::make( 'rich_text', 'content' ),
					Field::make( 'image', 'image' ),
					Field::make( 'select', 'content_alignment', 'Display content on' )
						->add_options( array(
							'left' => 'Left',
							'right' => 'Right',
						))
				))
				->set_header_template( ea_metabox_header_template( 'title', 'Content & Image' ) )

				->add_fields( 'content_icons', 'Content & Icons', array(
					Field::make( 'text', 'title' ),
					Field::make( 'select', 'bg', 'Background' )
						->set_options( 'ea_module_bg_options' ),
					Field::make( 'rich_text', 'content' ),
					Field::make( 'complex', 'icons' )
						->set_collapsed( true )
						->setup_labels( array( 'singular_name' => 'Icon', 'plural_name' => 'Icons' ) )
						->add_fields( array(
							Field::make( 'text', 'title' ),
							Field::make( 'select', 'icon' )
								->set_options( 'ea_module_icon_options' )
						))
						->set_header_template( ea_metabox_header_template( 'title', 'Icon' ) )

				))
				->set_header_template( ea_metabox_header_template( 'title', 'Content & Icons' ) )

				->add_fields( 'resources', 'Resources', array(
					Field::make( 'text', 'title' ),
					Field::make( 'select', 'bg', 'Background' )
						->set_options( 'ea_module_bg_options' ),
					Field::make( 'rich_text', 'content' ),
					Field::make( 'complex', 'resources' )
						->set_collapsed( true )
						->setup_labels( array( 'singular_name' => 'Resource', 'plural_name' => 'Resources' ) )
						->add_fields( array(
							Field::make( 'text', 'title' ),
							Field::make( 'text', 'url', 'URL' ),
							Field::make( 'checkbox', 'new_tab', 'Open link in new tab' ),
							Field::make( 'select', 'icon' )
								->set_options( 'ea_module_icon_options' )
						))
						->set_header_template( ea_metabox_header_template( 'title', 'Resource' ) )
				))
				->set_header_template( ea_metabox_header_template( 'title', 'Resources' ) )

				->add_fields( 'videos', 'Videos', array(
					Field::make( 'text', 'title' ),
					Field::make( 'select', 'bg', 'Background' )
						->set_options( 'ea_module_bg_options' ),
					Field::make( 'rich_text', 'content' ),
					Field::make( 'complex', 'videos' )
						->set_collapsed( true )
						->setup_labels( array( 'singular_name' => 'Video', 'plural_name' => 'Videos' ) )
						->add_fields( array(
							Field::make( 'text', 'title' ),
							Field::make( 'text', 'video_url', 'YouTube Video URL' ),
						))
						->set_header_template( ea_metabox_header_template( 'title', 'Video' ) )
				))
				->set_header_template( ea_metabox_header_template( 'title', 'Videos' ) )

				->add_fields( 'features', 'Features', array(
					Field::make( 'text', 'title' ),
					Field::make( 'select', 'bg', 'Background' )
						->set_options( 'ea_module_bg_options' ),
					Field::make( 'rich_text', 'content' ),
					Field::make( 'complex', 'features' )
						->set_collapsed( true )
						->setup_labels( array( 'singular_name' => 'Feature', 'plural_name' => 'Features' ) )
						->add_fields( array(
							Field::make( 'select', 'icon' )
								->set_options( 'ea_module_icon_options' ),
							Field::make( 'rich_text', 'content' ),
						))
				))
				->set_header_template( ea_metabox_header_template( 'title', 'Features' ) )

				->add_fields( 'testimonials', 'Testimonials', array(
					Field::make( 'text', 'button_text', 'Button Text' )->set_width( 50 ),
					Field::make( 'text', 'button_url', 'Button URL' )->set_width( 50 ),
					Field::make( 'text', 'title' ),
					Field::make( 'select', 'bg', 'Background' )
						->set_options( 'ea_module_bg_options' ),
					Field::make( 'image', 'image' ),
					Field::make( 'complex', 'testimonials' )
						->set_collapsed( true )
						->setup_labels( array( 'singular_name' => 'Testimonial', 'plural_name' => 'Testimonials' ) )
						->add_fields( array(
							Field::make( 'textarea', 'quote' ),
							Field::make( 'text', 'byline' )
						))
						->set_header_template( ea_metabox_header_template( 'byline', 'Testimonial' ) )
				))
				->set_header_template( ea_metabox_header_template( 'title', 'Testimonials' ) )

		));
}
add_action( 'carbon_fields_register_fields', 'ea_register_custom_fields' );

/**
 * Metabox Header Template
 *
 */
function ea_metabox_header_template( $key = '', $title = '' ) {
	return $title . '<% if (' . $key . ') { %>: <%- ' . $key . ' %><% } %>';
}

/**
 * Module Background Options
 *
 */
function ea_module_bg_options() {
	return array(
		''           => 'White',
		'grey'       => 'Grey',
		'light-blue' => 'Light Blue',
		'dark-blue'  => 'Dark Blue',
	);
}


/**
 * Module Icon Options
 *
 */
function ea_module_icon_options() {

	$output = array();
	$icons = ea_get_theme_icons();
	foreach( $icons as $icon )
		$output[$icon] = $icon;

	return $output;
}

/**
 * Theme Icons
 *
 */
function ea_get_theme_icons() {

	$icons = get_option( 'ea_theme_icons' );

	if( empty( $icons ) ) {

		$icons = scandir( get_stylesheet_directory() . '/assets/icons/' );
		$icons = array_diff( $icons, array( '..', '.' ) );
		$icons = array_values( $icons );

		if( empty( $icons ) )
			return $icons;

		// remove the .svg
		foreach( $icons as $i => $icon ) {
			$icons[ $i ] = substr( $icon, 0, -4 );
		}

		update_option( 'ea_theme_icons', $icons );
	}

	return $icons;
}