Haddon2016/functions.php

<?php

# function file for Twenty Sixteen child theme

# Enqueue the css 

add_action( 'wp_enqueue_scripts', 'theme_enqueue_styles');
function theme_enqueue_styles() {
    wp_enqueue_style( 'parent-style', get_template_directory_uri() . '/style.css' );
    # Dark Mode, pulled from Customizer settings, file style-(dark mode theme setting)
    wp_enqueue_style( 'dark-style', get_stylesheet_directory_uri() . '/style-' . get_theme_mod("dark_mode_theme") . '.css' );

} # theme_enqueue_styles

# Remove the custom CSS from customizer.php 

add_action( 'wp_enqueue_scripts', 'remove_actions_parent_theme');
function remove_actions_parent_theme() {
 	remove_action( 'wp_enqueue_scripts', 'twentysixteen_custom_background_css', 11 );
 	remove_action( 'wp_enqueue_scripts', 'twentysixteen_page_background_color_css', 11 );
	remove_action( 'wp_enqueue_scripts', 'twentysixteen_link_color_css', 11 );
	remove_action( 'wp_enqueue_scripts', 'twentysixteen_main_text_color_css', 11 );
	remove_action( 'wp_enqueue_scripts', 'twentysixteen_secondary_text_color_css', 11 );
} # remove_actions_parent_theme

add_action( 'customize_register', 'remove_parent_customizer_register' );
function remove_parent_customizer_register( $wp_customize ) {
   $wp_customize->remove_section( 'colors');
} # remove parent customizer register 

add_filter('body_class', function (array $classes) {
	# removes body class which lingers and causes issue. 
    if (in_array('custom-background', $classes)) {
      unset( $classes[array_search('custom-background', $classes)] );
    }
  return $classes;
});

# Add additional file types to the media  

add_filter( 'upload_mimes', 'my_myme_types', 1, 1 );
function my_myme_types( $mime_types ) {
	$mime_types['epub'] = 'application/epub+zip';     // Adding .svg extension
	$mime_types['mobi'] = 'application/octet-stream'; // Adding .json extension
	return $mime_types;
} # my_myme_types

# Customizer - Add in Dark Mode Area 
add_action( 'customize_register', 'child_theme_customizer_settings' );
function child_theme_customizer_settings( $wp_customize ) {
	$wp_customize->add_section( 'dark_mode' , array(
		'title'      => 'Dark Mode',
		'priority'   => 30,
	) );

	$wp_customize->add_setting( 'dark_mode_theme' , array(
		'default'     => 'dark',
		'transport'   => 'refresh',
	) );

	$wp_customize->add_control( 'dark_mode_theme', array(
	  'label' => __( 'Custom Theme CSS' ),
	  'type' => 'radio',
	  'section' => 'dark_mode',
	  'choices' => array(
	  	'dark' => 'Classic Dark',
		'alpenglow' => 'Alpenglow',
		'blue' => 'Blue',
	  )
	) );

} # child_theme_customizer_settings



?>