init.php

<?php
/**
 * Title: Core Initializer
 *
 * Description: Initializes the core. Adds all required files.
 *
 * Please do not edit this file. This file is part of the Cyber Chimps Framework and all modifications
 * should be made in a child theme.
 *
 * @category Cyber Chimps Framework
 * @package  Framework
 * @since    1.0
 * @author   CyberChimps
 * @license  http://www.opensource.org/licenses/gpl-license.php GPL v3.0 (or later)
 * @link     http://www.cyberchimps.com/
 */

if ( ! function_exists( 'cyberchimps_core_setup_theme' ) ) :

	// Setup the theme
	function cyberchimps_core_setup_theme() {

		// Set directory path
		$directory = get_template_directory();

		// Load core functions file
		require_once $directory . '/cyberchimps/functions.php';

		// Load core hooks file
		require_once $directory . '/cyberchimps/inc/hooks.php';

		// Load element files before meta and options
		require_once $directory . '/elements/init.php';

		// Load santize before options-init and options core
		require_once $directory . '/cyberchimps/options/options-sanitize.php';

		// Load core options file
		require_once $directory . '/cyberchimps/options/options-init.php';

		// Load default core settings
		require_once $directory . '/cyberchimps/options/options-core.php';

		// Load core hooks file
		require_once $directory . '/cyberchimps/inc/cc-custom-background.php';

		// Load pro features if a pro theme. Load prior to meta boxes so that filters work
		if ( cyberchimps_theme_check() == 'pro' ) {
			require_once $directory . '/elements/setup/features.php';
		}

		// Load new meta box class
		require_once $directory . '/cyberchimps/options/meta-box-class/my-meta-box-class.php';

		// Load new meta box options
		require_once $directory . '/cyberchimps/options/meta-box-class/meta-box.php';

		// Load theme upsell.
		require_once $directory . '/cyberchimps/options/theme-upsell.php';

		// Core Translations can be filed in the /inc/languages/ directory
		load_theme_textdomain( 'cyberchimps_core', $directory . '/cyberchimps/lib/languages' );
		load_theme_textdomain( 'cyberchimps_elements', $directory . '/elements/lib/languages' );

		// Add support for the Aside Post Formats
		add_theme_support( 'post-formats', array( 'aside', 'gallery', 'link', 'image', 'quote', 'status', 'video', 'audio', 'chat' ) );

		// Add default posts and comments RSS feed links to head
		add_theme_support( 'automatic-feed-links' );

		// Enable support for Post Thumbnails
		add_theme_support( 'post-thumbnails' );

		// add theme support for backgrounds
		$defaults = array(
			'default-color'    => apply_filters( 'default_background_color', '' ),
			'default-image'    => apply_filters( 'default_background_image', '' ),
			'wp-head-callback' => 'cyberchimps_custom_background_cb',
		);

		$defaults = apply_filters( 'cyberchimps_background_default_args', $defaults );

		add_theme_support( 'custom-background', $defaults );

		// This theme uses wp_nav_menu() in one location.
		register_nav_menus(
			array(
				'primary' => __( 'Primary Menu', 'cyberchimps_core' ),
			)
		);

		// set up defaults
		$option_defaults = cyberchimps_get_default_values();
		if ( ! get_option( 'cyberchimps_options' ) && isset( $_GET['activated'] ) ) {
			update_option( 'cyberchimps_options', $option_defaults );
		} //if not then set up defaults for this theme
		elseif ( get_option( 'cyberchimps_options' ) && isset( $_GET['activated'] ) ) {
			$options                         = get_option( 'cyberchimps_options' );
			$options['header_section_order'] = $option_defaults['header_section_order'];
			$options['theme_backgrounds']    = $option_defaults['theme_backgrounds'];
			update_option( 'cyberchimps_options', $options );
		}
	}
endif; // cyberchimps_core_setup_theme
add_action( 'after_setup_theme', 'cyberchimps_core_setup_theme' );

function cyberchimps_custom_background_cb() {

	$style = '';
	// $background is the saved custom image, or the default image.
	$background = get_background_image();

	// $color is the saved custom color.
	// A default has to be specified in style.css. It will not be printed here.
	$color = get_theme_mod( 'background_color' );

	// CyberChimps background image
	$cc_background = get_theme_mod( 'cyberchimps_background' );

	if ( ! $background && ! $color && ! $cc_background ) {
		return;
	}

	if ( $background ) {
		$image = " background-image: url('$background');";

		$repeat = get_theme_mod( 'background_repeat', 'repeat' );
		if ( ! in_array( $repeat, array( 'no-repeat', 'repeat-x', 'repeat-y', 'repeat' ) ) ) {
			$repeat = 'repeat';
		}
		$repeat = " background-repeat: $repeat;";

		$position = get_theme_mod( 'background_position_x', 'left' );
		if ( ! in_array( $position, array( 'center', 'right', 'left' ) ) ) {
			$position = 'left';
		}
		$position = " background-position: top $position;";

		$attachment = get_theme_mod( 'background_attachment', 'scroll' );
		if ( ! in_array( $attachment, array( 'fixed', 'scroll' ) ) ) {
			$attachment = 'scroll';
		}
		$attachment = " background-attachment: $attachment;";

		$style = $image . $repeat . $position . $attachment;
	} elseif ( $cc_background != 'none' && ! empty( $cc_background ) ) {
		$img_url = get_template_directory_uri() . '/cyberchimps/lib/images/backgrounds/' . $cc_background . '.jpg';
		$style   = "background-image: url( '$img_url' );";
	} elseif ( $color ) {
		$style  = "background-color: #$color;";
		$style .= 'background-image: none;';
	} ?>

	<style type="text/css">
		body {
		<?php echo trim( $style ); ?>
		}
	</style>
	
	<?php
}

// Register our sidebars and widgetized areas.
function cyberchimps_widgets_init() {

	// Add left sidebar only to pro themes as it is not avialble in free.
	if ( 'pro' == cyberchimps_theme_check() ) {
		register_sidebar(
			array(
				'name'          => __( 'Sidebar Left', 'cyberchimps_core' ),
				'id'            => 'sidebar-left',
				'before_widget' => apply_filters( 'cyberchimps_sidebar_before_widget', '<aside id="%1$s" class="widget-container %2$s">' ),
				'after_widget'  => apply_filters( 'cyberchimps_sidebar_after_widget', '</aside>' ),
				'before_title'  => apply_filters( 'cyberchimps_sidebar_before_widget_title', '<h3 class="widget-title">' ),
				'after_title'   => apply_filters( 'cyberchimps_sidebar_after_widget_title', '</h3>' ),
			)
		);
	}

	register_sidebar(
		array(
			'name'          => __( 'Sidebar Right', 'cyberchimps_core' ),
			'id'            => 'sidebar-right',
			'before_widget' => apply_filters( 'cyberchimps_sidebar_before_widget', '<aside id="%1$s" class="widget-container %2$s">' ),
			'after_widget'  => apply_filters( 'cyberchimps_sidebar_after_widget', '</aside>' ),
			'before_title'  => apply_filters( 'cyberchimps_sidebar_before_widget_title', '<h3 class="widget-title">' ),
			'after_title'   => apply_filters( 'cyberchimps_sidebar_after_widget_title', '</h3>' ),
		)
	);

	register_sidebar(
		array(
			'name'          => __( 'Footer Widgets', 'cyberchimps_core' ),
			'id'            => 'cyberchimps-footer-widgets',
			'before_widget' => apply_filters( 'cyberchimps_footer_before_widget', '<aside id="%1$s" class="widget-container span3 %2$s">' ),
			'after_widget'  => apply_filters( 'cyberchimps_footer_after_widget', '</aside>' ),
			'before_title'  => apply_filters( 'cyberchimps_footer_before_widget_title', '<h3 class="widget-title">' ),
			'after_title'   => apply_filters( 'cyberchimps_footer_after_widget_title', '</h3>' ),
		)
	);
}

add_action( 'widgets_init', 'cyberchimps_widgets_init' );

function cyberchimps_load_hooks() {

	// Set the path to hooks directory.
	$hooks_path = get_template_directory() . '/cyberchimps/hooks/';

	require_once $hooks_path . 'wp-head-hooks.php';
	require_once $hooks_path . 'header-hooks.php';
	require_once $hooks_path . 'blog-hooks.php';
	require_once $hooks_path . 'page-hooks.php';
	require_once $hooks_path . 'footer-hooks.php';
}

add_action( 'after_setup_theme', 'cyberchimps_load_hooks' );

// after install redirect user to options page if it's a pro theme.
function cyberchimps_pro_welcome_notice() {
	global $pagenow;
	if ( is_admin() && isset( $_GET['activated'] ) && $pagenow == 'themes.php' ) {

		if ( 'pro' == cyberchimps_theme_check() ) {
			wp_redirect( 'themes.php?page=cyberchimps-theme-options' );
		}
	}
}
add_action( 'after_setup_theme', 'cyberchimps_pro_welcome_notice' );

// Function to check for additional CSS option in WP 4.7 and above
add_action( 'after_setup_theme', 'cyberchimps_custom_css_migrate' );
function cyberchimps_custom_css_migrate() {
	if ( function_exists( 'wp_update_custom_css_post' ) ) {
		$custom_css = cyberchimps_get_option( 'custom_css' );
		if ( $custom_css ) {
			$core_css = wp_get_custom_css(); // Preserve any CSS already added to the core option.
			$return   = wp_update_custom_css_post( $core_css . $custom_css );
			if ( ! is_wp_error( $return ) ) {
				// Remove the old theme_option, so that the CSS is stored in only one place moving forward.
				remove_custom_css_option( 'custom_css' );
			}
		}
	}
}

function remove_custom_css_option( $name ) {
	$mods = get_option( 'cyberchimps_options' );

	if ( ! isset( $mods[ $name ] ) ) {
		return;
	}

	unset( $mods[ $name ] );
	update_option( 'cyberchimps_options', $mods );
}