functions.php

<?php
/**
 * activello functions and definitions
 *
 * @package activello
 */

/**
 * Set the content width based on the theme's design and stylesheet.
 */
if ( ! isset( $content_width ) ) {
	$content_width = 697; /* pixels */
}

/**
 * Set the content width for full width pages with no sidebar.
 */
if ( ! function_exists( 'activello_content_width' ) ) {
	function activello_content_width() {
		if ( is_page_template( 'page-fullwidth.php' ) ) {
			  global $content_width;
			  $content_width = 1008; /* pixels */
		}
	}
}

add_action( 'template_redirect', 'activello_content_width' );


if ( ! function_exists( 'activello_main_content_bootstrap_classes' ) ) :
	/**
 * Add Bootstrap classes to the main-content-area wrapper.
 */
	function activello_main_content_bootstrap_classes() {
		if ( is_page_template( 'page-fullwidth.php' ) ) {
			return 'col-sm-12 col-md-12';
		}
		return 'col-sm-12 col-md-8';
	}
endif; // activello_main_content_bootstrap_classes

if ( ! function_exists( 'activello_setup' ) ) :
	/**
 * Sets up theme defaults and registers support for various WordPress features.
 *
 * Note that this function is hooked into the after_setup_theme hook, which
 * runs before the init hook. The init hook is too late for some features, such
 * as indicating support for post thumbnails.
 */
	function activello_setup() {

		  /*
		   * Make theme available for translation.
		   * Translations can be filed in the /languages/ directory.
		   */
		  load_theme_textdomain( 'activello', get_template_directory() . '/languages' );

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

		  /**
   * Enable support for Post Thumbnails on posts and pages.
   *
   * @link http://codex.wordpress.org/Function_Reference/add_theme_support#Post_Thumbnails
   */
		  add_theme_support( 'post-thumbnails' );

		  add_image_size( 'activello-featured', 1170, 550, true );
		  add_image_size( 'activello-slider', 1920, 550, true );
		  add_image_size( 'activello-thumbnail', 330, 220, true );
		  add_image_size( 'activello-medium', 640, 480, true );
		  add_image_size( 'activello-big', 710, 335, true );

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

		  // Enable support for Post Formats.
		  add_theme_support( 'post-formats', array(
			  'video',
			  'audio',
		  ) );

		  // Setup the WordPress core custom background feature.
		  add_theme_support( 'custom-background', apply_filters( 'activello_custom_background_args', array(
			  'default-color' => 'FFFFFF',
			  'default-image' => '',
		  ) ) );

		  // Enable support for HTML5 markup.
		  add_theme_support( 'html5', array(
			  'comment-list',
			  'search-form',
			  'comment-form',
			  'gallery',
			  'caption',
		  ) );

		  // Enable Custom Logo
		  add_theme_support( 'custom-logo', array(
			  'height'      => 200,
			  'width'       => 400,
			  'flex-width' => true,
		  ) );

		  // Backwards compatibility for custom Logo
		  $old_logo = get_theme_mod( 'header_logo' );
		if ( $old_logo ) {
				set_theme_mod( 'custom_logo', $old_logo );
				remove_theme_mod( 'header_logo' );
		}

		  /*
		   * Let WordPress manage the document title.
		   * By adding theme support, we declare that this theme does not use a
		   * hard-coded <title> tag in the document head, and expect WordPress to
		   * provide it for us.
		   */
		  add_theme_support( 'title-tag' );

		  // Backwards compatibility
		  $custom_css = get_theme_mod( 'custom_css' );
		if ( $custom_css ) {
				wp_update_custom_css_post( $custom_css );
				remove_theme_mod( 'custom_css' );
		}

	}
endif; // activello_setup
add_action( 'after_setup_theme', 'activello_setup' );

/**
 * Register widgetized area and update sidebar with default widgets.
 */
if ( ! function_exists( 'activello_widgets_init' ) ) {
	function activello_widgets_init() {
		register_sidebar( array(
			'name'          => esc_html__( 'Sidebar', 'activello' ),
			'id'            => 'sidebar-1',
			'before_widget' => '<aside id="%1$s" class="widget %2$s">',
			'after_widget'  => '</aside>',
			'before_title'  => '<h3 class="widget-title">',
			'after_title'   => '</h3>',
		));

		register_widget( 'Activello_Social_Widget' );
		register_widget( 'Activello_Recent_Posts' );
		register_widget( 'Activello_Categories' );
	}
}
add_action( 'widgets_init', 'activello_widgets_init' );


/* --------------------------------------------------------------
       Theme Widgets
-------------------------------------------------------------- */
require_once( get_template_directory() . '/inc/widgets/class-activello-categories.php' );
require_once( get_template_directory() . '/inc/widgets/class-activello-social-widget.php' );
require_once( get_template_directory() . '/inc/widgets/class-activello-recent-posts.php' );

/**
 * This function removes inline styles set by WordPress gallery.
 */
if ( ! function_exists( 'activello_remove_gallery_css' ) ) {
	function activello_remove_gallery_css( $css ) {
		return preg_replace( "#<style type='text/css'>(.*?)</style>#s", '', $css );
	}
}

add_filter( 'gallery_style', 'activello_remove_gallery_css' );

/**
 * Enqueue scripts and styles.
 */
if ( ! function_exists( 'activello_scripts' ) ) {
	function activello_scripts() {

		// Add Bootstrap default CSS
		wp_enqueue_style( 'activello-bootstrap', get_template_directory_uri() . '/assets/css/bootstrap.min.css' );

		// Add Font Awesome stylesheet
		wp_enqueue_style( 'activello-icons', get_template_directory_uri() . '/assets/css/font-awesome.min.css' );

		// Add Google Fonts
		wp_enqueue_style( 'activello-fonts', '//fonts.googleapis.com/css?family=Lora:400,400italic,700,700italic|Montserrat:400,700|Maven+Pro:400,700' );

		// Add slider CSS only if is front page ans slider is enabled
		if ( ( is_home() || is_front_page() ) && get_theme_mod( 'activello_featured_hide' ) == 1 ) {
			wp_enqueue_style( 'flexslider-css', get_template_directory_uri() . '/assets/css/flexslider.css' );
		}

		// Add main theme stylesheet
		wp_enqueue_style( 'activello-style', get_stylesheet_uri() );

		// Add Modernizr for better HTML5 and CSS3 support
		wp_enqueue_script( 'activello-modernizr', get_template_directory_uri() . '/assets/js/vendor/modernizr.min.js', array( 'jquery' ) );

		// Add Bootstrap default JS
		wp_enqueue_script( 'activello-bootstrapjs', get_template_directory_uri() . '/assets/js/vendor/bootstrap.min.js', array( 'jquery' ) );

		// Add slider JS only if is front page ans slider is enabled
		if ( ( is_home() || is_front_page() ) && get_theme_mod( 'activello_featured_hide' ) == 1 ) {
			wp_register_script( 'flexslider-js', get_template_directory_uri() . '/assets/js/vendor/flexslider.min.js', array( 'jquery' ), '20140222', true );
		}

		// Main theme related functions
		wp_enqueue_script( 'activello-functions', get_template_directory_uri() . '/assets/js/functions.min.js', array( 'jquery' ) );

		// This one is for accessibility
		wp_enqueue_script( 'activello-skip-link-focus-fix', get_template_directory_uri() . '/assets/js/skip-link-focus-fix.js', array(), '20140222', true );

		// Threaded comments
		if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
			wp_enqueue_script( 'comment-reply' );
		}
	}
}// End if().
add_action( 'wp_enqueue_scripts', 'activello_scripts' );

/**
 * Custom template tags for this theme.
 */
require get_template_directory() . '/inc/template-tags.php';

/**
 * Custom functions that act independently of the theme templates.
 */
require get_template_directory() . '/inc/extras.php';

/**
 * Customizer additions.
 */
require get_template_directory() . '/inc/customizer.php';

/**
 * Load Jetpack compatibility file.
 */
require get_template_directory() . '/inc/jetpack.php';

/**
 * Load custom nav walker
 */
require get_template_directory() . '/inc/class-activello-wp-bootstrap-navwalker.php';

/**
 * Load custom metabox
 */
require get_template_directory() . '/inc/metaboxes.php';

/**
 * Social Nav Menu
 */
require get_template_directory() . '/inc/socialnav.php';

/* Globals */
global $site_layout, $header_show;
$site_layout = array(
	'pull-right' => esc_html__( 'Left Sidebar','activello' ),
	'side-right' => esc_html__( 'Right Sidebar','activello' ),
	'no-sidebar' => esc_html__( 'No Sidebar','activello' ),
	'full-width' => esc_html__( 'Full Width', 'activello' ),
);
$header_show = array(
	'logo-only' => __( 'Logo Only', 'activello' ),
	'logo-text' => __( 'Logo + Tagline', 'activello' ),
	'title-only' => __( 'Title Only', 'activello' ),
	'title-text' => __( 'Title + Tagline', 'activello' ),
);

if ( ! function_exists( 'activello_get_single_category' ) ) :
	/* Get Single Post Category */
	function activello_get_single_category( $post_id ) {

		if ( ! $post_id ) {
			return '';
		}

		$post_categories = wp_get_post_categories( $post_id );
		$show_one_category = get_theme_mod( 'activello_categories', 0 );

		if ( ! empty( $post_categories ) ) {
			if ( ! $show_one_category && count( $post_categories ) > 1 ) {
				$extra_categories = array_slice( $post_categories, 1, count( $post_categories ) -1, true );
				$extra_categories_args = array(
					'echo' => 0,
					'title_li' => '',
					'show_count' => 0,
					'include' => $extra_categories,
				);
				$html = '<div class="activello-categories">';
				$html .= '<ul class="single-category">' . wp_list_categories( 'echo=0&title_li=&show_count=0&include=' . $post_categories[0] ) . '<li class="show-more-categories">...<ul class="subcategories">' . wp_list_categories( $extra_categories_args ) . '</ul><li></ul>';
				$html .= '</div>';
				return $html;
			} else {
				return '<ul class="single-category">' . wp_list_categories( 'echo=0&title_li=&show_count=0&include=' . $post_categories[0] ) . '</ul>';
			}
		}
		return '';
	}
endif;

if ( ! function_exists( 'activello_woo_setup' ) ) :
	/**
 * Sets up theme defaults and registers support for various WordPress features.
 */
	function activello_woo_setup() {
		/*
		 * Enable support for WooCemmerce.
		*/
		add_theme_support( 'woocommerce' );

		  /*
		   * Enable support for WooCemmerce Lightbox & Zoom.
		  */
		  add_theme_support( 'wc-product-gallery-zoom' );
		  add_theme_support( 'wc-product-gallery-lightbox' );
		  add_theme_support( 'wc-product-gallery-slider' );

	}
endif; // activello_woo_setup
add_action( 'after_setup_theme', 'activello_woo_setup' );

/*
 * Function to modify search template for header
 */
if ( ! function_exists( 'activello_header_search_filter' ) ) {
	function activello_header_search_filter( $form ) {
		$form = '<form action="' . esc_url( home_url( '/' ) ) . '" method="get"><input type="text" name="s" value="' . get_search_query() . '" placeholder="' . esc_attr_x( 'Search', 'search placeholder', 'activello' ) . '"><button type="submit" class="header-search-icon" name="submit" id="searchsubmit" value="' . esc_attr_x( 'Search', 'submit button', 'activello' ) . '"><i class="fa fa-search"></i></button></form>';
		return $form;
	}
}

// Include Epsilon Framework
require_once 'inc/libraries/epsilon-framework/class-epsilon-autoloader.php';
$args = array(
	'controls' => array( 'toggle' ), // array of controls to load
	'sections' => array( 'recommended-actions', 'pro' ), // array of sections to load
);

new Epsilon_Framework( $args );

// Add welcome screen
require get_template_directory() . '/inc/welcome-screen/welcome-page-setup.php';

require get_template_directory() . '/inc/class-activello-nux-admin.php';