init.php

<?php
/**
 * Smart by NiceThemes.
 *
 * Visual composer integration init.
 *
 * @package   Smart
 * @author    NiceThemes <hello@nicethemes.com>
 * @license   GPL-2.0+
 * @link      http://nicethemes.com/product/smart
 * @copyright 2017 NiceThemes
 * @since     1.0.0
 */
// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

if ( ! function_exists( 'nice_vc_integration_disable_updater' ) ) :
add_action( 'vc_before_init', 'nice_vc_integration_disable_updater' );
/**
 * Disable VC Updater.
 *
 * @since 1.0.0
 */
function nice_vc_integration_disable_updater() {
	if ( ! function_exists( 'vc_manager' ) || ! method_exists( 'Vc_Manager', 'disableUpdater' ) ) {
		return;
	}

	vc_manager()->disableUpdater();
}
endif;

if ( ! function_exists( 'nice_vc_get_post_types' ) ) :
/**
 * Enable VC for a list of post types.
 *
 * @since 1.0.0
 *
 * @return array
 */
function nice_vc_get_post_types() {
	static $nice_vc_post_types = null;

	if ( is_null( $nice_vc_post_types ) ) {
		$nice_vc_post_types = array(
			'page',
			'post',
		);

		/**
		 * @hook nice_vc_post_types
		 *
		 * Hook in here to modify the list of post types we need to have
		 * enabled by default.
		 *
		 * @since 1.0.0
		 */
		$nice_vc_post_types = apply_filters( 'nice_vc_post_types', $nice_vc_post_types );
	}

	return $nice_vc_post_types;
}
endif;

if ( ! function_exists( 'nice_vc_add_post_types_maybe' ) ) :
add_action( 'init', 'nice_vc_add_post_types_maybe' );
/**
 * Enable default VC post types.
 *
 * This function makes sure all post types returned by `nice_vc_get_post_types()`
 * are set as editable by default for all user roles. After set as editable by
 * default, a post type can be deselected for any user role without being
 * forced to be editable again. This is necessary to make the list of post
 * types flexible, and not force it to always be the same disregarding settings.
 *
 * @see nice_vc_get_post_types()
 * @see Vc_Manager::setEditorPostTypes()
 *
 * @since 1.0.3
 */
function nice_vc_add_post_types_maybe() {
	// Bail in public context.
	if ( ! is_admin() ) {
		return;
	}

	$vc_manager       = vc_manager();
	$post_types       = nice_vc_get_post_types();
	$added_post_types = get_option( '_nice_vc_added_post_types' ) ?: array(); // Get stored post type data.
	$add_post_types   = false;
	$editable_roles   = function_exists( 'get_editable_roles' ) ? get_editable_roles() : array();

	// Merge post types that are already in DB with our list.
	$vc_manager->editor_post_types = array_values( array_unique( array_merge( vc_editor_post_types(), $post_types ) ) );

	// Set permissions over post types for all available roles.
	foreach ( $editable_roles as $role => $settings ) {
		$part = vc_role_access()->who( $role )->part( 'post_types' );

		if ( ! isset( $added_post_types[ $role ] ) ) {
			$added_post_types[ $role ] = array();
		}

		foreach ( $vc_manager->editor_post_types as $post_type ) {
			// No need to add the post type if it was already set.
			if ( in_array( $post_type, $added_post_types[ $role ], true ) ) {
				continue;
			}

			// Set post as type checked by default.
			$part->setCapRule( $post_type );
			$added_post_types[ $role ][] = $post_type;
			$add_post_types = true;
		}
	}

	// Update the list of added post types if needed.
	if ( $add_post_types ) {
		update_option( '_nice_vc_added_post_types', $added_post_types );
	}
}
endif;

if ( ! function_exists( 'nice_vc_body_class' ) ) :
add_filter( 'body_class', 'nice_vc_body_class' );
/**
 * Add body classes if VC is being used.
 *
 * @since  1.0.0
 *
 * @param  array $classes
 *
 * @return array
 */
function nice_vc_body_class( array $classes ) {
	if ( nice_vc_is_used() && ! nice_is_blog() ) {
		$classes[] = 'uses-vc';
		$classes[] = 'vc-active';

		if ( nice_vc_integration_override_content_width() ) {
			$classes[] = 'vc-default-content-width';
		}

		/**
		 * @hook nice_vc_integration_styles_compat
		 *
		 * Allow loading VC compatibility file for overall layout. This should only
		 * be used in case updating to 1.1 from a previous version breaks your
		 * styles.
		 *
		 * @since 1.1
		 */
		$use_compat_file = apply_filters( 'nice_vc_integration_styles_compat', false );

		if ( $use_compat_file ) {
			$class[] = 'vc-compat';
		}
	}

	return $classes;
}
endif;

if ( ! function_exists( 'nice_vc_integration_unset_blog_content' ) ) :
add_action( 'nice_blog_post_content', 'nice_vc_integration_unset_blog_content', 0 );
/**
 * Unset default blog content if the current post is using VC.
 *
 * @since 1.0.0
 */
function nice_vc_integration_unset_blog_content() {
	if ( nice_vc_is_used() ) {
		add_filter( 'nice_blog_content', '__return_false' );
	}
}
endif;

if ( ! function_exists( 'nice_vc_integration_hide_post_thumbnail' ) ) :
add_action( 'the_post', 'nice_vc_integration_hide_post_thumbnail' );
/**
 * Don't show featured image for single posts using VC.
 *
 * @since 1.0.2.4
 */
function nice_vc_integration_hide_post_thumbnail() {
	if ( ! nice_vc_is_used() ) {
		return;
	}

	if ( ! is_single() ) {
		return;
	}

	add_filter( 'nice_post_thumbnail_display', '__return_false' );
}
endif;