WordPress 4.7

[autoinstalls/wordpress.git] / wp-content / themes / twentyseventeen / inc / template-functions.php

diff --git a/wp-content/themes/twentyseventeen/inc/template-functions.php b/wp-content/themes/twentyseventeen/inc/template-functions.php
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+<?php
+/**
+ * Additional features to allow styling of the templates
+ *
+ * @package WordPress
+ * @subpackage Twenty_Seventeen
+ * @since 1.0
+ */
+
+/**
+ * Adds custom classes to the array of body classes.
+ *
+ * @param array $classes Classes for the body element.
+ * @return array
+ */
+function twentyseventeen_body_classes( $classes ) {
+       // Add class of group-blog to blogs with more than 1 published author.
+       if ( is_multi_author() ) {
+               $classes[] = 'group-blog';
+       }
+
+       // Add class of hfeed to non-singular pages.
+       if ( ! is_singular() ) {
+               $classes[] = 'hfeed';
+       }
+
+       // Add class if we're viewing the Customizer for easier styling of theme options.
+       if ( is_customize_preview() ) {
+               $classes[] = 'twentyseventeen-customizer';
+       }
+
+       // Add class on front page.
+       if ( is_front_page() && 'posts' !== get_option( 'show_on_front' ) ) {
+               $classes[] = 'twentyseventeen-front-page';
+       }
+
+       // Add a class if there is a custom header.
+       if ( has_header_image() ) {
+               $classes[] = 'has-header-image';
+       }
+
+       // Add class if sidebar is used.
+       if ( is_active_sidebar( 'sidebar-1' ) && ! is_page() ) {
+               $classes[] = 'has-sidebar';
+       }
+
+       // Add class for one or two column page layouts.
+       if ( is_page() || is_archive() ) {
+               if ( 'one-column' === get_theme_mod( 'page_layout' ) ) {
+                       $classes[] = 'page-one-column';
+               } else {
+                       $classes[] = 'page-two-column';
+               }
+       }
+
+       // Add class if the site title and tagline is hidden.
+       if ( 'blank' === get_header_textcolor() ) {
+               $classes[] = 'title-tagline-hidden';
+       }
+
+       // Get the colorscheme or the default if there isn't one.
+       $colors = twentyseventeen_sanitize_colorscheme( get_theme_mod( 'colorscheme', 'light' ) );
+       $classes[] = 'colors-' . $colors;
+
+       return $classes;
+}
+add_filter( 'body_class', 'twentyseventeen_body_classes' );
+
+/**
+ * Count our number of active panels.
+ *
+ * Primarily used to see if we have any panels active, duh.
+ */
+function twentyseventeen_panel_count() {
+
+       $panel_count = 0;
+
+       /**
+        * Filter number of front page sections in Twenty Seventeen.
+        *
+        * @since Twenty Seventeen 1.0
+        *
+        * @param $num_sections integer
+        */
+       $num_sections = apply_filters( 'twentyseventeen_front_page_sections', 4 );
+
+       // Create a setting and control for each of the sections available in the theme.
+       for ( $i = 1; $i < ( 1 + $num_sections ); $i++ ) {
+               if ( get_theme_mod( 'panel_' . $i ) ) {
+                       $panel_count++;
+               }
+       }
+
+       return $panel_count;
+}
+
+/**
+ * Checks to see if we're on the homepage or not.
+ */
+function twentyseventeen_is_frontpage() {
+       return ( is_front_page() && ! is_home() );
+}