Updated coding standards

functions.php

@@ -100,12 +100,12 @@ function _xe_theme_options() {
 /**
  * Custom functions that act independently of the theme templates.
  */
-require get_template_directory() . '/includes/extras.php';
+require get_template_directory() . '/includes/class-extras.php';
 
 /**
  * One click demo import.
  */
-if (class_exists('OCDI_Plugin')) {
+if ( class_exists('OCDI_Plugin') ) {
 
 	require get_template_directory() . '/helpers/class-demo-content.php';
 

includes/class-extras.php

@@ -0,0 +1,193 @@
+<?php
+/**
+ * Custom functions that act independently of the theme templates.
+ *
+ * Eventually, some of the functionality here could be replaced by core features.
+ *
+ * @package _xe
+ */
+
+namespace Xe_Theme\Includes;
+
+class Extras {
+
+  function __construct() {
+
+    add_filter( 'body_class', [ $this, 'body_classes' ] );
+    add_action( 'get_header', [ $this, 'admin_bar_push_down' ] );
+    add_filter( 'comment_form_defaults', [ $this, 'comment_textarea_placeholder' ] );
+    add_filter( 'comment_form_default_fields', [ $this, 'comment_fields_placeholder' ] );
+    add_filter( 'excerpt_length', [ $this, 'custom_excerpt_length' ], 999 );
+    add_filter( 'excerpt_more', [ $this, 'excerpt_more' ] );
+    add_action( 'admin_menu', [ $this, 'add_menu_pages' ] );
+    add_action( 'admin_menu', [ $this, 'remove_menu_pages' ] );
+    add_filter( 'get_search_form', [ $this, 'custom_search_form' ], 100 );
+
+    if ( class_exists('WooCommerce') ) {
+
+      add_filter( 'get_product_search_form' , [ $this, 'woo_search_form' ] );
+      remove_action( 'woocommerce_before_main_content', 'woocommerce_breadcrumb', 20, 0 ); // Remove WooCommerce breadcrumbs
+
+    }
+
+  }
+
+  /**
+   * # Adds custom classes to the array of body classes.
+   *
+   * @link https://developer.wordpress.org/reference/hooks/body_class/
+   *
+   * @param array $classes : Classes for the body element.
+   * @return array
+   */
+  public function body_classes( $classes ) {
+
+    global $xe_opt;
+
+    // Adds a class of group-blog to blogs with more than 1 published author.
+    if ( is_multi_author() ) {
+      $classes[] = 'group-blog';
+    }
+
+    // Adds a class of hfeed to non-singular pages.
+    if ( ! is_singular() ) {
+      $classes[] = 'hfeed';
+    }
+
+    $classes[] = $xe_opt->boxed_layout_class;
+
+    return $classes;
+
+  }
+
+  /**
+   * # Remove admin-bar push down.
+   */
+  public function admin_bar_push_down() {
+
+    remove_action( 'wp_head', '_admin_bar_bump_cb' );
+
+  }
+
+  /**
+   * # Comment form's text-area placeholder
+   *
+   * @link https://developer.wordpress.org/reference/hooks/comment_form_defaults/
+   */
+  public function comment_textarea_placeholder( $args ) {
+
+    $args['comment_field'] = str_replace( 'textarea', 'textarea placeholder="Comment"', $args['comment_field'] );
+
+    return $args;
+
+  }
+
+  /**
+   * # Comment form's fields placeholder
+   *
+   * @link https://developer.wordpress.org/reference/hooks/comment_form_default_fields/
+   */
+  public function comment_fields_placeholder( $fields ) {
+
+    foreach( $fields as &$field ) {
+
+      $field = str_replace( 'id="author"', 'id="author" placeholder="Name*"', $field );
+      $field = str_replace( 'id="email"', 'id="email" placeholder="Email*"', $field );
+      $field = str_replace( 'id="url"', 'id="url" placeholder="Website"', $field );
+
+    }
+
+    return $fields;
+
+  }
+
+  /**
+   * # Custom excerpt length
+   *
+   * @link https://developer.wordpress.org/reference/hooks/excerpt_length/
+   */
+  public function custom_excerpt_length( $length ) {
+
+    global $xe_opt;
+
+    return $xe_opt->excerpt_length;
+
+  }
+
+  /**
+   * # Read more link
+   *
+   * @link https://developer.wordpress.org/reference/hooks/excerpt_more/
+   */
+  public function excerpt_more( $more ) {
+
+    $more = '... ';
+    $more .= sprintf(
+      '<a class="read-more" href="%1$s">%2$s</a>',
+      get_permalink( get_the_ID() ),
+      esc_html__( '(more)', '_xe' )
+    );
+
+    return $more;
+
+  }
+
+  /**
+   * # Add menu pages.
+   *
+   * @link https://developer.wordpress.org/reference/functions/add_menu_page/
+   * @link https://developer.wordpress.org/reference/functions/add_submenu_page/
+   */
+  public function add_menu_pages() {
+  }
+
+  /**
+   * # Remove menu pages.
+   *
+   * @link https://developer.wordpress.org/reference/functions/remove_menu_page/
+   * @link https://developer.wordpress.org/reference/functions/remove_submenu_page/
+   */
+  public function remove_menu_pages() {
+  }
+
+  /**
+   * # Search form customization etc.
+   */
+  public function custom_search_form( $form ) {
+
+    $form = '
+      <form role="search" method="get" id="searchform" action="' . home_url( '/' ) . '" >
+        <div class="search-form">
+          <label class="screen-reader-text" for="s">' . esc_html__('Search:', '_xe') . '</label>
+          <input type="text" value="' . get_search_query() . '" name="s" id="s" placeholder="Search" class="form-control mr-sm-1">
+          <input type="submit" id="searchsubmit" value="" class="search-submit">
+        </div>
+      </form>
+    ';
+
+    return $form;
+
+  }
+
+  /**
+   * # WooCommerce --> Search button text
+   */
+  public function woo_search_form( $form ) {
+
+    $form = '
+      <form role="search" method="get" class="woocommerce-product-search" action="' . esc_url( home_url( '/'  ) ) . '">
+        <div>
+          <label class="screen-reader-text" for="woocommerce-product-search-field">' . esc_html__( 'Search for:', '_xe' ) . '</label>
+          <input type="search" id="woocommerce-product-search-field" class="search-field" placeholder="' . esc_html__( 'Search products...', '_xe' ) . '" value="' . get_search_query() . '" name="s" />
+          <input type="submit" value="" />
+          <input type="hidden" name="post_type" value="product" />
+        </div>
+      </form>
+    ';
+
+    return $form;
+
+  }
+
+}
+new Extras();