functions.php

<?php
/* **************************************************************************************************** */
// Define Paths
/* **************************************************************************************************** */

$get_wp_version = get_bloginfo('version');
$theme_data = wp_get_theme();
define('OPTIONS_PATH', get_template_directory_uri() . '/nimbus/');
define('JS_PATH', get_template_directory() . '/js/');
define('CSS_PATH', get_template_directory() . '/css/');
define('THEME_NAME', $theme_data['Name']);
define('THEME_NAME_CLEAN', str_replace(" ", "_", strtolower(THEME_NAME)));
define('THEME_OPTIONS', str_replace(" ", "_", strtolower(THEME_NAME)) . "_options");
define('SALESPAGEURL', 'http://www.nimbusthemes.com/wordpress-themes/soliloquy/');
define('SUPPORTINFOURL', 'http://www.nimbusthemes.com/support/');
define('ALLTHEMES', 'http://www.nimbusthemes.com/join/');
define('DEMOURL', 'http://preview.nimbusthemes.com/?theme=soliloquy');
define('GUIDEURL', 'http://www.nimbusthemes.com/user-guides/');
define('ISFREE', TRUE);

/* **************************************************************************************************** */
// Load Admin Panel
/* **************************************************************************************************** */

require_once(get_template_directory() . '/nimbus/options.php');
require_once(get_template_directory() . '/nimbus/options_arr.php');


/* **************************************************************************************************** */
// Flush Rewrite on Activation
/* **************************************************************************************************** */

function nimbus_rewrite_flush() {
    flush_rewrite_rules();
}

add_action('after_switch_theme', 'nimbus_rewrite_flush');


/* **************************************************************************************************** */
// Setup Theme
/* **************************************************************************************************** */

add_action('after_setup_theme', 'nimbus_setup');

if (!function_exists('nimbus_setup')){
    function nimbus_setup() {

       // Localization
        
        $lang_local = get_template_directory() . '/lang';
        load_theme_textdomain('nimbus', $lang_local);

        // Register Thumbnail Sizes

        add_theme_support('post-thumbnails');
        set_post_thumbnail_size(1170, 9999, true);
        add_image_size('nimbus_1170_640', 1170, 640, true);
        add_image_size('nimbus_375_225', 375, 225, true);
 

        // Load feed links	

        add_theme_support('automatic-feed-links');
        
        // Support Custom Background
        
        $nimbus_custom_background_defaults = array(
            'default-color' => '4c4c4c'
        );
        add_theme_support( 'custom-background', $nimbus_custom_background_defaults );    

        // Set Content Width

        global $content_width;
        if ( ! isset( $content_width ) ) {
            $content_width = 770;
        }      

        // Register Menus

        register_nav_menu('primary', __('Primary Menu', 'nimbus'));

    }
}



/* **************************************************************************************************** */
// Clear Helper/s
/* **************************************************************************************************** */

function n_clear($ht = "0") {
echo "<div class='clear' style='height:" . $ht . "px;'></div>";
}


/* **************************************************************************************************** */
// Do Title 
/* **************************************************************************************************** */

add_action('wp_title', 'nimbus_seo_title');
  
function nimbus_seo_title() {
    global $wp_query;
    $title = get_bloginfo('name');
    $seporate = ' | ';
    if (is_front_page()) {
        $title = get_bloginfo('name');
    } else if (is_feed()) {
        $title = '';
    } else if (is_page() || is_single()) {
        $postid = $wp_query->post->ID;
        $title = the_title('','',false) . $seporate . get_bloginfo('name');
    }
    wp_reset_query();
    return $title;
}

/* **************************************************************************************************** */
// Modify Search Form
/* **************************************************************************************************** */

if (!function_exists('nimbus_modify_search_form')){
    function nimbus_modify_search_form($form) {
        $form = '<form method="get" id="searchform" action="' . home_url() . '/" >';
        if (is_search()) {
            $form .='<input type="text" value="' . esc_attr(apply_filters('the_search_query', get_search_query())) . '" name="s" id="s" />';
        } else {
        $form .='<input type="text" value="'.__('Search' , 'nimbus').'" name="s" id="s"  onfocus="if(this.value==this.defaultValue)this.value=\'\';" onblur="if(this.value==\'\')this.value=this.defaultValue;"/>';
        }
        $form .= '<input type="image" id="searchsubmit" src="' . get_stylesheet_directory_uri() . '/images/search_icon.png" />
                </form>';
        return $form;
    }
}
add_filter('get_search_form', 'nimbus_modify_search_form');


/* **************************************************************************************************** */
// Override gallery style
/* **************************************************************************************************** */

add_filter( 'use_default_gallery_style', '__return_false' );
       

/* **************************************************************************************************** */
// More Tag
/* **************************************************************************************************** */

if (!function_exists('nimbus_wrap_more_tag')){
    function nimbus_wrap_more_tag($link){
    return "<p class='more_tag_wrap'>$link</p>";
    }
}
add_filter('the_content_more_link', 'nimbus_wrap_more_tag');

/* **************************************************************************************************** */
// Register Sidebars
/* **************************************************************************************************** */

add_action('widgets_init', 'nimbus_register_sidebars');

if (!function_exists('nimbus_register_sidebars')){
    function nimbus_register_sidebars() {

        register_sidebar(array(
            'name' => __('Default Page Sidebar', 'nimbus'),
            'id' => 'sidebar_pages',
            'description' => __('Widgets in this area will be displayed in the sidebar on the pages.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h3 class="widget_title">',
            'after_title' => '</h3>'
        ));
        
        register_sidebar(array(
            'name' => __('Default Blog Sidebar', 'nimbus'),
            'id' => 'sidebar_blog',
            'description' => __('Widgets in this area will be displayed in the sidebar on the blog and posts.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h3 class="widget_title">',
            'after_title' => '</h3>'
        ));

        register_sidebar(array(
            'name' => __('Header Left', 'nimbus'),
            'id' => 'header_left',
            'description' => __('Widgets in this area will be displayed in the widget area on the left side of the header.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h3 class="widget_title">',
            'after_title' => '</h3>'
        ));
        
        register_sidebar(array(
            'name' => __('Header Right', 'nimbus'),
            'id' => 'header_right',
            'description' => __('Widgets in this area will be displayed in the widget area on the right side of the header.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h3 class="widget_title">',
            'after_title' => '</h3>'
        ));
       

        register_sidebar(array(
            'name' => __('Footer Left', 'nimbus'),
            'id' => 'footer-left',
            'description' => __('Widgets in this area will be shown in the left footer column.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h2 class="widget_title">',
            'after_title' => '</h2>'
        ));
        
        register_sidebar(array(
            'name' => __('Footer Center Left', 'nimbus'),
            'id' => 'footer-center-left',
            'description' => __('Widgets in this area will be shown in the center left footer column.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h2 class="widget_title">',
            'after_title' => '</h2>'
        ));

        register_sidebar(array(
            'name' => __('Footer Center Right', 'nimbus'),
            'id' => 'footer-center-right',
            'description' => __('Widgets in this area will be shown in the center right footer column.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h2 class="widget_title">',
            'after_title' => '</h2>'
        ));

        register_sidebar(array(
            'name' => __('Footer Right', 'nimbus'),
            'id' => 'footer-right',
            'description' => __('Widgets in this area will be shown in the right footer column.', 'nimbus'),
            'before_widget' => '<div id="%1$s" class="widget %2$s widget sidebar_editable">',
            'after_widget' => '</div>',
            'before_title' => '<h2 class="widget_title">',
            'after_title' => '</h2>'
        ));
        
        // create 50 alternate sidebar widget areas for use on post and pages 
        $i = 1;
        while ($i <= 50) {
            register_sidebar(array(
                'name' => __('Alternate Sidebar #', 'nimbus') . $i,
                'id' => 'sidebar_' . $i,
                'description' => __('Widgets in this area will be displayed in the sidebar for any posts, pages or portfolio items that are taged with sidebar', 'nimbus') . $i . '.',
                'before_widget' => '<div class="widget">',
                'after_widget' => '</div>',
                'before_title' => '<h3 class="widget_title">',
                'after_title' => '</h3>'
            ));
            $i++;
        }    
    }
}

/* **************************************************************************************************** */
// Excerpt Modifications
/* **************************************************************************************************** */

// Excerpt Length

add_filter('excerpt_length', 'nimbus_excerpt_length');

if (!function_exists('nimbus_excerpt_length')){
    function nimbus_excerpt_length($length) {
        return 30;
    }
}

// Excerpt More

add_filter('excerpt_more', 'nimbus_excerpt_more');
    
if (!function_exists('nimbus_excerpt_more')){
    function nimbus_excerpt_more($more) {
        return '';
    }
}

// Add to pages

add_action('init', 'nimbus_add_excerpts_to_pages');

if (!function_exists('nimbus_add_excerpts_to_pages')){
    function nimbus_add_excerpts_to_pages() {
        add_post_type_support('page', 'excerpt');
    }
}

/* **************************************************************************************************** */
// Enable Threaded Comments
/* **************************************************************************************************** */

add_action('wp_enqueue_scripts', 'nimbus_threaded_comments');

if (!function_exists('nimbus_threaded_comments')){
    function nimbus_threaded_comments() {
        if (is_singular() && comments_open() && (get_option('thread_comments') == 1)) {
            wp_enqueue_script('comment-reply');
        }
    }
}

/* **************************************************************************************************** */
// Modify Comments Output
/* **************************************************************************************************** */

if (!function_exists('nimbus_comment')){
    function nimbus_comment($comment, $args, $depth) {
        $GLOBALS['comment'] = $comment;
        ?>
        <li <?php comment_class('media'); ?> id="comment-<?php comment_ID(); ?>">
            <article>
                <div class="comment-avatar pull-left">
                    <?php echo get_avatar( $comment, 75 ); ?>
                </div>
                <div class="comment-content media-body">
                    <p class="text-right right"><?php comment_reply_link(array_merge($args, array('reply_text' => __('Leave a Reply', 'nimbus'), 'depth' => $depth, 'max_depth' => $args['max_depth']))) ?></p>
                    <p class="text-left left"><strong><?php comment_author_link(); ?></strong><br />
                    <?php echo(get_comment_date()) ?> <?php edit_comment_link(__('(Edit)', 'nimbus'), '  ', '') ?></p>
                    <div class="clear"></div>
                    <?php 
                    if ($comment->comment_approved == '0') {
                    ?>
                        <em><?php _e('Your comment is awaiting moderation.', 'nimbus') ?></em>
                    <?php 
                    } 
                    comment_text(); 
                    ?>
                </div> 
            </article>
    <?php
    }
}    

/* **************************************************************************************************** */
// Modify Ping Output
/* **************************************************************************************************** */

if (!function_exists('nimbus_ping')){
    function nimbus_ping($comment, $args, $depth) {
        $GLOBALS['comment'] = $comment;
        ?>
        <li id="comment_<?php comment_ID(); ?>"><?php comment_author_link(); ?> - <?php comment_excerpt(); ?> 
    <?php
    }
}    
    
/* **************************************************************************************************** */
// Modify Avatar Classes
/* **************************************************************************************************** */
    
add_filter('get_avatar','nimbus_avatar_class');

if (!function_exists('nimbus_avatar_class')){
    function nimbus_avatar_class($class) {
        $class = str_replace("class='avatar", "class='avatar img-responsive", $class) ;
        return $class;
    }
}

/* **************************************************************************************************** */
// Add Image Classes ##Look for way to apply to exsisting
/* **************************************************************************************************** */

if (!function_exists('nimbus_add_image_class')){
    function nimbus_add_image_class($class){
        $class .= ' img-responsive';
        return $class;
    }
}
add_filter('get_image_tag_class','nimbus_add_image_class');
 
    
/* **************************************************************************************************** */
// Register Sidebar Select Box
/* **************************************************************************************************** */

add_action("admin_init", "nimbus_sidebar_meta_box");

function nimbus_sidebar_meta_box() {
    add_meta_box("sidebar_meta_box", __('Nimbus Sidebar Options', 'nimbus'), "nimbus_call_sidebar_meta_box", "page", "side", "high");
    add_meta_box("sidebar_meta_box", __('Nimbus Sidebar Options', 'nimbus'), "nimbus_call_sidebar_meta_box", "post", "side", "high");
}

function nimbus_call_sidebar_meta_box() {

    global $post;

    $custom = get_post_custom($post->ID);
    if (isset($custom["alt_sidebar_select"])) {
        $alt_sidebar_select = $custom["alt_sidebar_select"][0];
    } else {
        $alt_sidebar_select = "";
    }
    if (isset($_POST['sidebar_select'])) {
        $sidebar_select = $custom["sidebar_select"][0];
    }
    
    echo '<input type="hidden" name="meta_box_nonce" value="', wp_create_nonce(basename(__FILE__)), '" />';
    ?>  
    <p><?php _e('Sidebar Display Options:', 'nimbus') ?></p>
    <input class="" type="radio" name="sidebar_select" id="sidebar_select-left" value="left" <?php if (get_post_meta($post->ID, 'sidebar_select', true) == "left") { ?> checked <?php } ?>><label for="sidebar_select-left">Left</label><br />
    <input class="" type="radio" name="sidebar_select" id="sidebar_select-right" value="right" <?php if (get_post_meta($post->ID, 'sidebar_select', true) == "right") { ?> checked <?php } ?>><label for="sidebar_select-right">Right</label><br />
    <input class="" type="radio" name="sidebar_select" id="sidebar_select-none" value="none" <?php if (get_post_meta($post->ID, 'sidebar_select', true) == "none") { ?> checked <?php } ?>><label for="sidebar_select-none">No Sidebar</label><br />
    <p><?php _e('Enter the number of the alternate sidebar you would like to apply. Leave blank to use default.', 'nimbus') ?></p>
    <table>
        <tr><td><label><?php _e('Sidebar #', 'nimbus') ?></label></td><td><input type="text" name="alt_sidebar_select" style="width:35px;" value="<?php echo $alt_sidebar_select; ?>" size="20" maxlength="2" /></td></tr> 
    </table>
    <?php
}

/* **************************************************************************************************** */
// Save Sidebar Select Box
/* **************************************************************************************************** */

add_action('save_post', 'nimbus_save_sidebar_meta_box');

function nimbus_save_sidebar_meta_box($post_id) {

    global $post;

    // verify nonce

    if (isset($_POST['meta_box_nonce'])) {
        if (!wp_verify_nonce($_POST['meta_box_nonce'], basename(__FILE__))) {
            return $post_id;
        }
    }

    // check autosave

    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return $post_id;
    }

    // check permissions
    if (isset($_POST['post_type'])) {
        if ('page' == $_POST['post_type']) {
            if (!current_user_can('edit_page', $post_id)) {
                return $post_id;
            }
        } elseif (!current_user_can('edit_post', $post_id)) {
            return $post_id;
        }
    }

    if (isset($_POST['alt_sidebar_select'])) {
        update_post_meta($post_id, 'alt_sidebar_select', $_POST['alt_sidebar_select']);
    }
    if (isset($_POST['sidebar_select'])) {
        update_post_meta($post_id, 'sidebar_select', $_POST['sidebar_select']);
    } else {
        update_post_meta($post_id, 'sidebar_select', 'none');
    }
}    



/* **************************************************************************************************** */
// Register Featured Image Options Box
/* **************************************************************************************************** */

add_action("admin_init", "nimbus_featured_image_options_meta_box");

function nimbus_featured_image_options_meta_box() {
    add_meta_box("featured_image_options_meta_box", __('Nimbus Featured Image Options', 'nimbus'), "nimbus_call_featured_image_options_meta_box", "page", "side", "high");
    add_meta_box("featured_image_options_meta_box", __('Nimbus Featured Image Options', 'nimbus'), "nimbus_call_featured_image_options_meta_box", "post", "side", "high");
}
function nimbus_call_featured_image_options_meta_box() {
    global $post, $wp_query;
    $custom = get_post_custom($post->ID);
    if (isset($custom["on_page_checked"])) {
        $on_page_checked = $custom["on_page_checked"][0];
    } 
    echo '<input type="hidden" name="meta_box_nonce" value="', wp_create_nonce(basename(__FILE__)), '" />';
    if (( get_option('page_on_front') ==  $post->ID )) { 
    ?>
        <p><?php _e('There are no image options because this page is set as the Front Page', 'nimbus') ?></p>
    <?php 
    } else {
    ?>        
        <p><?php _e('Remember you need to attach a Featured Image for these setting to take effect.', 'nimbus') ?></p>
        <table>
                <tr><td><label><input type="checkbox" name="on_page_checked" value="true" <?php if (get_post_meta($post->ID, 'hide_image_on_page', true) == "true" ) { ?> checked <?php } ?> /></label></td><td>Don't Show Image at the Top of the Page</td></tr>          
        </table>
    <?php 
    } 
}

/* **************************************************************************************************** */
// Save Featured Image Options Box
/* **************************************************************************************************** */


add_action('save_post', 'nimbus_save_featured_image_options_meta_box');

function nimbus_save_featured_image_options_meta_box($post_id) {

    global $post;

    // verify nonce

    if (isset($_POST['meta_box_nonce'])) {
        if (!wp_verify_nonce($_POST['meta_box_nonce'], basename(__FILE__))) {
            return $post_id;
        }
    }

    // check autosave

    if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
        return $post_id;
    }

    // check permissions
    if (isset($_POST['post_type'])) {

        if ('page' == $_POST['post_type']) {
            if (!current_user_can('edit_page', $post_id)) {
                return $post_id;
            }
        } elseif (!current_user_can('edit_post', $post_id)) {
            return $post_id;
        }
    }

    if (isset($_POST['on_page_checked'])) {
        update_post_meta($post_id, 'hide_image_on_page', $_POST['on_page_checked']);
    } else {
        delete_post_meta($post_id, 'hide_image_on_page');
    }
}





/* **************************************************************************************************** */
// Load Admin CSS
/* **************************************************************************************************** */

add_action('admin_print_styles', 'nimbus_admin_styles');

function nimbus_admin_styles() {

    if (is_admin()) {
        wp_register_style("admin_css", get_template_directory_uri() . "/css/admin.css", array(), "1.0", "all");
        wp_enqueue_style('admin_css');
    }
}

/* **************************************************************************************************** */
// Load Public Scripts
/* **************************************************************************************************** */

add_action('wp_enqueue_scripts', 'nimbus_public_scripts');

if (!function_exists('nimbus_public_scripts')){
    function nimbus_public_scripts() {
        if (!is_admin()) {
            wp_register_script('bootstrap', get_template_directory_uri() . '/js/bootstrap.min.js', array('jquery'), '3.0.0');
            wp_enqueue_script('bootstrap');
        }
    }
}

/* **************************************************************************************************** */
// Load Public Scripts in Conditional
/* **************************************************************************************************** */

add_action('wp_head', 'nimbus_public_scripts_conditional');

if (!function_exists('nimbus_public_scripts_conditional')){
    function nimbus_public_scripts_conditional() {
    ?>
        <!--[if lt IE 9]>
            <script src="<?php echo get_template_directory_uri(); ?>/js/html5shiv.js"></script>
            <script src="<?php echo get_template_directory_uri(); ?>/js/respond.min.js"></script>
        <![endif]-->
    <?php
    }
}

/* **************************************************************************************************** */
// Load Public CSS
/* **************************************************************************************************** */


add_action('wp_print_styles', 'nimbus_public_styles');

if (!function_exists('nimbus_public_styles')){
    function nimbus_public_styles() {
        if (!is_admin()) {
            wp_register_style("bootstrap", get_template_directory_uri() . "/css/bootstrap.min.css", array(), "1.0", "all");
            wp_enqueue_style('bootstrap');
            wp_register_style( 'nimbus-style', get_bloginfo( 'stylesheet_url' ), false, get_bloginfo('version') );
            wp_enqueue_style( 'nimbus-style' );
            wp_register_style( 'font-awesome', get_template_directory_uri() . "/css/font-awesome.min.css", array(), "1.0", "all");
            wp_enqueue_style( 'font-awesome' );
        }
    }
}


/* **************************************************************************************************** */
// Scripts to footer
/* **************************************************************************************************** */

add_action('wp_footer', 'nimbus_wp_footer');

if (!function_exists('nimbus_wp_footer')){
    function nimbus_wp_footer() {
    ?>
    <script>
    jQuery(window).load(function() {
        jQuery('button, input[type="button"], input[type="reset"], input[type="submit"]').addClass('btn <?php echo nimbus_get_option('nimbus_button_color');?>');
        jQuery('a.btn').addClass('<?php echo nimbus_get_option('nimbus_button_color');?>');
    });
    </script>
    <?php
    }
}

/* **************************************************************************************************** */
// Register Post Types
/* **************************************************************************************************** */

// None 

/* **************************************************************************************************** */
// Register Post Type Taxonomies
/* **************************************************************************************************** */

// None 

/* **************************************************************************************************** */
// Register Gravatar
/* **************************************************************************************************** */


add_filter('avatar_defaults', 'nimbus_gravatar');

if (!function_exists('nimbus_gravatar')){
    function nimbus_gravatar($avatar_defaults) {
        $myavatar = nimbus_get_option('gravatar');
        $avatar_defaults[$myavatar] = "Custom Gravatar";
        return $avatar_defaults;
    }
}
           
/* **************************************************************************************************** */
// Nav Walker Class Based on: (see below)
/* **************************************************************************************************** */

/**
 * Class Name: wp_bootstrap_navwalker
 * GitHub URI: https://github.com/twittem/wp-bootstrap-navwalker
 * Description: A custom WordPress nav walker class to implement the Bootstrap 3 navigation style in a custom theme using the WordPress built in menu manager.
 * Version: 2.0.4
 * Author: Edward McIntyre - @twittem
 * License: GPL-2.0+
 * License URI: http://www.gnu.org/licenses/gpl-2.0.txt
 */

class wp_bootstrap_navwalker extends Walker_Nav_Menu {

	/**
	 * @see Walker::start_lvl()
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param int $depth Depth of page. Used for padding.
	 */
	function start_lvl( &$output, $depth = 0, $args = array() ) {
		$indent = str_repeat("\t", $depth);
		$output .= "\n$indent<ul role=\"menu\" class=\" dropdown-menu\">\n";
	}

	/**
	 * @see Walker::start_el()
	 * @since 3.0.0
	 *
	 * @param string $output Passed by reference. Used to append additional content.
	 * @param object $item Menu item data object.
	 * @param int $depth Depth of menu item. Used for padding.
	 * @param int $current_page Menu item ID.
	 * @param object $args
	 */

	function start_el( &$output, $item, $depth = 0, $args = array(), $id = 0 ) {
		$indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

		/**
		 * Dividers, Headers or Disabled
		 * =============================
		 * Determine whether the item is a Divider, Header, Disabled or regular
		 * menu item. To prevent errors we use the strcasecmp() function to so a
		 * comparison that is not case sensitive. The strcasecmp() function returns
		 * a 0 if the strings are equal.
		 */
		if (strcasecmp($item->attr_title, 'divider') == 0 && $depth === 1) {
			$output .= $indent . '<li role="presentation" class="divider">';
		} else if (strcasecmp($item->title, 'divider') == 0 && $depth === 1) {
			$output .= $indent . '<li role="presentation" class="divider">';
		} else if (strcasecmp($item->attr_title, 'dropdown-header') == 0 && $depth === 1) {
			$output .= $indent . '<li role="presentation" class="dropdown-header">' . esc_attr( $item->title );
		} else if (strcasecmp($item->attr_title, 'disabled') == 0) {
			$output .= $indent . '<li role="presentation" class="disabled"><a href="#">' . esc_attr( $item->title ) . '</a>';
		} else {

			$class_names = $value = '';

			$classes = empty( $item->classes ) ? array() : (array) $item->classes;
			$classes[] = 'menu-item-' . $item->ID;

			$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item, $args ) );

			if($args->has_children) {	$class_names .= ' dropdown'; }
			if(in_array('current-menu-item', $classes)) { $class_names .= ' active'; }

			$class_names = $class_names ? ' class="' . esc_attr( $class_names ) . '"' : '';

			$id = apply_filters( 'nav_menu_item_id', 'menu-item-'. $item->ID, $item, $args );
			$id = $id ? ' id="' . esc_attr( $id ) . '"' : '';

			$output .= $indent . '<li' . $id . $value . $class_names .'>';

			$atts = array();
			//$atts['title']  = ! empty( $item->title ) 	   ? $item->title 	   : '';
			$atts['target'] = ! empty( $item->target )     ? $item->target     : '';
			$atts['rel']    = ! empty( $item->xfn )        ? $item->xfn        : '';

			//If item has_children add atts to a
			if($args->has_children && $depth === 0) {
				$atts['href']   		= '#';
				$atts['data-toggle']	= 'dropdown';
				$atts['class']			= 'dropdown-toggle';
			} else {
				$atts['href'] = ! empty( $item->url ) ? $item->url : '';
			}

			$atts = apply_filters( 'nav_menu_link_attributes', $atts, $item, $args );

			$attributes = '';
			foreach ( $atts as $attr => $value ) {
				if ( ! empty( $value ) ) {
					$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
					$attributes .= ' ' . $attr . '="' . $value . '"';
				}
			}

			$item_output = $args->before;

			/*
			 * Glyphicons
			 * ===========
			 * Since the the menu item is NOT a Divider or Header we check the see
			 * if there is a value in the attr_title property. If the attr_title
			 * property is NOT null we apply it as the class name for the glyphicon.
			 */

			if(! empty( $item->attr_title )){
				$item_output .= '<a'. $attributes .'><span class="glyphicon ' . esc_attr( $item->attr_title ) . '"></span>&nbsp;';
			} else {
				$item_output .= '<a'. $attributes .'>';
			}

			$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after;
			$item_output .= ($args->has_children && $depth === 0) ? ' <span class="caret"></span></a>' : '</a>';
			$item_output .= $args->after;

			$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
		}
	}

	/**
	 * Traverse elements to create list from elements.
	 *
	 * Display one element if the element doesn't have any children otherwise,
	 * display the element and its children. Will only traverse up to the max
	 * depth and no ignore elements under that depth. 
	 *
	 * This method shouldn't be called directly, use the walk() method instead.
	 *
	 * @see Walker::start_el()
	 * @since 2.5.0
	 *
	 * @param object $element Data object
	 * @param array $children_elements List of elements to continue traversing.
	 * @param int $max_depth Max depth to traverse.
	 * @param int $depth Depth of current element.
	 * @param array $args
	 * @param string $output Passed by reference. Used to append additional content.
	 * @return null Null on failure with no changes to parameters.
	 */

	function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) {
        if ( !$element ) {
            return;
        }

        $id_field = $this->db_fields['id'];

        //display this element
        if ( is_object( $args[0] ) ) {
           $args[0]->has_children = ! empty( $children_elements[$element->$id_field] );
        }

        parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output);
    }
    
    public static function fallback( $args ) {
        $args = array(
            'depth'       => 2,
            'sort_column' => 'menu_order, post_title',
            'menu_class'  => 'fallback_cb',
            'include'     => '',
            'exclude'     => '',
            'echo'        => true,
            'show_home'   => 'Home',
            'link_before' => '',
            'link_after'  => '' 
        );
        wp_page_menu($args);
    }
    
}