functions.php

<?php

/*	~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 

HRI
March 2014
by UITS Web Lab 

brian.dunnigan@uconn.edu

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ */

add_theme_support( 'post-thumbnails' ); 

// register the menus
function register_my_menus() {
	register_nav_menu( 'primary', __( 'Primary Menu', 'hri' ) );
}

add_action( 'init', 'register_my_menus' );

function get_post_thumbnail_caption() {
	if ( $thumb = get_post_thumbnail_id() )
		return get_post( $thumb )->post_excerpt;
}

add_action( 'init', 'create_post_type' );
function create_post_type() {

	$labels = array(
		'name'                => _x( 'Faculty/Staff', 'Post Type General Name', 'text_domain' ),
		'singular_name'       => _x( 'Faculty/Staff', 'Post Type Singular Name', 'text_domain' ),
		'menu_name'           => __( 'Faculty/Staff', 'text_domain' ),
		'parent_item_colon'   => __( 'Parent Faculty/Staff:', 'text_domain' ),
		'all_items'           => __( 'All Faculty/Staff', 'text_domain' ),
		'view_item'           => __( 'View Faculty/Staff', 'text_domain' ),
		'add_new_item'        => __( 'Add Faculty/Staff', 'text_domain' ),
		'add_new'             => __( 'New Faculty/Staff', 'text_domain' ),
		'edit_item'           => __( 'Edit Faculty/Staff', 'text_domain' ),
		'update_item'         => __( 'Update Faculty/Staff', 'text_domain' ),
		'search_items'        => __( 'Search Faculty/Staff', 'text_domain' ),
		'not_found'           => __( 'No Faculty/Staff found', 'text_domain' ),
		'not_found_in_trash'  => __( 'No Faculty/Staff found in Trash', 'text_domain' ),
	);
	$args = array(
		'label'               => __( 'Faculty/Staff', 'text_domain' ),
		'description'         => __( 'Faculty/Staff', 'text_domain' ),
		'supports'            => array( 'title', 'editor', 'excerpt', 'author', 'thumbnail', 'comments', 'custom-fields', 'page-attributes', 'post-formats', 'categories' ),
		'hierarchical'        => false,
		'public'              => true,
		'show_ui'             => true,
		'show_in_menu'        => true,
		'show_in_nav_menus'   => true,
		'show_in_admin_bar'   => true,
		'menu_position'       => 5,
		'menu_icon'           => 'dashicons-groups',
		'can_export'          => true,
		'has_archive'         => true,
		'exclude_from_search' => false,
		'publicly_queryable'  => true,
		'query_var'           => 'faculty_staff',
		'capability_type'     => 'page',
		'taxonomies' => array('category', 'post_tag'),
		'rewrite' => array('slug' => 'faculty_staff'),
	);
	register_post_type( 'faculty_staff', $args );
}

function my_cpt_post_types( $post_types ) {
     $post_types[] = 'faculty_staff';
    return $post_types;
}

add_filter( 'cpt_post_types', 'my_cpt_post_types' );

/* Flush rewrite rules for custom post types. */
add_action( 'after_switch_theme', 'bt_flush_rewrite_rules' );

/* Flush your rewrite rules */
function bt_flush_rewrite_rules() {
     flush_rewrite_rules();
}

function custom_excerpt_length( $length ) {
	return 27;
}
add_filter( 'excerpt_length', 'custom_excerpt_length', 999 );

function new_excerpt_more( $more ) {
	return '... <a class="read-more" href="'. get_permalink( get_the_ID() ) . '">READ MORE</a>';
}
add_filter( 'excerpt_more', 'new_excerpt_more' ); 






/*
Disabled until theme supports these types... (AB June 26, 2013)
add_theme_support( 'post-formats', array( 'aside', 'image', 'link', 'quote', 'status' ) );
*/

$header_args = array(
	'width'         => 950,
	'header-text'            => false,
	'default-image' => get_template_directory_uri() . '/images/header.jpg',
);
add_theme_support( 'custom-header', $header_args );

if ( function_exists('register_sidebar') ) {
	register_sidebar(array(
		'name' => 'Home - Calendar',
		'id' => 'home-calendar', 
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Home - Slideshow',
		'id' => 'sidebar-slideshow', 
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - About Us 1',
		'id' => 'sidebar-about1',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - About Us 2',
		'id' => 'sidebar-about2',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - About Us 3',
		'id' => 'sidebar-about3',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Academic Programs 1',
		'id' => 'sidebar-academic1',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Academic Programs 2',
		'id' => 'sidebar-academic2',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Academic Programs 3',
		'id' => 'sidebar-academic3',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
		register_sidebar(array(
		'name' => 'Sidebar - Research Programs 1',
		'id' => 'sidebar-research1',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Research Programs 2',
		'id' => 'sidebar-research2',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Research Programs 3',
		'id' => 'sidebar-research3',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Events 1',
		'id' => 'sidebar-events1',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Events 2',
		'id' => 'sidebar-events2',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Events 3',
		'id' => 'sidebar-events3',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Resources 1',
		'id' => 'sidebar-resources1',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Resources 2',
		'id' => 'sidebar-resources2',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Resources 3',
		'id' => 'sidebar-resources3',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Awards &amp; Fellowships 1',
		'id' => 'sidebar-awards1',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Awards &amp; Fellowships 2',
		'id' => 'sidebar-awards2',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Awards &amp; Fellowships 3',
		'id' => 'sidebar-awards3',
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	register_sidebar(array(
		'name' => 'Sidebar - Contact',
		'id' => 'sidebar-contact1', 
		'before_title' => '<h2 class="widget-title">',
		'after_title' => '</h2>',
	));
	
	
	
}





function hale_enqueue_scripts() {
	wp_enqueue_script('bootstrap-min', get_bloginfo('template_url').'/bootstrap/js/bootstrap.min.js', array('jquery'));
	//wp_enqueue_script('uc-modernizr', get_bloginfo('template_url').'/js/uc-modernizr.js', array('jquery'));
	wp_enqueue_script( 'jquery-ui-tabs', array('jquery') );
	wp_enqueue_script('uc-hale-custom', get_bloginfo('template_url').'/js/custom.js', array('jquery'));
	$data = array('site_url' => __(site_url()));
	//wp_enqueue_script('history', get_bloginfo('template_url').'/js/jquery.history.js', array('jquery'));//Used for News-Archive page
	wp_localize_script( 'uc-hale-custom', 'clas_object', array( 'ajaxurl' => admin_url( 'admin-ajax.php' ), 'siteurl' => site_url() ) );
	
}
add_action('wp_enqueue_scripts', 'hale_enqueue_scripts');

add_action( 'wp_ajax_clas_post_title', 'prefix_ajax_clas_post_title' );
add_action('wp_ajax_nopriv_clas_post_title', 'prefix_ajax_clas_post_title');
function prefix_ajax_clas_post_title(){
	$id = $_POST['data'];
	$content_post = get_post($id);
	$object = new stdClass();
	header('Content-type: application/json');
	echo json_encode($object);
	die();	
}

add_action( 'wp_ajax_clas_post_content', 'prefix_ajax_clas_post_content' );
add_action('wp_ajax_nopriv_clas_post_content', 'prefix_ajax_clas_post_content');
function prefix_ajax_clas_post_content() { //Retrieves post info and content for ajax on News-Archive
    $id = $_POST['postID'];
	$content_post = get_post($id);
	$content = do_shortcode(wpautop($content_post->post_content));
	$title = $content_post->post_title;
	$date = get_the_time( 'F j, Y', $id );
	$featured_image = get_the_post_thumbnail( $id, 'medium' );
	$link = get_permalink( $id );
	$slug = $content_post->post_name;
	$object = new stdClass();
	$object->content = htmlspecialchars_decode($content);
	$object->title = $title;
	$object->postdate = $date;
	$object->image = $featured_image;
	$object->link = $link;
	$object->slug = $slug;
	$object->id = $id;
	header('Content-type: application/json');
	echo json_encode($object);
	die();
}
add_action( 'wp_ajax_clas_tag_posts', 'prefix_ajax_clas_tag_posts' );
add_action('wp_ajax_nopriv_clas_tag_posts', 'prefix_ajax_clas_tag_posts');
function prefix_ajax_clas_tag_posts() { //Retieves posts of a specific tag, using class name
    $tag = $_POST['val'];
	$args = "tag='".$tag."'&orderby=post-date&field=ids";
	$ids = get_posts( $args );
	if( $tag == 'All News' ){
		$ids = get_posts( 'orderby=post-date&field=ids&numberposts=-1' ); 
	}
	$object = new stdClass();
	foreach( $ids as $k=>$id ){
		$link = get_permalink($id);
		$title = get_the_title($id);
		$object->$k->link = $link;
		$object->$k->title = $title;
		$object->$k->postID = $id;
	}
	header('Content-type: application/json');
	echo json_encode($object);
	die();
}

//Bootstrap whitelist
/*function add_allowed_tags($tags) {
	$newtags = array(
			'div',
			'ul',
			'li',
			'button',
			'a');
	$newattrs = array(
			'data-toggle' => true,
			'data-dismiss' => true,
			'data-target' => true,
			'data-spy' => true,
			'data-loading-text' => true,
			'data-parent' => true,
			'data-slide' => true,
			'data-slide-to' => true,
			'data-provide' => true,
			'data-interval' => true,
			'data-pause' => true,
			'data-animation' => true,
			'data-html' => true,
			'data-placement' => true,
			'data-selector' => true,
			'data-title' => true,
			'data-trigger' => true,
			'data-delay' => true,
			'data-container' => true);

	foreach($newtags as $newtag){
		if( isset($tags[$newtag]) && is_array($tags[$newtag])){
			$tags[$newtag] = array_merge($tags[$newtag], $newattrs);
		}
		else{
			$tags[$newtag] = $newattrs;
		}
	}
	
    return $tags;
}
add_filter('wp_kses_allowed_html', 'add_allowed_tags');*/


add_action( 'wp_ajax_clas_cat_posts', 'prefix_ajax_clas_cat_posts' );
add_action('wp_ajax_nopriv_clas_cat_posts', 'prefix_ajax_clas_cat_posts');
function prefix_ajax_clas_cat_posts() { //Retieves posts of a specific category or tag, using cat/tag id
	$json = $_POST['data'];
	$tax = $json['taxonomy'];
	$val = $json['value'];
	if( $tax == 'category' ){
		$args = "category='".$val."'&orderby=post-date&field=ids&numberposts=-1";
	} else if( $tax == 'tag' ) {
		$args = "tag_id=".$val."&orderby=post-date&field=ids&numberposts=-1";
	}
	$ids = get_posts( $args );
	if( $val == "0" ){
		$ids = get_posts( 'orderby=post-date&field=ids&numberposts=-1' );
	}
	$object = new stdClass();
	foreach( $ids as $k=>$id ){
		$link = get_permalink($id);
		$title = get_the_title($id);
		$object->$k->link = $link;
		$object->$k->title = $title;
		$object->$k->postID = $id;
	}
	header('Content-type: application/json');
	echo json_encode($object);
	die();
}

add_action( 'wp_ajax_clas_orderby_posts', 'prefix_ajax_clas_orderby_posts' );
add_action('wp_ajax_nopriv_clas_orderby_posts', 'prefix_ajax_clas_orderby_posts');
function prefix_ajax_clas_orderby_posts() { //Retrieves and sorts posts by date
    $order = $_POST['order'];
	$args = "order=".$order."&orderby=post-date&field=ids&numberposts=-1";
	$posts = get_posts( $args );
	$object = new stdClass();
	foreach( $posts as $k=>$id ){
		$link = get_permalink($id);
		$title = get_the_title($id);
		$object->$k->link = $link;
		$object->$k->title = $title;
		$object->$k->postID = $id;
	}
	header('Content-type: application/json');
	echo json_encode($object);
	die();
}

class hriRSS extends WP_Widget {
	function hriRSS(){
		$widget_ops = array(
            'description' => 'Widget to display events from RSS',
            'classname' => 'uc-hri-rss'
        );
        $this->WP_Widget('hri-rss-events', __('HRI Events Widget'), $widget_ops);   
	}
	public function widget( $args, $instance ){
		extract( $args );
        $title = apply_filters( 'widget_title', $instance['title'] );
        $rss = urldecode($instance['rss_feed']);
        $num = $instance['num_events'];
        echo $before_widget;
        if( !empty($title) ){
            //echo  $before_title . htmlspecialchars($title) . $after_title;
			echo '<h3 class="text-serif">'.htmlspecialchars($title).'</h3><hr>';
        }
        if( !empty($rss) && !empty($num) ){
			try {
				$curl = curl_init();
				curl_setopt($curl, CURLOPT_URL, $rss);
				curl_setopt($curl, CURLOPT_HEADER, 0);
				curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
				$content = curl_exec($curl);
				curl_close($curl);
				$x = simplexml_load_string($content);
				//$content = file_get_contents($rss);
				//$x = new SimpleXmlElement($content);
				
				echo "<div class='uc-cal uc-listcal'><ul class='uc-cal-list'>";
				
				$i = 0;
				
				while ($i < $num){
					$linkXML = $x->channel->item[$i]->link;
					$dateStr = substr(strval($linkXML), -10);
					$date = date( "F d, Y", strtotime($dateStr) );
					echo "<li class='uc-cal-item'><a class='uc-cal-event' href=\"" . $linkXML . "\" title=\"" . $x->channel->item[$i]->title . "\" target=\"_blank\"><span class='uc-cal-event-date'>".$date."</span><em class='uc-cal-event-title'>" . $x->channel->item[$i]->title . "</em></a></li>";
					$i++;
				}
			
				echo "</ul></div>";
			} 
			catch (Exception $e) {
				echo "<p>The blog feed doesn't seem to be available at the moment...</p>";
			}
        }
        echo $after_widget;
	}

    public function form( $instance ){
        $defaults = array( 'title' => __('Upcoming Events'), 'rss_feed' => __(''), 'num_events' => __(5) ); 
        $instance = wp_parse_args( (array) $instance, $defaults ); 
        ?>
        <p>
            <label for="<?php echo $this->get_field_id('title') ?>"> Widget Title:</label>
            <input type="text" class="widefat" value="<?php echo htmlspecialchars($instance['title']) ?>" id="<?php echo $this->get_field_id('title') ?>" name="<?php echo $this->get_field_name('title') ?>" />
        </p>
        <p>
            <label for="<?php echo $this->get_field_id('rss_feed')?>" > RSS Feed:</label>
            <input type="text" class="widefat" value="<?php echo htmlspecialchars(urldecode($instance['rss_feed']))?>" id="<?php echo $this->get_field_id('rss_feed')?>" name="<?php echo $this->get_field_name('rss_feed')?>" />
        </p>
        <p>
            <label for="<?php echo $this->get_field_id('num_events')?>" > Number of Events:</label>
            <input type="text" class="widefat" value="<?php echo (int)($instance['num_events'])?>" id="<?php echo $this->get_field_id('num_events')?>" name="<?php echo $this->get_field_name('num_events')?>" />
        </p>
        <?php
    }
   
    public function update( $new_instance, $old_instance ){
        $instance['title'] = $new_instance['title'];
        $instance['rss_feed'] = urlencode( $new_instance['rss_feed'] );
        $instance['num_events'] = (int)( $new_instance['num_events'] );
        return $instance;
    }
}
add_action('widgets_init', create_function('', 'register_widget("hriRSS");'));

function huskypress_customize_register( $wp_customize )
{
	//1. Define a new section (if desired) to the Theme Customizer
	$wp_customize->add_section( 'huskypress_options', 
         array(
            'title' => __( 'Template Options', 'mytheme' ), //Visible title of section
            'priority' => 35, //Determines what order this appears in
            'capability' => 'edit_theme_options', //Capability needed to tweak
            'description' => __('Allows you to customize header color and school, college, or division settings for Hale', 'huskypress'), //Descriptive tooltip
         ) 
      );
    $wp_customize->add_setting( 'templatecolor', //Give it a SERIALIZED name (so all theme settings can live under one db record)
         array(
            'default' => 'blue', //Default setting/value to save
            'type' => 'theme_mod', //Is this an 'option' or a 'theme_mod'?
            'capability' => 'edit_theme_options', //Optional. Special permissions for accessing this setting.
            'transport' => 'refresh', //What triggers a refresh of the setting? 'refresh' or 'postMessage' (instant)?
         ) 
      ); 
	$wp_customize->add_control('templatecolor', array(
        'type' => 'radio',
        'label' => 'UConn Header Color',
        'section' => 'huskypress_options',
        'choices' => array(
            'blue'=>'Blue'/*,
			'white'=>'White',
			'gray'=>'Gray'*/
        	)
    	)
	);
    $wp_customize->add_setting( 'templatelocation', //Give it a SERIALIZED name (so all theme settings can live under one db record)
         array(
            'default' => 'uconn', //Default setting/value to save
            'type' => 'theme_mod', //Is this an 'option' or a 'theme_mod'?
            'capability' => 'edit_theme_options', //Optional. Special permissions for accessing this setting.
            'transport' => 'refresh', //What triggers a refresh of the setting? 'refresh' or 'postMessage' (instant)?
         ) 
      ); 
	$wp_customize->add_control('templatelocation', array(
        'type' => 'radio',
        'label' => 'UConn Header Logo',
        'section' => 'huskypress_options',
        'choices' => array(
            'uconn'=>'University of Connecticut',
			'uchc'=>'UConn Health Center'
        	)
    	)
	);
    $wp_customize->add_setting( 'secondarytitle', //Give it a SERIALIZED name (so all theme settings can live under one db record)
         array(
            'default' => '-- Choose One --', //Default setting/value to save
            'type' => 'theme_mod', //Is this an 'option' or a 'theme_mod'?
            'capability' => 'edit_theme_options', //Optional. Special permissions for accessing this setting.
            'transport' => 'refresh', //What triggers a refresh of the setting? 'refresh' or 'postMessage' (instant)?
         ) 
      ); 

    $wp_customize->add_setting( 'homepagelayout', //Give it a SERIALIZED name (so all theme settings can live under one db record)
         array(
            'default' => '3-3', //Default setting/value to save
            'type' => 'theme_mod', //Is this an 'option' or a 'theme_mod'?
            'capability' => 'edit_theme_options', //Optional. Special permissions for accessing this setting.
            'transport' => 'refresh', //What triggers a refresh of the setting? 'refresh' or 'postMessage' (instant)?
         ) 
      ); 
	$wp_customize->add_control('homepagelayout', array(
        'type' => 'radio',
        'label' => 'Homepage Layout',
        'section' => 'huskypress_options',
        'choices' => array(
            '1-3'=>'1-3',
			'2L-3'=>'2L-3',
			'2R-3'=>'2R-3',
			'3-3'=>'3-3',
			'3-4'=>'3-4'
        	)
    	)
	);
}
add_action( 'customize_register', 'huskypress_customize_register' );

/*the fallback from wp_nav_menu, we want to replicate the output of wp_page_menu to be similar to wp_nav_menu
@param args, it comes from the wp_nav_menu arguments*/
function hale_main_nav_fallback($args) {
	$args['echo'] = 0; // don't echo the output yet.
	$nav_menu = wp_page_menu($args);
	if(!empty($nav_menu)){
		$doc = new DOMDocument();
		@$doc->loadHTML($nav_menu);//surpress the warnings
		$data = $doc->getElementsByTagName('li');
		//the default behaviour of wp_page_menu is that it wraps the list items with a ul and div
		//menu_class is for div in wp_page_menu, but is for the ul in wp_nav_menu
		//create the container, if any
		//container class and id come from wp_nav_menu arguments. Which is not used in wp_page_menu.
		if($args['container'] != false) {
			$attributes = (!empty($args['container_class'])?' class="'.$args['container_class'].'"':'');
			$attributes .= (!empty($args['container_id'])?' id="'.$args['container_id'].'"':'');
			if($args['container'] == 'nav') {
				echo '<nav'.$attributes.'>';
			} else {
				echo '<div'.$attributes.'>';
			}
			
		}
		$attributes = (!empty($args['menu_class'])?' class="'.$args['menu_class'].'"':'');
		$attributes .= (!empty($args['menu_id'])?' id="'.$args['menu_id'].'"':'');
		echo '<ul'.$attributes.'>';
		if($data->length > 0) {
			foreach($data as $item) {		
				echo $item->ownerDocument->saveXML($item);//saveHTML wouldn't accept it as paramater.
			}
		}
		echo '</ul>';
		//close the container, if any
		if($args['container'] != false) {
			if($args['container'] == 'nav') {
				echo '</nav>';
			} else {
				echo '</div>';
			}
			
		}
	}	
	return;
}
/*Nav Menu Walker*/
if(!class_exists('Bootstrap_Nav_Walker')) {
	class Bootstrap_Nav_Walker extends Walker_Nav_Menu {     
		/*This was taken from 320press WP-Bootstrap theme. No licensing restriction given, and it said it was free. */
		/* Start of the <ul> 
		 * 
		 * Note on $depth: Counterintuitively, $depth here means the "depth right before we start this menu".  
		 *                   So basically add one to what you'd expect it to be 
		 */         
		function start_lvl(&$output, $depth, $args) 
		{
			if(isset($args->with_search) && $args->with_search == true){
				add_filter('wp_nav_menu_items', 'search_menu_item', 1, 2);	
			}
			
			$tabs = str_repeat("\t", $depth); 
			// If we are about to start the first submenu, we need to give it a dropdown-menu class 
			if ($depth >= 0) { //really, level-1 or level-2, because $depth is misleading here (see note above) 
				$output .= "\n{$tabs}<ul class=\"dropdown-menu\">\n"; 
			} else { 
				$output .= "\n{$tabs}<ul>\n"; 
			} 	
			return;
		} 
	
		/* End of the <ul> 
		 * 
		 * Note on $depth: Counterintuitively, $depth here means the "depth right before we start this menu".  
		 *                   So basically add one to what you'd expect it to be 
		 */         
		function end_lvl(&$output, $depth)  
		{
			if ($depth == 0) { // This is actually the end of the level-1 submenu ($depth is misleading here too!) 
	
				// we don't have anything special for Bootstrap, so we'll just leave an HTML comment for now 
				$output .= '<!--.dropdown-->'; 
			} 
			$tabs = str_repeat("\t", $depth); 
			$output .= "\n{$tabs}</ul>\n"; 
			return; 
		}
	
		/* Output the <li> and the containing <a> 
		 * Note: $depth is "correct" at this level 
		 */         
		function start_el(&$output, $item, $depth, $args)  
		{    
			global $wp_query; 
			$indent = ( $depth ) ? str_repeat( "\t", $depth ) : ''; 
			$class_names = $value = ''; 
			$classes = empty( $item->classes ) ? array() : (array) $item->classes; 
	
			/* If this item has a dropdown menu, add the 'dropdown' class for Bootstrap */ 
			if($item->post_type == 'page') { //page has no classes..
				$classes[] = 'menu-item';
			}
			if ($item->hasChildren) { 
				$classes[] = 'dropdown'; 
				// level-1 menus also need the 'dropdown-submenu' class 
				if($depth > 0 ) { 
					$classes[] = 'dropdown-submenu'; 
				} 
			} 
	
			/* This is the stock Wordpress code that builds the <li> with all of its attributes */ 
			$class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) ); 
			$class_names = ' class="' . esc_attr( $class_names ) . '"'; 
			$output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';             
			$attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : ''; 
			$attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : ''; 
			$attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
			if($item->post_type == 'page') {
				$attributes .= ! empty( $item->guid )        ? ' href="'   . esc_attr( $item->guid       ) .'"' : '';
			} else {
				$attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';
			}
			
			$item_output = "";
			if($item->post_type == 'page') {
				if ($item->hasChildren && $depth == 0) { 
					$item_output .= '<a'. $attributes .' class="dropdown-toggle" data-toggle="dropdown">'; 
				} else { 
					$item_output .= '<a'. $attributes .'>'; 
				} 
				$item_output .= apply_filters('the_title', $item->post_title, $item->ID);
				if ($item->hasChildren && $depth == 0) { 
					$item_output .= '<b class="caret"></b></a>'; 
				} else { 
					$item_output .= '</a>'; 
				} 
				
			} else {
				$item_output = $args->before; 
	
				/* If this item has a dropdown menu, make clicking on this link toggle it */ 
				if ($item->hasChildren && $depth == 0) { 
					$item_output .= '<a'. $attributes .' class="dropdown-toggle" data-toggle="dropdown">'; 
				} else { 
					$item_output .= '<a'. $attributes .'>'; 
				} 
				//var_dump($item);
				
				$item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; 
		
				/* Output the actual caret for the user to click on to toggle the menu */             
				
				if ($item->hasChildren && $depth == 0) { 
					$item_output .= '<b class="caret"></b></a>'; 
				} else { 
					$item_output .= '</a>'; 
				} 
				$item_output .= $args->after; 
			}
			$output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); 
			return; 
		}
	
		/* Close the <li> 
		 * Note: the <a> is already closed 
		 * Note 2: $depth is "correct" at this level 
		 */         
		function end_el (&$output, $item, $depth, $args)
		{
			$output .= '</li>'; 
			return;
		} 
	
		/* Add a 'hasChildren' property to the item 
		 * Code from: http://wordpress.org/support/topic/how-do-i-know-if-a-menu-item-has-children-or-is-a-leaf#post-3139633  
		 */ 
		function display_element ($element, &$children_elements, $max_depth, $depth = 0, $args, &$output) 
		{ 
		/*	if($element->post_type == 'page' && !isset($children_elements[$element->ID])) {
				
				$children = get_children(array('post_parent' => $element->ID, 'numberposts' => -1, 'post_type' => 'page'));
				$children_elements[$element->ID] = $children;
			}*/
			// check whether this item has children, and set $item->hasChildren accordingly 
			$element->hasChildren = isset($children_elements[$element->ID]) && !empty($children_elements[$element->ID]); 
			
			//var_dump($children_elements);
//		var_dump($element);
			/*if($element->hasChildren) {
				$element2 = $children_elements[$element->ID];
				$child2 = $children_elements[$element2->ID];
				$element2->hasChildren = isset($child2[$element2->ID]) && !empty($child2[$element2->ID]); 
			}*/
			// continue with normal behavior 
			return parent::display_element($element, $children_elements, $max_depth, $depth, $args, $output); 
		}         
	}
}

function search_menu_item($items, $args){
	
	// Reference: http://www.wpbeginner.com/wp-themes/how-to-add-custom-items-to-specific-wordpress-menus/
	if ($args->theme_location == 'primary') {
		$items = '
			<li id="sitesearch">
				<form id="searchForm" method="get" action="'.get_bloginfo('wpurl').'/search-results/">
					<div class="input-append">
						<input name="search" type="text" id="sitesearch-input" placeholder="Search this Site..."><button class="btn" type="button" value="Go" id="sbutton"><i class="icon-search"></i></button>
						<input type="hidden" id="stype" name="stype" value="site">
						
					</div>
				</form>
				</li>
		' . $items;	
	}
	return $items;
}

?>