/**
 * File navigation.js.
 *
 * Handles toggling the navigation menu for small screens and enables TAB key
 * navigation support for dropdown menus.
 */

( function() {
	var container, button, menu, links, i, len;

	container = document.getElementById( 'site-navigation' );
	if ( ! container ) {
		return;
	}

	button = container.getElementsByTagName( 'button' )[0];
	if ( 'undefined' === typeof button ) {
		return;
	}

	menu = container.getElementsByTagName( 'ul' )[0];

	// Hide menu toggle button if menu is empty and return early.
	if ( 'undefined' === typeof menu ) {
		button.style.display = 'none';
		return;
	}

	menu.setAttribute( 'aria-expanded', 'false' );
	if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
		menu.className += ' nav-menu';
	}

	button.onclick = function() {
		if ( -1 !== container.className.indexOf( 'toggled' ) ) {
			container.className = container.className.replace( ' toggled', '' );
			button.setAttribute( 'aria-expanded', 'false' );
			menu.setAttribute( 'aria-expanded', 'false' );

			jQuery(document).ready(function($) {
				$('.site-branding').css('display','block');
			} ); 

		} else {
			container.className += ' toggled';
			button.setAttribute( 'aria-expanded', 'true' );
			menu.setAttribute( 'aria-expanded', 'true' );

		}
	};

	/**
	 * Sets or removes .focus class on an element.
	 */
	function toggleFocus() {
		var self = this;

		// Move up through the ancestors of the current link until we hit .nav-menu.
		while (-1 === self.className.indexOf('nav-menu')) {

			// On li elements toggle the class .focus.
			if ('li' === self.tagName.toLowerCase()) {
				if (-1 !== self.className.indexOf('focus')) {
					self.className = self.className.replace(' focus', '');
				} else {
					self.className += ' focus';
				}
			}

			self = self.parentElement;
		}
	}

	/**
	 * Toggles `focus` class to allow submenu access on tablets.
	 */
	(function (container) {
		var touchStartFn, i,
			parentLink = container.querySelectorAll('.menu-item-has-children > a, .page_item_has_children > a');

		if ('ontouchstart' in window) {
			touchStartFn = function (e) {
				var menuItem = this.parentNode, i;

				if (!menuItem.classList.contains('focus')) {
					e.preventDefault();
					for (i = 0; i < menuItem.parentNode.children.length; ++i) {
						if (menuItem === menuItem.parentNode.children[i]) {
							continue;
						}
						menuItem.parentNode.children[i].classList.remove('focus');
					}
					menuItem.classList.add('focus');
				} else {
					menuItem.classList.remove('focus');
				}
			};

			for (i = 0; i < parentLink.length; ++i) {
				parentLink[i].addEventListener('touchstart', touchStartFn, false);
			}
		}
	}(container));
	
	/* Close meny with Esc key*/

	jQuery(document).ready(function($) {
	$( document ).keyup( function( e ) {
		if ( e.keyCode === 27 ) {
		if ( -1 !== container.className.indexOf( 'toggled' ) ) {
				container.className = container.className.replace( ' toggled', '' );
				button.setAttribute( 'aria-expanded', 'false' );
				menu.setAttribute( 'aria-expanded', 'false' );
			}
	     } 
	} ); 

});	

} )();

	/* Thanks to: Keyboard Accessible Dropdown Menus
	Copyright 2013 Amy Hendrix (email : amy@amyhendrix.net), Graham Armfield (email : graham.armfield@coolfields.co.uk)
	License:      MIT
	Plugin URI:   https://github.com/sabreuse/accessible-menus
	*/

jQuery(document).ready(function($){	$('.main-navigation li').hover(
		function(){$(this).addClass("keyboard-dropdown");},
		function(){$(this).delay('250').removeClass("keyboard-dropdown");}
	);

	$('.main-navigation li a').on('focus blur',
		function(){$(this).parents().toggleClass("keyboard-dropdown");}
	);

});