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

	// Get all the link elements within the menu.
	links    = menu.getElementsByTagName( 'a' );
	subMenus = menu.getElementsByTagName( 'ul' );

	// Set menu items with submenus to aria-haspopup="true".
	for ( i = 0, len = subMenus.length; i < len; i++ ) {
		subMenus[i].parentNode.setAttribute( 'aria-haspopup', 'true' );
	}

	// Each time a menu link is focused or blurred, toggle focus.
	for ( i = 0, len = links.length; i < len; i++ ) {
		links[i].addEventListener( 'focus', toggleFocus, true );
		links[i].addEventListener( 'blur', toggleFocus, 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;
		}
	}
} )();


/**
 * File skip-link-focus-fix.js.
 *
 * Helps with accessibility for keyboard only users.
 *
 * Learn more: https://git.io/vWdr2
 */
( function() {
	var isWebkit = navigator.userAgent.toLowerCase().indexOf( 'webkit' ) > -1,
	    isOpera  = navigator.userAgent.toLowerCase().indexOf( 'opera' )  > -1,
	    isIe     = navigator.userAgent.toLowerCase().indexOf( 'msie' )   > -1;

	if ( ( isWebkit || isOpera || isIe ) && document.getElementById && window.addEventListener ) {
		window.addEventListener( 'hashchange', function() {
			var id = location.hash.substring( 1 ),
				element;

			if ( ! ( /^[A-z0-9_-]+$/.test( id ) ) ) {
				return;
			}

			element = document.getElementById( id );

			if ( element ) {
				if ( ! ( /^(?:a|select|input|button|textarea)$/i.test( element.tagName ) ) ) {
					element.tabIndex = -1;
				}

				element.focus();
			}
		}, false );
	}
})();


/**
 * File theme-scripts.js.
 *
 * Theme Scripts contains all the theme specific scripting.
 *
 */

( function( $ ) {

  // Smooth scrolling to top of page or anchor on page.
  $(document).scroll(function() {
    var y = $(this).scrollTop();
    if (y > 800) {
      $('.back-to-top').css({
        'opacity':'1'
      });
    } else {
      $('.back-to-top').css({
        'opacity':'0'
      });
    }
  });




  // Masonry effect added to core Galleries
  var container = document.querySelector('.gallery');
  var msnry;
  // initialize Masonry after all images have loaded
  if(container != undefined){
      imagesLoaded( container, function() {
          msnry = new Masonry( container, {
            itemSelector: '.gallery-item',
            columnWidth: '.gallery-item',
          });
      });
  }

  $('.gr-reviews').masonry({
    columnWidth: '.gr-review',
    itemSelector: '.gr-review'
  });


  $('.back-to-top').click(function() {
     if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
       var target = $(this.hash);
       target = target.length ? target : $('[name=' + this.hash.slice(1) +']');
       if (target.length) {
         $('html, body').animate({
           scrollTop: target.offset().top
         }, 1000);
         return false;
       }
     }
   });

} )( jQuery );
