Gary Sharp
84 lines
3.0 KiB
JavaScript
84 lines
3.0 KiB
JavaScript
(function ($, window, document, Modernizr) {
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// Document Ready
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$(function () {
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// Search Functionality
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$('#term').watermark('Search').keypress(function (e) {
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if (e.keyCode == 13) {
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$(this).closest('form').submit();
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return false;
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}
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}).focus(function () {
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$(this).select();
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});
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// Menu Functionality
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var $menu = $('#menu');
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var $menuItems = $menu.find('li');
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var $menuItemParents = $menuItems.filter('.hasSubMenu');
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var $menuSubMenus = $menuItems.filter('.subMenu');
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var menuAllowTouchNavigation = null;
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$menuItemParents.each(function () {
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var $parent = $(this);
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var $subMenu = $parent.children('ul.subMenu');
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$parent.data('menuSubMenu', $subMenu);
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}).mouseover(function () {
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var $parent = $(this);
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var $subMenu = $parent.data('menuSubMenu');
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var hideToken = $parent.data('menuHideToken');
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if (hideToken)
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window.clearTimeout(hideToken);
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if (!$subMenu.is(':visible')) {
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$subMenu.show();
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if (menuAllowTouchNavigation !== null)
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menuTouchPreventNavigation();
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}
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}).mouseout(function () {
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var $parent = $(this);
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var $subMenu = $parent.data('menuSubMenu');
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var hideToken = window.setTimeout(function () {
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$subMenu.hide();
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}, 250);
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$parent.data('menuHideToken', hideToken);
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});
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if (Modernizr.touch) {
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menuAllowTouchNavigation = true;
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$menuItemParents.children('a').on('touchstart', menuTouchStarted);
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} else if (window.navigator.msPointerEnabled) {
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menuAllowTouchNavigation = true;
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$menuItemParents.children('a').on('MSPointerUp', menuTouchMSPointerUp);
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}
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function menuTouchPreventNavigation() {
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// Block Touch Navigation for 350ms
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allowTouchNavigation = false;
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window.setTimeout(function () {
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allowTouchNavigation = true;
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}, 350);
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}
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function menuTouchNavigationBlockClick(e) {
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$(this).off('click', menuTouchNavigationBlockClick);
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e.preventDefault();
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}
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//#region TouchEvents Implementation
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function menuSubMenuVisible($element) {
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return $element.closest('li').data('menuSubMenu').is(':visible');
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}
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function menuTouchStarted(e) {
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var $this = $(this);
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if (!menuSubMenuVisible($this))
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$this.click(menuTouchNavigationBlockClick);
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}
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//#endregion
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//#region MS Pointer Implementation
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function menuTouchMSPointerUp(e) {
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if (!allowTouchNavigation && e.originalEvent.pointerType == e.originalEvent.MSPOINTER_TYPE_TOUCH)
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$(this).click(menuTouchNavigationBlockClick);
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}
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//#endregion
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});
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})(jQuery, window, document, Modernizr); |