Difference between revisions of "Team:Amsterdam/jquery.smartmenus.js"

Latest revision as of 23:11, 31 July 2015

/*!

* SmartMenus jQuery Plugin - v1.0.0-beta1 - June 1, 2015
* http://www.smartmenus.org/
*
* Copyright 2015 Vasil Dinkov, Vadikom Web Ltd.
* http://vadikom.com
*
* Licensed MIT
*/

(function($) {

var menuTrees = [], IE = !!window.createPopup, // detect it for the iframe shim mouse = false, // optimize for touch by default - we will detect for mouse input mouseDetectionEnabled = false;

// Handle detection for mouse input (i.e. desktop browsers, tablets with a mouse, etc.) function initMouseDetection(disable) { var eNS = '.smartmenus_mouse'; if (!mouseDetectionEnabled && !disable) { // if we get two consecutive mousemoves within 2 pixels from each other and within 300ms, we assume a real mouse/cursor is present // in practice, this seems like impossible to trick unintentianally with a real mouse and a pretty safe detection on touch devices (even with older browsers that do not support touch events) var firstTime = true, lastMove = null; $(document).bind(getEventsNS([ ['mousemove', function(e) { var thisMove = { x: e.pageX, y: e.pageY, timeStamp: new Date().getTime() }; if (lastMove) { var deltaX = Math.abs(lastMove.x - thisMove.x), deltaY = Math.abs(lastMove.y - thisMove.y); if ((deltaX > 0 || deltaY > 0) && deltaX <= 2 && deltaY <= 2 && thisMove.timeStamp - lastMove.timeStamp <= 300) { mouse = true; // if this is the first check after page load, check if we are not over some item by chance and call the mouseenter handler if yes if (firstTime) { var $a = $(e.target).closest('a'); if ($a.is('a')) { $.each(menuTrees, function() { if ($.contains(this.$root[0], $a[0])) { this.itemEnter({ currentTarget: $a[0] }); return false; } }); } firstTime = false; } } } lastMove = thisMove; }], [touchEvents() ? 'touchstart' : 'pointerover pointermove pointerout MSPointerOver MSPointerMove MSPointerOut', function(e) { if (isTouchEvent(e.originalEvent)) { mouse = false; } }] ], eNS)); mouseDetectionEnabled = true; } else if (mouseDetectionEnabled && disable) { $(document).unbind(eNS); mouseDetectionEnabled = false; } }

function isTouchEvent(e) { return !/^(4|mouse)$/.test(e.pointerType); }

// we use this just to choose between toucn and pointer events when we need to, not for touch screen detection function touchEvents() { return 'ontouchstart' in window; }

// returns a jQuery bind() ready object function getEventsNS(defArr, eNS) { if (!eNS) { eNS = ; } var obj = {}; $.each(defArr, function(index, value) { obj[value[0].split(' ').join(eNS + ' ') + eNS] = value[1]; }); return obj; }

$.SmartMenus = function(elm, options) { this.$root = $(elm); this.opts = options; this.rootId = ; // internal this.accessIdPrefix = ; this.$subArrow = null; this.activatedItems = []; // stores last activated A's for each level this.visibleSubMenus = []; // stores visible sub menus UL's (might be in no particular order) this.showTimeout = 0; this.hideTimeout = 0; this.scrollTimeout = 0; this.clickActivated = false; this.focusActivated = false; this.zIndexInc = 0; this.idInc = 0; this.$firstLink = null; // we'll use these for some tests this.$firstSub = null; // at runtime so we'll cache them this.disabled = false; this.$disableOverlay = null; this.isTouchScrolling = false; this.wasCollapsible = false; this.init(); };

$.extend($.SmartMenus, { hideAll: function() { $.each(menuTrees, function() { this.menuHideAll(); }); }, destroy: function() { while (menuTrees.length) { menuTrees[0].destroy(); } initMouseDetection(true); }, prototype: { init: function(refresh) { var self = this;

if (!refresh) { menuTrees.push(this);

this.rootId = (new Date().getTime() + Math.random() + ).replace(/\D/g, ); this.accessIdPrefix = 'sm-' + this.rootId + '-';

if (this.$root.hasClass('sm-rtl')) { this.opts.rightToLeftSubMenus = true; }

// init root (main menu) var eNS = '.smartmenus'; this.$root .data('smartmenus', this) .attr('data-smartmenus-id', this.rootId) .dataSM('level', 1) .bind(getEventsNS([ ['mouseover focusin', $.proxy(this.rootOver, this)], ['mouseout focusout', $.proxy(this.rootOut, this)], ['keydown', $.proxy(this.rootKeyDown, this)] ], eNS)) .delegate('a', getEventsNS([ ['mouseenter', $.proxy(this.itemEnter, this)], ['mouseleave', $.proxy(this.itemLeave, this)], ['mousedown', $.proxy(this.itemDown, this)], ['focus', $.proxy(this.itemFocus, this)], ['blur', $.proxy(this.itemBlur, this)], ['click', $.proxy(this.itemClick, this)], ['touchend', $.proxy(this.itemTouchEnd, this)] ], eNS));

// hide menus on tap or click outside the root UL eNS += this.rootId; if (this.opts.hideOnClick) { $(document).bind(getEventsNS([ ['touchstart', $.proxy(this.docTouchStart, this)], ['touchmove', $.proxy(this.docTouchMove, this)], ['touchend', $.proxy(this.docTouchEnd, this)], // for Opera Mobile < 11.5, webOS browser, etc. we'll check click too ['click', $.proxy(this.docClick, this)] ], eNS)); } // hide sub menus on resize $(window).bind(getEventsNS('resize orientationchange', $.proxy(this.winResize, this), eNS));

if (this.opts.subIndicators) { this.$subArrow = $('<span/>').addClass('sub-arrow'); if (this.opts.subIndicatorsText) { this.$subArrow.html(this.opts.subIndicatorsText); } }

// make sure mouse detection is enabled initMouseDetection(); }

// init sub menus this.$firstSub = this.$root.find('ul').each(function() { self.menuInit($(this)); }).eq(0);

this.$firstLink = this.$root.find('a').eq(0);

// find current item if (this.opts.markCurrentItem) { var reDefaultDoc = /(index|default)\.[^#\?\/]*/i, reHash = /#.*/, locHref = window.location.href.replace(reDefaultDoc, ), locHrefNoHash = locHref.replace(reHash, ); this.$root.find('a').each(function() { var href = this.href.replace(reDefaultDoc, ), $this = $(this); if (href == locHref || href == locHrefNoHash) { $this.addClass('current'); if (self.opts.markCurrentTree) { $this.parentsUntil('[data-smartmenus-id]', 'ul').each(function() { $(this).dataSM('parent-a').addClass('current'); }); } } }); }

// save initial state this.wasCollapsible = this.isCollapsible(); }, destroy: function(refresh) { if (!refresh) { var eNS = '.smartmenus'; this.$root .removeData('smartmenus') .removeAttr('data-smartmenus-id') .removeDataSM('level') .unbind(eNS) .undelegate(eNS); eNS += this.rootId; $(document).unbind(eNS); $(window).unbind(eNS); if (this.opts.subIndicators) { this.$subArrow = null; } } this.menuHideAll(); var self = this; this.$root.find('ul').each(function() { var $this = $(this); if ($this.dataSM('scroll-arrows')) { $this.dataSM('scroll-arrows').remove(); } if ($this.dataSM('shown-before')) { if (self.opts.subMenusMinWidth || self.opts.subMenusMaxWidth) { $this.css({ width: , minWidth: , maxWidth: }).removeClass('sm-nowrap'); } if ($this.dataSM('scroll-arrows')) { $this.dataSM('scroll-arrows').remove(); } $this.css({ zIndex: , top: , left: , marginLeft: , marginTop: , display: }); } if ($this.attr('id').indexOf(self.accessIdPrefix) == 0) { $this.removeAttr('id'); } }) .removeDataSM('in-mega') .removeDataSM('shown-before') .removeDataSM('ie-shim') .removeDataSM('scroll-arrows') .removeDataSM('parent-a') .removeDataSM('level') .removeDataSM('beforefirstshowfired') .removeAttr('role') .removeAttr('aria-hidden') .removeAttr('aria-labelledby') .removeAttr('aria-expanded'); this.$root.find('a.has-submenu').each(function() { var $this = $(this); if ($this.attr('id').indexOf(self.accessIdPrefix) == 0) { $this.removeAttr('id'); } }) .removeClass('has-submenu') .removeDataSM('sub') .removeAttr('aria-haspopup') .removeAttr('aria-controls') .removeAttr('aria-expanded') .closest('li').removeDataSM('sub'); if (this.opts.subIndicators) { this.$root.find('span.sub-arrow').remove(); } if (this.opts.markCurrentItem) { this.$root.find('a.current').removeClass('current'); } if (!refresh) { this.$root = null; this.$firstLink = null; this.$firstSub = null; if (this.$disableOverlay) { this.$disableOverlay.remove(); this.$disableOverlay = null; } menuTrees.splice($.inArray(this, menuTrees), 1); } }, disable: function(noOverlay) { if (!this.disabled) { this.menuHideAll(); // display overlay over the menu to prevent interaction if (!noOverlay && !this.opts.isPopup && this.$root.is(':visible')) { var pos = this.$root.offset(); this.$disableOverlay = $('<div class="sm-jquery-disable-overlay"/>').css({ position: 'absolute', top: pos.top, left: pos.left, width: this.$root.outerWidth(), height: this.$root.outerHeight(), zIndex: this.getStartZIndex(true), opacity: 0 }).appendTo(document.body); } this.disabled = true; } }, docClick: function(e) { if (this.isTouchScrolling) { this.isTouchScrolling = false; return; } // hide on any click outside the menu or on a menu link if (this.visibleSubMenus.length && !$.contains(this.$root[0], e.target) || $(e.target).is('a')) { this.menuHideAll(); } }, docTouchEnd: function(e) { if (!this.lastTouch) { return; } if (this.visibleSubMenus.length && (this.lastTouch.x2 === undefined || this.lastTouch.x1 == this.lastTouch.x2) && (this.lastTouch.y2 === undefined || this.lastTouch.y1 == this.lastTouch.y2) && (!this.lastTouch.target || !$.contains(this.$root[0], this.lastTouch.target))) { if (this.hideTimeout) { clearTimeout(this.hideTimeout); this.hideTimeout = 0; } // hide with a delay to prevent triggering accidental unwanted click on some page element var self = this; this.hideTimeout = setTimeout(function() { self.menuHideAll(); }, 350); } this.lastTouch = null; }, docTouchMove: function(e) { if (!this.lastTouch) { return; } var touchPoint = e.originalEvent.touches[0]; this.lastTouch.x2 = touchPoint.pageX; this.lastTouch.y2 = touchPoint.pageY; }, docTouchStart: function(e) { var touchPoint = e.originalEvent.touches[0]; this.lastTouch = { x1: touchPoint.pageX, y1: touchPoint.pageY, target: touchPoint.target }; }, enable: function() { if (this.disabled) { if (this.$disableOverlay) { this.$disableOverlay.remove(); this.$disableOverlay = null; } this.disabled = false; } }, getClosestMenu: function(elm) { var $closestMenu = $(elm).closest('ul'); while ($closestMenu.dataSM('in-mega')) { $closestMenu = $closestMenu.parent().closest('ul'); } return $closestMenu[0] || null; }, getHeight: function($elm) { return this.getOffset($elm, true); }, // returns precise width/height float values getOffset: function($elm, height) { var old; if ($elm.css('display') == 'none') { old = { position: $elm[0].style.position, visibility: $elm[0].style.visibility }; $elm.css({ position: 'absolute', visibility: 'hidden' }).show(); } var box = $elm[0].getBoundingClientRect && $elm[0].getBoundingClientRect(), val = box && (height ? box.height || box.bottom - box.top : box.width || box.right - box.left); if (!val && val !== 0) { val = height ? $elm[0].offsetHeight : $elm[0].offsetWidth; } if (old) { $elm.hide().css(old); } return val; }, getStartZIndex: function(root) { var zIndex = parseInt(this[root ? '$root' : '$firstSub'].css('z-index')); if (!root && isNaN(zIndex)) { zIndex = parseInt(this.$root.css('z-index')); } return !isNaN(zIndex) ? zIndex : 1; }, getTouchPoint: function(e) { return e.touches && e.touches[0] || e.changedTouches && e.changedTouches[0] || e; }, getViewport: function(height) { var name = height ? 'Height' : 'Width', val = document.documentElement['client' + name], val2 = window['inner' + name]; if (val2) { val = Math.min(val, val2); } return val; }, getViewportHeight: function() { return this.getViewport(true); }, getViewportWidth: function() { return this.getViewport(); }, getWidth: function($elm) { return this.getOffset($elm); }, handleEvents: function() { return !this.disabled && this.isCSSOn(); }, handleItemEvents: function($a) { return this.handleEvents() && !this.isLinkInMegaMenu($a); }, isCollapsible: function() { return this.$firstSub.css('position') == 'static'; }, isCSSOn: function() { return this.$firstLink.css('display') == 'block'; }, isFixed: function() { var isFixed = this.$root.css('position') == 'fixed'; if (!isFixed) { this.$root.parentsUntil('body').each(function() { if ($(this).css('position') == 'fixed') { isFixed = true; return false; } }); } return isFixed; }, isLinkInMegaMenu: function($a) { return $(this.getClosestMenu($a[0])).hasClass('mega-menu'); }, isTouchMode: function() { return !mouse || this.isCollapsible(); }, itemActivate: function($a, focus) { var $ul = $a.closest('ul'), level = $ul.dataSM('level'); // if for some reason the parent item is not activated (e.g. this is an API call to activate the item), activate all parent items first if (level > 1 && (!this.activatedItems[level - 2] || this.activatedItems[level - 2][0] != $ul.dataSM('parent-a')[0])) { var self = this; $($ul.parentsUntil('[data-smartmenus-id]', 'ul').get().reverse()).add($ul).each(function() { self.itemActivate($(this).dataSM('parent-a')); }); } // hide any visible deeper level sub menus if (!this.isCollapsible() || focus) { this.menuHideSubMenus(!this.activatedItems[level - 1] || this.activatedItems[level - 1][0] != $a[0] ? level - 1 : level); } // save new active item for this level this.activatedItems[level - 1] = $a; if (this.$root.triggerHandler('activate.smapi', $a[0]) === false) { return; } // show the sub menu if this item has one var $sub = $a.dataSM('sub'); if ($sub && (this.isTouchMode() || (!this.opts.showOnClick || this.clickActivated))) { this.menuShow($sub); } }, itemBlur: function(e) { var $a = $(e.currentTarget); if (!this.handleItemEvents($a)) { return; } this.$root.triggerHandler('blur.smapi', $a[0]); }, itemClick: function(e) { if (this.isTouchScrolling) { this.isTouchScrolling = false; e.stopPropagation(); return false; } var $a = $(e.currentTarget); if (!this.handleItemEvents($a)) { return; } if (this.$root.triggerHandler('click.smapi', $a[0]) === false) { return false; } // undo fix: prevent the address bar on iPhone from sliding down when expanding a sub menu if ($a.dataSM('href')) { $a.attr('href', $a.dataSM('href')).removeDataSM('href'); } var subArrowClicked = $(e.target).is('span.sub-arrow'), $sub = $a.dataSM('sub'); // if the sub is not visible if ($sub && !$sub.is(':visible')) { // try to activate the item and show the sub this.itemActivate($a); // if "itemActivate" showed the sub, prevent the click so that the link is not loaded // if it couldn't show it, then the sub menus are disabled with an !important declaration (e.g. via mobile styles) so let the link get loaded if ($sub.is(':visible')) { this.focusActivated = true; return false; } } else if (this.isCollapsible() && subArrowClicked) { this.itemActivate($a); this.menuHide($sub); return false; } if (this.opts.showOnClick && $sub && $sub.dataSM('level') == 2) { this.clickActivated = true; this.menuShow($sub); return false; } if ($a.hasClass('disabled')) { return false; } if (this.$root.triggerHandler('select.smapi', $a[0]) === false) { return false; } }, itemDown: function(e) { var $a = $(e.currentTarget); if (!this.handleItemEvents($a)) { return; } $a.dataSM('mousedown', true); }, itemEnter: function(e) { var $a = $(e.currentTarget); if (!this.handleItemEvents($a)) { return; } if (!this.isTouchMode()) { if (this.showTimeout) { clearTimeout(this.showTimeout); this.showTimeout = 0; } var self = this; this.showTimeout = setTimeout(function() { self.itemActivate($a); }, this.opts.showOnClick && $a.closest('ul').dataSM('level') == 1 ? 1 : this.opts.showTimeout); } this.$root.triggerHandler('mouseenter.smapi', $a[0]); }, itemFocus: function(e) { var $a = $(e.currentTarget); if (!this.handleItemEvents($a)) { return; } // fix (the mousedown check): in some browsers a tap/click produces consecutive focus + click events so we don't need to activate the item on focus if (this.focusActivated && (!this.isTouchMode() || !$a.dataSM('mousedown')) && (!this.activatedItems.length || this.activatedItems[this.activatedItems.length - 1][0] != $a[0])) { this.itemActivate($a, true); } this.$root.triggerHandler('focus.smapi', $a[0]); }, itemLeave: function(e) { var $a = $(e.currentTarget); if (!this.handleItemEvents($a)) { return; } if (!this.isTouchMode()) { if (this.showTimeout) { clearTimeout(this.showTimeout); this.showTimeout = 0; } } $a.removeDataSM('mousedown'); this.$root.triggerHandler('mouseleave.smapi', $a[0]); }, itemTouchEnd: function(e) { var $a = $(e.currentTarget); if (!this.handleItemEvents($a)) { return; } // prevent the address bar on iPhone from sliding down when expanding a sub menu var $sub = $a.dataSM('sub'); if ($a.attr('href').charAt(0) !== '#' && $sub && !$sub.is(':visible')) { $a.dataSM('href', $a.attr('href')) .attr('href', '#'); } }, menuHide: function($sub) { if (this.$root.triggerHandler('beforehide.smapi', $sub[0]) === false) { return; } $sub.stop(true, true); if ($sub.css('display') != 'none') { var complete = function() { // unset z-index $sub.css('z-index', ); }; // if sub is collapsible (mobile view) if (this.isCollapsible()) { if (this.opts.collapsibleHideFunction) { this.opts.collapsibleHideFunction.call(this, $sub, complete); } else { $sub.hide(this.opts.collapsibleHideDuration, complete); } } else { if (this.opts.hideFunction) { this.opts.hideFunction.call(this, $sub, complete); } else { $sub.hide(this.opts.hideDuration, complete); } } // remove IE iframe shim if ($sub.dataSM('ie-shim')) { $sub.dataSM('ie-shim').remove(); } // deactivate scrolling if it is activated for this sub if ($sub.dataSM('scroll')) { this.menuScrollStop($sub); $sub.css({ 'touch-action': , '-ms-touch-action': }) .unbind('.smartmenus_scroll').removeDataSM('scroll').dataSM('scroll-arrows').hide(); } // unhighlight parent item + accessibility $sub.dataSM('parent-a').removeClass('highlighted').attr('aria-expanded', 'false'); $sub.attr({ 'aria-expanded': 'false', 'aria-hidden': 'true' }); var level = $sub.dataSM('level'); this.activatedItems.splice(level - 1, 1); this.visibleSubMenus.splice($.inArray($sub, this.visibleSubMenus), 1); this.$root.triggerHandler('hide.smapi', $sub[0]); } }, menuHideAll: function() { if (this.showTimeout) { clearTimeout(this.showTimeout); this.showTimeout = 0; } // hide all subs // if it's a popup, this.visibleSubMenus[0] is the root UL var level = this.opts.isPopup ? 1 : 0; for (var i = this.visibleSubMenus.length - 1; i >= level; i--) { this.menuHide(this.visibleSubMenus[i]); } // hide root if it's popup if (this.opts.isPopup) { this.$root.stop(true, true); if (this.$root.is(':visible')) { if (this.opts.hideFunction) { this.opts.hideFunction.call(this, this.$root); } else { this.$root.hide(this.opts.hideDuration); } // remove IE iframe shim if (this.$root.dataSM('ie-shim')) { this.$root.dataSM('ie-shim').remove(); } } } this.activatedItems = []; this.visibleSubMenus = []; this.clickActivated = false; this.focusActivated = false; // reset z-index increment this.zIndexInc = 0; }, menuHideSubMenus: function(level) { for (var i = this.activatedItems.length - 1; i >= level; i--) { var $sub = this.activatedItems[i].dataSM('sub'); if ($sub) { this.menuHide($sub); } } }, menuIframeShim: function($ul) { // create iframe shim for the menu if (IE && this.opts.overlapControlsInIE && !$ul.dataSM('ie-shim')) { $ul.dataSM('ie-shim', $('<iframe/>').attr({ src: 'javascript:0', tabindex: -9 }) .css({ position: 'absolute', top: 'auto', left: '0', opacity: 0, border: '0' }) ); } }, menuInit: function($ul) { if (!$ul.dataSM('in-mega')) { // mark UL's in mega drop downs (if any) so we can neglect them if ($ul.hasClass('mega-menu')) { $ul.find('ul').dataSM('in-mega', true); } // get level (much faster than, for example, using parentsUntil) var level = 2, par = $ul[0]; while ((par = par.parentNode.parentNode) != this.$root[0]) { level++; } // cache stuff for quick access var $a = $ul.prevAll('a').eq(-1); // if the link is nested (e.g. in a heading) if (!$a.length) { $a = $ul.prevAll().find('a').eq(-1); } $a.addClass('has-submenu').dataSM('sub', $ul); $ul.dataSM('parent-a', $a) .dataSM('level', level) .parent().dataSM('sub', $ul); // accessibility var aId = $a.attr('id') || this.accessIdPrefix + (++this.idInc), ulId = $ul.attr('id') || this.accessIdPrefix + (++this.idInc); $a.attr({ id: aId, 'aria-haspopup': 'true', 'aria-controls': ulId, 'aria-expanded': 'false' }); $ul.attr({ id: ulId, 'role': 'group', 'aria-hidden': 'true', 'aria-labelledby': aId, 'aria-expanded': 'false' }); // add sub indicator to parent item if (this.opts.subIndicators) { $a[this.opts.subIndicatorsPos](this.$subArrow.clone()); } } }, menuPosition: function($sub) { var $a = $sub.dataSM('parent-a'), $li = $a.closest('li'), $ul = $li.parent(), level = $sub.dataSM('level'), subW = this.getWidth($sub), subH = this.getHeight($sub), itemOffset = $a.offset(), itemX = itemOffset.left, itemY = itemOffset.top, itemW = this.getWidth($a), itemH = this.getHeight($a), $win = $(window), winX = $win.scrollLeft(), winY = $win.scrollTop(), winW = this.getViewportWidth(), winH = this.getViewportHeight(), horizontalParent = $ul.hasClass('sm') && !$ul.hasClass('sm-vertical'), rightToLeft = this.opts.rightToLeftSubMenus && !$li.is('[data-sm-reverse]') || !this.opts.rightToLeftSubMenus && $li.is('[data-sm-reverse]'), subOffsetX = level == 2 ? this.opts.mainMenuSubOffsetX : this.opts.subMenusSubOffsetX, subOffsetY = level == 2 ? this.opts.mainMenuSubOffsetY : this.opts.subMenusSubOffsetY, x, y; if (horizontalParent) { x = rightToLeft ? itemW - subW - subOffsetX : subOffsetX; y = this.opts.bottomToTopSubMenus ? -subH - subOffsetY : itemH + subOffsetY; } else { x = rightToLeft ? subOffsetX - subW : itemW - subOffsetX; y = this.opts.bottomToTopSubMenus ? itemH - subOffsetY - subH : subOffsetY; } if (this.opts.keepInViewport) { var absX = itemX + x, absY = itemY + y; if (rightToLeft && absX < winX) { x = horizontalParent ? winX - absX + x : itemW - subOffsetX; } else if (!rightToLeft && absX + subW > winX + winW) { x = horizontalParent ? winX + winW - subW - absX + x : subOffsetX - subW; } if (!horizontalParent) { if (subH < winH && absY + subH > winY + winH) { y += winY + winH - subH - absY; } else if (subH >= winH || absY < winY) { y += winY - absY; } } // do we need scrolling? // 0.49 used for better precision when dealing with float values if (horizontalParent && (absY + subH > winY + winH + 0.49 || absY < winY) || !horizontalParent && subH > winH + 0.49) { var self = this; if (!$sub.dataSM('scroll-arrows')) { $sub.dataSM('scroll-arrows', $([$('')[0], $('')[0]]) .bind({ mouseenter: function() { $sub.dataSM('scroll').up = $(this).hasClass('scroll-up'); self.menuScroll($sub); }, mouseleave: function(e) { self.menuScrollStop($sub); self.menuScrollOut($sub, e); }, 'mousewheel DOMMouseScroll': function(e) { e.preventDefault(); } }) .insertAfter($sub) ); } // bind scroll events and save scroll data for this sub var eNS = '.smartmenus_scroll'; $sub.dataSM('scroll', { step: 1, // cache stuff for faster recalcs later itemH: itemH, subH: subH, arrowDownH: this.getHeight($sub.dataSM('scroll-arrows').eq(1)) }) .bind(getEventsNS([ ['mouseover', function(e) { self.menuScrollOver($sub, e); }], ['mouseout', function(e) { self.menuScrollOut($sub, e); }], ['mousewheel DOMMouseScroll', function(e) { self.menuScrollMousewheel($sub, e); }] ], eNS)) .dataSM('scroll-arrows').css({ top: 'auto', left: '0', marginLeft: x + (parseInt($sub.css('border-left-width')) || 0), width: subW - (parseInt($sub.css('border-left-width')) || 0) - (parseInt($sub.css('border-right-width')) || 0), zIndex: $sub.css('z-index') }) .eq(horizontalParent && this.opts.bottomToTopSubMenus ? 0 : 1).show(); // when a menu tree is fixed positioned we allow scrolling via touch too // since there is no other way to access such long sub menus if no mouse is present if (this.isFixed()) { $sub.css({ 'touch-action': 'none', '-ms-touch-action': 'none' }) .bind(getEventsNS([ [touchEvents() ? 'touchstart touchmove touchend' : 'pointerdown pointermove pointerup MSPointerDown MSPointerMove MSPointerUp', function(e) { self.menuScrollTouch($sub, e); }] ], eNS)); } } } $sub.css({ top: 'auto', left: '0', marginLeft: x, marginTop: y - itemH }); // IE iframe shim this.menuIframeShim($sub); if ($sub.dataSM('ie-shim')) { $sub.dataSM('ie-shim').css({ zIndex: $sub.css('z-index'), width: subW, height: subH, marginLeft: x, marginTop: y - itemH }); } }, menuScroll: function($sub, once, step) { var data = $sub.dataSM('scroll'), $arrows = $sub.dataSM('scroll-arrows'), y = parseFloat($sub.css('margin-top')), end = data.up ? data.upEnd : data.downEnd, diff; if (!once && data.velocity) { data.velocity *= 0.9; diff = data.velocity; if (diff < 0.5) { this.menuScrollStop($sub); return; } } else { diff = step || (once || !this.opts.scrollAccelerate ? this.opts.scrollStep : Math.floor(data.step)); } // hide any visible deeper level sub menus var level = $sub.dataSM('level'); if (this.activatedItems[level - 1] && this.activatedItems[level - 1].dataSM('sub') && this.activatedItems[level - 1].dataSM('sub').is(':visible')) { this.menuHideSubMenus(level - 1); } var newY = data.up && end <= y || !data.up && end >= y ? y : (Math.abs(end - y) > diff ? y + (data.up ? diff : -diff) : end); $sub.add($sub.dataSM('ie-shim')).css('margin-top', newY); // show opposite arrow if appropriate if (mouse && (data.up && newY > data.downEnd || !data.up && newY < data.upEnd)) { $arrows.eq(data.up ? 1 : 0).show(); } // if we've reached the end if (newY == end) { if (mouse) { $arrows.eq(data.up ? 0 : 1).hide(); } this.menuScrollStop($sub); } else if (!once) { if (this.opts.scrollAccelerate && data.step < this.opts.scrollStep) { data.step += 0.5; } var self = this; this.scrollTimeout = setTimeout(function() { self.menuScroll($sub); }, this.opts.scrollInterval); } }, menuScrollMousewheel: function($sub, e) { if (this.getClosestMenu(e.target) == $sub[0]) { e = e.originalEvent; var up = (e.wheelDelta || -e.detail) > 0; if ($sub.dataSM('scroll-arrows').eq(up ? 0 : 1).is(':visible')) { $sub.dataSM('scroll').up = up; this.menuScroll($sub, true); } } e.preventDefault(); }, menuScrollOut: function($sub, e) { if (mouse) { if (!/^scroll-(up|down)/.test((e.relatedTarget || ).className) && ($sub[0] != e.relatedTarget && !$.contains($sub[0], e.relatedTarget) || this.getClosestMenu(e.relatedTarget) != $sub[0])) { $sub.dataSM('scroll-arrows').css('visibility', 'hidden'); } } }, menuScrollOver: function($sub, e) { if (mouse) { if (!/^scroll-(up|down)/.test(e.target.className) && this.getClosestMenu(e.target) == $sub[0]) { this.menuScrollRefreshData($sub); var data = $sub.dataSM('scroll'); $sub.dataSM('scroll-arrows').eq(0).css('margin-top', data.upEnd).end() .eq(1).css('margin-top', data.downEnd + data.subH - data.arrowDownH).end() .css('visibility', 'visible'); } } }, menuScrollRefreshData: function($sub) { var data = $sub.dataSM('scroll'), $win = $(window), vportY = $win.scrollTop() - $sub.dataSM('parent-a').offset().top - data.itemH; $.extend(data, { upEnd: vportY, downEnd: vportY + this.getViewportHeight() - data.subH }); }, menuScrollStop: function($sub) { if (this.scrollTimeout) { clearTimeout(this.scrollTimeout); this.scrollTimeout = 0; $.extend($sub.dataSM('scroll'), { step: 1, velocity: 0 }); return true; } }, menuScrollTouch: function($sub, e) { e = e.originalEvent; if (isTouchEvent(e)) { var touchPoint = this.getTouchPoint(e); // neglect event if we touched a visible deeper level sub menu if (this.getClosestMenu(touchPoint.target) == $sub[0]) { var data = $sub.dataSM('scroll'); if (/(start|down)$/i.test(e.type)) { if (this.menuScrollStop($sub)) { // if we were scrolling, just stop and don't activate any link on the first touch e.preventDefault(); this.isTouchScrolling = true; } else { this.isTouchScrolling = false; } // update scroll data since the user might have zoomed, etc. this.menuScrollRefreshData($sub); // extend it with the touch properties $.extend(data, { touchY: touchPoint.pageY, touchTimestamp: e.timeStamp, velocity: 0 }); } else if (/move$/i.test(e.type)) { var prevY = data.touchY; if (prevY !== undefined && prevY != touchPoint.pageY) { this.isTouchScrolling = true; $.extend(data, { up: prevY < touchPoint.pageY, touchY: touchPoint.pageY, touchTimestamp: e.timeStamp, velocity: data.velocity + Math.abs(touchPoint.pageY - prevY) * 0.5 }); this.menuScroll($sub, true, Math.abs(data.touchY - prevY)); } e.preventDefault(); } else { // touchend/pointerup if (data.touchY !== undefined) { // check if we need to scroll if (e.timeStamp - data.touchTimestamp < 120 && data.velocity > 0) { data.velocity *= 0.5; this.menuScrollStop($sub); this.menuScroll($sub); e.preventDefault(); } delete data.touchY; } } } } }, menuShow: function($sub) { if (!$sub.dataSM('beforefirstshowfired')) { $sub.dataSM('beforefirstshowfired', true); if (this.$root.triggerHandler('beforefirstshow.smapi', $sub[0]) === false) { return; } } if (this.$root.triggerHandler('beforeshow.smapi', $sub[0]) === false) { return; } $sub.dataSM('shown-before', true) .stop(true, true); if (!$sub.is(':visible')) { // highlight parent item var $a = $sub.dataSM('parent-a'); if (this.opts.keepHighlighted || this.isCollapsible()) { $a.addClass('highlighted'); } if (this.isCollapsible()) { $sub.removeClass('sm-nowrap').css({ zIndex: , width: 'auto', minWidth: , maxWidth: , top: , left: , marginLeft: , marginTop: }); } else { // set z-index $sub.css('z-index', this.zIndexInc = (this.zIndexInc || this.getStartZIndex()) + 1); // min/max-width fix - no way to rely purely on CSS as all UL's are nested if (this.opts.subMenusMinWidth || this.opts.subMenusMaxWidth) { $sub.css({ width: 'auto', minWidth: , maxWidth: }).addClass('sm-nowrap'); if (this.opts.subMenusMinWidth) { $sub.css('min-width', this.opts.subMenusMinWidth); } if (this.opts.subMenusMaxWidth) { var noMaxWidth = this.getWidth($sub); $sub.css('max-width', this.opts.subMenusMaxWidth); if (noMaxWidth > this.getWidth($sub)) { $sub.removeClass('sm-nowrap').css('width', this.opts.subMenusMaxWidth); } } } this.menuPosition($sub); // insert IE iframe shim if ($sub.dataSM('ie-shim')) { $sub.dataSM('ie-shim').insertBefore($sub); } } var complete = function() { // fix: "overflow: hidden;" is not reset on animation complete in jQuery < 1.9.0 in Chrome when global "box-sizing: border-box;" is used $sub.css('overflow', ); }; // if sub is collapsible (mobile view) if (this.isCollapsible()) { if (this.opts.collapsibleShowFunction) { this.opts.collapsibleShowFunction.call(this, $sub, complete); } else { $sub.show(this.opts.collapsibleShowDuration, complete); } } else { if (this.opts.showFunction) { this.opts.showFunction.call(this, $sub, complete); } else { $sub.show(this.opts.showDuration, complete); } } // accessibility $a.attr('aria-expanded', 'true'); $sub.attr({ 'aria-expanded': 'true', 'aria-hidden': 'false' }); // store sub menu in visible array this.visibleSubMenus.push($sub); this.$root.triggerHandler('show.smapi', $sub[0]); } }, popupHide: function(noHideTimeout) { if (this.hideTimeout) { clearTimeout(this.hideTimeout); this.hideTimeout = 0; } var self = this; this.hideTimeout = setTimeout(function() { self.menuHideAll(); }, noHideTimeout ? 1 : this.opts.hideTimeout); }, popupShow: function(left, top) { if (!this.opts.isPopup) { alert('SmartMenus jQuery Error:\n\nIf you want to show this menu via the "popupShow" method, set the isPopup:true option.'); return; } if (this.hideTimeout) { clearTimeout(this.hideTimeout); this.hideTimeout = 0; } this.$root.dataSM('shown-before', true) .stop(true, true); if (!this.$root.is(':visible')) { this.$root.css({ left: left, top: top }); // IE iframe shim this.menuIframeShim(this.$root); if (this.$root.dataSM('ie-shim')) { this.$root.dataSM('ie-shim').css({ zIndex: this.$root.css('z-index'), width: this.getWidth(this.$root), height: this.getHeight(this.$root), left: left, top: top }).insertBefore(this.$root); } // show menu var self = this, complete = function() { self.$root.css('overflow', ); }; if (this.opts.showFunction) { this.opts.showFunction.call(this, this.$root, complete); } else { this.$root.show(this.opts.showDuration, complete); } this.visibleSubMenus[0] = this.$root; } }, refresh: function() { this.destroy(true); this.init(true); }, rootKeyDown: function(e) { if (!this.handleEvents()) { return; } switch (e.keyCode) { case 27: // reset on Esc var $activeTopItem = this.activatedItems[0]; if ($activeTopItem) { this.menuHideAll(); $activeTopItem[0].focus(); var $sub = $activeTopItem.dataSM('sub'); if ($sub) { this.menuHide($sub); } } break; case 32: // activate item's sub on Space var $target = $(e.target); if ($target.is('a') && this.handleItemEvents($target)) { var $sub = $target.dataSM('sub'); if ($sub && !$sub.is(':visible')) { this.itemClick({ currentTarget: e.target }); e.preventDefault(); } } break; } }, rootOut: function(e) { if (!this.handleEvents() || this.isTouchMode() || e.target == this.$root[0]) { return; } if (this.hideTimeout) { clearTimeout(this.hideTimeout); this.hideTimeout = 0; } if (!this.opts.showOnClick || !this.opts.hideOnClick) { var self = this; this.hideTimeout = setTimeout(function() { self.menuHideAll(); }, this.opts.hideTimeout); } }, rootOver: function(e) { if (!this.handleEvents() || this.isTouchMode() || e.target == this.$root[0]) { return; } if (this.hideTimeout) { clearTimeout(this.hideTimeout); this.hideTimeout = 0; } }, winResize: function(e) { if (!this.handleEvents()) { // we still need to resize the disable overlay if it's visible if (this.$disableOverlay) { var pos = this.$root.offset(); this.$disableOverlay.css({ top: pos.top, left: pos.left, width: this.$root.outerWidth(), height: this.$root.outerHeight() }); } return; } // hide sub menus on resize - on mobile do it only on orientation change if (!('onorientationchange' in window) || e.type == 'orientationchange') { var isCollapsible = this.isCollapsible(); // if it was collapsible before resize and still is, don't do it if (!(this.wasCollapsible && isCollapsible)) { if (this.activatedItems.length) { this.activatedItems[this.activatedItems.length - 1][0].blur(); } this.menuHideAll(); } this.wasCollapsible = isCollapsible; } } } });

$.fn.dataSM = function(key, val) { if (val) { return this.data(key + '_smartmenus', val); } return this.data(key + '_smartmenus'); }

$.fn.removeDataSM = function(key) { return this.removeData(key + '_smartmenus'); }

$.fn.smartmenus = function(options) { if (typeof options == 'string') { var args = arguments, method = options; Array.prototype.shift.call(args); return this.each(function() { var smartmenus = $(this).data('smartmenus'); if (smartmenus && smartmenus[method]) { smartmenus[method].apply(smartmenus, args); } }); } var opts = $.extend({}, $.fn.smartmenus.defaults, options); return this.each(function() { new $.SmartMenus(this, opts); }); }

// default settings $.fn.smartmenus.defaults = { isPopup: false, // is this a popup menu (can be shown via the popupShow/popupHide methods) or a permanent menu bar mainMenuSubOffsetX: 0, // pixels offset from default position mainMenuSubOffsetY: 0, // pixels offset from default position subMenusSubOffsetX: 0, // pixels offset from default position subMenusSubOffsetY: 0, // pixels offset from default position subMenusMinWidth: '10em', // min-width for the sub menus (any CSS unit) - if set, the fixed width set in CSS will be ignored subMenusMaxWidth: '20em', // max-width for the sub menus (any CSS unit) - if set, the fixed width set in CSS will be ignored subIndicators: true, // create sub menu indicators - creates a SPAN and inserts it in the A subIndicatorsPos: 'prepend', // position of the SPAN relative to the menu item content ('prepend', 'append') subIndicatorsText: '+', // [optionally] add text in the SPAN (e.g. '+') (you may want to check the CSS for the sub indicators too) scrollStep: 30, // pixels step when scrolling long sub menus that do not fit in the viewport height scrollInterval: 30, // interval between each scrolling step scrollAccelerate: true, // accelerate scrolling or use a fixed step showTimeout: 250, // timeout before showing the sub menus hideTimeout: 500, // timeout before hiding the sub menus showDuration: 0, // duration for show animation - set to 0 for no animation - matters only if showFunction:null showFunction: null, // custom function to use when showing a sub menu (the default is the jQuery 'show') // don't forget to call complete() at the end of whatever you do // e.g.: function($ul, complete) { $ul.fadeIn(250, complete); } hideDuration: 0, // duration for hide animation - set to 0 for no animation - matters only if hideFunction:null hideFunction: function($ul, complete) { $ul.fadeOut(200, complete); }, // custom function to use when hiding a sub menu (the default is the jQuery 'hide') // don't forget to call complete() at the end of whatever you do // e.g.: function($ul, complete) { $ul.fadeOut(250, complete); } collapsibleShowDuration:0, // duration for show animation for collapsible sub menus - matters only if collapsibleShowFunction:null collapsibleShowFunction:function($ul, complete) { $ul.slideDown(200, complete); }, // custom function to use when showing a collapsible sub menu // (i.e. when mobile styles are used to make the sub menus collapsible) collapsibleHideDuration:0, // duration for hide animation for collapsible sub menus - matters only if collapsibleHideFunction:null collapsibleHideFunction:function($ul, complete) { $ul.slideUp(200, complete); }, // custom function to use when hiding a collapsible sub menu // (i.e. when mobile styles are used to make the sub menus collapsible) showOnClick: false, // show the first-level sub menus onclick instead of onmouseover (matters only for mouse input) hideOnClick: true, // hide the sub menus on click/tap anywhere on the page keepInViewport: true, // reposition the sub menus if needed to make sure they always appear inside the viewport keepHighlighted: true, // keep all ancestor items of the current sub menu highlighted (adds the 'highlighted' class to the A's) markCurrentItem: false, // automatically add the 'current' class to the A element of the item linking to the current URL markCurrentTree: true, // add the 'current' class also to the A elements of all ancestor items of the current item rightToLeftSubMenus: false, // right to left display of the sub menus (check the CSS for the sub indicators' position) bottomToTopSubMenus: false, // bottom to top display of the sub menus overlapControlsInIE: true // make sure sub menus appear on top of special OS controls in IE (i.e. SELECT, OBJECT, EMBED, etc.) };

})(jQuery);