Team:Beijing BHSF
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- | < | + | <header> |
+ | <script type="text/javascript"> | ||
+ | // SpryMenuBar.js - version 0.13 - Spry Pre-Release 1.6.1 | ||
+ | // | ||
+ | // Copyright (c) 2006. Adobe Systems Incorporated. | ||
+ | // All rights reserved. | ||
+ | // | ||
+ | // Redistribution and use in source and binary forms, with or without | ||
+ | // modification, are permitted provided that the following conditions are met: | ||
+ | // | ||
+ | // * Redistributions of source code must retain the above copyright notice, | ||
+ | // this list of conditions and the following disclaimer. | ||
+ | // * Redistributions in binary form must reproduce the above copyright notice, | ||
+ | // this list of conditions and the following disclaimer in the documentation | ||
+ | // and/or other materials provided with the distribution. | ||
+ | // * Neither the name of Adobe Systems Incorporated nor the names of its | ||
+ | // contributors may be used to endorse or promote products derived from this | ||
+ | // software without specific prior written permission. | ||
+ | // | ||
+ | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
+ | // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
+ | // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
+ | // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | ||
+ | // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
+ | // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
+ | // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
+ | // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
+ | // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
+ | // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
+ | // POSSIBILITY OF SUCH DAMAGE. | ||
+ | /******************************************************************************* | ||
+ | SpryMenuBar.js | ||
+ | This file handles the JavaScript for Spry Menu Bar. You should have no need | ||
+ | to edit this file. Some highlights of the MenuBar object is that timers are | ||
+ | used to keep submenus from showing up until the user has hovered over the parent | ||
+ | menu item for some time, as well as a timer for when they leave a submenu to keep | ||
+ | showing that submenu until the timer fires. | ||
- | + | *******************************************************************************/ | |
- | + | ||
- | + | ||
- | + | ||
- | + | ||
- | + | ||
- | + | ||
- | + | ||
- | + | ||
- | + | ||
- | + | ||
- | + | (function() { // BeginSpryComponent | |
- | + | if (typeof Spry == "undefined") window.Spry = {}; if (!Spry.Widget) Spry.Widget = {}; | |
- | ! | + | |
- | + | ||
- | === | + | Spry.BrowserSniff = function() |
- | + | { | |
+ | var b = navigator.appName.toString(); | ||
+ | var up = navigator.platform.toString(); | ||
+ | var ua = navigator.userAgent.toString(); | ||
+ | this.mozilla = this.ie = this.opera = this.safari = false; | ||
+ | var re_opera = /Opera.([0-9\.]*)/i; | ||
+ | var re_msie = /MSIE.([0-9\.]*)/i; | ||
+ | var re_gecko = /gecko/i; | ||
+ | var re_safari = /(applewebkit|safari)\/([\d\.]*)/i; | ||
+ | var r = false; | ||
- | === | + | if ( (r = ua.match(re_opera))) { |
- | + | this.opera = true; | |
+ | this.version = parseFloat(r[1]); | ||
+ | } else if ( (r = ua.match(re_msie))) { | ||
+ | this.ie = true; | ||
+ | this.version = parseFloat(r[1]); | ||
+ | } else if ( (r = ua.match(re_safari))) { | ||
+ | this.safari = true; | ||
+ | this.version = parseFloat(r[2]); | ||
+ | } else if (ua.match(re_gecko)) { | ||
+ | var re_gecko_version = /rv:\s*([0-9\.]+)/i; | ||
+ | r = ua.match(re_gecko_version); | ||
+ | this.mozilla = true; | ||
+ | this.version = parseFloat(r[1]); | ||
+ | } | ||
+ | this.windows = this.mac = this.linux = false; | ||
+ | this.Platform = ua.match(/windows/i) ? "windows" : | ||
+ | (ua.match(/linux/i) ? "linux" : | ||
+ | (ua.match(/mac/i) ? "mac" : | ||
+ | ua.match(/unix/i)? "unix" : "unknown")); | ||
+ | this[this.Platform] = true; | ||
+ | this.v = this.version; | ||
- | + | if (this.safari && this.mac && this.mozilla) { | |
- | + | this.mozilla = false; | |
+ | } | ||
+ | }; | ||
+ | Spry.is = new Spry.BrowserSniff(); | ||
- | + | // Constructor for Menu Bar | |
- | + | // element should be an ID of an unordered list (<ul> tag) | |
+ | // preloadImage1 and preloadImage2 are images for the rollover state of a menu | ||
+ | Spry.Widget.MenuBar = function(element, opts) | ||
+ | { | ||
+ | this.init(element, opts); | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.init = function(element, opts) | ||
+ | { | ||
+ | this.element = this.getElement(element); | ||
- | === | + | // represents the current (sub)menu we are operating on |
- | + | this.currMenu = null; | |
+ | this.showDelay = 250; | ||
+ | this.hideDelay = 600; | ||
+ | if(typeof document.getElementById == 'undefined' || (navigator.vendor == 'Apple Computer, Inc.' && typeof window.XMLHttpRequest == 'undefined') || (Spry.is.ie && typeof document.uniqueID == 'undefined')) | ||
+ | { | ||
+ | // bail on older unsupported browsers | ||
+ | return; | ||
+ | } | ||
+ | // Fix IE6 CSS images flicker | ||
+ | if (Spry.is.ie && Spry.is.version < 7){ | ||
+ | try { | ||
+ | document.execCommand("BackgroundImageCache", false, true); | ||
+ | } catch(err) {} | ||
+ | } | ||
- | === | + | this.upKeyCode = Spry.Widget.MenuBar.KEY_UP; |
- | + | this.downKeyCode = Spry.Widget.MenuBar.KEY_DOWN; | |
+ | this.leftKeyCode = Spry.Widget.MenuBar.KEY_LEFT; | ||
+ | this.rightKeyCode = Spry.Widget.MenuBar.KEY_RIGHT; | ||
+ | this.escKeyCode = Spry.Widget.MenuBar.KEY_ESC; | ||
+ | this.hoverClass = 'MenuBarItemHover'; | ||
+ | this.subHoverClass = 'MenuBarItemSubmenuHover'; | ||
+ | this.subVisibleClass ='MenuBarSubmenuVisible'; | ||
+ | this.hasSubClass = 'MenuBarItemSubmenu'; | ||
+ | this.activeClass = 'MenuBarActive'; | ||
+ | this.isieClass = 'MenuBarItemIE'; | ||
+ | this.verticalClass = 'MenuBarVertical'; | ||
+ | this.horizontalClass = 'MenuBarHorizontal'; | ||
+ | this.enableKeyboardNavigation = true; | ||
- | === | + | this.hasFocus = false; |
- | + | // load hover images now | |
+ | if(opts) | ||
+ | { | ||
+ | for(var k in opts) | ||
+ | { | ||
+ | if (typeof this[k] == 'undefined') | ||
+ | { | ||
+ | var rollover = new Image; | ||
+ | rollover.src = opts[k]; | ||
+ | } | ||
+ | } | ||
+ | Spry.Widget.MenuBar.setOptions(this, opts); | ||
+ | } | ||
+ | // safari doesn't support tabindex | ||
+ | if (Spry.is.safari) | ||
+ | this.enableKeyboardNavigation = false; | ||
- | === | + | if(this.element) |
- | + | { | |
+ | this.currMenu = this.element; | ||
+ | var items = this.element.getElementsByTagName('li'); | ||
+ | for(var i=0; i<items.length; i++) | ||
+ | { | ||
+ | if (i > 0 && this.enableKeyboardNavigation) | ||
+ | items[i].getElementsByTagName('a')[0].tabIndex='-1'; | ||
+ | this.initialize(items[i], element); | ||
+ | if(Spry.is.ie) | ||
+ | { | ||
+ | this.addClassName(items[i], this.isieClass); | ||
+ | items[i].style.position = "static"; | ||
+ | } | ||
+ | } | ||
+ | if (this.enableKeyboardNavigation) | ||
+ | { | ||
+ | var self = this; | ||
+ | this.addEventListener(document, 'keydown', function(e){self.keyDown(e); }, false); | ||
+ | } | ||
+ | if(Spry.is.ie) | ||
+ | { | ||
+ | if(this.hasClassName(this.element, this.verticalClass)) | ||
+ | { | ||
+ | this.element.style.position = "relative"; | ||
+ | } | ||
+ | var linkitems = this.element.getElementsByTagName('a'); | ||
+ | for(var i=0; i<linkitems.length; i++) | ||
+ | { | ||
+ | linkitems[i].style.position = "relative"; | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.KEY_ESC = 27; | ||
+ | Spry.Widget.MenuBar.KEY_UP = 38; | ||
+ | Spry.Widget.MenuBar.KEY_DOWN = 40; | ||
+ | Spry.Widget.MenuBar.KEY_LEFT = 37; | ||
+ | Spry.Widget.MenuBar.KEY_RIGHT = 39; | ||
- | < | + | Spry.Widget.MenuBar.prototype.getElement = function(ele) |
+ | { | ||
+ | if (ele && typeof ele == "string") | ||
+ | return document.getElementById(ele); | ||
+ | return ele; | ||
+ | }; | ||
+ | |||
+ | Spry.Widget.MenuBar.prototype.hasClassName = function(ele, className) | ||
+ | { | ||
+ | if (!ele || !className || !ele.className || ele.className.search(new RegExp("\\b" + className + "\\b")) == -1) | ||
+ | { | ||
+ | return false; | ||
+ | } | ||
+ | return true; | ||
+ | }; | ||
+ | |||
+ | Spry.Widget.MenuBar.prototype.addClassName = function(ele, className) | ||
+ | { | ||
+ | if (!ele || !className || this.hasClassName(ele, className)) | ||
+ | return; | ||
+ | ele.className += (ele.className ? " " : "") + className; | ||
+ | }; | ||
+ | |||
+ | Spry.Widget.MenuBar.prototype.removeClassName = function(ele, className) | ||
+ | { | ||
+ | if (!ele || !className || !this.hasClassName(ele, className)) | ||
+ | return; | ||
+ | ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), ""); | ||
+ | }; | ||
+ | |||
+ | // addEventListener for Menu Bar | ||
+ | // attach an event to a tag without creating obtrusive HTML code | ||
+ | Spry.Widget.MenuBar.prototype.addEventListener = function(element, eventType, handler, capture) | ||
+ | { | ||
+ | try | ||
+ | { | ||
+ | if (element.addEventListener) | ||
+ | { | ||
+ | element.addEventListener(eventType, handler, capture); | ||
+ | } | ||
+ | else if (element.attachEvent) | ||
+ | { | ||
+ | element.attachEvent('on' + eventType, handler); | ||
+ | } | ||
+ | } | ||
+ | catch (e) {} | ||
+ | }; | ||
+ | |||
+ | // createIframeLayer for Menu Bar | ||
+ | // creates an IFRAME underneath a menu so that it will show above form controls and ActiveX | ||
+ | Spry.Widget.MenuBar.prototype.createIframeLayer = function(menu) | ||
+ | { | ||
+ | var layer = document.createElement('iframe'); | ||
+ | layer.tabIndex = '-1'; | ||
+ | layer.src = 'javascript:""'; | ||
+ | layer.frameBorder = '0'; | ||
+ | layer.scrolling = 'no'; | ||
+ | menu.parentNode.appendChild(layer); | ||
+ | |||
+ | layer.style.left = menu.offsetLeft + 'px'; | ||
+ | layer.style.top = menu.offsetTop + 'px'; | ||
+ | layer.style.width = menu.offsetWidth + 'px'; | ||
+ | layer.style.height = menu.offsetHeight + 'px'; | ||
+ | }; | ||
+ | |||
+ | // removeIframeLayer for Menu Bar | ||
+ | // removes an IFRAME underneath a menu to reveal any form controls and ActiveX | ||
+ | Spry.Widget.MenuBar.prototype.removeIframeLayer = function(menu) | ||
+ | { | ||
+ | var layers = ((menu == this.element) ? menu : menu.parentNode).getElementsByTagName('iframe'); | ||
+ | while(layers.length > 0) | ||
+ | { | ||
+ | layers[0].parentNode.removeChild(layers[0]); | ||
+ | } | ||
+ | }; | ||
+ | |||
+ | // clearMenus for Menu Bar | ||
+ | // root is the top level unordered list (<ul> tag) | ||
+ | Spry.Widget.MenuBar.prototype.clearMenus = function(root) | ||
+ | { | ||
+ | var menus = root.getElementsByTagName('ul'); | ||
+ | for(var i=0; i<menus.length; i++) | ||
+ | this.hideSubmenu(menus[i]); | ||
+ | |||
+ | this.removeClassName(this.element, this.activeClass); | ||
+ | }; | ||
+ | |||
+ | // bubbledTextEvent for Menu Bar | ||
+ | // identify bubbled up text events in Safari so we can ignore them | ||
+ | Spry.Widget.MenuBar.prototype.bubbledTextEvent = function() | ||
+ | { | ||
+ | return Spry.is.safari && (event.target == event.relatedTarget.parentNode || (event.eventPhase == 3 && event.target.parentNode == event.relatedTarget)); | ||
+ | }; | ||
+ | |||
+ | // showSubmenu for Menu Bar | ||
+ | // set the proper CSS class on this menu to show it | ||
+ | Spry.Widget.MenuBar.prototype.showSubmenu = function(menu) | ||
+ | { | ||
+ | if(this.currMenu) | ||
+ | { | ||
+ | this.clearMenus(this.currMenu); | ||
+ | this.currMenu = null; | ||
+ | } | ||
+ | |||
+ | if(menu) | ||
+ | { | ||
+ | this.addClassName(menu, this.subVisibleClass); | ||
+ | if(typeof document.all != 'undefined' && !Spry.is.opera && navigator.vendor != 'KDE') | ||
+ | { | ||
+ | if(!this.hasClassName(this.element, this.horizontalClass) || menu.parentNode.parentNode != this.element) | ||
+ | { | ||
+ | menu.style.top = menu.parentNode.offsetTop + 'px'; | ||
+ | } | ||
+ | } | ||
+ | if(Spry.is.ie && Spry.is.version < 7) | ||
+ | { | ||
+ | this.createIframeLayer(menu); | ||
+ | } | ||
+ | } | ||
+ | this.addClassName(this.element, this.activeClass); | ||
+ | }; | ||
+ | |||
+ | // hideSubmenu for Menu Bar | ||
+ | // remove the proper CSS class on this menu to hide it | ||
+ | Spry.Widget.MenuBar.prototype.hideSubmenu = function(menu) | ||
+ | { | ||
+ | if(menu) | ||
+ | { | ||
+ | this.removeClassName(menu, this.subVisibleClass); | ||
+ | if(typeof document.all != 'undefined' && !Spry.is.opera && navigator.vendor != 'KDE') | ||
+ | { | ||
+ | menu.style.top = ''; | ||
+ | menu.style.left = ''; | ||
+ | } | ||
+ | if(Spry.is.ie && Spry.is.version < 7) | ||
+ | this.removeIframeLayer(menu); | ||
+ | } | ||
+ | }; | ||
+ | |||
+ | // initialize for Menu Bar | ||
+ | // create event listeners for the Menu Bar widget so we can properly | ||
+ | // show and hide submenus | ||
+ | Spry.Widget.MenuBar.prototype.initialize = function(listitem, element) | ||
+ | { | ||
+ | var opentime, closetime; | ||
+ | var link = listitem.getElementsByTagName('a')[0]; | ||
+ | var submenus = listitem.getElementsByTagName('ul'); | ||
+ | var menu = (submenus.length > 0 ? submenus[0] : null); | ||
+ | |||
+ | if(menu) | ||
+ | this.addClassName(link, this.hasSubClass); | ||
+ | |||
+ | if(!Spry.is.ie) | ||
+ | { | ||
+ | // define a simple function that comes standard in IE to determine | ||
+ | // if a node is within another node | ||
+ | listitem.contains = function(testNode) | ||
+ | { | ||
+ | // this refers to the list item | ||
+ | if(testNode == null) | ||
+ | return false; | ||
+ | |||
+ | if(testNode == this) | ||
+ | return true; | ||
+ | else | ||
+ | return this.contains(testNode.parentNode); | ||
+ | }; | ||
+ | } | ||
+ | |||
+ | // need to save this for scope further down | ||
+ | var self = this; | ||
+ | this.addEventListener(listitem, 'mouseover', function(e){self.mouseOver(listitem, e);}, false); | ||
+ | this.addEventListener(listitem, 'mouseout', function(e){if (self.enableKeyboardNavigation) self.clearSelection(); self.mouseOut(listitem, e);}, false); | ||
+ | |||
+ | if (this.enableKeyboardNavigation) | ||
+ | { | ||
+ | this.addEventListener(link, 'blur', function(e){self.onBlur(listitem);}, false); | ||
+ | this.addEventListener(link, 'focus', function(e){self.keyFocus(listitem, e);}, false); | ||
+ | } | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.keyFocus = function (listitem, e) | ||
+ | { | ||
+ | this.lastOpen = listitem.getElementsByTagName('a')[0]; | ||
+ | this.addClassName(this.lastOpen, listitem.getElementsByTagName('ul').length > 0 ? this.subHoverClass : this.hoverClass); | ||
+ | this.hasFocus = true; | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.onBlur = function (listitem) | ||
+ | { | ||
+ | this.clearSelection(listitem); | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.clearSelection = function(el){ | ||
+ | //search any intersection with the current open element | ||
+ | if (!this.lastOpen) | ||
+ | return; | ||
+ | |||
+ | if (el) | ||
+ | { | ||
+ | el = el.getElementsByTagName('a')[0]; | ||
+ | |||
+ | // check children | ||
+ | var item = this.lastOpen; | ||
+ | while (item != this.element) | ||
+ | { | ||
+ | var tmp = el; | ||
+ | while (tmp != this.element) | ||
+ | { | ||
+ | if (tmp == item) | ||
+ | return; | ||
+ | try{ | ||
+ | tmp = tmp.parentNode; | ||
+ | }catch(err){break;} | ||
+ | } | ||
+ | item = item.parentNode; | ||
+ | } | ||
+ | } | ||
+ | var item = this.lastOpen; | ||
+ | while (item != this.element) | ||
+ | { | ||
+ | this.hideSubmenu(item.parentNode); | ||
+ | var link = item.getElementsByTagName('a')[0]; | ||
+ | this.removeClassName(link, this.hoverClass); | ||
+ | this.removeClassName(link, this.subHoverClass); | ||
+ | item = item.parentNode; | ||
+ | } | ||
+ | this.lastOpen = false; | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.keyDown = function (e) | ||
+ | { | ||
+ | if (!this.hasFocus) | ||
+ | return; | ||
+ | |||
+ | if (!this.lastOpen) | ||
+ | { | ||
+ | this.hasFocus = false; | ||
+ | return; | ||
+ | } | ||
+ | |||
+ | var e = e|| event; | ||
+ | var listitem = this.lastOpen.parentNode; | ||
+ | var link = this.lastOpen; | ||
+ | var submenus = listitem.getElementsByTagName('ul'); | ||
+ | var menu = (submenus.length > 0 ? submenus[0] : null); | ||
+ | var hasSubMenu = (menu) ? true : false; | ||
+ | |||
+ | var opts = [listitem, menu, null, this.getSibling(listitem, 'previousSibling'), this.getSibling(listitem, 'nextSibling')]; | ||
+ | |||
+ | if (!opts[3]) | ||
+ | opts[2] = (listitem.parentNode.parentNode.nodeName.toLowerCase() == 'li')?listitem.parentNode.parentNode:null; | ||
+ | |||
+ | var found = 0; | ||
+ | switch (e.keyCode){ | ||
+ | case this.upKeyCode: | ||
+ | found = this.getElementForKey(opts, 'y', 1); | ||
+ | break; | ||
+ | case this.downKeyCode: | ||
+ | found = this.getElementForKey(opts, 'y', -1); | ||
+ | break; | ||
+ | case this.leftKeyCode: | ||
+ | found = this.getElementForKey(opts, 'x', 1); | ||
+ | break; | ||
+ | case this.rightKeyCode: | ||
+ | found = this.getElementForKey(opts, 'x', -1); | ||
+ | break; | ||
+ | case this.escKeyCode: | ||
+ | case 9: | ||
+ | this.clearSelection(); | ||
+ | this.hasFocus = false; | ||
+ | default: return; | ||
+ | } | ||
+ | switch (found) | ||
+ | { | ||
+ | case 0: return; | ||
+ | case 1: | ||
+ | //subopts | ||
+ | this.mouseOver(listitem, e); | ||
+ | break; | ||
+ | case 2: | ||
+ | //parent | ||
+ | this.mouseOut(opts[2], e); | ||
+ | break; | ||
+ | case 3: | ||
+ | case 4: | ||
+ | // left - right | ||
+ | this.removeClassName(link, hasSubMenu ? this.subHoverClass : this.hoverClass); | ||
+ | break; | ||
+ | } | ||
+ | var link = opts[found].getElementsByTagName('a')[0]; | ||
+ | if (opts[found].nodeName.toLowerCase() == 'ul') | ||
+ | opts[found] = opts[found].getElementsByTagName('li')[0]; | ||
+ | |||
+ | this.addClassName(link, opts[found].getElementsByTagName('ul').length > 0 ? this.subHoverClass : this.hoverClass); | ||
+ | this.lastOpen = link; | ||
+ | opts[found].getElementsByTagName('a')[0].focus(); | ||
+ | |||
+ | //stop further event handling by the browser | ||
+ | return Spry.Widget.MenuBar.stopPropagation(e); | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.mouseOver = function (listitem, e) | ||
+ | { | ||
+ | var link = listitem.getElementsByTagName('a')[0]; | ||
+ | var submenus = listitem.getElementsByTagName('ul'); | ||
+ | var menu = (submenus.length > 0 ? submenus[0] : null); | ||
+ | var hasSubMenu = (menu) ? true : false; | ||
+ | if (this.enableKeyboardNavigation) | ||
+ | this.clearSelection(listitem); | ||
+ | |||
+ | if(this.bubbledTextEvent()) | ||
+ | { | ||
+ | // ignore bubbled text events | ||
+ | return; | ||
+ | } | ||
+ | |||
+ | if (listitem.closetime) | ||
+ | clearTimeout(listitem.closetime); | ||
+ | |||
+ | if(this.currMenu == listitem) | ||
+ | { | ||
+ | this.currMenu = null; | ||
+ | } | ||
+ | |||
+ | // move the focus too | ||
+ | if (this.hasFocus) | ||
+ | link.focus(); | ||
+ | |||
+ | // show menu highlighting | ||
+ | this.addClassName(link, hasSubMenu ? this.subHoverClass : this.hoverClass); | ||
+ | this.lastOpen = link; | ||
+ | if(menu && !this.hasClassName(menu, this.subHoverClass)) | ||
+ | { | ||
+ | var self = this; | ||
+ | listitem.opentime = window.setTimeout(function(){self.showSubmenu(menu);}, this.showDelay); | ||
+ | } | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.mouseOut = function (listitem, e) | ||
+ | { | ||
+ | var link = listitem.getElementsByTagName('a')[0]; | ||
+ | var submenus = listitem.getElementsByTagName('ul'); | ||
+ | var menu = (submenus.length > 0 ? submenus[0] : null); | ||
+ | var hasSubMenu = (menu) ? true : false; | ||
+ | if(this.bubbledTextEvent()) | ||
+ | { | ||
+ | // ignore bubbled text events | ||
+ | return; | ||
+ | } | ||
+ | |||
+ | var related = (typeof e.relatedTarget != 'undefined' ? e.relatedTarget : e.toElement); | ||
+ | if(!listitem.contains(related)) | ||
+ | { | ||
+ | if (listitem.opentime) | ||
+ | clearTimeout(listitem.opentime); | ||
+ | this.currMenu = listitem; | ||
+ | |||
+ | // remove menu highlighting | ||
+ | this.removeClassName(link, hasSubMenu ? this.subHoverClass : this.hoverClass); | ||
+ | if(menu) | ||
+ | { | ||
+ | var self = this; | ||
+ | listitem.closetime = window.setTimeout(function(){self.hideSubmenu(menu);}, this.hideDelay); | ||
+ | } | ||
+ | if (this.hasFocus) | ||
+ | link.blur(); | ||
+ | } | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.getSibling = function(element, sibling) | ||
+ | { | ||
+ | var child = element[sibling]; | ||
+ | while (child && child.nodeName.toLowerCase() !='li') | ||
+ | child = child[sibling]; | ||
+ | |||
+ | return child; | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.prototype.getElementForKey = function(els, prop, dir) | ||
+ | { | ||
+ | var found = 0; | ||
+ | var rect = Spry.Widget.MenuBar.getPosition; | ||
+ | var ref = rect(els[found]); | ||
+ | |||
+ | var hideSubmenu = false; | ||
+ | //make the subelement visible to compute the position | ||
+ | if (els[1] && !this.hasClassName(els[1], this.MenuBarSubmenuVisible)) | ||
+ | { | ||
+ | els[1].style.visibility = 'hidden'; | ||
+ | this.showSubmenu(els[1]); | ||
+ | hideSubmenu = true; | ||
+ | } | ||
+ | |||
+ | var isVert = this.hasClassName(this.element, this.verticalClass); | ||
+ | var hasParent = els[0].parentNode.parentNode.nodeName.toLowerCase() == 'li' ? true : false; | ||
+ | |||
+ | for (var i = 1; i < els.length; i++){ | ||
+ | //when navigating on the y axis in vertical menus, ignore children and parents | ||
+ | if(prop=='y' && isVert && (i==1 || i==2)) | ||
+ | { | ||
+ | continue; | ||
+ | } | ||
+ | //when navigationg on the x axis in the FIRST LEVEL of horizontal menus, ignore children and parents | ||
+ | if(prop=='x' && !isVert && !hasParent && (i==1 || i==2)) | ||
+ | { | ||
+ | continue; | ||
+ | } | ||
+ | |||
+ | if (els[i]) | ||
+ | { | ||
+ | var tmp = rect(els[i]); | ||
+ | if ( (dir * tmp[prop]) < (dir * ref[prop])) | ||
+ | { | ||
+ | ref = tmp; | ||
+ | found = i; | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | |||
+ | // hide back the submenu | ||
+ | if (els[1] && hideSubmenu){ | ||
+ | this.hideSubmenu(els[1]); | ||
+ | els[1].style.visibility = ''; | ||
+ | } | ||
+ | |||
+ | return found; | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.camelize = function(str) | ||
+ | { | ||
+ | if (str.indexOf('-') == -1){ | ||
+ | return str; | ||
+ | } | ||
+ | var oStringList = str.split('-'); | ||
+ | var isFirstEntry = true; | ||
+ | var camelizedString = ''; | ||
+ | |||
+ | for(var i=0; i < oStringList.length; i++) | ||
+ | { | ||
+ | if(oStringList[i].length>0) | ||
+ | { | ||
+ | if(isFirstEntry) | ||
+ | { | ||
+ | camelizedString = oStringList[i]; | ||
+ | isFirstEntry = false; | ||
+ | } | ||
+ | else | ||
+ | { | ||
+ | var s = oStringList[i]; | ||
+ | camelizedString += s.charAt(0).toUpperCase() + s.substring(1); | ||
+ | } | ||
+ | } | ||
+ | } | ||
+ | |||
+ | return camelizedString; | ||
+ | }; | ||
+ | |||
+ | Spry.Widget.MenuBar.getStyleProp = function(element, prop) | ||
+ | { | ||
+ | var value; | ||
+ | try | ||
+ | { | ||
+ | if (element.style) | ||
+ | value = element.style[Spry.Widget.MenuBar.camelize(prop)]; | ||
+ | |||
+ | if (!value) | ||
+ | if (document.defaultView && document.defaultView.getComputedStyle) | ||
+ | { | ||
+ | var css = document.defaultView.getComputedStyle(element, null); | ||
+ | value = css ? css.getPropertyValue(prop) : null; | ||
+ | } | ||
+ | else if (element.currentStyle) | ||
+ | { | ||
+ | value = element.currentStyle[Spry.Widget.MenuBar.camelize(prop)]; | ||
+ | } | ||
+ | } | ||
+ | catch (e) {} | ||
+ | |||
+ | return value == 'auto' ? null : value; | ||
+ | }; | ||
+ | Spry.Widget.MenuBar.getIntProp = function(element, prop) | ||
+ | { | ||
+ | var a = parseInt(Spry.Widget.MenuBar.getStyleProp(element, prop),10); | ||
+ | if (isNaN(a)) | ||
+ | return 0; | ||
+ | return a; | ||
+ | }; | ||
+ | |||
+ | Spry.Widget.MenuBar.getPosition = function(el, doc) | ||
+ | { | ||
+ | doc = doc || document; | ||
+ | if (typeof(el) == 'string') { | ||
+ | el = doc.getElementById(el); | ||
+ | } | ||
+ | |||
+ | if (!el) { | ||
+ | return false; | ||
+ | } | ||
+ | |||
+ | if (el.parentNode === null || Spry.Widget.MenuBar.getStyleProp(el, 'display') == 'none') { | ||
+ | //element must be visible to have a box | ||
+ | return false; | ||
+ | } | ||
+ | |||
+ | var ret = {x:0, y:0}; | ||
+ | var parent = null; | ||
+ | var box; | ||
+ | |||
+ | if (el.getBoundingClientRect) { // IE | ||
+ | box = el.getBoundingClientRect(); | ||
+ | var scrollTop = doc.documentElement.scrollTop || doc.body.scrollTop; | ||
+ | var scrollLeft = doc.documentElement.scrollLeft || doc.body.scrollLeft; | ||
+ | ret.x = box.left + scrollLeft; | ||
+ | ret.y = box.top + scrollTop; | ||
+ | } else if (doc.getBoxObjectFor) { // gecko | ||
+ | box = doc.getBoxObjectFor(el); | ||
+ | ret.x = box.x; | ||
+ | ret.y = box.y; | ||
+ | } else { // safari/opera | ||
+ | ret.x = el.offsetLeft; | ||
+ | ret.y = el.offsetTop; | ||
+ | parent = el.offsetParent; | ||
+ | if (parent != el) { | ||
+ | while (parent) { | ||
+ | ret.x += parent.offsetLeft; | ||
+ | ret.y += parent.offsetTop; | ||
+ | parent = parent.offsetParent; | ||
+ | } | ||
+ | } | ||
+ | // opera & (safari absolute) incorrectly account for body offsetTop | ||
+ | if (Spry.is.opera || Spry.is.safari && Spry.Widget.MenuBar.getStyleProp(el, 'position') == 'absolute') | ||
+ | ret.y -= doc.body.offsetTop; | ||
+ | } | ||
+ | if (el.parentNode) | ||
+ | parent = el.parentNode; | ||
+ | else | ||
+ | parent = null; | ||
+ | if (parent.nodeName){ | ||
+ | var cas = parent.nodeName.toUpperCase(); | ||
+ | while (parent && cas != 'BODY' && cas != 'HTML') { | ||
+ | cas = parent.nodeName.toUpperCase(); | ||
+ | ret.x -= parent.scrollLeft; | ||
+ | ret.y -= parent.scrollTop; | ||
+ | if (parent.parentNode) | ||
+ | parent = parent.parentNode; | ||
+ | else | ||
+ | parent = null; | ||
+ | } | ||
+ | } | ||
+ | return ret; | ||
+ | }; | ||
+ | |||
+ | Spry.Widget.MenuBar.stopPropagation = function(ev) | ||
+ | { | ||
+ | if (ev.stopPropagation) | ||
+ | ev.stopPropagation(); | ||
+ | else | ||
+ | ev.cancelBubble = true; | ||
+ | if (ev.preventDefault) | ||
+ | ev.preventDefault(); | ||
+ | else | ||
+ | ev.returnValue = false; | ||
+ | }; | ||
+ | |||
+ | Spry.Widget.MenuBar.setOptions = function(obj, optionsObj, ignoreUndefinedProps) | ||
+ | { | ||
+ | if (!optionsObj) | ||
+ | return; | ||
+ | for (var optionName in optionsObj) | ||
+ | { | ||
+ | if (ignoreUndefinedProps && optionsObj[optionName] == undefined) | ||
+ | continue; | ||
+ | obj[optionName] = optionsObj[optionName]; | ||
+ | } | ||
+ | }; | ||
+ | |||
+ | })(); // EndSpryComponent | ||
+ | |||
+ | </script> | ||
+ | |||
+ | |||
+ | <style type="text/css"> | ||
+ | @charset "UTF-8"; | ||
+ | |||
+ | /* SpryMenuBarHorizontal.css - version 0.6 - Spry Pre-Release 1.6.1 */ | ||
+ | |||
+ | /* Copyright (c) 2006. Adobe Systems Incorporated. All rights reserved. */ | ||
+ | |||
+ | /******************************************************************************* | ||
+ | |||
+ | LAYOUT INFORMATION: describes box model, positioning, z-order | ||
+ | |||
+ | *******************************************************************************/ | ||
+ | |||
+ | /* The outermost container of the Menu Bar, an auto width box with no margin or padding */ | ||
+ | ul.MenuBarHorizontal | ||
+ | { | ||
+ | margin: 0; | ||
+ | padding: 0; | ||
+ | list-style-type: none; | ||
+ | font-size: 100%; | ||
+ | cursor: default; | ||
+ | width: auto; | ||
+ | } | ||
+ | /* Set the active Menu Bar with this class, currently setting z-index to accomodate IE rendering bug: http://therealcrisp.xs4all.nl/meuk/IE-zindexbug.html */ | ||
+ | ul.MenuBarActive | ||
+ | { | ||
+ | z-index: 1000; | ||
+ | } | ||
+ | /* Menu item containers, position children relative to this container and are a fixed width */ | ||
+ | ul.MenuBarHorizontal li | ||
+ | { | ||
+ | margin: 0; | ||
+ | padding: 0; | ||
+ | list-style-type: none; | ||
+ | font-size: 100%; | ||
+ | position: relative; | ||
+ | text-align: left; | ||
+ | cursor: pointer; | ||
+ | width: 8em; | ||
+ | float: left; | ||
+ | } | ||
+ | /* Submenus should appear below their parent (top: 0) with a higher z-index, but they are initially off the left side of the screen (-1000em) */ | ||
+ | ul.MenuBarHorizontal ul | ||
+ | { | ||
+ | margin: 0; | ||
+ | padding: 0; | ||
+ | list-style-type: none; | ||
+ | font-size: 100%; | ||
+ | z-index: 1020; | ||
+ | cursor: default; | ||
+ | width: 8.2em; | ||
+ | position: absolute; | ||
+ | left: -1000em; | ||
+ | } | ||
+ | /* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to auto so it comes onto the screen below its parent menu item */ | ||
+ | ul.MenuBarHorizontal ul.MenuBarSubmenuVisible | ||
+ | { | ||
+ | left: auto; | ||
+ | } | ||
+ | /* Menu item containers are same fixed width as parent */ | ||
+ | ul.MenuBarHorizontal ul li | ||
+ | { | ||
+ | width: 8.2em; | ||
+ | } | ||
+ | /* Submenus should appear slightly overlapping to the right (95%) and up (-5%) */ | ||
+ | ul.MenuBarHorizontal ul ul | ||
+ | { | ||
+ | position: absolute; | ||
+ | margin: -5% 0 0 95%; | ||
+ | } | ||
+ | /* Submenu that is showing with class designation MenuBarSubmenuVisible, we set left to 0 so it comes onto the screen */ | ||
+ | ul.MenuBarHorizontal ul.MenuBarSubmenuVisible ul.MenuBarSubmenuVisible | ||
+ | { | ||
+ | left: auto; | ||
+ | top: 0; | ||
+ | } | ||
+ | |||
+ | /******************************************************************************* | ||
+ | |||
+ | DESIGN INFORMATION: describes color scheme, borders, fonts | ||
+ | |||
+ | *******************************************************************************/ | ||
+ | |||
+ | /* Submenu containers have borders on all sides */ | ||
+ | ul.MenuBarHorizontal ul | ||
+ | { | ||
+ | border: 1px solid #CCC; | ||
+ | } | ||
+ | /* Menu items are a light gray block with padding and no text decoration */ | ||
+ | ul.MenuBarHorizontal a | ||
+ | { | ||
+ | display: block; | ||
+ | cursor: pointer; | ||
+ | background-color: #EEE; | ||
+ | padding: 0.5em 0.75em; | ||
+ | color: #333; | ||
+ | text-decoration: none; | ||
+ | } | ||
+ | /* Menu items that have mouse over or focus have a blue background and white text */ | ||
+ | ul.MenuBarHorizontal a:hover, ul.MenuBarHorizontal a:focus | ||
+ | { | ||
+ | background-color: #33C; | ||
+ | color: #FFF; | ||
+ | } | ||
+ | /* Menu items that are open with submenus are set to MenuBarItemHover with a blue background and white text */ | ||
+ | ul.MenuBarHorizontal a.MenuBarItemHover, ul.MenuBarHorizontal a.MenuBarItemSubmenuHover, ul.MenuBarHorizontal a.MenuBarSubmenuVisible | ||
+ | { | ||
+ | background-color: #33C; | ||
+ | color: #FFF; | ||
+ | } | ||
+ | |||
+ | /******************************************************************************* | ||
+ | |||
+ | SUBMENU INDICATION: styles if there is a submenu under a given menu item | ||
+ | |||
+ | *******************************************************************************/ | ||
+ | |||
+ | /* Menu items that have a submenu have the class designation MenuBarItemSubmenu and are set to use a background image positioned on the far left (95%) and centered vertically (50%) */ | ||
+ | ul.MenuBarHorizontal a.MenuBarItemSubmenu | ||
+ | { | ||
+ | background-image: url(SpryMenuBarDown.gif); | ||
+ | background-repeat: no-repeat; | ||
+ | background-position: 95% 50%; | ||
+ | } | ||
+ | /* Menu items that have a submenu have the class designation MenuBarItemSubmenu and are set to use a background image positioned on the far left (95%) and centered vertically (50%) */ | ||
+ | ul.MenuBarHorizontal ul a.MenuBarItemSubmenu | ||
+ | { | ||
+ | background-image: url(SpryMenuBarRight.gif); | ||
+ | background-repeat: no-repeat; | ||
+ | background-position: 95% 50%; | ||
+ | } | ||
+ | /* Menu items that are open with submenus have the class designation MenuBarItemSubmenuHover and are set to use a "hover" background image positioned on the far left (95%) and centered vertically (50%) */ | ||
+ | ul.MenuBarHorizontal a.MenuBarItemSubmenuHover | ||
+ | { | ||
+ | background-image: url(SpryMenuBarDownHover.gif); | ||
+ | background-repeat: no-repeat; | ||
+ | background-position: 95% 50%; | ||
+ | } | ||
+ | /* Menu items that are open with submenus have the class designation MenuBarItemSubmenuHover and are set to use a "hover" background image positioned on the far left (95%) and centered vertically (50%) */ | ||
+ | ul.MenuBarHorizontal ul a.MenuBarItemSubmenuHover | ||
+ | { | ||
+ | background-image: url(SpryMenuBarRightHover.gif); | ||
+ | background-repeat: no-repeat; | ||
+ | background-position: 95% 50%; | ||
+ | } | ||
+ | |||
+ | /******************************************************************************* | ||
+ | |||
+ | BROWSER HACKS: the hacks below should not be changed unless you are an expert | ||
+ | |||
+ | *******************************************************************************/ | ||
+ | |||
+ | /* HACK FOR IE: to make sure the sub menus show above form controls, we underlay each submenu with an iframe */ | ||
+ | ul.MenuBarHorizontal iframe | ||
+ | { | ||
+ | position: absolute; | ||
+ | z-index: 1010; | ||
+ | filter:alpha(opacity:0.1); | ||
+ | } | ||
+ | /* HACK FOR IE: to stabilize appearance of menu items; the slash in float is to keep IE 5.0 from parsing */ | ||
+ | @media screen, projection | ||
+ | { | ||
+ | ul.MenuBarHorizontal li.MenuBarItemIE | ||
+ | { | ||
+ | display: inline; | ||
+ | f\loat: left; | ||
+ | background: #FFF; | ||
+ | } | ||
+ | } | ||
+ | |||
+ | </style> | ||
+ | </header> | ||
+ | <body> | ||
+ | <ul id="MenuBar1" class="MenuBarHorizontal"> | ||
+ | <li><a class="MenuBarItemSubmenu" href="#">项目 1</a> | ||
+ | <ul> | ||
+ | <li><a href="#">项目 1.1</a></li> | ||
+ | <li><a href="#">项目 1.2</a></li> | ||
+ | <li><a href="#">项目 1.3</a></li> | ||
+ | </ul> | ||
+ | </li> | ||
+ | <li><a href="#">项目 2</a></li> | ||
+ | |||
+ | <li><a href="#">项目 4</a></li> | ||
+ | <li><a class="MenuBarItemSubmenu" href="#">项目 3</a> | ||
+ | <ul> | ||
+ | <li><a class="MenuBarItemSubmenu" href="#">项目 3.1</a> | ||
+ | <ul> | ||
+ | <li><a href="#">项目 3.1.1</a></li> | ||
+ | <li><a href="#">项目 3.1.2</a></li> | ||
+ | </ul> | ||
+ | </li> | ||
+ | <li><a href="#">项目 3.2</a></li> | ||
+ | <li><a href="#">项目 3.3</a></li> | ||
+ | </ul> | ||
+ | </li> | ||
+ | </ul> | ||
+ | <script type="text/javascript"> | ||
+ | var MenuBar1 = new Spry.Widget.MenuBar("MenuBar1", {imgDown:"SpryAssets/SpryMenuBarDownHover.gif", imgRight:"SpryAssets/SpryMenuBarRightHover.gif"}); | ||
+ | </script> | ||
+ | </body> | ||
+ | </html> |
Revision as of 04:10, 25 March 2013