1//** Smooth Navigational Menu- By Dynamic Drive DHTML code library: http://www.dynamicdrive.com 2//** Script Download/ instructions page: http://www.dynamicdrive.com/dynamicindex1/ddlevelsmenu/ 3//** Menu created: Nov 12, 2008 4 5//** Dec 12th, 08" (v1.01): Fixed Shadow issue when multiple LIs within the same UL (level) contain sub menus: http://www.dynamicdrive.com/forums/showthread.php?t=39177&highlight=smooth 6 7//** Feb 11th, 09" (v1.02): The currently active main menu item (LI A) now gets a CSS class of ".selected", including sub menu items. 8 9//** May 1st, 09" (v1.3): 10//** 1) Now supports vertical (side bar) menu mode- set "orientation" to 'v' 11//** 2) In IE6, shadows are now always disabled 12 13//** July 27th, 09" (v1.31): Fixed bug so shadows can be disabled if desired. 14//** Feb 2nd, 10" (v1.4): Adds ability to specify delay before sub menus appear and disappear, respectively. See showhidedelay variable below 15 16var ddsmoothmenu={ 17 18//Specify full URL to down and right arrow images (23 is padding-right added to top level LIs with drop downs): 19arrowimages: {down:['downarrowclass', 'images/spacer.gif'], right:['rightarrowclass', 'images/spacer.gif']}, 20transition: {overtime:300, outtime:300}, //duration of slide in/ out animation, in milliseconds 21shadow: {enable:true, offsetx:5, offsety:5}, //enable shadow? 22showhidedelay: {showdelay: 100, hidedelay: 200}, //set delay in milliseconds before sub menus appear and disappear, respectively 23 24///////Stop configuring beyond here/////////////////////////// 25 26detectwebkit: navigator.userAgent.toLowerCase().indexOf("applewebkit")!=-1, //detect WebKit browsers (Safari, Chrome etc) 27detectie6: document.all && !window.XMLHttpRequest, 28 29getajaxmenu:function($, setting){ //function to fetch external page containing the panel DIVs 30 var $menucontainer=$('#'+setting.contentsource[0]) //reference empty div on page that will hold menu 31 $menucontainer.html("Loading Menu...") 32 $.ajax({ 33 url: setting.contentsource[1], //path to external menu file 34 async: true, 35 error:function(ajaxrequest){ 36 $menucontainer.html('Error fetching content. Server Response: '+ajaxrequest.responseText) 37 }, 38 success:function(content){ 39 $menucontainer.html(content) 40 ddsmoothmenu.buildmenu($, setting) 41 } 42 }) 43}, 44 45 46buildmenu:function($, setting){ 47 var smoothmenu=ddsmoothmenu 48 var $mainmenu=$("#"+setting.mainmenuid+">ul") //reference main menu UL 49 $mainmenu.parent().get(0).className=setting.classname || "ddsmoothmenu" 50 var $headers=$mainmenu.find("ul").parent() 51 $headers.hover( 52 function(e){ 53 $(this).children('a:eq(0)').addClass('selected') 54 }, 55 function(e){ 56 $(this).children('a:eq(0)').removeClass('selected') 57 } 58 ) 59 $headers.each(function(i){ //loop through each LI header 60 var $curobj=$(this).css({zIndex: 100-i}) //reference current LI header 61 var $subul=$(this).find('ul:eq(0)').css({display:'block'}) 62 $subul.data('timers', {}) 63 this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()} 64 this.istopheader=$curobj.parents("ul").length==1? true : false //is top level header? 65 $subul.css({top:this.istopheader && setting.orientation!='v'? this._dimensions.h+"px" : 0}) 66 $curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: smoothmenu.arrowimages.down[2]} : {}).append( //add arrow images 67 '<span class="' + (this.istopheader && setting.orientation!='v'? smoothmenu.arrowimages.down[0] : smoothmenu.arrowimages.right[0]) 68 + '"></span>' 69 ) 70 if (smoothmenu.shadow.enable){ 71 this._shadowoffset={x:(this.istopheader?$subul.offset().left+smoothmenu.shadow.offsetx : this._dimensions.w), y:(this.istopheader? $subul.offset().top+smoothmenu.shadow.offsety : $curobj.position().top)} //store this shadow's offsets 72 if (this.istopheader) 73 $parentshadow=$(document.body) 74 else{ 75 var $parentLi=$curobj.parents("li:eq(0)") 76 $parentshadow=$parentLi.get(0).$shadow 77 } 78 this.$shadow=$('<div class="ddshadow'+(this.istopheader? ' toplevelshadow' : '')+'"></div>').prependTo($parentshadow).css({left:this._shadowoffset.x+'px', top:this._shadowoffset.y+'px'}) //insert shadow DIV and set it to parent node for the next shadow div 79 } 80 $curobj.hover( 81 function(e){ 82 var $targetul=$subul //reference UL to reveal 83 var header=$curobj.get(0) //reference header LI as DOM object 84 clearTimeout($targetul.data('timers').hidetimer) 85 $targetul.data('timers').showtimer=setTimeout(function(){ 86 header._offsets={left:$curobj.offset().left, top:$curobj.offset().top} 87 var menuleft=header.istopheader && setting.orientation!='v'? 0 : header._dimensions.w 88 menuleft=(header._offsets.left+menuleft+header._dimensions.subulw>$(window).width())? (header.istopheader && setting.orientation!='v'? -header._dimensions.subulw+header._dimensions.w : -header._dimensions.w) : menuleft //calculate this sub menu's offsets from its parent 89 if ($targetul.queue().length<=1){ //if 1 or less queued animations 90 $targetul.css({left:menuleft+"px", width:header._dimensions.subulw+'px'}).animate({height:'show',opacity:'show'}
90, ddsmoothmenu.transition.overtime) 91 if (smoothmenu.shadow.enable){ 92 var shadowleft=header.istopheader? $targetul.offset().left+ddsmoothmenu.shadow.offsetx : menuleft 93 var shadowtop=header.istopheader?$targetul.offset().top+smoothmenu.shadow.offsety : header._shadowoffset.y 94 if (!header.istopheader && ddsmoothmenu.detectwebkit){ //in WebKit browsers, restore shadow's opacity to full 95 header.$shadow.css({opacity:1}) 96 } 97 header.$shadow.css({overflow:'', width:header._dimensions.subulw+'px', left:shadowleft+'px', top:shadowtop+'px'}).animate({height:header._dimensions.subulh+'px'}, ddsmoothmenu.transition.overtime) 98 } 99 } 100 }, ddsmoothmenu.showhidedelay.showdelay) 101 }, 102 function(e){ 103 var $targetul=$subul 104 var header=$curobj.get(0) 105 clearTimeout($targetul.data('timers').showtimer) 106 $targetul.data('timers').hidetimer=setTimeout(function(){ 107 $targetul.animate({height:'hide', opacity:'hide'}, ddsmoothmenu.transition.outtime) 108 if (smoothmenu.shadow.enable){ 109 if (ddsmoothmenu.detectwebkit){ //in WebKit browsers, set first child shadow's opacity to 0, as "overflow:hidden" doesn't work in them 110 header.$shadow.children('div:eq(0)').css({opacity:0}) 111 } 112 header.$shadow.css({overflow:'hidden'}).animate({height:0}, ddsmoothmenu.transition.outtime) 113 } 114 }, ddsmoothmenu.showhidedelay.hidedelay) 115 } 116 ) //end hover 117 }) //end $headers.each() 118 $mainmenu.find("ul").css({display:'none', visibility:'visible'}) 119}, 120 121init:function(setting){ 122 if (typeof setting.customtheme=="object" && setting.customtheme.length==2){ //override default menu colors (default/hover) with custom set? 123 var mainmenuid='#'+setting.mainmenuid 124 var mainselector=(setting.orientation=="v")? mainmenuid : mainmenuid+', '+mainmenuid
125 document.write('<style type="text/css">\n' 126 +mainselector+' ul li a {background:'+setting.customtheme[0]+';}\n' 127 +mainmenuid+' ul li a:hover {background:'+setting.customtheme[1]+';}\n' 128 +'</style>') 129 } 130 this.shadow.enable=(document.all && !window.XMLHttpRequest)? false : this.shadow.enable //in IE6, always disable shadow 131 jQuery(document).ready(function($){ //ajax menu? 132 if (typeof setting.contentsource=="object"){ //if external ajax menu 133 ddsmoothmenu.getajaxmenu($, setting) 134 } 135 else{ //else if markup menu 136 ddsmoothmenu.buildmenu($, setting) 137 } 138 }) 139} 140 141} //end ddsmoothmenu variable
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