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https://nowcomment.com/javascripts/modern/ddsmoothmenu.js

js nowcomment.com collected 2026-10-03 21:17:46 UTC 8,618 bytes, 151 lines download raw bytes

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
16//** Dec 17th, 10" (v1.5): Updated menu shadow to use CSS3 box shadows when the browser is FF3.5+, IE9+, Opera9.5+, or Safari3+/Chrome. Only .js file changed.
17
18var ddsmoothmenu={
19arrowimages: {down:['downarrowclass', '/images/modern/tiles/menuplus.png', 10], right:['rightarrowclass', '/images/modern/right.png']},
20transition: {overtime:400, outtime:300}, //duration of slide in/ out animation, in milliseconds
21shadow: {enable:false, offsetx:0, offsety:0}, //enable shadow?
22showhidedelay: {showdelay: 0, hidedelay: 0}, //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,
28css3support: window.msPerformance || (!document.all && document.querySelector), //detect browsers that support CSS3 box shadows (ie9+ or FF3.5+, Safari3+, Chrome etc)
29
30getajaxmenu:function($, setting){ //function to fetch external page containing the panel DIVs
31	var $menucontainer=$('#'+setting.contentsource[0]) //reference empty div on page that will hold menu
32	$menucontainer.html("Loading Menu...")
33	$.ajax({
34		url: setting.contentsource[1], //path to external menu file
35		async: true,
36		error:function(ajaxrequest){
37			$menucontainer.html('Error fetching content. Server Response: '+ajaxrequest.responseText)
38		},
39		success:function(content){
40			$menucontainer.html(content)
41			ddsmoothmenu.buildmenu($, setting)
42		}
43	})
44},
45
46
47buildmenu:function($, setting){
48	var smoothmenu=ddsmoothmenu
49	var $mainmenu=$("#"+setting.mainmenuid+">ul") //reference main menu UL
50	$mainmenu.parent().get(0).className=setting.classname || "ddsmoothmenu"
51	var $headers=$mainmenu.find("ul").parent()
52	$headers.hover(
53		function(e){
54			$(this).children('a:eq(0)').addClass('selected')
55		},
56		function(e){
57			$(this).children('a:eq(0)').removeClass('selected')
58		}
59	)
60	$headers.each(function(i){ //loop through each LI header
61		var $curobj=$(this).css({zIndex: 200-i}) //reference current LI header
62		var $subul=$(this).find('ul:eq(0)').css({display:'block'})
63		$subul.data('timers', {})
64		this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()}
65		this.istopheader=$curobj.parents("ul").length==1? true : false //is top level header?
66		$subul.css({top:this.istopheader && setting.orientation!='v'? this._dimensions.h+"px" : 0})
67//		$curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: smoothmenu.arrowimages.down[2]} : {}).append( //add arrow images
68//			'<img src="'+ (this.istopheader && setting.orientation!='v'? smoothmenu.arrowimages.down[1] : smoothmenu.arrowimages.right[1])
69//			+'" class="' + (this.istopheader && setting.orientation!='v'? smoothmenu.arrowimages.down[0] : smoothmenu.arrowimages.right[0])
70//			+ '" style="border:0;" />'
71//		)
72		if (smoothmenu.shadow.enable && !smoothmenu.css3support){ //if shadows enabled and browser doesn't support CSS3 box shadows
73			this._shadowoffset={x:(this.istopheader?$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
74			if (this.istopheader)
75				$parentshadow=$(document.body)
76			else{
77				var $parentLi=$curobj.parents("li:eq(0)")
78				$parentshadow=$parentLi.get(0).$shadow
79			}
80			this.$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
81		}
82		$curobj.hover(
83			function(e){
84				var $targetul=$subul //reference UL to reveal
85				var header=$curobj.get(0) //reference header LI as DOM object
86				clearTimeout($targetul.data('timers').hidetimer)
87				$targetul.data('timers').showtimer=setTimeout(function(){
88					header._offsets={left:$curobj.offset().left, top:$curobj.offset().top}
89					var menuleft=header.istopheader && setting.orientation!='v'? 0 : header._dimensions.w
90					menuleft=(header._offsets.left+menuleft+header._dimensions.subulw>$(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
91					if ($targetul.queue().length<=1){ //if 1 or less queued animations
92						$targetul.css({left:menuleft+"px", width:header._dimensions.subulw+'px'}).animate({height:'show', opacity:'show'}
92, ddsmoothmenu.transition.overtime, 'easeOutExpo')
93						if (smoothmenu.shadow.enable && !smoothmenu.css3support){
94							var shadowleft=header.istopheader? $targetul.offset().left+ddsmoothmenu.shadow.offsetx : menuleft
95							var shadowtop=header.istopheader?$targetul.offset().top+smoothmenu.shadow.offsety : header._shadowoffset.y
96							if (!header.istopheader && ddsmoothmenu.detectwebkit){ //in WebKit browsers, restore shadow's opacity to full
97								header.$shadow.css({opacity:1})
98							}
99							header.$shadow.css({overflow:'', width:header._dimensions.subulw+'px', left:shadowleft+'px', top:shadowtop+'px'}).animate({height:header._dimensions.subulh+'px'}, ddsmoothmenu.transition.overtime, 'easeOutExpo')
100						}
101					}
102				}, ddsmoothmenu.showhidedelay.showdelay)
103			},
104			function(e){
105				var $targetul=$subul
106				var header=$curobj.get(0)
107				clearTimeout($targetul.data('timers').showtimer)
108				$targetul.data('timers').hidetimer=setTimeout(function(){
109					$targetul.animate({height:'hide', opacity:'hide'}, ddsmoothmenu.transition.outtime, 'easeOutExpo')
110					if (smoothmenu.shadow.enable && !smoothmenu.css3support){
111						if (ddsmoothmenu.detectwebkit){ //in WebKit browsers, set first child shadow's opacity to 0, as "overflow:hidden" doesn't work in them
112							header.$shadow.children('div:eq(0)').css({opacity:0})
113						}
114						header.$shadow.css({overflow:'hidden'}).animate({height:0}, ddsmoothmenu.transition.outtime, 'easeOutExpo')
115					}
116				}, ddsmoothmenu.showhidedelay.hidedelay)
117			}
118		) //end hover
119	}) //end $headers.each()
120	if (smoothmenu.shadow.enable && smoothmenu.css3support){ //if shadows enabled and browser supports CSS3 shadows
121		var $toplevelul=$('#'+setting.mainmenuid+' ul li ul')
122		var css3shadow=parseInt(smoothmenu.shadow.offsetx)+"px "+parseInt(smoothmenu.shadow.offsety)+"px 5px #aaa" //construct CSS3 box-shadow value
123		var shadowprop=["boxShadow", "MozBoxShadow", "WebkitBoxShadow", "MsBoxShadow"] //possible vendor specific CSS3 shadow properties
124		for (var i=0; i<shadowprop.length; i++){
125			$toplevelul.css(shadowprop[i], css3shadow)
126		}
127	}
128	$mainmenu.find("ul").css({display:'none', visibility:'visible'})
129},
130
131init:function(setting){
132	if (typeof setting.customtheme=="object" && setting.customtheme.length==2){ //override default menu colors (default/hover) with custom set?
133		var mainmenuid='#'+setting.mainmenuid
134		var mainselector=(setting.orientation=="v")? mainmenuid : mainmenuid+', '+mainmenuid
135		document.write('<style type="text/css">\n'
136			+mainselector+' ul li a {background:'+setting.customtheme[0]+';}\n'
137			+mainmenuid+' ul li a:hover {background:'+setting.customtheme[1]+';}\n'
138		+'</style>')
139	}
140	this.shadow.enable=(document.all && !window.XMLHttpRequest)? false : this.shadow.enable //in IE6, always disable shadow
141	jQuery(document).ready(function($){ //ajax menu?
142		if (typeof setting.contentsource=="object"){ //if external ajax menu
143			ddsmoothmenu.getajaxmenu($, setting)
144		}
145		else{ //else if markup menu
146			ddsmoothmenu.buildmenu($, setting)
147		}
148	})
149}
150
151} //end ddsmoothmenu variable

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