138 lines
7.0 KiB
JavaScript
138 lines
7.0 KiB
JavaScript
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//** Smooth Navigational Menu- By Dynamic Drive DHTML code library: http://www.dynamicdrive.com
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//** Script Download/ instructions page: http://www.dynamicdrive.com/dynamicindex1/ddlevelsmenu/
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//** Menu created: Nov 12, 2008
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//** 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
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//** Feb 11th, 09" (v1.02): The currently active main menu item (LI A) now gets a CSS class of ".selected", including sub menu items.
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//** May 1st, 09" (v1.3):
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//** 1) Now supports vertical (side bar) menu mode- set "orientation" to 'v'
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//** 2) In IE6, shadows are now always disabled
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//** July 27th, 09" (v1.31): Fixed bug so shadows can be disabled if desired.
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//** Feb 2nd, 10" (v1.4): Adds ability to specify delay before sub menus appear and disappear, respectively. See showhidedelay variable below
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var ddsmoothmenu={
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//Specify full URL to down and right arrow images (23 is padding-right added to top level LIs with drop downs):
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arrowimages: {down:['downarrowclass', 'down.gif', 23], right:['rightarrowclass', 'right.gif']},
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transition: {overtime:300, outtime:300}, //duration of slide in/ out animation, in milliseconds
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shadow: {enable:true, offsetx:5, offsety:5}, //enable shadow?
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showhidedelay: {showdelay: 100, hidedelay: 200}, //set delay in milliseconds before sub menus appear and disappear, respectively
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///////Stop configuring beyond here///////////////////////////
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detectwebkit: navigator.userAgent.toLowerCase().indexOf("applewebkit")!=-1, //detect WebKit browsers (Safari, Chrome etc)
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detectie6: document.all && !window.XMLHttpRequest,
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getajaxmenu:function($, setting){ //function to fetch external page containing the panel DIVs
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var $menucontainer=$('#'+setting.contentsource[0]) //reference empty div on page that will hold menu
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$menucontainer.html("Loading Menu...")
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$.ajax({
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url: setting.contentsource[1], //path to external menu file
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async: true,
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error:function(ajaxrequest){
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$menucontainer.html('Error fetching content. Server Response: '+ajaxrequest.responseText)
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},
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success:function(content){
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$menucontainer.html(content)
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ddsmoothmenu.buildmenu($, setting)
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}
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})
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},
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buildmenu:function($, setting){
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var smoothmenu=ddsmoothmenu
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var $mainmenu=$("#"+setting.mainmenuid+">ul") //reference main menu UL
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$mainmenu.parent().get(0).className=setting.classname || "ddsmoothmenu"
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var $headers=$mainmenu.find("ul").parent()
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$headers.hover(
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function(e){
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$(this).children('a:eq(0)').addClass('selected')
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},
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function(e){
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$(this).children('a:eq(0)').removeClass('selected')
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}
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)
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$headers.each(function(i){ //loop through each LI header
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var $curobj=$(this).css({zIndex: 100-i}) //reference current LI header
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var $subul=$(this).find('ul:eq(0)').css({display:'block'})
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$subul.data('timers', {})
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this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()}
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this.istopheader=$curobj.parents("ul").length==1? true : false //is top level header?
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$subul.css({top:this.istopheader && setting.orientation!='v'? this._dimensions.h+"px" : 0})
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if (smoothmenu.shadow.enable){
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this._shadowoffset={x:(this.istopheader?$subul.offset().left+smoothmenu.shadow.offsetx : this._dimensions.w), y:(this.istopheader? $subul.offset().top+smoothmenu.shadow.offsety : $curobj.position().top)} //store this shadow's offsets
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if (this.istopheader)
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$parentshadow=$(document.body)
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else{
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var $parentLi=$curobj.parents("li:eq(0)")
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$parentshadow=$parentLi.get(0).$shadow
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}
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this.$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
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}
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$curobj.hover(
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function(e){
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var $targetul=$subul //reference UL to reveal
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var header=$curobj.get(0) //reference header LI as DOM object
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clearTimeout($targetul.data('timers').hidetimer)
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$targetul.data('timers').showtimer=setTimeout(function(){
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header._offsets={left:$curobj.offset().left, top:$curobj.offset().top}
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var menuleft=header.istopheader && setting.orientation!='v'? 0 : header._dimensions.w
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menuleft=(header._offsets.left+menuleft+header._dimensions.subulw>$(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
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if ($targetul.queue().length<=1){ //if 1 or less queued animations
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$targetul.css({left:menuleft+"px", width:header._dimensions.subulw+'px'}).animate({height:'show',opacity:'show'}, ddsmoothmenu.transition.overtime)
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if (smoothmenu.shadow.enable){
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var shadowleft=header.istopheader? $targetul.offset().left+ddsmoothmenu.shadow.offsetx : menuleft
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var shadowtop=header.istopheader?$targetul.offset().top+smoothmenu.shadow.offsety : header._shadowoffset.y
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if (!header.istopheader && ddsmoothmenu.detectwebkit){ //in WebKit browsers, restore shadow's opacity to full
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header.$shadow.css({opacity:1})
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}
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header.$shadow.css({overflow:'', width:header._dimensions.subulw+'px', left:shadowleft+'px', top:shadowtop+'px'}).animate({height:header._dimensions.subulh+'px'}, ddsmoothmenu.transition.overtime)
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}
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}
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}, ddsmoothmenu.showhidedelay.showdelay)
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},
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function(e){
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var $targetul=$subul
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var header=$curobj.get(0)
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clearTimeout($targetul.data('timers').showtimer)
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$targetul.data('timers').hidetimer=setTimeout(function(){
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$targetul.animate({height:'hide', opacity:'hide'}, ddsmoothmenu.transition.outtime)
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if (smoothmenu.shadow.enable){
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if (ddsmoothmenu.detectwebkit){ //in WebKit browsers, set first child shadow's opacity to 0, as "overflow:hidden" doesn't work in them
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header.$shadow.children('div:eq(0)').css({opacity:0})
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}
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header.$shadow.css({overflow:'hidden'}).animate({height:0}, ddsmoothmenu.transition.outtime)
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}
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}, ddsmoothmenu.showhidedelay.hidedelay)
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}
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) //end hover
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}) //end $headers.each()
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$mainmenu.find("ul").css({display:'none', visibility:'visible'})
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},
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init:function(setting){
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if (typeof setting.customtheme=="object" && setting.customtheme.length==2){ //override default menu colors (default/hover) with custom set?
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var mainmenuid='#'+setting.mainmenuid
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var mainselector=(setting.orientation=="v")? mainmenuid : mainmenuid+', '+mainmenuid
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document.write('<style type="text/css">\n'
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+mainselector+' ul li a {background:'+setting.customtheme[0]+';}\n'
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+mainmenuid+' ul li a:hover {background:'+setting.customtheme[1]+';}\n'
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+'</style>')
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}
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this.shadow.enable=(document.all && !window.XMLHttpRequest)? false : this.shadow.enable //in IE6, always disable shadow
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jQuery(document).ready(function($){ //ajax menu?
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if (typeof setting.contentsource=="object"){ //if external ajax menu
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ddsmoothmenu.getajaxmenu($, setting)
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}
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else{ //else if markup menu
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ddsmoothmenu.buildmenu($, setting)
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}
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})
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}
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} //end ddsmoothmenu variable
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