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 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): 19 arrowimages: { down: ['downarrowclass', 'down.gif', 0], right: ['rightarrowclass', 'right.gif', 0] }, 20 21 transition: { overtime: 0, outtime: 0 }, //duration of slide in/ out animation, in milliseconds 22 shadow: { enable: false, offsetx: 5, offsety: 5 }, 23 24 ///////Stop configuring beyond here/////////////////////////// 25 26 detectwebkit: navigator.userAgent.toLowerCase().indexOf("applewebkit") != -1, //detect WebKit browsers (Safari, Chrome etc) 27 detectie6: document.all && !window.XMLHttpRequest, 28 29 getajaxmenu: 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 46 buildmenu: 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 this._dimensions = { w: this.offsetWidth, h: this.offsetHeight - 1, subulw: $subul.outerWidth(), subulh: $subul.outerHeight() } 63 this.istopheader = $curobj.parents("ul").length == 1 ? true : false //is top level header? 64 $subul.css({ top: this.istopheader && setting.orientation != 'v' ? this._dimensions.h + "px" : 0 }) 65 /*$curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: smoothmenu.arrowimages.down[2]} : {}).append( //add arrow images 66 '<img src="'+ (this.istopheader && setting.orientation!='v'? smoothmenu.arrowimages.down[1] : smoothmenu.arrowimages.right[1]) 67 +'" class="' + (this.istopheader && setting.orientation!='v'? smoothmenu.arrowimages.down[0] : smoothmenu.arrowimages.right[0]) 68 + '" style="border:0;" />' 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 = $(this).children("ul:eq(0)") 83 this._offsets = { left: $(this).offset().left, top: $(this).offset().top } 84 var menuleft = this.istopheader && setting.orientation != 'v' ? 0 : this._dimensions.w 85 menuleft = (this._offsets.left + menuleft + this._dimensions.subulw > $(window).width()) ? (this.istopheader && setting.orientation != 'v' ? -this._dimensions.subulw + this._dimensions.w : -this._dimensions.w) : menuleft //calculate this sub menu's offsets from its parent 86 if ($targetul.queue().length <= 1) { //if 1 or less queued animations 87 $targetul.css({ left: menuleft + "px", width: this._dimensions.subulw + 'px' }).animate({ height: 'show', opacity: 'show' }, ddsmoothmenu.transition.overtime) 88 if (smoothmenu.shadow.enable) { 89 var shadowleft = this.istopheader ? $targetul.offset().left + ddsmoothmenu.shadow.offsetx : menuleft 90 var shadowtop = this.istopheader ? $targetul.offset().top + smoothmenu.shadow.offsety : this._shadowoffset.y 91 if (!this.istopheader && ddsmoothmenu.detectwebkit) { //in WebKit browsers, restore shadow's opacity to full 92 this.$shadow.css({ opacity: 1 }) 93 } 94 this.$shadow.css({ overflow: '', width: this._dimensions.subulw + 'px', left: shadowleft + 'px', top: shadowtop + 'px' }).animate({ height: this._dimensions.subulh + 'px' }
94, ddsmoothmenu.transition.overtime) 95 } 96 } 97 }, 98 function (e) { 99 var $targetul = $(this).children("ul:eq(0)") 100 $targetul.animate({ height: 'hide', opacity: 'hide' }, ddsmoothmenu.transition.outtime) 101 if (smoothmenu.shadow.enable) { 102 if (ddsmoothmenu.detectwebkit) { //in WebKit browsers, set first child shadow's opacity to 0, as "overflow:hidden" doesn't work in them 103 this.$shadow.children('div:eq(0)').css({ opacity: 0 }) 104 } 105 this.$shadow.css({ overflow: 'hidden' }).animate({ height: 0 }, ddsmoothmenu.transition.outtime) 106 } 107 } 108 ) //end hover 109 }) //end $headers.each() 110 $mainmenu.find("ul").css({ display: 'none', visibility: 'visible' }) 111 }, 112 113 init: function (setting) { 114 if (typeof setting.customtheme == "object" && setting.customtheme.length == 2) { //override default menu colors (default/hover) with custom set? 115 var mainmenuid = '#' + setting.mainmenuid 116 var mainselector = (setting.orientation == "v") ? mainmenuid : mainmenuid + ', ' + mainmenuid
117 document.write('<style type="text/css">\n' 118 + mainselector + ' ul li a {background:' + setting.customtheme[0] + ';}\n' 119 + mainmenuid + ' ul li a:hover {background:' + setting.customtheme[1] + ';}\n' 120 + '</style>') 121 } 122 this.shadow.enable = (document.all && !window.XMLHttpRequest) ? false : this.shadow.enable //in IE6, always disable shadow 123 jQuery(document).ready(function ($) { //ajax menu? 124 if (typeof setting.contentsource == "object") { //if external ajax menu 125 ddsmoothmenu.getajaxmenu($, setting) 126 } 127 else { //else if markup menu 128 ddsmoothmenu.buildmenu($, setting) 129 } 130 }) 131 } 132 133} //end ddsmoothmenu variable 134 135//Initialize Menu instance(s): 136
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