mirror of https://github.com/captn3m0/js-guard.git
257 lines
14 KiB
JavaScript
257 lines
14 KiB
JavaScript
//dynamic content loading in panel
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var ddaccordion={
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ajaxloadingmsg: '<img src="loading2.gif" /><br />Loading Content...', //customize HTML to output while Ajax content is being fetched (if applicable)
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headergroup: {}, //object to store corresponding header group based on headerclass value
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contentgroup: {}, //object to store corresponding content group based on headerclass value
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preloadimages:function($images){
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$images.each(function(){
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var preloadimage=new Image()
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preloadimage.src=this.src
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})
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},
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expandone:function(headerclass, selected, scrolltoheader){ //PUBLIC function to expand a particular header
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this.toggleone(headerclass, selected, "expand", scrolltoheader)
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},
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collapseone:function(headerclass, selected){ //PUBLIC function to collapse a particular header
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this.toggleone(headerclass, selected, "collapse")
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},
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expandall:function(headerclass){ //PUBLIC function to expand all headers based on their shared CSS classname
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var $headers=this.headergroup[headerclass]
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this.contentgroup[headerclass].filter(':hidden').each(function(){
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$headers.eq(parseInt($(this).attr('contentindex'))).trigger("evt_accordion")
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})
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},
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collapseall:function(headerclass){ //PUBLIC function to collapse all headers based on their shared CSS classname
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var $headers=this.headergroup[headerclass]
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this.contentgroup[headerclass].filter(':visible').each(function(){
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$headers.eq(parseInt($(this).attr('contentindex'))).trigger("evt_accordion")
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})
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},
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toggleone:function(headerclass, selected, optstate, scrolltoheader){ //PUBLIC function to expand/ collapse a particular header
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var $targetHeader=this.headergroup[headerclass].eq(selected)
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var $subcontent=this.contentgroup[headerclass].eq(selected)
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if (typeof optstate=="undefined" || optstate=="expand" && $subcontent.is(":hidden") || optstate=="collapse" && $subcontent.is(":visible"))
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$targetHeader.trigger("evt_accordion", [false, scrolltoheader])
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},
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ajaxloadcontent:function($targetHeader, $targetContent, config, callback){
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var ajaxinfo=$targetHeader.data('ajaxinfo')
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function handlecontent(content){ //nested function
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if (content){ //if ajax content has loaded
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ajaxinfo.cacheddata=content //remember ajax content
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ajaxinfo.status="cached" //set ajax status to cached
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if ($targetContent.queue("fx").length==0){ //if this content isn't currently expanding or collapsing
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$targetContent.hide().html(content) //hide loading message, then set sub content's HTML to ajax content
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ajaxinfo.status="complete" //set ajax status to complete
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callback() //execute callback function- expand this sub content
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}
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}
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if (ajaxinfo.status!="complete"){
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setTimeout(function(){handlecontent(ajaxinfo.cacheddata)}, 100) //call handlecontent() again until ajax content has loaded (ajaxinfo.cacheddata contains data)
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}
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} //end nested function
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if (ajaxinfo.status=="none"){ //ajax data hasn't been fetched yet
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$targetContent.html(this.ajaxloadingmsg)
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$targetContent.slideDown(config.animatespeed)
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ajaxinfo.status="loading" //set ajax status to "loading"
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$.ajax({
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url: ajaxinfo.url, //path to external menu file
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error:function(ajaxrequest){
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handlecontent('Error fetching content. Server Response: '+ajaxrequest.responseText)
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},
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success:function(content){
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content=(content=="")? " " : content //if returned content is empty, set it to "space" is content no longer returns false/empty (hasn't loaded yet)
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handlecontent(content)
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}
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})
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}
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else if (ajaxinfo.status=="loading")
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handlecontent(ajaxinfo.cacheddata)
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},
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expandit:function($targetHeader, $targetContent, config, useractivated, directclick, skipanimation, scrolltoheader){
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var ajaxinfo=$targetHeader.data('ajaxinfo')
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if (ajaxinfo){ //if this content should be fetched via Ajax
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if (ajaxinfo.status=="none" || ajaxinfo.status=="loading")
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this.ajaxloadcontent($targetHeader, $targetContent, config, function(){ddaccordion.expandit($targetHeader, $targetContent, config, useractivated, directclick)})
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else if (ajaxinfo.status=="cached"){
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$targetContent.html(ajaxinfo.cacheddata)
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ajaxinfo.cacheddata=null
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ajaxinfo.status="complete"
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}
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}
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this.transformHeader($targetHeader, config, "expand")
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$targetContent.slideDown(skipanimation? 0 : config.animatespeed, function(){
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config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), useractivated)
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if (scrolltoheader){
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var sthdelay=(config["collapseprev"])? 20 : 0
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clearTimeout(config.sthtimer)
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config.sthtimer=setTimeout(function(){ddaccordion.scrollToHeader($targetHeader)}, sthdelay)
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}
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if (config.postreveal=="gotourl" && directclick){ //if revealtype is "Go to Header URL upon click", and this is a direct click on the header
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var targetLink=($targetHeader.is("a"))? $targetHeader.get(0) : $targetHeader.find('a:eq(0)').get(0)
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if (targetLink) //if this header is a link
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setTimeout(function(){location=targetLink.href}, 200 + (scrolltoheader? 400+sthdelay : 0) ) //ignore link target, as window.open(targetLink, targetLink.target) doesn't work in FF if popup blocker enabled
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}
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})
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},
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scrollToHeader:function($targetHeader){
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ddaccordion.$docbody.stop().animate({scrollTop: $targetHeader.offset().top}, 400)
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},
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collapseit:function($targetHeader, $targetContent, config, isuseractivated){
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this.transformHeader($targetHeader, config, "collapse")
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$targetContent.slideUp(config.animatespeed, function(){config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), isuseractivated)})
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},
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transformHeader:function($targetHeader, config, state){
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$targetHeader.addClass((state=="expand")? config.cssclass.expand : config.cssclass.collapse) //alternate btw "expand" and "collapse" CSS classes
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.removeClass((state=="expand")? config.cssclass.collapse : config.cssclass.expand)
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if (config.htmlsetting.location=='src'){ //Change header image (assuming header is an image)?
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$targetHeader=($targetHeader.is("img"))? $targetHeader : $targetHeader.find('img').eq(0) //Set target to either header itself, or first image within header
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$targetHeader.attr('src', (state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse) //change header image
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}
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else if (config.htmlsetting.location=="prefix") //if change "prefix" HTML, locate dynamically added ".accordprefix" span tag and change it
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$targetHeader.find('.accordprefix').empty().append((state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse)
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else if (config.htmlsetting.location=="suffix")
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$targetHeader.find('.accordsuffix').empty().append((state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse)
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},
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urlparamselect:function(headerclass){
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var result=window.location.search.match(new RegExp(headerclass+"=((\\d+)(,(\\d+))*)", "i")) //check for "?headerclass=2,3,4" in URL
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if (result!=null)
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result=RegExp.$1.split(',')
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return result //returns null, [index], or [index1,index2,etc], where index are the desired selected header indices
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},
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getCookie:function(Name){
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var re=new RegExp(Name+"=[^;]+", "i") //construct RE to search for target name/value pair
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if (document.cookie.match(re)) //if cookie found
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return document.cookie.match(re)[0].split("=")[1] //return its value
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return null
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},
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setCookie:function(name, value){
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document.cookie = name + "=" + value + "; path=/"
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},
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init:function(config){
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document.write('<style type="text/css">\n')
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document.write('.'+config.contentclass+'{display: none}\n') //generate CSS to hide contents
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document.write('a.hiddenajaxlink{display: none}\n') //CSS class to hide ajax link
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document.write('<\/style>')
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jQuery(document).ready(function($){
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ddaccordion.urlparamselect(config.headerclass)
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var persistedheaders=ddaccordion.getCookie(config.headerclass)
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ddaccordion.headergroup[config.headerclass]=$('.'+config.headerclass) //remember header group for this accordion
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ddaccordion.contentgroup[config.headerclass]=$('.'+config.contentclass) //remember content group for this accordion
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ddaccordion.$docbody=(window.opera)? (document.compatMode=="CSS1Compat"? jQuery('html') : jQuery('body')) : jQuery('html,body')
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var $headers=ddaccordion.headergroup[config.headerclass]
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var $subcontents=ddaccordion.contentgroup[config.headerclass]
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config.cssclass={collapse: config.toggleclass[0], expand: config.toggleclass[1]} //store expand and contract CSS classes as object properties
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config.revealtype=config.revealtype || "click"
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config.revealtype=config.revealtype.replace(/mouseover/i, "mouseenter")
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if (config.revealtype=="clickgo"){
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config.postreveal="gotourl" //remember added action
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config.revealtype="click" //overwrite revealtype to "click" keyword
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}
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if (typeof config.togglehtml=="undefined")
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config.htmlsetting={location: "none"}
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else
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config.htmlsetting={location: config.togglehtml[0], collapse: config.togglehtml[1], expand: config.togglehtml[2]} //store HTML settings as object properties
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config.oninit=(typeof config.oninit=="undefined")? function(){} : config.oninit //attach custom "oninit" event handler
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config.onopenclose=(typeof config.onopenclose=="undefined")? function(){} : config.onopenclose //attach custom "onopenclose" event handler
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var lastexpanded={} //object to hold reference to last expanded header and content (jquery objects)
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var expandedindices=ddaccordion.urlparamselect(config.headerclass) || ((config.persiststate && persistedheaders!=null)? persistedheaders : config.defaultexpanded)
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if (typeof expandedindices=='string') //test for string value (exception is config.defaultexpanded, which is an array)
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expandedindices=expandedindices.replace(/c/ig, '').split(',') //transform string value to an array (ie: "c1,c2,c3" becomes [1,2,3]
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if (expandedindices.length==1 && expandedindices[0]=="-1") //check for expandedindices value of [-1], indicating persistence is on and no content expanded
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expandedindices=[]
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if (config["collapseprev"] && expandedindices.length>1) //only allow one content open?
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expandedindices=[expandedindices.pop()] //return last array element as an array (for sake of jQuery.inArray())
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if (config["onemustopen"] && expandedindices.length==0) //if at least one content should be open at all times and none are, open 1st header
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expandedindices=[0]
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$headers.each(function(index){ //loop through all headers
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var $header=$(this)
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if (/(prefix)|(suffix)/i.test(config.htmlsetting.location) && $header.html()!=""){ //add a SPAN element to header depending on user setting and if header is a container tag
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$('<span class="accordprefix"></span>').prependTo(this)
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$('<span class="accordsuffix"></span>').appendTo(this)
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}
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$header.attr('headerindex', index+'h') //store position of this header relative to its peers
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$subcontents.eq(index).attr('contentindex', index+'c') //store position of this content relative to its peers
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var $subcontent=$subcontents.eq(index)
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var $hiddenajaxlink=$subcontent.find('a.hiddenajaxlink:eq(0)') //see if this content should be loaded via ajax
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if ($hiddenajaxlink.length==1){
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$header.data('ajaxinfo', {url:$hiddenajaxlink.attr('href'), cacheddata:null, status:'none'}) //store info about this ajax content inside header
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}
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var needle=(typeof expandedindices[0]=="number")? index : index+'' //check for data type within expandedindices array- index should match that type
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if (jQuery.inArray(needle, expandedindices)!=-1){ //check for headers that should be expanded automatically (convert index to string first)
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ddaccordion.expandit($header, $subcontent, config, false, false, !config.animatedefault) //3rd last param sets 'isuseractivated' parameter, 2nd last sets isdirectclick, last sets skipanimation param
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lastexpanded={$header:$header, $content:$subcontent}
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} //end check
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else{
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$subcontent.hide()
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config.onopenclose($header.get(0), parseInt($header.attr('headerindex')), $subcontent.css('display'), false) //Last Boolean value sets 'isuseractivated' parameter
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ddaccordion.transformHeader($header, config, "collapse")
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}
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})
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//if (config["scrolltoheader"] && lastexpanded.$header)
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//ddaccordion.scrollToHeader(lastexpanded.$header)
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$headers.bind("evt_accordion", function(e, isdirectclick, scrolltoheader){ //assign CUSTOM event handler that expands/ contacts a header
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var $subcontent=$subcontents.eq(parseInt($(this).attr('headerindex'))) //get subcontent that should be expanded/collapsed
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if ($subcontent.css('display')=="none"){
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ddaccordion.expandit($(this), $subcontent, config, true, isdirectclick, false, scrolltoheader) //2nd last param sets 'isuseractivated' parameter
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if (config["collapseprev"] && lastexpanded.$header && $(this).get(0)!=lastexpanded.$header.get(0)){ //collapse previous content?
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ddaccordion.collapseit(lastexpanded.$header, lastexpanded.$content, config, true) //Last Boolean value sets 'isuseractivated' parameter
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}
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lastexpanded={$header:$(this), $content:$subcontent}
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}
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else if (!config["onemustopen"] || config["onemustopen"] && lastexpanded.$header && $(this).get(0)!=lastexpanded.$header.get(0)){
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ddaccordion.collapseit($(this), $subcontent, config, true) //Last Boolean value sets 'isuseractivated' parameter
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}
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})
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$headers.bind(config.revealtype, function(){
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if (config.revealtype=="mouseenter"){
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clearTimeout(config.revealdelay)
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var headerindex=parseInt($(this).attr("headerindex"))
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config.revealdelay=setTimeout(function(){ddaccordion.expandone(config["headerclass"], headerindex, config.scrolltoheader)}, config.mouseoverdelay || 0)
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}
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else{
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$(this).trigger("evt_accordion", [true, config.scrolltoheader]) //last parameter indicates this is a direct click on the header
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return false //cancel default click behavior
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}
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})
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$headers.bind("mouseleave", function(){
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clearTimeout(config.revealdelay)
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})
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config.oninit($headers.get(), expandedindices)
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$(window).bind('unload', function(){ //clean up and persist on page unload
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$headers.unbind()
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var expandedindices=[]
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$subcontents.filter(':visible').each(function(index){ //get indices of expanded headers
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expandedindices.push($(this).attr('contentindex'))
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})
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if (config.persiststate==true && $headers.length>0){ //persist state?
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expandedindices=(expandedindices.length==0)? '-1c' : expandedindices //No contents expanded, indicate that with dummy '-1c' value?
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ddaccordion.setCookie(config.headerclass, expandedindices)
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}
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})
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})
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}
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}
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//preload any images defined inside ajaxloadingmsg variable
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ddaccordion.preloadimages(jQuery(ddaccordion.ajaxloadingmsg).filter('img'))
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