Expand|Select|Wrap|Line Numbers
- var ddaccordion={
- contentclassname:{}, //object to store corresponding contentclass name based on headerclass
- expandone:function(headerclass, selected){ //PUBLIC function to expand a particular header
- this.toggleone(headerclass, selected, "expand")
- },
- collapseone:function(headerclass, selected){ //PUBLIC function to collapse a particular header
- this.toggleone(headerclass, selected, "collapse")
- },
- expandall:function(headerclass){ //PUBLIC function to expand all headers based on their shared CSS classname
- var $=jQuery
- var $headers=$('.'+headerclass)
- $('.'+this.contentclassname[headerclass]+':hidden').each(function(){
- $headers.eq(parseInt($(this).attr('contentindex'))).trigger("evt_accordion")
- })
- },
- collapseall:function(headerclass){ //PUBLIC function to collapse all headers based on their shared CSS classname
- var $=jQuery
- var $headers=$('.'+headerclass)
- $('.'+this.contentclassname[headerclass]+':visible').each(function(){
- $headers.eq(parseInt($(this).attr('contentindex'))).trigger("evt_accordion")
- })
- },
- toggleone:function(headerclass, selected, optstate){ //PUBLIC function to expand/ collapse a particular header
- var $=jQuery
- var $targetHeader=$('.'+headerclass).eq(selected)
- var $subcontent=$('.'+this.contentclassname[headerclass]).eq(selected)
- if (typeof optstate=="undefined" || optstate=="expand" && $subcontent.is(":hidden") || optstate=="collapse" && $subcontent.is(":visible"))
- $targetHeader.trigger("evt_accordion")
- },
- expandit:function($targetHeader, $targetContent, config, useractivated){
- $targetContent.slideDown(config.animatespeed, function(){config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), useractivated)})
- this.transformHeader($targetHeader, config, "expand")
- },
- collapseit:function($targetHeader, $targetContent, config, isuseractivated){
- $targetContent.slideUp(config.animatespeed, function(){config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), isuseractivated)})
- this.transformHeader($targetHeader, config, "collapse")
- },
- transformHeader:function($targetHeader, config, state){
- $targetHeader.addClass((state=="expand")? config.cssclass.expand : config.cssclass.collapse) //alternate btw "expand" and "collapse" CSS classes
- .removeClass((state=="expand")? config.cssclass.collapse : config.cssclass.expand)
- if (config.htmlsetting.location=='src'){ //Change header image (assuming header is an image)?
- $targetHeader=($targetHeader.is("img"))? $targetHeader : $targetHeader.find('img').eq(0) //Set target to either header itself, or first image within header
- $targetHeader.attr('src', (state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse) //change header image
- }
- else if (config.htmlsetting.location=="prefix") //if change "prefix" HTML, locate dynamically added ".accordprefix" span tag and change it
- $targetHeader.find('.accordprefix').html((state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse)
- else if (config.htmlsetting.location=="suffix")
- $targetHeader.find('.accordsuffix').html((state=="expand")? config.htmlsetting.expand : config.htmlsetting.collapse)
- },
- urlparamselect:function(headerclass){
- var result=window.location.search.match(new RegExp(headerclass+"=((\\d+)(,(\\d+))*)", "i")) //check for "?headerclass=2,3,4" in URL
- if (result!=null)
- result=RegExp.$1.split(',')
- return result //returns null, [index], or [index1,index2,etc], where index are the desired selected header indices
- },
- getCookie:function(Name){
- var re=new RegExp(Name+"=[^;]+", "i") //construct RE to search for target name/value pair
- if (document.cookie.match(re)) //if cookie found
- return document.cookie.match(re)[0].split("=")[1] //return its value
- return null
- },
- setCookie:function(name, value){
- document.cookie = name + "=" + value + "; path=/"
- },
- init:function(config){
- document.write('<style type="text/css">\n')
- document.write('.'+config.contentclass+'{display: none}\n') //generate CSS to hide contents
- document.write('<\/style>')
- jQuery(document).ready(function($){
- ddaccordion.urlparamselect(config.headerclass)
- var persistedheaders=ddaccordion.getCookie(config.headerclass)
- ddaccordion.contentclassname[config.headerclass]=config.contentclass //remember contentclass name based on headerclass
- config.cssclass={collapse: config.toggleclass[0], expand: config.toggleclass[1]} //store expand and contract CSS classes as object properties
- config.revealtype=/^(click)|(mouseover)$/i.test(config.revealtype)? config.revealtype.replace(/mouseover/i, "mouseenter") : "click"
- config.htmlsetting={location: config.togglehtml[0], collapse: config.togglehtml[1], expand: config.togglehtml[2]} //store HTML settings as object properties
- config.oninit=(typeof config.oninit=="undefined")? function(){} : config.oninit //attach custom "oninit" event handler
- config.onopenclose=(typeof config.onopenclose=="undefined")? function(){} : config.onopenclose //attach custom "onopenclose" event handler
- var lastexpanded={} //object to hold reference to last expanded header and content (jquery objects)
- var expandedindices=ddaccordion.urlparamselect(config.headerclass) || ((config.persiststate && persistedheaders!=null)? persistedheaders : config.defaultexpanded)
- if (typeof expandedindices=='string') //test for string value (exception is config.defaultexpanded, which is an array)
- expandedindices=expandedindices.replace(/c/ig, '').split(',') //transform string value to an array (ie: "c1,c2,c3" becomes [1,2,3]
- var $subcontents=$('.'+config["contentclass"])
- if (expandedindices.length==1 && expandedindices[0]=="-1") //check for expandedindices value of [-1], indicating persistence is on and no content expanded
- expandedindices=[]
- if (config["collapseprev"] && expandedindices.length>1) //only allow one content open?
- expandedindices=[expandedindices.pop()] //return last array element as an array (for sake of jQuery.inArray())
- if (config["onemustopen"] && expandedindices.length==0) //if at least one content should be open at all times and none are, open 1st header
- expandedindices=[0]
- $('.'+config["headerclass"]).each(function(index){ //loop through all headers
- if (/(prefix)|(suffix)/i.test(config.htmlsetting.location) && $(this).html()!=""){ //add a SPAN element to header depending on user setting and if header is a container tag
- $('<span class="accordprefix"></span>').prependTo(this)
- $('<span class="accordsuffix"></span>').appendTo(this)
- }
- $(this).attr('headerindex', index+'h') //store position of this header relative to its peers
- $subcontents.eq(index).attr('contentindex', index+'c') //store position of this content relative to its peers
- var $subcontent=$subcontents.eq(index)
- var needle=(typeof expandedindices[0]=="number")? index : index+'' //check for data type within expandedindices array- index should match that type
- if (jQuery.inArray(needle, expandedindices)!=-1){ //check for headers that should be expanded automatically (convert index to string first)
- if (config.animatedefault==false)
- $subcontent.show()
- ddaccordion.expandit($(this), $subcontent, config, false) //Last Boolean value sets 'isuseractivated' parameter
- lastexpanded={$header:$(this), $content:$subcontent}
- } //end check
- else{
- $subcontent.hide()
- config.onopenclose($(this).get(0), parseInt($(this).attr('headerindex')), $subcontent.css('display'), false) //Last Boolean value sets 'isuseractivated' parameter
- ddaccordion.transformHeader($(this), config, "collapse")
- }
- })
- $('.'+config["headerclass"]).bind("evt_accordion", function(){ //assign custom event handler that expands/ contacts a header
- var $subcontent=$subcontents.eq(parseInt($(this).attr('headerindex'))) //get subcontent that should be expanded/collapsed
- if ($subcontent.css('display')=="none"){
- ddaccordion.expandit($(this), $subcontent, config, true) //Last Boolean value sets 'isuseractivated' parameter
- if (config["collapseprev"] && lastexpanded.$header && $(this).get(0)!=lastexpanded.$header.get(0)){ //collapse previous content?
- ddaccordion.collapseit(lastexpanded.$header, lastexpanded.$content, config, true) //Last Boolean value sets 'isuseractivated' parameter
- }
- lastexpanded={$header:$(this), $content:$subcontent}
- }
- else{
- ddaccordion.collapseit($(this), $subcontent, config, true) //Last Boolean value sets 'isuseractivated' parameter
- }
- })
- $('.'+config["headerclass"]).bind(config.revealtype, function(){
- if (config.revealtype=="mouseenter"){
- ddaccordion.expandone(config["headerclass"], parseInt($(this).attr("headerindex")))
- }
- else{
- $(this).trigger("evt_accordion")
- return false //cancel default click behavior
- }
- })
- config.oninit($('.'+config["headerclass"]).get(), expandedindices)
- $(window).bind('unload', function(){ //clean up and persist on page unload
- $('.'+config["headerclass"]).unbind()
- var expandedindices=[]
- $('.'+config["contentclass"]+":visible").each(function(index){ //get indices of expanded headers
- expandedindices.push($(this).attr('contentindex'))
- })
- if (config.persiststate==true){ //persist state?
- expandedindices=(expandedindices.length==0)? '-1c' : expandedindices //No contents expanded, indicate that with dummy '-1c' value?
- ddaccordion.setCookie(config.headerclass, expandedindices)
- }
- })
- })
- }
- }