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File: acc_ddaccordion.js

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File: acc_ddaccordion.js
Role: Auxiliary data
Content type: text/plain
Description: javascript
Class: PHP Collapsible Accordion
Display HTML content in accordion page sections
Author: By
Last change:
Date: 14 years ago
Size: 12,767 bytes
 

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// JavaScript Document //** Accordion Content script: By Dynamic Drive, at http://www.dynamicdrive.com //** Created: Jan 7th, 08' //Version 1.3: April 3rd, 08': //**1) Script now no longer conflicts with other JS frameworks //**2) Adds custom oninit() and onopenclose() event handlers that fire when Accordion Content instance has initialized, plus whenever a header is opened/closed //**3) Adds support for expanding header(s) using the URL parameter (ie: http://mysite.com/accordion.htm?headerclass=0,1) //April 9th, 08': Fixed "defaultexpanded" setting not working when page first loads //Version 1.4: June 4th, 08': //**1) Added option to activate a header "mouseover" instead of the default "click" //**2) Bug persistence not working when used with jquery 1.2.6 //Version 1.5: June 20th, 08': //**1) Adds new "onemustopen:true/false" parameter, which lets you set whether at least one header should be open at all times (so never all closed). //**2) Changed cookie path to site wide for persistence feature //**3) Fixed bug so "expandedindices" parameter in oninit(headers, expandedindices) returns empty array [] instead of [-1] when no expanded headers found //**1) Version 1.5.1: June 27th, 08': Fixed "defaultexpanded" setting not working properly when used with jquery 1.2.6 //Version 1.6: Oct 3rd, 08': //**1) Adds new "mouseoverdelay" param that sets delay before headers are activated when "revealtype" param is set to "mouseover" //**2) Fixed bug with "onemustopen" param not working properly when "revealtype" is set to "click" //Version 1.7: March 24th, 09': Adds a 3rd revealtype setting "clickgo", which causes browser to navigate to URL specified inside the header after expanding its contents. //Version 1.7.1: May 28th, 09': Fixed issue that causes margins/paddings in accordion DIVs to be lost in IE8 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, $targetContent, config, useractivated, directclick){ this.transformHeader($targetHeader, config, "expand") $targetContent.slideDown(config.animatespeed, function(){ config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), useractivated) if (config.postreveal=="gotourl" && directclick){ //if revealtype is "Go to Header URL upon click", and this is a direct click on the header var targetLink=($targetHeader.is("a"))? $targetHeader.get(0) : $targetHeader.find('a:eq(0)').get(0) if (targetLink) //if this header is a link setTimeout(function(){location=targetLink.href}, 200) //ignore link target, as window.open(targetLink, targetLink.target) doesn't work in FF if popup blocker enabled } }) }, collapseit:function($targetHeader, $targetContent, config, isuseractivated){ this.transformHeader($targetHeader, config, "collapse") $targetContent.slideUp(config.animatespeed, function(){config.onopenclose($targetHeader.get(0), parseInt($targetHeader.attr('headerindex')), $targetContent.css('display'), isuseractivated)}) }, transformHeader:function($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=config.revealtype || "click" config.revealtype=config.revealtype.replace(/mouseover/i, "mouseenter") if (config.revealtype=="clickgo"){ config.postreveal="gotourl" //remember added action config.revealtype="click" //overwrite revealtype to "click" keyword } if (typeof config.togglehtml=="undefined") config.htmlsetting={location: "none"} else 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), $subcontent, config, false) //Last param sets 'isuseractivated' parameter lastexpanded={$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(e, isdirectclick){ //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), $subcontent, config, true, isdirectclick) //2nd last param sets 'isuseractivated' parameter if (config["collapseprev"] && lastexpanded.$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 if (!config["onemustopen"] || config["onemustopen"] && lastexpanded.$header && $(this).get(0)!=lastexpanded.$header.get(0)){ ddaccordion.collapseit($(this), $subcontent, config, true) //Last Boolean value sets 'isuseractivated' parameter } }) $('.'+config["headerclass"]).bind(config.revealtype, function(){ if (config.revealtype=="mouseenter"){ clearTimeout(config.revealdelay) var headerindex=parseInt($(this).attr("headerindex")) config.revealdelay=setTimeout(function(){ddaccordion.expandone(config["headerclass"], headerindex)}, config.mouseoverdelay || 0) } else{ $(this).trigger("evt_accordion", [true]) return false //cancel default click behavior } }) $('.'+config["headerclass"]).bind("mouseleave", function(){ clearTimeout(config.revealdelay) }) config.oninit($('.'+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 && $('.'+config["headerclass"]).length>0){ //persist state? expandedindices=(expandedindices.length==0)? '-1c' : expandedindices //No contents expanded, indicate that with dummy '-1c' value? ddaccordion.setCookie(config.headerclass, expandedindices) } }) }) } }s