Föra samman två javascript
Tja! Igår gjorde jag en tråd om divar som expanderar/kollapsar om man trycker en på en länk. Jag hittade ett mycket bra script för detta ändamål. Dess enda svaghet är att om man först öppnar en div och sedan öppnar en till stängs inte den första. Jag hittade då ett bit kod som gör detta, fast jag vet inte hur man klipper in denna kod korrekt och får det att fungera. Jag är ypperligt tacksam för all hjälp jag kan få.
Koden som skall klippas in:
visibleDiv = "";
function showHide(elementid){
if (document.getElementById(elementid).style.display == 'none'){
document.getElementById(elementid).style.display = '';
if(visibleDiv != ""){
document.getElementById(visibleDiv).style.display = 'none';
}
visibleDiv = elementid;
} else {
document.getElementById(elementid).style.display = 'none';
}
}
Stommen:
var uniquepageid=window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, "") //get current page path and name, used to uniquely identify this page for persistence feature
function animatedcollapse(divId, animatetime, persistexpand, initstate){
this.divId=divId
this.divObj=document.getElementById(divId)
this.divObj.style.overflow="hidden"
this.timelength=animatetime
this.initstate=(typeof initstate!="undefined" && initstate=="block")? "block" : "contract"
this.isExpanded=animatedcollapse.getCookie(uniquepageid+"-"+divId) //"yes" or "no", based on cookie value
this.contentheight=parseInt(this.divObj.style.height)
var thisobj=this
if (isNaN(this.contentheight)){ //if no CSS "height" attribute explicitly defined, get DIV's height on window.load
animatedcollapse.dotask(window, function(){thisobj._getheight(persistexpand)}, "load")
if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
this.divObj.style.visibility="hidden" //hide content (versus collapse) until we can get its height
}
else if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
this.divObj.style.height=0 //just collapse content if CSS "height" attribute available
if (persistexpand)
animatedcollapse.dotask(window, function(){animatedcollapse.setCookie(uniquepageid+"-"+thisobj.divId, thisobj.isExpanded)}, "unload")
}
animatedcollapse.prototype._getheight=function(persistexpand){
this.contentheight=this.divObj.offsetHeight
if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes"){ //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
this.divObj.style.height=0 //collapse content
this.divObj.style.visibility="visible"
}
else //else if persistence is enabled AND this content should be expanded, define its CSS height value so slideup() has something to work with
this.divObj.style.height=this.contentheight+"px"
}
animatedcollapse.prototype._slideengine=function(direction){
var elapsed=new Date().getTime()-this.startTime //get time animation has run
var thisobj=this
if (elapsed<this.timelength){ //if time run is less than specified length
var distancepercent=(direction=="down")? animatedcollapse.curveincrement(elapsed/this.timelength) : 1-animatedcollapse.curveincrement(elapsed/this.timelength)
this.divObj.style.height=distancepercent * this.contentheight +"px"
this.runtimer=setTimeout(function(){thisobj._slideengine(direction)}, 10)
}
else{ //if animation finished
this.divObj.style.height=(direction=="down")? this.contentheight+"px" : 0
this.isExpanded=(direction=="down")? "yes" : "no" //remember whether content is expanded or not
this.runtimer=null
}
}
animatedcollapse.prototype.slidedown=function(){
if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
alert("Please wait until document has fully loaded then click again")
else if (parseInt(this.divObj.style.height)==0){ //if content is collapsed
this.startTime=new Date().getTime() //Set animation start time
this._slideengine("down")
}
}
}
animatedcollapse.prototype.slideup=function(){
if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
alert("Please wait until document has fully loaded then click again")
else if (parseInt(this.divObj.style.height)==this.contentheight){ //if content is expanded
this.startTime=new Date().getTime()
this._slideengine("up")
}
}
}
animatedcollapse.prototype.slideit=function(){
if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
alert("Please wait until document has fully loaded then click again")
else if (parseInt(this.divObj.style.height)==0)
this.slidedown()
else if (parseInt(this.divObj.style.height)==this.contentheight)
this.slideup()
}
// -------------------------------------------------------------------
// A few utility functions below:
// -------------------------------------------------------------------
animatedcollapse.curveincrement=function(percent){
return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
}
animatedcollapse.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent(tasktype, functionref)
}
animatedcollapse.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 ""
}
animatedcollapse.setCookie=function(name, value, days){
if (typeof days!="undefined"){ //if set persistent cookie
var expireDate = new Date()
var expstring=expireDate.setDate(expireDate.getDate()+days)
document.cookie = name+"="+value+"; expires="+expireDate.toGMTString()
}
else //else if this is a session only cookie
document.cookie = name+"="+value
}