Horizontal Accordion script: Dynamically centered, dynamic peek width

**Dex** · 12-17-2010, 11:26 AM

1) Script Title: Horizontal Accordion script

2) Script URL (on DD):
http://www.dynamicdrive.com/dynamici...haccordion.htm

3) Describe problem:
How much script modification would be needed to have the horizontal accordion completely dynamic (e.g. dynamic "peek" widths, dynamic "full" widths and dynamically centered)? I understand that a fully dynamic horizontal accordion wouldn't be a trivial task especially since I'm new to javascript. I've been playing with the horizontal accordion script trying to make a menu system similar to this (uses flash): http://www.park-mcdonald.com/

Any tips or pointers on where I should concentrate my efforts? I'd be OK with temporarily hard coding widths until I'm comfortable with the javascript.

Great learning site by the way. Thanks in advance!

**vwphillips** · 12-17-2010, 07:23 PM

Code:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
  <title></title>
<style type="text/css">
/*<![CDATA[*/
#tst {
  position:relative;left:200px;top:0px;width:220px;height:170px;border:solid black 1px;
}

.nav {
  position:relative;left:200px;width:100px;
}


/*]]>*/
</style>
<script  type="text/javascript">
/*<![CDATA[*/

var img=new Image();
img.src='http://www.vicsjavascripts.org.uk/StdImages/Cartoon1.gif';

/*]]>*/
</script>
<script type="text/javascript">
// Animate (11-January-2010)
// by Vic Phillips http://www.vicsjavascripts.org.uk

// To progressively change the Left, Top, Width, Height or Opacity of an element over a specified period of time.
// With the ability to scale the effect time on specified minimum/maximum values
// and with three types of progression 'sin' and 'cos' and liner.

// **** Application Notes

// **** The HTML Code
//
// when moving an element the inline or class rule style position of the element should be assigned as
// 'position:relative;' or 'position:absolute;'
//
// The element would normally be assigned a unique ID name.
//

// **** Initialising the Script.
//
// The script is initialised by assigning an instance of the script to a variable.
// e.g A = new zxcAnimate('left','id1')
// where:
//  A           = a global variable                                                               (variable)
//  parameter 0 = the mode(see Note 1).                                                           (string)
//  parameter 1 = the unique ID name or element object.                                           (string or element object)
//  parameter 1 = the initial value.                                                              (digits, default = 0)

// **** Executing the Effect
//
// The effect is executed by an event call to function 'A.animate(10,800 ,5000,[10,800]);'
// where:
//  A           = the global referencing the script instance.                                 (variable)
//  parameter 0 = the start value.                                                            (digits, for opacity minimum 0, maximum 100)
//  parameter 1 = the finish value.                                                           (digits, for opacity minimum 0, maximum 100)
//  parameter 2 =  period of time between the start and finish of the effect in milliseconds. (digits or defaults to previous or 0(on first call) milliSeconds)
//  parameter 3 = (optional) to scale the effect time on a specified minimum/maximum.         (array, see Note 3)
//                 field 0 the minimum value. (digits)
//                 field 1 the maximum value. (digits)
//  parameter 3 = (optional) the type of progression, 'sin', 'cos' or 'liner'.                (string, default = 'liner')
//                 'sin' progression starts fast and ends slow.
//                 'cos' progression starts slow and ends fast.
//
//  Note 1:  Examples modes: 'left', 'top', 'width', 'height', 'opacity.
//  Note 2:  The default units(excepting opacity) are 'px'.
//           For hyphenated modes, the first character after the hyphen must be upper case, all others lower case.
//  Note 3:  The scale is of particular use when re-calling the effect
//           in mid progression to retain an constant rate of progression.
//  Note 4:  The current effect value is recorded in A.data[0].
//  Note 5:  A function may be called on completion of the effect by assigning the function
//           to the animator intance property .Complete.
//           e.g. [instance].Complete=function(){ alert(this.data[0]); };
//



// **** Functional Code(1.52K) - NO NEED to Change

function zxcAnimate(mde,obj,srt){
 this.to=null;
 this.obj=typeof(obj)=='object'?obj:document.getElementById(obj);
 this.mde=mde.replace(/\W/g,'');
 this.data=[srt||0];
 return this;
}

zxcAnimate.prototype={

 animate:function(srt,fin,ms,scale,c){
  clearTimeout(this.to);
  this.time=ms||this.time||0;
  this.neg=srt<0||fin<0;
  this.data=[srt,srt,fin];
  this.mS=this.time*(!scale?1:Math.abs((fin-srt)/(scale[1]-scale[0])));
  this.c=typeof(c)=='string'?c.charAt(0).toLowerCase():this.c?this.c:'';
  this.inc=Math.PI/(2*this.mS);
  this.srttime=new Date().getTime();
  this.cng();
 },

 cng:function(){
  var oop=this,ms=new Date().getTime()-this.srttime;
  this.data[0]=Math.floor(this.c=='s'?(this.data[2]-this.data[1])*Math.sin(this.inc*ms)+this.data[1]:this.c=='c'?this.data[2]-(this.data[2]-this.data[1])*Math.cos(this.inc*ms):(this.data[2]-this.data[1])/this.mS*ms+this.data[1]);
  this.apply();
  if (ms<this.mS) this.to=setTimeout(function(){oop.cng()},10);
  else {
   this.data[0]=this.data[2];
   this.apply();
   if (this.Complete) this.Complete(this);
  }
 },

 apply:function(){
  if (isFinite(this.data[0])){
   if (this.data[0]<0&&!this.neg) this.data[0]=0;
   if (this.mde!='opacity') this.obj.style[this.mde]=this.data[0]+'px';
   else zxcOpacity(this.obj,this.data[0]);
  }
 }

}

function zxcOpacity(obj,opc){
 if (opc<0||opc>100) return;
 obj.style.filter='alpha(opacity='+opc+')';
 obj.style.opacity=obj.style.MozOpacity=obj.style.WebkitOpacity=obj.style.KhtmlOpacity=opc/100-.001;
}


</script>


</head>

<body>
<div id="tst" >
 <div class="set" >
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon1.gif" alt="Cartoon" />
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt5.jpg" alt="Egypt" />
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon3.gif" alt="Cartoon" />
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon4.gif" alt="Cartoon" />
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon5.gif" alt="Cartoon" />
 </div>
 <div class="set" >
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt6.jpg" alt="Egypt" />
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon2.gif" alt="Cartoon" />
  <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt7.jpg" alt="Egypt" />
 </div>
</div>

<div id="nav" >
<img id="b1" src="http://www.vicsjavascripts.org.uk/StdImages/Left1.gif" />
<a id="d1" >fffff</a>
<img id="f1" src="http://www.vicsjavascripts.org.uk/StdImages/Right1.gif" />
<div class="swap" >set 1</div>
<div class="swap" >set 2</div>
</div>

<script type="text/javascript">
/*<![CDATA[*/

function Gallery(o){
 var obj=document.getElementById(o.ID),panels=this.bycls(o.PanelClassName,obj),swaps,imgs,z0,z0a,z1;
 obj.style.overflow='hidden';
 this.w=obj.offsetWidth;
 this.h=obj.offsetHeight;
 this.sets=[];
 this.cnts=[];
 for (z0=0;z0<panels.length;z0++){
  panels[z0].style.position='absolute';
  panels[z0].style.top='0px';
  panels[z0].style.left='0px';
  panels[z0].style.width=this.w+'px';
  panels[z0].style.height=this.h+'px';
  this.sets[z0]=[];
  this.cnts[z0]=0;
  imgs=panels[z0].getElementsByTagName('IMG')
  for (z0a=0;z0a<imgs.length;z0a++){
   imgs[z0a].style.position='absolute';
   this.sets[z0][z0a]=new zxcAnimate('opacity',imgs[z0a],z0a>0?0:100);
   this.sets[z0][z0a].Complete=function(){
    if (this.data[0]==0){
     this.obj.style.visibility='hidden';
    }
   }
  }
  this.reset(z0);
  panels[z0].style.visibility=z0>0?'hidden':'visible';
 }
 this.panels=panels;
 obj=document.getElementById(o.ForwardID);
 if (obj){
  this.addevt(obj,'mouseup','Animate',1);
 }
 obj=document.getElementById(o.BackID);
 if (obj){
  this.addevt(obj,'mouseup','Animate',-1);
 }
 this.paginate=document.getElementById(o.PaginateID);
 obj=document.getElementById(o.SwapID);
 if (obj){
  swaps=this.bycls(o.SwapClassName,obj)
  for (z1=0;z1<swaps.length;z1++){
   this.addevt(swaps[z1],'mouseup','Swap',z1);
  }
 }
 this.to=null;
 this.set=0;
 this.ms=o.AnimateSpeed||1000;
 this.Animate(0);
}

Gallery.prototype={

 Animate:function(ud){
  var cnt=this.cnts[this.set],oop=this.sets[this.set][cnt],lgth=this.sets[this.set].length-1;
  oop.animate(oop.data[0],0,this.ms);
  cnt+=ud;
  cnt=cnt<0?lgth:cnt>lgth?0:cnt;
  oop=this.sets[this.set][cnt];
  oop.obj.style.left=(this.w-oop.obj.offsetWidth)/2+'px';
  oop.obj.style.top=(this.h-oop.obj.offsetHeight)/2+'px';
  oop.obj.style.visibility='visible';
  oop.animate(oop.data[0],100,this.ms);
  this.cnts[this.set]=cnt;
  if (this.paginate){
   this.paginate.innerHTML=(cnt+1)+' of '+(lgth+1);
  }
 },

 Swap:function(nu){
  clearTimeout(this.to);
  this.reset(this.set);
  this.panels[this.set].style.visibility='hidden';
  this.set=nu;
  this.panels[this.set].style.visibility='visible';
  this.reset(this.set);
  this.Animate(0);
 },

 reset:function(nu){
  this.cnts[nu]=0;
  var z0,ary=this.sets[nu]
  for (z0=0;z0<ary.length;z0++){
   ary[z0].obj.style.visibility='hidden';
   ary[z0].data[0]=z0>0?0:100;
   zxcOpacity(ary[z0].obj,z0>0?0:100);
  }
 },

 addevt:function(o,t,f,p){
  var oop=this;
  if (o.addEventListener) o.addEventListener(t,function(e){ return oop[f](p,e);}, false);
  else o.attachEvent('on'+t,function(e){ return oop[f](p,e); });
 },

 bycls:function (nme,el){
  for (var reg=new RegExp('\\b'+nme+'\\b'),els=el.getElementsByTagName('*'),ary=[],z0=0; z0<els.length;z0++){
   if(reg.test(els[z0].className)){
    ary.push(els[z0]);
   }
  }
  return ary;
 }


}

new Gallery({
 ID:'tst',
 PanelClassName:'set',
 ForwardID:'f1',
 BackID:'b1',
 PaginateID:'d1',
 AnimateSpeed:1000,
 SwapID:'nav',
 SwapClassName:'swap'
});
/*]]>*/
</script>
</body>

</html>

**Dex** · 12-18-2010, 02:34 AM

I should probably clarify, I'm trying to replicate the animated/sliding horizontal accordion menu at the bottom of http://www.park-mcdonald.com/ (Products, About, Contact). The gallery is helpful however. Thanks

**vwphillips** · 12-18-2010, 01:55 PM

Code:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

<head>
  <title></title>
<style type="text/css">
/*<![CDATA[*/
#panels {
  position:relative;left:200px;top:0px;width:320px;height:220px;
}

.panel {
  position:relative;left:200px;top:0px;width:320px;height:220px;background-Color:#FFFFCC;
}

#tst {
  position:absolute;left:50px;top:10px;width:220px;height:170px;
}

.nav {
  position:relative;left:200px;width:100px;
}

.control {
  position:absolute;left:120px;top:190px;width:100px;
}

.frames {
  position:relative;left:100px;top:0px;width:520px;height:100px;

}

#frames {
  position:relative;left:100px;top:0px;width:520px;height:100px;

}
.float {
  float:left;
}

.projects {
  width:100px;float:left;text-Align:center;
}

#nav {
  width:80px;height:60px;float:left;

}

#nav UL{
 position:relative;left:-20px;width:50px;height:100px;
}

/*]]>*/
</style>
<script  type="text/javascript">
/*<![CDATA[*/

var img=new Image();
img.src='http://www.vicsjavascripts.org.uk/StdImages/Cartoon1.gif';

/*]]>*/
</script>
<script language="JavaScript" src="http://www.vicsjavascripts.org.uk/Animate/Animate.js" type="text/javascript"></script>

</head>

<body>

<div id="panels" >

 <div class="panel" >
  <div id="tst" >
   <div class="set" >
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon1.gif" alt="Cartoon" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt5.jpg" alt="Egypt" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon3.gif" alt="Cartoon" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon4.gif" alt="Cartoon" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon5.gif" alt="Cartoon" />
   </div>
   <div class="set" >
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt6.jpg" alt="Egypt" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Cartoon2.gif" alt="Cartoon" />
    <img src="http://www.vicsjavascripts.org.uk/StdImages/Egypt7.jpg" alt="Egypt" />
   </div>
  </div>
  <div class="control" >
   <img id="b1" src="http://www.vicsjavascripts.org.uk/StdImages/Left1.gif" />
   <a id="d1" >fffff</a>
   <img id="f1" src="http://www.vicsjavascripts.org.uk/StdImages/Right1.gif" />
  </div>
 </div>

 <div class="panel" style="width:400px;" >
 Panel 2
 </div>

 <div class="panel" >
 Panel 3
 </div>

</div>

<div class="frames" >

 <div id="frames" >

  <div class="float" >
   <div class="projects" >
    Projects
   </div>
   <div id="nav" class="toggle" >
<table style="width:80px;" >
  <tr>
    <td class="swap">Set 1</td>
  </tr>
  <tr>
    <td class="swap">Set 2</td>
  </tr>
</table>
   </div>
  </div>

  <div class="float" >
   <div class="projects" >
    About
   </div>
  </div>

  <div class="float" >
   <div class="projects" >
   Contact
   </div>
  </div>

 </div>

</div>

</div>
<script type="text/javascript">
/*<![CDATA[*/

function Gallery(o){
 var obj=document.getElementById(o.ID),panels=this.bycls(o.PanelClassName,obj),swaps,imgs,z0,z0a,z1;
 obj.style.overflow='hidden';
 this.w=obj.offsetWidth;
 this.h=obj.offsetHeight;
 this.sets=[];
 this.cnts=[];
 for (z0=0;z0<panels.length;z0++){
  panels[z0].style.position='absolute';
  panels[z0].style.top='0px';
  panels[z0].style.left='0px';
  panels[z0].style.width=this.w+'px';
  panels[z0].style.height=this.h+'px';
  this.sets[z0]=[];
  this.cnts[z0]=0;
  imgs=panels[z0].getElementsByTagName('IMG')
  for (z0a=0;z0a<imgs.length;z0a++){
   imgs[z0a].style.position='absolute';
   this.sets[z0][z0a]=new zxcAnimate('opacity',imgs[z0a],z0a>0?0:100);
   this.sets[z0][z0a].Complete=function(){
    if (this.data[0]==0){
     this.obj.style.visibility='hidden';
    }
   }
  }
  this.reset(z0);
  panels[z0].style.visibility=z0>0?'hidden':'visible';
 }
 this.panels=panels;
 obj=document.getElementById(o.ForwardID);
 if (obj){
  this.addevt(obj,'mouseup','Animate',1);
 }
 obj=document.getElementById(o.BackID);
 if (obj){
  this.addevt(obj,'mouseup','Animate',-1);
 }
 this.paginate=document.getElementById(o.PaginateID);
 obj=document.getElementById(o.SwapID);
 if (obj){
  swaps=this.bycls(o.SwapClassName,obj)
  for (z1=0;z1<swaps.length;z1++){
   this.addevt(swaps[z1],'mouseup','Swap',z1);
  }
 }
 this.to=null;
 this.set=0;
 this.ms=o.AnimateSpeed||1000;
 this.Animate(0);
}

Gallery.prototype={

 Animate:function(ud){
  var cnt=this.cnts[this.set],oop=this.sets[this.set][cnt],lgth=this.sets[this.set].length-1;
  oop.animate(oop.data[0],0,this.ms);
  cnt+=ud;
  cnt=cnt<0?lgth:cnt>lgth?0:cnt;
  oop=this.sets[this.set][cnt];
  oop.obj.style.left=(this.w-oop.obj.offsetWidth)/2+'px';
  oop.obj.style.top=(this.h-oop.obj.offsetHeight)/2+'px';
  oop.obj.style.visibility='visible';
  oop.animate(oop.data[0],100,this.ms);
  this.cnts[this.set]=cnt;
  if (this.paginate){
   this.paginate.innerHTML=(cnt+1)+' of '+(lgth+1);
  }
 },

 Swap:function(nu){
  clearTimeout(this.to);
  this.reset(this.set);
  this.panels[this.set].style.visibility='hidden';
  this.set=nu;
  this.panels[this.set].style.visibility='visible';
  this.reset(this.set);
  this.Animate(0);
 },

 reset:function(nu){
  this.cnts[nu]=0;
  var z0,ary=this.sets[nu]
  for (z0=0;z0<ary.length;z0++){
   ary[z0].obj.style.visibility='hidden';
   ary[z0].data[0]=z0>0?0:100;
   zxcOpacity(ary[z0].obj,z0>0?0:100);
  }
 },

 addevt:function(o,t,f,p){
  var oop=this;
  if (o.addEventListener) o.addEventListener(t,function(e){ return oop[f](p,e);}, false);
  else o.attachEvent('on'+t,function(e){ return oop[f](p,e); });
 },

 bycls:function (nme,el){
  for (var reg=new RegExp('\\b'+nme+'\\b'),els=el.getElementsByTagName('*'),ary=[],z0=0; z0<els.length;z0++){
   if(reg.test(els[z0].className)){
    ary.push(els[z0]);
   }
  }
  return ary;
 }


}
function Projects(o){
 var obj=document.getElementById(o.ID);
 var panels=this.bycls(o.PanelClassName,obj);
 this.w=obj.offsetWidth;
 this.h=obj.offsetHeight;
 this.panels=[];
 for (var z0=0;z0<panels.length;z0++){
  panels[z0].style.position='absolute';
  panels[z0].style.visibility=z0>0?'hidden':'visible';
  panels[z0].style.left='0px';
  panels[z0].style.top='0px';
  zxcOpacity(panels[z0],z0>0?0:100);
  this.panels[z0]=new zxcAnimate('opacity',panels[z0],z0>0?0:100);
  this.panels[z0].Complete=function(){
    if (this.data[0]==0){
     this.obj.style.visibility='hidden';
    }
   }
 }
 this.toggles=[];
 obj=document.getElementById(o.NavID);
 panels=this.bycls(o.NavClassName,obj);
 for (var eobj,w,z1=0;z1<panels.length;z1++){
  eobj=this.bycls(o.EventClassName,panels[z1])[0];
  if (eobj){
   this.addevt(eobj,'mouseup','Animate',z1);
  }
  eobj=this.bycls(o.CollapseClassName,panels[z1])[0];
  if (eobj){
   w=eobj.offsetWidth;
   this.toggles[z1]=[new zxcAnimate('width',eobj,z1>0?0:w),w];
   this.toggles[z1][0].Complete=function(){
    if (this.data[0]==0){
     this.obj.style.visibility='hidden';
    }
   }
   eobj.style.overflow='hidden';
   eobj.style.width=(z1>0?0:w)+'px';
  }
 }
 this.max=panels[z1-1].offsetLeft+panels[z1-1].offsetWidth;
 this.pw=obj.parentNode.offsetWidth;
 this.ctr=new zxcAnimate('left',obj,this.max);
 obj.style.left='0px'
 this.ms=o.AnimateSpeed||1000;
 this.nu=0;
 this.Animate(0);
}

Projects.prototype={

 Animate:function(nu){
  var oop=this.panels[this.nu];
  oop.animate(oop.data[0],0,this.ms,[0,100]);
  if (this.toggles[this.nu]){
   oop=this.toggles[this.nu];
   oop[0].animate(oop[0].data[0],0,this.ms,[0,oop[1]]);
   this.max-=oop[1];
  }
  this.ctr.animate(this.ctr.obj.offsetLeft,(this.pw-this.max)/2,this.ms);
  oop=this.panels[nu];
  oop.obj.style.left=(this.w-oop.obj.offsetWidth)/2+'px';
  oop.obj.style.top=(this.h-oop.obj.offsetHeight)/2+'px';
  oop.obj.style.visibility='visible';
  oop.animate(oop.data[0],100,this.ms,[0,100]);
  w=0;
  if (this.toggles[nu]){
   oop=this.toggles[nu];
   oop[0].obj.style.visibility='visible';
   oop[0].animate(oop[0].data[0],oop[1],this.ms,[0,oop[1]]);
   this.max+=oop[1];
  }
  this.ctr.animate(this.ctr.data[0],(this.pw-this.max)/2,this.ms);
  this.nu=nu;
 },

 addevt:function(o,t,f,p){
  var oop=this;
  if (o.addEventListener) o.addEventListener(t,function(e){ return oop[f](p,e);}, false);
  else o.attachEvent('on'+t,function(e){ return oop[f](p,e); });
 },

 bycls:function (nme,el){
  for (var reg=new RegExp('\\b'+nme+'\\b'),els=el.getElementsByTagName('*'),ary=[],z0=0; z0<els.length;z0++){
   if(reg.test(els[z0].className)){
    ary.push(els[z0]);
   }
  }
  return ary;
 }

}


new Projects({
 ID:'panels',
 PanelClassName:'panel',
 NavID:'frames',
 NavClassName:'float',
 EventClassName:'projects',
 CollapseClassName:'toggle',
 AnimateSpeed:1000
});

new Gallery({
 ID:'tst',
 PanelClassName:'set',
 ForwardID:'f1',
 BackID:'b1',
 PaginateID:'d1',
 AnimateSpeed:1000,
 SwapID:'nav',
 SwapClassName:'swap'
});
/*]]>*/
</script>
</body>

</html>