var Spry;
if(!Spry)Spry={};
if(!Spry.Widget)Spry.Widget={};
Spry.Widget.CollapsiblePanel=function(element,opts)
{
this.init(element);
Spry.Widget.CollapsiblePanel.setOptions(this,opts);
this.attachBehaviors();
};
Spry.Widget.CollapsiblePanel.prototype.init=function(element)
{
this.element=this.getElement(element);
this.focusElement=null;
this.hoverClass="CollapsiblePanelTabHover";
this.openClass="CollapsiblePanelOpen";
this.closedClass="CollapsiblePanelClosed";
this.focusedClass="CollapsiblePanelFocused";
this.enableAnimation=true;
this.enableKeyboardNavigation=true;
this.animator=null;
this.hasFocus=false;
this.contentIsOpen=true;
};
Spry.Widget.CollapsiblePanel.prototype.getElement=function(ele)
{
if(ele&&typeof ele=="string")
return document.getElementById(ele);
return ele;
};
Spry.Widget.CollapsiblePanel.prototype.addClassName=function(ele,className)
{
if(!ele||!className||(ele.className&&ele.className.search(new RegExp("\\b"+className+"\\b"))!=-1))
return;
ele.className+=(ele.className?" ":"")+className;
};
Spry.Widget.CollapsiblePanel.prototype.removeClassName=function(ele,className)
{
if(!ele||!className||(ele.className&&ele.className.search(new RegExp("\\b"+className+"\\b"))==-1))
return;
ele.className=ele.className.replace(new RegExp("\\s*\\b"+className+"\\b","g"),"");
};
Spry.Widget.CollapsiblePanel.prototype.hasClassName=function(ele,className)
{
if(!ele||!className||!ele.className||ele.className.search(new RegExp("\\b"+className+"\\b"))==-1)
return false;
return true;
};
Spry.Widget.CollapsiblePanel.prototype.setDisplay=function(ele,display)
{
if(ele)
ele.style.display=display;
};
Spry.Widget.CollapsiblePanel.setOptions=function(obj,optionsObj,ignoreUndefinedProps)
{
if(!optionsObj)
return;
for(var optionName in optionsObj)
{
if(ignoreUndefinedProps&&optionsObj[optionName]==undefined)
continue;
obj[optionName]=optionsObj[optionName];
}
};
Spry.Widget.CollapsiblePanel.prototype.onTabMouseOver=function()
{
this.addClassName(this.getTab(),this.hoverClass);
};
Spry.Widget.CollapsiblePanel.prototype.onTabMouseOut=function()
{
this.removeClassName(this.getTab(),this.hoverClass);
};
Spry.Widget.CollapsiblePanel.prototype.open=function()
{
this.contentIsOpen=true;
if(this.enableAnimation)
{
if(this.animator)
this.animator.stop();
this.animator=new Spry.Widget.CollapsiblePanel.PanelAnimator(this,true);
this.animator.start();
}
else
this.setDisplay(this.getContent(),"block");
this.removeClassName(this.element,this.closedClass);
this.addClassName(this.element,this.openClass);
};
Spry.Widget.CollapsiblePanel.prototype.close=function()
{
this.contentIsOpen=false;
if(this.enableAnimation)
{
if(this.animator)
this.animator.stop();
this.animator=new Spry.Widget.CollapsiblePanel.PanelAnimator(this,false);
this.animator.start();
}
else
this.setDisplay(this.getContent(),"none");
this.removeClassName(this.element,this.openClass);
this.addClassName(this.element,this.closedClass);
};
Spry.Widget.CollapsiblePanel.prototype.onTabClick=function()
{
if(this.isOpen())
this.close();
else
this.open();
this.focus();
};
Spry.Widget.CollapsiblePanel.prototype.onFocus=function(e)
{
this.hasFocus=true;
this.addClassName(this.element,this.focusedClass);
};
Spry.Widget.CollapsiblePanel.prototype.onBlur=function(e)
{
this.hasFocus=false;
this.removeClassName(this.element,this.focusedClass);
};
Spry.Widget.CollapsiblePanel.ENTER_KEY=13;
Spry.Widget.CollapsiblePanel.SPACE_KEY=32;
Spry.Widget.CollapsiblePanel.prototype.onKeyDown=function(e)
{
var key=e.keyCode;
if(!this.hasFocus||(key!=Spry.Widget.CollapsiblePanel.ENTER_KEY&&key!=Spry.Widget.CollapsiblePanel.SPACE_KEY))
return true;
if(this.isOpen())
this.close();
else
this.open();
if(e.stopPropagation)
e.stopPropagation();
if(e.preventDefault)
e.preventDefault();
return false;
};
Spry.Widget.CollapsiblePanel.prototype.attachPanelHandlers=function()
{
var tab=this.getTab();
if(!tab)
return;
var self=this;
Spry.Widget.CollapsiblePanel.addEventListener(tab,"click",function(e){return self.onTabClick();},false);
Spry.Widget.CollapsiblePanel.addEventListener(tab,"mouseover",function(e){return self.onTabMouseOver();},false);
Spry.Widget.CollapsiblePanel.addEventListener(tab,"mouseout",function(e){return self.onTabMouseOut();},false);
if(this.enableKeyboardNavigation)
{
var tabIndexEle=null;
var tabAnchorEle=null;
this.preorderTraversal(tab,function(node){
if(node.nodeType==1)
{
var tabIndexAttr=tab.attributes.getNamedItem("tabindex");
if(tabIndexAttr)
{
tabIndexEle=node;
return true;
}
if(!tabAnchorEle&&node.nodeName.toLowerCase()=="a")
tabAnchorEle=node;
}
return false;
});
if(tabIndexEle)
this.focusElement=tabIndexEle;
else if(tabAnchorEle)
this.focusElement=tabAnchorEle;
if(this.focusElement)
{
Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement,"focus",function(e){return self.onFocus(e);},false);
Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement,"blur",function(e){return self.onBlur(e);},false);
Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement,"keydown",function(e){return self.onKeyDown(e);},false);
}
}
};
Spry.Widget.CollapsiblePanel.addEventListener=function(element,eventType,handler,capture)
{
try
{
if(element.addEventListener)
element.addEventListener(eventType,handler,capture);
else if(element.attachEvent)
element.attachEvent("on"+eventType,handler);
}
catch(e){}
};
Spry.Widget.CollapsiblePanel.prototype.preorderTraversal=function(root,func)
{
var stopTraversal=false;
if(root)
{
stopTraversal=func(root);
if(root.hasChildNodes())
{
var child=root.firstChild;
while(!stopTraversal&&child)
{
stopTraversal=this.preorderTraversal(child,func);
try{child=child.nextSibling;}catch(e){child=null;}
}
}
}
return stopTraversal;
};
Spry.Widget.CollapsiblePanel.prototype.attachBehaviors=function()
{
var panel=this.element;
var tab=this.getTab();
var content=this.getContent();
if(this.contentIsOpen||this.hasClassName(panel,this.openClass))
{
this.removeClassName(panel,this.closedClass);
this.setDisplay(content,"block");
this.contentIsOpen=true;
}
else
{
this.removeClassName(panel,this.openClass);
this.addClassName(panel,this.closedClass);
this.setDisplay(content,"none");
this.contentIsOpen=false;
}
this.attachPanelHandlers();
};
Spry.Widget.CollapsiblePanel.prototype.getTab=function()
{
return this.getElementChildren(this.element)[0];
};
Spry.Widget.CollapsiblePanel.prototype.getContent=function()
{
return this.getElementChildren(this.element)[1];
};
Spry.Widget.CollapsiblePanel.prototype.isOpen=function()
{
return this.contentIsOpen;
};
Spry.Widget.CollapsiblePanel.prototype.getElementChildren=function(element)
{
var children=[];
var child=element.firstChild;
while(child)
{
if(child.nodeType==1)
children.push(child);
child=child.nextSibling;
}
return children;
};
Spry.Widget.CollapsiblePanel.prototype.focus=function()
{
if(this.focusElement&&this.focusElement.focus)
this.focusElement.focus();
};
Spry.Widget.CollapsiblePanel.PanelAnimator=function(panel,doOpen,opts)
{
this.timer=null;
this.interval=0;
this.stepCount=0;
this.fps=0;
this.steps=10;
this.duration=100;
this.onComplete=null;
this.panel=panel;
this.content=panel.getContent();
this.panelData=[];
this.doOpen=doOpen;
Spry.Widget.CollapsiblePanel.setOptions(this,opts);
if(this.fps>0)
{
this.interval=Math.floor(1000/this.fps);
this.steps=parseInt((this.duration+(this.interval-1))/this.interval);
}
else if(this.steps>0)
this.interval=this.duration/this.steps;
var c=this.content;
var curHeight=c.offsetHeight?c.offsetHeight:0;
if(doOpen&&c.style.display=="none")
this.fromHeight=0;
else
this.fromHeight=curHeight;
if(!doOpen)
this.toHeight=0;
else
{
if(c.style.display=="none")
{
c.style.visibility="hidden";
c.style.display="block";
}
c.style.height="";
this.toHeight=c.offsetHeight;
}
this.increment=(this.toHeight-this.fromHeight)/this.steps;
this.overflow=c.style.overflow;
c.style.height=this.fromHeight+"px";
c.style.visibility="visible";
c.style.overflow="hidden";
c.style.display="block";
};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.start=function()
{
var self=this;
this.timer=setTimeout(function(){self.stepAnimation();},this.interval);
};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.stop=function()
{
if(this.timer)
{
clearTimeout(this.timer);
if(this.stepCount<this.steps)
this.content.style.overflow=this.overflow;
}
this.timer=null;
};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.stepAnimation=function()
{
++this.stepCount;
this.animate();
if(this.stepCount<this.steps)
this.start();
else if(this.onComplete)
this.onComplete();
};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.animate=function()
{
if(this.stepCount>=this.steps)
{
if(!this.doOpen)
this.content.style.display="none";
this.content.style.overflow=this.overflow;
this.content.style.height=this.toHeight+"px";
}
else
{
this.fromHeight+=this.increment;
this.content.style.height=this.fromHeight+"px";
}
};