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(); this.close();}; 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.reducedClass = "CollapsiblePanelReduced"; this.focusedClass = "CollapsiblePanelFocused"; this.enableAnimation = false; 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); this.addClassName(this.element, this.reducedClass);}; Spry.Widget.CollapsiblePanel.prototype.reduceSize = function()
{ this.removeClassName(this.element, this.closedClass); this.removeClassName(this.element, this.openClass); this.addClassName(this.element, this.reducedClass);}; Spry.Widget.CollapsiblePanel.prototype.increaseSize = function()
{ this.removeClassName(this.element, this.reducedClass); this.removeClassName(this.element, this.openClass); this.addClassName(this.element, this.closedClass);}; 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.removeClassName(this.element, this.reducedClass); this.addClassName(this.element, this.closedClass);}; Spry.Widget.CollapsiblePanel.prototype.onTabClick = function()
{ if (this.isOpen()){ this.close(); var allClosed = true; for(var i=1;i<=3;i++){ var panel = eval('CollapsiblePanel'+i); if(panel.contentIsOpen) { allClosed = false; break;}
}
if(allClosed){ for(var i=1;i<=3;i++){ var panel = eval('CollapsiblePanel'+i); panel.increaseSize();}
}
}
else{ for(var i=1;i<=3;i++){ var panel = eval('CollapsiblePanel'+i); if(panel!=this && panel.contentIsOpen) panel.close(); panel.reduceSize();}
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 = 500; 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";}
};