Sorry, I forgot to mention I'm a total NOOB to javascript. I guess I understand what you're saying except I have no idea where to alter the code. Maybe it's easier with the code:
/* SpryCollapsiblePanel.js - Revision: Spry Preview Release 1.4 */
// Copyright (c) 2006. Adobe Systems Incorporated.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Adobe Systems Incorporated nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
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)
{
// XXX: IE doesn't allow the setting of tabindex dynamically. This means we can't
// rely on adding the tabindex attribute if it is missing to enable keyboard navigation
// by default.
// Find the first element within the tab container that has a tabindex or the first
// anchor tag.
var tabIndexEle = null;
var tabAnchorEle = null;
this.preorderTraversal(tab, function(node) {
if (node.nodeType == 1 /* NODE.ELEMENT_NODE */)
{
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 /* Node.ELEMENT_NODE */)
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 caller specified speed in terms of frames per second,
// convert them into steps.
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")
{
// The content area is not displayed so in order to calculate the extent
// of the content inside it, we have to set its display to block.
c.style.visibility = "hidden";
c.style.display = "block";
}
// Unfortunately in Mozilla/Firefox, fetching the offsetHeight seems to cause
// the browser to synchronously re-layout and re-display content on the page,
// so we see a brief flash of content that is *after* the panel being positioned
// where it should when the panel is fully expanded. To get around this, we
// temporarily position the content area of the panel absolutely off-screen.
// This has the effect of taking the content out-of-flow, so nothing shifts around.
// var oldPos = c.style.position;
// var oldLeft = c.style.left;
// c.style.position = "absolute";
// c.style.left = "-2000em";
// Clear the height property so we can calculate
// the full height of the content we are going to show.
c.style.height = "";
this.toHeight = c.offsetHeight;
// Now restore the position and offset to what it was!
// c.style.position = oldPos;
// c.style.left = oldLeft;
}
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 we're killing the timer, restore the overflow
// properties on the panels we were animating!
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";
}
};
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