/**
 *
 * Utilities
 * Author: Stefan Petre www.eyecon.ro
 *
 */
(function($) {
EYE.extend({
getPosition : function(e, forceIt)
{
var x = 0;
var y = 0;
var es = e.style;
var restoreStyles = false;
if (forceIt && jQuery.curCSS(e,'display') == 'none') {
var oldVisibility = es.visibility;
var oldPosition = es.position;
restoreStyles = true;
es.visibility = 'hidden';
es.display = 'block';
es.position = 'absolute';
}
var el = e;
if (el.getBoundingClientRect) { // IE
var box = el.getBoundingClientRect();
x = box.left + Math.max(document.documentElement.scrollLeft, document.body.scrollLeft) - 2;
y = box.top + Math.max(document.documentElement.scrollTop, document.body.scrollTop) - 2;
} else {
x = el.offsetLeft;
y = el.offsetTop;
el = el.offsetParent;
if (e != el) {
while (el) {
x += el.offsetLeft;
y += el.offsetTop;
el = el.offsetParent;
}
}
if (jQuery.browser.safari && jQuery.curCSS(e, 'position') == 'absolute' ) {
x -= document.body.offsetLeft;
y -= document.body.offsetTop;
}
el = e.parentNode;
while (el && el.tagName.toUpperCase() != 'BODY' && el.tagName.toUpperCase() != 'HTML')
{
if (jQuery.curCSS(el, 'display') != 'inline') {
x -= el.scrollLeft;
y -= el.scrollTop;
}
el = el.parentNode;
}
}
if (restoreStyles == true) {
es.display = 'none';
es.position = oldPosition;
es.visibility = oldVisibility;
}
return {x:x, y:y};
},
getSize : function(e)
{
var w = parseInt(jQuery.curCSS(e,'width'), 10);
var h = parseInt(jQuery.curCSS(e,'height'), 10);
var wb = 0;
var hb = 0;
if (jQuery.curCSS(e, 'display') != 'none') {
wb = e.offsetWidth;
hb = e.offsetHeight;
} else {
var es = e.style;
var oldVisibility = es.visibility;
var oldPosition = es.position;
es.visibility = 'hidden';
es.display = 'block';
es.position = 'absolute';
wb = e.offsetWidth;
hb = e.offsetHeight;
es.display = 'none';
es.position = oldPosition;
es.visibility = oldVisibility;
}
return {w:w, h:h, wb:wb, hb:hb};
},
getClient : function(e)
{
var h, w;
if (e) {
w = e.clientWidth;
h = e.clientHeight;
} else {
var de = document.documentElement;
w = window.innerWidth || self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
h = window.innerHeight || self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
}
return {w:w,h:h};
},
getScroll : function (e)
{
var t=0, l=0, w=0, h=0, iw=0, ih=0;
if (e && e.nodeName.toLowerCase() != 'body') {
t = e.scrollTop;
l = e.scrollLeft;
w = e.scrollWidth;
h = e.scrollHeight;
} else  {
if (document.documentElement) {
t = document.documentElement.scrollTop;
l = document.documentElement.scrollLeft;
w = document.documentElement.scrollWidth;
h = document.documentElement.scrollHeight;
} else if (document.body) {
t = document.body.scrollTop;
l = document.body.scrollLeft;
w = document.body.scrollWidth;
h = document.body.scrollHeight;
}
if (typeof pageYOffset != 'undefined') {
t = pageYOffset;
l = pageXOffset;
}
iw = self.innerWidth||document.documentElement.clientWidth||document.body.clientWidth||0;
ih = self.innerHeight||document.documentElement.clientHeight||document.body.clientHeight||0;
}
return { t: t, l: l, w: w, h: h, iw: iw, ih: ih };
},
getMargins : function(e, toInteger)
{
var t = jQuery.curCSS(e,'marginTop') || '';
var r = jQuery.curCSS(e,'marginRight') || '';
var b = jQuery.curCSS(e,'marginBottom') || '';
var l = jQuery.curCSS(e,'marginLeft') || '';
if (toInteger)
return {
t: parseInt(t, 10)||0,
r: parseInt(r, 10)||0,
b: parseInt(b, 10)||0,
l: parseInt(l, 10)
};
else
return {t: t, r: r, b: b, l: l};
},
getPadding : function(e, toInteger)
{
var t = jQuery.curCSS(e,'paddingTop') || '';
var r = jQuery.curCSS(e,'paddingRight') || '';
var b = jQuery.curCSS(e,'paddingBottom') || '';
var l = jQuery.curCSS(e,'paddingLeft') || '';
if (toInteger)
return {
t: parseInt(t, 10)||0,
r: parseInt(r, 10)||0,
b: parseInt(b, 10)||0,
l: parseInt(l, 10)
};
else
return {t: t, r: r, b: b, l: l};
},
getBorder : function(e, toInteger)
{
var t = jQuery.curCSS(e,'borderTopWidth') || '';
var r = jQuery.curCSS(e,'borderRightWidth') || '';
var b = jQuery.curCSS(e,'borderBottomWidth') || '';
var l = jQuery.curCSS(e,'borderLeftWidth') || '';
if (toInteger)
return {
t: parseInt(t, 10)||0,
r: parseInt(r, 10)||0,
b: parseInt(b, 10)||0,
l: parseInt(l, 10)||0
};
else
return {t: t, r: r, b: b, l: l};
},
traverseDOM : function(nodeEl, func)
{
func(nodeEl);
nodeEl = nodeEl.firstChild;
while(nodeEl){
EYE.traverseDOM(nodeEl, func);
nodeEl = nodeEl.nextSibling;
}
},
getInnerWidth :  function(el, scroll) {
var offsetW = el.offsetWidth;
return scroll ? Math.max(el.scrollWidth,offsetW) - offsetW + el.clientWidth:el.clientWidth;
},
getInnerHeight : function(el, scroll) {
var offsetH = el.offsetHeight;
return scroll ? Math.max(el.scrollHeight,offsetH) - offsetH + el.clientHeight:el.clientHeight;
},
getExtraWidth : function(el) {
if($.boxModel)
return (parseInt($.curCSS(el, 'paddingLeft'))||0)
+ (parseInt($.curCSS(el, 'paddingRight'))||0)
+ (parseInt($.curCSS(el, 'borderLeftWidth'))||0)
+ (parseInt($.curCSS(el, 'borderRightWidth'))||0);
return 0;
},
getExtraHeight : function(el) {
if($.boxModel)
return (parseInt($.curCSS(el, 'paddingTop'))||0)
+ (parseInt($.curCSS(el, 'paddingBottom'))||0)
+ (parseInt($.curCSS(el, 'borderTopWidth'))||0)
+ (parseInt($.curCSS(el, 'borderBottomWidth'))||0);
return 0;
},
isChildOf: function(parentEl, el, container) {
if (parentEl == el) {
return true;
}
if (!el || !el.nodeType || el.nodeType != 1) {
return false;
}
if (parentEl.contains && !$.browser.safari) {
return parentEl.contains(el);
}
if ( parentEl.compareDocumentPosition ) {
return !!(parentEl.compareDocumentPosition(el) & 16);
}
var prEl = el.parentNode;
while(prEl && prEl != container) {
if (prEl == parentEl)
return true;
prEl = prEl.parentNode;
}
return false;
},
centerEl : function(el, axis)
{
var clientScroll = EYE.getScroll();
var size = EYE.getSize(el);
if (!axis || axis == 'vertically')
$(el).css(
{
top: clientScroll.t + ((Math.min(clientScroll.h,clientScroll.ih) - size.hb)/2) + 'px'
}
);
if (!axis || axis == 'horizontally')
$(el).css(
{
left: clientScroll.l + ((Math.min(clientScroll.w,clientScroll.iw) - size.wb)/2) + 'px'
}
);
}
});
if (!$.easing.easeout) {
$.easing.easeout = function(p, n, firstNum, delta, duration) {
return -delta * ((n=n/duration-1)*n*n*n - 1) + firstNum;
};
}

})(jQuery);