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iutil.js

Uploaded on Jan 04 2010 04:16 by nr.ashkumar

/**
* Interface Elements for jQuery
* utility function
*
* http://interface.eyecon.ro
*
* Copyright (c) 2006 Stefan Petre
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
*
*/

jQuery.iUtil = {
getPosition : function(e)
{
var x = 0;
var y = 0;
var es = e.style;
var restoreStyles = false;
if (jQuery(e).css('display') == 'none') {
var oldVisibility = es.visibility;
var oldPosition = es.position;
restoreStyles = true;
es.visibility = 'hidden';
es.display = 'block';
es.position = 'absolute';
}
var el = e;
while (el){
x += el.offsetLeft + (el.currentStyle && !jQuery.browser.opera ?parseInt(el.currentStyle.borderLeftWidth)||0:0);
y += el.offsetTop + (el.currentStyle && !jQuery.browser.opera ?parseInt(el.currentStyle.borderTopWidth)||0:0);
el = el.offsetParent;
}
el = e;
while (el && el.tagName && el.tagName.toLowerCase() != 'body')
{
x -= el.scrollLeft||0;
y -= el.scrollTop||0;
el = el.parentNode;
}
if (restoreStyles == true) {
es.display = 'none';
es.position = oldPosition;
es.visibility = oldVisibility;
}
return {x:x, y:y};
},
getPositionLite : function(el)
{
var x = 0, y = 0;
while(el) {
x += el.offsetLeft || 0;
y += el.offsetTop || 0;
el = el.offsetParent;
}
return {x:x, y:y};
},
getSize : function(e)
{
var w = jQuery.css(e,'width');
var h = jQuery.css(e,'height');
var wb = 0;
var hb = 0;
var es = e.style;
if (jQuery(e).css('display') != 'none') {
wb = e.offsetWidth;
hb = e.offsetHeight;
} else {
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};
},
getSizeLite : function(el)
{
return {
wb:el.offsetWidth||0,
hb:el.offsetHeight||0
};
},
getClient : function(e)
{
var h, w, de;
if (e) {
w = e.clientWidth;
h = e.clientHeight;
} else {
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;
iw = 0;
ih = 0;
} 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;
}
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 el = jQuery(e);
var t = el.css('marginTop') || '';
var r = el.css('marginRight') || '';
var b = el.css('marginBottom') || '';
var l = el.css('marginLeft') || '';
if (toInteger)
return {
t: parseInt(t)||0,
r: parseInt(r)||0,
b: parseInt(b)||0,
l: parseInt(l)
};
else
return {t: t, r: r, b: b, l: l};
},
getPadding : function(e, toInteger)
{
var el = jQuery(e);
var t = el.css('paddingTop') || '';
var r = el.css('paddingRight') || '';
var b = el.css('paddingBottom') || '';
var l = el.css('paddingLeft') || '';
if (toInteger)
return {
t: parseInt(t)||0,
r: parseInt(r)||0,
b: parseInt(b)||0,
l: parseInt(l)
};
else
return {t: t, r: r, b: b, l: l};
},
getBorder : function(e, toInteger)
{
var el = jQuery(e);
var t = el.css('borderTopWidth') || '';
var r = el.css('borderRightWidth') || '';
var b = el.css('borderBottomWidth') || '';
var l = el.css('borderLeftWidth') || '';
if (toInteger)
return {
t: parseInt(t)||0,
r: parseInt(r)||0,
b: parseInt(b)||0,
l: parseInt(l)||0
};
else
return {t: t, r: r, b: b, l: l};
},
getPointer : function(event)
{
var x = event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)) || 0;
var y = event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop)) || 0;
return {x:x, y:y};
},
traverseDOM : function(nodeEl, func)
{
func(nodeEl);
nodeEl = nodeEl.firstChild;
while(nodeEl){
jQuery.iUtil.traverseDOM(nodeEl, func);
nodeEl = nodeEl.nextSibling;
}
},
purgeEvents : function(nodeEl)
{
jQuery.iUtil.traverseDOM(
nodeEl,
function(el)
{
for(var attr in el){
if(typeof el[attr] === 'function') {
el[attr] = null;
}
}
}
);
},
centerEl : function(el, axis)
{
var clientScroll = jQuery.iUtil.getScroll();
var windowSize = jQuery.iUtil.getSize(el);
if (!axis || axis == 'vertically')
jQuery(el).css(
{
top: clientScroll.t + ((Math.max(clientScroll.h,clientScroll.ih) - clientScroll.t - windowSize.hb)/2) + 'px'
}
);
if (!axis || axis == 'horizontally')
jQuery(el).css(
{
left: clientScroll.l + ((Math.max(clientScroll.w,clientScroll.iw) - clientScroll.l - windowSize.wb)/2) + 'px'
}
);
},
fixPNG : function (el, emptyGIF) {
var images = jQuery('img[@src*="png"]', el||document), png;
images.each( function() {
png = this.src;
this.src = emptyGIF;
this.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + png + "')";
});
}
};

// Helper function to support older browsers!
[].indexOf || (Array.prototype.indexOf = function(v, n){
n = (n == null) ? 0 : n;
var m = this.length;
for (var i=n; i<m; i++)
if (this[i] == v)
return i;
return -1;
});

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