119 lines
3.5 KiB
JavaScript
119 lines
3.5 KiB
JavaScript
/* Copyright (c) 2007 Paul Bakaus (paul.bakaus@googlemail.com) and Brandon Aaron (brandon.aaron@gmail.com || http://brandonaaron.net)
|
|
* Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
|
|
* and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
|
|
*
|
|
* $LastChangedDate: 2007-12-20 08:46:55 -0600 (Thu, 20 Dec 2007) $
|
|
* $Rev: 4259 $
|
|
*
|
|
* Version: 1.2
|
|
*
|
|
* Requires: jQuery 1.2+
|
|
*/
|
|
|
|
(function($){
|
|
|
|
$.dimensions = {
|
|
version: '1.2'
|
|
};
|
|
|
|
// Create innerHeight, innerWidth, outerHeight and outerWidth methods
|
|
$.each( [ 'Height', 'Width' ], function(i, name){
|
|
|
|
// innerHeight and innerWidth
|
|
$.fn[ 'inner' + name ] = function() {
|
|
if (!this[0]) return;
|
|
|
|
var torl = name == 'Height' ? 'Top' : 'Left', // top or left
|
|
borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
|
|
|
|
return this.is(':visible') ? this[0]['client' + name] : num( this, name.toLowerCase() ) + num(this, 'padding' + torl) + num(this, 'padding' + borr);
|
|
};
|
|
|
|
// outerHeight and outerWidth
|
|
$.fn[ 'outer' + name ] = function(options) {
|
|
if (!this[0]) return;
|
|
|
|
var torl = name == 'Height' ? 'Top' : 'Left', // top or left
|
|
borr = name == 'Height' ? 'Bottom' : 'Right'; // bottom or right
|
|
|
|
options = $.extend({ margin: false }, options || {});
|
|
|
|
var val = this.is(':visible') ?
|
|
this[0]['offset' + name] :
|
|
num( this, name.toLowerCase() )
|
|
+ num(this, 'border' + torl + 'Width') + num(this, 'border' + borr + 'Width')
|
|
+ num(this, 'padding' + torl) + num(this, 'padding' + borr);
|
|
|
|
return val + (options.margin ? (num(this, 'margin' + torl) + num(this, 'margin' + borr)) : 0);
|
|
};
|
|
});
|
|
|
|
// Create scrollLeft and scrollTop methods
|
|
$.each( ['Left', 'Top'], function(i, name) {
|
|
$.fn[ 'scroll' + name ] = function(val) {
|
|
if (!this[0]) return;
|
|
|
|
return val != undefined ?
|
|
|
|
// Set the scroll offset
|
|
this.each(function() {
|
|
this == window || this == document ?
|
|
window.scrollTo(
|
|
name == 'Left' ? val : $(window)[ 'scrollLeft' ](),
|
|
name == 'Top' ? val : $(window)[ 'scrollTop' ]()
|
|
) :
|
|
this[ 'scroll' + name ] = val;
|
|
}) :
|
|
|
|
// Return the scroll offset
|
|
this[0] == window || this[0] == document ?
|
|
self[ (name == 'Left' ? 'pageXOffset' : 'pageYOffset') ] ||
|
|
$.boxModel && document.documentElement[ 'scroll' + name ] ||
|
|
document.body[ 'scroll' + name ] :
|
|
this[0][ 'scroll' + name ];
|
|
};
|
|
});
|
|
|
|
$.fn.extend({
|
|
position: function() {
|
|
var left = 0, top = 0, elem = this[0], offset, parentOffset, offsetParent, results;
|
|
|
|
if (elem) {
|
|
// Get *real* offsetParent
|
|
offsetParent = this.offsetParent();
|
|
|
|
// Get correct offsets
|
|
offset = this.offset();
|
|
parentOffset = offsetParent.offset();
|
|
|
|
// Subtract element margins
|
|
offset.top -= num(elem, 'marginTop');
|
|
offset.left -= num(elem, 'marginLeft');
|
|
|
|
// Add offsetParent borders
|
|
parentOffset.top += num(offsetParent, 'borderTopWidth');
|
|
parentOffset.left += num(offsetParent, 'borderLeftWidth');
|
|
|
|
// Subtract the two offsets
|
|
results = {
|
|
top: offset.top - parentOffset.top,
|
|
left: offset.left - parentOffset.left
|
|
};
|
|
}
|
|
|
|
return results;
|
|
},
|
|
|
|
offsetParent: function() {
|
|
var offsetParent = this[0].offsetParent;
|
|
while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && $.css(offsetParent, 'position') == 'static') )
|
|
offsetParent = offsetParent.offsetParent;
|
|
return $(offsetParent);
|
|
}
|
|
});
|
|
|
|
function num(el, prop) {
|
|
return parseInt($.curCSS(el.jquery?el[0]:el,prop,true))||0;
|
|
};
|
|
|
|
})(jQuery); |