source: extensions/Autosize/js/jquery.dimensions.js @ 7353

/* 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 08:43:48 -0600 (Thu, 20 Dec 2007) $
 * $Rev: 4257 $
 *
 * $LastChangedDate: 2010-10-23 08:43:48 -0600 (Thu, 20 Dec 2007) $
 * By cljosse
 * Version: 1.2
 *
 * Requires: jQuery 1.2+
 * 
 */
(function (jQuery) {
    jQuery.dimensions = { version: '1.3' };
    /*
    * Interception Height, Width
    */
    jQuery.each(['Height', 'Width'],
            function (i, name) {
                jQuery.fn['inner' + name] = function () {
                    if (!this[0]) return;
                    var torl = name == 'Height' ? 'Top' : 'Left',
                        borr = name == 'Height' ? 'Bottom' : 'Right';
                    return this.is(':visible') ? this[0]['client' + name] : num(this, name.toLowerCase()) + num(this, 'padding' + torl) + num(this, 'padding' + borr);
                };

                jQuery.fn['outer' + name] = function (options) {
                    if (!this[0]) return;
                    var torl = name == 'Height' ? 'Top' : 'Left',
                        borr = name == 'Height' ? 'Bottom' : 'Right';
                    options = jQuery.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);
                };
            });
    /*
    *
    */
    jQuery.each(['Left', 'Top'],
      function (i, name) {
          jQuery.fn['scroll' + name] = function (val) {
              if (!this[0]) return;
              return val != undefined ? this.each(function () {
                  this == window || this == document ? window.scrollTo(name == 'Left' ? val : $(window)['scrollLeft'](),
           name == 'Top' ? val : $(window)['scrollTop']()) : this['scroll' + name] = val;
              }) : this[0] == window || this[0] == document ? self[(name == 'Left' ? 'pageXOffset' : 'pageYOffset')] || jQuery.boxModel && document.documentElement['scroll' + name] || document.body['scroll' + name] : this[0]['scroll' + name];
          };

      });
    jQuery.fn.extend({

        info: function () {
            var width = 0, height = 0;
            var elem = jQuery(this).get(0);


            var left = 0, top = 0, offset, parentOffset, offsetParent, results;
            var borderwidth = { width: "0 0 0 0",
                top: 0,
                left: 0,
                right: 0,
                bottom: 0
            }
            var padding = { padding: "0 0 0 0",
                top: 0,
                left: 0,
                right: 0,
                bottom: 0
            };
            var margin = { margin: "0 0 0 0",
                top: 0,
                left: 0,
                right: 0,
                bottom: 0
            };
            //=====================================================================
            results = {
                position: jQuery(elem).css("position"),
                top: 0,
                left: 0,
                width: 0,
                height: 0,
                right: 0,
                bottom: 0,
                borderwidth: borderwidth,
                padding: padding,
                margin: margin
            };
            ;
            if (elem) {
                Position = jQuery(elem).position();
                left = Position.left;
                top = Position.top;
                width = jQuery(elem).outerWidth();
                height = jQuery(elem).outerHeight();


                borderwidth.left = jQuery(elem).css("borderLeftWidth");
                borderwidth.right = jQuery(elem).css("borderRightWidth");
                borderwidth.top = jQuery(elem).css("borderTopWidth");
                borderwidth.bottom = jQuery(elem).css("borderBottomWidth");
                try {
                    borderwidth.width = jQuery(elem).css("borderWidth");
                } catch (e) {
                    borderwidth.width = '"' + borderwidth.left + ' ' + borderwidth.top + ' ' + borderwidth.right + ' ' + borderwidth.bottom + '"';
                }


                margin.left = jQuery(elem).css("marginLeft");
                margin.right = jQuery(elem).css("marginRight");
                margin.top = jQuery(elem).css("marginTop");
                margin.bottom = jQuery(elem).css("marginBottom");
                try {
                    margin.margin = jQuery(elem).css("margin");
                } catch (e) {
                    margin.margin = '"' + margin.left + ' ' + margin.top + ' ' + margin.right + ' ' + margin.bottom + '"';
                }

                padding.left = jQuery(elem).css("paddingLeft");
                padding.right = jQuery(elem).css("paddingRight");
                padding.top = jQuery(elem).css("paddingTop");
                padding.bottom = jQuery(elem).css("paddingBottom");
                try { padding.padding = jQuery(elem).css("padding"); } catch (e) {
                    padding.padding = '"' + padding.left + ' ' + padding.top + ' ' + padding.right + ' ' + padding.bottom + '"';
                }

                results = {
                    position: jQuery(elem).css("position"),
                    top: top,
                    left: left,
                    width: width,
                    height: height,
                    right: left + width,
                    bottom: top + height,
                    borderwidth: borderwidth,
                    margin: margin,
                    padding: padding
                };

                return results
            } return results;
        },
        /*
        * Position de l'object elem
        */
        position: function () {
            var left = 0, top = 0, elem = this[0], offset, parentOffset, offsetParent, results;
            if (elem) {
                offsetParent = this.offsetParent();
                offset = this.offset();
                if (offsetParent) {
                    if (typeof (offsetParent.offset) != "undefined")
                        parentOffset = offsetParent.offset();
                    else
                        parentOffset = { top: 0, left: 0 };

                    offset.top -= num(elem, 'marginTop');
                    offset.left -= num(elem, 'marginLeft');

                    if (offsetParent.length > 0) {
                        parentOffset.top += num(offsetParent, 'borderTopWidth');
                        parentOffset.left += num(offsetParent, 'borderLeftWidth');
                    } else {
                        parentOffset = { top: 0, left: 0 };

                    }
                } else {
                    parentOffset = { top: 0, left: 0 };
                }
                results = {
                    top: offset.top - parentOffset.top, left: offset.left - parentOffset.left
                };
            } return results;
        },
        /*
        * offsetParent
        */
        offsetParent: function () {
            var offsetParent = this[0].offsetParent;
            while (offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && jQuery.css(offsetParent, 'position') == 'static'))
                offsetParent = offsetParent.offsetParent;
            return jQuery(offsetParent);
        }
    });
    /*
    *
    */
    function num(el, prop) {
        return parseInt(jQuery.curCSS(el.jquery ? el[0] : el, prop, true)) || 0;
    };
})(jQuery);