/**
 * @preserve JSizes - JQuery plugin v0.33
 *
 * Licensed under the revised BSD License.
 * Copyright 2008-2010 Bram Stein
 * All rights reserved.
 */
/*global jQuery*/
(function ($) {
    'use strict';
    var num = function (value) {
        return parseInt(value, 10) || 0;
    };

    /**
     * Sets or gets the values for min-width, min-height, max-width
     * and max-height.
     */
    $.each(['min', 'max'], function (i, name) {
        $.fn[name + 'Size'] = function (value) {
            var width, height;
            if (value) {
                if (value.width !== undefined) {
                    this.css(name + '-width', value.width);
                }
                if (value.height !== undefined) {
                    this.css(name + '-height', value.height);
                }
            } else {
                width = this.css(name + '-width');
                height = this.css(name + '-height');
                // Apparently:
                //  * Opera returns -1px instead of none
                //  * IE6 returns undefined instead of none
                return {'width': (name === 'max' && (width === undefined || width === 'none' || num(width) === -1) && Number.MAX_VALUE) || num(width),
                    'height': (name === 'max' && (height === undefined || height === 'none' || num(height) === -1) && Number.MAX_VALUE) || num(height)};
            }
            return this;
        };
    });

    /**
     * Returns whether or not an element is visible.
     */
    $.fn.isVisible = function () {
        return this.is(':visible');
    };

    /**
     * Sets or gets the values for border, margin and padding.
     */
    $.each(['border', 'margin', 'padding'], function (i, name) {
        $.fn[name] = function (value) {
            if (value) {
                if (value.top !== undefined) {
                    this.css(name + '-top' + (name === 'border' ? '-width' : ''), value.top);
                }
                if (value.bottom !== undefined) {
                    this.css(name + '-bottom' + (name === 'border' ? '-width' : ''), value.bottom);
                }
                if (value.left !== undefined) {
                    this.css(name + '-left' + (name === 'border' ? '-width' : ''), value.left);
                }
                if (value.right !== undefined) {
                    this.css(name + '-right' + (name === 'border' ? '-width' : ''), value.right);
                }
            } else {
                return {top: num(this.css(name + '-top' + (name === 'border' ? '-width' : ''))),
                    bottom: num(this.css(name + '-bottom' + (name === 'border' ? '-width' : ''))),
                    left: num(this.css(name + '-left' + (name === 'border' ? '-width' : ''))),
                    right: num(this.css(name + '-right' + (name === 'border' ? '-width' : '')))};
            }
            return this;
        };
    });
}(jQuery));