/*!
 * Copyright yunos.com All rights reserved.
 * jquery.scrollspy.js
 * @author v10258@qq.com
 * @version 0-0-1
 */
(function ($) {

    // contructor function
    ScrollSpy = function (element, options) {
        this.element = $(element);
        this.options = $.extend({}, ScrollSpy.defaults, options || {});
        this.anchorArr = $(element).find(‘a‘);
        this.init();
    };

    // default config
    ScrollSpy.defaults = {
        scrollEle: $(window)
    };

    // prototype
    ScrollSpy.prototype = {
        container: ScrollSpy,
        init: function () {
            var self = this,
                element = this.element,
                scrollEle = this.options.scrollEle,
                anchorData,
                scrollTop;

            scrollEle.on(‘scroll‘, function () {
                // The realization of the bad dynamic acquisition
                anchorData = self.getAnchorData();
                scrollTop = $(this).scrollTop();
                for (var i = 0, len = anchorData.length; i < len; i++) {
                    if (anchorData[i].min <= scrollTop && scrollTop < anchorData[i].max) {
                        $(anchorData[i].author).parent().addClass(‘current‘).siblings().removeClass(‘current‘);
                        break;
                    }
                }
            });
        },
        getAnchorData: function () {
            var anchorArr = this.anchorArr,
                active,
                activeDom,
                anchorTargetArr = [];

            anchorArr.each(function (i, n) {
                active = $($(this).attr(‘href‘));
                activeDom = active[0];
                anchorTargetArr.push({
                    ele: activeDom,
                    author: this,
                    min: active.offset().top,
                    max: active.offset().top + active.height()
                });
            });
            return anchorTargetArr;
        },
        distroy: function(){
            this.element.removeData(‘scrollspy‘);
            this.options.scrollEle.off(‘scroll‘);
        }
    };

    // bridging
    $.fn.scrollspy = function (option) {
        return this.each(function () {
            var $this = $(this),
                data = $this.data(‘scrollspy‘),
                options = typeof option == ‘object‘ && option;

            if (!data) $this.data(‘scrollspy‘, (data = new ScrollSpy(this, options)));
            if (typeof option == ‘string‘) data[option]();
        });
    };
})(jQuery);

(function ($) {
    $.love.defaults = {
        // ......
    };
    $.love = function (element, o) {
        this.element = element;
        this.options = $.extend({}, $.love.defaults, o);
        // ......
    };

    var $love = $.love;
    $love.fn = $love.prototype = {
        verson: ‘0.0.1‘
        // ......
    };
    $love.fn.extend = $love.extend = $.extend;

    $love.fn.extend({
        metod: function () {
            
        }
        // ......
    });

    $.fn.ilove = function (o) {
        // ......
    };
})(jQuery);