String.prototype.Trim = function () //去除首尾空格
{
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
//顶部滚动变小
var $body = $("html,body");
var $document = $(document);
var $window = $(window);
var $header;
$(function () {
    $("#gotoTop").on("click", function () {
        $body.animate({ "scrollTop": 0 });
    });
});
$window.on("scroll", function (e) {
    if ($header == undefined) {
        $header = $("#header");
    }
    if ($document.scrollTop() >= 50) {
        $header.addClass("header-small");
    } else {
        $header.removeClass("header-small");
    }
});


function CheckInternetExplorer() {
    var bVersion = navigator.appVersion; has - sub - nav
    var version = bVersion.split(";");
    if (version.length > 1) {
        var trimVersion = parseInt(version[1].replace(/[ ]/g, "").replace(/MSIE/g, ""));
        var $body = document.getElementsByTagName("body")[0];
        var msg = "<div style=\"text-align:center;background-color:#ff6a00;color:#fff;line-height:40px;;font-size:14px;\">您好，你当前使用的IE浏览器版本过低，为了获取更好的浏览体验，建议你使用谷歌(chrome)\火狐(Firefox)等标准浏览器，或升级IE10+以上版本！</div>";
        if (trimVersion <= 9) {
            msg += $body.innerHTML;
            $body.innerHTML = msg;
        }
    }
}

//保证所有响应式图片列表同一尺寸，避免上传图片尺寸不一致排版混乱
$(function () {
    var $imageSameSize = $(".imgae-same-size");
    $imageSameSize.each(function () {
        var $this = $(this);
        var $images = $this.find("img");
        if ($images.length == 0) {
            return true;
        }
        var $firstImg = $images.eq(0);
        //$(window).on("onload",function(){}) //弃用，效率太低,要等所有页面图片加载完毕才执行
        //$images.eq(0).attr("onload", function (){$images.ImageSameSize()}); //弃用火狐浏览器下获取不到响应式图片的实际高度
        var img = new Image();
        img.src = $firstImg.attr("src");
        img.onload = function () {
            $images.ImageSameSize();
        };
    });
});

//注册响应式菜单
; (function ($, window, undefined) {
    $.fn.InitNav = function (currentColumnId, topColumnId) {
        console.log(currentColumnId, topColumnId, 'ppppp')
        var $navLiItem = this;
        if (currentColumnId == undefined) {
            currentColumnId = "0";
        }
        if (topColumnId == undefined) {
            topColumnId = "0";
        }
        //添加子级菜单指示箭头
        $navLiItem.each(function () {
            var $this = $(this);
            if ($this.children("ul").length > 0) {
                $this.children("ul").children("li").addClass("animated navSlide");
                $this.append('<span class="arrow"></span>');
            }
            var attrDataId = $this.attr("data-id");
            if (attrDataId == topColumnId.toString()) {
                $this.addClass("current active");
            }
            else if (attrDataId == currentColumnId) {
                $this.addClass("current active");
                var $thisParentLi = $this.parentsUntil("div");
                $thisParentLi.addClass("current active");//给所有的父级li添加current active样式
            }
        });
        //指示箭头注册点击事件
        $navLiItem.find(".arrow").on("click", function () {
            var $this = $(this);
            $this.parent("li").toggleClass("active")
        });
    };
})(jQuery, window);

//自动适应尺寸，如果容器列表项内有图片需要自动适应宽度和高度，所有容器中的图片文件尺寸默认用同级第一个容器尺寸。
// ; (function ($, window, undefined) {
//     $.fn.ImageSameSize = function (index) {
//         var $objs = this;
//         if (index == undefined) {
//             index = 0;
//         }
//         var $templateImage = $objs.eq(index);
//         var SetSize = function () {
//             var height = Math.round($templateImage.css("height").replace(/\s+|px/gi, ""));
//             var width = Math.round($templateImage.css("width").replace(/\s+|px/gi, ""));
//             $objs.each(function (idx) {
//                 $(this).css({ "width": width + "px", "height": height + "px" });
//             });
//         }
//         SetSize();
//         var bindResize = $templateImage.attr("data-bindResize");
//         if (bindResize == undefined) {
//             $(window).resize(function () {
//                 $templateImage.css({ "width": "auto", "height": "auto" });
//                 SetSize();
//             });
//             $templateImage.attr("data-bindresize", 1);
//         }
//     };
// })(jQuery, window);



//搜索
$(function () {
    var $btnSearch = $("#btnSearch");
    $btnSearch.on("click", function () {
        var $this = $(this);
        var $input = $this.siblings("input").eq(0);
        var key = $input.val().Trim();
        if (key == "") {
            $input.focus();
            return;
        }
        key = key.replace(/<\/?[^>]*>/g, ""); //去除HTML tag    
        var dataTarget = $this.attr("data-target");
        if (dataTarget == undefined) {
            dataTarget = "_blank";
        }
        var searchType = $this.attr("data-search");
        var searchUrl = "";
        switch (searchType) {
            case "help":
                searchUrl = "/help/search/?key=" + encodeURIComponent(key);
                break;
            case "moban":
                searchUrl = "/moban/search/?key=" + encodeURIComponent(key);
                break;
            case "doc":
                searchUrl = "/teaching/search/?key=" + encodeURIComponent(key);
                break;
        }
        if (dataTarget == "_self") {
            location.href = searchUrl;
        }
        else {
            window.open(searchUrl, dataTarget);
        }
    });
});


$(function () {
    var $webIm = $("#webIm,#gongdanIm");
    $webIm.on("click", function () {
        if ($("#nb_icon_wrap").length > 0) {
            $("#nb_icon_wrap").click();
        }
    });
});


//首页-新闻切换表触发事件
$(function () {
    var $tab_title = $(".tab-title");
    var $tab_content = $(".tab-content");
    //$tab_title.each(function (i) {
    //    var $this = $(this);
    //    $this.find("li").each(function (w) {
    //        var $thisli = $(this);
    //        $thisli.mouseenter(function () {
    //            $thisli.addClass("select").siblings().removeClass("select");
    //            $tab_content.eq(i).find(".tabct").eq(w).show().siblings().hide();
    //        })
    //    })
    //})
    var widths = $(window).width();
    $(window).resize(function () {
        widths = $(window).width();
    })

    $tab_title.each(function (i) {
        var $this = $(this);
        $this.find("li").each(function (w) {
            var $thisli = $(this);
            if (widths < 999) {
                $thisli.click(function () {
                    $thisli.addClass("select").siblings().removeClass("select");
                    $tab_content.eq(i).find(".tabct").eq(w).show().siblings().hide();
                })
            }
            if (widths > 1000) {
                $thisli.click(function () {
                    $thisli.addClass("select").siblings().removeClass("select");
                    $tab_content.eq(i).find(".tabct").eq(w).show().siblings().hide();
                })
            }
        })
    })

})


// 搜索
$(function () {
    var $s_input = $(".s-input");
    $(".s-btn").on("click", function () {
        keyword = $s_input.val();
        if (keyword != "") {
            // location.href = "searchResultPage.html" + keyword;
            location.href = "searchResultPage.html";
        }
    });
    $(".s-input").on("keydown", function (event) {
        var key = event.which;
        if (key == 13) {
            keyword = $s_input.val();
            if (keyword != "") {
                // location.href = "searchResultPage.html" + keyword;
                location.href = "searchResultPage.html";
            }
        }
    });
})

// 移动端导航展开与关闭
$(function () {

    var $navToggle = $("#navToggle");
    var $maskBg = $("#maskBg");
    var $navMenu = $("#navMenu");

    $navToggle.on("click", function () {
        $maskBg.addClass("active");
        $navMenu.addClass("active");
    });
    $maskBg.on("click", function () {
        $maskBg.removeClass("active");
        $navMenu.removeClass("active");
    });
    $navMenu.children("ul").find("li").InitNav(22, 22);
})