/* 
*作者：一些事情
*时间：2015-4-28
*需要结合jquery.jcrop一起使用
----------------------------------------------------------*/
var jcrop_api, boundx, boundy;
//初始化webuploader
function initwebuploader(webpath) {
    var parentobj = $("#upload-box");
    var btnobj = $('<div class="upload-btn">上传</div>').appendto(parentobj);
    var uploader = webuploader.create({
        auto: true, //自动上传
        swf: webpath + 'scripts/webuploader/uploader.swf', //swf路径
        server: webpath + 'tools/upload_ajax.ashx?action=singlefile', //上传地址
        pick: {
            id: btnobj,
            multiple: false
        },
        accept: {
            title: 'images',
            extensions: 'jpg,jpge,png,gif,zip,rar,doc,docx',
            mimetypes: '*'
        },
        formdata: {
            'delfilepath': '' //定义参数
        },
        fileval: 'filedata', //上传域的名称
        sendasbinary: true, //二进制流上传
        filesinglesizelimit: 2048 * 1024 //文件大小
    });
    //当validate不通过时，会以派送错误事件的形式通知
    uploader.on('error', function (type) {
        switch (type) {
            case 'q_exceed_num_limit':
                alert("错误：上传文件数量过多！");
                break;
            case 'q_exceed_size_limit':
                alert("错误：文件总大小超出限制！");
                break;
            case 'f_exceed_size':
                alert("错误：文件大小超出限制！");
                break;
            case 'q_type_denied':
                alert("错误：禁止上传该类型文件！");
                break;
            case 'f_duplicate':
                alert("错误：请勿重复上传该文件！");
                break;
            default:
                alert('错误代码：' + type);
                break;
        }
    });
    //当有文件添加进来的时候
    uploader.on('filequeued', function (file) {
        uploader.options.formdata.delfilepath = $('#hidefilename').val();
        //防止重复创建
        if (parentobj.children(".upload-progress").length == 0) {
            //创建进度条
            var fileprogressobj = $('<div class="upload-progress"></div>').appendto(parentobj);
            var progresstext = $('<span class="txt">正在上传，请稍候...</span>').appendto(fileprogressobj);
            var progressbar = $('<span class="bar"><b></b></span>').appendto(fileprogressobj);
            var progresscancel = $('<a class="close" title="取消上传">关闭</a>').appendto(fileprogressobj);
            //绑定点击事件
            progresscancel.click(function () {
                uploader.cancelfile(file);
                fileprogressobj.remove();
            });
        }
    });
    //文件上传过程中创建进度条实时显示
    uploader.on('uploadprogress', function (file, percentage) {
        var progressobj = parentobj.children(".upload-progress");
        progressobj.children(".txt").html(file.name);
        progressobj.find(".bar b").width(percentage * 100 + "%");
    });
    //当文件上传出错时触发
    uploader.on('uploaderror', function (file, reason) {
        uploader.removefile(file); //从队列中移除
        alert(file.name + "上传失败，错误代码：" + reason);
    });
    //当文件上传成功时触发
    uploader.on('uploadsuccess', function (file, data) {
        $('#jianli').attr('value', data.path);
    });
    //不管成功或者失败，文件上传完成时触发
    uploader.on('uploadcomplete', function (file) {
        var progressobj = parentobj.children(".upload-progress");
        progressobj.children(".txt").html("上传完成");
        //如果队列为空，则移除进度条
        if (uploader.getstats().queuenum == 0) {
            progressobj.remove();
        }
    });
}

//提交裁剪
function cropsubmit(obj) {
    if ($("#hidefilename").val() == '') {
        dialog({ title: '提示', content: '请先上传一张图片再提交保存！', okvalue: '确定', ok: function () { } }).showmodal();
        return false;
    }
    var btntxt = $(obj).val();
    $.ajax({
        type: "post",
        url: $("#uploadform").attr("url"),
        data: $("#uploadform").serialize(),
        datatype: "json",
        beforesend: function (formdata, jqform, options) {
            $(obj).prop("disabled", true).val("请稍候..");
        },
        success: function (data, textstatus) {
            if (data.status == 1) {
                var d = dialog({ content: '头像上传成功！' }).show();
                settimeout(function () {
                    d.close().remove();
                    location.reload();
                }, 2000);
            } else {
                dialog({ title: '提示', content: data.msg, okvalue: '确定', ok: function () { } }).showmodal();
            }
        },
        error: function (xmlhttprequest, textstatus, errorthrown) {
            dialog({ title: '提示', content: "状态：" + textstatus + "；出错提示：" + errorthrown, okvalue: '确定', ok: function () { } }).showmodal();
        },
        complete: function (xmlhttprequest, textstatus) {
            $(obj).prop("disabled", false).val(btntxt);
        },
        timeout: 20000
    });
    return false;
}

//初始化jcrop
function initjcrop() {
    $("#target").jcrop({
        onchange: updatepreview,
        onselect: updatepreview,
        aspectratio: 1,
        boxwidth: 350,
        boxheight: 350
    }, function () {
        jcrop_api = this;
    });
};
//头像预览图
function updatepreview(c) {
    if (parseint(c.w) > 0) {
        var rx = 180 / c.w;
        var ry = 180 / c.h;
        $('#preview').css({
            width: math.round(rx * boundx) + 'px',
            height: math.round(ry * boundy) + 'px',
            marginleft: '-' + math.round(rx * c.x) + 'px',
            margintop: '-' + math.round(ry * c.y) + 'px'
        });
        $('#hidex1').val(math.round(c.x));
        $('#hidey1').val(math.round(c.y));
        $('#hidewidth').val(math.round(c.w));
        $('#hideheight').val(math.round(c.h));
    }
};