/// <summary>
/// 获取propertiesBriefcase,其中包含该 1.该平板中所有的课程 2.班级表
/// 第一次在哪下载的课程 就得在哪里用.学院之间不能混用.
/// 若briefcase不存在 则创建一个briefcase
/// </summary>
/// <returns></returns>
public static FileBriefcase InitPropertiesBriefcase(long collageNo)
{
if (File.Exists(GlobalParams.BriefcasePath + @"Properties.daBriefcase")) //does properties briefcase exists?
{
var propertiesBriefcase = new FileBriefcase(GlobalParams.BriefcasePath + @"Properties.daBriefcase", true); //if yes ,return that briefcase(侯晨琛非要让我用英语注释)
var fDataModule = new DataModule(); //新建briefcase的时候要下载班级表咯
var bjTable = from c in fDataModule.GetBjTable() //获取数据
where c.XYID == collageNo
select c;
var bjDataTable = EnumerableExtension.ListToDataTable(bjTable.ToList(), "BJTABLE"); //将班级表转换成datatable
propertiesBriefcase.AddTable(bjDataTable); //将班级表添加到briefcase中
propertiesBriefcase.WriteBriefcase();
return(propertiesBriefcase);//返回该briefcase
}
else
{
var propertiesBriefcase = new FileBriefcase(GlobalParams.BriefcasePath + @"Properties.daBriefcase"); //如果没有的话 那就新建一个briefcase
var courseInfoTable = new DataTable("CourseInfo"); //
courseInfoTable.Columns.Add("课程名称", typeof(string));
courseInfoTable.Columns.Add("课程编号", typeof(string));
propertiesBriefcase.AddTable(courseInfoTable); //新建一张表 表中存的是该平板中所有课程的信息 但表是空的.
var fDataModule = new DataModule(); //新建briefcase的时候要下载班级表咯
var bjTable = from c in fDataModule.GetBjTable() //获取班级表数据
where c.XYID == collageNo
select c;
var bjDataTable = EnumerableExtension.ListToDataTable(bjTable.ToList(), "BJTABLE"); //将班级表转换成datatable
propertiesBriefcase.AddTable(bjDataTable); //将班级表添加到briefcase中
propertiesBriefcase.WriteBriefcase();
return(propertiesBriefcase);//返回该briefcase
}
}
/// <summary>
/// 把点名表转成list 再转换成Datatable 然后再存.
/// </summary>
/// <param name="classBriefcase">要存的那门课对应的briefcase</param>
/// <param name="dmTable">要保存的点名表</param>
public static void SaveDmTable(FileBriefcase classBriefcase, DataTable dmTable)
{
var listToSave = dmTable.ToList <DMTABLE_08_NOPIC_VIEW>(); // 将Dmtable转成list
var datatableToSave = EnumerableExtension.ListToDataTable(listToSave, dmTable.TableName); // 从list再转回来
classBriefcase.AddTable(datatableToSave); //把转完的Datatable放到Briefcase中.
classBriefcase.WriteBriefcase(); //保存
}
/// <summary>
/// 刷新上课表 可用于下载数据时的操作.
/// </summary>
/// <param name="courseBriefcase">skno对应的Briefcase</param>
/// <param name="sktableList">上课表对应的List</param>
public static void RefreshClassInfoTable(FileBriefcase courseBriefcase, IEnumerable <SKTABLE_07_VIEW> sktableList)
{
var classInfoTable = courseBriefcase.FindTable("ClassInfo");
classInfoTable.Rows.Clear();
//以下注释的代码作为参考用.
//courseInfoTable.Columns.Add ("上课编号", typeof (string));
//courseInfoTable.Columns.Add ("上课日期", typeof (string));
//courseInfoTable.Columns.Add ("上课状态", typeof (string));
foreach (var sktable07Viewro in sktableList)
{
var viewro = sktable07Viewro; //resharper说要这么写
var classInfoRow = classInfoTable.NewRow(); //新建一行
classInfoRow["上课编号"] = viewro.SKNO.ToString(CultureInfo.InvariantCulture); //指定这一行的上课编号
classInfoRow["上课日期"] = viewro.YDSKDATE.ToString(); //指定这一行的上课日期
if (viewro.SKZT == 0) //将上课状态转换成文字
{
classInfoRow["上课状态"] = "未签到";
}
else
{
classInfoRow["上课状态"] = "已签到";
}
classInfoTable.Rows.Add(classInfoRow); //将这一行加到datatable里
}
courseBriefcase.AddTable(classInfoTable); //将datatable加到briefcase里
courseBriefcase.WriteBriefcase();
}
private bool StartDownloadData(JSANDKKVIEWRO kktable05, string offlinePasswd) // 一门开课课程
{
ProgressHelper.StartProgressThread(); // 开始显示进度条
Briefcase newBriefcase = new FileBriefcase(string.Format(
GlobalParams.CurrentOfflineDataFile,
kktable05.KKNO.ToString())); // 在内存中新建一个Briefcase 名字为该课程的开课编号
ProgressHelper.SetProgress(5); // 进度 百分之5
DataTable classRecordTable = null; // 一张上课表 对应每一节课
DataRow classRecordRow = null;
classRecordTable = new DataTable("ClassStatus");
if (!classRecordTable.Columns.Contains("Table编号")) //这里算是一个BUG. 需要重新写.
{
classRecordTable.Columns.Add("Table编号", type: Type.GetType("System.String"));
classRecordTable.Columns.Add("课次", type: Type.GetType("System.String"));
classRecordTable.Columns.Add("签到情况", type: Type.GetType("System.String"));
classRecordTable.Columns.Add("离线数据提交情况", type: Type.GetType("System.String"));
}
newBriefcase.Properties.Add(GlobalParams.PropertiesLastModified,
DateTime.Now.ToString()); // 在briefcase中增加一个属性 用于记录最后一次更改的日期
newBriefcase.Properties.Add(GlobalParams.PropertiesTeacherName,
Properties.Settings.Default.UserName); //增加一个属性 用于记录教师姓名
ProgressHelper.SetProgress(6); // 进度 百分之6
newBriefcase.Properties.Add(GlobalParams.PropertiesTeacherID,
Properties.Settings.Default.UserId); // 增加一个属性 用于记录教师工号
newBriefcase.Properties.Add(GlobalParams.PropertiesPasswd,
offlinePasswd);//用于记录离线密码.
newBriefcase.Properties.Add(GlobalParams.PropertiesClassName,
kktable05.KKNAME);//增加一个属性 用于记录开课名称
newBriefcase.Properties.Add(GlobalParams.PropertiesLastCheckin,
"1"); //用于记录最后一次考勤的节次
ProgressHelper.SetProgress(10); //进度 百分之10
newBriefcase.Properties.Add(GlobalParams.PropertiesTotalStudentNumber,
kktable05.XXRS.ToString()); //增加一个属性 用于记录选学人数
IQueryable <XKTABLE_VIEWRO> xktableView1s =
from c in
remoteDataAdapter.GetTable <XKTABLE_VIEWRO>() where c.KKNO == kktable05.KKNO
select c; //构造LINQ语句 (选课表 XKTABLE_VIEWRO 学生信息)
ProgressHelper.SetProgress(20); //进度 百分之15
newBriefcase.AddTable(
OfflineHelper.TableListToDataTable
(xktableView1s.ToList(), "XKTABLE_VIEW1"));
// 将XKTABLE_VIEWRO(学生信息)放在briefcase里
IQueryable <SKTABLE_07_VIEW> sktableView1s =
from c in
remoteDataAdapter.GetTable <SKTABLE_07_VIEW>()
where c.KKNO == kktable05.KKNO && c.SKDATE > new DateTime(2014, 10, 14)
select c;//SKTABLE_07_view为教师的上课表.教师选择完课程之后需要选择节次.
//节次的来源即为该表. 一节课一条记录
//将大于10月14号的数据下载下来 10月14日之后的数据都是正常的数据.
//进度 百分之二十
newBriefcase.AddTable(OfflineHelper.TableListToDataTable(sktableView1s.ToList(),
"SKTABLE")); // 下载SKTABLE_07_VIEW 并将其添加进briefcase中 里面包含了课程的信息
//百分之20
ProgressHelper.SetProgress(20);
foreach (var sktableView1 in sktableView1s)
{ //开始遍历上课表,并根据SKNO(上课编号) 获取每一节课对应的DMTABLE_08_NOPIC_VIEW
Properties.Settings.Default.ProgressValue += 2; // 进度指示
IQueryable <DMTABLE_08_NOPIC_VIEW> dmtable08S = // 构造LINQ语句 此处算法应改进
from c in
remoteDataAdapter.GetTable <DMTABLE_08_NOPIC_VIEW>() where c.SKNO == sktableView1.SKNO
select c;//每一节课对应一张点名表
newBriefcase.AddTable(
OfflineHelper.TableListToDataTable(dmtable08S.ToList(),
sktableView1.SKNO.ToString()));//将点名表加入briefcase
classRecordRow = classRecordTable.NewRow();
//在课程记录表中新建一行记录. 包含该节课是否已经签到的标记
classRecordRow[0] = sktableView1.SKNO.ToString(); //上课编号
classRecordRow[1] = sktableView1.SKDATE.ToString(); //上课时间
if (sktableView1.SKZT == 0) //判断考勤状态 若已经完成考勤,则该堂课不能进行考勤工作.
{
classRecordRow[2] = GlobalParams.DidNotSigned;
classRecordRow[3] = GlobalParams.NotSubmitYet;
}
else
{
classRecordRow[2] = GlobalParams.Signed;
classRecordRow[3] = GlobalParams.Submitted;
}
classRecordTable.Rows.Add(classRecordRow); //将刚创建的这一行添加到表中.
}
ProgressHelper.SetProgress(80); // 进度条
newBriefcase.AddTable(classRecordTable); // 将用于记录每节课的表放在briefcase中
newBriefcase.WriteBriefcase(); //保存briefcase到硬盘上
Briefcase propertiesBriefcase =
new FileBriefcase(GlobalParams.PropertiesBriefcaseName, true);//true代表提前读取数据
DataTable propertiesTable =
propertiesBriefcase.FindTable("PropertiesTable");
//本地的打开properties表 向其中添加一条记录 properties表中包含了所有的已经离线的开课记录
DataRow propertiesRow = null; //创建一个记录变量
propertiesRow = propertiesTable.NewRow(); //new出来一条记录
propertiesRow[0] = kktable05.KKNO.ToString(); //开课编号
propertiesRow[1] = Properties.Settings.Default.UserName; //用户名
propertiesRow[2] = kktable05.KKNAME; //开课名称
DataRow[] dataRows =
propertiesTable.Select("开课编号 = '" + kktable05.KKNO.ToString() + "'");
//判断该课程是否已经添加进propertiestable中
if (dataRows.Length >= 1) // propertiestable已经有了该课程
{
foreach (var dataRow in dataRows)
{
dataRow.Delete();//删除该课程
}
propertiesTable.Rows.Add(propertiesRow);//添加该课程(更新)
}
else
{
propertiesTable.Rows.Add(propertiesRow); //添加该课程(新增)
}
ProgressHelper.SetProgress(90); //设置进度条
propertiesBriefcase.RemoveTable("PropertiesTable"); //移除propertiestable(必要的操作)
propertiesBriefcase.AddTable(propertiesTable); //添加propertiestable
propertiesBriefcase.WriteBriefcase(); //写入更改
ProgressHelper.SetProgress(100); //进度条显示100%
ProgressHelper.StopProgressThread(); //停止显示进度条窗口
ProgressHelper.SetProgress(0); //重置进度条窗口
MessageBox.Show(string.Format("操作成功 课程 【{0}】 已被下载 ",
kktable05.KKNAME));//弹窗提示
return(true);
}
/// <summary>
/// 将服务器的数据离线至本地
/// todo:老版本函数 需要重点测试
/// </summary>
/// <param name="offlinePasswd"></param>
/// <param name="checkedItem"></param>
public void ServerToBriefcase
(string offlinePasswd, CheckedListBox.SelectedObjectCollection checkedItem)
{
//int i = 0;// 用于显示进度条 已废弃
foreach (var jsandkktable05S in this.Context.JSANDKKVIEWRO)
{
try
{
bool flag = false;
foreach (JSANDKKVIEWRO jsandkkItem in checkedItem)
{
flag = (jsandkktable05S.KKNO == jsandkkItem.KKNO);
}
if (!flag)
{
continue; // 判断该课程是否选中
}
if (
!File.Exists(
string.Format(GlobalParams.CurrentOfflineDataFile, jsandkktable05S.KKNO.ToString()) +
".daBriefcase"))
{
// 判断当前下载课程是否存在
{
StartDownloadData(jsandkktable05S, offlinePasswd);
//i++;
}
}
else
{
DialogResult dr =
MessageBox.Show("课程“" + jsandkktable05S.KKNAME + "”的离线数据存在，要刷新离线数据吗？\n未提交的更改将会被删除",
"刷新本地离线数据", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
if (dr != DialogResult.OK)
{
continue;
}
DialogResult dr2 = MessageBox.Show("真的确定吗，未提交的数据将被永久删除", "刷新本地离线数据", MessageBoxButtons.OKCancel,
MessageBoxIcon.Question);
if (dr2 != DialogResult.OK)
{
continue;
}
File.Delete(
string.Format(GlobalParams.CurrentOfflineDataFile, jsandkktable05S.KKNO.ToString()) +
".daBriefcase");
StartDownloadData(jsandkktable05S, offlinePasswd); // 开始下载课程
//i++;
}
}
catch (Exception exception)
{
ProgressHelper.StopProgressThread();
ProgressHelper.SetProgress(0);
MessageBox.Show(exception.Message);
}
finally
{
ProgressHelper.StopProgressThread();
}
}
//判断班级表是否被下载 如果没下载 下载之
Briefcase propertiesBriefcase = new FileBriefcase(GlobalParams.PropertiesBriefcaseName, true);
DataTable classNameTable = null;
IQueryable <BJTABLE_09_VIEWRO> bjtable09Viewros =
from c in this.remoteDataAdapter.GetTable <BJTABLE_09_VIEWRO>() select c;
this.Context.BJTABLE_09_VIEWRO = bjtable09Viewros.ToList();
classNameTable = OfflineHelper.TableListToDataTable(bjtable09Viewros.ToList(), "ClassNameTable");
propertiesBriefcase.AddTable(classNameTable);
propertiesBriefcase.WriteBriefcase();
//return i;
}
/// <summary>
/// 用于下载数据时 briefcase的创建
/// 在确认下载数据后, 该函数会自动在properties briefcase中创建一条记录.
/// </summary>
/// <param name="kkrecord">一条开课记录</param>
/// <returns></returns>
public static FileBriefcase CreateBriefcase(JSANDKKVIEWRO kkrecord)
{
DialogResult dialogresault;
if (File.Exists(GlobalParams.BriefcasePath + kkrecord.KKNO + @".daBriefcase")) // 判断briefcase是否存在
{
dialogresault = new ConfirmBox("选定的课程 " + kkrecord.KKNAME + " 已经存在,\n还要下载该课程吗?").ShowDialog();
if (dialogresault == DialogResult.Cancel)
{
return(null);
}
dialogresault = new ConfirmBox("真的要下载该课程吗? \n未保存的数据将会被删除.").ShowDialog();
if (dialogresault == DialogResult.Cancel)
{
return(null);
}
dialogresault = new SetOfflinePasswdForm().ShowDialog(); // 显示离线密码框 指定离线密码
if (dialogresault == DialogResult.Cancel) // 如果用户点击取消的话
{
return(null);//返回null 在调用的位置需要进行判定.如果为null 则不下载课程
}//离线密码存在 Properties.Settings.Default.OffliePassword 里面.
File.Move(GlobalParams.BriefcasePath + kkrecord.KKNO + @".daBriefcase",
GlobalParams.BriefcasePath + kkrecord.KKNO + @".daBriefcase" + DateTime.Now.ToString("yyyymmmmddhhmmss")); // 若存在 则重命名该briefcase.
}
else
{
dialogresault = new SetOfflinePasswdForm().ShowDialog(); // 显示离线密码框 指定离线密码
if (dialogresault == DialogResult.Cancel) // 如果用户点击取消的话
{
return(null);//返回null 在调用的位置需要进行判定.如果为null 则不下载课程
}//离线密码存在 Properties.Settings.Default.OffliePassword 里面.
}
var briefcaseToReturn = new FileBriefcase(GlobalParams.BriefcasePath + kkrecord.KKNO + @".daBriefcase");
//返回的briefcase内为该门课程所有的数据 包括点名表 上课表 学生信息(选课表) 还有一个每节课信息(ClassStatus)
//指定Briefcase的属性
briefcaseToReturn.Properties.Add(GlobalParams.BpkCourseName, kkrecord.KKNAME); // 开课课程名称
briefcaseToReturn.Properties.Add(GlobalParams.BpkCourseNo, kkrecord.KKNO.ToString(CultureInfo.InvariantCulture)); //课程编号
briefcaseToReturn.Properties.Add(GlobalParams.BpkLastModifiedDate, "N/A"); //最后一次签到时间
briefcaseToReturn.Properties.Add(GlobalParams.BpkTeacherName, kkrecord.JSNAME); //教师姓名
briefcaseToReturn.Properties.Add(GlobalParams.BpkTeacherNo, kkrecord.JSID.ToString(CultureInfo.InvariantCulture)); // 教师编号
briefcaseToReturn.Properties.Add(GlobalParams.BpkPassword, Properties.Settings.Default.OffliePassword); //离线密码
var classInfoTable = new DataTable("ClassInfo");
// 里面应该存放每节课的信息. 该datatable应该放在对应课程的briefcase中 这个表是空的.将会在DataDownloadControl中对此表进行填充.
classInfoTable.Columns.Add("上课编号", typeof(string));
classInfoTable.Columns.Add("上课日期", typeof(string));
classInfoTable.Columns.Add("上课状态", typeof(string));
briefcaseToReturn.AddTable(classInfoTable); //添加上面创建的datatable
briefcaseToReturn.WriteBriefcase(); //写入硬盘
long xyid = Convert.ToInt64(kkrecord.XYID);
var propertiesBriefcase = InitPropertiesBriefcase(xyid);
//找出 properties briefcase 若properties不存在 该函数会自动创建一个propertiesbriefcase
//xyid用于下载班级定义表用的.因此
var courseInfoDataTable = propertiesBriefcase.FindTable("CourseInfo"); // 找到course info 表
if (!courseInfoDataTable.Select("课程编号='" + kkrecord.KKNO.ToString() + "'").Any()) //如果之前没下载过该课程的话
{
var courseInfoTableRow = courseInfoDataTable.NewRow(); //新建一行记录
courseInfoTableRow["课程名称"] = kkrecord.KKNAME; //添加课程名称
courseInfoTableRow["课程编号"] = kkrecord.KKNO.ToString(CultureInfo.InvariantCulture); //添加课程编号
courseInfoDataTable.Rows.Add(courseInfoTableRow); //将新创建的一行加入课程信息表中
propertiesBriefcase.AddTable(courseInfoDataTable); //将课程信息存到Properties Briefcase中
propertiesBriefcase.WriteBriefcase(); //写入更改
}
return(briefcaseToReturn);
}