// 查看作业公告详情点击跳转事件
private void btnCheckDetail_Click(object sender, RoutedEventArgs e)
{
System.Windows.Controls.Button sonBtn = (System.Windows.Controls.Button)sender; //获取当前点击的那个按钮
//获取父级元素，找到要进入的公告
Grid sonGrid = (Grid)sonBtn.Parent;
BreifHomework clickTeachClass = (BreifHomework)sonGrid.Parent;
//获得当前点击按钮对应的作业标题和作业描述
string homeworkTitle = clickTeachClass.title.Content.ToString();
//string homeworkDescription = clickTeachClass.description.Content.ToString();
string teacherSpecId = lbTeacherInfo.Text.ToString();
string teacherName = lbTeacherInfo1.Text.ToString();
string classSpecId = labelCourseNumber.Content.ToString();
string className = labelCourseName.Content.ToString();
//从数据库中查找作业描述
DataTable tbClassId = ts.getClassId(classSpecId);
String NotDesp = ts.getNotDespByClassIdAndNotTitle(tbClassId.Rows[0][0].ToString(), homeworkTitle);
string homeworkDescription = NotDesp;
//生成新界面
CheckingClassHomework newCheckingClassHomework = new CheckingClassHomework(homeworkTitle, homeworkDescription, teacherSpecId, teacherName, classSpecId, className, this.pngfile);
newCheckingClassHomework.pngfile = this.pngfile;
newCheckingClassHomework.Show();
this.Visibility = System.Windows.Visibility.Hidden;
}
//构造函数
public BreifView(string courseNum, string courseName, string tId, string tName, string pgfile)
{
//生成基本信息
InitializeComponent();
this.pngfile = pgfile;
//设置该img控件的Source
headImage.Source = new BitmapImage(new Uri(System.IO.Path.GetFullPath(System.IO.Path.Combine(System.Environment.CurrentDirectory, @pngfile))));
labelCourseName.Content = courseName;
labelCourseNumber.Content = courseNum;
lbTeacherInfo.Text = tId;
lbTeacherInfo1.Text = tName;
//从数据库中查找目前该课堂已经的布置作业
DataTable table = ts.getNotice(courseNum); //有问题
//MessageBox.Show(table.Rows[3][0].ToString());
////动态生成控件
BreifHomework[] arrayBreifHomework = new BreifHomework[20];
for (int i = 0; i < table.Rows.Count; i++)
{
arrayBreifHomework[i] = new BreifHomework();
arrayBreifHomework[i].Name = "arrayHk" + i.ToString();
//加载作业标题
arrayBreifHomework[i].title.Content = table.Rows[i][7].ToString();
//加载作业描述
//如果作业描述很长的话只显示10个
if (table.Rows[i][4].ToString().Length > 30)
{
arrayBreifHomework[i].description.Content = table.Rows[i][4].ToString().Substring(0, 30) + "...";//将作业内容content值显示在对应的控件中
}
else
{
arrayBreifHomework[i].description.Content = table.Rows[i][4].ToString();//不超过10条就全部展示
}
//加在canvas里面
//arrayHomk.Children.Add(arrayBreifHomework[i]);
homeworkListView.Items.Add(arrayBreifHomework[i]);
//定义点击删除按钮时的事件
arrayBreifHomework[i].btnDelete.Click += new RoutedEventHandler(btnDelete_Click);
//定义修改公告按钮的操作
arrayBreifHomework[i].btnModify.Click += new RoutedEventHandler(btnModify_Click);
//定义点击查看作业公告详情按钮
arrayBreifHomework[i].btnCheckDetail.Click += new RoutedEventHandler(btnCheckDetail_Click);
}
}
//删除作业公告按钮点击事件
private void btnDelete_Click(object sender, RoutedEventArgs e)
{
//删除服务器上的作业附件
//需要把所有学生表里的作业都删掉
//首先根据课堂具体工号找到classId
//然后找到该classId下title对应的notId
//然后执行删除公告操作（业务层），在该业务层需要先删除作业附件，再调用删除作业表上的所有作业，再删除所有作业公告
MessageBoxResult dr = System.Windows.MessageBox.Show("此操作将会导致该公告所有已交作业被删除，是否确定删除该作业？", "", MessageBoxButton.OKCancel, MessageBoxImage.Question);
if (dr == MessageBoxResult.OK)
{
System.Windows.Controls.Button sonBtn = (System.Windows.Controls.Button)sender; //获取当前点击的那个具体作业
//获取父级元素，找到要删除的公告
Grid sonGrid = (Grid)sonBtn.Parent;
BreifHomework clickTeachClass = (BreifHomework)sonGrid.Parent;
DataTable tableClassId = ts.getClassId(labelCourseNumber.Content.ToString());
DataTable tableNotId = ts.getNotIdByClassIdAndNotTitle(clickTeachClass.title.Content.ToString(), Convert.ToInt32(tableClassId.Rows[0][0]));
int stuNum = int.Parse(ts.getStuNum(tableClassId.Rows[0][0].ToString()));
if (stuNum == 0)
{
bool flag0 = ts.deleteNotice(tableNotId.Rows[0][0].ToString()); //学生人数为0，可以直接删除
if (flag0 == true)
{
System.Windows.MessageBox.Show("删除成功");
homeworkListView.Items.Remove(clickTeachClass);
}
else
{
System.Windows.MessageBox.Show("删除失败");
}
}
else
{
String ifDelete = ts.deleteHomeworkNotice(labelCourseNumber.Content.ToString(), clickTeachClass.title.Content.ToString()); //删除时要考虑到与作业表级联删除的情况
if (ifDelete == "删除该作业公告成功")
{
System.Windows.MessageBox.Show("删除该作业公告成功");
homeworkListView.Items.Remove(clickTeachClass);
}
else
{
System.Windows.MessageBox.Show(ifDelete);
}
}
}
}
//修改作业公告按钮点击事件
private void btnModify_Click(object sender, RoutedEventArgs e)
{
TeacherService.TService ts = new TeacherService.TService();
System.Windows.Controls.Button sonBtn = (System.Windows.Controls.Button)sender; //获取当前点击的那个
Grid sonGrid = (Grid)sonBtn.Parent;
BreifHomework clickTeachClass = (BreifHomework)sonGrid.Parent;
//获取父级元素
DateTime dt = ts.getPreviousDateTime(labelCourseNumber.Content.ToString(), clickTeachClass.title.Content.ToString());
//获取当前作业的作业截止时间
// 打开子窗体
AnnounceNotice newAnnounceNotice = new AnnounceNotice(lbTeacherInfo.Text.ToString(), lbTeacherInfo1.Text.ToString(), labelCourseNumber.Content.ToString()
, labelCourseName.Content.ToString(), clickTeachClass.title.Content.ToString(), clickTeachClass.description.Content.ToString(), dt, this.pngfile);
newAnnounceNotice.Show();
this.Visibility = System.Windows.Visibility.Hidden;
}
