frmteacherinfoselect.cs

学生类：Student 教师类：Teacher 主任：AdminTeacher 班主任：MasterTeacher 授课老师： PrelectTeacher 班级类：classTeam 班

				else if(Mteacher != null)
				{
					return Mteacher;
				}
				else
				{
					return Pteacher;
				}
			}
		}

		//订阅“邮递员”
		private void Post_EventSendLoginedID(object obj, object teacher, string formName)
		{	
			if(teacher.GetType().ToString().Equals("BusinessRule.AdminTeacher"))
			{
				this.Ateacher = (AdminTeacher)teacher;
			}
			else if(teacher.GetType().ToString().Equals("BusinessRule.MasterTeacher"))
			{
				this.Mteacher = (MasterTeacher)teacher;
			}
			else
			{
				this.Pteacher = (PrelectTeacher)teacher;
			}
			Post.EventSendLoginedID -= new DataAccess.Post.SendMsgDelegate(Post_EventSendLoginedID);
		}

		//窗体加载事件
		private void frmTeacherInfoSelect_Load(object sender, System.EventArgs e)
		{
			SqlDataReader myRd;
			string select;
			//初始化“教师编号”组合框
			cboTeaID.Items.Add("全部教师");

			myRd = this.User.GetAllTeaID();
			while(myRd.Read())
			{
				cboTeaID.Items.Add(myRd[0].ToString());
			}

			//初始化“教师姓名”组合框
			cboTeaName.Items.Add("全部教师");

			myRd = this.User.GetAllTeaName();
			while(myRd.Read())
			{
				cboTeaName.Items.Add(myRd[0].ToString());
			}

			//初始化“班级编号”组合框
			cboClaID.Items.Add("全部教师");
			myRd = this.User.GetAllClaID();
			while(myRd.Read())
			{
				cboClaID.Items.Add(myRd[0].ToString());
			}
			//指定DataGrid控件快捷菜单
			dbgTeacherInfo.ContextMenu = mnuCon;
		}

		//查询
		private void btnSelect_Click(object sender, System.EventArgs e)
		{
			if(this.radTeaID.Checked)
			{
				string teaID = this.cboTeaID.Text.Trim();
				if(teaID.Equals(""))
				{
					MessageBox.Show("请输入教师编号","查询条件为空",MessageBoxButtons.OK,MessageBoxIcon.Error);
					return;
				}
				else if(cboTeaID.Text.Trim().Equals("全部教师"))
				{
					myDt = this.User.GetAllTeaInfo();
				}
				else
				{
					myDt = this.User.GetTeaInfoByTeaID(int.Parse(teaID));
				}
			}
			else if(this.radTeaName.Checked)
			{
				string teaName = this.cboTeaName.Text.Trim();
				if(teaName.Equals(""))
				{
					MessageBox.Show("请输入教师姓名","查询条件为空",MessageBoxButtons.OK,MessageBoxIcon.Error);
					return;
				}
				else if(cboTeaName.Text.Trim().Equals("全部教师"))
				{
					myDt = this.User.GetAllTeaInfo();
				}
				else
				{
					myDt = this.User.GetTeaInfoByTeaName(teaName);
				}
			}
			else if(this.radClaID.Checked)
			{
				string claID = this.cboClaID.Text.Trim();
				if(claID.Equals(""))
				{
					MessageBox.Show("请输入班级编号","查询条件为空",MessageBoxButtons.OK,MessageBoxIcon.Error);
					return;
				}
				else if(cboClaID.Text.Trim().Equals("全部教师"))
				{
					myDt = this.User.GetAllTeaInfo();
				}
				else
				{
					myDt = this.User.GetTeaInfoByClaID(claID);
				}
			}
			else
			{
				string course = txtCourse.Text.Trim();
				if(course.Equals(""))
				{
					MessageBox.Show("请输入班级编号","查询条件为空",MessageBoxButtons.OK,MessageBoxIcon.Error);
					return;
				}
				else
				{
					myDt = this.User.GetTeaInfoByTeaCourse(course);
				}
			}

			myDt.TableName = "TeacherInfo";
			if(myDt.Rows.Count == 0)
			{
				MessageBox.Show("抱歉，没有找到相关记录","查询结果",MessageBoxButtons.OK,MessageBoxIcon.Information);
				btnUpdate.Enabled = false;
			}
			else
			{
				btnUpdate.Enabled = true;
			}
			
			dbgTeacherInfo.DataSource = myDt;
			jimmy.CreateTeacherInfoStyle(dbgTeacherInfo,myDt.TableName);
			dbgTeacherInfo.CaptionText = "教师基本信息      共搜索到 " + myDt.Rows.Count.ToString() + " 条记录";
			first = 1;
			
		}

		

	

		//更新窗体的方法
		private void refreshForm()
		{
		

		}

		//退出
		private void btnExit_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		


		#region 单击单选按钮，调整相应控件可用性
		//教师编号
		private void radTeaID_CheckedChanged(object sender, System.EventArgs e)
		{
			cboTeaID.Enabled = true;
			cboTeaName.Enabled = false;
			cboClaID.Enabled = false;
			txtCourse.Enabled = false;
		}
		//教师姓名
		private void radTeaName_CheckedChanged(object sender, System.EventArgs e)
		{
			cboTeaID.Enabled = false;
			cboTeaName.Enabled = true;
			cboClaID.Enabled = false;
			txtCourse.Enabled = false;
		}
		//班级编号
		private void radClaID_CheckedChanged(object sender, System.EventArgs e)
		{
			cboTeaID.Enabled = false;
			cboTeaName.Enabled = false;
			cboClaID.Enabled = true;
			txtCourse.Enabled = false;
		}
		//所受课程
		private void radCourse_CheckedChanged(object sender, System.EventArgs e)
		{
			cboTeaID.Enabled = false;
			cboTeaName.Enabled = false;
			cboClaID.Enabled = false;
			txtCourse.Enabled = true;
		}
		#endregion

		#region 所有查询条件的编辑控件，均支持直接回车进行查询
		//教师编号
		private void cboTeaID_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if(e.KeyChar == (char)13 )
			{
				btnSelect_Click(sender,e);
			}
		}
		//教师姓名
		private void cboTeaName_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if(e.KeyChar == (char)13 )
			{
				btnSelect_Click(sender,e);
			}
		}
		//班级编号
		private void cboClaID_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if(e.KeyChar == (char)13 )
			{
				btnSelect_Click(sender,e);
			}
		}
		//所授课程
		private void txtCourse_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e)
		{
			if(e.KeyChar == (char)13 )
			{
				btnSelect_Click(sender,e);
			}
		}
		#endregion 

		#region 右键快捷菜单控制
		//右键快捷菜单控制，确定鼠标点击位置
		private void dbgTeacherInfo_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
		{
			pointDbgTeacherInfo = new Point(e.X,e.Y);
			if(e.Button == MouseButtons.Right)
			{

				//如果未从数据库中读取信息，则菜单“搜索”、“关闭”项不可用
				if(dbgTeacherInfo.DataSource == null)
				{			
					mnuCon.MenuItems[2].Enabled = false;
					mnuCon.MenuItems[3].Enabled = false;			
					return;
				}

				DataGrid myGrid = (DataGrid)sender;
				DataGrid.HitTestInfo hti;
				hti = myGrid.HitTest(pointDbgTeacherInfo);
				switch(hti.Type)
				{
						//以下只可以进行通用操作
					case DataGrid.HitTestType.None:				//选中背景
					case DataGrid.HitTestType.ColumnHeader:		//选中列标题
					case DataGrid.HitTestType.Caption:			//选中控件标题框
						mnuCon.MenuItems[2].Enabled = false;
						mnuCon.MenuItems[3].Enabled = false;
						break;
						//以下菜单可以操作所有项
					case DataGrid.HitTestType.Cell:				//选中单元格
					case DataGrid.HitTestType.RowHeader:		//选中行标题
						for(int i = 0;i<mnuCon.MenuItems.Count;i++)
						{
							mnuCon.MenuItems[i].Enabled = true;
						}
						//取消当前所选中的行的选定
						dbgTeacherInfo.UnSelect(dbgTeacherInfo.CurrentRowIndex);
						//确定当前操作的行
						dbgTeacherInfo.CurrentCell = new DataGridCell(hti.Row,hti.Column);
						//设置指定行的选定
						dbgTeacherInfo.Select(hti.Row); 
						break;
				}
			}
		}
		//搜索教师信息菜单
		private void mnuConSelect_Click(object sender, System.EventArgs e)
		{
			btnSelect_Click(sender,e);
		}
		//查看教师图片菜单
		private void mnuConTeaPicture_Click(object sender, System.EventArgs e)
		{
			btnPicture_Click(sender,e);
		}
		//修改教师信息菜单
		private void mnuConChance_Click(object sender, System.EventArgs e)
		{
			btnUpdate_Click(sender,e);
		}
		//新建教师信息菜单
		private void mnuConNewTeacher_Click(object sender, System.EventArgs e)
		{
			btnAdd_Click(sender,e);
		}
		//关闭菜单
		private void mnuConClose_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
		#endregion

	

		//双击行标题支持直接进入修改教师信息页面
		private void dbgTeacherInfo_DoubleClick(object sender, System.EventArgs e)
		{
			DataGrid myGrid = (DataGrid)sender;
			DataGrid.HitTestInfo hti;
			hti = myGrid.HitTest(pointDbgTeacherInfo);
			if(hti.Type == DataGrid.HitTestType.RowHeader)
			{
				btnUpdate_Click(sender,e);
			}
		}

		//修改教师信息按键
		private void btnUpdate_Click(object sender, System.EventArgs e)
		{
			frmTeacherInfo myTeaInfo = new frmTeacherInfo();
			Post.DoSendLoginedID(myDt.Rows[dbgTeacherInfo.CurrentRowIndex]["teaID"],this.User,"frmTeacherInfoSelect");
			myTeaInfo.MdiParent = this.MdiParent;
			myTeaInfo.Show();
		}

		//添加教师信息按键
		private void btnAdd_Click(object sender, System.EventArgs e)
		{
			frmTeacherInfo TeacherInfo = new frmTeacherInfo();
			Post.DoSendLoginedID(10000,this.User,"frmTeacherInfoSelect");
			TeacherInfo.MdiParent = this.ParentForm;
			TeacherInfo.Show();
		}

		//查看教师图片按键
		private void btnPicture_Click(object sender, System.EventArgs e)
		{
			frmPicture Picture = new frmPicture();
			Post.DoSendLoginedID(myDt.Rows[dbgTeacherInfo.CurrentRowIndex]["teaID"],this.User,"frmTeacherInfoSelect");
			Picture.MdiParent = this.ParentForm;
			Picture.Show();
		}

		//更新显示信息 
		private void frmTeacherInfoSelect_Activated(object sender, System.EventArgs e)
		{
			if(first == 1)
			{
				btnSelect_Click(sender,e);
			}
		}	
	}
}