studytimetabledlg.cpp

这是一个学生信息管理系统

		}
		else
		{
			if(m_pSet.GetRecordCount ()==0)
		   {
			   m_iCourseAmount=i;
			   CString s;
			   s.Format (L"%d",m_iCourseAmount);
			   SetDlgItemText(IDC_COURSEAMOUNT_STATIC,s);//显示
			   MessageBox(L"\n不存在这样的记录！\n",L"提示",MB_ICONEXCLAMATION);
			   m_pSet.Close ();
			   return ;
		   }
		   m_pSet.MoveFirst ();
	       while (!m_pSet.IsEOF ())
	       { 
               m_cCourseListCtrl.InsertItem(i,(CString)m_pSet.m_cName ,0);
               m_cCourseListCtrl.SetItemText (i,1,(CString)m_pSet.m_cTeacherName );
		       m_cCourseListCtrl.SetItemText (i,2,(CString)m_pSet.m_cTime );
		       m_cCourseListCtrl.SetItemText (i,3,(CString)m_pSet.m_cPlace );
		       s.Format (L"%d",m_pSet.m_cCredit);
		       m_cCourseListCtrl.SetItemText (i,4,s );
		       s.Format (L"%d",m_pSet.m_cTerm );
		       m_cCourseListCtrl.SetItemText (i,5,s);
		       m_cCourseListCtrl.SetItemText (i,6,(CString)m_pSet.m_cKind );
		       m_cCourseListCtrl.SetItemText (i,7,(CString)m_pSet.m_cExamTime );
		       m_cCourseListCtrl.SetItemText (i,8,(CString)m_pSet.m_cRemark );
		       s.Format (L"%d",m_pSet.m_cId );
		       m_cCourseListCtrl.SetItemText (i,9,s);
               i++;
			   m_pSet.MoveNext ();
	       }
	       m_pSet.Close ();
		   //现在在右边显示个数
			if(i==0)
		   {
			   m_iCourseAmount=i;
			   CString s;
			   s.Format (L"%d",m_iCourseAmount);
			   SetDlgItemText(IDC_COURSEAMOUNT_STATIC,s);//显示
			   MessageBox(L"\n不存在这样的记录！\n",L"提示",MB_ICONEXCLAMATION);
			   m_pSet.Close ();
			   return ;
		   }
	       m_iCourseAmount=i;
	       CString s;
	       s.Format (L"%d",m_iCourseAmount);
	       SetDlgItemText(IDC_COURSEAMOUNT_STATIC,s);//显示
		}
	}
}
void CStudyTimetableDlg::OnBnClickedStudyCourseSearchBt()
{
	// TODO: 在此添加控件通知处理程序代码
	Search();
}

void CStudyTimetableDlg::Delete ()
{
	POSITION pos = m_cCourseListCtrl.GetFirstSelectedItemPosition();
    if (pos == NULL)
	{
		MessageBox(L"\n你没有选中任何一个项目，不可以删除！\n",L"提示",MB_ICONEXCLAMATION);
	}
    else
   {
	   if(MessageBox(L"\n此操作将永久删除该项，确定吗？\n",L"删除提醒",MB_OKCANCEL|MB_ICONQUESTION|MB_DEFBUTTON2)==IDCANCEL)
		   return ;
	   while (pos)
      {
		  int nItem = m_cCourseListCtrl.GetNextSelectedItem(pos);
		  CString str;
		  str="Select * from Course order by cTerm";
	      m_pSet.Open (AFX_DB_USE_DEFAULT_TYPE,str);
		  //获取该单词
		  int m_iId;
		  m_iId=_ttol(m_cCourseListCtrl.GetItemText (nItem,9));
		  m_pSet.m_strFilter.Empty ();
		  m_pSet.MoveFirst ();//刚开始移动到第一个位置
		  while(!m_pSet.IsEOF ())
		  {
			  if(m_iId ==m_pSet.m_cId )
			  {
				  m_pSet.Delete ();
				  break;
			  }
			  m_pSet.MoveNext ();
		  }		 
		  if(!m_pSet.IsDeleted ())
		  {
			  MessageBox(L"\n删除失败！\n",L"错误", MB_ICONSTOP);
			  return ;
		  }
		  m_pSet.MoveNext ();
		  //数据库删除成功后就删除列表了
		  m_cCourseListCtrl.DeleteItem (nItem);
		  m_pSet.Close ();
		  //现在在右边显示个数
	      m_iCourseAmount--;
	      CString s;
	      s.Format (L"%d",m_iCourseAmount);
	      SetDlgItemText(IDC_COURSEAMOUNT_STATIC,s);//显示
      }
   }
}
void CStudyTimetableDlg::OnBnClickedStudyCourseDeleteBt()
{
	// TODO: 在此添加控件通知处理程序代码
	Delete();
}

void CStudyTimetableDlg::Print ()
{
	// TODO: 在此添加控件通知处理程序代码
	if(m_cCourseListCtrl.GetItemCount()<= 0)
	{
		MessageBox(L"\n打印列表为空！\n",L"提示",MB_ICONEXCLAMATION);
		return;
	}
	PRNINFO PrnInfo = {0};
	PrnInfo.hListView = m_cCourseListCtrl.m_hWnd;
	PrnInfo.hWnd = this->m_hWnd;
	PrnInfo.IsPrint = FALSE;
	PrnInfo.nCurPage = 1;
	PrnInfo.nMaxLine = m_cCourseListCtrl.GetItemCount();
	
	CPreParentDlg DlgPreView;
	DlgPreView.SetCallBackFun(DrawInfo, PrnInfo);
	DlgPreView.DoModal();
}
void CStudyTimetableDlg::OnBnClickedStudyCoursePrintBt()
{
	Print();
}
//打印
HCURSOR CStudyTimetableDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}
//
void CStudyTimetableDlg::DrawInfo(CDC &memDC, PRNINFO PrnInfo) 
{
     PrintCourse(memDC,PrnInfo);
}

HBRUSH CStudyTimetableDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	// TODO:  在此更改 DC 的任何属性
	if(m_bColor)//如果用系统的，则直接返回
		return hbr;
	pDC->SetTextColor (m_RGB_CtrlColor);
	pDC->SetBkMode(BKMODE_LAST);pDC->SetBkColor (m_RGB_BkColor);
	return (HBRUSH)m_brush.GetSafeHandle ();
	// TODO:  如果默认的不是所需画笔，则返回另一个画笔
//	return hbr;
}

void CStudyTimetableDlg::OnHdnItemclickStudyCourseList(NMHDR *pNMHDR, LRESULT *pResult)
{
	BeginWaitCursor();
	LPNMHEADER phdr = reinterpret_cast<LPNMHEADER>(pNMHDR);
	// TODO: 在此添加控件通知处理程序代码
	CDataClass DataClass;
    int nCount=m_cCourseListCtrl.GetItemCount ();//列表中的个数
	if(nCount==0)
	{
		EndWaitCursor();
		return ;
	}
	DataClass.Init (nCount);//初始化类对象
	for(int i=0; i<nCount; i++)
	{
		DataClass.m_Data [i].m_sCol_1 =m_cCourseListCtrl.GetItemText (i,0);
		DataClass.m_Data [i].m_sCol_2 =m_cCourseListCtrl.GetItemText (i,1);
		DataClass.m_Data [i].m_sCol_3 =m_cCourseListCtrl.GetItemText (i,2);
		DataClass.m_Data [i].m_sCol_4 =m_cCourseListCtrl.GetItemText (i,3);
		DataClass.m_Data [i].m_sCol_5 =m_cCourseListCtrl.GetItemText (i,4);
		DataClass.m_Data [i].m_sCol_6 =m_cCourseListCtrl.GetItemText (i,5);
		DataClass.m_Data [i].m_sCol_7 =m_cCourseListCtrl.GetItemText (i,6);
		DataClass.m_Data [i].m_sCol_8 =m_cCourseListCtrl.GetItemText (i,7);
		DataClass.m_Data [i].m_sCol_8 =m_cCourseListCtrl.GetItemText (i,8);
		DataClass.m_Data [i].m_sId    =m_cCourseListCtrl.GetItemText (i,9);
	}//初始化完毕
	//现在排序
	int nSelectCol=phdr->iItem ;
	switch(nSelectCol)
	{
	case 0:
		DataClass.SortDataByCol_1 (m_bSortUp,0);
		break;
	case 1:
		DataClass.SortDataByCol_2 (m_bSortUp,0);
		break;
	case 2:
		DataClass.SortDataByCol_3 (m_bSortUp,0);
		break;
	case 3:
		DataClass.SortDataByCol_4 (m_bSortUp,0);
		break;
	case 4:
		DataClass.SortDataByCol_5 (m_bSortUp,0);
        break;
	case 5:
		DataClass.SortDataByCol_6 (m_bSortUp,0);
		break;
	case 6:
		DataClass.SortDataByCol_7 (m_bSortUp,0);
		break;
	case 7:
		DataClass.SortDataByCol_8 (m_bSortUp,0);
        break;
	case 8:
		DataClass.SortDataByCol_9 (m_bSortUp,0);
        break;
	default:break;
	}
	//现在把排好序的放回列表
	//先删除
	m_cCourseListCtrl.DeleteAllItems ();
	for(int j=0; j<nCount; j++)
	{
		m_cCourseListCtrl.InsertItem(j,DataClass.m_Data [j].m_sCol_1  ,0);
		m_cCourseListCtrl.SetItemText (j,1,DataClass.m_Data [j].m_sCol_2 );
		m_cCourseListCtrl.SetItemText (j,2,DataClass.m_Data [j].m_sCol_3 );
		m_cCourseListCtrl.SetItemText (j,3,DataClass.m_Data [j].m_sCol_4 );
		m_cCourseListCtrl.SetItemText (j,4,DataClass.m_Data [j].m_sCol_5 );
		m_cCourseListCtrl.SetItemText (j,5,DataClass.m_Data [j].m_sCol_6 );
		m_cCourseListCtrl.SetItemText (j,6,DataClass.m_Data [j].m_sCol_7 );
		m_cCourseListCtrl.SetItemText (j,7,DataClass.m_Data [j].m_sCol_8 );
		m_cCourseListCtrl.SetItemText (j,8,DataClass.m_Data [j].m_sCol_9 );
		m_cCourseListCtrl.SetItemText (j,9,DataClass.m_Data [j].m_sId );
	}
	*pResult = 0;
	if(m_bSortUp)
		m_bSortUp=false;
	else
		m_bSortUp=true;
	EndWaitCursor();
}

void CStudyTimetableDlg::OnCourseAll()
{
	// TODO: 在此添加命令处理程序代码
	ViewAll();
	Invalidate();
}

void CStudyTimetableDlg::OnCourseKind()
{
	// TODO: 在此添加命令处理程序代码
	Kind();
	Invalidate();
}

void CStudyTimetableDlg::OnCourseAdd()
{
	// TODO: 在此添加命令处理程序代码
	Add();
	Invalidate();
}

void CStudyTimetableDlg::OnCourseUpdate()
{
	// TODO: 在此添加命令处理程序代码
	Update();
	Invalidate();
}

void CStudyTimetableDlg::OnCourseDelete()
{
	// TODO: 在此添加命令处理程序代码
	Delete();
	Invalidate();
}

void CStudyTimetableDlg::OnCourseSearch()
{
	// TODO: 在此添加命令处理程序代码
	Search();
	Invalidate();
}

void CStudyTimetableDlg::OnCoursePrint()
{
	// TODO: 在此添加命令处理程序代码
	Print();
	Invalidate();
}

void CStudyTimetableDlg::OnContextMenu(CWnd* pWnd, CPoint point)
{
	// TODO: 在此处添加消息处理程序代码
	CMenu menu;
    CPoint pos=point;
	ScreenToClient(&pos);
	CRect rect;
	GetClientRect(&rect);
	if(rect.PtInRect (pos))
	{
	menu.LoadMenu(IDR_STUDY_COURSE_MENU);
	menu.GetSubMenu (0)->TrackPopupMenu (TPM_LEFTALIGN|TPM_RIGHTBUTTON, point.x, point.y, this);
	return ;
	}
	CWnd::OnContextMenu (pWnd,point);
}

void CStudyTimetableDlg::OnTimer(UINT_PTR nIDEvent)
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值
	POSITION pos = m_cCourseListCtrl.GetFirstSelectedItemPosition();
    if (pos != NULL)//如果有列表项被选中
	{
		m_bItemClick=true;
		m_cDeleteBt.EnableWindow (true);
		m_cUpdateBt.EnableWindow (true);
	}
	else
	{
		m_bItemClick=false;
		m_cDeleteBt.EnableWindow (false);
		m_cUpdateBt.EnableWindow (false);
	}
	if(m_iCourseAmount!=0)
	{
		m_cPrintBt.EnableWindow (true);
	}
	else
	{
		m_cPrintBt.EnableWindow (false);
	}
	CDialog::OnTimer(nIDEvent);
}

void CStudyTimetableDlg::OnUpdateCourseUpdate(CCmdUI *pCmdUI)
{
	// TODO: 在此添加命令更新用户界面处理程序代码
	if(m_bItemClick)
	   pCmdUI->Enable (true);
	else		
	   pCmdUI->Enable(false);
}

void CStudyTimetableDlg::OnUpdateCourseDelete(CCmdUI *pCmdUI)
{
	// TODO: 在此添加命令更新用户界面处理程序代码
	if(m_bItemClick)
		pCmdUI->Enable (true);
	else
		pCmdUI->Enable(false);
}

void CStudyTimetableDlg::OnUpdateCoursePrint(CCmdUI *pCmdUI)
{
	// TODO: 在此添加命令更新用户界面处理程序代码
	UpdateData();
	if(m_iCourseAmount!=0)
	{
		pCmdUI->Enable (true);		
	}
	else
	{
		pCmdUI->Enable (false);
	}
}
void CStudyTimetableDlg::OnClose()
{
	// TODO: 在此添加消息处理程序代码和/或调用默认值

	KillTimer(1);
	CDialog::OnClose();
}

void CStudyTimetableDlg::OnInitMenuPopup(CMenu *pPopupMenu, UINT nIndex,BOOL bSysMenu)
{   
	ASSERT(pPopupMenu != NULL);    // Check the enabled state of various menu items.    
    CCmdUI state;    
	state.m_pMenu = pPopupMenu;    
	ASSERT(state.m_pOther == NULL);    
	ASSERT(state.m_pParentMenu == NULL);    // Determine if menu is popup in top-level menu and set m_pOther to    
	// it if so (m_pParentMenu == NULL indicates that it is secondary popup).    
	HMENU hParentMenu;    
	if (AfxGetThreadState()->m_hTrackingMenu == pPopupMenu->m_hMenu)        state.m_pParentMenu = pPopupMenu;   
	// Parent == child for tracking popup.    
	else if ((hParentMenu = ::GetMenu(m_hWnd)) != NULL)    
	{        
		CWnd* pParent = this;           
		// Child windows don't have menus--need to go to the top!       
		if (pParent != NULL &&(hParentMenu = ::GetMenu(pParent->m_hWnd)) != NULL)        
		{           
			int nIndexMax = ::GetMenuItemCount(hParentMenu);          
			for (int nIndex = 0; nIndex < nIndexMax; nIndex++)           
			{            
				if (::GetSubMenu(hParentMenu, nIndex) == pPopupMenu->m_hMenu)            
				{               
					// When popup is found, m_pParentMenu is containing menu.                
					state.m_pParentMenu = CMenu::FromHandle(hParentMenu);                
					break;            
				}           
			}        
		}    
	}    
	state.m_nIndexMax = pPopupMenu->GetMenuItemCount();    
	for (state.m_nIndex = 0; state.m_nIndex < state.m_nIndexMax;      
		state.m_nIndex++)    
	{        
		state.m_nID = pPopupMenu->GetMenuItemID(state.m_nIndex);        
		if (state.m_nID == 0)           
			continue; // Menu separator or invalid cmd - ignore it.        
		ASSERT(state.m_pOther == NULL);        
		ASSERT(state.m_pMenu != NULL);        
		if (state.m_nID == (UINT)-1)        
		{           
			// Possibly a popup menu, route to first item of that popup.          
			state.m_pSubMenu = pPopupMenu->GetSubMenu(state.m_nIndex);  
			if (state.m_pSubMenu == NULL||(state.m_nID = state.m_pSubMenu->GetMenuItemID(0)) == 0 ||state.m_nID == (UINT)-1)           
			{            
				continue;       // First item of popup can't be routed to.           
			}           
			state.DoUpdate(this, TRUE);   // Popups are never auto disabled.       
		}        
		else        
		{           // Normal menu item.           
			// Auto enable/disable if frame window has m_bAutoMenuEnable           
			// set and command is _not_ a system command.           
			state.m_pSubMenu = NULL;           
			state.DoUpdate(this, FALSE);        
		}        
		// Adjust for menu deletions and additions.        
		UINT nCount = pPopupMenu->GetMenuItemCount();        
		if (nCount < state.m_nIndexMax)        
		{           
			state.m_nIndex -= (state.m_nIndexMax - nCount);           
			while (state.m_nIndex < nCount &&            
				pPopupMenu->GetMenuItemID(state.m_nIndex) == state.m_nID) 
			{            
				state.m_nIndex++;          
			}        
		}        
		state.m_nIndexMax = nCount;    
	}
}