pasbuilddlg.cpp

文件管理数据库

// PasBuildDlg.cpp : implementation file
//

#include "stdafx.h"
#include "VirtualTeacher.h"
#include "PasBuildDlg.h"

#include "COMDEF.H"
#include "Columns.h"
#include "Column.h"
#include "PasEditDlg.h"
#include "_recordset.h"
#include "Passages.h"

extern CUsers curUser;

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CPasBuildDlg dialog


CPasBuildDlg::CPasBuildDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPasBuildDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPasBuildDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CPasBuildDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPasBuildDlg)
	DDX_Control(pDX, IDC_TYPE_COMBO, m_combo);
	DDX_Control(pDX, IDC_TREE1, m_tree);
	DDX_Control(pDX, IDC_ADODC1, m_Adodc);
	DDX_Control(pDX, IDC_DATAGRID1, m_datagrid);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CPasBuildDlg, CDialog)
	//{{AFX_MSG_MAP(CPasBuildDlg)
	ON_BN_CLICKED(IDC_ADD_BUTTON, OnAddButton)
	ON_BN_CLICKED(IDC_MODI_BUTTON, OnModiButton)
	ON_BN_CLICKED(IDC_DEL_BUTTON, OnDelButton)
	ON_NOTIFY(TVN_SELCHANGED, IDC_TREE1, OnSelchangedTree1)
	ON_CBN_SELCHANGE(IDC_TYPE_COMBO, OnSelchangeTypeCombo)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPasBuildDlg message handlers

BOOL CPasBuildDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here

	//装入课程信息
	cou.Load_course();
	//添加根节点
	m_treeImageList.Create(16,16,FALSE,1,0);  //创建CImageList控件
	//装入ICON资源
	HICON hIcon = ::LoadIcon(AfxGetResourceHandle(), MAKEINTRESOURCE(IDI_ICON1));
	m_treeImageList.Add(hIcon);  //将ICON资源添加到CImageList控件中
	//将CImageList控件与Tree控件相关联	
	m_tree.SetImageList(&m_treeImageList, LVSIL_NORMAL);
	m_root = m_tree.InsertItem("课程建设");  //添加根节点
	//调用AddtoTree() 函数，将所有课程信息添加到Tree控件中	
	AddtoTree(m_root, 0);
	m_tree.Expand(m_root, TVE_EXPAND); //展开根节点
	//选中根节点
	m_tree.SelectItem(m_root);

	//设置文本内容属性
	m_combo.SetCurSel(0);

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CPasBuildDlg::AddtoTree(HTREEITEM m_node, int TypeId)
{
	//使用递归方法将课程添加到TreeView控件中
	int i;
	HTREEITEM m_child;
	//依次访问dep对象中的课程数组，查找满足条件的记录添加到Tree控件中
	for(i=0; i<cou.a_TypeID.GetSize(); i++)
	{
		//@@@@ 打开a_TypeId数组中等于TypeId的元素
		//@@@@ 表明此元素为当前根节点的子节点，因此将其添加到Tree控件中，新节点为m_child
		//@@@@ 使用SetItemData()函数将课程编号值也保存在新节点中
		//@@@@ 以新节点为根节点，再次递归调用AddtoTree()函数，将其子节点添加到Tree控件中
		if (TypeId == atoi(cou.a_TypeID.GetAt(i)))
		{
			m_child = m_tree.InsertItem(cou.a_CourseName.GetAt(i), m_node);
			m_tree.SetItemData(m_child, atol(cou.a_CourseID.GetAt(i)));
			AddtoTree(m_child, atoi(cou.a_CourseID.GetAt(i)));
		}
	}
}

void CPasBuildDlg::Refresh_Data()
{
	UpdateData(TRUE);
	//从Tree控件中读取课程编号信息
	int iCouId;
	HTREEITEM node;
	node = m_tree.GetSelectedItem();
	iCouId = m_tree.GetItemData(node);
	
	//根据课程编号设置SELECT语句
	CString cCouId;
	cCouId.Format("%d", iCouId);
	CString cSource ="SELECT Pas_ID,Pas_Name AS 文本名称, Memo AS 备注 FROM Passages WHERE Course_ID=" +cCouId;
    
	//读取文本内容类型状态值，并根据它生成SELECT语句的条件
	int iType = m_combo.GetCurSel();
	CString cType;
	cType.Format("%d", iType);
	if (iType > 0)
		cSource += " AND FT=" + cType;

	//刷新ADO Data控件的记录源
	m_Adodc.SetRecordSource(cSource);
	m_Adodc.Refresh();
    
	//设置列宽度
	_variant_t vIndex;
	vIndex = long(0);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(0);
	vIndex = long(1);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(100);
	vIndex = long(2);
	m_datagrid.GetColumns().GetItem(vIndex).SetWidth(100);
	
}

void CPasBuildDlg::OnAddButton() 
{
	// TODO: Add your control notification handler code here
	UpdateData(TRUE);

	HTREEITEM node;  //用于保存当前节点
	node = m_tree.GetSelectedItem(); //取得当前节点值
	int iCouId;
	iCouId = m_tree.GetItemData(node);
	if (iCouId == 0)  //不能在根节点添加文本文件
	{
		MessageBox("请选择课程");
		return;
	}

	CPasEditDlg dlg;
	//初始化变量
	dlg.PasId = 0;  //文本编号为0，表示添加
	dlg.CouId = iCouId; //课程编号
	int iFT;  //根据当前的文本内容类型状态设置编辑对话框中的文本内容类型
	iFT = m_combo.GetCurSel();
	if (iFT == 0)
		dlg.iFT = 1;
	else
		dlg.iFT = iFT;
	
	if (dlg.DoModal() == IDOK)
		Refresh_Data();

}

void CPasBuildDlg::OnModiButton() 
{
	// TODO: Add your control notification handler code here
    UpdateData(TRUE);

	if (m_Adodc.GetRecordset().GetEof())
	{
		MessageBox("请选择要修改的记录!");
		return;
	}
	//读取选择文本的记录
	CPassages pas;
	pas.GetData(m_datagrid.GetItem(0));
	//将文本数据读取到编辑对话框中
	CPasEditDlg dlg;
	dlg.PasId = pas.GetPas_ID();
	dlg.PasName = pas.GetPas_Name();
	dlg.CouId = pas.GetCourse_ID();
    dlg.m_PasName = pas.GetPas_Name();
	dlg.m_Words = pas.GetWords();
	dlg.m_Memo = pas.GetMemo();
	dlg.iFT = pas.GetFT();
	
	if (dlg.DoModal() == IDOK)
		Refresh_Data();
	
}

void CPasBuildDlg::OnDelButton() 
{
	// TODO: Add your control notification handler code here
	if (m_Adodc.GetRecordset().GetEof())
	{
		MessageBox("请选择要删除的记录!");
		return;
	}
	//读取选择的文本记录
	if (MessageBox("是否删除当前记录？","请确认", MB_YESNO) == IDYES)
	{
		CPassages pas;
		pas.sql_delete(m_datagrid.GetItem(0));
		Refresh_Data();
	}	
	
	
}

void CPasBuildDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CPasBuildDlg::OnSelchangedTree1(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_TREEVIEW* pNMTreeView = (NM_TREEVIEW*)pNMHDR;
	// TODO: Add your control notification handler code here
	Refresh_Data();
	
	*pResult = 0;
}


void CPasBuildDlg::OnSelchangeTypeCombo() 
{
	// TODO: Add your control notification handler code here
	Refresh_Data();
	
}