depseldlg.cpp

visual c++与sql Server数据库开发考勤管理系统

// DepSelDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CheckManage.h"
#include "DepSelDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CDepSelDlg dialog


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


void CDepSelDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CDepSelDlg)
	DDX_Control(pDX, IDC_TREE1, m_tree);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CDepSelDlg, CDialog)
//{{AFX_MSG_MAP(CDepSelDlg)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CDepSelDlg message handlers

BOOL CDepSelDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();

	// TODO: Add extra initialization here
	//装入部门信息
	dep.LoadDep();

	//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("部门信息");  //添加根节点
	//调用AddtoTree() 函数，将所有部门信息添加到Tree控件中	
	AddtoTree(m_root, 0);
	m_tree.Expand(m_root, TVE_EXPAND); //展开根节点

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

void CDepSelDlg::AddtoTree(HTREEITEM m_node, int UpperId)
{
	//使用递归方法将部门添加到TreeView控件中
	int i;
	HTREEITEM m_child;
	//依次访问dep对象中的部门数组，查找满足条件的记录添加到Tree控件中
	for(i=0; i<dep.a_UID.GetSize(); i++)
	{
		//@@@@ 打开a_UID数组中等于UpperId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()函数将部门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 (UpperId == atoi(dep.a_UID.GetAt(i)))
		{
			m_child = m_tree.InsertItem(dep.a_DepName.GetAt(i), m_node);
			m_tree.SetItemData(m_child, atol(dep.a_DepId.GetAt(i)));
			AddtoTree(m_child, atoi(dep.a_DepId.GetAt(i)));
		}
	}
}

// 确定按钮
void CDepSelDlg::OnOK() 
{
	// TODO: Add extra validation here
	HTREEITEM node;  //用于保存当前节点
	node = m_tree.GetSelectedItem(); //取得当前节点值
	if (m_tree.GetItemData(node) == 0)  //不能选择根节点
	{
		DepId = 0;
		DepName = "全部部门";
	}
	else
	{
		//将当前选择的部门信息保存在公共变量中
		DepId = m_tree.GetItemData(node);
		DepName = m_tree.GetItemText(node);
	}
	CDialog::OnOK();
}

// 取消按钮
void CDepSelDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	DepId = 0;
	DepName = "";
	
	CDialog::OnCancel();
}