selecttables.cpp

来自「深入浅出Visual C++入门进阶与应用实例 随书光盘 作者 何志丹」· C++ 代码 · 共 153 行

// SelectTables.cpp : implementation file
//

#include "stdafx.h"
#include "SelectTables.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSelectTables dialog


CSelectTables::CSelectTables(CWnd* pParent /*=NULL*/)
	: CDialog(CSelectTables::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSelectTables)	
	m_strSelectTable = _T("");
	//}}AFX_DATA_INIT	
	m_style = ST_NULL;
	m_ListBoxID  = IDC_OLD_TABLE_SING ;
}


void CSelectTables::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSelectTables)
	DDX_Control(pDX, IDC_TABLES, m_editTables);
	DDX_Text(pDX, IDC_TABLES, m_strSelectTable);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CSelectTables, CDialog)
	//{{AFX_MSG_MAP(CSelectTables)
	ON_LBN_SELCHANGE(IDC_OLD_TABLE_MUIL, OnSelchangeOldTableMuil)
	ON_LBN_DBLCLK(IDC_OLD_TABLE_MUIL, OnDblclkOldTableMuil)
	ON_LBN_SELCHANGE(IDC_OLD_TABLE_SING, OnSelchangeOldTableSing)
	ON_LBN_DBLCLK(IDC_OLD_TABLE_SING, OnDblclkOldTableSing)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSelectTables message handlers

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

	if(!m_strTitle.IsEmpty())
		SetWindowText(m_strTitle);

	if(!m_strInfo.IsEmpty())
		GetDlgItem(IDC_GROUP)->SetWindowText(m_strInfo);
	
	if(ST_READONLY & m_style)
		m_editTables.SetReadOnly(true);

	if(ST_MUIT     & m_style)
	{
		m_ListBoxID = IDC_OLD_TABLE_MUIL ;		
	}
	m_listOldTable.SubclassDlgItem(m_ListBoxID,this);
	m_listOldTable.ShowWindow(SW_SHOW);
	
	
	for(int i = 0 ; i < m_arTables.GetSize() ; i++)
		m_listOldTable.AddString(m_arTables[i]);
	if(0 != m_arTables.GetSize())
	{
		m_editTables.SetWindowText(m_arTables[0]);
		m_editTables.SetSel(0,-1);
	}
	
	return TRUE;  
}

void CSelectTables::OnOK() 
{	
	CDialog::OnOK();
}

void CSelectTables::UpdateEditByListBox()
{
	if(ST_MUIT & m_style)//多选
	{
		CString strSelectTable;
		const int nCount = m_listOldTable.GetCount();
		for(int i = 0 ; i < nCount ; i++ )
		{
			CString str;
			int nSel = m_listOldTable.GetSel(i);
			if(nSel <= 0)
				continue;
			if(!strSelectTable.IsEmpty())
				strSelectTable += ' ';
			m_listOldTable.GetText(i,str);
			strSelectTable += str;
		}
		m_editTables.SetWindowText(strSelectTable);
	}
	else//单选
	{
		int nSel = m_listOldTable.GetCurSel();
		if(-1 != nSel)
		{
			CString str;
			m_listOldTable.GetText(nSel,str);
			m_strSelectTable = str;
			m_editTables.SetWindowText(str);
			m_editTables.SetSel(0,-1);
			m_editTables.SetFocus();
		}	
	}
	
	m_editTables.SetSel(0,-1);
	m_editTables.SetFocus();	
}

CString CSelectTables::GetTables()
{
	if(IDOK == DoModal())
		return m_strSelectTable;
	else
		return "";
}

void CSelectTables::OnSelchangeOldTableMuil() 
{
	UpdateEditByListBox();	
}

void CSelectTables::OnDblclkOldTableMuil() 
{
	UpdateEditByListBox();
	OnOK();	
}

void CSelectTables::OnSelchangeOldTableSing() 
{
	UpdateEditByListBox();
}

void CSelectTables::OnDblclkOldTableSing() 
{
	UpdateEditByListBox();
	OnOK();
}