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dwarryvw.cpp
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C/C++ Source or Header
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1998-03-26
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4KB
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179 lines
// dwarryvw.cpp : implementation file
//
// This is a part of the Microsoft Foundation Classes C++ library.
// Copyright (C) 1992-1998 Microsoft Corporation
// All rights reserved.
//
// This source code is only intended as a supplement to the
// Microsoft Foundation Classes Reference and related
// electronic documentation provided with the library.
// See these sources for detailed information regarding the
// Microsoft Foundation Classes product.
#include "stdafx.h"
#include "collect.h"
#include "colledoc.h"
#include "dwarryvw.h"
#ifdef _DEBUG
#undef THIS_FILE
static char BASED_CODE THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CDWordArrayView
IMPLEMENT_DYNCREATE(CDWordArrayView, CFormView)
CDWordArrayView::CDWordArrayView()
: CFormView(CDWordArrayView::IDD)
{
//{{AFX_DATA_INIT(CDWordArrayView)
m_dw = 0;
//}}AFX_DATA_INIT
}
CDWordArrayView::~CDWordArrayView()
{
}
void CDWordArrayView::OnInitialUpdate()
{
CFormView::OnInitialUpdate();
// Copy all of the DWORDs from the document's CDWordArray
// to the listbox.
m_ctlList.ResetContent();
CDWordArray& dwArray = GetDocument()->m_dwArray;
for (int nIndex = 0; nIndex < dwArray.GetSize(); nIndex++)
{
DWORD dw = dwArray[nIndex];
CString str;
str.Format(_T("%d"),dw);
int nSel = m_ctlList.AddString(str);
}
}
void CDWordArrayView::DoDataExchange(CDataExchange* pDX)
{
CFormView::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CDWordArrayView)
DDX_Control(pDX, IDC_LIST, m_ctlList);
DDX_Text(pDX, IDC_DWORD, m_dw);
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CDWordArrayView, CFormView)
//{{AFX_MSG_MAP(CDWordArrayView)
ON_BN_CLICKED(IDC_ADD, OnAdd)
ON_BN_CLICKED(IDC_UPDATE, OnUpdate)
ON_BN_CLICKED(IDC_REMOVE, OnRemove)
ON_BN_CLICKED(IDC_REMOVE_ALL, OnRemoveAll)
ON_LBN_SELCHANGE(IDC_LIST, OnSelChangeList)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CDWordArrayView diagnostics
#ifdef _DEBUG
void CDWordArrayView::AssertValid() const
{
CFormView::AssertValid();
}
void CDWordArrayView::Dump(CDumpContext& dc) const
{
CFormView::Dump(dc);
}
CCollectDoc* CDWordArrayView::GetDocument() // non-debug version is inline
{
return STATIC_DOWNCAST(CCollectDoc, m_pDocument);
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CDWordArrayView message handlers
void CDWordArrayView::OnAdd()
{
if (UpdateData() != TRUE)
return;
// Add new DWORD to the CDWordArray
int nIndex = GetDocument()->m_dwArray.Add(m_dw);
// Add new DWORD to the listbox.
CString str;
str.Format(_T("%d"),m_dw);
int nSel = m_ctlList.AddString(str);
// The index of the new DWORD in the array should be the
// same as the index of the new DWORD in the listbox.
ASSERT(nIndex == nSel);
}
void CDWordArrayView::OnUpdate()
{
if (UpdateData() != TRUE)
return;
int nSel = m_ctlList.GetCurSel();
if (nSel == LB_ERR)
{
AfxMessageBox(IDS_SELECT_DWORD_TO_UPDATE);
return;
}
// Replace the DWORD in the CDWordArray.
GetDocument()->m_dwArray[nSel] = m_dw;
// Update the old DWORD in the listbox by removing
// the old entry and adding a new entry.
m_ctlList.DeleteString(nSel);
CString str;
str.Format(_T("%d"),m_dw);
m_ctlList.InsertString(nSel, str);
}
void CDWordArrayView::OnRemove()
{
if (UpdateData() != TRUE)
return;
int nSel = m_ctlList.GetCurSel();
if (nSel == LB_ERR)
{
AfxMessageBox(IDS_SELECT_DWORD_TO_REMOVE);
return;
}
// Remove the DWORD from the CDWordArray.
GetDocument()->m_dwArray.RemoveAt(nSel);
// Remove the DWORD from the listbox.
m_ctlList.DeleteString(nSel);
}
void CDWordArrayView::OnRemoveAll()
{
// Remove all of the DWORDs from the CDWordArray.
GetDocument()->m_dwArray.RemoveAll();
// Remove all of the DWORDs from the listbox.
m_ctlList.ResetContent();
}
void CDWordArrayView::OnSelChangeList()
{
// Update the edit control to reflect the new selection
// in the listbox.
m_dw = GetDocument()->m_dwArray[m_ctlList.GetCurSel()];
UpdateData(FALSE);
}