recdefdlg.cpp

PALM PDB文件阅读器源代码

// RecDefDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PDB Reader.h"
#include "RecDefDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CRecDefDlg dialog


CRecDefDlg::CRecDefDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CRecDefDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CRecDefDlg)
	//}}AFX_DATA_INIT

	thisApp=(CPDBReaderApp *) AfxGetApp();
}


void CRecDefDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CRecDefDlg)
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CRecDefDlg, CDialog)
	//{{AFX_MSG_MAP(CRecDefDlg)
	ON_BN_CLICKED(IDC_STRING, OnStringClick)
	ON_WM_VSCROLL()
	ON_WM_SHOWWINDOW()
	ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
	ON_COMMAND(ID_FILE_SAVE, OnFileSave)
	ON_COMMAND(ID_RECORD_ADD, OnRecordAdd)
	ON_COMMAND(ID_RECORD_DELETE, OnRecordDelete)
	ON_EN_SETFOCUS(IDC_LENGTH_EDIT_1, OnSetfocusLengthEdit1)
	ON_EN_SETFOCUS(IDC_LENGTH_EDIT_2, OnSetfocusLengthEdit2)
	ON_EN_SETFOCUS(IDC_LENGTH_EDIT_3, OnSetfocusLengthEdit3)
	ON_EN_SETFOCUS(IDC_LENGTH_EDIT_4, OnSetfocusLengthEdit4)
	ON_EN_SETFOCUS(IDC_NAME_EDIT_1, OnSetfocusNameEdit1)
	ON_EN_SETFOCUS(IDC_NAME_EDIT_2, OnSetfocusNameEdit2)
	ON_EN_SETFOCUS(IDC_NAME_EDIT_3, OnSetfocusNameEdit3)
	ON_EN_SETFOCUS(IDC_NAME_EDIT_4, OnSetfocusNameEdit4)
	ON_CBN_SETFOCUS(IDC_TYPE_COMBO_1, OnSetfocusTypeCombo1)
	ON_CBN_SETFOCUS(IDC_TYPE_COMBO_2, OnSetfocusTypeCombo2)
	ON_CBN_SETFOCUS(IDC_TYPE_COMBO_3, OnSetfocusTypeCombo3)
	ON_CBN_SETFOCUS(IDC_TYPE_COMBO_4, OnSetfocusTypeCombo4)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRecDefDlg message handlers

void CRecDefDlg::OnStringClick() 
{
	CButton		*btnStringOnly;
	
	GetFieldValues();

	btnStringOnly = (CButton *) GetDlgItem(IDC_STRING);

	if (btnStringOnly->GetCheck() != 0)
		ResetToString();
	else
		SetFieldValues();

	SetMenuState();
}

void CRecDefDlg::OnOK() 
{
	GetFieldValues();
	
	CDialog::OnOK();
}

void CRecDefDlg::OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	int	intMinPos;
	int	intMaxPos;
	int	intCurPos;
	
	GetFieldValues();

	pScrollBar->GetScrollRange(&intMinPos, &intMaxPos);
	intCurPos = pScrollBar->GetScrollPos();
	
	switch (nSBCode) {
		case SB_BOTTOM:
			pScrollBar->SetScrollPos(intMaxPos);
			break;

		case SB_ENDSCROLL:
			break;

		case SB_LINEDOWN:
			pScrollBar->SetScrollPos(intCurPos+1);
			break;

		case SB_LINEUP:
			pScrollBar->SetScrollPos(intCurPos-1);
			break;

		case SB_PAGEDOWN:
			pScrollBar->SetScrollPos(intCurPos+3);
			break;

		case SB_PAGEUP:
			pScrollBar->SetScrollPos(intCurPos-3);
			break;

		case SB_THUMBPOSITION:
			pScrollBar->SetScrollPos(nPos);
			break;

		case SB_THUMBTRACK:
			break;

		case SB_TOP:
			pScrollBar->SetScrollPos(intMinPos);
			break;

		default:
			break;
	}

	SetFieldValues();
}


void CRecDefDlg::ResetToString()
{
	CScrollBar	*scrTemp;

	thisApp->arrFields.RemoveAll();
	thisApp->arrFields.SetSize(0, 10);
	thisApp->arrFields.Add(CFieldDef(_T("Record"), _T("String"), 0));

	CheckDlgButton(IDC_STRING, 1);

	scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);

	scrTemp->SetScrollRange(0, thisApp->arrFields.GetUpperBound(), FALSE);
	scrTemp->SetScrollPos(0, TRUE);

	m_lngActive = 0;

	SetFieldValues();
}

void CRecDefDlg::SetFieldValues()
{
	CComboBox		*cboTemp;
	CEdit			*edtTemp;
	CScrollBar		*scrTemp;
	CButton			*btnStringOnly;

	long	i;
	long	lngStart;

	BOOL	bolStringOn;

	CString	strTemp;

	btnStringOnly = (CButton *) GetDlgItem(IDC_STRING);
	bolStringOn = (btnStringOnly->GetCheck() != 0);

	scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);
	lngStart = scrTemp->GetScrollPos();

	for (i = 0; i < 4; i++) {
		if (i + lngStart <= thisApp->arrFields.GetUpperBound()) {
			strTemp = _T("");
			strTemp.Format(_T("%ld"), i + lngStart + 1);
			strTemp += CString(_T(":"));
			SetDlgItemText(IDC_FIELD_1 + i, strTemp);

			edtTemp = (CEdit *) GetDlgItem(IDC_NAME_EDIT_1 + i);
			edtTemp->EnableWindow(! bolStringOn);
			edtTemp->SetWindowText(thisApp->arrFields[i + lngStart].Name);

			strTemp = _T("");
			if (thisApp->arrFields[i + lngStart].Length > 0)
				strTemp.Format("%ld", thisApp->arrFields[i + lngStart].Length);

			edtTemp = (CEdit *) GetDlgItem(IDC_LENGTH_EDIT_1 + i);
			edtTemp->EnableWindow(! bolStringOn);
			edtTemp->SetWindowText(strTemp);

			cboTemp = (CComboBox *) GetDlgItem(IDC_TYPE_COMBO_1 + i);
			cboTemp->EnableWindow(! bolStringOn);
			cboTemp->SelectString(-1, thisApp->arrFields[i + lngStart].Type);
		}
		else {
			SetDlgItemText(IDC_FIELD_1 + i, _T(""));

			edtTemp = (CEdit *) GetDlgItem(IDC_NAME_EDIT_1 + i);
			edtTemp->EnableWindow(FALSE);
			edtTemp->SetWindowText(_T(""));

			edtTemp = (CEdit *) GetDlgItem(IDC_LENGTH_EDIT_1 + i);
			edtTemp->EnableWindow(FALSE);
			edtTemp->SetWindowText(_T(""));

			cboTemp = (CComboBox *) GetDlgItem(IDC_TYPE_COMBO_1 + i);
			cboTemp->EnableWindow(FALSE);
			cboTemp->SetCurSel(-1);
		}
	}

	ShowActive();
}

void CRecDefDlg::GetFieldValues()
{
	CComboBox	*cboTemp;
	CEdit		*edtTemp;
	CScrollBar	*scrTemp;
	CButton		*btnStringOnly;

	long	i;
	long	lngStart;

	CString	strTemp;

	btnStringOnly = (CButton *) GetDlgItem(IDC_STRING);
	if (btnStringOnly->GetCheck() == 0) {
		scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);
		lngStart = scrTemp->GetScrollPos();

		for (i = 0; i < 4; i++) {
			if (i + lngStart <= thisApp->arrFields.GetUpperBound()) {
				edtTemp = (CEdit *) GetDlgItem(IDC_NAME_EDIT_1 + i);
				edtTemp->GetWindowText(thisApp->arrFields[i + lngStart].Name);

				strTemp = _T("");
				if (thisApp->arrFields[i + lngStart].Length > 0)
					strTemp.Format("%ld", thisApp->arrFields[i + lngStart].Length);

				edtTemp = (CEdit *) GetDlgItem(IDC_LENGTH_EDIT_1 + i);
				edtTemp->GetWindowText(strTemp);
				
				if (! strTemp.IsEmpty())
					thisApp->arrFields[i + lngStart].Length = atoi(strTemp);

				cboTemp = (CComboBox *) GetDlgItem(IDC_TYPE_COMBO_1 + i);
				cboTemp->GetLBText(cboTemp->GetCurSel(), thisApp->arrFields[i + lngStart].Type);
			}
		}
	}
}

void CRecDefDlg::OnShowWindow(BOOL bShow, UINT nStatus) 
{
	CDialog::OnShowWindow(bShow, nStatus);
	
	ResetToString();
	SetMenuState();
}

void CRecDefDlg::OnFileOpen() 
{
	ifstream	filTemp;
	_TCHAR		strFileName[_MAX_PATH]=_T("");
	CScrollBar	*scrTemp;

	OPENFILENAME	ofnSave;

	ofnSave.lStructSize = sizeof(OPENFILENAME);
	ofnSave.hwndOwner = GetSafeHwnd();
	ofnSave.lpstrFilter = "Record Definitions\000*.REC\000\000";
	ofnSave.lpstrCustomFilter = NULL;
	ofnSave.nFilterIndex = 1;
	ofnSave.lpstrFile = strFileName;
	ofnSave.nMaxFile = _MAX_PATH;
	ofnSave.lpstrFileTitle = NULL;
	ofnSave.lpstrInitialDir = NULL;
	ofnSave.lpstrTitle = _T("Load Record Definition");
	ofnSave.Flags = OFN_LONGNAMES | OFN_FILEMUSTEXIST | OFN_PATHMUSTEXIST | OFN_SHAREAWARE;
	ofnSave.lpstrDefExt = _T("REC");
	ofnSave.lpfnHook = NULL;
	ofnSave.lpTemplateName = NULL;
	

	if (GetOpenFileName(&ofnSave)) {
		filTemp.open(strFileName);
		if (filTemp.is_open()) {
			long	i;
			long	maxSize;
			
			filTemp >> maxSize;

			thisApp->arrFields.RemoveAll();
			thisApp->arrFields.SetSize(maxSize, 10);

			for (i=0; i < maxSize; i++)
				filTemp >> thisApp->arrFields[i];

			filTemp.close();
		}
	}

	scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);
	scrTemp->SetScrollRange(0, thisApp->arrFields.GetUpperBound(), FALSE);

	SetFieldValues();
}

void CRecDefDlg::OnFileSave() 
{
	ofstream	filTemp;
	_TCHAR		strFileName[_MAX_PATH]=_T("");

	OPENFILENAME	ofnSave;
	
	GetFieldValues();

	ofnSave.lStructSize = sizeof(OPENFILENAME);
	ofnSave.hwndOwner = GetSafeHwnd();
	ofnSave.lpstrFilter = "Record Definitions\000*.REC\000\000";
	ofnSave.lpstrCustomFilter = NULL;
	ofnSave.nFilterIndex = 1;
	ofnSave.lpstrFile = strFileName;
	ofnSave.nMaxFile = _MAX_PATH;
	ofnSave.lpstrFileTitle = NULL;
	ofnSave.lpstrInitialDir = NULL;
	ofnSave.lpstrTitle = _T("Save Record Definition");
	ofnSave.Flags = OFN_LONGNAMES | OFN_OVERWRITEPROMPT | OFN_PATHMUSTEXIST | OFN_SHAREAWARE;
	ofnSave.lpstrDefExt = _T("REC");
	ofnSave.lpfnHook = NULL;
	ofnSave.lpTemplateName = NULL;

	if (GetSaveFileName(&ofnSave)) {
		filTemp.open(strFileName);
		if (filTemp.is_open()) {
			long	i;
			
			filTemp << thisApp->arrFields.GetSize() << endl;

			for (i=0; i <= thisApp->arrFields.GetUpperBound(); i++)
				filTemp << thisApp->arrFields[i];

			filTemp.close();
		}
	}
}

void CRecDefDlg::OnRecordAdd() 
{
	CScrollBar	*scrTemp;
	
	GetFieldValues();

	thisApp->arrFields.Add(CFieldDef(_T("Unnamed"), _T("String"), 0));

	scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);
	scrTemp->SetScrollRange(0, thisApp->arrFields.GetUpperBound(), FALSE);

	SetFieldValues();
}

void CRecDefDlg::OnRecordDelete() 
{
	CScrollBar	*scrTemp;
	long		lngNewPos;
	
	GetFieldValues();

	if (thisApp->arrFields.GetSize() > 1) {
		thisApp->arrFields.RemoveAt(m_lngActive);

		if (m_lngActive > 0)
				m_lngActive -= 1;

		scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);
		scrTemp->SetScrollRange(0, thisApp->arrFields.GetUpperBound(), FALSE);

		if (m_lngActive >= scrTemp->GetScrollPos())
			lngNewPos = scrTemp->GetScrollPos();
		else
			lngNewPos = m_lngActive;

		scrTemp->SetScrollPos(lngNewPos);

		SetFieldValues();
	}
	else
		MessageBox(_T("A record must have at least one field.  You cannot, therefore, delete the last field defined in the record."), NULL, MB_ICONWARNING | MB_OK | MB_APPLMODAL);
}

void CRecDefDlg::SetMenuState()
{
	CMenu	*mnuTemp = GetMenu();
	CButton	*btnStringOnly = (CButton *) GetDlgItem(IDC_STRING);

	if (btnStringOnly->GetCheck() == 0)
		mnuTemp->EnableMenuItem(0, MF_BYPOSITION | MF_ENABLED);
	else
		mnuTemp->EnableMenuItem(0, MF_BYPOSITION | MF_GRAYED);

	DrawMenuBar();
}

void CRecDefDlg::OnSetfocusLengthEdit1() 
{
	ShowActive(1);
}

void CRecDefDlg::OnSetfocusLengthEdit2() 
{
	ShowActive(2);
}

void CRecDefDlg::OnSetfocusLengthEdit3() 
{
	ShowActive(3);
}

void CRecDefDlg::OnSetfocusLengthEdit4() 
{
	ShowActive(4);
}

void CRecDefDlg::OnSetfocusNameEdit1() 
{
	ShowActive(1);
}

void CRecDefDlg::OnSetfocusNameEdit2() 
{
	ShowActive(2);
}

void CRecDefDlg::OnSetfocusNameEdit3() 
{
	ShowActive(3);
}

void CRecDefDlg::OnSetfocusNameEdit4() 
{
	ShowActive(4);
}

void CRecDefDlg::OnSetfocusTypeCombo1() 
{
	ShowActive(1);
}

void CRecDefDlg::OnSetfocusTypeCombo2() 
{
	ShowActive(2);
}

void CRecDefDlg::OnSetfocusTypeCombo3() 
{
	ShowActive(3);
}

void CRecDefDlg::OnSetfocusTypeCombo4() 
{
	ShowActive(4);
}

void CRecDefDlg::ShowActive(int intRow)
{
	int		i;
	int		intActive;
	BOOL	bolActiveFound;

	CWnd			*pctTemp;
	WINDOWPLACEMENT	wndPlacement;

	CScrollBar		*scrTemp;
	long			lngStart;

	if (intRow > 0) {
		CScrollBar	*scrTemp;

		scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);

		m_lngActive = scrTemp->GetScrollPos();

		m_lngActive += intRow - 1;
	}

	scrTemp = (CScrollBar *) GetDlgItem(IDC_FIELD_SCROLLBAR);
	lngStart = scrTemp->GetScrollPos();

	wndPlacement.length = sizeof(WINDOWPLACEMENT);
	intActive = 0;
	bolActiveFound = FALSE;

	for (i = 0; i < 4; i++) {
		pctTemp = GetDlgItem(IDC_ACTIVE_1 + i);
		pctTemp->GetWindowPlacement(&wndPlacement);

		wndPlacement.showCmd = SW_HIDE;
		pctTemp->SetWindowPlacement(&wndPlacement);

		if (m_lngActive == i + lngStart) {
			intActive = i;
			bolActiveFound = TRUE;
		}
	}

	if (!bolActiveFound) {
		m_lngActive = lngStart;
		intActive = 0;
	}

	pctTemp = GetDlgItem(IDC_ACTIVE_1 + intActive);
	pctTemp->GetWindowPlacement(&wndPlacement);

	wndPlacement.showCmd = SW_SHOW;
	pctTemp->SetWindowPlacement(&wndPlacement);
}