envi-code/SourceCode/Code2026/MFCCtrl/PropItemEdit.cpp

// PropTreeItemEdit.cpp : implementation file
//
//  Copyright (C) 1998-2001 Scott Ramsay
//	sramsay@gonavi.com
//	http://www.gonavi.com
//
//  This material is provided "as is", with absolutely no warranty expressed
//  or implied. Any use is at your own risk.
// 
//  Permission to use or copy this software for any purpose is hereby granted 
//  without fee, provided the above notices are retained on all copies.
//  Permission to modify the code and to distribute modified code is granted,
//  provided the above notices are retained, and a notice that the code was
//  modified is included with the above copyright notice.
// 
//	If you use this code, drop me an email.  I'd like to know if you find the code
//	useful.

#include "stdafx.h"
#include "PropCtrl.h"
#include "PropItemEdit.h"

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

CPropItemEdit::CPropItemEdit(CString* pText)
{
	InitVariable();
	m_pText = pText;
}
	
CPropItemEdit::CPropItemEdit(double* pDouble)
{
	InitVariable();
	m_pDouble = pDouble;
}

CPropItemEdit::CPropItemEdit(int* pInt)
{
	InitVariable();
	m_pInt = pInt;
}

void CPropItemEdit::InitVariable()
{
	m_pText = NULL;
	m_pDouble = NULL;
	m_pInt = NULL;
	
	m_bPassword = FALSE;
	m_nItemType = ITEMTYPE_EDIT;
}

CPropItemEdit::~CPropItemEdit()
{
}

BEGIN_MESSAGE_MAP(CPropItemEdit, CEdit)
	//{{AFX_MSG_MAP(CPropItemEdit)
	ON_WM_GETDLGCODE()
	ON_WM_KEYDOWN()
	ON_CONTROL_REFLECT(EN_KILLFOCUS, OnKillfocus)
	ON_CONTROL_REFLECT(EN_CHANGE, OnEditChanged)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPropItemEdit message handlers

void CPropItemEdit::DrawAttribute(CDC* pDC, const RECT& rc)
{
	ASSERT(m_pProp!=NULL);

//	pDC->SelectObject(IsReadOnly() ? m_pProp->GetNormalFont() : m_pProp->GetBoldFont());
	pDC->SelectObject(m_pProp->GetNormalFont());
	if (IsReadOnly())
		pDC->SetTextColor(RGB(140,140,140));
	else
		pDC->SetTextColor(RGB(0,0,0));

	pDC->SetBkMode(TRANSPARENT);

	CRect r = rc;

	TCHAR ch;

	// can't use GetPasswordChar(), because window may not be created yet
	ch = (m_bPassword) ? '*' : '\0';
	CString csText = GetValueText();

	if (ch)
	{
		for (LONG i=0; i < csText.GetLength();i++)
			csText.SetAt(i, ch);
	}
	pDC->DrawText(csText, r, DT_SINGLELINE|DT_VCENTER);
}

void CPropItemEdit::SetAsPassword(BOOL bPassword)
{
	m_bPassword = bPassword;
}

void CPropItemEdit::OnMove()
{
	if (IsWindow(m_hWnd))
		SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width(), m_rc.Height(),
											SWP_NOZORDER|SWP_NOACTIVATE);
}

void CPropItemEdit::OnActivate()
{
	// Check if the edit control needs creation
	if (!IsWindow(m_hWnd))
	{
		DWORD dwStyle;

		dwStyle = WS_CHILD|ES_AUTOHSCROLL;
		Create(dwStyle, m_rc, m_pProp->GetCtrlParent(), GetCtrlID());
		SendMessage(WM_SETFONT, (WPARAM)m_pProp->GetNormalFont()->m_hObject);
	}

	SetPasswordChar((TCHAR)(m_bPassword ? '*' : 0));
	UpdateData(TRUE);
	SetWindowText(GetValueText());
	SetSel(0, -1);

	SetWindowPos(NULL, m_rc.left, m_rc.top, m_rc.Width(), m_rc.Height(), 
											SWP_NOZORDER|SWP_SHOWWINDOW);

	// 原来有按钮的话先隐藏先隐藏
	ShowButton(FALSE);
	ShowSpinCtrl(FALSE);
	

	// add button on right
	if (m_bHasBt)
		CreateButton(this);
	if (m_bHasSpinCtrl)
		CreateSpinCtrl(this);

	SetFocus();
}


UINT CPropItemEdit::OnGetDlgCode() 
{
	return CEdit::OnGetDlgCode()|DLGC_WANTALLKEYS;
}

/*----------------------------------------------------------------------------*
* 描述:   添加响应Shift Tab Up Down键盘 切换焦点事件
* 备注:   
-----------------------------------------------------------------------------*/
void CPropItemEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags) 
{
	CPropItem* pItem = NULL;

//	if (nChar==VK_RETURN)
//		CommitChanges();
	if((nChar == VK_TAB && !GetAsyncKeyState(VK_SHIFT))
					|| nChar == VK_DOWN || nChar==VK_RETURN)
		pItem = m_pProp->FocusNext();
	else if (nChar == VK_TAB || nChar == VK_UP)
		pItem = m_pProp->FocusPrev();
	
	if (NULL != pItem && !pItem->IsReadOnly())
			pItem->Activate();

	CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
}

void CPropItemEdit::OnRefresh()
{
}

/*----------------------------------------------------------------------------*
* 描述:   把值写入变量
* 备注:   
-----------------------------------------------------------------------------*/
void CPropItemEdit::OnCommit()
{
	// hide edit control
	ShowWindow(SW_HIDE);
	
	// store edit text for GetItemValue
	CString csText;
	GetWindowText(csText);
	
	if (NULL != m_pText)
		*m_pText = csText;
	else if (NULL != m_pDouble)
		*m_pDouble = _tstof(csText);
	else if (NULL != m_pInt)
		*m_pInt = _ttoi(csText);	
}

void CPropItemEdit::OnKillfocus() 
{
	CommitChanges();

	CWnd* pWnd = m_pProp->GetParent();
	if (NULL != pWnd)
	{
	::SendMessage(pWnd->m_hWnd, WM_EBKILLFOCUS, (WPARAM)ITEMTYPE_EDIT, (LPARAM)this);
	}
}

void CPropItemEdit::OnEditChanged() 
{		
}

/*----------------------------------------------------------------------------*
* 描述:   得到要Draw画出显示的字符
* 备注:   
-----------------------------------------------------------------------------*/
CString CPropItemEdit::GetValueText()
{
	CString csText;

	if (NULL != m_pText)
		csText =  *m_pText;
	else if (NULL != m_pDouble)
	{
		csText.Format(_T("%.10f"), *m_pDouble);
		csText.TrimRight(_T("0"));
		csText.TrimRight(_T("."));
	}
	else if (NULL != m_pInt)
		csText.Format(_T("%d"), *m_pInt);

	return csText;
}

/*----------------------------------------------------------------------------*
* 描述:   设置当前值
* 备注:   
-----------------------------------------------------------------------------*/
void CPropItemEdit::SetValueText(CString csValue)
{
	CString csText;

	if (NULL != m_pText)
		*m_pText = csValue;
	else if (NULL != m_pDouble)
		*m_pDouble = _tstof(csValue);
	else if (NULL != m_pInt)
		*m_pInt = _ttoi(csValue);
}