#include "InPlaceEdit.h"

CInPlaceEdit::CInPlaceEdit(int iItem, int iSubItem, CString sInitText) :m_sInitText( sInitText )
{
	m_iItem = iItem;
	m_iSubItem = iSubItem;
	m_bESC = FALSE;
}

CInPlaceEdit::~CInPlaceEdit()
{
}


BEGIN_MESSAGE_MAP(CInPlaceEdit, CEdit)
	//{{AFX_MSG_MAP(CInPlaceEdit)
	ON_WM_KILLFOCUS()
	ON_WM_NCDESTROY()
	ON_WM_CHAR()
	ON_WM_CREATE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BOOL CInPlaceEdit::PreTranslateMessage(MSG* pMsg)
{
	if(pMsg->message == WM_KEYDOWN)
	{
		if(pMsg->wParam == VK_RETURN || pMsg->wParam == VK_DELETE || pMsg->wParam == VK_ESCAPE || GetKeyState(VK_CONTROL))
		{
			::TranslateMessage(pMsg);
			::DispatchMessage(pMsg);
			
			return TRUE;		    	
		}
	}

	return CEdit::PreTranslateMessage(pMsg);
}


void CInPlaceEdit::OnKillFocus(CWnd* pNewWnd)
{
	CEdit::OnKillFocus(pNewWnd);

	CString str;
	GetWindowText(str);

	LV_DISPINFO dispinfo;
	dispinfo.hdr.hwndFrom = GetParent()->m_hWnd;
	dispinfo.hdr.idFrom = GetDlgCtrlID();
	dispinfo.hdr.code = LVN_ENDLABELEDIT;

	dispinfo.item.mask = LVIF_TEXT;
	dispinfo.item.iItem = m_iItem;
	dispinfo.item.iSubItem = m_iSubItem;
	dispinfo.item.pszText = m_bESC ? NULL : LPTSTR((LPCTSTR)str);
	dispinfo.item.cchTextMax = str.GetLength();

	GetParent()->GetParent()->SendMessage(WM_NOTIFY, GetParent()->GetDlgCtrlID(), (LPARAM)&dispinfo);
	GetParent()->SendMessage(END_EDIT, m_iItem, (LPARAM)str.GetBuffer(0));

	DestroyWindow();
}

void CInPlaceEdit::OnNcDestroy()
{
	CEdit::OnNcDestroy();

	delete this;
}


void CInPlaceEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
	if(nChar == VK_ESCAPE || nChar == VK_RETURN)
	{
		if(nChar == VK_ESCAPE)
			m_bESC = TRUE;

		GetParent()->SetFocus();
		return;
	}


	CEdit::OnChar(nChar, nRepCnt, nFlags);

	CString str;

	GetWindowText(str);
	CWindowDC dc(this);
	CFont *pFont = GetParent()->GetFont();
	CFont *pFontDC = dc.SelectObject(pFont);
	CSize size = dc.GetTextExtent(str);
	dc.SelectObject(pFontDC);
	size.cx += 5;			   	

	CRect rect, parentrect;
	GetClientRect(&rect);
	GetParent()->GetClientRect(&parentrect);

	ClientToScreen(&rect);
	GetParent()->ScreenToClient(&rect);

	if(size.cx > rect.Width())
	{
		if(size.cx + rect.left < parentrect.right)
			rect.right = rect.left + size.cx;
		else
			rect.right = parentrect.right;
		
		MoveWindow(&rect);
	}
}

int CInPlaceEdit::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if(CEdit::OnCreate(lpCreateStruct) == -1)
		return -1;

	CFont* font = GetParent()->GetFont();
	SetFont(font);

	SetWindowText(m_sInitText);
	SetFocus();
	SetSel(0, -1);

	return 0;
}