// ComboBoxAuto.cpp : 自動補完コンボボックス
//

#include "stdafx.h"
#include "ComboBoxAuto.h"

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

/////////////////////////////////////////////////////////////////////////////
// CComboBoxAuto

CComboBoxAuto::CComboBoxAuto()
{
	m_bAdd = true;
	m_bAuto = m_bDo = true;
	m_max = 10;
}

CComboBoxAuto::~CComboBoxAuto()
{
}

CString	CComboBoxAuto::toString()const
{
	CString	s;
	GetWindowText(s);
	return s;
}

CString CComboBoxAuto::GetAllString()const
{
	CString	t, s = toString();
	int		i, n = GetCount();
	for (i=0;i<n;++i) {
		GetLBText(i,t);
		s += "|";
		s += t;
	}
	return s;
}

void CComboBoxAuto::SetAllString(CString s)
{
	bool b = true;
	CString	t;
	while (s.GetLength()) {
		t = s.SpanExcluding("|");
		if (b) SetWindowText(t);
		else AddString(t);
		b = false;
		s = s.Right(s.GetLength() - t.GetLength() - 1);
	}
}

void CComboBoxAuto::SetString(CString s)
{
	SetWindowText(s);
	OnKillfocus();
}

BEGIN_MESSAGE_MAP(CComboBoxAuto, CComboBox)
	//{{AFX_MSG_MAP(CComboBoxAuto)
	ON_CONTROL_REFLECT(CBN_KILLFOCUS, OnKillfocus)
	ON_CONTROL_REFLECT(CBN_EDITUPDATE, OnEditupdate)
	ON_WM_DROPFILES()
	ON_CONTROL_REFLECT(CBN_DROPDOWN, OnDropdown)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BOOL CComboBoxAuto::PreTranslateMessage(MSG* pMsg) 
{
	if (pMsg->message == WM_KEYDOWN) {
		UINT nChar = pMsg->wParam;
		m_bDo = nChar != VK_DELETE && nChar != VK_BACK;
	}
	return CComboBox::PreTranslateMessage(pMsg);
}

void CComboBoxAuto::OnKillfocus() 
{
	if (!m_bAdd) return;
	CString	s;
	GetWindowText(s);
	if (s.IsEmpty()) return;
	int	i = FindStringExact(-1,s);
	if (i != CB_ERR)
		DeleteString(i);
	InsertString(0,s);
	SetWindowText(s);
	while ((i = GetCount()) > m_max)
		DeleteString(i-1);
}

void CComboBoxAuto::OnEditupdate() 
{
	if (!m_bAuto || !m_bDo) return;
	CString	s;
	GetWindowText(s);
	int		i = s.GetLength();
	if (SelectString(-1,s) == CB_ERR)
		SetWindowText(s);
	SetEditSel(i,-1);
}

void CComboBoxAuto::OnDropFiles(HDROP hDropInfo) 
{
	int		n;
	char	buf[MAX_PATH+1];
	n = ::DragQueryFile(hDropInfo,0xffffffff,buf,sizeof(buf)-1);
	if (n != 1) return;
	*buf = 0;
	::DragQueryFile(hDropInfo,0,buf,sizeof(buf)-1);
	::DragFinish(hDropInfo);
	SetWindowText(buf);
}

void CComboBoxAuto::OnDropdown() 
{
	OnKillfocus();
}