#include "stdafx.h"
#include "Resource.h"
#include "KTInstLineListBox.h"

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

IMPLEMENT_DYNCREATE(KTInstLineListBox, CListBox)

KTInstLineListBox::KTInstLineListBox()
	: m_pImageList(NULL)
{
}

KTInstLineListBox::~KTInstLineListBox()
{
}

BEGIN_MESSAGE_MAP(KTInstLineListBox, CListBox)
	//{{AFX_MSG_MAP(KTInstLineListBox)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BOOL KTInstLineListBox::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID)
{
	dwStyle &= ~(LBS_MULTICOLUMN|LBS_OWNERDRAWVARIABLE);
	dwStyle |= (WS_VSCROLL|LBS_OWNERDRAWFIXED|LBS_HASSTRINGS);

	return CListBox::Create(dwStyle, rect, pParentWnd, nID);
}

void KTInstLineListBox::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct) 
{
	if (lpMeasureItemStruct->itemID == (UINT) -1)
		return;

	IMAGEINFO info = {0};
	ASSERT(NULL != m_pImageList);
	m_pImageList->GetImageInfo(lpMeasureItemStruct->itemID, &info);

	CDC* pDC = GetDC();
	TEXTMETRIC tm;
	pDC->GetTextMetrics(&tm);
	lpMeasureItemStruct->itemHeight = max(tm.tmHeight, (info.rcImage.bottom - info.rcImage.top));
	ReleaseDC(pDC);
}

void KTInstLineListBox::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
	int iIndex = lpDrawItemStruct->itemID;
	if (iIndex < 0)
		return;

	CString sText;
	CListBox::GetText(iIndex, sText);
	int iImage = CListBox::GetItemData(iIndex);

	IMAGEINFO info = {0};
	ASSERT(NULL != m_pImageList);
	m_pImageList->GetImageInfo(iImage, &info);

	CRect rcItem = lpDrawItemStruct->rcItem;
	CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);

	COLORREF crOldTextColor = pDC->GetTextColor();
	COLORREF crOldBkColor = pDC->GetBkColor();

	pDC->Draw3dRect(rcItem, crOldBkColor, crOldBkColor);
	if ((lpDrawItemStruct->itemAction | ODA_FOCUS) &&
		(lpDrawItemStruct->itemState & ODS_FOCUS))
	{
		pDC->DrawFocusRect(rcItem);
		rcItem.DeflateRect(0, 1);
	}

	rcItem.DeflateRect(1, 0);
	if ((lpDrawItemStruct->itemAction | ODA_SELECT) &&
		(lpDrawItemStruct->itemState & ODS_SELECTED))
	{
		pDC->SetTextColor(::GetSysColor(COLOR_HIGHLIGHTTEXT));
		pDC->SetBkColor(::GetSysColor(COLOR_HIGHLIGHT));
		pDC->FillSolidRect(rcItem, ::GetSysColor(COLOR_HIGHLIGHT));
	}
	else
	{
		pDC->FillSolidRect(rcItem, crOldBkColor);
	}

	m_pImageList->Draw(pDC, iImage, rcItem.TopLeft(), ILD_TRANSPARENT);
	rcItem.left += (info.rcImage.right - info.rcImage.left);

	rcItem.left += 2;
	pDC->DrawText(sText, rcItem, DT_SINGLELINE | DT_LEFT | DT_VCENTER);

	pDC->SetTextColor(crOldTextColor);
	pDC->SetBkColor(crOldBkColor);
}

int KTInstLineListBox::AddString(LPCTSTR lpszLayer, UINT nImage)
{
	int iIndex = CListBox::AddString(lpszLayer);
	if (iIndex >= 0)
		CListBox::SetItemData(iIndex, nImage);
	return iIndex;
}

void KTInstLineListBox::SetImageList(CImageList* pImageList)
{
	ASSERT(pImageList != NULL);
	m_pImageList = pImageList;
}