// ShellTreeView.cpp
//
// (c)1998-2025 Codejock Software, All Rights Reserved.
//
// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
// CONSENT OF CODEJOCK SOFTWARE.
//
// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
// SINGLE COMPUTER.
//
// CONTACT INFORMATION:
// support@codejock.com
// http://www.codejock.com
//
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "WinExplorer.h"
#include "ShellTreeView.h"
#include "ShellListView.h"
#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CShellTreeView

IMPLEMENT_DYNCREATE(CShellTreeView, CXTPShellTreeView)

CShellTreeView::CShellTreeView()
	: m_pListView(NULL)
{
}

CShellTreeView::~CShellTreeView()
{
}

BEGIN_MESSAGE_MAP(CShellTreeView, CXTPShellTreeView)
	//{{AFX_MSG_MAP(CShellTreeView)
	ON_WM_NCCALCSIZE()
	ON_WM_NCPAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CShellTreeView drawing

void CShellTreeView::OnDraw(CDC* /*pDC*/)
{
}

void CShellTreeView::OnInitialUpdate()
{
	CXTPShellTreeView::OnInitialUpdate();

	SetExplorerStyle();
}

/////////////////////////////////////////////////////////////////////////////
// CShellTreeView diagnostics

#ifdef _DEBUG
void CShellTreeView::AssertValid() const
{
	CXTPShellTreeView::AssertValid();
}

void CShellTreeView::Dump(CDumpContext& dc) const
{
	CXTPShellTreeView::Dump(dc);
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CShellTreeView message handlers

void CShellTreeView::SelectParentItem()
{
	if (::IsWindow(GetTreeCtrl().m_hWnd))
	{
		HTREEITEM htItem = GetTreeCtrl().GetSelectedItem();
		if (htItem != GetTreeCtrl().GetRootItem())
		{
			GetTreeCtrl().SelectItem(GetTreeCtrl().GetParentItem(htItem));
			GetTreeCtrl().SetFocus();
		}
	}
}

BOOL CShellTreeView::PreCreateWindow(CREATESTRUCT& cs)
{
	if (!CXTPShellTreeView::PreCreateWindow(cs))
		return FALSE;

	cs.dwExStyle |= WS_EX_STATICEDGE;

	return TRUE;
}

int CShellTreeView::GetHeaderHeight() const
{
	if (m_pListView)
	{
		CListCtrl* pListCtrl = &m_pListView->GetListCtrl();
		if (::IsWindow(pListCtrl->GetSafeHwnd()))
		{
			CHeaderCtrl* pHeader = pListCtrl->GetHeaderCtrl();
			if (::IsWindow(pHeader->GetSafeHwnd()))
			{
				CRect rc;
				pHeader->GetWindowRect(&rc);
				return rc.Height();
			}
		}
	}

	return XTP_DPI_Y(19); // default size.
}

void CShellTreeView::OnNcCalcSize(BOOL bCalcValidRects, NCCALCSIZE_PARAMS FAR* lpncsp)
{
	lpncsp->rgrc[0].top = GetHeaderHeight() + XTP_DPI_Y(3);
	CXTPShellTreeView::OnNcCalcSize(bCalcValidRects, lpncsp);
}

void CShellTreeView::OnNcPaint()
{
	// code block: paint scrollbars first.
	{
		Default();
	}

	CWindowDC dc(this);

	CXTPWindowRect rWindow(this);
	rWindow.OffsetRect(-rWindow.TopLeft());

	dc.Draw3dRect(&rWindow, GetXtremeColor(COLOR_3DSHADOW), GetXtremeColor(COLOR_3DHIGHLIGHT));

	rWindow.DeflateRect(1, 1);
	rWindow.bottom = rWindow.top + GetHeaderHeight();

	dc.FillSolidRect(rWindow.left, rWindow.bottom, rWindow.Width(), 1,
					 GetXtremeColor(COLOR_WINDOW));

	CXTPBufferDC memDC(dc, rWindow);

	memDC.FillSolidRect(rWindow, GetXtremeColor(COLOR_3DFACE));
	memDC.Draw3dRect(&rWindow, GetXtremeColor(COLOR_3DHIGHLIGHT), GetXtremeColor(COLOR_3DSHADOW));

	CXTPFontDC fontDC(&memDC, &XTPAuxData().xtpFont);

	rWindow.DeflateRect(XTP_DPI_X(4), XTP_DPI_Y(2));
	memDC.SetBkMode(TRANSPARENT);
	memDC.DrawText(_T("Folders"), &rWindow, DT_SINGLELINE | DT_VCENTER | DT_END_ELLIPSIS);
}