// CustomizeTreeCtrl.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 "customizetree.h"
#include "CustomizeTreeCtrl.h"

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

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CCustomizeTreeCtrl::CCustomizeTreeCtrl()
{
	m_bItemsTree = FALSE;
}

CCustomizeTreeCtrl::~CCustomizeTreeCtrl()
{
}

int CCustomizeTreeCtrl::GetItemLevel(CXTPCoreTreeItem* pItem) const
{
	int nLevel = 0;
	while (pItem->GetParentItem() != NULL)
	{
		nLevel++;
		pItem = pItem->GetParentItem();
	}

	return nLevel;
}

void CCustomizeTreeCtrl::StartDragItem(CXTPCoreTreeItem* pItem)
{
	_ASSERTE(pItem);

	if (!m_bItemsTree)
	{
		if (GetItemLevel(pItem) != 2)
			return;
	}

	if (!pItem->IsEnabled())
		return;

	DragItem(pItem, m_bItemsTree ? DROPEFFECT_COPY : DROPEFFECT_MOVE | DROPEFFECT_COPY);
}

BOOL CCustomizeTreeCtrl::OnDrop(COleDataObject* pDataObject, DROPEFFECT dropEffect, CPoint point)
{
	return CXTPCoreTreeControl::OnDrop(pDataObject, dropEffect, point);
}

DROPEFFECT CCustomizeTreeCtrl::OnDragOver(COleDataObject* /*pDataObject*/, DWORD dwKeyState,
										  CPoint point)
{
	if (m_bItemsTree)
		return DROPEFFECT_NONE;

	CXTPCoreTreeItem* pDragOverItem = HitTest(point);
	if (!pDragOverItem)
	{
		SetDragOverItem(NULL);

		return DROPEFFECT_NONE;
	}

	int nLevel = GetItemLevel(pDragOverItem);

	if (nLevel == 2)
	{
		CRect rcItem = pDragOverItem->GetScreenRect();

		XTPCoreTreeDropPosition nDropPosition = rcItem.CenterPoint().y > point.y
													? xtpCoreTreeDropBefore
													: xtpCoreTreeDropAfter;

		SetDragOverItem(pDragOverItem, nDropPosition);
	}
	else if (nLevel == 1)
	{
		SetDragOverItem(pDragOverItem, xtpCoreTreeDropChild);
	}
	else
	{
		SetDragOverItem(NULL);
	}

	DROPEFFECT dropEffect = DROPEFFECT_MOVE;

	if ((dwKeyState & MK_CONTROL) == MK_CONTROL)
	{
		dropEffect = DROPEFFECT_COPY;
	}

	return m_pDragOverItem != NULL ? dropEffect : DROPEFFECT_NONE;
}