www.pudn.com > TrueCrypt.rar > ExplorerListTarget.cpp

// ExplorerListTarget.cpp: implementation of the CExplorerListTarget class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "cmyexplorer.h" 
#include "ExplorerListTarget.h" 
#include "ExplorerListView.h" 
#include "ExplorerTreeView.h" 
#include "ShellFileOp.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
extern CExplorerListView * g_ListView; 
extern CExplorerTreeView * g_TreeView; 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CExplorerListTarget::CExplorerListTarget() 
{ 
	m_nLastDrop = -1; 
} 
 
CExplorerListTarget::~CExplorerListTarget() 
{ 
 
} 
 
DROPEFFECT CExplorerListTarget::OnDragEnter( CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point ) 
{ 
	DROPEFFECT dropeffectRet = DROPEFFECT_NONE; 
 
	return dropeffectRet; 
} 
 
DROPEFFECT CExplorerListTarget::OnDragOver(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point ) 
{ 
	DROPEFFECT dropeffectRet = DROPEFFECT_NONE; 
 
	if ( pDataObject->IsDataAvailable(CF_HDROP) ) 
	{ 
		if ( (dwKeyState & MK_SHIFT) == MK_SHIFT) 
			dropeffectRet = DROPEFFECT_MOVE; 
		else 
			dropeffectRet = DROPEFFECT_COPY; 
 
		int nHit = g_ListView->m_pListCtrl->HitTest(point); 
		if ( nHit!=-1 ) 
		{ 
			LPLISTPARAM pliParam = (LPLISTPARAM)g_ListView->m_pListCtrl->GetItemData(nHit); 
			if ( pliParam->uType==1 ) 
			{ 
				g_ListView->m_pListCtrl->SetItemState(nHit,LVIS_DROPHILITED,LVIS_DROPHILITED); 
				 
				if ( m_nLastDrop!=-1 && m_nLastDrop!=nHit ) 
					g_ListView->m_pListCtrl->SetItemState(m_nLastDrop,~LVIS_DROPHILITED,LVIS_DROPHILITED); 
				m_nLastDrop = nHit; 
			} 
			else 
			{ 
				g_ListView->m_pListCtrl->SetItemState(m_nLastDrop,~LVIS_DROPHILITED,LVIS_DROPHILITED); 
				m_nLastDrop = -1; 
			} 
		} 
		else 
		{ 
			g_ListView->m_pListCtrl->SetItemState(m_nLastDrop,~LVIS_DROPHILITED,LVIS_DROPHILITED); 
			m_nLastDrop = -1; 
		} 
	} 
	 
	return dropeffectRet; 
} 
 
void CExplorerListTarget::OnDragLeave( CWnd* pWnd ) 
{ 
	if ( g_ListView && m_nLastDrop!=-1 ) 
	{ 
		g_ListView->m_pListCtrl->SetItemState(m_nLastDrop,~LVIS_DROPHILITED,LVIS_DROPHILITED); 
		m_nLastDrop = -1; 
	} 
} 
 
BOOL CExplorerListTarget::OnDrop(CWnd* pWnd, COleDataObject* pDataObject,DROPEFFECT dropEffect, CPoint point) 
{	 
	if ( g_ListView ) 
	{ 
		if ( m_nLastDrop!=-1 ) 
		{ 
			g_ListView->m_pListCtrl->SetItemState(m_nLastDrop,~LVIS_DROPHILITED,LVIS_DROPHILITED); 
			m_nLastDrop = -1; 
		} 
				 
		//获取拖放的信息 
		if ( pDataObject->IsDataAvailable(CF_HDROP) ) 
		{ 
			HGLOBAL hglobal = pDataObject->GetGlobalData(CF_HDROP, NULL); 
			if( hglobal != NULL ) 
			{ 
				CShellFileOp op; 
				if ( dropEffect & DROPEFFECT_MOVE ) 
					op.SetOperationFlags(FO_MOVE, g_ListView, FOF_ALLOWUNDO|FOF_NOCONFIRMMKDIR); 
				else 
					op.SetOperationFlags(FO_COPY, g_ListView, FOF_ALLOWUNDO|FOF_NOCONFIRMMKDIR); 
 
		//		op.SetOperationFlags(FO_COPY, g_ListView, 
		//			FOF_ALLOWUNDO|FOF_FILESONLY|FOF_NOCONFIRMMKDIR); 
				 
				char * szFileName = new char[MAX_PATH]; 
				HDROP hDrop = (HDROP)GlobalLock(hglobal); 
				int FileNum = DragQueryFile(hDrop,-1,NULL,0); 
				for ( int i =0 ; i < FileNum ; i++ ) 
				{ 
					ZeroMemory(szFileName,MAX_PATH); 
					DragQueryFile(hDrop,i,szFileName,255); 
					op.AddSourceFile(szFileName); 
				} 
				delete szFileName; 
				 
				char * szDest = new char[MAX_PATH]; 
				ZeroMemory(szFileName,MAX_PATH); 
 
				LPTREEPARAM ptrItem = (LPTREEPARAM)g_TreeView->GetSelTreeData(); 
				SHGetPathFromIDList(ptrItem->lpidl,szDest); 
				int  nHit = g_ListView->m_pListCtrl->HitTest(point); 
				if ( nHit!=-1 ) 
				{ 
					LPLISTPARAM pliItem = (LPLISTPARAM)g_ListView->m_pListCtrl->GetItemData(nHit); 
					if ( pliItem->uType==0 ) 
						SHGetPathFromIDList(pliItem->lpidl,szDest); 
				} 
				op.AddDestFile (szDest); 
				BOOL bSuccess, bAPICalled = FALSE, bAborted = FALSE; 
				int  nAPIReturn = 0; 
				 
				bSuccess = op.Go (&bAPICalled, &nAPIReturn, &bAborted); 
				 
				GlobalFree(hglobal); 
				delete szDest; 
				 
				//refresh 
				if ( bSuccess && !bAborted ) 
				{ 
					g_TreeView->SendMessage(WM_REFRESHFILES,0,0); 
					g_ListView->SendMessage(WM_REFRESHFILES,0,0); 
					g_TreeView->SendMessage(WM_REFRESHFILES,(WPARAM)g_TreeView->m_hMoveSrc,0); 
				} 
			} 
		} 
	} 
 
	return true; 
}