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

// ExplorerTreeTarget.cpp: implementation of the CExplorerTreeTarget class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "cmyexplorer.h" 
#include "ExplorerTreeTarget.h" 
#include "ExplorerTreeView.h" 
#include "ExplorerListView.h" 
#include "ShellFileOp.h" 
 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
 
extern CExplorerTreeView * g_TreeView; 
extern CExplorerListView * g_ListView; 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CExplorerTreeTarget::CExplorerTreeTarget() 
{ 
	 
} 
 
CExplorerTreeTarget::~CExplorerTreeTarget() 
{ 
 
} 
 
DROPEFFECT CExplorerTreeTarget::OnDragEnter( CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point ) 
{ 
	DROPEFFECT dropeffectRet = DROPEFFECT_NONE; 
 
	return dropeffectRet; 
} 
 
DROPEFFECT CExplorerTreeTarget::OnDragOver(CWnd* pWnd, COleDataObject* pDataObject, DWORD dwKeyState, CPoint point ) 
{ 
	DROPEFFECT dropeffectRet = DROPEFFECT_NONE; 
	if ( pDataObject->IsDataAvailable(CF_HDROP) ) 
	{ 
		if ( g_TreeView ) 
		{ 
			HTREEITEM hHit = g_TreeView->m_pTreeCtrl->HitTest(point); 
			if ( hHit ) 
			{ 
				g_TreeView->m_pTreeCtrl->SelectDropTarget(hHit); 
 
				//	LPTREEPARAM pshItem = (LPTREEPARAM)g_TreeView->m_pTreeCtrl->GetItemData(hHit); 
				//	if ( pshItem->lParam==0 ) 
				{ 
					if ( (dwKeyState & MK_SHIFT) == MK_SHIFT) 
						dropeffectRet = DROPEFFECT_MOVE; 
					else 
						dropeffectRet = DROPEFFECT_COPY; 
				} 
			} 
			else 
			{ 
				g_TreeView->m_pTreeCtrl->SelectDropTarget(NULL); 
			} 
		} 
	} 
	 
	return dropeffectRet; 
} 
 
void CExplorerTreeTarget::OnDragLeave( CWnd* pWnd ) 
{ 
	g_TreeView->m_pTreeCtrl->SelectDropTarget(NULL); 
} 
 
BOOL CExplorerTreeTarget::OnDrop(CWnd* pWnd, COleDataObject* pDataObject,DROPEFFECT dropEffect, CPoint point) 
{	 
	if ( g_TreeView ) 
	{ 
		g_TreeView->m_pTreeCtrl->SelectDropTarget(NULL); 
		HTREEITEM hHit = g_TreeView->m_pTreeCtrl->HitTest(point); 
		if ( hHit ) 
		{ 
			//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_TreeView, FOF_ALLOWUNDO|FOF_NOCONFIRMMKDIR); 
					else 
						op.SetOperationFlags(FO_COPY, g_TreeView, FOF_ALLOWUNDO|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(szDest,MAX_PATH); 
 
					LPTREEPARAM ptrItem = (LPTREEPARAM)g_TreeView->m_pTreeCtrl->GetItemData(hHit); 
					SHGetPathFromIDList(ptrItem->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,(WPARAM)hHit,0); 
						g_ListView->SendMessage(WM_REFRESHFILES,0,0); 
						g_TreeView->SendMessage(WM_REFRESHFILES,(WPARAM)g_TreeView->m_hMoveSrc,0); 
					} 
				} 
			} 
		} 
	} 
 
	return true; 
}