C++ (Cpp) CDragDropManager::Release示例

示例#1

文件： LocalTreeView.cpp 项目： idgaf/FileZilla3

void CLocalTreeView::OnBeginDrag(wxTreeEvent& event)
{
	wxTreeItemId item = event.GetItem();
	if (!item)
		return;

#ifdef __WXMSW__
	if (item == m_drives || item == m_desktop || item == m_documents)
		return;
#endif

	wxString dir = GetDirFromItem(item);
	if (dir == _T("/"))
		return;

#ifdef __WXMSW__
	if (dir.Last() == '\\')
		dir.RemoveLast();
#endif
	if (dir.Last() == '/')
		dir.RemoveLast();

#ifdef __WXMSW__
	if (dir.Last() == ':')
		return;
#endif

	CDragDropManager* pDragDropManager = CDragDropManager::Init();
	pDragDropManager->pDragSource = this;

	wxFileDataObject obj;

	obj.AddFile(dir);

	wxDropSource source(this);
	source.SetData(obj);
	int res = source.DoDragDrop(wxDrag_AllowMove);

	bool handled_internally = pDragDropManager->pDropTarget != 0;

	pDragDropManager->Release();

	if (!handled_internally && (res == wxDragCopy || res == wxDragMove))
	{
		// We only need to refresh local side if the operation got handled
		// externally, the internal handlers do this for us already
		m_pState->RefreshLocal();
	}
}

示例#2

文件： RemoteTreeView.cpp 项目： oneminot/filezilla3

void CRemoteTreeView::OnBeginDrag(wxTreeEvent& event)
{
	// Drag could result in recursive operation, don't allow at this point
	if (!m_pState->IsRemoteIdle()) {
		wxBell();
		return;
	}

	const wxTreeItemId& item = event.GetItem();
	if (!item)
		return;

	CServerPath path = GetPathFromItem(item);
	if (path.empty() || !path.HasParent())
		return;

	const CServerPath& parent = path.GetParent();
	const wxString& lastSegment = path.GetLastSegment();
	if (lastSegment.empty())
		return;

	wxDataObjectComposite object;

	CServer const* pServer = m_pState->GetServer();
	if (!pServer)
		return;
	CServer const server = *pServer;


	CRemoteDataObject *pRemoteDataObject = new CRemoteDataObject(*pServer, parent);
	pRemoteDataObject->AddFile(lastSegment, true, -1, false);

	pRemoteDataObject->Finalize();

	object.Add(pRemoteDataObject, true);

#if FZ3_USESHELLEXT
	std::unique_ptr<CShellExtensionInterface> ext = CShellExtensionInterface::CreateInitialized();
	if (ext) {
		const wxString& file = ext->GetDragDirectory();

		wxASSERT(!file.empty());

		wxFileDataObject *pFileDataObject = new wxFileDataObject;
		pFileDataObject->AddFile(file);

		object.Add(pFileDataObject);
	}
#endif

	CDragDropManager* pDragDropManager = CDragDropManager::Init();
	pDragDropManager->pDragSource = this;
	pDragDropManager->server = *pServer;
	pDragDropManager->remoteParent = parent;

	wxDropSource source(this);
	source.SetData(object);

	int res = source.DoDragDrop();

	pDragDropManager->Release();

	if (res != wxDragCopy) {
		return;
	}

#if FZ3_USESHELLEXT
	if (ext) {
		if (!pRemoteDataObject->DidSendData()) {
			pServer = m_pState->GetServer();
			if (!pServer || !m_pState->IsRemoteIdle() || *pServer != server) {
				wxBell();
				return;
			}

			CLocalPath target(ext->GetTarget());
			if (target.empty()) {
				ext.reset(); // Release extension before the modal message box
				wxMessageBoxEx(_("Could not determine the target of the Drag&Drop operation.\nEither the shell extension is not installed properly or you didn't drop the files into an Explorer window."));
				return;
			}

			m_pState->DownloadDroppedFiles(pRemoteDataObject, target);
		}
	}
#endif
}

示例#3

文件： LocalListView.cpp 项目： bartojak/osp-filezilla

void CLocalListView::OnBeginDrag(wxListEvent& event)
{
	long item = -1;
	for (;;)
	{
		item = GetNextItem(item, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
		if (item == -1)
			break;

		if (!item && m_hasParent)
			return;
	}

	wxFileDataObject obj;

	CDragDropManager* pDragDropManager = CDragDropManager::Init();
	pDragDropManager->pDragSource = this;
	pDragDropManager->localParent = m_dir;

	item = -1;
	for (;;)
	{
		item = GetNextItem(item, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
		if (item == -1)
			break;

		CLocalFileData *data = GetData(item);
		if (!data)
			continue;

		if (data->flags == fill)
			continue;

		const wxString name = m_dir + data->name;
		pDragDropManager->m_localFiles.push_back(name);
		obj.AddFile(name);
	}

	if (obj.GetFilenames().IsEmpty())
	{
		pDragDropManager->Release();
		return;
	}

	CLabelEditBlocker b(*this);

	wxDropSource source(this);
	source.SetData(obj);
	int res = source.DoDragDrop(wxDrag_AllowMove);

	bool handled_internally = pDragDropManager->pDropTarget != 0;

	pDragDropManager->Release();

	if (!handled_internally && (res == wxDragCopy || res == wxDragMove))
	{
		// We only need to refresh local side if the operation got handled
		// externally, the internal handlers do this for us already
		m_pState->RefreshLocal();
	}
}