diff options
Diffstat (limited to 'dbaccess/source/ui/browser/dsbrowserDnD.cxx')
| -rw-r--r-- | dbaccess/source/ui/browser/dsbrowserDnD.cxx | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/dbaccess/source/ui/browser/dsbrowserDnD.cxx b/dbaccess/source/ui/browser/dsbrowserDnD.cxx new file mode 100644 index 000000000..961fd731a --- /dev/null +++ b/dbaccess/source/ui/browser/dsbrowserDnD.cxx @@ -0,0 +1,258 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <dbexchange.hxx> +#include <dbtreelistbox.hxx> +#include "dbtreemodel.hxx" +#include <UITools.hxx> +#include <unodatbr.hxx> + +#include <com/sun/star/frame/XStorable.hpp> +#include <com/sun/star/sdb/CommandType.hpp> +#include <com/sun/star/sdbc/SQLException.hpp> + +#include <connectivity/dbexception.hxx> +#include <connectivity/dbtools.hxx> +#include <cppuhelper/exc_hlp.hxx> +#include <svx/dataaccessdescriptor.hxx> +#include <tools/diagnose_ex.h> +#include <osl/diagnose.h> +#include <vcl/svapp.hxx> + +#include <algorithm> + +namespace dbaui +{ + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::sdb; + using namespace ::com::sun::star::sdbc; + using namespace ::com::sun::star::sdbcx; + using namespace ::com::sun::star::beans; + using namespace ::com::sun::star::util; + using namespace ::com::sun::star::frame; + using namespace ::com::sun::star::container; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::form; + using namespace ::com::sun::star::io; + using namespace ::com::sun::star::i18n; + using namespace ::com::sun::star::task; + using namespace ::com::sun::star::datatransfer; + using namespace ::dbtools; + using namespace ::svx; + + bool SbaTableQueryBrowser::implCopyObject(ODataClipboard& rExchange, const weld::TreeIter& rApplyTo, sal_Int32 nCommandType) + { + try + { + OUString aName = GetEntryText(rApplyTo); + std::unique_ptr<weld::TreeIter> xRootEntry(m_pTreeView->GetRootLevelParent(&rApplyTo)); + OUString aDSName = getDataSourceAccessor(*xRootEntry); + + SharedConnection xConnection; + if ( CommandType::QUERY != nCommandType ) + { + if (!ensureConnection(&rApplyTo, xConnection)) + return false; + rExchange.Update(aDSName, nCommandType, aName, xConnection, getNumberFormatter(), getORB()); + } + else + rExchange.Update(aDSName, nCommandType, aName, getNumberFormatter(), getORB()); + + // the ownership goes to ODataClipboards + return true; + } + catch(const SQLException& ) + { + showError( SQLExceptionInfo( ::cppu::getCaughtException() ) ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + return false; + } + + sal_Int8 SbaTableQueryBrowser::queryDrop( const AcceptDropEvent& _rEvt, const DataFlavorExVector& _rFlavors ) + { + // check if we're a table or query container + weld::TreeView& rTreeView = m_pTreeView->GetWidget(); + std::unique_ptr<weld::TreeIter> xHitEntry(rTreeView.make_iterator()); + // get_dest_row_at_pos with false cause no drop if no entry was hit exactly + if (rTreeView.get_dest_row_at_pos(_rEvt.maPosPixel, xHitEntry.get(), false)) + { + // it must be a container + EntryType eEntryType = getEntryType(*xHitEntry); + SharedConnection xConnection; + if ( eEntryType == etTableContainer && ensureConnection(xHitEntry.get(), xConnection ) && xConnection.is()) + { + Reference<XChild> xChild(xConnection,UNO_QUERY); + Reference<XStorable> xStore; + if ( xChild.is() ) + xStore.set( getDataSourceOrModel(xChild->getParent()), UNO_QUERY ); + // check for the concrete type + if ( xStore.is() && !xStore->isReadonly() && std::any_of(_rFlavors.begin(),_rFlavors.end(),TAppSupportedSotFunctor(E_TABLE)) ) + return DND_ACTION_COPY; + } + } + + return DND_ACTION_NONE; + } + sal_Int8 SbaTableQueryBrowser::executeDrop( const ExecuteDropEvent& _rEvt ) + { + weld::TreeView& rTreeView = m_pTreeView->GetWidget(); + std::unique_ptr<weld::TreeIter> xHitEntry(rTreeView.make_iterator()); + // get_dest_row_at_pos with false cause no drop if no entry was hit exactly + if (!rTreeView.get_dest_row_at_pos(_rEvt.maPosPixel, xHitEntry.get(), false)) + return DND_ACTION_NONE; + EntryType eEntryType = getEntryType(*xHitEntry); + if (!isContainer(eEntryType)) + { + OSL_FAIL("SbaTableQueryBrowser::executeDrop: what the hell did queryDrop do?"); + // queryDrop should not have allowed us to reach this situation... + return DND_ACTION_NONE; + } + // a TransferableDataHelper for accessing the dropped data + TransferableDataHelper aDroppedData(_rEvt.maDropEvent.Transferable); + + // reset the data of the previous async drop (if any) + if ( m_nAsyncDrop ) + Application::RemoveUserEvent(m_nAsyncDrop); + + m_nAsyncDrop = nullptr; + m_aAsyncDrop.aDroppedData.clear(); + m_aAsyncDrop.nType = E_TABLE; + m_aAsyncDrop.nAction = _rEvt.mnAction; + m_aAsyncDrop.bError = false; + m_aAsyncDrop.bHtml = false; + m_aAsyncDrop.xDroppedAt.reset(); + m_aAsyncDrop.aUrl.clear(); + + // loop through the available formats and see what we can do ... + // first we have to check if it is our own format, if not we have to copy the stream :-( + if ( ODataAccessObjectTransferable::canExtractObjectDescriptor(aDroppedData.GetDataFlavorExVector()) ) + { + m_aAsyncDrop.aDroppedData = ODataAccessObjectTransferable::extractObjectDescriptor(aDroppedData); + m_aAsyncDrop.xDroppedAt = std::move(xHitEntry); + + // asynchron because we some dialogs and we aren't allowed to show them while in D&D + m_nAsyncDrop = Application::PostUserEvent(LINK(this, SbaTableQueryBrowser, OnAsyncDrop)); + return DND_ACTION_COPY; + } + else + { + SharedConnection xDestConnection; + if ( ensureConnection( xHitEntry.get(), xDestConnection ) + && xDestConnection.is() + && m_aTableCopyHelper.copyTagTable( aDroppedData, m_aAsyncDrop, xDestConnection ) + ) + { + m_aAsyncDrop.xDroppedAt = std::move(xHitEntry); + + // asynchron because we some dialogs and we aren't allowed to show them while in D&D + m_nAsyncDrop = Application::PostUserEvent(LINK(this, SbaTableQueryBrowser, OnAsyncDrop)); + return DND_ACTION_COPY; + } + } + + return DND_ACTION_NONE; + } + + bool SbaTableQueryBrowser::requestDrag(const weld::TreeIter& rEntry) + { + // it must be a query/table + EntryType eEntryType = getEntryType(rEntry); + if (!isObject(eEntryType)) + return false; + + ODataClipboard& rExchange = static_cast<ODataClipboard&>(m_pTreeView->GetDataTransfer()); + return implCopyObject(rExchange, rEntry, (etTableOrView == eEntryType) ? CommandType::TABLE : CommandType::QUERY); + } + + IMPL_LINK_NOARG(SbaTableQueryBrowser, OnCopyEntry, LinkParamNone*, void) + { + weld::TreeView& rTreeView = m_pTreeView->GetWidget(); + std::unique_ptr<weld::TreeIter> xSelected = rTreeView.make_iterator(); + if (rTreeView.get_selected(xSelected.get()) && isEntryCopyAllowed(*xSelected)) + copyEntry(*xSelected); + } + + bool SbaTableQueryBrowser::isEntryCopyAllowed(const weld::TreeIter& rEntry) const + { + EntryType eType = getEntryType(rEntry); + return ( eType == etTableOrView || eType == etQuery ); + } + + void SbaTableQueryBrowser::copyEntry(const weld::TreeIter& rEntry) + { + EntryType eType = getEntryType(rEntry); + rtl::Reference<ODataClipboard> xTransfer(new ODataClipboard); + if (implCopyObject(*xTransfer, rEntry, eType == etQuery ? CommandType::QUERY : CommandType::TABLE)) + xTransfer->CopyToClipboard(getView()); + } + + IMPL_LINK_NOARG( SbaTableQueryBrowser, OnAsyncDrop, void*, void ) + { + m_nAsyncDrop = nullptr; + SolarMutexGuard aSolarGuard; + ::osl::MutexGuard aGuard( getMutex() ); + + if ( m_aAsyncDrop.nType == E_TABLE ) + { + SharedConnection xDestConnection; + if ( ensureConnection(m_aAsyncDrop.xDroppedAt.get(), xDestConnection) && xDestConnection.is()) + { + std::unique_ptr<weld::TreeIter> xDataSourceEntry = + m_pTreeView->GetRootLevelParent(m_aAsyncDrop.xDroppedAt.get()); + m_aTableCopyHelper.asyncCopyTagTable(m_aAsyncDrop, getDataSourceAccessor(*xDataSourceEntry), xDestConnection); + } + } + + m_aAsyncDrop.aDroppedData.clear(); + } + + void SbaTableQueryBrowser::clearTreeModel() + { + weld::TreeView& rTreeView = m_pTreeView->GetWidget(); + rTreeView.all_foreach([this, &rTreeView](weld::TreeIter& rEntryLoop){ + // clear the user data of the tree model + DBTreeListUserData* pData = weld::fromId<DBTreeListUserData*>(rTreeView.get_id(rEntryLoop)); + if (pData) + { + rTreeView.set_id(rEntryLoop, OUString()); + Reference<XContainer> xContainer(pData->xContainer, UNO_QUERY); + if (xContainer.is()) + xContainer->removeContainerListener(this); + + if (pData->xConnection.is()) + { + // connections are to be stored *only* at the data source entries + impl_releaseConnection(pData->xConnection); + } + + delete pData; + } + return false; + }); + + m_xCurrentlyDisplayed.reset(); + } +} // namespace dbaui + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |