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Diffstat (limited to '')
| -rw-r--r-- | dbaccess/source/ui/browser/dsbrowserDnD.cxx | 266 |
1 files changed, 266 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..cd8c124f0 --- /dev/null +++ b/dbaccess/source/ui/browser/dsbrowserDnD.cxx @@ -0,0 +1,266 @@ +/* -*- 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 "dbtreeview.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/treelistentry.hxx> +#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; + + TransferableHelper* SbaTableQueryBrowser::implCopyObject( SvTreeListEntry* _pApplyTo, sal_Int32 _nCommandType ) + { + try + { + OUString aName = GetEntryText( _pApplyTo ); + OUString aDSName = getDataSourceAccessor( m_pTreeView->getListBox().GetRootLevelParent( _pApplyTo ) ); + + ODataClipboard* pData = nullptr; + SharedConnection xConnection; + if ( CommandType::QUERY != _nCommandType ) + { + if ( !ensureConnection( _pApplyTo, xConnection) ) + return nullptr; + pData = new ODataClipboard(aDSName, _nCommandType, aName, xConnection, getNumberFormatter(), getORB()); + } + else + pData = new ODataClipboard(aDSName, _nCommandType, aName, getNumberFormatter(), getORB()); + + // the ownership goes to ODataClipboards + return pData; + } + catch(const SQLException& ) + { + showError( SQLExceptionInfo( ::cppu::getCaughtException() ) ); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("dbaccess"); + } + return nullptr; + } + sal_Int8 SbaTableQueryBrowser::queryDrop( const AcceptDropEvent& _rEvt, const DataFlavorExVector& _rFlavors ) + { + // check if we're a table or query container + SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rEvt.maPosPixel ); + + if ( pHitEntry ) // no drop if no entry was hit... + { + // it must be a container + EntryType eEntryType = getEntryType( pHitEntry ); + SharedConnection xConnection; + if ( eEntryType == etTableContainer && ensureConnection( pHitEntry, 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 ) + { + SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rEvt.maPosPixel ); + EntryType eEntryType = getEntryType( pHitEntry ); + 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.pDroppedAt = nullptr; + 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.pDroppedAt = pHitEntry; + + // 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( pHitEntry, xDestConnection ) + && xDestConnection.is() + && m_aTableCopyHelper.copyTagTable( aDroppedData, m_aAsyncDrop, xDestConnection ) + ) + { + m_aAsyncDrop.pDroppedAt = pHitEntry; + + // 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 Point& _rPosPixel ) + { + // get the affected list entry + // ensure that the entry which the user clicked at is selected + SvTreeListEntry* pHitEntry = m_pTreeView->getListBox().GetEntry( _rPosPixel ); + if (!pHitEntry) + // no drag of no entry was hit... + return false; + + // it must be a query/table + EntryType eEntryType = getEntryType( pHitEntry ); + if (!isObject(eEntryType)) + return false; + + rtl::Reference<TransferableHelper> pTransfer = implCopyObject( pHitEntry, ( etTableOrView == eEntryType ) ? CommandType::TABLE : CommandType::QUERY); + + if (pTransfer) + pTransfer->StartDrag( &m_pTreeView->getListBox(), DND_ACTION_COPY ); + + return pTransfer.is(); + } + IMPL_LINK_NOARG(SbaTableQueryBrowser, OnCopyEntry, LinkParamNone*, void) + { + SvTreeListEntry* pSelected = m_pTreeView->getListBox().FirstSelected(); + if( isEntryCopyAllowed( pSelected ) ) + copyEntry( pSelected ); + } + bool SbaTableQueryBrowser::isEntryCopyAllowed(SvTreeListEntry const * _pEntry) const + { + EntryType eType = getEntryType(_pEntry); + return ( eType == etTableOrView || eType == etQuery ); + } + void SbaTableQueryBrowser::copyEntry(SvTreeListEntry* _pEntry) + { + TransferableHelper* pTransfer = nullptr; + Reference< XTransferable> aEnsureDelete; + EntryType eType = getEntryType(_pEntry); + pTransfer = implCopyObject( _pEntry, eType == etQuery ? CommandType::QUERY : CommandType::TABLE); + aEnsureDelete = pTransfer; + if (pTransfer) + pTransfer->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.pDroppedAt, xDestConnection ) && xDestConnection.is() ) + { + SvTreeListEntry* pDataSourceEntry = m_pTreeView->getListBox().GetRootLevelParent(m_aAsyncDrop.pDroppedAt); + m_aTableCopyHelper.asyncCopyTagTable( m_aAsyncDrop, getDataSourceAccessor( pDataSourceEntry ), xDestConnection ); + } + } + + m_aAsyncDrop.aDroppedData.clear(); + } + void SbaTableQueryBrowser::clearTreeModel() + { + if (m_pTreeView) + { + auto pTreeModel = m_pTreeView->GetTreeModel(); + // clear the user data of the tree model + SvTreeListEntry* pEntryLoop = pTreeModel->First(); + while (pEntryLoop) + { + DBTreeListUserData* pData = static_cast<DBTreeListUserData*>(pEntryLoop->GetUserData()); + if(pData) + { + pEntryLoop->SetUserData(nullptr); + Reference< XContainer > xContainer(pData->xContainer, UNO_QUERY); + if (xContainer.is()) + xContainer->removeContainerListener(this); + + if ( pData->xConnection.is() ) + { + OSL_ENSURE( impl_isDataSourceEntry( pEntryLoop ), "SbaTableQueryBrowser::clearTreeModel: no data source entry, but a connection?" ); + // connections are to be stored *only* at the data source entries + impl_releaseConnection( pData->xConnection ); + } + + delete pData; + } + pEntryLoop = pTreeModel->Next(pEntryLoop); + } + } + m_pCurrentlyDisplayed = nullptr; + } +} // namespace dbaui + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |