/* -*- 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 .
*/
namespace com::sun::star::sdbc { class XConnection; } namespace com::sun::star::beans { class XPropertySet; }
// column transfer formats enumclass ColumnTransferFormatFlags
{
FIELD_DESCRIPTOR = 0x01, // the field descriptor format
CONTROL_EXCHANGE = 0x02, // the control exchange format
COLUMN_DESCRIPTOR = 0x04, // data access descriptor for a column
}; namespace o3tl
{ template<> struct typed_flags<ColumnTransferFormatFlags> : is_typed_flags<ColumnTransferFormatFlags, 0x07> {};
}
namespace svx
{
//= OColumnTransferable
class SAL_WARN_UNUSED SVXCORE_DLLPUBLIC OColumnTransferable final : public TransferDataContainer
{ public:
OColumnTransferable(ColumnTransferFormatFlags nFormats);
/** construct the transferable from a data access descriptor
Note that some of the aspects, in particular all which cannot be represented as string, can only be transported via the CTF_COLUMN_DESCRIPTOR format.
@param rDescriptor The descriptor for the column. It must contain at least <ul><li>information sufficient to create a connection, that is, either one of DataSource, DatabaseLocation, ConnectionResource, and DataAccessDescriptorProperty::Connection</li> <li>a Command</li> <li>a CommandType</li> <li>a ColumnName or ColumnObject</li> </ul>
*/ void setDescriptor(const ODataAccessDescriptor& rDescriptor);
/** construct the transferable from a DatabaseForm component and a field name
@param _rxForm the form which is bound to the data source which's field is to be dragged
@param _rFieldName the name of the field to be dragged
@param _rxColumn the column object. Won't be used if <arg>_nFormats</arg> does not include the CTF_COLUMN_DESCRIPTOR flag.<br/> May be <NULL/>.
@param _rxConnection the connection the column belongs to. Won't be used if <arg>_nFormats</arg> does not include the CTF_COLUMN_DESCRIPTOR flag.<br/> May be <NULL/>.
@param _nFormats supported formats. Must be a combination of the CTF_XXX flags
*/
OColumnTransferable( const css::uno::Reference< css::beans::XPropertySet >& _rxForm, const OUString& _rFieldName, const css::uno::Reference< css::beans::XPropertySet >& _rxColumn, const css::uno::Reference< css::sdbc::XConnection >& _rxConnection,
ColumnTransferFormatFlags _nFormats
);
/** checks whether or not a column descriptor can be extracted from the data flavor vector given @param _rFlavors available flavors @param _nFormats formats to accept
*/ staticbool canExtractColumnDescriptor(const DataFlavorExVector& _rFlavors, ColumnTransferFormatFlags _nFormats);
/** extracts a column descriptor from the transferable given
*/ staticbool extractColumnDescriptor( const TransferableDataHelper& _rData
,OUString& _rDatasource
,OUString& _rDatabaseLocation
,OUString& _rConnectionResource
,sal_Int32& _nCommandType
,OUString& _rCommand
,OUString& _rFieldName
);
/** extracts a column descriptor from the transferable given
*/ static ODataAccessDescriptor
extractColumnDescriptor(const TransferableDataHelper& _rData);
/** class for transferring data access objects (tables, queries, statements ...)
*/ class SAL_WARN_UNUSED SVXCORE_DLLPUBLIC ODataAccessObjectTransferable : public TransferDataContainer
{
ODataAccessDescriptor m_aDescriptor;
OUString m_sCompatibleObjectDescription; // needed to provide a SotClipboardFormatId::SBA_DATAEXCHANGE format
public: /** should be used copying and the connection is needed. @param _rDatasource The data source name. @param _nCommandType The kind of command. @see com.sun.star.sdbc.CommandType @param _rCommand The command, either a name of a table or query or a SQL statement.
*/ void Update( const OUString& _rDatasource, const sal_Int32 _nCommandType, const OUString& _rCommand, const css::uno::Reference< css::sdbc::XConnection >& _rxConnection
);
/** should be used when copying a query object and no connection is available. @param _rDatasource The data source name. @param _nCommandType The kind of command. @see com.sun.star.sdbc.CommandType @param _rCommand The command, either a name of a table or query or a SQL statement.
*/ void Update( const OUString& _rDatasource, const sal_Int32 _nCommandType, const OUString& _rCommand
);
/** with this ctor, only the object descriptor format will be provided
*/
ODataAccessObjectTransferable( const css::uno::Reference< css::beans::XPropertySet >& _rxLivingForm
);
ODataAccessObjectTransferable();
/** checks whether or not an object descriptor can be extracted from the data flavor vector given @param _rFlavors available flavors @param _nFormats formats to accept
*/ staticbool canExtractObjectDescriptor(const DataFlavorExVector& _rFlavors);
/** extracts an object descriptor from the transferable given
*/ static ODataAccessDescriptor
extractObjectDescriptor(const TransferableDataHelper& _rData);
protected: const ODataAccessDescriptor& getDescriptor() const { return m_aDescriptor; }
ODataAccessDescriptor& getDescriptor() { return m_aDescriptor; } protected: void addCompatibleSelectionDescription( const css::uno::Sequence< css::uno::Any >& _rSelRows
); // normally, a derived class could simply access getDescriptor[DataAccessDescriptorProperty::Selection] and place the sequence therein // but unfortunately, we have this damned compatible format, and this can't be accessed in // derived classes (our class is the only one which should be contaminated with this)
/** class for transferring multiple columns
*/ class SAL_WARN_UNUSED UNLESS_MERGELIBS_MORE(SVXCORE_DLLPUBLIC) OMultiColumnTransferable final : public TransferDataContainer
{ public:
OMultiColumnTransferable();
/** checks whether or not an object descriptor can be extracted from the data flavor vector given @param _rFlavors available flavors @param _nFormats formats to accept
*/ staticbool canExtractDescriptor(const DataFlavorExVector& _rFlavors);
/** extracts an object descriptor from the transferable given
*/ static css::uno::Sequence< css::beans::PropertyValue > extractDescriptor(const TransferableDataHelper& _rData);
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