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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SVX_DBAEXCHANGE_HXX_
#define _SVX_DBAEXCHANGE_HXX_
#include <svtools/transfer.hxx>
#include <comphelper/stl_types.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/sdbc/XConnection.hpp>
#include <svx/dataaccessdescriptor.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include "svx/svxdllapi.h"
//........................................................................
namespace svx
{
//........................................................................
// column transfer formats
#define CTF_FIELD_DESCRIPTOR 0x0001 // the field descriptor format
#define CTF_CONTROL_EXCHANGE 0x0002 // the control exchange format
#define CTF_COLUMN_DESCRIPTOR 0x0004 // data access descriptor for a column
//====================================================================
//= OColumnTransferable
//====================================================================
class SVX_DLLPUBLIC OColumnTransferable : public TransferableHelper
{
protected:
ODataAccessDescriptor m_aDescriptor;
::rtl::OUString m_sCompatibleFormat;
sal_Int32 m_nFormatFlags;
public:
/** construct the transferable
*/
OColumnTransferable(
const ::rtl::OUString& _rDatasource
,const ::rtl::OUString& _rConnectionResource
,const sal_Int32 _nCommandType
,const ::rtl::OUString& _rCommand
,const ::rtl::OUString& _rFieldName
,sal_Int32 _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 daConnection</li>
<li>a Command</li>
<li>a CommandType</li>
<li>a ColumnName or ColumnObject</li>
</ul>
*/
OColumnTransferable(
const ODataAccessDescriptor& _rDescriptor,
sal_Int32 _nFormats
);
/** 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 ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxForm,
const ::rtl::OUString& _rFieldName,
const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxColumn,
const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection,
sal_Int32 _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
*/
static sal_Bool canExtractColumnDescriptor(const DataFlavorExVector& _rFlavors, sal_Int32 _nFormats);
/** extracts a column descriptor from the transferable given
*/
static sal_Bool extractColumnDescriptor(
const TransferableDataHelper& _rData
,::rtl::OUString& _rDatasource
,::rtl::OUString& _rDatabaseLocation
,::rtl::OUString& _rConnectionResource
,sal_Int32& _nCommandType
,::rtl::OUString& _rCommand
,::rtl::OUString& _rFieldName
);
/** extracts a column descriptor from the transferable given
*/
static ODataAccessDescriptor
extractColumnDescriptor(const TransferableDataHelper& _rData);
/** adds the data contained in the object to the given data container
<p>This method helps you treating this class as simple container class:<br/>
At the moment, it is a data container and a transferable.
Using <method>addDataToContainer</method>, you can treat the class as dumb data container,
doing the Drag'n'Drop with a <type>TransferDataContainer</type> instance (which may contain
additional formats)</p>
@TODO
split this class into a two separate classes: one for the data container aspect, one for
the transfer aspect
*/
void addDataToContainer( TransferDataContainer* _pContainer );
protected:
// TransferableHelper overridables
virtual void AddSupportedFormats();
virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
static sal_uInt32 getDescriptorFormatId();
private:
SVX_DLLPRIVATE void implConstruct(
const ::rtl::OUString& _rDatasource
,const ::rtl::OUString& _rConnectionResource
,const sal_Int32 _nCommandType
,const ::rtl::OUString& _rCommand
,const ::rtl::OUString& _rFieldName
);
};
//====================================================================
//= ODataAccessObjectTransferable
//====================================================================
/** class for transfering data access objects (tables, queries, statements ...)
*/
class SVX_DLLPUBLIC ODataAccessObjectTransferable : public TransferableHelper
{
ODataAccessDescriptor m_aDescriptor;
::rtl::OUString m_sCompatibleObjectDescription;
// needed to provide a SOT_FORMATSTR_ID_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.
*/
ODataAccessObjectTransferable(
const ::rtl::OUString& _rDatasourceOrLocation
,const ::rtl::OUString& _rConnectionResource
,const sal_Int32 _nCommandType
,const ::rtl::OUString& _rCommand
,const ::com::sun::star::uno::Reference< ::com::sun::star::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.
*/
ODataAccessObjectTransferable(
const ::rtl::OUString& _rDatasourceOrLocation
,const ::rtl::OUString& _rConnectionResource
,const sal_Int32 _nCommandType
,const ::rtl::OUString& _rCommand
);
/** with this ctor, only the object descriptor format will be provided
*/
ODataAccessObjectTransferable(
const ::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet >& _rxLivingForm
);
/** 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
*/
static sal_Bool canExtractObjectDescriptor(const DataFlavorExVector& _rFlavors);
/** extracts a object descriptor from the transferable given
*/
static ODataAccessDescriptor
extractObjectDescriptor(const TransferableDataHelper& _rData);
protected:
virtual void AddSupportedFormats();
virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
virtual void ObjectReleased();
protected:
const ODataAccessDescriptor& getDescriptor() const { return m_aDescriptor; }
ODataAccessDescriptor& getDescriptor() { return m_aDescriptor; }
protected:
void addCompatibleSelectionDescription(
const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& _rSelRows
);
// normally, a derived class could simply access getDescriptor[daSelection] 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)
private:
SVX_DLLPRIVATE void construct( const ::rtl::OUString& _rDatasourceOrLocation
,const ::rtl::OUString& _rConnectionResource
,const sal_Int32 _nCommandType
,const ::rtl::OUString& _rCommand
,const ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection >& _rxConnection
,sal_Bool _bAddCommand
,const ::rtl::OUString& _sActiveCommand);
};
//====================================================================
//= OMultiColumnTransferable
//====================================================================
/** class for transfering multiple columns
*/
class SVX_DLLPUBLIC OMultiColumnTransferable : public TransferableHelper
{
::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > m_aDescriptors;
public:
OMultiColumnTransferable(const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& _aDescriptors);
void push_back(ODataAccessDescriptor& _aDescriptor);
/** 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
*/
static sal_Bool canExtractDescriptor(const DataFlavorExVector& _rFlavors);
/** extracts a object descriptor from the transferable given
*/
static ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > extractDescriptor(const TransferableDataHelper& _rData);
protected:
virtual void AddSupportedFormats();
virtual sal_Bool GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor );
virtual void ObjectReleased();
static sal_uInt32 getDescriptorFormatId();
};
//........................................................................
} // namespace svx
//........................................................................
#endif // _SVX_DBAEXCHANGE_HXX_
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