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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: entrylisthelper.hxx,v $
* $Revision: 1.8 $
*
* 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 FORMS_ENTRYLISTHELPER_HXX
#define FORMS_ENTRYLISTHELPER_HXX
#ifndef _COM_SUN_STAR_FORM_BINDING_XLISTENTRYSINK_HDL_
#include <com/sun/star/form/binding/XListEntrySink.hpp>
#endif
#ifndef _COM_SUN_STAR_FORM_BINDING_XLISTENTRYLISTENER_HDL_
#include <com/sun/star/form/binding/XListEntryListener.hpp>
#endif
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <cppuhelper/implbase2.hxx>
//.........................................................................
namespace frm
{
//.........................................................................
//=====================================================================
//= OEntryListHelper
//=====================================================================
typedef ::cppu::ImplHelper2 < ::com::sun::star::form::binding::XListEntrySink
, ::com::sun::star::form::binding::XListEntryListener
> OEntryListHelper_BASE;
class OEntryListHelper : public OEntryListHelper_BASE
{
private:
::osl::Mutex& m_rMutex;
::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XListEntrySource >
m_xListSource; /// our external list source
::com::sun::star::uno::Sequence< ::rtl::OUString >
m_aStringItems; /// "overridden" StringItemList property value
protected:
OEntryListHelper( ::osl::Mutex& _rMutex );
OEntryListHelper( const OEntryListHelper& _rSource, ::osl::Mutex& _rMutex );
virtual ~OEntryListHelper( );
/// returns the current string item list
inline const ::com::sun::star::uno::Sequence< ::rtl::OUString >&
getStringItemList() const { return m_aStringItems; }
inline const ::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XListEntrySource >&
getExternalListEntrySource() const { return m_xListSource; }
/// determines whether we actually have an external list source
inline bool hasExternalListSource( ) const { return m_xListSource.is(); }
/** handling the XEventListener::disposing call for the case where
our list source is being disposed
@return
<TRUE/> if and only if the disposed object was our list source, and so the
event was handled
*/
bool handleDisposing( const ::com::sun::star::lang::EventObject& _rEvent );
/** to be called by derived classes' instances when they're being disposed
*/
void disposing( );
// prevent method hiding
virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException) = 0;
/** helper for implementing convertFastPropertyValue( StringItemList )
<p>The signature of this method and the return type have the same semantics
as convertFastPropertyValue.</p>
*/
sal_Bool convertNewListSourceProperty(
::com::sun::star::uno::Any& _rConvertedValue,
::com::sun::star::uno::Any& _rOldValue,
const ::com::sun::star::uno::Any& _rValue
)
SAL_THROW( ( ::com::sun::star::lang::IllegalArgumentException ) );
/** helper for implementing setFastPropertyValueNoBroadcast
<p>Will internally call stringItemListChanged after the new item list
has been set.</p>
@precond
not to be called when we have an external list source
@see hasExternalListSource
*/
void setNewStringItemList( const ::com::sun::star::uno::Any& _rValue );
/** announces that the list of entries has changed.
<p>Derived classes have to override this. Most probably, they'll set the new
as model property.</p>
@pure
@see getStringItemList
*/
virtual void stringItemListChanged( ) = 0;
/** called whenever a connection to a new external list source has been established
*/
virtual void connectedExternalListSource( );
/** called whenever a connection to a new external list source has been revoked
*/
virtual void disconnectedExternalListSource( );
private:
// XListEntrySink
virtual void SAL_CALL setListEntrySource( const ::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XListEntrySource >& _rxSource ) throw (::com::sun::star::uno::RuntimeException);
virtual ::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XListEntrySource > SAL_CALL getListEntrySource( ) throw (::com::sun::star::uno::RuntimeException);
// XListEntryListener
virtual void SAL_CALL entryChanged( const ::com::sun::star::form::binding::ListEntryEvent& _rSource ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL entryRangeInserted( const ::com::sun::star::form::binding::ListEntryEvent& _rSource ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL entryRangeRemoved( const ::com::sun::star::form::binding::ListEntryEvent& _rSource ) throw (::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL allEntriesChanged( const ::com::sun::star::lang::EventObject& _rSource ) throw (::com::sun::star::uno::RuntimeException);
private:
/** disconnects from the active external list source, if present
@see connectExternalListSource
*/
void disconnectExternalListSource( );
/** connects to a new external list source
@param _rxSource
the new list source. Must not be <NULL/>
@see disconnectExternalListSource
*/
void connectExternalListSource(
const ::com::sun::star::uno::Reference< ::com::sun::star::form::binding::XListEntrySource >& _rxSource
);
private:
OEntryListHelper(); // never implemented
OEntryListHelper( const OEntryListHelper& ); // never implemented
OEntryListHelper& operator=( const OEntryListHelper& ); // never implemented
};
//.........................................................................
} // namespace frm
//.........................................................................
#endif // FORMS_ENTRYLISTHELPER_HXX
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