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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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 FORMS_ENTRYLISTHELPER_HXX
#define FORMS_ENTRYLISTHELPER_HXX
/** === begin UNO includes === **/
#include <com/sun/star/form/binding/XListEntrySink.hpp>
#include <com/sun/star/util/XRefreshable.hpp>
#include <com/sun/star/form/binding/XListEntryListener.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
/** === end UNO includes === **/
#include <cppuhelper/implbase3.hxx>
#include <cppuhelper/interfacecontainer.hxx>
//.........................................................................
namespace frm
{
//.........................................................................
class OControlModel;
class ControlModelLock;
//=====================================================================
//= OEntryListHelper
//=====================================================================
typedef ::cppu::ImplHelper3 < ::com::sun::star::form::binding::XListEntrySink
, ::com::sun::star::form::binding::XListEntryListener
, ::com::sun::star::util::XRefreshable
> OEntryListHelper_BASE;
class OEntryListHelper : public OEntryListHelper_BASE
{
private:
OControlModel& m_rControlModel;
::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
::cppu::OInterfaceContainerHelper
m_aRefreshListeners;
protected:
OEntryListHelper( OControlModel& _rControlModel );
OEntryListHelper( const OEntryListHelper& _rSource, OControlModel& _rControlModel );
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, ControlModelLock& _rInstanceLock );
/** 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( ControlModelLock& _rInstanceLock ) = 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( );
/** called when XRefreshable::refresh has been called, and we do *not* have an external
list source
*/
virtual void refreshInternalEntryList() = 0;
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);
// XRefreshable
virtual void SAL_CALL refresh() throw(::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL addRefreshListener(const ::com::sun::star::uno::Reference< ::com::sun::star::util::XRefreshListener>& _rxListener) throw(::com::sun::star::uno::RuntimeException);
virtual void SAL_CALL removeRefreshListener(const ::com::sun::star::uno::Reference< ::com::sun::star::util::XRefreshListener>& _rxListener) 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,
ControlModelLock& _rInstanceLock
);
/** refreshes our list entries
In case we have an external list source, its used to obtain the new entries, and then
stringItemListChanged is called to give the derived class the possibility to
react on this.
In case we do not have an external list source, refreshInternalEntryList is called.
*/
void impl_lock_refreshList( ControlModelLock& _rInstanceLock );
private:
OEntryListHelper(); // never implemented
OEntryListHelper( const OEntryListHelper& ); // never implemented
OEntryListHelper& operator=( const OEntryListHelper& ); // never implemented
};
//.........................................................................
} // namespace frm
//.........................................................................
#endif // FORMS_ENTRYLISTHELPER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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