/* -*- 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 .
*/
#pragma once
#include <com/sun/star/form/binding/XListEntrySink.hpp>
#include <com/sun/star/util/XRefreshable.hpp>
#include <com/sun/star/form/binding/XListEntryListener.hpp>
#include <cppuhelper/implbase3.hxx>
#include <comphelper/interfacecontainer3.hxx>
namespace frm
{
class OControlModel;
class ControlModelLock;
//= OEntryListHelper
typedef ::cppu::ImplHelper3 < css::form::binding::XListEntrySink
, css::form::binding::XListEntryListener
, css::util::XRefreshable
> OEntryListHelper_BASE;
class OEntryListHelper : public OEntryListHelper_BASE
{
private :
OControlModel& m_rControlModel;
css::uno::Reference< css::form::binding::XListEntrySource >
m_xListSource; /// our external list source
std::vector< OUString >
m_aStringItems; /// "overridden" StringItemList property value
css::uno::Sequence< css::uno::Any >
m_aTypedItems; /// "overridden" TypedItemList property value
::comphelper::OInterfaceContainerHelper3<css::util::XRefreshListener>
m_aRefreshListeners;
protected :
explicit OEntryListHelper( OControlModel& _rControlModel );
OEntryListHelper( const OEntryListHelper& _rSource, OControlModel& _rControlModel );
virtual ~OEntryListHelper( );
/// returns the current string item list
const std::vector< OUString >&
getStringItemList() const { return m_aStringItems; }
/// returns the current typed item list
const css::uno::Sequence< css::uno::Any >&
getTypedItemList() const { return m_aTypedItems; }
/// determines whether we actually have an external list source
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 css::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 css::lang::EventObject& Source ) override = 0 ;
/** helper for implementing convertFastPropertyValue( StringItemList )
< p > The signature of this method and the return type have the same semantics
as convertFastPropertyValue . < / p >
*/
bool convertNewListSourceProperty(
css::uno::Any& _rConvertedValue,
css::uno::Any& _rOldValue,
const css::uno::Any& _rValue
);
/** 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 css::uno::Any& _rValue, ControlModelLock& _rInstanceLock );
/** 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 setNewTypedItemList( const css::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 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 css::uno::Reference< css::form::binding::XListEntrySource >& _rxSource ) override;
virtual css::uno::Reference< css::form::binding::XListEntrySource > SAL_CALL getListEntrySource( ) override;
// XListEntryListener
virtual void SAL_CALL entryChanged( const css::form::binding::ListEntryEvent& _rSource ) override;
virtual void SAL_CALL entryRangeInserted( const css::form::binding::ListEntryEvent& _rSource ) override;
virtual void SAL_CALL entryRangeRemoved( const css::form::binding::ListEntryEvent& _rSource ) override;
virtual void SAL_CALL allEntriesChanged( const css::lang::EventObject& _rSource ) override;
// XRefreshable
virtual void SAL_CALL refresh() override;
virtual void SAL_CALL addRefreshListener(const css::uno::Reference< css::util::XRefreshListener>& _rxListener) override;
virtual void SAL_CALL removeRefreshListener(const css::uno::Reference< css::util::XRefreshListener>& _rxListener) override;
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 css::uno::Reference< css::form::binding::XListEntrySource >& _rxSource,
ControlModelLock& _rInstanceLock
);
/** obtains list entries and possibly data values from list source
@ precond
m_xListSource has to hold an external list source
*/
void obtainListSourceEntries( ControlModelLock& _rInstanceLock );
/** refreshes our list entries
In case we have an external list source , it ' s 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( const OEntryListHelper& ) = delete ;
OEntryListHelper& operator =( const OEntryListHelper& ) = delete ;
};
} // namespace frm
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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