322 lines
12 KiB
C++
322 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include "entrylisthelper.hxx"
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#include "FormComponent.hxx"
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#include <osl/diagnose.h>
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#include <comphelper/sequence.hxx>
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#include <comphelper/property.hxx>
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#include <algorithm>
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//.........................................................................
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namespace frm
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{
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//.........................................................................
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::util;
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using namespace ::com::sun::star::form::binding;
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//=====================================================================
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//= OEntryListHelper
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//=====================================================================
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//---------------------------------------------------------------------
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OEntryListHelper::OEntryListHelper( OControlModel& _rControlModel )
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:m_rControlModel( _rControlModel )
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,m_aRefreshListeners( _rControlModel.getInstanceMutex() )
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{
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}
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//---------------------------------------------------------------------
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OEntryListHelper::OEntryListHelper( const OEntryListHelper& _rSource, OControlModel& _rControlModel )
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:m_rControlModel( _rControlModel )
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,m_xListSource ( _rSource.m_xListSource )
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,m_aStringItems( _rSource.m_aStringItems )
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,m_aRefreshListeners( _rControlModel.getInstanceMutex() )
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{
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}
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//---------------------------------------------------------------------
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OEntryListHelper::~OEntryListHelper( )
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{
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}
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//---------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::setListEntrySource( const Reference< XListEntrySource >& _rxSource ) throw (RuntimeException)
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{
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ControlModelLock aLock( m_rControlModel );
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// disconnect from the current external list source
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disconnectExternalListSource();
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// and connect to the new one
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if ( _rxSource.is() )
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connectExternalListSource( _rxSource, aLock );
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}
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//---------------------------------------------------------------------
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Reference< XListEntrySource > SAL_CALL OEntryListHelper::getListEntrySource( ) throw (RuntimeException)
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{
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return m_xListSource;
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}
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//---------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::entryChanged( const ListEntryEvent& _rEvent ) throw (RuntimeException)
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{
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ControlModelLock aLock( m_rControlModel );
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OSL_ENSURE( _rEvent.Source == m_xListSource,
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"OEntryListHelper::entryChanged: where did this come from?" );
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OSL_ENSURE( ( _rEvent.Position >= 0 ) && ( _rEvent.Position < m_aStringItems.getLength() ),
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"OEntryListHelper::entryChanged: invalid index!" );
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OSL_ENSURE( _rEvent.Entries.getLength() == 1,
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"OEntryListHelper::entryChanged: invalid string list!" );
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if ( ( _rEvent.Position >= 0 )
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&& ( _rEvent.Position < m_aStringItems.getLength() )
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&& ( _rEvent.Entries.getLength() > 0 )
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)
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{
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m_aStringItems[ _rEvent.Position ] = _rEvent.Entries[ 0 ];
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stringItemListChanged( aLock );
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}
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}
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//---------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::entryRangeInserted( const ListEntryEvent& _rEvent ) throw (RuntimeException)
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{
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ControlModelLock aLock( m_rControlModel );
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OSL_ENSURE( _rEvent.Source == m_xListSource,
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"OEntryListHelper::entryRangeInserted: where did this come from?" );
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OSL_ENSURE( ( _rEvent.Position > 0 ) && ( _rEvent.Position < m_aStringItems.getLength() ) && ( _rEvent.Entries.getLength() > 0 ),
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"OEntryListHelper::entryRangeRemoved: invalid count and/or position!" );
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if ( ( _rEvent.Position > 0 )
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&& ( _rEvent.Position < m_aStringItems.getLength() )
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&& ( _rEvent.Entries.getLength() > 0 )
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)
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{
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// the entries *before* the insertion pos
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Sequence< ::rtl::OUString > aKeepEntries(
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m_aStringItems.getConstArray(),
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_rEvent.Position
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);
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// the entries *behind* the insertion pos
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Sequence< ::rtl::OUString > aMovedEntries(
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m_aStringItems.getConstArray() + _rEvent.Position,
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m_aStringItems.getLength() - _rEvent.Position
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);
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// concat all three parts
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m_aStringItems = ::comphelper::concatSequences(
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aKeepEntries,
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_rEvent.Entries,
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aMovedEntries
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);
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stringItemListChanged( aLock );
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}
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}
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//---------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::entryRangeRemoved( const ListEntryEvent& _rEvent ) throw (RuntimeException)
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{
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ControlModelLock aLock( m_rControlModel );
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OSL_ENSURE( _rEvent.Source == m_xListSource,
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"OEntryListHelper::entryRangeRemoved: where did this come from?" );
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OSL_ENSURE( ( _rEvent.Position > 0 ) && ( _rEvent.Count > 0 ) && ( _rEvent.Position + _rEvent.Count <= m_aStringItems.getLength() ),
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"OEntryListHelper::entryRangeRemoved: invalid count and/or position!" );
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if ( ( _rEvent.Position > 0 )
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&& ( _rEvent.Count > 0 )
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&& ( _rEvent.Position + _rEvent.Count <= m_aStringItems.getLength() )
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)
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{
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// copy all items after the removed ones
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::std::copy(
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m_aStringItems.getConstArray() + _rEvent.Position + _rEvent.Count,
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m_aStringItems.getConstArray() + m_aStringItems.getLength(),
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m_aStringItems.getArray( ) + _rEvent.Position
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);
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// shrink the array
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m_aStringItems.realloc( m_aStringItems.getLength() - _rEvent.Count );
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stringItemListChanged( aLock );
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}
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}
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//---------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::allEntriesChanged( const EventObject& _rEvent ) throw (RuntimeException)
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{
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ControlModelLock aLock( m_rControlModel );
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OSL_ENSURE( _rEvent.Source == m_xListSource,
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"OEntryListHelper::allEntriesChanged: where did this come from?" );
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Reference< XListEntrySource > xSource( _rEvent.Source, UNO_QUERY );
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if ( _rEvent.Source == m_xListSource )
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{
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impl_lock_refreshList( aLock );
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}
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}
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// XRefreshable
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//------------------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::addRefreshListener(const Reference<XRefreshListener>& _rxListener) throw(RuntimeException)
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{
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if ( _rxListener.is() )
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m_aRefreshListeners.addInterface( _rxListener );
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}
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//------------------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::removeRefreshListener(const Reference<XRefreshListener>& _rxListener) throw(RuntimeException)
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{
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if ( _rxListener.is() )
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m_aRefreshListeners.removeInterface( _rxListener );
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}
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//------------------------------------------------------------------------------
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void SAL_CALL OEntryListHelper::refresh() throw(RuntimeException)
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{
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{
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ControlModelLock aLock( m_rControlModel );
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impl_lock_refreshList( aLock );
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}
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EventObject aEvt( static_cast< XRefreshable* >( this ) );
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m_aRefreshListeners.notifyEach( &XRefreshListener::refreshed, aEvt );
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}
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//---------------------------------------------------------------------
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void OEntryListHelper::impl_lock_refreshList( ControlModelLock& _rInstanceLock )
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{
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if ( hasExternalListSource() )
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{
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m_aStringItems = m_xListSource->getAllListEntries( );
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stringItemListChanged( _rInstanceLock );
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}
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else
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refreshInternalEntryList();
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}
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//---------------------------------------------------------------------
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bool OEntryListHelper::handleDisposing( const EventObject& _rEvent )
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{
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if ( m_xListSource .is() && ( _rEvent.Source == m_xListSource ) )
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{
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disconnectExternalListSource( );
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return true;
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}
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return false;
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}
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//---------------------------------------------------------------------
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void OEntryListHelper::disposing( )
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{
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EventObject aEvt( static_cast< XRefreshable* >( this ) );
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m_aRefreshListeners.disposeAndClear(aEvt);
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if ( hasExternalListSource( ) )
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disconnectExternalListSource( );
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}
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//---------------------------------------------------------------------
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void OEntryListHelper::disconnectExternalListSource( )
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{
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if ( m_xListSource.is() )
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m_xListSource->removeListEntryListener( this );
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m_xListSource.clear();
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disconnectedExternalListSource();
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}
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//---------------------------------------------------------------------
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void OEntryListHelper::connectedExternalListSource( )
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{
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// nothing to do here
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}
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//---------------------------------------------------------------------
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void OEntryListHelper::disconnectedExternalListSource( )
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{
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// nothing to do here
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}
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//---------------------------------------------------------------------
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void OEntryListHelper::connectExternalListSource( const Reference< XListEntrySource >& _rxSource, ControlModelLock& _rInstanceLock )
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{
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OSL_ENSURE( !hasExternalListSource(), "OEntryListHelper::connectExternalListSource: only to be called if no external source is active!" );
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OSL_ENSURE( _rxSource.is(), "OEntryListHelper::connectExternalListSource: invalid list source!" );
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// remember it
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m_xListSource = _rxSource;
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// initially fill our item list
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if ( m_xListSource.is() )
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{
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// be notified when the list changes ...
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m_xListSource->addListEntryListener( this );
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m_aStringItems = m_xListSource->getAllListEntries( );
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stringItemListChanged( _rInstanceLock );
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// let derivees react on the new list source
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connectedExternalListSource();
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}
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}
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//---------------------------------------------------------------------
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sal_Bool OEntryListHelper::convertNewListSourceProperty( Any& _rConvertedValue,
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Any& _rOldValue, const Any& _rValue ) SAL_THROW( ( IllegalArgumentException ) )
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{
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if ( hasExternalListSource() )
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throw IllegalArgumentException( );
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// TODO: error message
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return ::comphelper::tryPropertyValue( _rConvertedValue, _rOldValue, _rValue, m_aStringItems );
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}
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//---------------------------------------------------------------------
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void OEntryListHelper::setNewStringItemList( const ::com::sun::star::uno::Any& _rValue, ControlModelLock& _rInstanceLock )
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{
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OSL_PRECOND( !hasExternalListSource(), "OEntryListHelper::setNewStringItemList: this should never have survived convertNewListSourceProperty!" );
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OSL_VERIFY( _rValue >>= m_aStringItems );
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stringItemListChanged( _rInstanceLock );
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}
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//.........................................................................
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} // namespace frm
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//.........................................................................
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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