312 lines
12 KiB
C++
312 lines
12 KiB
C++
/*************************************************************************
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*
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* $RCSfile: entrylisthelper.cxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: rt $ $Date: 2004-07-06 13:39:01 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef FORMS_ENTRYLISTHELPER_HXX
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#include "entrylisthelper.hxx"
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#endif
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#ifndef _OSL_DIAGNOSE_H_
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#include <osl/diagnose.h>
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#endif
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#ifndef _COMPHELPER_SEQUENCE_HXX_
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#include <comphelper/sequence.hxx>
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#endif
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#ifndef _COMPHELPER_PROPERTY_HXX_
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#include <comphelper/property.hxx>
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#endif
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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::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( ::osl::Mutex& _rMutex )
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:m_rMutex( _rMutex )
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{
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}
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//---------------------------------------------------------------------
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OEntryListHelper::OEntryListHelper( const OEntryListHelper& _rSource, ::osl::Mutex& _rMutex )
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:m_rMutex( _rMutex )
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,m_xListSource ( _rSource.m_xListSource )
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,m_aStringItems( _rSource.m_aStringItems )
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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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::osl::MutexGuard aGuard( m_rMutex );
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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 );
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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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::osl::MutexGuard aGuard( m_rMutex );
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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();
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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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::osl::MutexGuard aGuard( m_rMutex );
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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();
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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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::osl::MutexGuard aGuard( m_rMutex );
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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();
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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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::osl::MutexGuard aGuard( m_rMutex );
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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 ( xSource.is() )
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{
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m_aStringItems = xSource->getAllListEntries( );
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stringItemListChanged();
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}
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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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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 )
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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();
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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 )
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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( );
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}
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//.........................................................................
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} // namespace frm
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//.........................................................................
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