diff options
Diffstat (limited to 'forms/source/component/entrylisthelper.cxx')
| -rw-r--r-- | forms/source/component/entrylisthelper.cxx | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/forms/source/component/entrylisthelper.cxx b/forms/source/component/entrylisthelper.cxx new file mode 100644 index 000000000000..c894f3fce150 --- /dev/null +++ b/forms/source/component/entrylisthelper.cxx @@ -0,0 +1,324 @@ +/* -*- 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_forms.hxx" +#include "entrylisthelper.hxx" +#include "FormComponent.hxx" + +#include <osl/diagnose.h> +#include <comphelper/sequence.hxx> +#include <comphelper/property.hxx> +#include <algorithm> + +//......................................................................... +namespace frm +{ +//......................................................................... + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::util; + using namespace ::com::sun::star::form::binding; + + //===================================================================== + //= OEntryListHelper + //===================================================================== + //--------------------------------------------------------------------- + OEntryListHelper::OEntryListHelper( OControlModel& _rControlModel ) + :m_rControlModel( _rControlModel ) + ,m_aRefreshListeners( _rControlModel.getInstanceMutex() ) + { + } + + //--------------------------------------------------------------------- + OEntryListHelper::OEntryListHelper( const OEntryListHelper& _rSource, OControlModel& _rControlModel ) + :m_rControlModel( _rControlModel ) + ,m_xListSource ( _rSource.m_xListSource ) + ,m_aStringItems( _rSource.m_aStringItems ) + ,m_aRefreshListeners( _rControlModel.getInstanceMutex() ) + { + } + + //--------------------------------------------------------------------- + OEntryListHelper::~OEntryListHelper( ) + { + } + + //--------------------------------------------------------------------- + void SAL_CALL OEntryListHelper::setListEntrySource( const Reference< XListEntrySource >& _rxSource ) throw (RuntimeException) + { + ControlModelLock aLock( m_rControlModel ); + + // disconnect from the current external list source + disconnectExternalListSource(); + + // and connect to the new one + if ( _rxSource.is() ) + connectExternalListSource( _rxSource, aLock ); + } + + //--------------------------------------------------------------------- + Reference< XListEntrySource > SAL_CALL OEntryListHelper::getListEntrySource( ) throw (RuntimeException) + { + return m_xListSource; + } + + + //--------------------------------------------------------------------- + void SAL_CALL OEntryListHelper::entryChanged( const ListEntryEvent& _rEvent ) throw (RuntimeException) + { + ControlModelLock aLock( m_rControlModel ); + + OSL_ENSURE( _rEvent.Source == m_xListSource, + "OEntryListHelper::entryChanged: where did this come from?" ); + OSL_ENSURE( ( _rEvent.Position >= 0 ) && ( _rEvent.Position < m_aStringItems.getLength() ), + "OEntryListHelper::entryChanged: invalid index!" ); + OSL_ENSURE( _rEvent.Entries.getLength() == 1, + "OEntryListHelper::entryChanged: invalid string list!" ); + + if ( ( _rEvent.Position >= 0 ) + && ( _rEvent.Position < m_aStringItems.getLength() ) + && ( _rEvent.Entries.getLength() > 0 ) + ) + { + m_aStringItems[ _rEvent.Position ] = _rEvent.Entries[ 0 ]; + stringItemListChanged( aLock ); + } + } + + //--------------------------------------------------------------------- + void SAL_CALL OEntryListHelper::entryRangeInserted( const ListEntryEvent& _rEvent ) throw (RuntimeException) + { + ControlModelLock aLock( m_rControlModel ); + + OSL_ENSURE( _rEvent.Source == m_xListSource, + "OEntryListHelper::entryRangeInserted: where did this come from?" ); + OSL_ENSURE( ( _rEvent.Position > 0 ) && ( _rEvent.Position < m_aStringItems.getLength() ) && ( _rEvent.Entries.getLength() > 0 ), + "OEntryListHelper::entryRangeRemoved: invalid count and/or position!" ); + + if ( ( _rEvent.Position > 0 ) + && ( _rEvent.Position < m_aStringItems.getLength() ) + && ( _rEvent.Entries.getLength() > 0 ) + ) + { + // the entries *before* the insertion pos + Sequence< ::rtl::OUString > aKeepEntries( + m_aStringItems.getConstArray(), + _rEvent.Position + ); + // the entries *behind* the insertion pos + Sequence< ::rtl::OUString > aMovedEntries( + m_aStringItems.getConstArray() + _rEvent.Position, + m_aStringItems.getLength() - _rEvent.Position + ); + + // concat all three parts + m_aStringItems = ::comphelper::concatSequences( + aKeepEntries, + _rEvent.Entries, + aMovedEntries + ); + + stringItemListChanged( aLock ); + } + } + + //--------------------------------------------------------------------- + void SAL_CALL OEntryListHelper::entryRangeRemoved( const ListEntryEvent& _rEvent ) throw (RuntimeException) + { + ControlModelLock aLock( m_rControlModel ); + + OSL_ENSURE( _rEvent.Source == m_xListSource, + "OEntryListHelper::entryRangeRemoved: where did this come from?" ); + OSL_ENSURE( ( _rEvent.Position > 0 ) && ( _rEvent.Count > 0 ) && ( _rEvent.Position + _rEvent.Count <= m_aStringItems.getLength() ), + "OEntryListHelper::entryRangeRemoved: invalid count and/or position!" ); + + if ( ( _rEvent.Position > 0 ) + && ( _rEvent.Count > 0 ) + && ( _rEvent.Position + _rEvent.Count <= m_aStringItems.getLength() ) + ) + { + // copy all items after the removed ones + ::std::copy( + m_aStringItems.getConstArray() + _rEvent.Position + _rEvent.Count, + m_aStringItems.getConstArray() + m_aStringItems.getLength(), + m_aStringItems.getArray( ) + _rEvent.Position + ); + // shrink the array + m_aStringItems.realloc( m_aStringItems.getLength() - _rEvent.Count ); + + stringItemListChanged( aLock ); + } + } + + //--------------------------------------------------------------------- + void SAL_CALL OEntryListHelper::allEntriesChanged( const EventObject& _rEvent ) throw (RuntimeException) + { + ControlModelLock aLock( m_rControlModel ); + + OSL_ENSURE( _rEvent.Source == m_xListSource, + "OEntryListHelper::allEntriesChanged: where did this come from?" ); + + Reference< XListEntrySource > xSource( _rEvent.Source, UNO_QUERY ); + if ( _rEvent.Source == m_xListSource ) + { + impl_lock_refreshList( aLock ); + } + } + + // XRefreshable + //------------------------------------------------------------------------------ + void SAL_CALL OEntryListHelper::addRefreshListener(const Reference<XRefreshListener>& _rxListener) throw(RuntimeException) + { + if ( _rxListener.is() ) + m_aRefreshListeners.addInterface( _rxListener ); + } + + //------------------------------------------------------------------------------ + void SAL_CALL OEntryListHelper::removeRefreshListener(const Reference<XRefreshListener>& _rxListener) throw(RuntimeException) + { + if ( _rxListener.is() ) + m_aRefreshListeners.removeInterface( _rxListener ); + } + + //------------------------------------------------------------------------------ + void SAL_CALL OEntryListHelper::refresh() throw(RuntimeException) + { + { + ControlModelLock aLock( m_rControlModel ); + impl_lock_refreshList( aLock ); + } + + EventObject aEvt( static_cast< XRefreshable* >( this ) ); + m_aRefreshListeners.notifyEach( &XRefreshListener::refreshed, aEvt ); + } + + //--------------------------------------------------------------------- + void OEntryListHelper::impl_lock_refreshList( ControlModelLock& _rInstanceLock ) + { + if ( hasExternalListSource() ) + { + m_aStringItems = m_xListSource->getAllListEntries( ); + stringItemListChanged( _rInstanceLock ); + } + else + refreshInternalEntryList(); + } + + //--------------------------------------------------------------------- + bool OEntryListHelper::handleDisposing( const EventObject& _rEvent ) + { + if ( m_xListSource .is() && ( _rEvent.Source == m_xListSource ) ) + { + disconnectExternalListSource( ); + return true; + } + return false; + } + + //--------------------------------------------------------------------- + void OEntryListHelper::disposing( ) + { + EventObject aEvt( static_cast< XRefreshable* >( this ) ); + m_aRefreshListeners.disposeAndClear(aEvt); + + if ( hasExternalListSource( ) ) + disconnectExternalListSource( ); + } + + //--------------------------------------------------------------------- + void OEntryListHelper::disconnectExternalListSource( ) + { + if ( m_xListSource.is() ) + m_xListSource->removeListEntryListener( this ); + + m_xListSource.clear(); + + disconnectedExternalListSource(); + } + + //--------------------------------------------------------------------- + void OEntryListHelper::connectedExternalListSource( ) + { + // nothing to do here + } + + //--------------------------------------------------------------------- + void OEntryListHelper::disconnectedExternalListSource( ) + { + // nothing to do here + } + + //--------------------------------------------------------------------- + void OEntryListHelper::connectExternalListSource( const Reference< XListEntrySource >& _rxSource, ControlModelLock& _rInstanceLock ) + { + OSL_ENSURE( !hasExternalListSource(), "OEntryListHelper::connectExternalListSource: only to be called if no external source is active!" ); + OSL_ENSURE( _rxSource.is(), "OEntryListHelper::connectExternalListSource: invalid list source!" ); + + // remember it + m_xListSource = _rxSource; + + // initially fill our item list + if ( m_xListSource.is() ) + { + // be notified when the list changes ... + m_xListSource->addListEntryListener( this ); + + m_aStringItems = m_xListSource->getAllListEntries( ); + stringItemListChanged( _rInstanceLock ); + + // let derivees react on the new list source + connectedExternalListSource(); + } + } + + //--------------------------------------------------------------------- + sal_Bool OEntryListHelper::convertNewListSourceProperty( Any& _rConvertedValue, + Any& _rOldValue, const Any& _rValue ) SAL_THROW( ( IllegalArgumentException ) ) + { + if ( hasExternalListSource() ) + throw IllegalArgumentException( ); + // TODO: error message + + return ::comphelper::tryPropertyValue( _rConvertedValue, _rOldValue, _rValue, m_aStringItems ); + } + + //--------------------------------------------------------------------- + void OEntryListHelper::setNewStringItemList( const ::com::sun::star::uno::Any& _rValue, ControlModelLock& _rInstanceLock ) + { + OSL_PRECOND( !hasExternalListSource(), "OEntryListHelper::setNewStringItemList: this should never have survived convertNewListSourceProperty!" ); + OSL_VERIFY( _rValue >>= m_aStringItems ); + stringItemListChanged( _rInstanceLock ); + } + +//......................................................................... +} // namespace frm +//......................................................................... + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |