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| -rw-r--r-- | toolkit/source/controls/grid/defaultgridcolumnmodel.cxx | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/toolkit/source/controls/grid/defaultgridcolumnmodel.cxx b/toolkit/source/controls/grid/defaultgridcolumnmodel.cxx new file mode 100644 index 000000000..ad17d15ea --- /dev/null +++ b/toolkit/source/controls/grid/defaultgridcolumnmodel.cxx @@ -0,0 +1,389 @@ +/* -*- 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 . + */ + + +#include "gridcolumn.hxx" + +#include <com/sun/star/awt/grid/XGridColumnModel.hpp> +#include <com/sun/star/awt/grid/XGridColumn.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> + +#include <comphelper/sequence.hxx> +#include <comphelper/servicehelper.hxx> +#include <comphelper/componentguard.hxx> +#include <comphelper/interfacecontainer3.hxx> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase.hxx> +#include <cppuhelper/supportsservice.hxx> +#include <o3tl/safeint.hxx> +#include <rtl/ref.hxx> +#include <sal/log.hxx> +#include <tools/diagnose_ex.h> + +#include <vector> + +using namespace css::awt; +using namespace css::awt::grid; +using namespace css::container; +using namespace css::lang; +using namespace css::uno; +using namespace toolkit; + +namespace { + +typedef ::cppu::WeakComponentImplHelper < css::awt::grid::XGridColumnModel + , css::lang::XServiceInfo + > DefaultGridColumnModel_Base; + +class DefaultGridColumnModel :public ::cppu::BaseMutex + ,public DefaultGridColumnModel_Base +{ +public: + DefaultGridColumnModel(); + DefaultGridColumnModel( DefaultGridColumnModel const & i_copySource ); + + // XGridColumnModel + virtual ::sal_Int32 SAL_CALL getColumnCount() override; + virtual css::uno::Reference< css::awt::grid::XGridColumn > SAL_CALL createColumn( ) override; + virtual ::sal_Int32 SAL_CALL addColumn(const css::uno::Reference< css::awt::grid::XGridColumn > & column) override; + virtual void SAL_CALL removeColumn( ::sal_Int32 i_columnIndex ) override; + virtual css::uno::Sequence< css::uno::Reference< css::awt::grid::XGridColumn > > SAL_CALL getColumns() override; + virtual css::uno::Reference< css::awt::grid::XGridColumn > SAL_CALL getColumn(::sal_Int32 index) override; + virtual void SAL_CALL setDefaultColumns(sal_Int32 rowElements) override; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName( ) override; + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override; + + // XContainer + virtual void SAL_CALL addContainerListener( const css::uno::Reference< css::container::XContainerListener >& xListener ) override; + virtual void SAL_CALL removeContainerListener( const css::uno::Reference< css::container::XContainerListener >& xListener ) override; + + // XCloneable + virtual css::uno::Reference< css::util::XCloneable > SAL_CALL createClone( ) override; + + // OComponentHelper + virtual void SAL_CALL disposing() override; + +private: + typedef ::std::vector< css::uno::Reference< css::awt::grid::XGridColumn > > Columns; + + ::comphelper::OInterfaceContainerHelper3<XContainerListener> m_aContainerListeners; + Columns m_aColumns; +}; + + DefaultGridColumnModel::DefaultGridColumnModel() + :DefaultGridColumnModel_Base( m_aMutex ) + ,m_aContainerListeners( m_aMutex ) + { + } + + DefaultGridColumnModel::DefaultGridColumnModel( DefaultGridColumnModel const & i_copySource ) + :cppu::BaseMutex() + ,DefaultGridColumnModel_Base( m_aMutex ) + ,m_aContainerListeners( m_aMutex ) + { + Columns aColumns; + aColumns.reserve( i_copySource.m_aColumns.size() ); + try + { + for ( Columns::const_iterator col = i_copySource.m_aColumns.begin(); + col != i_copySource.m_aColumns.end(); + ++col + ) + { + Reference< css::util::XCloneable > const xCloneable( *col, UNO_QUERY_THROW ); + Reference< XGridColumn > const xClone( xCloneable->createClone(), UNO_QUERY_THROW ); + + GridColumn* const pGridColumn = comphelper::getFromUnoTunnel<GridColumn>( xClone ); + if ( pGridColumn == nullptr ) + throw RuntimeException( "invalid clone source implementation", *this ); + // that's indeed a RuntimeException, not an IllegalArgumentException or some such: + // a DefaultGridColumnModel implementation whose columns are not GridColumn implementations + // is borked. + pGridColumn->setIndex( col - i_copySource.m_aColumns.begin() ); + + aColumns.push_back( xClone ); + } + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("toolkit.controls"); + } + if ( aColumns.size() == i_copySource.m_aColumns.size() ) + m_aColumns.swap( aColumns ); + } + + ::sal_Int32 SAL_CALL DefaultGridColumnModel::getColumnCount() + { + return m_aColumns.size(); + } + + + Reference< XGridColumn > SAL_CALL DefaultGridColumnModel::createColumn( ) + { + ::comphelper::ComponentGuard aGuard( *this, rBHelper ); + return new GridColumn(); + } + + + ::sal_Int32 SAL_CALL DefaultGridColumnModel::addColumn( const Reference< XGridColumn > & i_column ) + { + ::comphelper::ComponentGuard aGuard( *this, rBHelper ); + + GridColumn* const pGridColumn = comphelper::getFromUnoTunnel<GridColumn>( i_column ); + if ( pGridColumn == nullptr ) + throw css::lang::IllegalArgumentException( "invalid column implementation", *this, 1 ); + + m_aColumns.push_back( i_column ); + sal_Int32 index = m_aColumns.size() - 1; + pGridColumn->setIndex( index ); + + // fire insertion notifications + ContainerEvent aEvent; + aEvent.Source = *this; + aEvent.Accessor <<= index; + aEvent.Element <<= i_column; + + aGuard.clear(); + m_aContainerListeners.notifyEach( &XContainerListener::elementInserted, aEvent ); + + return index; + } + + + void SAL_CALL DefaultGridColumnModel::removeColumn( ::sal_Int32 i_columnIndex ) + { + ::comphelper::ComponentGuard aGuard( *this, rBHelper ); + + if ( ( i_columnIndex < 0 ) || ( o3tl::make_unsigned( i_columnIndex ) >= m_aColumns.size() ) ) + throw css::lang::IndexOutOfBoundsException( OUString(), *this ); + + Columns::iterator const pos = m_aColumns.begin() + i_columnIndex; + Reference< XGridColumn > const xColumn( *pos ); + m_aColumns.erase( pos ); + + // update indexes of all subsequent columns + sal_Int32 columnIndex( i_columnIndex ); + for ( Columns::iterator updatePos = m_aColumns.begin() + columnIndex; + updatePos != m_aColumns.end(); + ++updatePos, ++columnIndex + ) + { + GridColumn* pColumnImpl = comphelper::getFromUnoTunnel<GridColumn>( *updatePos ); + if ( !pColumnImpl ) + { + SAL_WARN( "toolkit.controls", "DefaultGridColumnModel::removeColumn: invalid column implementation!" ); + continue; + } + + pColumnImpl->setIndex( columnIndex ); + } + + // fire removal notifications + ContainerEvent aEvent; + aEvent.Source = *this; + aEvent.Accessor <<= i_columnIndex; + aEvent.Element <<= xColumn; + + aGuard.clear(); + m_aContainerListeners.notifyEach( &XContainerListener::elementRemoved, aEvent ); + + // dispose the removed column + try + { + xColumn->dispose(); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("toolkit.controls"); + } + } + + + Sequence< Reference< XGridColumn > > SAL_CALL DefaultGridColumnModel::getColumns() + { + ::comphelper::ComponentGuard aGuard( *this, rBHelper ); + return ::comphelper::containerToSequence( m_aColumns ); + } + + + Reference< XGridColumn > SAL_CALL DefaultGridColumnModel::getColumn(::sal_Int32 index) + { + ::comphelper::ComponentGuard aGuard( *this, rBHelper ); + + if ( index >=0 && o3tl::make_unsigned(index) < m_aColumns.size()) + return m_aColumns[index]; + + throw css::lang::IndexOutOfBoundsException(); + } + + + void SAL_CALL DefaultGridColumnModel::setDefaultColumns(sal_Int32 rowElements) + { + ::std::vector< ContainerEvent > aRemovedColumns; + ::std::vector< ContainerEvent > aInsertedColumns; + + { + ::comphelper::ComponentGuard aGuard( *this, rBHelper ); + + // remove existing columns + while ( !m_aColumns.empty() ) + { + const size_t lastColIndex = m_aColumns.size() - 1; + + ContainerEvent aEvent; + aEvent.Source = *this; + aEvent.Accessor <<= sal_Int32( lastColIndex ); + aEvent.Element <<= m_aColumns[ lastColIndex ]; + aRemovedColumns.push_back( aEvent ); + + m_aColumns.erase( m_aColumns.begin() + lastColIndex ); + } + + // add new columns + for ( sal_Int32 i=0; i<rowElements; ++i ) + { + ::rtl::Reference< GridColumn > const pGridColumn = new GridColumn(); + Reference< XGridColumn > const xColumn( pGridColumn ); + OUString colTitle = "Column " + OUString::number( i + 1 ); + pGridColumn->setTitle( colTitle ); + pGridColumn->setColumnWidth( 80 /* APPFONT */ ); + pGridColumn->setFlexibility( 1 ); + pGridColumn->setResizeable( true ); + pGridColumn->setDataColumnIndex( i ); + + ContainerEvent aEvent; + aEvent.Source = *this; + aEvent.Accessor <<= i; + aEvent.Element <<= xColumn; + aInsertedColumns.push_back( aEvent ); + + m_aColumns.push_back( xColumn ); + pGridColumn->setIndex( i ); + } + } + + // fire removal notifications + for (const auto& rEvent : aRemovedColumns) + { + m_aContainerListeners.notifyEach( &XContainerListener::elementRemoved, rEvent ); + } + + // fire insertion notifications + for (const auto& rEvent : aInsertedColumns) + { + m_aContainerListeners.notifyEach( &XContainerListener::elementInserted, rEvent ); + } + + // dispose removed columns + for (const auto& rEvent : aRemovedColumns) + { + try + { + const Reference< XComponent > xColComp( rEvent.Element, UNO_QUERY_THROW ); + xColComp->dispose(); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("toolkit.controls"); + } + } + } + + + OUString SAL_CALL DefaultGridColumnModel::getImplementationName( ) + { + return "stardiv.Toolkit.DefaultGridColumnModel"; + } + + sal_Bool SAL_CALL DefaultGridColumnModel::supportsService( const OUString& i_serviceName ) + { + return cppu::supportsService(this, i_serviceName); + } + + Sequence< OUString > SAL_CALL DefaultGridColumnModel::getSupportedServiceNames( ) + { + return { "com.sun.star.awt.grid.DefaultGridColumnModel" }; + } + + + void SAL_CALL DefaultGridColumnModel::addContainerListener( const Reference< XContainerListener >& i_listener ) + { + if ( i_listener.is() ) + m_aContainerListeners.addInterface( i_listener ); + } + + + void SAL_CALL DefaultGridColumnModel::removeContainerListener( const Reference< XContainerListener >& i_listener ) + { + if ( i_listener.is() ) + m_aContainerListeners.removeInterface( i_listener ); + } + + + void SAL_CALL DefaultGridColumnModel::disposing() + { + DefaultGridColumnModel_Base::disposing(); + + EventObject aEvent( *this ); + m_aContainerListeners.disposeAndClear( aEvent ); + + ::osl::MutexGuard aGuard( m_aMutex ); + + // remove, dispose and clear columns + while ( !m_aColumns.empty() ) + { + try + { + const Reference< XComponent > xColComponent( m_aColumns[ 0 ], UNO_QUERY_THROW ); + xColComponent->dispose(); + } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("toolkit.controls"); + } + + m_aColumns.erase( m_aColumns.begin() ); + } + + Columns().swap(m_aColumns); + } + + + Reference< css::util::XCloneable > SAL_CALL DefaultGridColumnModel::createClone( ) + { + ::comphelper::ComponentGuard aGuard( *this, rBHelper ); + return new DefaultGridColumnModel( *this ); + } + +} + +extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * +stardiv_Toolkit_DefaultGridColumnModel_get_implementation( + css::uno::XComponentContext *, + css::uno::Sequence<css::uno::Any> const &) +{ + return cppu::acquire(new DefaultGridColumnModel()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |