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Diffstat (limited to 'chart2/source/controller/main/ObjectHierarchy.cxx')
| -rw-r--r-- | chart2/source/controller/main/ObjectHierarchy.cxx | 718 |
1 files changed, 718 insertions, 0 deletions
diff --git a/chart2/source/controller/main/ObjectHierarchy.cxx b/chart2/source/controller/main/ObjectHierarchy.cxx new file mode 100644 index 000000000..5a04b7ae4 --- /dev/null +++ b/chart2/source/controller/main/ObjectHierarchy.cxx @@ -0,0 +1,718 @@ +/* -*- 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 <ObjectHierarchy.hxx> +#include <ObjectIdentifier.hxx> +#include <ChartModelHelper.hxx> +#include <DiagramHelper.hxx> +#include <Diagram.hxx> +#include <RegressionCurveHelper.hxx> +#include <Axis.hxx> +#include <AxisHelper.hxx> +#include <chartview/ExplicitValueProvider.hxx> +#include <ChartType.hxx> +#include <ChartTypeHelper.hxx> +#include <ChartModel.hxx> +#include <DataSeries.hxx> +#include <DataSeriesHelper.hxx> +#include <LegendHelper.hxx> +#include <chartview/DrawModelWrapper.hxx> +#include <unonames.hxx> +#include <BaseCoordinateSystem.hxx> + +#include <map> +#include <algorithm> +#include <cstddef> + +#include <com/sun/star/drawing/XShapes.hpp> +#include <com/sun/star/chart/ErrorBarStyle.hpp> + +#include <com/sun/star/container/XIndexAccess.hpp> +#include <com/sun/star/awt/Key.hpp> +#include <com/sun/star/awt/KeyModifier.hpp> +#include <tools/diagnose_ex.h> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::chart2; + +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::Sequence; + +namespace +{ + +void lcl_getChildOIDs( + ::chart::ObjectHierarchy::tChildContainer& rOutChildren, + const Reference< container::XIndexAccess >& xShapes ) +{ + if( !xShapes.is()) + return; + + sal_Int32 nCount = xShapes->getCount(); + for( sal_Int32 i=0; i<nCount; ++i) + { + Reference< beans::XPropertySet > xShapeProp( xShapes->getByIndex( i ), uno::UNO_QUERY ); + if( xShapeProp.is()) + { + Reference< beans::XPropertySetInfo > xInfo( xShapeProp->getPropertySetInfo()); + OUString aName; + if( xInfo.is() && + xInfo->hasPropertyByName( "Name") && + (xShapeProp->getPropertyValue( "Name") >>= aName ) && + !aName.isEmpty() && + ::chart::ObjectIdentifier::isCID( aName )) + { + rOutChildren.emplace_back( aName ); + } + Reference< container::XIndexAccess > xNewShapes( xShapeProp, uno::UNO_QUERY ); + if( xNewShapes.is()) + lcl_getChildOIDs( rOutChildren, xNewShapes ); + } + } +} + +void lcl_addAxisTitle( const rtl::Reference< ::chart::Axis >& xAxis, ::chart::ObjectHierarchy::tChildContainer& rContainer, const rtl::Reference<::chart::ChartModel>& xChartModel ) +{ + if( xAxis.is()) + { + Reference< XTitle > xAxisTitle( xAxis->getTitleObject()); + if( xAxisTitle.is()) + rContainer.emplace_back( ::chart::ObjectIdentifier::createClassifiedIdentifierForObject( xAxisTitle, xChartModel ) ); + } +} + +} // anonymous namespace + +namespace chart +{ + +void ObjectHierarchy::createTree( const rtl::Reference<::chart::ChartModel>& xChartDocument ) +{ + m_aChildMap = tChildMap();//clear tree + + if( !xChartDocument.is() ) + return; + + //@todo: change ObjectIdentifier to take an XChartDocument rather than XModel + rtl::Reference< Diagram > xDiagram = ChartModelHelper::findDiagram( xChartDocument ); + ObjectIdentifier aDiaOID; + if( xDiagram.is() ) + aDiaOID = ObjectIdentifier( ObjectIdentifier::createClassifiedIdentifierForObject( static_cast<cppu::OWeakObject*>(xDiagram.get()), xChartDocument ) ); + ObjectHierarchy::tChildContainer aTopLevelContainer; + + // First Level + + // Chart Area + if( m_bOrderingForElementSelector ) + { + aTopLevelContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifier( OBJECTTYPE_PAGE, u"" ) ); + if( xDiagram.is() ) + { + aTopLevelContainer.push_back( aDiaOID ); + createWallAndFloor( aTopLevelContainer, xDiagram ); + createLegendTree( aTopLevelContainer, xChartDocument, xDiagram ); + } + } + + // Main Title + Reference< XTitle > xMainTitle( xChartDocument->getTitleObject()); + if( xMainTitle.is()) + aTopLevelContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierForObject( xMainTitle, xChartDocument ) ); + + if( xDiagram.is()) + { + // Sub Title. Note: This is interpreted of being top level + Reference< XTitle > xSubTitle( xDiagram->getTitleObject()); + if( xSubTitle.is()) + aTopLevelContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierForObject( xSubTitle, xChartDocument ) ); + + if( !m_bOrderingForElementSelector ) + { + // Axis Titles. Note: These are interpreted of being top level + const std::vector< rtl::Reference< Axis > > aAxes = AxisHelper::getAllAxesOfDiagram( xDiagram ); + for( rtl::Reference< Axis > const & axis : aAxes ) + lcl_addAxisTitle( axis, aTopLevelContainer, xChartDocument ); + + // Diagram + aTopLevelContainer.push_back( aDiaOID ); + } + + if( m_bFlattenDiagram ) + createDiagramTree( aTopLevelContainer, xChartDocument, xDiagram ); + else + { + ObjectHierarchy::tChildContainer aSubContainer; + createDiagramTree( aSubContainer, xChartDocument, xDiagram ); + if( !aSubContainer.empty() ) + m_aChildMap[ aDiaOID ] = aSubContainer; + } + + if( !m_bOrderingForElementSelector ) + createLegendTree( aTopLevelContainer, xChartDocument, xDiagram ); + } + + // #i12587# support for shapes in chart + if ( !m_bOrderingForElementSelector ) + { + createAdditionalShapesTree( aTopLevelContainer ); + } + + // Chart Area + if( !m_bOrderingForElementSelector ) + aTopLevelContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifier( OBJECTTYPE_PAGE, u"" ) ); + + if( ! aTopLevelContainer.empty()) + m_aChildMap[ ObjectHierarchy::getRootNodeOID() ] = aTopLevelContainer; +} + +void ObjectHierarchy::createLegendTree( + ObjectHierarchy::tChildContainer & rContainer, + const rtl::Reference<::chart::ChartModel> & xChartDoc, + const rtl::Reference< Diagram > & xDiagram ) +{ + if( !(xDiagram.is() && LegendHelper::hasLegend( xDiagram )) ) + return; + + ObjectIdentifier aLegendOID( ObjectIdentifier( ObjectIdentifier::createClassifiedIdentifierForObject( xDiagram->getLegend(), xChartDoc ) ) ); + rContainer.push_back( aLegendOID ); + + // iterate over child shapes of legend and search for matching CIDs + if( m_pExplicitValueProvider ) + { + rtl::Reference< SvxShapeGroupAnyD > xLegendShapeContainer = + dynamic_cast<SvxShapeGroupAnyD*>( + m_pExplicitValueProvider->getShapeForCID( aLegendOID.getObjectCID() ).get() ); + ObjectHierarchy::tChildContainer aLegendEntryOIDs; + lcl_getChildOIDs( aLegendEntryOIDs, xLegendShapeContainer ); + + m_aChildMap[ aLegendOID ] = aLegendEntryOIDs; + } +} + +void ObjectHierarchy::createAxesTree( + ObjectHierarchy::tChildContainer & rContainer, + const rtl::Reference<::chart::ChartModel> & xChartDoc, + const rtl::Reference< Diagram > & xDiagram ) +{ + sal_Int32 nDimensionCount = DiagramHelper::getDimension( xDiagram ); + rtl::Reference< ChartType > xChartType( DiagramHelper::getChartTypeByIndex( xDiagram, 0 ) ); + bool bSupportsAxesGrids = ChartTypeHelper::isSupportingMainAxis( xChartType, nDimensionCount, 0 ); + if( !bSupportsAxesGrids ) + return; + + std::vector< rtl::Reference< Axis > > aAxes = AxisHelper::getAllAxesOfDiagram( xDiagram, /* bOnlyVisible = */ true ); + if( !m_bOrderingForElementSelector ) + { + for (const auto & rAxis : std::as_const(aAxes)) + rContainer.push_back( ObjectIdentifier::createClassifiedIdentifierForObject( rAxis, xChartDoc ) ); + } + + // get all axes, also invisible ones + aAxes = AxisHelper::getAllAxesOfDiagram( xDiagram ); + // Grids + for( rtl::Reference< Axis > const & xAxis : aAxes ) + { + if(!xAxis.is()) + continue; + + sal_Int32 nCooSysIndex = 0; + sal_Int32 nDimensionIndex = 0; + sal_Int32 nAxisIndex = 0; + AxisHelper::getIndicesForAxis( xAxis, xDiagram, nCooSysIndex, nDimensionIndex, nAxisIndex ); + if( nAxisIndex>0 && !ChartTypeHelper::isSupportingSecondaryAxis( xChartType, nDimensionCount ) ) + continue; + + if( m_bOrderingForElementSelector ) + { + // axis + if( AxisHelper::isAxisVisible( xAxis ) ) + rContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierForObject( xAxis, xChartDoc ) ); + + // axis title + lcl_addAxisTitle( xAxis, rContainer, xChartDoc ); + } + + Reference< beans::XPropertySet > xGridProperties( xAxis->getGridProperties() ); + if( AxisHelper::isGridVisible( xGridProperties ) ) + { + //main grid + rContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierForGrid( xAxis, xChartDoc ) ); + } + + Sequence< Reference< beans::XPropertySet > > aSubGrids( xAxis->getSubGridProperties() ); + sal_Int32 nSubGrid = 0; + for( nSubGrid = 0; nSubGrid < aSubGrids.getLength(); ++nSubGrid ) + { + Reference< beans::XPropertySet > xSubGridProperties( aSubGrids[nSubGrid] ); + if( AxisHelper::isGridVisible( xSubGridProperties ) ) + { + //sub grid + rContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierForGrid( xAxis, xChartDoc, nSubGrid ) ); + } + } + } +} + +void ObjectHierarchy::createWallAndFloor( + ObjectHierarchy::tChildContainer & rContainer, + const rtl::Reference< Diagram > & xDiagram ) +{ + sal_Int32 nDimensionCount = DiagramHelper::getDimension( xDiagram ); + bool bIsThreeD = ( nDimensionCount == 3 ); + bool bHasWall = DiagramHelper::isSupportingFloorAndWall( xDiagram ); + if( bHasWall && bIsThreeD ) + { + rContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifier( OBJECTTYPE_DIAGRAM_WALL, u"" ) ); + + Reference< beans::XPropertySet > xFloor( xDiagram->getFloor()); + if( xFloor.is()) + rContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifier( OBJECTTYPE_DIAGRAM_FLOOR, u"" ) ); + } + +} + +void ObjectHierarchy::createDiagramTree( + ObjectHierarchy::tChildContainer & rContainer, + const rtl::Reference<::chart::ChartModel> & xChartDoc, + const rtl::Reference< Diagram > & xDiagram ) +{ + if( !m_bOrderingForElementSelector ) + { + createDataSeriesTree( rContainer, xDiagram ); + createAxesTree( rContainer, xChartDoc, xDiagram ); + createWallAndFloor( rContainer, xDiagram ); + } + else + { + createAxesTree( rContainer, xChartDoc, xDiagram ); + createDataSeriesTree( rContainer, xDiagram ); + } +} + +void ObjectHierarchy::createDataSeriesTree( + ObjectHierarchy::tChildContainer & rOutDiagramSubContainer, + const rtl::Reference< Diagram > & xDiagram ) +{ + try + { + sal_Int32 nDimensionCount = DiagramHelper::getDimension( xDiagram ); + std::vector< rtl::Reference< BaseCoordinateSystem > > aCooSysSeq( + xDiagram->getBaseCoordinateSystems()); + for( std::size_t nCooSysIdx=0; nCooSysIdx<aCooSysSeq.size(); ++nCooSysIdx ) + { + std::vector< rtl::Reference< ChartType > > aChartTypeSeq( aCooSysSeq[nCooSysIdx]->getChartTypes2()); + for( std::size_t nCTIdx=0; nCTIdx<aChartTypeSeq.size(); ++nCTIdx ) + { + rtl::Reference< ChartType > xChartType( aChartTypeSeq[nCTIdx] ); + std::vector< rtl::Reference< DataSeries > > aSeriesSeq( xChartType->getDataSeries2() ); + const sal_Int32 nNumberOfSeries = + ChartTypeHelper::getNumberOfDisplayedSeries( xChartType, aSeriesSeq.size()); + + for( sal_Int32 nSeriesIdx=0; nSeriesIdx<nNumberOfSeries; ++nSeriesIdx ) + { + OUString aSeriesParticle( + ObjectIdentifier::createParticleForSeries( + 0, nCooSysIdx, nCTIdx, nSeriesIdx )); + ObjectIdentifier aSeriesOID( + ObjectIdentifier( ObjectIdentifier::createClassifiedIdentifierForParticle( aSeriesParticle ) ) ); + rOutDiagramSubContainer.push_back( aSeriesOID ); + + ObjectHierarchy::tChildContainer aSeriesSubContainer; + + rtl::Reference< DataSeries > const & xSeries = aSeriesSeq[nSeriesIdx]; + + // data labels + if( DataSeriesHelper::hasDataLabelsAtSeries( xSeries ) ) + { + OUString aChildParticle( ObjectIdentifier::getStringForType( OBJECTTYPE_DATA_LABELS ) + "=" ); + aSeriesSubContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierForParticles( aSeriesParticle, aChildParticle ) ); + } + + // Statistics + if( ChartTypeHelper::isSupportingStatisticProperties( xChartType, nDimensionCount ) ) + { + Sequence< Reference< chart2::XRegressionCurve > > aCurves( xSeries->getRegressionCurves()); + for( sal_Int32 nCurveIdx=0; nCurveIdx<aCurves.getLength(); ++nCurveIdx ) + { + bool bIsAverageLine = RegressionCurveHelper::isMeanValueLine( aCurves[nCurveIdx] ); + aSeriesSubContainer.emplace_back( ObjectIdentifier::createDataCurveCID( aSeriesParticle, nCurveIdx, bIsAverageLine ) ); + if( RegressionCurveHelper::hasEquation( aCurves[nCurveIdx] ) ) + { + aSeriesSubContainer.emplace_back( ObjectIdentifier::createDataCurveEquationCID( aSeriesParticle, nCurveIdx ) ); + } + } + Reference< beans::XPropertySet > xErrorBarProp; + if( (xSeries->getPropertyValue( CHART_UNONAME_ERRORBAR_Y) >>= xErrorBarProp) && + xErrorBarProp.is()) + { + sal_Int32 nStyle = css::chart::ErrorBarStyle::NONE; + if( ( xErrorBarProp->getPropertyValue( "ErrorBarStyle") >>= nStyle ) && + ( nStyle != css::chart::ErrorBarStyle::NONE ) ) + { + aSeriesSubContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierWithParent( + OBJECTTYPE_DATA_ERRORS_Y, u"", aSeriesParticle ) ); + } + } + + if( (xSeries->getPropertyValue(CHART_UNONAME_ERRORBAR_X) >>= xErrorBarProp) && + xErrorBarProp.is()) + { + sal_Int32 nStyle = css::chart::ErrorBarStyle::NONE; + if( ( xErrorBarProp->getPropertyValue( "ErrorBarStyle") >>= nStyle ) && + ( nStyle != css::chart::ErrorBarStyle::NONE ) ) + { + aSeriesSubContainer.emplace_back( ObjectIdentifier::createClassifiedIdentifierWithParent( + OBJECTTYPE_DATA_ERRORS_X, u"", aSeriesParticle ) ); + } + } + } + + // Data Points + // iterate over child shapes of legend and search for matching CIDs + if( m_pExplicitValueProvider ) + { + rtl::Reference< SvxShapeGroupAnyD > xSeriesShapeContainer = + dynamic_cast<SvxShapeGroupAnyD*>( + m_pExplicitValueProvider->getShapeForCID( aSeriesOID.getObjectCID() ).get() ); + lcl_getChildOIDs( aSeriesSubContainer, xSeriesShapeContainer ); + } + + if( ! aSeriesSubContainer.empty()) + m_aChildMap[ aSeriesOID ] = aSeriesSubContainer; + } + } + } + } + catch( const uno::Exception & ) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } +} + +void ObjectHierarchy::createAdditionalShapesTree( ObjectHierarchy::tChildContainer& rContainer ) +{ + try + { + if ( m_pExplicitValueProvider ) + { + rtl::Reference<SvxDrawPage> xDrawPage( m_pExplicitValueProvider->getDrawModelWrapper()->getMainDrawPage() ); + Reference< drawing::XShapes > xChartRoot( DrawModelWrapper::getChartRootShape( xDrawPage ) ); + sal_Int32 nCount = xDrawPage->getCount(); + for ( sal_Int32 i = 0; i < nCount; ++i ) + { + Reference< drawing::XShape > xShape; + if ( xDrawPage->getByIndex( i ) >>= xShape ) + { + if ( xShape.is() && xShape != xChartRoot ) + { + rContainer.emplace_back( xShape ); + } + } + } + } + } + catch ( const uno::Exception& ) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } +} + +bool ObjectHierarchy::hasChildren( const ObjectIdentifier& rParent ) const +{ + if ( rParent.isValid() ) + { + tChildMap::const_iterator aIt( m_aChildMap.find( rParent )); + if( aIt != m_aChildMap.end()) + return ! (aIt->second.empty()); + } + return false; +} + +const ObjectHierarchy::tChildContainer & ObjectHierarchy::getChildren( const ObjectIdentifier& rParent ) const +{ + if ( rParent.isValid() ) + { + tChildMap::const_iterator aIt( m_aChildMap.find( rParent )); + if( aIt != m_aChildMap.end()) + return aIt->second; + } + static const ObjectHierarchy::tChildContainer EMPTY; + return EMPTY; +} + +const ObjectHierarchy::tChildContainer & ObjectHierarchy::getSiblings( const ObjectIdentifier& rNode ) const +{ + if ( rNode.isValid() && !ObjectHierarchy::isRootNode( rNode ) ) + { + for (auto const& child : m_aChildMap) + { + ObjectHierarchy::tChildContainer::const_iterator aElemIt( + std::find( child.second.begin(), child.second.end(), rNode )); + if( aElemIt != child.second.end()) + return child.second; + } + } + static const ObjectHierarchy::tChildContainer EMPTY; + return EMPTY; +} + +ObjectIdentifier ObjectHierarchy::getParentImpl( + const ObjectIdentifier & rParentOID, + const ObjectIdentifier & rOID ) const +{ + // search children + ObjectHierarchy::tChildContainer aChildren( getChildren( rParentOID )); + ObjectHierarchy::tChildContainer::const_iterator aIt( + std::find( aChildren.begin(), aChildren.end(), rOID )); + // recursion end + if( aIt != aChildren.end()) + return rParentOID; + + for (auto const& child : aChildren) + { + // recursion + ObjectIdentifier aTempParent( getParentImpl( child, rOID )); + if ( aTempParent.isValid() ) + { + // exit on success + return aTempParent; + } + } + + // exit on fail + return ObjectIdentifier(); +} + +ObjectIdentifier ObjectHierarchy::getParent( + const ObjectIdentifier & rOID ) const +{ + return getParentImpl( ObjectHierarchy::getRootNodeOID(), rOID ); +} + +ObjectHierarchy::ObjectHierarchy( + const rtl::Reference<::chart::ChartModel> & xChartDocument, + ExplicitValueProvider * pExplicitValueProvider /* = 0 */, + bool bFlattenDiagram /* = false */, + bool bOrderingForElementSelector /* = false */) : + m_pExplicitValueProvider( pExplicitValueProvider ), + m_bFlattenDiagram( bFlattenDiagram ), + m_bOrderingForElementSelector( bOrderingForElementSelector ) +{ + createTree( xChartDocument ); + // don't remember this helper to avoid access after lifetime + m_pExplicitValueProvider = nullptr; +} + +ObjectHierarchy::~ObjectHierarchy() +{} + +ObjectIdentifier ObjectHierarchy::getRootNodeOID() +{ + return ObjectIdentifier( "ROOT" ); +} + +bool ObjectHierarchy::isRootNode( const ObjectIdentifier& rOID ) +{ + return ( rOID == ObjectHierarchy::getRootNodeOID() ); +} + +const ObjectHierarchy::tChildContainer & ObjectHierarchy::getTopLevelChildren() const +{ + return getChildren( ObjectHierarchy::getRootNodeOID()); +} + +sal_Int32 ObjectHierarchy::getIndexInParent( + const ObjectIdentifier& rNode ) const +{ + ObjectIdentifier aParentOID( getParent( rNode )); + const tChildContainer & aChildren( getChildren( aParentOID ) ); + sal_Int32 nIndex = 0; + for (auto const& child : aChildren) + { + if ( child == rNode ) + return nIndex; + ++nIndex; + } + return -1; +} + +ObjectKeyNavigation::ObjectKeyNavigation( + const ObjectIdentifier & rCurrentOID, + const rtl::Reference<::chart::ChartModel> & xChartDocument, + ExplicitValueProvider * pExplicitValueProvider /* = 0 */ ) : + m_aCurrentOID( rCurrentOID ), + m_xChartDocument( xChartDocument ), + m_pExplicitValueProvider( pExplicitValueProvider ) +{ + if ( !m_aCurrentOID.isValid() ) + { + setCurrentSelection( ObjectHierarchy::getRootNodeOID() ); + } +} + +bool ObjectKeyNavigation::handleKeyEvent( + const awt::KeyEvent & rEvent ) +{ + bool bResult = false; + + switch( rEvent.KeyCode ) + { + case awt::Key::TAB: + if( rEvent.Modifiers & awt::KeyModifier::SHIFT ) + bResult = previous(); + else + bResult = next(); + break; + case awt::Key::HOME: + bResult = first(); + break; + case awt::Key::END: + bResult = last(); + break; + case awt::Key::F3: + if( rEvent.Modifiers & awt::KeyModifier::SHIFT ) + bResult = up(); + else + bResult = down(); + break; + case awt::Key::ESCAPE: + setCurrentSelection( ObjectIdentifier() ); + bResult = true; + break; + default: + bResult = false; + break; + } + return bResult; +} + +void ObjectKeyNavigation::setCurrentSelection( const ObjectIdentifier& rOID ) +{ + m_aCurrentOID = rOID; +} + +bool ObjectKeyNavigation::first() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + ObjectHierarchy::tChildContainer aSiblings( aHierarchy.getSiblings( getCurrentSelection() ) ); + bool bResult = !aSiblings.empty(); + if( bResult ) + setCurrentSelection( aSiblings.front()); + else + bResult = veryFirst(); + return bResult; +} + +bool ObjectKeyNavigation::last() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + ObjectHierarchy::tChildContainer aSiblings( aHierarchy.getSiblings( getCurrentSelection() ) ); + bool bResult = !aSiblings.empty(); + if( bResult ) + setCurrentSelection( aSiblings.back()); + else + bResult = veryLast(); + return bResult; +} + +bool ObjectKeyNavigation::next() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + ObjectHierarchy::tChildContainer aSiblings( aHierarchy.getSiblings( getCurrentSelection() ) ); + bool bResult = !aSiblings.empty(); + if( bResult ) + { + ObjectHierarchy::tChildContainer::const_iterator aIt( + std::find( aSiblings.begin(), aSiblings.end(), getCurrentSelection())); + assert(aIt != aSiblings.end()); + if( ++aIt == aSiblings.end()) + aIt = aSiblings.begin(); + setCurrentSelection( *aIt ); + } + else + bResult = veryFirst(); + + return bResult; +} + +bool ObjectKeyNavigation::previous() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + ObjectHierarchy::tChildContainer aSiblings( aHierarchy.getSiblings( getCurrentSelection())); + bool bResult = !aSiblings.empty(); + if( bResult ) + { + ObjectHierarchy::tChildContainer::const_iterator aIt( + std::find( aSiblings.begin(), aSiblings.end(), getCurrentSelection())); + OSL_ASSERT( aIt != aSiblings.end()); + if( aIt == aSiblings.begin()) + aIt = aSiblings.end(); + --aIt; + setCurrentSelection( *aIt ); + } + else + bResult = veryLast(); + return bResult; +} + +bool ObjectKeyNavigation::up() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + bool bResult = !ObjectHierarchy::isRootNode( getCurrentSelection()); + if( bResult ) + setCurrentSelection( aHierarchy.getParent( getCurrentSelection())); + return bResult; +} + +bool ObjectKeyNavigation::down() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + bool bResult = aHierarchy.hasChildren( getCurrentSelection()); + if( bResult ) + { + ObjectHierarchy::tChildContainer aChildren = aHierarchy.getChildren( getCurrentSelection()); + OSL_ASSERT( !aChildren.empty()); + setCurrentSelection( aChildren.front()); + } + return bResult; +} + +bool ObjectKeyNavigation::veryFirst() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + ObjectHierarchy::tChildContainer aChildren( aHierarchy.getTopLevelChildren()); + bool bResult = !aChildren.empty(); + if( bResult ) + setCurrentSelection( aChildren.front()); + return bResult; +} + +bool ObjectKeyNavigation::veryLast() +{ + ObjectHierarchy aHierarchy( m_xChartDocument, m_pExplicitValueProvider ); + ObjectHierarchy::tChildContainer aChildren( aHierarchy.getTopLevelChildren()); + bool bResult = !aChildren.empty(); + if( bResult ) + setCurrentSelection( aChildren.back()); + return bResult; +} + +} // namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |