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| -rw-r--r-- | chart2/source/tools/ReferenceSizeProvider.cxx | 333 |
1 files changed, 333 insertions, 0 deletions
diff --git a/chart2/source/tools/ReferenceSizeProvider.cxx b/chart2/source/tools/ReferenceSizeProvider.cxx new file mode 100644 index 000000000..dd099edcf --- /dev/null +++ b/chart2/source/tools/ReferenceSizeProvider.cxx @@ -0,0 +1,333 @@ +/* -*- 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 <ReferenceSizeProvider.hxx> +#include <RelativeSizeHelper.hxx> +#include <ChartModelHelper.hxx> +#include <ChartModel.hxx> +#include <DataSeries.hxx> +#include <DiagramHelper.hxx> +#include <Diagram.hxx> +#include <Axis.hxx> +#include <AxisHelper.hxx> +#include <tools/diagnose_ex.h> + +#include <vector> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::chart2; + +using ::com::sun::star::uno::Reference; +using ::com::sun::star::uno::Sequence; + +namespace chart +{ + +ReferenceSizeProvider::ReferenceSizeProvider( + awt::Size aPageSize, + const rtl::Reference<::chart::ChartModel> & xChartDoc ) : + m_aPageSize( aPageSize ), + m_xChartDoc( xChartDoc ), + m_bUseAutoScale( getAutoResizeState( xChartDoc ) == AUTO_RESIZE_YES ) +{} + +void ReferenceSizeProvider::impl_setValuesAtTitled( + const Reference< XTitled > & xTitled ) +{ + if( xTitled.is()) + { + Reference< XTitle > xTitle( xTitled->getTitleObject()); + if( xTitle.is()) + setValuesAtTitle( xTitle ); + } +} + +void ReferenceSizeProvider::setValuesAtTitle( + const Reference< XTitle > & xTitle ) +{ + try + { + Reference< beans::XPropertySet > xTitleProp( xTitle, uno::UNO_QUERY_THROW ); + awt::Size aOldRefSize; + bool bHasOldRefSize( + xTitleProp->getPropertyValue( "ReferencePageSize") >>= aOldRefSize ); + + // set from auto-resize on to off -> adapt font sizes at XFormattedStrings + if( bHasOldRefSize && ! useAutoScale()) + { + const uno::Sequence< uno::Reference< XFormattedString > > aStrSeq( + xTitle->getText()); + for( uno::Reference< XFormattedString > const & formattedStr : aStrSeq ) + { + RelativeSizeHelper::adaptFontSizes( + Reference< beans::XPropertySet >( formattedStr, uno::UNO_QUERY ), + aOldRefSize, getPageSize()); + } + } + + setValuesAtPropertySet( xTitleProp, /* bAdaptFontSizes = */ false ); + } + catch (const uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } +} + +void ReferenceSizeProvider::setValuesAtAllDataSeries() +{ + rtl::Reference< Diagram > xDiagram( ChartModelHelper::findDiagram( m_xChartDoc )); + + // DataSeries/Points + std::vector< rtl::Reference< DataSeries > > aSeries = + DiagramHelper::getDataSeriesFromDiagram( xDiagram ); + + for (auto const& elem : aSeries) + { + // data points + Sequence< sal_Int32 > aPointIndexes; + try + { + if( elem->getPropertyValue( "AttributedDataPoints") >>= aPointIndexes ) + { + for( sal_Int32 idx : std::as_const(aPointIndexes) ) + setValuesAtPropertySet( + elem->getDataPointByIndex( idx ) ); + } + } + catch (const uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } + + //it is important to correct the datapoint properties first as they do reference the series properties + setValuesAtPropertySet( elem ); + } +} + +void ReferenceSizeProvider::setValuesAtPropertySet( + const Reference< beans::XPropertySet > & xProp, + bool bAdaptFontSizes /* = true */ ) +{ + if( ! xProp.is()) + return; + + static constexpr OUStringLiteral aRefSizeName = u"ReferencePageSize"; + + try + { + awt::Size aRefSize( getPageSize() ); + awt::Size aOldRefSize; + bool bHasOldRefSize( xProp->getPropertyValue( aRefSizeName ) >>= aOldRefSize ); + + if( useAutoScale()) + { + if( ! bHasOldRefSize ) + xProp->setPropertyValue( aRefSizeName, uno::Any( aRefSize )); + } + else + { + if( bHasOldRefSize ) + { + xProp->setPropertyValue( aRefSizeName, uno::Any()); + + // adapt font sizes + if( bAdaptFontSizes ) + RelativeSizeHelper::adaptFontSizes( xProp, aOldRefSize, aRefSize ); + } + } + } + catch (const uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } +} + +void ReferenceSizeProvider::getAutoResizeFromPropSet( + const Reference< beans::XPropertySet > & xProp, + ReferenceSizeProvider::AutoResizeState & rInOutState ) +{ + AutoResizeState eSingleState = AUTO_RESIZE_UNKNOWN; + + if( xProp.is()) + { + try + { + if( xProp->getPropertyValue( "ReferencePageSize" ).hasValue()) + eSingleState = AUTO_RESIZE_YES; + else + eSingleState = AUTO_RESIZE_NO; + } + catch (const uno::Exception&) + { + // unknown property -> state stays unknown + } + } + + // current state unknown => nothing changes. Otherwise if current state + // differs from state so far, we have an ambiguity + if( rInOutState == AUTO_RESIZE_UNKNOWN ) + { + rInOutState = eSingleState; + } + else if( eSingleState != AUTO_RESIZE_UNKNOWN && + eSingleState != rInOutState ) + { + rInOutState = AUTO_RESIZE_AMBIGUOUS; + } +} + +void ReferenceSizeProvider::impl_getAutoResizeFromTitled( + const Reference< XTitled > & xTitled, + ReferenceSizeProvider::AutoResizeState & rInOutState ) +{ + if( xTitled.is()) + { + Reference< beans::XPropertySet > xProp( xTitled->getTitleObject(), uno::UNO_QUERY ); + if( xProp.is()) + getAutoResizeFromPropSet( xProp, rInOutState ); + } +} + +/** Retrieves the state auto-resize from all objects that support this + feature. If all objects return the same state, AUTO_RESIZE_YES or + AUTO_RESIZE_NO is returned. + + If no object supporting the feature is found, AUTO_RESIZE_UNKNOWN is + returned. If there are multiple objects, some with state YES and some + with state NO, AUTO_RESIZE_AMBIGUOUS is returned. +*/ +ReferenceSizeProvider::AutoResizeState ReferenceSizeProvider::getAutoResizeState( + const rtl::Reference<::chart::ChartModel> & xChartDoc ) +{ + AutoResizeState eResult = AUTO_RESIZE_UNKNOWN; + + // Main Title + if( xChartDoc.is()) + impl_getAutoResizeFromTitled( xChartDoc, eResult ); + if( eResult == AUTO_RESIZE_AMBIGUOUS ) + return eResult; + + // diagram is needed by the rest of the objects + rtl::Reference< Diagram > xDiagram = ChartModelHelper::findDiagram( xChartDoc ); + if( ! xDiagram.is()) + return eResult; + + // Sub Title + if( xDiagram.is()) + impl_getAutoResizeFromTitled( xDiagram, eResult ); + if( eResult == AUTO_RESIZE_AMBIGUOUS ) + return eResult; + + // Legend + Reference< beans::XPropertySet > xLegendProp( xDiagram->getLegend(), uno::UNO_QUERY ); + if( xLegendProp.is()) + getAutoResizeFromPropSet( xLegendProp, eResult ); + if( eResult == AUTO_RESIZE_AMBIGUOUS ) + return eResult; + + // Axes (incl. Axis Titles) + const std::vector< rtl::Reference< Axis > > aAxes = AxisHelper::getAllAxesOfDiagram( xDiagram ); + for( rtl::Reference< Axis > const & axis : aAxes ) + { + getAutoResizeFromPropSet( axis, eResult ); + impl_getAutoResizeFromTitled( axis, eResult ); + if( eResult == AUTO_RESIZE_AMBIGUOUS ) + return eResult; + } + + // DataSeries/Points + std::vector< rtl::Reference< DataSeries > > aSeries = + DiagramHelper::getDataSeriesFromDiagram( xDiagram ); + + for (auto const& elem : aSeries) + { + getAutoResizeFromPropSet( elem, eResult ); + if( eResult == AUTO_RESIZE_AMBIGUOUS ) + return eResult; + + // data points + Sequence< sal_Int32 > aPointIndexes; + try + { + if( elem->getPropertyValue( "AttributedDataPoints") >>= aPointIndexes ) + { + for( sal_Int32 idx : std::as_const(aPointIndexes) ) + { + getAutoResizeFromPropSet( + elem->getDataPointByIndex( idx ), eResult ); + if( eResult == AUTO_RESIZE_AMBIGUOUS ) + return eResult; + } + } + } + catch (const uno::Exception&) + { + DBG_UNHANDLED_EXCEPTION("chart2"); + } + } + + return eResult; +} + +void ReferenceSizeProvider::toggleAutoResizeState() +{ + setAutoResizeState( m_bUseAutoScale ? AUTO_RESIZE_NO : AUTO_RESIZE_YES ); +} + +/** sets the auto-resize at all objects that support this feature for text. + eNewState must be either AUTO_RESIZE_YES or AUTO_RESIZE_NO +*/ +void ReferenceSizeProvider::setAutoResizeState( ReferenceSizeProvider::AutoResizeState eNewState ) +{ + m_bUseAutoScale = (eNewState == AUTO_RESIZE_YES); + + // Main Title + impl_setValuesAtTitled( m_xChartDoc ); + + // diagram is needed by the rest of the objects + rtl::Reference< Diagram > xDiagram = ChartModelHelper::findDiagram( m_xChartDoc ); + if( ! xDiagram.is()) + return; + + // Sub Title + impl_setValuesAtTitled( xDiagram ); + + // Legend + Reference< beans::XPropertySet > xLegendProp( xDiagram->getLegend(), uno::UNO_QUERY ); + if( xLegendProp.is()) + setValuesAtPropertySet( xLegendProp ); + + // Axes (incl. Axis Titles) + const std::vector< rtl::Reference< Axis > > aAxes = AxisHelper::getAllAxesOfDiagram( xDiagram ); + for( rtl::Reference< Axis > const & axis : aAxes ) + { + setValuesAtPropertySet( axis ); + impl_setValuesAtTitled( axis ); + } + + // DataSeries/Points + setValuesAtAllDataSeries(); + + // recalculate new state (in case it stays unknown or is ambiguous + m_bUseAutoScale = (getAutoResizeState( m_xChartDoc ) == AUTO_RESIZE_YES); +} + +} // namespace chart + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |