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libreoffice/chart2/source/tools/ReferenceSizeProvider.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

339 lines
10 KiB
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/* -*- 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 <ChartModel.hxx>
#include <DataSeries.hxx>
#include <DataSeriesProperties.hxx>
#include <Diagram.hxx>
#include <Axis.hxx>
#include <AxisHelper.hxx>
#include <Legend.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <vector>
using namespace ::com::sun::star;
using namespace ::com::sun::star::chart2;
using namespace ::chart::DataSeriesProperties;
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( u"ReferencePageSize"_ustr) >>= 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( m_xChartDoc->getFirstChartDiagram());
if (!xDiagram)
return;
// DataSeries/Points
std::vector< rtl::Reference< DataSeries > > aSeries =
xDiagram->getDataSeries();
for (auto const& elem : aSeries)
{
// data points
Sequence< sal_Int32 > aPointIndexes;
try
{
// "AttributedDataPoints"
if( elem->getFastPropertyValue( PROP_DATASERIES_ATTRIBUTED_DATA_POINTS) >>= aPointIndexes )
{
for (sal_Int32 idx : 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 OUString aRefSizeName = u"ReferencePageSize"_ustr;
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( u"ReferencePageSize"_ustr ).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
|| eResult == AUTO_RESIZE_UNKNOWN) // Unknown when xChartDoc is null.
return eResult;
// diagram is needed by the rest of the objects
rtl::Reference< Diagram > xDiagram = xChartDoc->getFirstChartDiagram();
if( ! xDiagram.is())
return eResult;
// Sub Title
if( xDiagram.is())
impl_getAutoResizeFromTitled( xDiagram, eResult );
if( eResult == AUTO_RESIZE_AMBIGUOUS )
return eResult;
// Legend
rtl::Reference< Legend > xLegend( xDiagram->getLegend2() );
if( xLegend.is())
getAutoResizeFromPropSet( xLegend, 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 =
xDiagram->getDataSeries();
for (auto const& elem : aSeries)
{
getAutoResizeFromPropSet( elem, eResult );
if( eResult == AUTO_RESIZE_AMBIGUOUS )
return eResult;
// data points
Sequence< sal_Int32 > aPointIndexes;
try
{
// "AttributedDataPoints"
if( elem->getFastPropertyValue( PROP_DATASERIES_ATTRIBUTED_DATA_POINTS) >>= aPointIndexes )
{
for (sal_Int32 idx : 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 = m_xChartDoc->getFirstChartDiagram();
if( ! xDiagram.is())
return;
// Sub Title
impl_setValuesAtTitled( xDiagram );
// Legend
rtl::Reference< Legend > xLegend( xDiagram->getLegend2() );
if( xLegend.is())
setValuesAtPropertySet( xLegend );
// 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: */