Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 394 insertions, 0 deletions

diff --git a/chart2/source/tools/RangeHighlighter.cxx b/chart2/source/tools/RangeHighlighter.cxx
new file mode 100644
index 000000000..d59400050
--- /dev/null
+++ b/chart2/source/tools/RangeHighlighter.cxx
@@ -0,0 +1,394 @@
+/* -*- 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 <RangeHighlighter.hxx>
+#include <WeakListenerAdapter.hxx>
+#include <ChartModel.hxx>
+#include <ChartModelHelper.hxx>
+#include <DataSourceHelper.hxx>
+#include <ObjectIdentifier.hxx>
+#include <DataSeries.hxx>
+#include <DataSeriesHelper.hxx>
+#include <Diagram.hxx>
+
+#include <com/sun/star/chart2/ScaleData.hpp>
+#include <com/sun/star/chart2/XAxis.hpp>
+#include <com/sun/star/chart2/XDataSeries.hpp>
+#include <com/sun/star/chart/ErrorBarStyle.hpp>
+#include <com/sun/star/drawing/XShape.hpp>
+#include <com/sun/star/view/XSelectionSupplier.hpp>
+#include <comphelper/sequence.hxx>
+#include <tools/diagnose_ex.h>
+#include <tools/color.hxx>
+
+using namespace ::com::sun::star;
+
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::Sequence;
+
+namespace
+{
+
+const Color defaultPreferredColor = COL_LIGHTBLUE;
+
+void lcl_fillRanges(
+    Sequence< chart2::data::HighlightedRange > & rOutRanges,
+    const Sequence< OUString >& aRangeStrings,
+    Color nPreferredColor,
+    sal_Int32 nIndex = -1 )
+{
+    rOutRanges.realloc( aRangeStrings.getLength());
+    auto pOutRanges = rOutRanges.getArray();
+    for( sal_Int32 i=0; i<aRangeStrings.getLength(); ++i )
+    {
+        pOutRanges[i].RangeRepresentation = aRangeStrings[i];
+        pOutRanges[i].PreferredColor = sal_Int32(nPreferredColor);
+        pOutRanges[i].AllowMerginigWithOtherRanges = false;
+        pOutRanges[i].Index = nIndex;
+    }
+}
+
+} // anonymous namespace
+
+namespace chart
+{
+
+RangeHighlighter::RangeHighlighter(
+    const rtl::Reference< ChartModel > & xChartModel ) :
+        m_xSelectionSupplier(xChartModel->getCurrentController(), uno::UNO_QUERY),
+        m_xChartModel( xChartModel ),
+        m_nAddedListenerCount( 0 ),
+        m_bIncludeHiddenCells(true)
+{
+}
+
+RangeHighlighter::~RangeHighlighter()
+{}
+
+// ____ XRangeHighlighter ____
+Sequence< chart2::data::HighlightedRange > SAL_CALL RangeHighlighter::getSelectedRanges()
+{
+    return m_aSelectedRanges;
+}
+
+void RangeHighlighter::determineRanges()
+{
+    m_aSelectedRanges.realloc( 0 );
+    if( !m_xChartModel.is())
+        return;
+    if( !m_xSelectionSupplier.is())
+        return;
+
+    try
+    {
+        m_bIncludeHiddenCells = ChartModelHelper::isIncludeHiddenCells( m_xChartModel );
+
+        uno::Any aSelection( m_xSelectionSupplier->getSelection());
+        const uno::Type& rType = aSelection.getValueType();
+
+        if ( rType == cppu::UnoType<OUString>::get() )
+        {
+            // @todo??: maybe getSelection() should return a model object rather than a CID
+
+            OUString aCID;
+            aSelection >>= aCID;
+            if ( !aCID.isEmpty() )
+            {
+                ObjectType eObjectType = ObjectIdentifier::getObjectType( aCID );
+                sal_Int32 nIndex = ObjectIdentifier::getIndexFromParticleOrCID( aCID );
+                rtl::Reference< DataSeries > xDataSeries( ObjectIdentifier::getDataSeriesForCID( aCID, m_xChartModel ) );
+                if( eObjectType == OBJECTTYPE_LEGEND_ENTRY )
+                {
+                    OUString aParentParticel( ObjectIdentifier::getFullParentParticle( aCID ) );
+                    ObjectType eParentObjectType = ObjectIdentifier::getObjectType( aParentParticel );
+                    eObjectType = eParentObjectType;
+                    if( eObjectType == OBJECTTYPE_DATA_POINT )
+                        nIndex = ObjectIdentifier::getIndexFromParticleOrCID( aParentParticel );
+                }
+
+                if( eObjectType == OBJECTTYPE_DATA_POINT || eObjectType == OBJECTTYPE_DATA_LABEL )
+                {
+                    // Data Point
+                    fillRangesForDataPoint( xDataSeries, nIndex );
+                    return;
+                }
+                else if( eObjectType == OBJECTTYPE_DATA_ERRORS_X ||
+                         eObjectType == OBJECTTYPE_DATA_ERRORS_Y ||
+                         eObjectType == OBJECTTYPE_DATA_ERRORS_Z )
+                {
+                    // select error bar ranges, or data series, if the style is
+                    // not set to FROM_DATA
+                    fillRangesForErrorBars( ObjectIdentifier::getObjectPropertySet( aCID, m_xChartModel ), xDataSeries );
+                    return;
+                }
+                else if( xDataSeries.is() )
+                {
+                    // Data Series
+                    fillRangesForDataSeries( xDataSeries );
+                    return;
+                }
+                else if( eObjectType == OBJECTTYPE_AXIS )
+                {
+                    // Axis (Categories)
+                    Reference< chart2::XAxis > xAxis( ObjectIdentifier::getObjectPropertySet( aCID, m_xChartModel ), uno::UNO_QUERY );
+                    if( xAxis.is())
+                    {
+                        fillRangesForCategories( xAxis );
+                        return;
+                    }
+                }
+                else if( eObjectType == OBJECTTYPE_PAGE
+                         || eObjectType == OBJECTTYPE_DIAGRAM
+                         || eObjectType == OBJECTTYPE_DIAGRAM_WALL
+                         || eObjectType == OBJECTTYPE_DIAGRAM_FLOOR
+                    )
+                {
+                    // Diagram
+                    rtl::Reference< ::chart::Diagram > xDia( ObjectIdentifier::getDiagramForCID( aCID, m_xChartModel ) );
+                    if( xDia.is())
+                    {
+                        fillRangesForDiagram( xDia );
+                        return;
+                    }
+                }
+            }
+        }
+        else if ( rType == cppu::UnoType< drawing::XShape >::get() )
+        {
+            // #i12587# support for shapes in chart
+            Reference< drawing::XShape > xShape;
+            aSelection >>= xShape;
+            if ( xShape.is() )
+            {
+                return;
+            }
+        }
+        else
+        {
+            //if nothing is selected select all ranges
+            fillRangesForDiagram( m_xChartModel->getFirstChartDiagram() );
+            return;
+        }
+    }
+    catch( const uno::Exception & )
+    {
+        DBG_UNHANDLED_EXCEPTION("chart2");
+    }
+}
+
+void RangeHighlighter::fillRangesForDiagram( const rtl::Reference< Diagram > & xDiagram )
+{
+    Sequence< OUString > aSelectedRanges( DataSourceHelper::getUsedDataRanges( xDiagram ));
+    m_aSelectedRanges.realloc( aSelectedRanges.getLength());
+    auto pSelectedRanges = m_aSelectedRanges.getArray();
+    // @todo: merge ranges
+    for( sal_Int32 i=0; i<aSelectedRanges.getLength(); ++i )
+    {
+        pSelectedRanges[i].RangeRepresentation = aSelectedRanges[i];
+        pSelectedRanges[i].Index = -1;
+        pSelectedRanges[i].PreferredColor = sal_Int32(defaultPreferredColor);
+        pSelectedRanges[i].AllowMerginigWithOtherRanges = true;
+    }
+}
+
+void RangeHighlighter::fillRangesForDataSeries( const uno::Reference< chart2::XDataSeries > & xSeries )
+{
+    Reference< chart2::data::XDataSource > xSource( xSeries, uno::UNO_QUERY );
+    if( xSource.is())
+    {
+        lcl_fillRanges( m_aSelectedRanges,
+                        ::chart::DataSourceHelper::getRangesFromDataSource( xSource ),
+                        defaultPreferredColor );
+    }
+}
+
+void RangeHighlighter::fillRangesForErrorBars(
+    const uno::Reference< beans::XPropertySet > & xErrorBar,
+    const uno::Reference< chart2::XDataSeries > & xSeries )
+{
+    // only show error bar ranges, if the style is set to FROM_DATA
+    bool bUsesRangesAsErrorBars = false;
+    try
+    {
+        sal_Int32 nStyle = css::chart::ErrorBarStyle::NONE;
+        bUsesRangesAsErrorBars =
+            ( xErrorBar.is() &&
+              (xErrorBar->getPropertyValue( "ErrorBarStyle") >>= nStyle) &&
+              nStyle == css::chart::ErrorBarStyle::FROM_DATA );
+    }
+    catch( const uno::Exception & )
+    {
+        DBG_UNHANDLED_EXCEPTION("chart2");
+    }
+
+    if( bUsesRangesAsErrorBars )
+    {
+        Reference< chart2::data::XDataSource > xSource( xErrorBar, uno::UNO_QUERY );
+        if( xSource.is())
+        {
+            lcl_fillRanges( m_aSelectedRanges,
+                            ::chart::DataSourceHelper::getRangesFromDataSource( xSource ),
+                            defaultPreferredColor );
+        }
+    }
+    else
+    {
+        fillRangesForDataSeries( xSeries );
+    }
+}
+
+void RangeHighlighter::fillRangesForCategories( const Reference< chart2::XAxis > & xAxis )
+{
+    if( ! xAxis.is())
+        return;
+    chart2::ScaleData aData( xAxis->getScaleData());
+    lcl_fillRanges( m_aSelectedRanges,
+                    DataSourceHelper::getRangesFromLabeledDataSequence( aData.Categories ),
+                    defaultPreferredColor );
+}
+
+void RangeHighlighter::fillRangesForDataPoint( const rtl::Reference< DataSeries > & xDataSeries, sal_Int32 nIndex )
+{
+    if( !xDataSeries.is())
+        return;
+
+    Color nPreferredColor = defaultPreferredColor;
+    std::vector< chart2::data::HighlightedRange > aHilightedRanges;
+    const std::vector< uno::Reference< chart2::data::XLabeledDataSequence > > & aLSeqSeq( xDataSeries->getDataSequences2());
+    for( uno::Reference< chart2::data::XLabeledDataSequence > const & labelDataSeq : aLSeqSeq )
+    {
+        Reference< chart2::data::XDataSequence > xLabel( labelDataSeq->getLabel());
+        Reference< chart2::data::XDataSequence > xValues( labelDataSeq->getValues());
+
+        if( xLabel.is())
+            aHilightedRanges.emplace_back(
+                    xLabel->getSourceRangeRepresentation(),
+                    -1,
+                    sal_Int32(nPreferredColor),
+                    false );
+
+        sal_Int32 nUnhiddenIndex = DataSeriesHelper::translateIndexFromHiddenToFullSequence( nIndex, xValues, !m_bIncludeHiddenCells );
+        if( xValues.is())
+            aHilightedRanges.emplace_back(
+                    xValues->getSourceRangeRepresentation(),
+                    nUnhiddenIndex,
+                    sal_Int32(nPreferredColor),
+                    false );
+    }
+    m_aSelectedRanges = comphelper::containerToSequence( aHilightedRanges );
+}
+
+void SAL_CALL RangeHighlighter::addSelectionChangeListener( const Reference< view::XSelectionChangeListener >& xListener )
+{
+    if(!xListener.is())
+        return;
+
+    if( m_nAddedListenerCount == 0 )
+        startListening();
+    std::unique_lock g(m_aMutex);
+    maSelectionChangeListeners.addInterface( g, xListener);
+    ++m_nAddedListenerCount;
+
+    //bring the new listener up to the current state
+    lang::EventObject aEvent( static_cast< lang::XComponent* >( this ) );
+    xListener->selectionChanged( aEvent );
+}
+
+void SAL_CALL RangeHighlighter::removeSelectionChangeListener( const Reference< view::XSelectionChangeListener >& xListener )
+{
+    std::unique_lock g(m_aMutex);
+    maSelectionChangeListeners.removeInterface( g, xListener );
+    --m_nAddedListenerCount;
+    if( m_nAddedListenerCount == 0 )
+        stopListening();
+}
+
+// ____ XSelectionChangeListener ____
+void SAL_CALL RangeHighlighter::selectionChanged( const lang::EventObject& /*aEvent*/ )
+{
+    determineRanges();
+
+    // determine ranges of selected view objects
+    // if changed, fire an event
+    fireSelectionEvent();
+}
+
+void RangeHighlighter::fireSelectionEvent()
+{
+    std::unique_lock g(m_aMutex);
+    if( maSelectionChangeListeners.getLength(g) )
+    {
+        lang::EventObject aEvent( static_cast< lang::XComponent* >( this ) );
+        maSelectionChangeListeners.forEach(g,
+            [&aEvent](const css::uno::Reference<view::XSelectionChangeListener>& xListener)
+            {
+                xListener->selectionChanged(aEvent);
+            }
+        );
+    }
+}
+
+void SAL_CALL RangeHighlighter::disposing( const lang::EventObject& Source )
+{
+    if( Source.Source == m_xSelectionSupplier )
+    {
+        m_xSelectionSupplier.clear();
+        m_aSelectedRanges.realloc( 0 );
+        fireSelectionEvent();
+    }
+}
+
+void RangeHighlighter::startListening()
+{
+    if( m_xSelectionSupplier.is())
+    {
+        if( ! m_xListener.is())
+        {
+            m_xListener.set( new WeakSelectionChangeListenerAdapter( this ));
+            determineRanges();
+        }
+        m_xSelectionSupplier->addSelectionChangeListener( m_xListener );
+    }
+}
+
+void RangeHighlighter::stopListening()
+{
+    if( m_xSelectionSupplier.is() && m_xListener.is())
+    {
+        m_xSelectionSupplier->removeSelectionChangeListener( m_xListener );
+        m_xListener.clear();
+    }
+}
+
+// ____ WeakComponentImplHelperBase ____
+// is called when dispose() is called at this component
+void RangeHighlighter::disposing(std::unique_lock<std::mutex>&)
+{
+    // @todo: remove listener. Currently the controller shows an assertion
+    // because it is already disposed
+//     stopListening();
+    m_xListener.clear();
+    m_xSelectionSupplier.clear();
+    m_nAddedListenerCount =  0;
+    m_aSelectedRanges.realloc( 0 );
+}
+
+} //  namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */