1 files changed, 296 insertions, 0 deletions
diff --git a/chart2/source/tools/PropertyHelper.cxx b/chart2/source/tools/PropertyHelper.cxx
new file mode 100644
index 000000000..9f34ba1c2
--- /dev/null
+++ b/chart2/source/tools/PropertyHelper.cxx
@@ -0,0 +1,296 @@
+/* -*- 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 <PropertyHelper.hxx>
+#include <com/sun/star/container/XNameContainer.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <comphelper/sequence.hxx>
+#include <osl/diagnose.h>
+#include <tools/diagnose_ex.h>
+#include <o3tl/string_view.hxx>
+
+#include <vector>
+#include <algorithm>
+#include <iterator>
+
+using namespace ::com::sun::star;
+using namespace ::com::sun::star::beans;
+using ::com::sun::star::uno::Any;
+using ::com::sun::star::uno::Reference;
+
+namespace
+{
+struct lcl_EqualsElement
+{
+    explicit lcl_EqualsElement( const Any & rValue, const Reference< container::XNameAccess > & xAccess )
+            : m_aValue( rValue ), m_xAccess( xAccess )
+    {
+        OSL_ASSERT( m_xAccess.is());
+    }
+
+    bool operator() ( const OUString & rName )
+    {
+        try
+        {
+            return (m_xAccess->getByName( rName ) == m_aValue);
+        }
+        catch( const uno::Exception & )
+        {
+            DBG_UNHANDLED_EXCEPTION("chart2");
+        }
+        return false;
+    }
+
+private:
+    Any m_aValue;
+    Reference< container::XNameAccess > m_xAccess;
+};
+
+struct lcl_StringMatches
+{
+    explicit lcl_StringMatches( const OUString & rCmpStr ) :
+            m_aCmpStr( rCmpStr )
+    {}
+
+    bool operator() ( std::u16string_view rStr )
+    {
+        return o3tl::starts_with( rStr, m_aCmpStr );
+    }
+
+private:
+    OUString m_aCmpStr;
+};
+
+struct lcl_OUStringRestToInt32
+{
+    explicit lcl_OUStringRestToInt32( sal_Int32 nPrefixLength ) :
+            m_nPrefixLength( nPrefixLength )
+    {}
+    sal_Int32 operator() ( const OUString & rStr )
+    {
+        if( m_nPrefixLength > rStr.getLength() )
+            return 0;
+        return o3tl::toInt32(rStr.subView( m_nPrefixLength ));
+    }
+private:
+    sal_Int32 m_nPrefixLength;
+};
+
+/** adds a fill gradient, fill hatch, fill bitmap, fill transparency gradient,
+    line dash or line marker to the corresponding name container with a unique
+    name.
+
+    @param rPrefix
+        The prefix used for automated name generation.
+
+    @param rPreferredName
+        If this string is not empty it is used as name if it is unique in the
+        table. Otherwise a new name is generated using pPrefix.
+
+    @return the new name under which the property was stored in the table
+*/
+OUString lcl_addNamedPropertyUniqueNameToTable(
+    const Any & rValue,
+    const Reference< container::XNameContainer > & xNameContainer,
+    const OUString & rPrefix,
+    const OUString & rPreferredName )
+{
+    if( ! xNameContainer.is() ||
+        ! rValue.hasValue() ||
+        ( rValue.getValueType() != xNameContainer->getElementType()))
+        return rPreferredName;
+
+    try
+    {
+        Reference< container::XNameAccess > xNameAccess( xNameContainer, uno::UNO_QUERY_THROW );
+        const uno::Sequence<OUString> aElementNames = xNameAccess->getElementNames();
+        auto it = std::find_if( aElementNames.begin(), aElementNames.end(), lcl_EqualsElement( rValue, xNameAccess ));
+
+        // element found => return name
+        if( it != aElementNames.end())
+            return *it;
+
+        // element not found in container
+        OUString aUniqueName;
+
+        // check if preferred name is already used
+        if( !rPreferredName.isEmpty())
+        {
+            auto aIt = std::find( aElementNames.begin(), aElementNames.end(), rPreferredName );
+            if( aIt == aElementNames.end())
+                aUniqueName = rPreferredName;
+        }
+
+        if( aUniqueName.isEmpty())
+        {
+            auto aNames( comphelper::sequenceToContainer<std::vector< OUString >>( aElementNames ));
+            // create a unique id using the prefix plus a number
+            std::vector< sal_Int32 > aNumbers;
+            std::vector< OUString >::iterator aNonConstIt(
+                std::partition( aNames.begin(), aNames.end(), lcl_StringMatches( rPrefix )));
+            std::transform( aNames.begin(), aNonConstIt,
+                              back_inserter( aNumbers ),
+                              lcl_OUStringRestToInt32( rPrefix.getLength() ));
+            std::vector< sal_Int32 >::const_iterator aMaxIt(
+                std::max_element( aNumbers.begin(), aNumbers.end()));
+
+            sal_Int32 nIndex = 1;
+            if( aMaxIt != aNumbers.end())
+                nIndex = (*aMaxIt) + 1;
+
+            aUniqueName = rPrefix + OUString::number( nIndex );
+        }
+
+        OSL_ASSERT( !aUniqueName.isEmpty());
+        xNameContainer->insertByName( aUniqueName, rValue );
+        return aUniqueName;
+    }
+    catch( const uno::Exception & )
+    {
+        DBG_UNHANDLED_EXCEPTION("chart2");
+    }
+
+    return rPreferredName;
+}
+
+} // anonymous namespace
+
+namespace chart::PropertyHelper
+{
+
+OUString addLineDashUniqueNameToTable(
+    const Any & rValue,
+    const Reference< lang::XMultiServiceFactory > & xFact,
+    const OUString & rPreferredName )
+{
+    if( xFact.is())
+    {
+        Reference< container::XNameContainer > xNameCnt(
+            xFact->createInstance( "com.sun.star.drawing.DashTable"),
+            uno::UNO_QUERY );
+        if( xNameCnt.is())
+            return lcl_addNamedPropertyUniqueNameToTable(
+                rValue, xNameCnt, "ChartDash ", rPreferredName );
+    }
+    return OUString();
+}
+
+OUString addGradientUniqueNameToTable(
+    const Any & rValue,
+    const Reference< lang::XMultiServiceFactory > & xFact,
+    const OUString & rPreferredName )
+{
+    if( xFact.is())
+    {
+        Reference< container::XNameContainer > xNameCnt(
+            xFact->createInstance( "com.sun.star.drawing.GradientTable"),
+            uno::UNO_QUERY );
+        if( xNameCnt.is())
+            return lcl_addNamedPropertyUniqueNameToTable(
+                rValue, xNameCnt, "ChartGradient ", rPreferredName );
+    }
+    return OUString();
+}
+
+OUString addTransparencyGradientUniqueNameToTable(
+    const Any & rValue,
+    const Reference< lang::XMultiServiceFactory > & xFact,
+    const OUString & rPreferredName )
+{
+    if( xFact.is())
+    {
+        Reference< container::XNameContainer > xNameCnt(
+            xFact->createInstance( "com.sun.star.drawing.TransparencyGradientTable"),
+            uno::UNO_QUERY );
+        if( xNameCnt.is())
+            return lcl_addNamedPropertyUniqueNameToTable(
+                rValue, xNameCnt, "ChartTransparencyGradient ", rPreferredName );
+    }
+    return OUString();
+}
+
+OUString addHatchUniqueNameToTable(
+    const Any & rValue,
+    const Reference< lang::XMultiServiceFactory > & xFact,
+    const OUString & rPreferredName )
+{
+    if( xFact.is())
+    {
+        Reference< container::XNameContainer > xNameCnt(
+            xFact->createInstance( "com.sun.star.drawing.HatchTable"),
+            uno::UNO_QUERY );
+        if( xNameCnt.is())
+            return lcl_addNamedPropertyUniqueNameToTable(
+                rValue, xNameCnt, "ChartHatch ", rPreferredName );
+    }
+    return OUString();
+}
+
+OUString addBitmapUniqueNameToTable(
+    const Any & rValue,
+    const Reference< lang::XMultiServiceFactory > & xFact,
+    const OUString & rPreferredName )
+{
+    if( xFact.is())
+    {
+        Reference< container::XNameContainer > xNameCnt(
+            xFact->createInstance( "com.sun.star.drawing.BitmapTable"),
+            uno::UNO_QUERY );
+        if( xNameCnt.is())
+            return lcl_addNamedPropertyUniqueNameToTable(
+                rValue, xNameCnt, "ChartBitmap ", rPreferredName );
+    }
+    return OUString();
+}
+
+void setPropertyValueAny( tPropertyValueMap & rOutMap, tPropertyValueMapKey key, const uno::Any & rAny )
+{
+    tPropertyValueMap::iterator aIt( rOutMap.find( key ));
+    if( aIt == rOutMap.end())
+        rOutMap.emplace( key, rAny );
+    else
+        (*aIt).second = rAny;
+}
+
+template<>
+    void setPropertyValue< css::uno::Any >( tPropertyValueMap & rOutMap, tPropertyValueMapKey key, const css::uno::Any & rAny )
+{
+    setPropertyValueAny( rOutMap, key, rAny );
+}
+
+void setPropertyValueDefaultAny( tPropertyValueMap & rOutMap, tPropertyValueMapKey key, const uno::Any & rAny )
+{
+    OSL_ENSURE( rOutMap.end() == rOutMap.find( key ), "Default already exists for property" );
+    setPropertyValue( rOutMap, key, rAny );
+}
+
+template<>
+    void setPropertyValueDefault< css::uno::Any >( tPropertyValueMap & rOutMap, tPropertyValueMapKey key, const css::uno::Any & rAny )
+{
+    setPropertyValueDefaultAny( rOutMap, key, rAny );
+}
+
+void setEmptyPropertyValueDefault( tPropertyValueMap & rOutMap, tPropertyValueMapKey key )
+{
+    setPropertyValueDefault( rOutMap, key, uno::Any());
+}
+
+} //  namespace chart::PropertyHelper
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */