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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 .
+ */
+
+#pragma once
+
+#include <sal/types.h>
+#include <memory>
+#include <map>
+
+#include <VCoordinateSystem.hxx>
+#include <AxisHelper.hxx>
+#include <ScaleAutomatism.hxx>
+
+namespace chart
+{
+//first index is the dimension, second index is the axis index that indicates whether this is a main or secondary axis
+typedef std::pair<sal_Int32, sal_Int32> tFullAxisIndex;
+typedef std::map<VCoordinateSystem*, tFullAxisIndex> tCoordinateSystemMap;
+
+/** This class handles a collection of coordinate systems and is used for
+ * executing some action on all coordinate systems such as
+ * "prepareAutomaticAxisScaling" and "setExplicitScaleAndIncrement".
+ * Moreover it contains the "aAutoScaling" object that is an instance of
+ * the "ScaleAutomatism" class. The initialization of "aAutoScaling" is
+ * performed in the "SeriesPlotterContainer::initAxisUsageList" method and is
+ * used in the "SeriesPlotterContainer::doAutoScaling" for calculating explicit
+ * scale and increment objects (see "SeriesPlotterContainer::doAutoScaling").
+ */
+class AxisUsage
+{
+public:
+ AxisUsage()
+ : aAutoScaling(AxisHelper::createDefaultScale(), Date(Date::SYSTEM))
+ {
+ }
+
+ void addCoordinateSystem(VCoordinateSystem* pCooSys, sal_Int32 nDimensionIndex,
+ sal_Int32 nAxisIndex)
+ {
+ if (!pCooSys)
+ return;
+
+ tFullAxisIndex aFullAxisIndex(nDimensionIndex, nAxisIndex);
+ tCoordinateSystemMap::const_iterator aFound(aCoordinateSystems.find(pCooSys));
+
+ //use one scale only once for each coordinate system
+ //main axis are preferred over secondary axis
+ //value scales are preferred
+ if (aFound != aCoordinateSystems.end())
+ {
+ sal_Int32 nFoundAxisIndex = aFound->second.second;
+ if (nFoundAxisIndex < nAxisIndex)
+ return;
+ sal_Int32 nFoundDimension = aFound->second.first;
+ if (nFoundDimension == 1)
+ return;
+ if (nFoundDimension < nDimensionIndex)
+ return;
+ }
+ aCoordinateSystems[pCooSys] = aFullAxisIndex;
+
+ //set maximum scale index
+ auto aIter = aMaxIndexPerDimension.find(nDimensionIndex);
+ if (aIter != aMaxIndexPerDimension.end())
+ {
+ sal_Int32 nCurrentMaxIndex = aIter->second;
+ if (nCurrentMaxIndex < nAxisIndex)
+ aMaxIndexPerDimension[nDimensionIndex] = nAxisIndex;
+ }
+ else
+ aMaxIndexPerDimension[nDimensionIndex] = nAxisIndex;
+ }
+
+ std::vector<VCoordinateSystem*> getCoordinateSystems(sal_Int32 nDimensionIndex,
+ sal_Int32 nAxisIndex)
+ {
+ std::vector<VCoordinateSystem*> aRet;
+
+ for (auto const& coordinateSystem : aCoordinateSystems)
+ {
+ if (coordinateSystem.second.first != nDimensionIndex)
+ continue;
+ if (coordinateSystem.second.second != nAxisIndex)
+ continue;
+ aRet.push_back(coordinateSystem.first);
+ }
+
+ return aRet;
+ }
+
+ sal_Int32 getMaxAxisIndexForDimension(sal_Int32 nDimensionIndex)
+ {
+ sal_Int32 nRet = -1;
+ auto aIter = aMaxIndexPerDimension.find(nDimensionIndex);
+ if (aIter != aMaxIndexPerDimension.end())
+ nRet = aIter->second;
+ return nRet;
+ }
+
+ void prepareAutomaticAxisScaling(ScaleAutomatism& rScaleAutomatism, sal_Int32 nDimIndex,
+ sal_Int32 nAxisIndex)
+ {
+ std::vector<VCoordinateSystem*> aVCooSysList = getCoordinateSystems(nDimIndex, nAxisIndex);
+ for (VCoordinateSystem* pVCoordinateSystem : aVCooSysList)
+ pVCoordinateSystem->prepareAutomaticAxisScaling(rScaleAutomatism, nDimIndex,
+ nAxisIndex);
+ }
+
+ void setExplicitScaleAndIncrement(sal_Int32 nDimIndex, sal_Int32 nAxisIndex,
+ const ExplicitScaleData& rScale,
+ const ExplicitIncrementData& rInc)
+ {
+ std::vector<VCoordinateSystem*> aVCooSysList = getCoordinateSystems(nDimIndex, nAxisIndex);
+ for (VCoordinateSystem* pVCoordinateSystem : aVCooSysList)
+ pVCoordinateSystem->setExplicitScaleAndIncrement(nDimIndex, nAxisIndex, rScale, rInc);
+ }
+
+ ScaleAutomatism aAutoScaling;
+
+private:
+ tCoordinateSystemMap aCoordinateSystems;
+ std::map<sal_Int32, sal_Int32> aMaxIndexPerDimension;
+};
+
+} //end chart2 namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */