mirror of https://github.com/qt/qtdatavis3d.git
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the QtDataVisualization module.
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**
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** Licensees holding valid Qt Enterprise licenses may use this file in
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** accordance with the Qt Enterprise License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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**
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****************************************************************************/
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#ifndef VARIANTBARDATAPROXY_H
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#define VARIANTBARDATAPROXY_H
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#include "qbardataproxy.h"
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#include "variantdataset.h"
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#include "variantbardatamapping.h"
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#include <QStringList>
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#include <QMap>
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#include <QPointer>
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using namespace QtDataVisualization;
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//! [0]
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class VariantBarDataProxy : public QBarDataProxy
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//! [0]
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{
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Q_OBJECT
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public:
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explicit VariantBarDataProxy();
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explicit VariantBarDataProxy(VariantDataSet *newSet, VariantBarDataMapping *mapping);
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virtual ~VariantBarDataProxy();
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//! [1]
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// Doesn't gain ownership of the dataset, but does connect to it to listen for data changes.
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void setDataSet(VariantDataSet *newSet);
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VariantDataSet *dataSet();
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// Map key (row, column, value) to value index in data item (VariantItem).
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// Doesn't gain ownership of mapping, but does connect to it to listen for mapping changes.
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// Modifying mapping that is set to proxy will trigger dataset re-resolving.
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void setMapping(VariantBarDataMapping *mapping);
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VariantBarDataMapping *mapping();
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//! [1]
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public slots:
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void handleItemsAdded(int index, int count);
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void handleDataCleared();
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void handleMappingChanged();
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private:
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void resolveDataSet();
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QPointer<VariantDataSet> m_dataSet;
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QPointer<VariantBarDataMapping> m_mapping;
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Q_DISABLE_COPY(VariantBarDataProxy)
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};
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#endif
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