File indexing completed on 2024-05-05 07:58:32 

0001 /*
0002  * This file is part of KQuickCharts
0003  * SPDX-FileCopyrightText: 2019 Arjen Hiemstra <ahiemstra@heimr.nl>
0004  *
0005  * SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
0006  */
0007 
0008 #ifndef CHARTAXISSOURCE_H
0009 #define CHARTAXISSOURCE_H
0010 
0011 #include "ChartDataSource.h"
0012 
0013 class XYChart;
0014 
0015 /**
0016  * A data source that provides values from a chart's axis as data.
0017  */
0018 class QUICKCHARTS_EXPORT ChartAxisSource : public ChartDataSource
0019 {
0020     Q_OBJECT
0021     QML_ELEMENT
0022 
0023 public:
0024     enum class Axis { XAxis, YAxis };
0025     Q_ENUM(Axis)
0026 
0027     /**
0028      * Constructor
0029      *
0030      * @param parent TODO
0031      */
0032     ChartAxisSource(QObject *parent = nullptr);
0033 
0034     Q_PROPERTY(XYChart *chart READ chart WRITE setChart NOTIFY chartChanged)
0035     XYChart *chart() const;
0036     Q_SLOT void setChart(XYChart *newChart);
0037     Q_SIGNAL void chartChanged();
0038 
0039     Q_PROPERTY(ChartAxisSource::Axis axis READ axis WRITE setAxis NOTIFY axisChanged)
0040     ChartAxisSource::Axis axis() const;
0041     Q_SLOT void setAxis(ChartAxisSource::Axis newAxis);
0042     Q_SIGNAL void axisChanged();
0043 
0044     Q_PROPERTY(int itemCount READ itemCount WRITE setItemCount NOTIFY itemCountChanged)
0045     virtual int itemCount() const override;
0046     Q_SLOT void setItemCount(int newItemCount);
0047     Q_SIGNAL void itemCountChanged();
0048 
0049     virtual QVariant item(int index) const override;
0050     QVariant minimum() const override;
0051     QVariant maximum() const override;
0052 
0053 private:
0054     XYChart *m_chart = nullptr;
0055     Axis m_axis = Axis::XAxis;
0056     int m_itemCount = 2;
0057 };
0058 
0059 #endif // CHARTAXISSOURCE_H