78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
#ifndef DPLINECHART_H
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#define DPLINECHART_H
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/*******************************************************************************
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** DataPanel-LineChart
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** author dsc
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**
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** 折线图展示面板，用来展示带有时序数据，可以和TimeLine等组件进行时间属性的交互
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** 采用QCustomPlot实现
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**
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******************************************************************************/
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#include "dpBaseChart.h"
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class dpLineChart : public dpBaseChart
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{
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Q_OBJECT
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public:
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dpLineChart(QWidget *parent = nullptr);
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~dpLineChart();
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void setTimeRange(TimeUnit) override;
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void setDateTime(const QDateTime&) override;
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void viewHistoricalData(const QDateTime&) override;
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void synchronizeConfigData(const configurationResults&) override;
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public slots:
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void onSignal_rangeChanged_xAxis(const QCPRange&);
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void onSignal_dataUpdated(const QString& dataKey, const QVariant& data, const QDateTime& timestamp);
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private:
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//处理关联图形的策略
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enum HandleGraphPolicy
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{
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Remove, //删除
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ReassignToOthrer //重新分配到其它坐标轴
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};
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struct Graph
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{
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QColor color;
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RealTimeDataType dataType;
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//QCPGraph* qGraph;
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QPointer<QCPGraph> qGraph;
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QString dataID;
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QString synchronizeTagging; //同步配置数据时的标记，new、update两种，没有的就是要被删除
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QString name; //用户legend图例展示用
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Graph()
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{
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dataID = "";
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//qGraph = nullptr;
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synchronizeTagging = "noTagging";
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name = "";
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}
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};
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void initQCP();
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void arrangeAxes();
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void reLayoutLegend();
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//void handleAssociatedGraphs();
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QCustomPlot* m_pCustomPlot;
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ChartStyle m_chartStyle;
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qint64 m_timeRange;
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QDateTime m_curDateTime;
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QVector<Axis> m_axes;
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QHash<QString, Graph> m_graphs;
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AxisArrangementMode m_axisArrangementMode;
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bool m_showLegend;
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bool m_updateData;
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};
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#endif
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