202 lines
6.9 KiB
C++
202 lines
6.9 KiB
C++
#include "dpLineChart.h"
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dpLineChart::dpLineChart(QWidget* parent)
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:dpBaseChart(parent)
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{
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setAttribute(Qt::WA_TranslucentBackground,true);
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m_pCustomPlot = new QCustomPlot(this);
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initQCP();
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m_timeRange = 60 * 1000;
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QBoxLayout* mainLayout = new QBoxLayout(QBoxLayout::LeftToRight);
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mainLayout->setContentsMargins(0, 1, 0, 0);
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mainLayout->addWidget(m_pCustomPlot);
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setLayout(mainLayout);
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}
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dpLineChart::~dpLineChart()
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{
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}
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void dpLineChart::initQCP()
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{
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m_chartStyle.bgColor = Qt::transparent;
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m_chartStyle.axisColor = QColor(87, 100, 120);
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m_chartStyle.tickColor = QColor(87, 100, 120);
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m_chartStyle.tickLabelColor = QColor(250, 250, 250);
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m_chartStyle.tickLabelFont = QFont("黑体", 12);
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m_chartStyle.gridPen = QPen(QColor(87, 100, 120), 1, Qt::DotLine);
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//m_pCustomPlot->axisRect()->setupFullAxesBox();
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m_pCustomPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
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m_pCustomPlot->axisRect()->setRangeDrag(Qt::Horizontal); //只允许x轴方向的拖拽
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double zoomFactor = m_pCustomPlot->axisRect()->rangeZoomFactor(Qt::Horizontal);
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m_pCustomPlot->axisRect()->setRangeZoomFactor(zoomFactor, 1); //只做x轴的缩放
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m_pCustomPlot->xAxis->setSubTicks(false);
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m_pCustomPlot->xAxis2->setTicks(false);
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m_pCustomPlot->xAxis2->setSubTicks(false);
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m_pCustomPlot->yAxis->setSubTicks(false);
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//m_pCustomPlot->yAxis2->setTicks(false);
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m_pCustomPlot->yAxis2->setSubTicks(false);
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m_pCustomPlot->yAxis2->setVisible(true);
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connect(m_pCustomPlot->xAxis, qOverload<const QCPRange &>(&QCPAxis::rangeChanged), //rangeChanged有两个版本，qOverload可以指定版本
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this, &dpLineChart::onSignal_rangeChanged_xAxis);
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//背景颜色
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m_pCustomPlot->setBackground(QBrush(m_chartStyle.bgColor));
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//坐标轴颜色
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m_pCustomPlot->xAxis->setBasePen(m_chartStyle.axisColor);
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m_pCustomPlot->xAxis2->setBasePen(m_chartStyle.axisColor);
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m_pCustomPlot->yAxis->setBasePen(m_chartStyle.axisColor);
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m_pCustomPlot->yAxis2->setBasePen(m_chartStyle.axisColor);
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//坐标刻度颜色
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m_pCustomPlot->xAxis->setTickPen(QPen(m_chartStyle.tickColor));
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m_pCustomPlot->yAxis->setTickPen(QPen(m_chartStyle.tickColor));
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m_pCustomPlot->yAxis2->setTickPen(QPen(m_chartStyle.tickColor));
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//坐标刻度Label颜色
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m_pCustomPlot->xAxis->setTickLabelColor(m_chartStyle.tickLabelColor);
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m_pCustomPlot->xAxis->setTickLabelFont(m_chartStyle.tickLabelFont);
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m_pCustomPlot->yAxis->setTickLabelColor(m_chartStyle.tickLabelColor);
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m_pCustomPlot->yAxis->setTickLabelFont(m_chartStyle.tickLabelFont);
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m_pCustomPlot->yAxis2->setTickLabelColor(m_chartStyle.tickLabelColor);
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m_pCustomPlot->yAxis2->setTickLabelFont(m_chartStyle.tickLabelFont);
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//网格线颜色
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m_pCustomPlot->xAxis->grid()->setPen(m_chartStyle.gridPen);
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m_pCustomPlot->xAxis->grid()->setZeroLinePen(m_chartStyle.gridPen);
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//m_pCustomPlot->xAxis2->grid()->setPen(m_chartStyle.gridPen);
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m_pCustomPlot->yAxis->grid()->setPen(m_chartStyle.gridPen);
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m_pCustomPlot->yAxis->grid()->setZeroLinePen(m_chartStyle.gridPen);
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m_pCustomPlot->yAxis2->grid()->setPen(m_chartStyle.gridPen);
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//x轴用时间格式
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QSharedPointer<QCPAxisTickerDateTime> timeTicker(new QCPAxisTickerDateTime);
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timeTicker->setDateTimeFormat("hh:mm:ss:zzz\nyyyy/MM/dd");
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//qDebug() << timeTicker->dateTimeFormat();
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m_pCustomPlot->xAxis->setTicker(timeTicker);
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//qDebug() << m_pCustomPlot->xAxis->range();
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}
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void dpLineChart::setTimeRange(TimeUnit unit)
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{
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switch(unit)
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{
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case TU_Year:
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m_timeRange = m_curDateTime.date().daysInYear() * 24 * 60 * 60 * (qint64)1000;
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break;
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case TU_Month:
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m_timeRange = m_curDateTime.date().daysInMonth() * 24 * 60 * 60 * (qint64)1000;
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break;
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case TU_Day:
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m_timeRange = 24 * 60 * 60 * 1000;
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break;
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case TU_Hour:
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m_timeRange = 60 * 60 *1000;
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break;
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case TU_Minute_30:
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m_timeRange = 30 * 60 *1000;
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break;
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case TU_Minute_20:
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m_timeRange = 20 * 60 *1000;
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break;
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case TU_Minute_15:
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m_timeRange = 15 * 60 *1000;
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break;
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case TU_Minute_10:
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m_timeRange = 10 * 60 *1000;
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break;
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case TU_Minute_5:
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m_timeRange = 5 * 60 *1000;
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break;
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case TU_Minute_3:
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m_timeRange = 3 * 60 *1000;
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break;
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case TU_Minute_1:
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m_timeRange = 60 * 1000;
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break;
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case TU_Second_30:
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m_timeRange = 30 * 1000;
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break;
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case TU_Second_10:
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m_timeRange = 10 * 1000;
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break;
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case TU_Second_1:
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m_timeRange = 1 * 1000;
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break;
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case TU_MSecond_500:
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m_timeRange = 500;
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break;
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case TU_MSecond_100:
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m_timeRange = 100;
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break;
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case TU_MSecond_50:
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m_timeRange = 50;
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break;
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case TU_MSecond_10:
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m_timeRange = 10;
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break;
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default:
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break;
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}
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}
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void dpLineChart::setDateTime(const QDateTime& dateTime)
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{
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qint64 timeValue = dateTime.toMSecsSinceEpoch() / 1000.0;
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//qint64 timeValue = QCPAxisTickerDateTime::dateTimeToKey(dateTime);
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m_pCustomPlot->xAxis->setRange(timeValue, m_timeRange / 1000.0, Qt::AlignRight);
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m_pCustomPlot->replot();
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m_curDateTime = dateTime;
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}
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void dpLineChart::viewHistoricalData(const QDateTime& dateTime)
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{
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}
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void dpLineChart::synchronizeConfigData(const configurationResults& cfg)
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{
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//Y坐标轴的数量由数据类型决定
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//将最新配置信息中的坐标轴相关数据存储在QHash中，有助于更好的判断当前坐标轴是否需要发生同步更新
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QHash<RealTimeDataType, AxisConfig> axisCfgMap;
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for(int i = 0; i< cfg.m_pModel_dataType->rowCount(); i++)
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{
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AxisConfig axisConfig;
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//axisConfig.name = cfg.axisInfo.name;
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//axisConfig.unit = cfg.axisInfo.unit;
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RealTimeDataType dataType = (RealTimeDataType)cfg.m_pModel_dataType->item(i, 0)->data(Qt::UserRole + itemRole_dataType).toInt();
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axisConfig.dataType = dataType;
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axisCfgMap.insert(dataType, axisConfig);
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}
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//QHash::insert()的第二个参数接收的是副本(引起拷贝),所以采用指针可以减少拷贝从而提升效率
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QHash<RealTimeDataType, Axis*> axesMap;
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for(auto& axis : m_axes)
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{
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axesMap.insert(axis._cfg.dataType, &axis);
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}
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//删除轴
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for(int i = 0; i < m_axes.size();)
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{
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Axis& axis = m_axes[i];
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if(!axisCfgMap.contains(axis._cfg.dataType))
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{
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m_pCustomPlot->axisRect()->removeAxis(axis.qAxis);
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m_axes.remove(i); //QVector::remove()会调用存储对象的析构函数
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}
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else
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i++;
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}
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}
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void dpLineChart::onSignal_rangeChanged_xAxis(const QCPRange& range)
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{
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// qDebug() << "m_timeRange: " << m_timeRange;
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// qDebug() << "range size: " << range.size();
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if(m_timeRange != range.size() * 1000)
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m_timeRange = range.size() * 1000;
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}
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