465 lines
17 KiB
C++
465 lines
17 KiB
C++
#include "dpLineChart.h"
|
||
|
||
//#define useDefaultAxis_Y //默认轴不可删除、不可左右移动，所以做动态管理尤其是动态排列时要考虑的比较复杂，可以采用不使用的策略，全部以自定义轴替代，默认轴（yAxis）只在初始化和没有实际数据轴（自定义）时显示用来做外观展示
|
||
dpLineChart::dpLineChart(QWidget* parent)
|
||
:dpBaseChart(parent)
|
||
{
|
||
setAttribute(Qt::WA_TranslucentBackground,true);
|
||
|
||
m_pCustomPlot = new QCustomPlot(this);
|
||
initQCP();
|
||
|
||
m_timeRange = 60 * 1000;
|
||
m_axisArrangementMode = AlternateSides;
|
||
m_updateData = false;
|
||
|
||
QBoxLayout* mainLayout = new QBoxLayout(QBoxLayout::LeftToRight);
|
||
mainLayout->setContentsMargins(0, 1, 0, 0);
|
||
mainLayout->addWidget(m_pCustomPlot);
|
||
setLayout(mainLayout);
|
||
}
|
||
|
||
dpLineChart::~dpLineChart()
|
||
{
|
||
}
|
||
|
||
void dpLineChart::initQCP()
|
||
{
|
||
m_chartStyle.bgColor = Qt::transparent;
|
||
m_chartStyle.axisColor = QColor(87, 100, 120);
|
||
m_chartStyle.labelColor = QColor(250, 250, 250);
|
||
m_chartStyle.labelFont = QFont("黑体", 12);
|
||
m_chartStyle.tickColor = QColor(87, 100, 120);
|
||
m_chartStyle.tickLabelColor = QColor(250, 250, 250);
|
||
m_chartStyle.tickLabelFont = QFont("黑体", 12);
|
||
m_chartStyle.gridPen = QPen(QColor(87, 100, 120), 1, Qt::DotLine);
|
||
|
||
//m_pCustomPlot->axisRect()->setupFullAxesBox();
|
||
m_pCustomPlot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom);
|
||
m_pCustomPlot->axisRect()->setRangeDrag(Qt::Horizontal); //只允许x轴方向的拖拽
|
||
double zoomFactor = m_pCustomPlot->axisRect()->rangeZoomFactor(Qt::Horizontal);
|
||
m_pCustomPlot->axisRect()->setRangeZoomFactor(zoomFactor, 1); //只做x轴的缩放
|
||
m_pCustomPlot->xAxis->setSubTicks(false);
|
||
m_pCustomPlot->xAxis2->setTicks(false);
|
||
m_pCustomPlot->xAxis2->setSubTicks(false);
|
||
m_pCustomPlot->yAxis->setSubTicks(false);
|
||
//m_pCustomPlot->yAxis->setVisible(false);
|
||
//m_pCustomPlot->yAxis2->setTicks(false);
|
||
m_pCustomPlot->yAxis2->setSubTicks(false);
|
||
m_pCustomPlot->yAxis2->setVisible(false);
|
||
connect(m_pCustomPlot->xAxis, qOverload<const QCPRange &>(&QCPAxis::rangeChanged), //rangeChanged有两个版本，qOverload可以指定版本
|
||
this, &dpLineChart::onSignal_rangeChanged_xAxis);
|
||
//背景颜色
|
||
m_pCustomPlot->setBackground(QBrush(m_chartStyle.bgColor));
|
||
//坐标轴颜色
|
||
m_pCustomPlot->xAxis->setBasePen(m_chartStyle.axisColor);
|
||
m_pCustomPlot->xAxis2->setBasePen(m_chartStyle.axisColor);
|
||
m_pCustomPlot->yAxis->setBasePen(m_chartStyle.axisColor);
|
||
m_pCustomPlot->yAxis2->setBasePen(m_chartStyle.axisColor);
|
||
//坐标刻度颜色
|
||
m_pCustomPlot->xAxis->setTickPen(QPen(m_chartStyle.tickColor));
|
||
m_pCustomPlot->yAxis->setTickPen(QPen(m_chartStyle.tickColor));
|
||
m_pCustomPlot->yAxis2->setTickPen(QPen(m_chartStyle.tickColor));
|
||
//坐标刻度Label颜色
|
||
m_pCustomPlot->xAxis->setTickLabelColor(m_chartStyle.tickLabelColor);
|
||
m_pCustomPlot->xAxis->setTickLabelFont(m_chartStyle.tickLabelFont);
|
||
m_pCustomPlot->yAxis->setTickLabelColor(m_chartStyle.tickLabelColor);
|
||
m_pCustomPlot->yAxis->setTickLabelFont(m_chartStyle.tickLabelFont);
|
||
m_pCustomPlot->yAxis2->setTickLabelColor(m_chartStyle.tickLabelColor);
|
||
m_pCustomPlot->yAxis2->setTickLabelFont(m_chartStyle.tickLabelFont);
|
||
//网格线颜色
|
||
m_pCustomPlot->xAxis->grid()->setPen(m_chartStyle.gridPen);
|
||
m_pCustomPlot->xAxis->grid()->setZeroLinePen(m_chartStyle.gridPen);
|
||
//m_pCustomPlot->xAxis2->grid()->setPen(m_chartStyle.gridPen);
|
||
m_pCustomPlot->yAxis->grid()->setPen(m_chartStyle.gridPen);
|
||
m_pCustomPlot->yAxis->grid()->setZeroLinePen(m_chartStyle.gridPen);
|
||
m_pCustomPlot->yAxis2->grid()->setPen(m_chartStyle.gridPen);
|
||
//x轴用时间格式
|
||
QSharedPointer<QCPAxisTickerDateTime> timeTicker(new QCPAxisTickerDateTime);
|
||
timeTicker->setDateTimeFormat("hh:mm:ss:zzz\nyyyy/MM/dd");
|
||
//qDebug() << timeTicker->dateTimeFormat();
|
||
m_pCustomPlot->xAxis->setTicker(timeTicker);
|
||
//qDebug() << m_pCustomPlot->xAxis->range();
|
||
}
|
||
|
||
void dpLineChart::arrangeAxes()
|
||
{
|
||
QMap<QCPAxis::AxisType, int> axisTypeCounter;
|
||
for(int i = 0; i < m_axes.size(); i++)
|
||
{
|
||
Axis& axis = m_axes[i];
|
||
|
||
QCPAxis::AxisType position = axis.qAxis->axisType();
|
||
if(m_axisArrangementMode == AlternateSides)
|
||
position = (i % 2 == 0) ? QCPAxis::atLeft : QCPAxis::atRight;
|
||
else if(m_axisArrangementMode == AllRight)
|
||
{
|
||
if(i == 0)
|
||
position = QCPAxis::atLeft;
|
||
else
|
||
position = QCPAxis::atRight;
|
||
}
|
||
|
||
//更新位置，因为QCPAxis没有更新位置的结构，只能采用从plot中移除再添加的方式
|
||
if(axis.qAxis->axisType() != position)
|
||
{
|
||
//因为要进行轴的移除再添加工作，所以其上相关的graph也要同步处理
|
||
QVector<QCPGraph*> affectedGraphs;
|
||
for(int j = 0; j < m_pCustomPlot->graphCount(); j++)
|
||
{
|
||
QCPGraph* graph = m_pCustomPlot->graph(j);
|
||
if(graph->valueAxis() == axis.qAxis)
|
||
affectedGraphs.append(graph);
|
||
}
|
||
|
||
bool bRemoved = m_pCustomPlot->axisRect()->removeAxis(axis.qAxis);
|
||
if(bRemoved) //removeAxis执行成功，被删除的axis会被delete
|
||
{
|
||
QCPAxis* qcpAxis = m_pCustomPlot->axisRect()->addAxis(position);
|
||
axis.setQCPAxis(qcpAxis, false);
|
||
|
||
for(QCPGraph* graph : affectedGraphs)
|
||
graph->setValueAxis(qcpAxis);
|
||
}
|
||
|
||
}
|
||
|
||
//计算偏移量
|
||
int offset = axisTypeCounter.value(position, 0) * 30;
|
||
axis.qAxis->setOffset(offset);
|
||
axisTypeCounter[position] = axisTypeCounter.value(position, 0) + 1;
|
||
}
|
||
}
|
||
|
||
void dpLineChart::setTimeRange(TimeUnit unit)
|
||
{
|
||
switch(unit)
|
||
{
|
||
case TU_Year:
|
||
m_timeRange = m_curDateTime.date().daysInYear() * 24 * 60 * 60 * (qint64)1000;
|
||
break;
|
||
case TU_Month:
|
||
m_timeRange = m_curDateTime.date().daysInMonth() * 24 * 60 * 60 * (qint64)1000;
|
||
break;
|
||
case TU_Day:
|
||
m_timeRange = 24 * 60 * 60 * 1000;
|
||
break;
|
||
case TU_Hour:
|
||
m_timeRange = 60 * 60 *1000;
|
||
break;
|
||
case TU_Minute_30:
|
||
m_timeRange = 30 * 60 *1000;
|
||
break;
|
||
case TU_Minute_20:
|
||
m_timeRange = 20 * 60 *1000;
|
||
break;
|
||
case TU_Minute_15:
|
||
m_timeRange = 15 * 60 *1000;
|
||
break;
|
||
case TU_Minute_10:
|
||
m_timeRange = 10 * 60 *1000;
|
||
break;
|
||
case TU_Minute_5:
|
||
m_timeRange = 5 * 60 *1000;
|
||
break;
|
||
case TU_Minute_3:
|
||
m_timeRange = 3 * 60 *1000;
|
||
break;
|
||
case TU_Minute_1:
|
||
m_timeRange = 60 * 1000;
|
||
break;
|
||
case TU_Second_30:
|
||
m_timeRange = 30 * 1000;
|
||
break;
|
||
case TU_Second_10:
|
||
m_timeRange = 10 * 1000;
|
||
break;
|
||
case TU_Second_1:
|
||
m_timeRange = 1 * 1000;
|
||
break;
|
||
case TU_MSecond_500:
|
||
m_timeRange = 500;
|
||
break;
|
||
case TU_MSecond_100:
|
||
m_timeRange = 100;
|
||
break;
|
||
case TU_MSecond_50:
|
||
m_timeRange = 50;
|
||
break;
|
||
case TU_MSecond_10:
|
||
m_timeRange = 10;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
void dpLineChart::setDateTime(const QDateTime& dateTime)
|
||
{
|
||
qint64 timeValue = dateTime.toMSecsSinceEpoch() / 1000.0;
|
||
//qint64 timeValue = QCPAxisTickerDateTime::dateTimeToKey(dateTime);
|
||
m_pCustomPlot->xAxis->setRange(timeValue, m_timeRange / 1000.0, Qt::AlignRight);
|
||
m_pCustomPlot->replot();
|
||
m_curDateTime = dateTime;
|
||
|
||
if(m_updateData)
|
||
{
|
||
//模拟数据展示
|
||
double min = 0, max = 5.0;
|
||
for(auto it = m_graphs.begin(); it != m_graphs.end(); ++it)
|
||
{
|
||
double randomFloat = min + QRandomGenerator::global()->generateDouble() * (max - min);
|
||
it.value().qGraph->addData(timeValue, randomFloat);
|
||
}
|
||
}
|
||
}
|
||
|
||
void dpLineChart::viewHistoricalData(const QDateTime& dateTime)
|
||
{
|
||
|
||
}
|
||
|
||
void dpLineChart::synchronizeConfigData(const configurationResults& cfg)
|
||
{
|
||
m_updateData = false; //停止更新数据
|
||
|
||
//1.Y坐标轴-数量由数据类型决定
|
||
|
||
//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
|
||
QHash<RealTimeDataType, AxisConfig> axisCfgMap;
|
||
/*for(int i = 0; i< cfg.m_pModel_dataType->rowCount(); i++)
|
||
{
|
||
AxisConfig axisConfig;
|
||
RealTimeDataType dataType = (RealTimeDataType)cfg.m_pModel_dataType->item(i, 0)->data(Qt::UserRole + itemRole_dataType).toInt();
|
||
axisConfig.dataType = dataType;
|
||
axisCfgMap.insert(dataType, axisConfig);
|
||
}*/
|
||
for(auto it = cfg.axisCfgMap.begin(); it != cfg.axisCfgMap.end(); ++it)
|
||
{
|
||
AxisConfig axisConfig;
|
||
axisConfig.dataType = it.key();
|
||
axisConfig.name = it.value().name;
|
||
axisConfig.unit = it.value().unit;
|
||
axisCfgMap.insert(it.key(), axisConfig);
|
||
}
|
||
|
||
//删除轴
|
||
for(int i = 0; i < m_axes.size();)
|
||
{
|
||
#ifdef useDefaultAxis_Y
|
||
Axis& axis = m_axes[i];
|
||
if(!axisCfgMap.contains(axis._cfg.dataType))
|
||
{
|
||
if(axis.qAxis != m_pCustomPlot->yAxis && axis.qAxis != m_pCustomPlot->yAxis2)
|
||
m_pCustomPlot->axisRect()->removeAxis(axis.qAxis);
|
||
else
|
||
axis.qAxis->setVisible(false);
|
||
|
||
m_axes.remove(i);
|
||
}
|
||
else
|
||
i++;
|
||
#else
|
||
Axis& axis = m_axes[i];
|
||
if(!axisCfgMap.contains(axis._cfg.dataType))
|
||
{
|
||
//先删除轴上的Graph(注意先后顺序，QCustomPlot的removeGraph会析构graph，所以先做m_graphs的删除，或者改为QPointer智能指针可规避此问题)
|
||
// for(auto it = m_graphs.begin(); it != m_graphs.end();)
|
||
// {
|
||
// if(it.value().qGraph && it.value().qGraph->valueAxis() == axis.qAxis)
|
||
// it = m_graphs.erase(it); //使用erase方法可以更新迭代器，从而避免迭代器失效
|
||
// else
|
||
// ++it;
|
||
// }
|
||
for(int j = 0; j < m_pCustomPlot->graphCount();)
|
||
{
|
||
QCPGraph* graph = m_pCustomPlot->graph(j);
|
||
if(graph->valueAxis() == axis.qAxis)
|
||
{
|
||
m_pCustomPlot->removeGraph(graph); //removeGraph时graph会被delete
|
||
}
|
||
else
|
||
++j;
|
||
}
|
||
QMutableHashIterator<QString, Graph> it(m_graphs); //使用QMutableHashIterator可以再遍历相关容器的同时安全的修改，例如删除元素
|
||
while (it.hasNext())
|
||
{
|
||
it.next();
|
||
if (it.value().qGraph.isNull()/*it.value().qGraph->valueAxis() == axis.qAxis*/) //利用QPointer特性保持数据同步
|
||
{
|
||
//m_pCustomPlot->removeGraph(it.value().qGraph);
|
||
it.remove(); // 直接删除当前项，无需手动管理迭代器
|
||
}
|
||
}
|
||
//删除轴
|
||
m_pCustomPlot->axisRect()->removeAxis(axis.qAxis);
|
||
m_axes.remove(i);
|
||
}
|
||
else
|
||
++i;
|
||
#endif
|
||
}
|
||
if(m_axes.isEmpty()) //若所有轴(数据类型)全部清楚,将默认左轴xAxis显示出来
|
||
m_pCustomPlot->xAxis->setVisible(true);
|
||
|
||
//处理应用配置(新增或更新)
|
||
QHash<RealTimeDataType, Axis*> axesMap; //创建map类型变量,方便后续使用.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
|
||
for(auto& axis : m_axes)
|
||
{
|
||
axesMap.insert(axis._cfg.dataType, &axis);
|
||
}
|
||
|
||
for(int i = 0; i < cfg.m_pModel_dataType->rowCount(); i++) //能保证和选取顺序一致
|
||
//for(auto it = axisCfgMap.begin(); it != axisCfgMap.end(); ++it)
|
||
{
|
||
RealTimeDataType dataType = (RealTimeDataType)cfg.m_pModel_dataType->item(i, 0)->data(Qt::UserRole + itemRole_dataType).toInt();
|
||
//RealTimeDataType dataType = it.key();
|
||
if(axesMap.contains(dataType)) //更新配置
|
||
{
|
||
|
||
}
|
||
else //新增轴
|
||
{
|
||
#ifdef useDefaultAxis_Y
|
||
AxisConfig cfg = axisCfgMap.value(dataType);
|
||
Axis axis;
|
||
if(m_axes.isEmpty()) //使用默认轴yAxis
|
||
{
|
||
axis.setQCPAxis(m_pCustomPlot->yAxis, true);
|
||
}
|
||
else if(m_axes.count() == 1 && m_axes.at(0).qAxis == m_pCustomPlot->yAxis) //默认轴yAxis被使用，使用yAxis2
|
||
{
|
||
axis.setQCPAxis(m_pCustomPlot->yAxis2, true);
|
||
m_pCustomPlot->yAxis2->setVisible(false);
|
||
}
|
||
else
|
||
{
|
||
QCPAxis* pAxis = new QCPAxis(m_pCustomPlot->axisRect(), QCPAxis::atRight);
|
||
axis.setQCPAxis(pAxis, false);
|
||
axis.setStyle(m_chartStyle);
|
||
}
|
||
axis.applyConfig(cfg);
|
||
m_axes.append(axis);
|
||
#else
|
||
AxisConfig axisCfg = axisCfgMap.value(dataType);
|
||
Axis axis;
|
||
axis.applyConfig(axisCfg);
|
||
axis.setStyle(m_chartStyle);
|
||
if(m_axes.isEmpty())
|
||
{
|
||
//隐藏默认左轴
|
||
m_pCustomPlot->yAxis->setVisible(false);
|
||
//创建自定义轴代替
|
||
//QCPAxis* pAxis = new QCPAxis(m_pCustomPlot->axisRect(), QCPAxis::atLeft);
|
||
QCPAxis* pAxis = m_pCustomPlot->axisRect()->addAxis(QCPAxis::atLeft);
|
||
if(!pAxis)
|
||
continue;
|
||
//qDebug() << "add axis on:" << QCPAxis::atLeft << ", name: " << axisCfg.name;
|
||
axis.setQCPAxis(pAxis, false);
|
||
|
||
}
|
||
else
|
||
{
|
||
//默认放在右边
|
||
//QCPAxis* pAxis = new QCPAxis(m_pCustomPlot->axisRect(), QCPAxis::atRight);
|
||
QCPAxis* pAxis = m_pCustomPlot->axisRect()->addAxis(QCPAxis::atRight);
|
||
if(!pAxis)
|
||
continue;
|
||
axis.setQCPAxis(pAxis, false);
|
||
}
|
||
m_axes.append(axis);
|
||
//axesMap.insert(axis._cfg.dataType, &m_axes.last()); //临时变量axesMap通过做更新,此处不要直接使用&axis，因为axis是局部变量，地址会被自动释放，造成堆错误
|
||
#endif
|
||
}
|
||
}
|
||
//更新axesMap
|
||
axesMap.clear();
|
||
for(auto& axis : m_axes)
|
||
{
|
||
axesMap.insert(axis._cfg.dataType, &axis);
|
||
}
|
||
|
||
//重新排列坐标轴
|
||
m_axisArrangementMode = cfg.arrangement;
|
||
arrangeAxes();
|
||
|
||
//2.曲线-数据源决定
|
||
//qDebug() << "m_graphs before update: " << m_graphs.keys();
|
||
for(int i = 0; i < cfg.m_pModel_dataSource->rowCount(); i++)
|
||
{
|
||
QString stationID = cfg.m_pModel_dataSource->item(i, 0)->data(Qt::UserRole + itemRole_stationID).toString();
|
||
QString compoentID = cfg.m_pModel_dataSource->item(i, 0)->data(Qt::UserRole + itemRole_componentID).toString();
|
||
QString pointID = cfg.m_pModel_dataSource->item(i, 0)->data(Qt::UserRole + itemRole_pointID).toString();
|
||
QString graphID = stationID + "-" + compoentID + "-" + pointID;
|
||
//qDebug() << "update:" << graphID;
|
||
|
||
QVariant colorData = cfg.m_pModel_dataSource->item(i, 0)->data(Qt::DecorationRole);
|
||
|
||
if(!m_graphs.contains(graphID)) //新增数据
|
||
{
|
||
RealTimeDataType dataType = (RealTimeDataType)cfg.m_pModel_dataSource->item(i, 0)->data(Qt::UserRole + itemRole_dataType).toInt();
|
||
QCPAxis* valueAxis = axesMap.value(dataType)->qAxis;
|
||
if(valueAxis == nullptr)
|
||
continue;
|
||
|
||
Graph graph;
|
||
graph.dataID = graphID;
|
||
graph.dataType = dataType;
|
||
graph.synchronizeTagging = "new";
|
||
QCPGraph* newGraph = m_pCustomPlot->addGraph(m_pCustomPlot->xAxis, valueAxis);
|
||
if(newGraph)
|
||
{
|
||
if(colorData.isValid())
|
||
{
|
||
QColor color = colorData.value<QColor>();
|
||
newGraph->setPen(QPen(color));
|
||
}
|
||
graph.qGraph = newGraph;
|
||
m_graphs.insert(graphID, graph);
|
||
}
|
||
}
|
||
else //更新数据
|
||
{
|
||
//m_graphs.value(graphID).synchronizeTagging = "update";
|
||
auto it = m_graphs.find(graphID);
|
||
if(it != m_graphs.end())
|
||
{
|
||
if(colorData.isValid())
|
||
{
|
||
QColor color = colorData.value<QColor>();
|
||
it.value().qGraph->setPen(QPen(color));
|
||
}
|
||
it.value().synchronizeTagging = "update";
|
||
}
|
||
}
|
||
}
|
||
//qDebug() << "m_graphs after update: " << m_graphs.keys();
|
||
//没有标记的就是需要删除的
|
||
QStringList keysToRemove;
|
||
for(auto it = m_graphs.begin(); it != m_graphs.end(); ++it)
|
||
{
|
||
if(it.value().synchronizeTagging =="noTagging") //删除
|
||
keysToRemove.append(it.key());
|
||
else
|
||
it.value().synchronizeTagging = "noTagging";
|
||
}
|
||
foreach (const QString& key, keysToRemove)
|
||
{
|
||
Graph g = m_graphs.take(key);
|
||
if( !m_pCustomPlot->removeGraph(g.qGraph) )
|
||
qWarning() << "Failed to remove gracloxne ph:" << key;
|
||
}
|
||
|
||
//qDebug() << "graph count: " << m_graphs.count() << ", " << m_pCustomPlot->graphCount();
|
||
|
||
m_updateData = true;
|
||
}
|
||
|
||
void dpLineChart::onSignal_rangeChanged_xAxis(const QCPRange& range)
|
||
{
|
||
// qDebug() << "m_timeRange: " << m_timeRange;
|
||
// qDebug() << "range size: " << range.size();
|
||
if(m_timeRange != range.size() * 1000)
|
||
m_timeRange = range.size() * 1000;
|
||
}
|