nmWTAI-Platform/Src/nmNum/nmSubWxs/nmWellPressureFlowPage.cpp

#include "nmWellPressureFlowPage.h"

#include "iUnitGroup.h"
#include "iUnitHelper.h"
#include "iUnitItem.h"
#include "nmDataWellBase.h"
#include "nmWxPressFlowChartWidget.h"
#include "ZxBaseUtil.h"
#include "ZxTableHeaderViewUnit.h"

#include <QAbstractItemView>
#include <QHeaderView>
#include <QLabel>
#include <QList>
#include <QPalette>
#include <QSplitter>
#include <QStackedWidget>
#include <QStringList>
#include <QTableWidget>
#include <QTableWidgetItem>
#include <QVBoxLayout>

namespace
{
QString preferredTimeUnit()
{
    return QLatin1String("h");
}

QString preferredFlowUnit()
{
    return QString::fromUtf8("m\xC2\xB3/d");
}

iUnitGroup* resolveUnitGroup(const QStringList& listCandidates,
                             QString& sResolvedUnit)
{
    for (int nIndex = 0; nIndex < listCandidates.size(); ++nIndex)
    {
        const QString& sCandidate = listCandidates[nIndex];
        iUnitGroup* pUnitGroup =
                iUnitHelper::getUnitGroupByUnit(sCandidate);
        if (pUnitGroup == nullptr)
        {
            continue;
        }

        int nUnitIndex = pUnitGroup->indexOf(sCandidate);
        QStringList listUnitNames = pUnitGroup->getAllUnitNames();
        if (nUnitIndex < 0 || nUnitIndex >= listUnitNames.size())
        {
            continue;
        }

        sResolvedUnit = listUnitNames[nUnitIndex];
        return pUnitGroup;
    }

    sResolvedUnit = listCandidates.isEmpty()
            ? QString() : listCandidates.first();
    return nullptr;
}

QLabel* createEmptyLabel(const QString& sText, QWidget* pParent)
{
    QLabel* pLabel = new QLabel(sText, pParent);
    pLabel->setAlignment(Qt::AlignCenter);
    QPalette oPalette = pLabel->palette();
    oPalette.setColor(QPalette::WindowText,
                      pParent->palette().color(QPalette::Mid));
    pLabel->setPalette(oPalette);
    return pLabel;
}

QString displayValueText(double dValue, int nDigit)
{
    if (nDigit <= 0)
    {
        return QString::number(dValue, 'f', 0);
    }
    return ZxBaseUtil::getValidStr(dValue, nDigit);
}
}

nmWellPressureFlowPage::nmWellPressureFlowPage(QWidget* pParent)
    : QWidget(pParent),
      m_pWell(nullptr),
      m_pContentStack(nullptr),
      m_pHorizontalSplitter(nullptr),
      m_pChartSplitter(nullptr),
      m_pPressureChartStack(nullptr),
      m_pFlowChartStack(nullptr),
      m_pFlowTableStack(nullptr),
      m_pPressureChart(nullptr),
      m_pFlowChart(nullptr),
      m_pFlowTable(nullptr),
      m_pFlowHeader(nullptr),
      m_pTimeUnitGroup(nullptr),
      m_pFlowUnitGroup(nullptr),
      m_sTimeBaseUnit(preferredTimeUnit()),
      m_sFlowBaseUnit(preferredFlowUnit()),
      m_sTimeUnit(preferredTimeUnit()),
      m_sFlowUnit(preferredFlowUnit()),
      m_nTimeDigit(6),
      m_nFlowDigit(6),
      m_nSelectedFlowSegment(-1)
{
    createUi();
    initializeUnitSupport();
    resetDataViews();
}

void nmWellPressureFlowPage::setWell(nmDataWellBase* pWell)
{
    if (m_pWell == pWell)
    {
        return;
    }

    m_pWell = pWell;
    resetDataViews();
}

void nmWellPressureFlowPage::refreshData()
{
    if (m_pWell == nullptr)
    {
        resetDataViews();
        return;
    }

    // 第一步：井数据只复制到页面基准副本，后续显示换算不会回写井对象。
    QVector<QPointF> vecRawPressurePoints =
            m_pWell->getPressurePoints();
    QVector<QPointF> vecRawFlowPoints = m_pWell->getFlowPoints();

    // 第二步：单位服务可能晚于页面构造完成，再刷新一次可用单位组。
    initializeUnitSupport();

    m_vecRawPressurePoints = vecRawPressurePoints;
    m_vecRawFlowPoints = vecRawFlowPoints;

    QVector<QPointF> vecTableFlowPoints;
    int nTimeDigit = m_nTimeDigit;
    int nFlowDigit = m_nFlowDigit;
    if (!buildFlowTableData(m_sTimeUnit,
                            m_sFlowUnit,
                            vecTableFlowPoints,
                            nTimeDigit,
                            nFlowDigit))
    {
        // 当前显示单位不可用时回退基准单位，禁止继续展示旧井快照。
        m_sTimeUnit = m_sTimeBaseUnit;
        m_sFlowUnit = m_sFlowBaseUnit;
        if (!buildFlowTableData(m_sTimeUnit,
                                m_sFlowUnit,
                                vecTableFlowPoints,
                                nTimeDigit,
                                nFlowDigit))
        {
            resetDataViews();
            updateUnitHeader();
            return;
        }
    }

    // 第三步：换算与精度读取全部成功后再提交，曲线始终读取原始数据。
    m_vecTableFlowPoints = vecTableFlowPoints;
    m_nTimeDigit = nTimeDigit;
    m_nFlowDigit = nFlowDigit;
    updateUnitHeader();
    updateViews();
}

void nmWellPressureFlowPage::clearData()
{
    m_pWell = nullptr;
    resetDataViews();
}

void nmWellPressureFlowPage::slotUnitChanged(
        int nColumn,
        const iUnitItem* pSourceUnit,
        const iUnitItem* pDestinationUnit)
{
    Q_UNUSED(pSourceUnit);
    if (pDestinationUnit == nullptr ||
            (nColumn != 0 && nColumn != 1))
    {
        updateUnitHeader();
        return;
    }

    QString sTimeUnit = m_sTimeUnit;
    QString sFlowUnit = m_sFlowUnit;
    if (nColumn == 0)
    {
        if (m_pTimeUnitGroup == nullptr)
        {
            updateUnitHeader();
            return;
        }
        sTimeUnit = pDestinationUnit->m_sName;
    }
    else
    {
        if (m_pFlowUnitGroup == nullptr)
        {
            updateUnitHeader();
            return;
        }
        sFlowUnit = pDestinationUnit->m_sName;
    }

    // 每次都从基准副本换算，禁止使用当前显示值继续换算。
    QVector<QPointF> vecTableFlowPoints;
    int nTimeDigit = m_nTimeDigit;
    int nFlowDigit = m_nFlowDigit;
    if (!buildFlowTableData(sTimeUnit,
                            sFlowUnit,
                            vecTableFlowPoints,
                            nTimeDigit,
                            nFlowDigit))
    {
        updateUnitHeader();
        return;
    }

    m_sTimeUnit = sTimeUnit;
    m_sFlowUnit = sFlowUnit;
    m_vecTableFlowPoints = vecTableFlowPoints;
    m_nTimeDigit = nTimeDigit;
    m_nFlowDigit = nFlowDigit;
    updateUnitHeader();
    updateFlowTable();
}

void nmWellPressureFlowPage::slotFlowRowChanged(
        int nCurrentRow,
        int nCurrentColumn,
        int nPreviousRow,
        int nPreviousColumn)
{
    Q_UNUSED(nCurrentColumn);
    Q_UNUSED(nPreviousRow);
    Q_UNUSED(nPreviousColumn);

    applyFlowSegmentSelection(nCurrentRow);
}

void nmWellPressureFlowPage::slotFlowChartPointClicked(double dTimePoint)
{
    // 曲线保持基准单位，点击时间先换算为表格当前单位再定位行。
    double dTableTimePoint = 0.0;
    if (!convertValue(m_pTimeUnitGroup,
                      m_sTimeBaseUnit,
                      m_sTimeUnit,
                      dTimePoint,
                      dTableTimePoint))
    {
        applyFlowSegmentSelection(-1);
        return;
    }

    applyFlowSegmentSelection(
            findFlowSegmentByTableTime(dTableTimePoint));
}

void nmWellPressureFlowPage::createUi()
{
    QVBoxLayout* pMainLayout = new QVBoxLayout(this);
    pMainLayout->setContentsMargins(8, 6, 8, 8);
    pMainLayout->setSpacing(0);

    m_pContentStack = new QStackedWidget(this);
    m_pHorizontalSplitter = new QSplitter(
            Qt::Horizontal, m_pContentStack);
    m_pHorizontalSplitter->setChildrenCollapsible(false);

    // 左侧上下两图共享时间范围，但各自保留独立空状态。
    m_pChartSplitter = new QSplitter(
            Qt::Vertical, m_pHorizontalSplitter);
    m_pChartSplitter->setChildrenCollapsible(false);

    m_pPressureChartStack = new QStackedWidget(m_pChartSplitter);
    m_pPressureChart = new nmWxPressFlowChartWidget(
            m_pPressureChartStack);
    m_pPressureChart->setReadOnly(true);
    m_pPressureChart->setTimeSelectionEnabled(false);
    m_pPressureChart->setAxisLabels(tr("Time"), tr("Pressure"));
    m_pPressureChart->setAxisUnits(
            m_sTimeBaseUnit, tr("MPa"));
    m_pPressureChart->setLineColor(QColor(50, 200, 50));
    m_pPressureChart->setChartType(CHART_TYPE_LINE);
    m_pPressureChartStack->addWidget(m_pPressureChart);
    m_pPressureChartStack->addWidget(createEmptyLabel(
            tr("No pressure data"), m_pPressureChartStack));

    m_pFlowChartStack = new QStackedWidget(m_pChartSplitter);
    m_pFlowChart = new nmWxPressFlowChartWidget(m_pFlowChartStack);
    m_pFlowChart->setReadOnly(true);
    m_pFlowChart->setTimeSelectionEnabled(true);
    m_pFlowChart->setAxisLabels(tr("Time"), tr("Flow"));
    m_pFlowChart->setAxisUnits(m_sTimeBaseUnit, m_sFlowBaseUnit);
    m_pFlowChart->setLineColor(QColor(255, 0, 0));
    m_pFlowChart->setChartType(CHART_TYPE_STEP);
    m_pFlowChartStack->addWidget(m_pFlowChart);
    m_pFlowChartStack->addWidget(createEmptyLabel(
            tr("No flow data"), m_pFlowChartStack));

    m_pChartSplitter->addWidget(m_pPressureChartStack);
    m_pChartSplitter->addWidget(m_pFlowChartStack);
    m_pChartSplitter->setStretchFactor(0, 1);
    m_pChartSplitter->setStretchFactor(1, 1);

    // 右侧仅显示原始流量段对应的时间和流量，不提供任何编辑入口。
    m_pFlowTableStack = new QStackedWidget(m_pHorizontalSplitter);
    m_pFlowTable = new QTableWidget(m_pFlowTableStack);
    m_pFlowTable->setColumnCount(2);
    m_pFlowTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
    m_pFlowTable->setSelectionBehavior(QAbstractItemView::SelectRows);
    m_pFlowTable->setSelectionMode(QAbstractItemView::SingleSelection);
    m_pFlowTable->setSortingEnabled(false);
    m_pFlowTable->setDragEnabled(false);
    m_pFlowTable->setAcceptDrops(false);
    m_pFlowTable->setDropIndicatorShown(false);
    m_pFlowTable->setAlternatingRowColors(true);
    m_pFlowTable->setStyleSheet(
            "QTableWidget {"
            "    background-color: palette(base);"
            "    alternate-background-color: rgb(232, 232, 232);"
            "    gridline-color: palette(midlight);"
            "    border: 1px solid palette(mid);"
            "}"
            "QHeaderView {"
            "    background-color: palette(button);"
            "    color: palette(button-text);"
            "}"
            "QHeaderView::section {"
            "    background-color: palette(button);"
            "    color: palette(button-text);"
            "    border: none;"
            "    border-right: 1px solid palette(mid);"
            "    border-bottom: 1px solid palette(mid);"
            "}"
            "QTableCornerButton::section {"
            "    background-color: palette(base);"
            "    border: none;"
            "    border-right: 1px solid palette(mid);"
            "    border-bottom: 1px solid palette(mid);"
            "}");

    m_pFlowHeader = new ZxTableHeaderViewUnit(m_pFlowTable);
    m_pFlowTable->setHorizontalHeader(m_pFlowHeader);
    m_pFlowTable->horizontalHeader()->setMovable(false);
    m_pFlowTable->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
    m_pFlowTable->verticalHeader()->setMovable(false);
    m_pFlowTable->verticalHeader()->setDefaultAlignment(Qt::AlignCenter);
    m_pFlowTable->verticalHeader()->setMinimumWidth(18);

    m_pFlowTableStack->addWidget(m_pFlowTable);
    m_pFlowTableStack->addWidget(createEmptyLabel(
            tr("No flow data"), m_pFlowTableStack));

    m_pHorizontalSplitter->addWidget(m_pChartSplitter);
    m_pHorizontalSplitter->addWidget(m_pFlowTableStack);
    m_pHorizontalSplitter->setStretchFactor(0, 7);
    m_pHorizontalSplitter->setStretchFactor(1, 3);
    QList<int> listHorizontalSizes;
    listHorizontalSizes << 700 << 300;
    m_pHorizontalSplitter->setSizes(listHorizontalSizes);

    m_pContentStack->addWidget(m_pHorizontalSplitter);
    m_pContentStack->addWidget(createEmptyLabel(
            tr("No pressure or flow data"), m_pContentStack));
    pMainLayout->addWidget(m_pContentStack, 1);

    connect(m_pFlowHeader,
            SIGNAL(sigCbxValueChanged(int,const iUnitItem*,const iUnitItem*)),
            this,
            SLOT(slotUnitChanged(int,const iUnitItem*,const iUnitItem*)));
    connect(m_pFlowTable,
            SIGNAL(currentCellChanged(int,int,int,int)),
            this,
            SLOT(slotFlowRowChanged(int,int,int,int)));
    connect(m_pFlowChart,
            SIGNAL(chartPointClicked(double)),
            this,
            SLOT(slotFlowChartPointClicked(double)));
}

void nmWellPressureFlowPage::initializeUnitSupport()
{
    QStringList listTimeCandidates;
    listTimeCandidates << preferredTimeUnit() << QLatin1String("hr");
    QStringList listFlowCandidates;
    listFlowCandidates << preferredFlowUnit()
                       << QLatin1String("m^3/d")
                       << QLatin1String("m^3/D");

    // 优先使用当前单位包的h、m³/d；旧英文单位包自动兼容hr、m^3/d。
    m_pTimeUnitGroup = resolveUnitGroup(
            listTimeCandidates, m_sTimeBaseUnit);
    m_pFlowUnitGroup = resolveUnitGroup(
            listFlowCandidates, m_sFlowBaseUnit);

    // 单位组缺失或当前单位不再存在时回退基准单位，入口由框架表头禁用。
    if (m_pTimeUnitGroup == nullptr ||
            m_pTimeUnitGroup->indexOf(m_sTimeUnit) < 0)
    {
        m_sTimeUnit = m_sTimeBaseUnit;
    }
    if (m_pFlowUnitGroup == nullptr ||
            m_pFlowUnitGroup->indexOf(m_sFlowUnit) < 0)
    {
        m_sFlowUnit = m_sFlowBaseUnit;
    }
    updateUnitHeader();
}

void nmWellPressureFlowPage::updateUnitHeader()
{
    if (m_pFlowHeader == nullptr)
    {
        return;
    }

    QStringList listTitles;
    listTitles << tr("Time") << tr("Flow");
    QStringList listUnits;
    listUnits << m_sTimeUnit << m_sFlowUnit;
    m_pFlowHeader->setHeaderData(listTitles, listUnits);
}

bool nmWellPressureFlowPage::buildFlowTableData(
        const QString& sTimeUnit,
        const QString& sFlowUnit,
        QVector<QPointF>& vecFlowPoints,
        int& nTimeDigit,
        int& nFlowDigit) const
{
    vecFlowPoints = m_vecRawFlowPoints;

    // 空数据也必须验证目标单位，避免表头切换后留下不可用单位状态。
    double dConvertedZero = 0.0;
    if (!convertValue(m_pTimeUnitGroup,
                      m_sTimeBaseUnit,
                      sTimeUnit,
                      0.0,
                      dConvertedZero,
                      &nTimeDigit) ||
            !convertValue(m_pFlowUnitGroup,
                          m_sFlowBaseUnit,
                          sFlowUnit,
                          0.0,
                          dConvertedZero,
                          &nFlowDigit))
    {
        return false;
    }

    // 表格每次从原始副本换算，禁止使用当前显示值继续换算。
    for (int nIndex = 0; nIndex < vecFlowPoints.size(); ++nIndex)
    {
        double dDuration = 0.0;
        double dFlow = 0.0;
        if (!convertValue(m_pTimeUnitGroup,
                          m_sTimeBaseUnit,
                          sTimeUnit,
                          m_vecRawFlowPoints[nIndex].x(),
                          dDuration) ||
                !convertValue(m_pFlowUnitGroup,
                              m_sFlowBaseUnit,
                              sFlowUnit,
                              m_vecRawFlowPoints[nIndex].y(),
                              dFlow))
        {
            return false;
        }
        vecFlowPoints[nIndex] = QPointF(dDuration, dFlow);
    }
    return true;
}

bool nmWellPressureFlowPage::convertValue(
        iUnitGroup* pUnitGroup,
        const QString& sBaseUnit,
        const QString& sDestinationUnit,
        double dSourceValue,
        double& dDestinationValue,
        int* pDestinationDigit) const
{
    int nDigit = 6;
    if (pUnitGroup != nullptr)
    {
        iUnitItem* pUnitItem =
                pUnitGroup->getUnitItem(sDestinationUnit);
        if (pUnitItem != nullptr && pUnitItem->m_nDigit >= 0)
        {
            nDigit = pUnitItem->m_nDigit;
        }
    }

    if (sDestinationUnit == sBaseUnit)
    {
        dDestinationValue = dSourceValue;
        if (pDestinationDigit != nullptr)
        {
            *pDestinationDigit = nDigit;
        }
        return true;
    }
    if (pUnitGroup == nullptr ||
            pUnitGroup->indexOf(sBaseUnit) < 0 ||
            pUnitGroup->indexOf(sDestinationUnit) < 0)
    {
        return false;
    }

    int nFallbackDigit = nDigit;
    bool bConverted = pUnitGroup->convert(sBaseUnit,
                                          dSourceValue,
                                          sDestinationUnit,
                                          dDestinationValue,
                                          nDigit);
    if (bConverted && pDestinationDigit != nullptr)
    {
        *pDestinationDigit = nDigit >= 0
                ? nDigit : nFallbackDigit;
    }
    return bConverted;
}

void nmWellPressureFlowPage::updateViews()
{
    QVector<QPointF> vecFlowChartPoints = createFlowChartPoints();
    m_pPressureChart->setAxisUnits(
            m_sTimeBaseUnit, tr("MPa"));
    m_pFlowChart->setAxisUnits(m_sTimeBaseUnit, m_sFlowBaseUnit);
    m_pPressureChart->setData(m_vecRawPressurePoints);
    m_pFlowChart->setData(vecFlowChartPoints);
    updateXAxisRange(vecFlowChartPoints);
    updateFlowTable();

    bool bPressureEmpty = m_vecRawPressurePoints.isEmpty();
    bool bFlowEmpty = m_vecRawFlowPoints.isEmpty();
    m_pPressureChartStack->setCurrentIndex(bPressureEmpty ? 1 : 0);
    m_pFlowChartStack->setCurrentIndex(bFlowEmpty ? 1 : 0);
    m_pFlowTableStack->setCurrentIndex(bFlowEmpty ? 1 : 0);
    m_pContentStack->setCurrentIndex(
            bPressureEmpty && bFlowEmpty ? 1 : 0);
    updateSelectedFlowSegment();
}

QVector<QPointF> nmWellPressureFlowPage::createFlowChartPoints() const
{
    QVector<QPointF> vecChartPoints;
    double dTotalTime = 0.0;
    for (int nIndex = 0;
         nIndex < m_vecRawFlowPoints.size();
         ++nIndex)
    {
        const QPointF& oSegment = m_vecRawFlowPoints[nIndex];
        if (nIndex == 0)
        {
            vecChartPoints.append(QPointF(0.0, oSegment.y()));
        }

        dTotalTime += oSegment.x();
        vecChartPoints.append(QPointF(dTotalTime, oSegment.y()));
        if (nIndex < m_vecRawFlowPoints.size() - 1 &&
                qAbs(m_vecRawFlowPoints[nIndex + 1].y() -
                     oSegment.y()) > 1e-6)
        {
            vecChartPoints.append(QPointF(
                    dTotalTime,
                    m_vecRawFlowPoints[nIndex + 1].y()));
        }
    }
    return vecChartPoints;
}

void nmWellPressureFlowPage::updateFlowTable()
{
    bool bSignalsWereBlocked = m_pFlowTable->blockSignals(true);
    m_pFlowTable->clearContents();
    m_pFlowTable->setRowCount(m_vecTableFlowPoints.size());

    // 纵向表头显示Qt默认的1～N序号，内部仍使用零基流量点索引。
    for (int nIndex = 0;
         nIndex < m_vecTableFlowPoints.size();
         ++nIndex)
    {
        QTableWidgetItem* pTimeItem = new QTableWidgetItem(
                displayValueText(m_vecTableFlowPoints[nIndex].x(),
                                 m_nTimeDigit));
        pTimeItem->setTextAlignment(Qt::AlignCenter);
        m_pFlowTable->setItem(nIndex, 0, pTimeItem);

        QTableWidgetItem* pFlowItem = new QTableWidgetItem(
                displayValueText(m_vecTableFlowPoints[nIndex].y(),
                                 m_nFlowDigit));
        pFlowItem->setTextAlignment(Qt::AlignCenter);
        m_pFlowTable->setItem(nIndex, 1, pFlowItem);
    }

    if (m_nSelectedFlowSegment >= 0 &&
            m_nSelectedFlowSegment < m_pFlowTable->rowCount())
    {
        m_pFlowTable->setCurrentCell(m_nSelectedFlowSegment, 0);
        m_pFlowTable->selectRow(m_nSelectedFlowSegment);
    }
    else
    {
        m_nSelectedFlowSegment = -1;
        m_pFlowTable->setCurrentCell(-1, -1);
        m_pFlowTable->clearSelection();
    }
    m_pFlowTable->blockSignals(bSignalsWereBlocked);
}

void nmWellPressureFlowPage::updateXAxisRange(
        const QVector<QPointF>& vecFlowChartPoints)
{
    bool bHasRange = false;
    double dMinimum = 0.0;
    double dMaximum = 0.0;

    for (int nIndex = 0;
         nIndex < m_vecRawPressurePoints.size();
         ++nIndex)
    {
        double dTime = m_vecRawPressurePoints[nIndex].x();
        dMinimum = bHasRange ? qMin(dMinimum, dTime) : dTime;
        dMaximum = bHasRange ? qMax(dMaximum, dTime) : dTime;
        bHasRange = true;
    }
    for (int nIndex = 0; nIndex < vecFlowChartPoints.size(); ++nIndex)
    {
        double dTime = vecFlowChartPoints[nIndex].x();
        dMinimum = bHasRange ? qMin(dMinimum, dTime) : dTime;
        dMaximum = bHasRange ? qMax(dMaximum, dTime) : dTime;
        bHasRange = true;
    }

    if (bHasRange)
    {
        m_pPressureChart->setXAxisRange(dMinimum, dMaximum);
        m_pFlowChart->setXAxisRange(dMinimum, dMaximum);
    }
    else
    {
        m_pPressureChart->clearXAxisRange();
        m_pFlowChart->clearXAxisRange();
    }
}

void nmWellPressureFlowPage::updateSelectedFlowSegment()
{
    if (m_nSelectedFlowSegment < 0 ||
            m_nSelectedFlowSegment >= m_vecRawFlowPoints.size())
    {
        m_pPressureChart->clearHighlightedTimeRange();
        m_pFlowChart->clearHighlightedTimeRange();
        return;
    }

    // 流量点X值是持续时间，段区间必须从第0段开始逐段累加。
    double dStartTime = 0.0;
    for (int nIndex = 0;
         nIndex < m_nSelectedFlowSegment;
         ++nIndex)
    {
        dStartTime += m_vecRawFlowPoints[nIndex].x();
    }
    double dEndTime = dStartTime +
            m_vecRawFlowPoints[m_nSelectedFlowSegment].x();

    m_pPressureChart->setHighlightedTimeRange(
            dStartTime, dEndTime);
    m_pFlowChart->setHighlightedTimeRange(dStartTime, dEndTime);
}

void nmWellPressureFlowPage::applyFlowSegmentSelection(int nSegmentIndex)
{
    if (nSegmentIndex < 0 ||
            nSegmentIndex >= m_vecRawFlowPoints.size() ||
            nSegmentIndex >= m_pFlowTable->rowCount())
    {
        nSegmentIndex = -1;
    }

    m_nSelectedFlowSegment = nSegmentIndex;
    bool bSignalsWereBlocked = m_pFlowTable->blockSignals(true);
    if (m_nSelectedFlowSegment >= 0)
    {
        m_pFlowTable->setCurrentCell(m_nSelectedFlowSegment, 0);
        m_pFlowTable->selectRow(m_nSelectedFlowSegment);
        QTableWidgetItem* pItem = m_pFlowTable->item(
                m_nSelectedFlowSegment, 0);
        if (pItem != nullptr)
        {
            m_pFlowTable->scrollToItem(
                    pItem, QAbstractItemView::EnsureVisible);
        }
    }
    else
    {
        m_pFlowTable->setCurrentCell(-1, -1);
        m_pFlowTable->clearSelection();
    }
    m_pFlowTable->blockSignals(bSignalsWereBlocked);
    updateSelectedFlowSegment();
}

int nmWellPressureFlowPage::findFlowSegmentByTableTime(
        double dTimePoint) const
{
    double dTotalTime = 0.0;
    for (int nIndex = 0;
         nIndex < m_vecTableFlowPoints.size();
         ++nIndex)
    {
        dTotalTime += qMax(0.0, m_vecTableFlowPoints[nIndex].x());
    }

    const double dTolerance = qMax(1.0, qAbs(dTotalTime)) * 1e-9;
    if (dTimePoint < 0.0 ||
            dTimePoint > dTotalTime + dTolerance)
    {
        return -1;
    }

    // 零时长点不占区间；分界点继续查找后一有效段。
    double dStartTime = 0.0;
    int nLastValidSegment = -1;
    for (int nIndex = 0;
         nIndex < m_vecTableFlowPoints.size();
         ++nIndex)
    {
        double dDuration = m_vecTableFlowPoints[nIndex].x();
        if (dDuration <= dTolerance)
        {
            continue;
        }

        nLastValidSegment = nIndex;
        double dEndTime = dStartTime + dDuration;
        if (dTimePoint < dEndTime - dTolerance)
        {
            return nIndex;
        }
        dStartTime = dEndTime;
    }

    // 最终结束点没有后一段，归入最后一个有效流量段。
    if (nLastValidSegment >= 0 &&
            qAbs(dTimePoint - dTotalTime) <= dTolerance)
    {
        return nLastValidSegment;
    }
    return -1;
}

void nmWellPressureFlowPage::resetDataViews()
{
    m_vecRawPressurePoints.clear();
    m_vecRawFlowPoints.clear();
    m_vecTableFlowPoints.clear();
    m_nSelectedFlowSegment = -1;
    updateViews();
}