feat:完成历史事件的分页查看

include/alarmEventDataView.h

@@ -82,7 +82,7 @@ public:
             ,width(w){}
     };
 
-    explicit AlarmEventDataModel(QObject* parent = nullptr);
+    explicit AlarmEventDataModel(AlarmDataMode mode, QObject* parent = nullptr);
     ~AlarmEventDataModel();
 
     //QAbstractTableModel接口实现
@@ -96,13 +96,17 @@ public:
 
     //自定义功能函数
     const QVector<SectionData> headerData() const {return m_headerData;}
-    void setMode(AlarmDataMode mode) {m_dataMode = mode;}
+    //void setMode(AlarmDataMode mode);
-    void setMaxRealTimeEvents(int value) {m_maxRealTimeEvents = value;}
+    void setMaxRealTimeEvents(int value);
     const int getMaxRealTimeEvents() const {return m_maxRealTimeEvents;}
     void setFilter(const AlarmEventDataFilter& filter);
     void refresh();
 
-    //void setPageSize(int);
+    bool setCurrentPage(int);
+    void previousPage();
+    void nextPage();
+    void firstPage();
+    void lastPage();
 
 private slots:
     void onTimeoutSimulateData();
@@ -173,10 +177,10 @@ class AlarmEventDataView : public QWidget
     Q_OBJECT
 
 public:
-    AlarmEventDataView(QWidget* parent = nullptr);
+    AlarmEventDataView(AlarmDataMode mode, QWidget* parent = nullptr);
     ~AlarmEventDataView();
 
-    void setModelMode(AlarmDataMode, int maxRealTimeEvents = 5);
+    //void setModelMode(AlarmDataMode, int maxRealTimeEvents = 5);
 
 public slots:
     void onBtnClicked_Confirm(const QModelIndex& index);

source/alarmEventDataView.cpp

@@ -86,11 +86,21 @@ bool AlarmEventDataFilter::isEmpty()
 
 
 ///////------AlarmEventDataModel-----
-AlarmEventDataModel::AlarmEventDataModel(QObject* parent)
+AlarmEventDataModel::AlarmEventDataModel(AlarmDataMode mode, QObject* parent)
     : QAbstractTableModel(parent)
+    , m_dataMode(mode)
     , m_maxRealTimeEvents(5)
 {
-    m_dataMode = Historical;
+    if(m_dataMode == RealTime) //创建几个“空事件”来初始化表格
+    {
+        for(int i = 0; i < m_maxRealTimeEvents; ++i)
+        {
+            EventData event;
+            event.id = ""; //空事件
+            m_displayEvents.append(event);
+        }
+    }
+
     m_paginationInfo.entriesPerPage = 100;
     m_paginationInfo.currentPage = 1;
     m_paginationInfo.totalEntries = 0;
@@ -125,6 +135,8 @@ QVariant AlarmEventDataModel::data(const QModelIndex& index, int role) const
     int col = index.column();
     int globalRow = (m_paginationInfo.currentPage - 1) * m_paginationInfo.entriesPerPage + row;
     const EventData& event = m_displayEvents.at(row);
+    if(event.id.isEmpty()) //无效事件
+        return QVariant();
     //EventData event = m_displayEvents[row];
 
     switch (role)
@@ -238,6 +250,45 @@ void AlarmEventDataModel::iniHeaderData()
     m_headerData.emplace_back(SectionData("操作", 172, Operation));
 }
 
+/*void AlarmEventDataModel::setMode(AlarmDataMode mode)
+{
+    if(m_dataMode == mode)
+        return;
+
+    m_dataMode = mode;
+    if(mode == Historical)
+    {}
+    else
+    {}
+}*/
+
+void AlarmEventDataModel::setMaxRealTimeEvents(int count)
+{
+    if(m_dataMode == Historical) //实时列表初始化表格
+    {
+        if(m_maxRealTimeEvents == count)
+            return;
+        else if(m_maxRealTimeEvents < count)
+        {
+            int DValue = count - m_maxRealTimeEvents;
+            for(int i = 0; i < DValue; ++i)
+                m_displayEvents.removeLast();
+        }
+        else if(m_maxRealTimeEvents > count)
+        {
+            int DValue = m_maxRealTimeEvents - count;
+            for(int i = 0; i < DValue; ++i)
+            {
+                EventData event;
+                event.id = ""; //空事件
+                m_displayEvents.append(event);
+            }
+        }
+
+        m_maxRealTimeEvents = count;
+    }
+}
+
 void AlarmEventDataModel::setFilter(const AlarmEventDataFilter& filter)
 {
     m_currentFilter = filter;
@@ -358,7 +409,7 @@ void AlarmEventDataModel::onRealTimeEventReceived(const EventData& event)
     if(m_displayEvents.size() >= m_maxRealTimeEvents)
         m_displayEvents.removeLast();
 
-    //按照时间顺序排序（从小到大）
+    //按照时间顺序排序（从后到前）
     int insertPosition = 0;
     for(; insertPosition < m_displayEvents.size(); ++insertPosition)
     {
@@ -374,6 +425,52 @@ void AlarmEventDataModel::onRealTimeEventReceived(const EventData& event)
     endResetModel();
 }
 
+bool AlarmEventDataModel::setCurrentPage(int page)
+{
+    if(m_paginationInfo.currentPage != page && page > 0 && page <= m_paginationInfo.totalPages)
+    {
+        m_paginationInfo.currentPage = page;
+        updateCurPageData();
+        return true;
+    }
+
+    return false;
+}
+
+void AlarmEventDataModel::previousPage()
+{
+    if(m_paginationInfo.currentPage == 1)
+        return;
+
+    int page = m_paginationInfo.currentPage;
+    setCurrentPage(--page);
+}
+
+void AlarmEventDataModel::nextPage()
+{
+    if(m_paginationInfo.currentPage == m_paginationInfo.totalPages)
+        return;
+
+    int page = m_paginationInfo.currentPage;
+    setCurrentPage(++page);
+}
+
+void AlarmEventDataModel::firstPage()
+{
+    if(m_paginationInfo.currentPage == 1)
+        return;
+
+    setCurrentPage(1);
+}
+
+void AlarmEventDataModel::lastPage()
+{
+    if(m_paginationInfo.currentPage == m_paginationInfo.totalPages)
+        return;
+
+    setCurrentPage(m_paginationInfo.totalPages);
+}
+
 
 ///////------AlarmEventDataDelegate-----
 AlarmEventDataDelegate::AlarmEventDataDelegate(QTableView* view, QObject* parent)
@@ -426,7 +523,9 @@ void AlarmEventDataDelegate::paint(QPainter* painter, const QStyleOptionViewItem
         painter->restore();
 
         //绘制操作按钮
-        if(index.column() == m_tableView->model()->columnCount() - 1)
+        QModelIndex numIndex = m_tableView->model()->index(index.row(), 0);
+        QString number = numIndex.data(Qt::DisplayRole).toString();
+        if(!number.isEmpty() && index.column() == m_tableView->model()->columnCount() - 1)
         {
             int nMarginH = 10;
             int nMarginV = 5;
@@ -539,7 +638,7 @@ bool AlarmEventDataDelegate::editorEvent(QEvent* event, QAbstractItemModel* mode
 
 
 ///////------AlarmEventDataView-----
-AlarmEventDataView::AlarmEventDataView(QWidget* parent)
+AlarmEventDataView::AlarmEventDataView(AlarmDataMode mode, QWidget* parent)
     : QWidget(parent)
 {
     m_tableView = new QTableView(this);
@@ -549,7 +648,7 @@ AlarmEventDataView::AlarmEventDataView(QWidget* parent)
     m_tableView->setShowGrid(false);
     //m_tableView->setStyleSheet("QHeaderView{background-color: rgb(40, 40, 40);} QHeaderView::section{background-color:transparent;}");
 
-    m_tableModel = new AlarmEventDataModel(this);
+    m_tableModel = new AlarmEventDataModel(mode, this);
     m_tableView->setModel(m_tableModel);
     //设置表头
     const QVector<AlarmEventDataModel::SectionData> headerData = m_tableModel->headerData();
@@ -576,7 +675,7 @@ AlarmEventDataView::AlarmEventDataView(QWidget* parent)
 AlarmEventDataView::~AlarmEventDataView()
 {}
 
-void AlarmEventDataView::setModelMode(AlarmDataMode mode, int maxRealTimeEvents)
+/*void AlarmEventDataView::setModelMode(AlarmDataMode mode, int maxRealTimeEvents)
 {
     if(m_tableModel)
     {
@@ -584,7 +683,7 @@ void AlarmEventDataView::setModelMode(AlarmDataMode mode, int maxRealTimeEvents)
         if(mode == RealTime)
             m_tableModel->setMaxRealTimeEvents(maxRealTimeEvents);
     }
-}
+}*/
 
 void AlarmEventDataView::onBtnClicked_Confirm(const QModelIndex& index)
 {

source/alarmEventRealTimeDock.cpp

@@ -16,8 +16,7 @@ AlarmEventRealTimeDock::AlarmEventRealTimeDock(QWidget* parent)
     m_isInAnimation = false;
     m_curState = "collapse";
 
-    m_tableView = new AlarmEventDataView(this);
+    m_tableView = new AlarmEventDataView(RealTime, this);
-    m_tableView->setModelMode(RealTime);
     ui->tableLayout->addWidget(m_tableView);
 
     m_animation = new QPropertyAnimation(this, "geometry");