From 8a524a5e0d02cc364ca77341eee8d6054ef861ea Mon Sep 17 00:00:00 2001
From: duanshengchao <519970194@qq.com>
Date: Mon, 27 Oct 2025 11:43:13 +0800
Subject: [PATCH] =?UTF-8?q?feat:=E6=B7=BB=E5=8A=A0=E6=8A=A5=E8=AD=A6?=
 =?UTF-8?q?=E4=BA=8B=E4=BB=B6=E6=95=B0=E6=8D=AE=E6=9D=A1=E4=BB=B6=E8=BF=87?=
 =?UTF-8?q?=E6=BB=A4=E6=A8=A1=E5=9D=97?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 include/alarmEventDataView.h  |  3 +++
 source/alarmEventDataView.cpp | 29 +++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/include/alarmEventDataView.h b/include/alarmEventDataView.h
index d3d5bd8..c6d943c 100644
--- a/include/alarmEventDataView.h
+++ b/include/alarmEventDataView.h
@@ -22,8 +22,11 @@ public:
 
     bool matches(const EventData& event);
     void clear();
+    QVector<EventData> apply(const QVector<EventData>& events);
 
 private:
+    bool isEmpty();
+
     QDateTime m_startTime;
     QDateTime m_endTime;
     QString m_station;
diff --git a/source/alarmEventDataView.cpp b/source/alarmEventDataView.cpp
index 25c8965..d4784fc 100644
--- a/source/alarmEventDataView.cpp
+++ b/source/alarmEventDataView.cpp
@@ -55,6 +55,35 @@ void AlarmEventDataFilter::clear()
     m_status = -1;
 }
 
+QVector<EventData> AlarmEventDataFilter::apply(const QVector<EventData>& events)
+{
+    if(isEmpty())
+        return events;
+
+    QVector<EventData> filteredEvents;
+    filteredEvents.reserve(events.size()); //分配好内存，防止后面执行append时造成的多次扩容开销
+
+    for(const EventData& event : events)
+    {
+        if(matches(event))
+            filteredEvents.append(event);
+    }
+
+    return filteredEvents; //RVO + QT的隐式共享(QVector)，不用担心开销
+}
+
+bool AlarmEventDataFilter::isEmpty()
+{
+    return !m_startTime.isValid() &&
+           !m_endTime.isValid() &&
+           m_station.isEmpty() &&
+           m_bay.isEmpty() &&
+           m_type == -1 &&
+           m_severity.isEmpty() &&
+           m_description.isEmpty() &&
+           m_status == -1;
+}
+
 
 ///////------AlarmEventDataModel-----
 AlarmEventDataModel::AlarmEventDataModel(QObject* parent)