From 34ec67ab5cd87657089298346b8e289c778d9744 2017-08-31 10:28:47
From: Alexandre Leroux <aleroux@itlink.fr>
Date: 2017-08-31 10:28:47
Subject: [PATCH] Implements purge() method for DataSeries

---

diff --git a/core/include/Data/DataSeries.h b/core/include/Data/DataSeries.h
index b82e7d9..ea2d962 100644
--- a/core/include/Data/DataSeries.h
+++ b/core/include/Data/DataSeries.h
@@ -163,6 +163,21 @@ public:
         dataSeries->unlock();
     }
 
+    void purge(double min, double max) override
+    {
+        if (min > max) {
+            std::swap(min, max);
+        }
+
+        lockWrite();
+
+        auto it = std::remove_if(
+            begin(), end(), [min, max](const auto &it) { return it.x() < min || it.x() > max; });
+        erase(it, end());
+
+        unlock();
+    }
+
     // ///////// //
     // Iterators //
     // ///////// //
diff --git a/core/include/Data/IDataSeries.h b/core/include/Data/IDataSeries.h
index 8414af8..aea7206 100644
--- a/core/include/Data/IDataSeries.h
+++ b/core/include/Data/IDataSeries.h
@@ -57,6 +57,9 @@ public:
     virtual Unit valuesUnit() const = 0;
 
     virtual void merge(IDataSeries *dataSeries) = 0;
+    /// Removes from data series all entries whose value on the x-axis is not between min and max
+    virtual void purge(double min, double max) = 0;
+
     /// @todo Review the name and signature of this method
     virtual std::shared_ptr<IDataSeries> subDataSeries(const SqpRange &range) = 0;