Selection correction for scatter when data changes

Implements item 3) in QTRD-2645

Task-number: QTRD-264
Change-Id: Ibe758bbfb3b4a74b55589a410b402bbdf07ea64f
Reviewed-by: Tomi Korpipää <tomi.korpipaa@digia.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/src/datavisualization/engine/scatter3dcontroller_p.h b/src/datavisualization/engine/scatter3dcontroller_p.h
index 35f4015d..2e9ade44 100644
--- a/src/datavisualization/engine/scatter3dcontroller_p.h
+++ b/src/datavisualization/engine/scatter3dcontroller_p.h
@@ -62,6 +62,30 @@ private:
     QScatter3DSeries *m_selectedItemSeries; // Points to the series for which the bar is selected
                                             // in single series selection cases.
 
+    struct InsertRemoveRecord {
+        bool m_isInsert;
+        int m_startIndex;
+        int m_count;
+        QAbstract3DSeries *m_series;
+
+        InsertRemoveRecord() :
+            m_isInsert(false),
+            m_startIndex(0),
+            m_count(0),
+            m_series(0)
+        {}
+
+        InsertRemoveRecord(bool isInsert, int startIndex, int count, QAbstract3DSeries *series) :
+            m_isInsert(isInsert),
+            m_startIndex(startIndex),
+            m_count(count),
+            m_series(series)
+        {}
+    };
+
+    QVector<InsertRemoveRecord> m_insertRemoveRecords;
+    bool m_recordInsertsAndRemoves;
+
 public:
     explicit Scatter3DController(QRect rect, Q3DScene *scene = 0);
     ~Scatter3DController();
@@ -93,6 +117,9 @@ public slots:
     void handleItemsRemoved(int startIndex, int count);
     void handleItemsInserted(int startIndex, int count);
 
+protected:
+    virtual void startRecordingRemovesAndInserts();
+
 private:
     void adjustValueAxisRange();