Made InstrumentItem::setShape a protected method

Redmine: #2217

GUI/coregui/Models/InstrumentItems.h

@@ -41,7 +41,6 @@ public:
 
     virtual std::unique_ptr<Instrument> createInstrument() const = 0;
     virtual std::vector<int> shape() const = 0;
-    virtual void setShape(const std::vector<int>& shape) = 0;
     virtual void clearMasks() {}
     virtual void importMasks(const MaskContainerItem*) {}
     virtual void updateToRealData(const RealDataItem* item);
@@ -52,6 +51,8 @@ protected:
 
     void initBeamGroup(const QString& beam_model);
     void initBackgroundGroup();
+
+    virtual void setShape(const std::vector<int>& shape) = 0;
 };
 
 class BA_CORE_API_ SpecularInstrumentItem : public InstrumentItem
@@ -64,11 +65,13 @@ public:
 
     std::unique_ptr<Instrument> createInstrument() const override;
     std::vector<int> shape() const override;
-    void setShape(const std::vector<int>& shape) override;
     void updateToRealData(const RealDataItem* item) override;
     bool alignedWith(const RealDataItem* item) const override;
 
     std::unique_ptr<IUnitConverter> createUnitConverter() const;
+
+protected:
+    void setShape(const std::vector<int>& shape) override;
 };
 
 class BA_CORE_API_ Instrument2DItem : public InstrumentItem
@@ -97,6 +100,8 @@ class BA_CORE_API_ GISASInstrumentItem : public Instrument2DItem
 public:
     GISASInstrumentItem();
     std::vector<int> shape() const override;
+
+protected:
     void setShape(const std::vector<int>& data_shape) override;
 };
 
@@ -107,6 +112,8 @@ public:
 
     OffSpecInstrumentItem();
     std::vector<int> shape() const override;
+
+protected:
     void setShape(const std::vector<int>& data_shape) override;
 };