Make IntensityDataItem::T_PROJECTIONS private

GUI/Models/IntensityDataItem.h

@@ -32,9 +32,9 @@ private:
     static const QString P_YAXIS;
     static const QString P_ZAXIS;
     static const QString T_MASKS;
+    static const QString T_PROJECTIONS;
 
 public:
-    static const QString T_PROJECTIONS;
 
     IntensityDataItem();
 

GUI/Views/IntensityDataWidgets/IntensityDataProjectionsWidget.cpp

@@ -60,10 +60,8 @@ IntensityDataProjectionsWidget::projectionContainer(IntensityDataItem* intensity
 {
     ASSERT(intensityItem);
 
-    auto containerItem = intensityItem->getItem(IntensityDataItem::T_PROJECTIONS);
-    if (!containerItem)
-        containerItem = intensityItem->model()->insertNewItem("ProjectionContainer", intensityItem,
-                                                              -1, IntensityDataItem::T_PROJECTIONS);
-
-    return dynamic_cast<ProjectionContainerItem*>(containerItem);
+    ProjectionContainerItem* containerItem =
+        intensityItem->projectionContainerItem();
+    ASSERT(containerItem);
+    return containerItem;
 }

GUI/Views/IntensityDataWidgets/ProjectionsPlot.cpp

@@ -130,8 +130,8 @@ IntensityDataItem* ProjectionsPlot::intensityItem()
 
 ProjectionContainerItem* ProjectionsPlot::projectionContainerItem()
 {
-    ProjectionContainerItem* result = dynamic_cast<ProjectionContainerItem*>(
-        intensityItem()->getItem(IntensityDataItem::T_PROJECTIONS));
+    ProjectionContainerItem* result =
+        intensityItem()->projectionContainerItem();
     ASSERT(result);
     return result;
 }