diff --git a/gui/include/Visualization/IVariableContainer.h b/gui/include/Visualization/IVariableContainer.h
new file mode 100644
index 0000000..fa4791b
--- /dev/null
+++ b/gui/include/Visualization/IVariableContainer.h
@@ -0,0 +1,19 @@
+#ifndef SCIQLOP_IVARIABLECONTAINER_H
+#define SCIQLOP_IVARIABLECONTAINER_H
+
+class Variable;
+
+/**
+ * @brief The IVariableContainer interface represents an UI object that can accommodate a variable
+ */
+class IVariableContainer {
+
+public:
+    virtual ~IVariableContainer() = default;
+
+    /// Checks if the container can handle the variable passed in parameter
+    virtual bool canDrop(const Variable &variable) const = 0;
+};
+
+
+#endif // SCIQLOP_IVARIABLECONTAINER_H
diff --git a/gui/include/Visualization/IVisualizationWidget.h b/gui/include/Visualization/IVisualizationWidget.h
index bad143c..4bbafbb 100644
--- a/gui/include/Visualization/IVisualizationWidget.h
+++ b/gui/include/Visualization/IVisualizationWidget.h
@@ -1,6 +1,7 @@
 #ifndef SCIQLOP_IVISUALIZATIONWIDGET_H
 #define SCIQLOP_IVISUALIZATIONWIDGET_H
 
+#include "Visualization/IVariableContainer.h"
 
 #include <QString>
 #include <memory>
@@ -10,7 +11,7 @@ class IVisualizationWidgetVisitor;
 /**
  * @brief The IVisualizationWidget handles the visualization widget.
  */
-class IVisualizationWidget {
+class IVisualizationWidget : public IVariableContainer {
 
 public:
     virtual ~IVisualizationWidget() = default;
diff --git a/gui/include/Visualization/VisualizationGraphWidget.h b/gui/include/Visualization/VisualizationGraphWidget.h
index 8d978af..07db804 100644
--- a/gui/include/Visualization/VisualizationGraphWidget.h
+++ b/gui/include/Visualization/VisualizationGraphWidget.h
@@ -26,6 +26,7 @@ public:
 
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
+    bool canDrop(const Variable &variable) const override;
     void close() override;
     QString name() const;
 
diff --git a/gui/include/Visualization/VisualizationTabWidget.h b/gui/include/Visualization/VisualizationTabWidget.h
index 36b0545..ac5a39d 100644
--- a/gui/include/Visualization/VisualizationTabWidget.h
+++ b/gui/include/Visualization/VisualizationTabWidget.h
@@ -37,6 +37,7 @@ public:
 
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
+    bool canDrop(const Variable &variable) const override;
     void close() override;
     QString name() const override;
 
diff --git a/gui/include/Visualization/VisualizationWidget.h b/gui/include/Visualization/VisualizationWidget.h
index bb7d13b..77e43f7 100644
--- a/gui/include/Visualization/VisualizationWidget.h
+++ b/gui/include/Visualization/VisualizationWidget.h
@@ -33,6 +33,7 @@ public:
 
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
+    bool canDrop(const Variable &variable) const override;
     void close() override;
     QString name() const;
 
diff --git a/gui/include/Visualization/VisualizationZoneWidget.h b/gui/include/Visualization/VisualizationZoneWidget.h
index 4d016fb..b6bafaf 100644
--- a/gui/include/Visualization/VisualizationZoneWidget.h
+++ b/gui/include/Visualization/VisualizationZoneWidget.h
@@ -34,6 +34,7 @@ public:
 
     // IVisualizationWidget interface
     void accept(IVisualizationWidgetVisitor *visitor) override;
+    bool canDrop(const Variable &variable) const override;
     void close() override;
     QString name() const override;
 
diff --git a/gui/src/Visualization/VisualizationGraphWidget.cpp b/gui/src/Visualization/VisualizationGraphWidget.cpp
index b1eb3a5..7f8ebd9 100644
--- a/gui/src/Visualization/VisualizationGraphWidget.cpp
+++ b/gui/src/Visualization/VisualizationGraphWidget.cpp
@@ -64,6 +64,13 @@ void VisualizationGraphWidget::accept(IVisualizationWidgetVisitor *visitor)
     }
 }
 
+bool VisualizationGraphWidget::canDrop(const Variable &variable) const
+{
+    /// @todo : for the moment, a graph can always accomodate a variable
+    Q_UNUSED(variable);
+    return true;
+}
+
 void VisualizationGraphWidget::close()
 {
     // The main view cannot be directly closed.
diff --git a/gui/src/Visualization/VisualizationTabWidget.cpp b/gui/src/Visualization/VisualizationTabWidget.cpp
index 2f4355b..69825a9 100644
--- a/gui/src/Visualization/VisualizationTabWidget.cpp
+++ b/gui/src/Visualization/VisualizationTabWidget.cpp
@@ -80,6 +80,13 @@ void VisualizationTabWidget::accept(IVisualizationWidgetVisitor *visitor)
     }
 }
 
+bool VisualizationTabWidget::canDrop(const Variable &variable) const
+{
+    // A tab can always accomodate a variable
+    Q_UNUSED(variable);
+    return true;
+}
+
 void VisualizationTabWidget::close()
 {
     // The main view cannot be directly closed.
diff --git a/gui/src/Visualization/VisualizationWidget.cpp b/gui/src/Visualization/VisualizationWidget.cpp
index fbdb222..4e65d64 100644
--- a/gui/src/Visualization/VisualizationWidget.cpp
+++ b/gui/src/Visualization/VisualizationWidget.cpp
@@ -99,6 +99,13 @@ void VisualizationWidget::accept(IVisualizationWidgetVisitor *visitor)
     }
 }
 
+bool VisualizationWidget::canDrop(const Variable &variable) const
+{
+    // The main widget can never accomodate a variable
+    Q_UNUSED(variable);
+    return false;
+}
+
 void VisualizationWidget::close()
 {
     // The main view cannot be directly closed.
diff --git a/gui/src/Visualization/VisualizationZoneWidget.cpp b/gui/src/Visualization/VisualizationZoneWidget.cpp
index 88fb39d..ae4e841 100644
--- a/gui/src/Visualization/VisualizationZoneWidget.cpp
+++ b/gui/src/Visualization/VisualizationZoneWidget.cpp
@@ -75,6 +75,13 @@ void VisualizationZoneWidget::accept(IVisualizationWidgetVisitor *visitor)
     }
 }
 
+bool VisualizationZoneWidget::canDrop(const Variable &variable) const
+{
+    // A tab can always accomodate a variable
+    Q_UNUSED(variable);
+    return true;
+}
+
 void VisualizationZoneWidget::close()
 {
     // The main view cannot be directly closed.