diff --git a/core/include/Common/MimeTypesDef.h b/core/include/Common/MimeTypesDef.h
new file mode 100644
index 0000000..2212853
--- /dev/null
+++ b/core/include/Common/MimeTypesDef.h
@@ -0,0 +1,18 @@
+#ifndef SCIQLOP_MIMETYPESDEF_H
+#define SCIQLOP_MIMETYPESDEF_H
+
+#include "CoreGlobal.h"
+
+#include <QString>
+
+// ////////////////// //
+// SciQlop Mime Types //
+// ////////////////// //
+
+extern SCIQLOP_CORE_EXPORT const QString MIME_TYPE_GRAPH;
+extern SCIQLOP_CORE_EXPORT const QString MIME_TYPE_ZONE;
+extern SCIQLOP_CORE_EXPORT const QString MIME_TYPE_VARIABLE_LIST;
+extern SCIQLOP_CORE_EXPORT const QString MIME_TYPE_TIME_RANGE;
+
+
+#endif // SCIQLOP_MIMETYPESDEF_H
diff --git a/core/src/Common/MimeTypesDef.cpp b/core/src/Common/MimeTypesDef.cpp
new file mode 100644
index 0000000..24ef739
--- /dev/null
+++ b/core/src/Common/MimeTypesDef.cpp
@@ -0,0 +1,6 @@
+#include "Common/MimeTypesDef.h"
+
+const QString MIME_TYPE_GRAPH = QStringLiteral("scqlop/graph");
+const QString MIME_TYPE_ZONE = QStringLiteral("scqlop/zone");
+const QString MIME_TYPE_VARIABLE_LIST = QStringLiteral("scqlop/var-list");
+const QString MIME_TYPE_TIME_RANGE = QStringLiteral("scqlop/time-range");
diff --git a/gui/src/DragDropHelper.cpp b/gui/src/DragDropHelper.cpp
index 9db14fe..083197e 100644
--- a/gui/src/DragDropHelper.cpp
+++ b/gui/src/DragDropHelper.cpp
@@ -10,9 +10,6 @@
 #include <QTimer>
 #include <QVBoxLayout>
 
-const QString DragDropHelper::MIME_TYPE_GRAPH = "scqlop/graph";
-const QString DragDropHelper::MIME_TYPE_ZONE = "scqlop/zone";
-
 const int SCROLL_SPEED = 5;
 const int SCROLL_ZONE_SIZE = 50;
 
diff --git a/gui/src/Visualization/VisualizationGraphWidget.cpp b/gui/src/Visualization/VisualizationGraphWidget.cpp
index cc42944..5956f76 100644
--- a/gui/src/Visualization/VisualizationGraphWidget.cpp
+++ b/gui/src/Visualization/VisualizationGraphWidget.cpp
@@ -6,6 +6,7 @@
 #include "Visualization/VisualizationZoneWidget.h"
 #include "ui_VisualizationGraphWidget.h"
 
+#include <Common/MimeTypesDef.h>
 #include <Data/ArrayData.h>
 #include <Data/IDataSeries.h>
 #include <DragDropHelper.h>
@@ -232,7 +233,7 @@ QString VisualizationGraphWidget::name() const
 QMimeData *VisualizationGraphWidget::mimeData() const
 {
     auto mimeData = new QMimeData;
-    mimeData->setData(DragDropHelper::MIME_TYPE_GRAPH, QByteArray());
+    mimeData->setData(MIME_TYPE_GRAPH, QByteArray());
 
     return mimeData;
 }
diff --git a/gui/src/Visualization/VisualizationTabWidget.cpp b/gui/src/Visualization/VisualizationTabWidget.cpp
index 15f61b2..e74aabd 100644
--- a/gui/src/Visualization/VisualizationTabWidget.cpp
+++ b/gui/src/Visualization/VisualizationTabWidget.cpp
@@ -7,6 +7,8 @@
 
 #include "Variable/VariableController.h"
 
+#include "Common/MimeTypesDef.h"
+
 #include "DragDropHelper.h"
 #include "SqpApplication.h"
 
@@ -61,8 +63,7 @@ VisualizationTabWidget::VisualizationTabWidget(const QString &name, QWidget *par
 {
     ui->setupUi(this);
 
-    ui->dragDropContainer->setAcceptedMimeTypes(
-        {DragDropHelper::MIME_TYPE_GRAPH, DragDropHelper::MIME_TYPE_ZONE});
+    ui->dragDropContainer->setAcceptedMimeTypes({MIME_TYPE_GRAPH, MIME_TYPE_ZONE});
     connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccured, this,
             &VisualizationTabWidget::dropMimeData);
     sqpApp->dragDropHelper().addDragDropScrollArea(ui->scrollArea);
@@ -163,7 +164,7 @@ QLayout &VisualizationTabWidget::tabLayout() const noexcept
 void VisualizationTabWidget::dropMimeData(int index, const QMimeData *mimeData)
 {
     auto &helper = sqpApp->dragDropHelper();
-    if (mimeData->hasFormat(DragDropHelper::MIME_TYPE_GRAPH)) {
+    if (mimeData->hasFormat(MIME_TYPE_GRAPH)) {
         auto graphWidget = static_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
         auto parentDragDropContainer
             = qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());
@@ -208,7 +209,7 @@ void VisualizationTabWidget::dropMimeData(int index, const QMimeData *mimeData)
             }
         }
     }
-    else if (mimeData->hasFormat(DragDropHelper::MIME_TYPE_ZONE)) {
+    else if (mimeData->hasFormat(MIME_TYPE_ZONE)) {
         // Simple move of the zone, no variable operation associated
         auto zoneWidget = static_cast<VisualizationZoneWidget *>(helper.getCurrentDragWidget());
         auto parentDragDropContainer = zoneWidget->parentWidget();
diff --git a/gui/src/Visualization/VisualizationZoneWidget.cpp b/gui/src/Visualization/VisualizationZoneWidget.cpp
index 45355c5..8b2b2eb 100644
--- a/gui/src/Visualization/VisualizationZoneWidget.cpp
+++ b/gui/src/Visualization/VisualizationZoneWidget.cpp
@@ -5,6 +5,7 @@
 #include "Visualization/VisualizationGraphWidget.h"
 #include "ui_VisualizationZoneWidget.h"
 
+#include "Common/MimeTypesDef.h"
 #include <Data/SqpRange.h>
 #include <Variable/Variable.h>
 #include <Variable/VariableController.h>
@@ -77,7 +78,7 @@ VisualizationZoneWidget::VisualizationZoneWidget(const QString &name, QWidget *p
 
     ui->zoneNameLabel->setText(name);
 
-    ui->dragDropContainer->setAcceptedMimeTypes({DragDropHelper::MIME_TYPE_GRAPH});
+    ui->dragDropContainer->setAcceptedMimeTypes({MIME_TYPE_GRAPH});
     connect(ui->dragDropContainer, &VisualizationDragDropContainer::dropOccured, this,
             &VisualizationZoneWidget::dropMimeData);
 
@@ -315,7 +316,7 @@ QString VisualizationZoneWidget::name() const
 QMimeData *VisualizationZoneWidget::mimeData() const
 {
     auto mimeData = new QMimeData;
-    mimeData->setData(DragDropHelper::MIME_TYPE_ZONE, QByteArray());
+    mimeData->setData(MIME_TYPE_ZONE, QByteArray());
 
     return mimeData;
 }
@@ -355,7 +356,7 @@ void VisualizationZoneWidget::onVariableAboutToBeRemoved(std::shared_ptr<Variabl
 void VisualizationZoneWidget::dropMimeData(int index, const QMimeData *mimeData)
 {
     auto &helper = sqpApp->dragDropHelper();
-    if (mimeData->hasFormat(DragDropHelper::MIME_TYPE_GRAPH)) {
+    if (mimeData->hasFormat(MIME_TYPE_GRAPH)) {
         auto graphWidget = static_cast<VisualizationGraphWidget *>(helper.getCurrentDragWidget());
         auto parentDragDropContainer
             = qobject_cast<VisualizationDragDropContainer *>(graphWidget->parentWidget());