Some constructors added

src/main/java/fr/soleil/docking/vl/VlDockDockingManager.java

@@ -25,7 +25,9 @@ import com.vldocking.swing.docking.DockingPreferences;
 import fr.soleil.docking.ADockingManager;
 import fr.soleil.docking.exception.DockingException;
 import fr.soleil.docking.perspective.IPerspective;
+import fr.soleil.docking.perspective.IPerspectiveFactory;
 import fr.soleil.docking.perspective.PerspectiveFactory;
+import fr.soleil.docking.view.IViewFactory;
 import fr.soleil.docking.vl.view.VlDockView;
 import fr.soleil.docking.vl.view.VlDockViewFactory;
 
@@ -33,7 +35,15 @@ public class VlDockDockingManager extends ADockingManager {
     protected SoleilDockingDesktop mainDockingDesktop;
 
     public VlDockDockingManager() {
-        super(new VlDockViewFactory(), new PerspectiveFactory());
+        this(new VlDockViewFactory(), new PerspectiveFactory());
+    }
+
+    public VlDockDockingManager(IViewFactory viewFactory) {
+        this(viewFactory, new PerspectiveFactory());
+    }
+
+    public VlDockDockingManager(IViewFactory viewFactory, IPerspectiveFactory perspectiveFactory) {
+        super(viewFactory, perspectiveFactory);
         DockingPreferences.setShadowDesktopStyle();
         UIManager.getDefaults().put("TabbedDockableContainer.tabPlacement", 1);
     }