Add filtering operations

src/main/java/app/SwingNavigator.java

@@ -3,6 +3,7 @@ package app;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import ui.implementation.views.DoubleMatrix;
+import ui.implementation.views.FilteringView;
 
 /**
  * Concrete implement of the INavigator interface.
@@ -12,12 +13,15 @@ import ui.implementation.views.DoubleMatrix;
 public class SwingNavigator implements INavigator {
 
     private final Provider<DoubleMatrix> doubleMatrixProvider;
+    private final Provider<FilteringView> filteringProvider;
 
     @Inject
     public SwingNavigator(
-            Provider<DoubleMatrix> doubleMatrixProvider
+            Provider<DoubleMatrix> doubleMatrixProvider,
+            Provider<FilteringView> filteringProvider
     ) {
         this.doubleMatrixProvider = doubleMatrixProvider;
+        this.filteringProvider = filteringProvider;
     }
 
     @Override
@@ -25,4 +29,10 @@ public class SwingNavigator implements INavigator {
         DoubleMatrix doubleMatrix = doubleMatrixProvider.get();
         doubleMatrix.setVisible(true);
     }
+
+    @Override
+    public void showFiltering() {
+        FilteringView filteringView = filteringProvider.get();
+        filteringView.setVisible(true);
+    }
 }