[UI] Refactor `ICompositeFXController` interface

The `addContainments` method in the `ICompositeFXController` interface
has been removed in favor of the `initialize` method.

Issue-Ref: 3437
Issue-Url: https://af3-developer.fortiss.org/issues/3437



Signed-off-by: Tiziano Munaro <munaro@fortiss.org>

org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/layout/.ratings

-CompositeFXControllerBase.java 82fa7fdeb260e7469df2f7140a16b9b4201716cd YELLOW
-ICompositeFXController.java 8da8c709bc6a8232f7d9dfc0a4e76cea2d6f6879 YELLOW
+CompositeFXControllerBase.java 7434e6a8e5c32207c4ffdcac07e0d3ea0cc1125a YELLOW
+ICompositeFXController.java 16eebea906607ced29506abf00a4c859fa763269 YELLOW

org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/layout/CompositeFXControllerBase.java

@@ -65,8 +65,7 @@ public abstract class CompositeFXControllerBase implements ICompositeFXControlle
 				throw new RuntimeException(
 						"Cannot load the resource located at " + getFXMLLocation(), e);
 			}
-			initialize();
-			addContainments(containments);
+			initialize(containments);
 		}
 		return layout;
 	}
@@ -77,7 +76,7 @@ public abstract class CompositeFXControllerBase implements ICompositeFXControlle
 
 	/** {@inheritDoc} */
 	@Override
-	public abstract void addContainments(ICompositeFXController[] containments);
+	public abstract void initialize(ICompositeFXController[] containments);
 
 	/**
 	 * If the container is an {@link AnchorPane}, all margins are removed so as to fit the child to

org.fortiss.tooling.common.ui/src/org/fortiss/tooling/common/ui/javafx/layout/ICompositeFXController.java

@@ -33,9 +33,6 @@ public interface ICompositeFXController {
 	/** Returns the location of the {@link FXML} resource with the view's layout. */
 	public String getFXMLLocation();
 
-	/** Adds the {@link ICompositeFXController}s to the container. */
-	public void addContainments(ICompositeFXController[] containments);
-
-	/** Performs further actions on the layout. */
-	public void initialize();
+	/** Initializes the layout and adds the {@link ICompositeFXController}s to the container. */
+	public void initialize(ICompositeFXController[] containments);
 }