[Mondernize Code] Typified the last generics in draw2d

org.eclipse.draw2d/src/org/eclipse/draw2d/ButtonGroup.java

@@ -31,8 +31,8 @@ public class ButtonGroup {
 
 	private ButtonModel selectedModel;
 	private ButtonModel defaultModel;
-	private List<ButtonModel> members = new ArrayList<>();
-	private List<PropertyChangeListener> listeners = new ArrayList<>();
+	private final List<ButtonModel> members = new ArrayList<>();
+	private final List<PropertyChangeListener> listeners = new ArrayList<>();
 
 	/**
 	 * Constructs a ButtonGroup with no default selection.
@@ -96,7 +96,7 @@ public ButtonModel getDefault() {
 	 * @return The List of ButtonModels in this ButtonGroup
 	 * @since 2.0
 	 */
-	public List getElements() {
+	public List<ButtonModel> getElements() {
 		return members;
 	}
 

org.eclipse.draw2d/src/org/eclipse/draw2d/LayoutAnimator.java

@@ -105,22 +105,21 @@ public final boolean layout(IFigure container) {
 	 *
 	 * @see Animator#playback(IFigure)
 	 */
+	@SuppressWarnings("unchecked")
 	@Override
 	protected boolean playback(IFigure container) {
-		Map initial = (Map) Animation.getInitialState(this, container);
-		Map ending = (Map) Animation.getFinalState(this, container);
+		Map<IFigure, Rectangle> initial = (Map<IFigure, Rectangle>) Animation.getInitialState(this, container);
+		Map<IFigure, Rectangle> ending = (Map<IFigure, Rectangle>) Animation.getFinalState(this, container);
 		if (initial == null) {
 			return false;
 		}
 
 		float progress = Animation.getProgress();
 		float ssergorp = 1 - progress;
 
-		Rectangle rect1, rect2;
-
 		for (IFigure child : container.getChildren()) {
-			rect1 = (Rectangle) initial.get(child);
-			rect2 = (Rectangle) ending.get(child);
+			Rectangle rect1 = initial.get(child);
+			Rectangle rect2 = ending.get(child);
 
 			// TODO need to change this to hide the figure until the end.
 			if (rect1 == null) {
@@ -153,6 +152,7 @@ public final void postLayout(IFigure container) {
 	 */
 	@Override
 	public final void remove(IFigure child) {
+		// unused
 	}
 
 	/**
@@ -162,6 +162,7 @@ public final void remove(IFigure child) {
 	 */
 	@Override
 	public final void setConstraint(IFigure child, Object constraint) {
+		// unused
 	}
 
 }