Add deinitializeTree method

Author: pcastornii

patternfx-core/src/main/java/com/techsenger/patternfx/core/AbstractParentComponent.java

@@ -82,6 +82,11 @@ public String toTreeString(BiConsumer<ParentViewModel<?>, StringBuilder> compone
         public ObservableList<ChildViewModel<?>> getChildren() {
             return children;
         }
+
+        @Override
+        public void deinitializeTree() {
+            component.deinitializeTree();
+        }
     }
 
     private final ObservableList<ChildComponent<?>> modifiableChildren = FXCollections.observableArrayList();
@@ -143,6 +148,14 @@ public String toTreeString(BiConsumer<ParentComponent<?>, StringBuilder> compone
         return toTreeString(depthFirstIterator(), componentAppender);
     }
 
+    @Override
+    public void deinitializeTree() {
+        var iterator = breadthFirstIterator();
+        while (iterator.hasNext()) {
+            iterator.next().deinitialize();
+        }
+    }
+
     protected ObservableList<ChildComponent<?>> getModifiableChildren() {
         return modifiableChildren;
     }

patternfx-core/src/main/java/com/techsenger/patternfx/core/ParentComponent.java

@@ -66,4 +66,12 @@ public interface ParentComponent<T extends ParentView<?, ?>> extends Component<T
      * @return a tree-formatted string representation of this component
      */
     String toTreeString(BiConsumer<ParentComponent<?>, StringBuilder> componentAppender);
+
+    /**
+     * Deinitializes this component and all its descendants as a sub-tree with this component as the root.
+     *
+     * The deinitialization is performed using a breadth-first traversal: the parent component is deinitialized first,
+     * followed by its children level by level.
+     */
+    void deinitializeTree();
 }

patternfx-core/src/main/java/com/techsenger/patternfx/core/ParentMediator.java

@@ -66,4 +66,12 @@ public interface ParentMediator extends ComponentMediator {
      * @return a tree-formatted string representation of this component
      */
     String toTreeString(BiConsumer<ParentViewModel<?>, StringBuilder> componentAppender);
+
+    /**
+     * Deinitializes this component and all its descendants as a sub-tree with this component as the root.
+     *
+     * The deinitialization is performed using a breadth-first traversal: the parent component is deinitialized first,
+     * followed by its children level by level.
+     */
+    void deinitializeTree();
 }