Fix closing tabdock after closing the last tab

Author: pcastornii

tabshell-layout/src/main/java/com/techsenger/tabshell/layout/dockhost/TabDockFxView.java

@@ -26,10 +26,8 @@
 import com.techsenger.tabshell.material.icon.FontIconView;
 import com.techsenger.tabshell.material.style.StyleClasses;
 import java.util.List;
-import javafx.collections.ListChangeListener;
 import javafx.scene.Cursor;
 import javafx.scene.control.Button;
-import javafx.scene.control.Tab;
 import javafx.scene.control.Tooltip;
 import javafx.scene.input.MouseDragEvent;
 
@@ -43,6 +41,17 @@ public class TabDockFxView<P extends TabDockPresenter<?>> extends TabHostFxView<
 
     public class Composer extends TabHostFxView<P>.Composer implements TabDockView.Composer {
 
+        private final TabDockFxView<P> view = TabDockFxView.this;
+
+        @Override
+        public void removeTab(TabFxView<?> tab) {
+            super.removeTab(tab);
+            if (view.getNode().getTabs().isEmpty()
+                    && getPresenter().getTransitionState() != TabDockTransitionState.TO_MINIMIZED) {
+                dockHost.getComposer().removeTabDock(view);
+            }
+        }
+
         @Override
         public void remove() {
             dockHost.getComposer().removeTabDock(TabDockFxView.this);
@@ -137,18 +146,6 @@ protected void build() {
 
     }
 
-    @Override
-    protected void addListeners() {
-        super.addListeners();
-        var tabPane = getNode();
-        tabPane.getTabs().addListener((ListChangeListener<Tab>) change -> {
-            if (tabPane.getTabs().isEmpty()
-                    && getPresenter().getTransitionState() != TabDockTransitionState.TO_MINIMIZED) {
-                dockHost.getComposer().removeTabDock(this);
-            }
-        });
-    }
-
     @Override
     protected void addHandlers() {
         super.addHandlers();