feat: Add DockSystem#validate.

teletha · Mar 14, 2022 · ff2b1f8 · ff2b1f8
1 parent c4dacab
commit ff2b1f8
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diff --git a/src/main/java/viewtify/ui/dock/DockSystem.java b/src/main/java/viewtify/ui/dock/DockSystem.java
@@ -116,6 +116,13 @@ static void requestSavingLayout() {
         layout().save.accept(true);
     }
 
+    /**
+     * Validate dock system. Clean up the invalidate area.
+     */
+    public static void validate() {
+        layout().roots.forEach(RootArea::validate);
+    }
+
     /**
      * Register a new view within this dock system.
      * <p/>

diff --git a/src/main/java/viewtify/ui/dock/TabArea.java b/src/main/java/viewtify/ui/dock/TabArea.java
@@ -291,4 +291,15 @@ private boolean compare(String tester, String test) {
     protected boolean hasView(String id) {
         return viewInitial.contains(id);
     }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    protected void validate() {
+        if (getIds().isEmpty()) {
+            parent.remove(this);
+        }
+    }
+
 }
diff --git a/src/main/java/viewtify/ui/dock/ViewArea.java b/src/main/java/viewtify/ui/dock/ViewArea.java
@@ -15,6 +15,7 @@
 
 import javafx.geometry.Orientation;
 import javafx.scene.Parent;
+
 import kiss.Managed;
 import viewtify.ui.UITab;
 import viewtify.ui.UserInterface;
@@ -216,4 +217,14 @@ protected void setViewportRatio(double ratio) {
     protected void setLocation(int kind) {
 
     }
+
+    /**
+     * Validate myself.
+     */
+    protected void validate() {
+        // don't use iterator to avoid ConcurrentModificationException
+        for (int i = children.size() - 1; 0 <= i; i--) {
+            children.get(i).validate();
+        }
+    }
 }