implement new util method for disabling all children nodes

Author: pariskol

src/main/java/gr/sqlbrowserfx/nodes/DbConfigBox.java

@@ -153,7 +153,10 @@ public String getUrl() {
 	}
 
 	public void showLoader(boolean show) {
-		Platform.runLater(() -> this.loader.setVisible(show));
+		Platform.runLater(() -> {
+			JavaFXUtils.setChildrenDisabled(this, show);
+			this.loader.setVisible(show);
+		});
 	}
 
 

src/main/java/gr/sqlbrowserfx/utils/JavaFXUtils.java

@@ -9,6 +9,7 @@
 import javafx.application.Platform;
 import javafx.event.Event;
 import javafx.scene.Node;
+import javafx.scene.Parent;
 import javafx.scene.image.Image;
 import javafx.scene.image.ImageView;
 import javafx.scene.input.KeyCode;
@@ -95,5 +96,19 @@ public static void timer(int delay, Runnable action) {
 		timer.setRepeats(false);
 		timer.start();
 	}
+	
+    public static void setChildrenDisabled(Node node, boolean disable) {
+        if (node instanceof Parent parent) {
+            for (Node child : parent.getChildrenUnmodifiable()) {
+                child.setDisable(disable);
+                // Recursively apply to children if the child is also a Parent
+                if (child instanceof Parent) {
+                    setChildrenDisabled(child, disable);
+                }
+            }
+        } else {
+            node.setDisable(disable);
+        }
+    }
 
 }