Refactor: Add room group node text to class

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/AbstractRoom.java

@@ -133,6 +133,7 @@ public abstract class AbstractRoom extends CityObject implements BoundedSpace{
         boundarySurface.setParent(this);
     }
 
+    public abstract String getGroupNodeText();
 
     @Override
     public FeatureType getFeatureType() {

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/BridgeRoom.java

@@ -10,6 +10,7 @@ public class BridgeRoom extends AbstractRoom {
 
     @Serial
     private static final long serialVersionUID = -276088332165299253L;
+    private static final String GROUP_NODE_NAME =  "Rooms";
 
     private AbstractBridgeObject parent;
     private final List<BridgeRoomFurniture> furnitureList =  new ArrayList<>();
@@ -36,6 +37,11 @@ public class BridgeRoom extends AbstractRoom {
         return parent;
     }
 
+    @Override
+    public String getGroupNodeText() {
+        return GROUP_NODE_NAME;
+    }
+
     @Override
     public CityObject getTopLevelCityObject() {
         return parent.getTopLevelCityObject();

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/BuildingRoom.java

@@ -10,6 +10,8 @@ public class BuildingRoom extends AbstractRoom {
 
     @Serial
     private static final long serialVersionUID = -276088332165299253L;
+    private static final String GROUP_NODE_NAME =  "Rooms";
+
     private final List<BuildingRoomFurniture> furniture = new ArrayList<>(2);
     private CityObject parent;
 
@@ -42,6 +44,11 @@ public class BuildingRoom extends AbstractRoom {
         return parent;
     }
 
+    @Override
+    public String getGroupNodeText() {
+        return GROUP_NODE_NAME;
+    }
+
     @Override
     public CityObject getTopLevelCityObject() {
         return getParent().getTopLevelCityObject();

CityDoctorParent/CityDoctorModel/src/main/java/de/hft/stuttgart/citydoctor2/datastructure/TunnelHollow.java

@@ -10,6 +10,7 @@ import java.util.List;
 public class TunnelHollow extends AbstractRoom {
     @Serial
     private static final long serialVersionUID = -276088332165299253L;
+    private static final String GROUP_NODE_NAME =  "Hollows";
     private final List<TunnelFurniture> furnitureList = new ArrayList<>(2);
     private AbstractTunnel parent;
 
@@ -37,6 +38,11 @@ public class TunnelHollow extends AbstractRoom {
         return parent;
     }
 
+    @Override
+    public String getGroupNodeText() {
+        return GROUP_NODE_NAME;
+    }
+
     @Override
     public Color getRenderColor() {
         return parent.getRenderColor();

CityDoctorParent/CityDoctorModel/src/test/java/de/hft/stuttgart/citydoctor2/datastructure/AbstractRoomTest.java

@@ -42,6 +42,11 @@ public class AbstractRoomTest {
                 return null;
             }
 
+            @Override
+            public String getGroupNodeText() {
+                return "";
+            }
+
             @Override
             public CityObject getTopLevelCityObject() {
                 return null;