copy method implemented for structural state

model/src/main/java/lcsb/mapviewer/model/map/species/Species.java

@@ -199,7 +199,9 @@ public abstract class Species extends Element {
     substanceUnitRawType = original.substanceUnitRawType;
 
     uniprots = original.getUniprots();
-    structuralState = original.structuralState;
+    if (original.structuralState != null) {
+      setStructuralState(original.structuralState.copy());
+    }
 
     // don't copy reaction nodes
   }

model/src/main/java/lcsb/mapviewer/model/map/species/field/StructuralState.java

@@ -8,11 +8,8 @@ import javax.persistence.*;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.hibernate.annotations.Cascade;
-import org.hibernate.annotations.CascadeType;
 import org.hibernate.annotations.Type;
 
-import lcsb.mapviewer.common.exception.NotImplementedException;
 import lcsb.mapviewer.model.map.species.Species;
 
 /**
@@ -65,6 +62,9 @@ public class StructuralState implements Serializable {
   public StructuralState(StructuralState mr) {
     this.value = mr.getValue();
     this.position = mr.position;
+    this.width = mr.getWidth();
+    this.height = mr.getHeight();
+    this.fontSize = mr.getFontSize();
   }
 
   public Species getSpecies() {
@@ -84,7 +84,7 @@ public class StructuralState implements Serializable {
   }
 
   public StructuralState copy() {
-    throw new NotImplementedException();
+    return new StructuralState(this);
   }
 
   public String getValue() {