JAL-4307 View->Ligands submenu, implementation for Jmol and documentation

[jalview.git] / src / jalview / api / structures / JalviewStructureDisplayI.java

diff --git a/src/jalview/api/structures/JalviewStructureDisplayI.java b/src/jalview/api/structures/JalviewStructureDisplayI.java
index 532e545..77f2b6d 100644 (file)
--- a/src/jalview/api/structures/JalviewStructureDisplayI.java
+++ b/src/jalview/api/structures/JalviewStructureDisplayI.java
@@ -21,6 +21,8 @@
 package jalview.api.structures;
 
 import java.io.File;
+import java.util.Collections;
+import java.util.List;
 
 import jalview.api.AlignmentViewPanel;
 import jalview.datamodel.PDBEntry;
@@ -192,4 +194,12 @@ public interface JalviewStructureDisplayI
 
   File saveSession();
 
+  /**
+   * 
+   * @return heteroatoms in a form suitable for display and passing to command generator to display hetatms
+   */
+  default List<String> getHetatms() {
+    return Collections.EMPTY_LIST;
+  }
+
 }