X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fstructure%2FStructureCommandsI.java;h=fc8b8283c4ff42f2b78dd0c38919e8334a65e5c3;hb=ac2ed85d81f322445555e01b67f758a77f2ede74;hp=575f256e7e792154850ad5a3161fda4d3692604b;hpb=2115060f8ce4b907d033a77ccd929420c61ec234;p=jalview.git

diff --git a/src/jalview/structure/StructureCommandsI.java b/src/jalview/structure/StructureCommandsI.java
index 575f256..fc8b828 100644
--- a/src/jalview/structure/StructureCommandsI.java
+++ b/src/jalview/structure/StructureCommandsI.java
@@ -21,6 +21,7 @@
 package jalview.structure;
 
 import java.awt.Color;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
@@ -195,6 +196,15 @@ public interface StructureCommandsI
   StructureCommandI openSession(String filepath);
 
   /**
+   * Returns command to restore a previously saved version of an existing
+   * structure viewer session file. Default implementation calls 'openSession'
+   * 
+   * @param filePath
+   * @return
+   */
+  StructureCommandI restoreSession(String filePath);
+
+  /**
    * Returns a command to ask the viewer to close down
    * 
    * @return
@@ -245,4 +255,9 @@ public interface StructureCommandsI
   StructureCommandI getResidueAttributes(String attName);
 
   List<StructureCommandI> centerViewOn(List<AtomSpecModel> residues);
+
+  default List<StructureCommandI> showHetatms(List<String> toShow)
+  {
+    return Collections.EMPTY_LIST;
+  }
 }