X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=inline;f=src%2Fjalview%2Fdatamodel%2FContactListProviderI.java;h=d6e9ba93b39df4638cc7b78ce367fefa84e0424c;hb=beb2fee66dde629e3bbb7febb38d0116e1a64df2;hp=f027e01407290f829bc70088f156a90ad9b42226;hpb=912b741af87f3f714f9e01c5e450a2818d568317;p=jalview.git

diff --git a/src/jalview/datamodel/ContactListProviderI.java b/src/jalview/datamodel/ContactListProviderI.java
index f027e01..d6e9ba9 100644
--- a/src/jalview/datamodel/ContactListProviderI.java
+++ b/src/jalview/datamodel/ContactListProviderI.java
@@ -1,5 +1,7 @@
 package jalview.datamodel;
 
+import java.awt.Color;
+
 public interface ContactListProviderI
 {
 
@@ -26,4 +28,23 @@ public interface ContactListProviderI
    */
   double getContactAt(int column);
 
+  /**
+   * Return positions in local reference corresponding to cStart and cEnd in
+   * matrix data. Positions are base 1 column indices for sequence associated
+   * matrices.
+   * 
+   * @param cStart
+   * @param cEnd
+   * @return int[] { start, end (inclusive) for each contiguous segment}
+   */
+  default int[] getMappedPositionsFor(int cStart, int cEnd)
+  {
+    return new int[] { cStart, cEnd };
+  }
+
+  default Color getColourForGroup()
+  {
+    return null;
+  }
+
 }