X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fjalview%2Fdatamodel%2FContactListProviderI.java;h=51f3126701fb5f599478a067b27c2cb069d8a366;hb=8288438dd58cfc2d1fe18a060afda0d647b85c32;hp=37c4e076b27f79c07049eb8af58ecce97d922c78;hpb=4a560601f94b229cca59f64561bf87f146cc896b;p=jalview.git

diff --git a/src/jalview/datamodel/ContactListProviderI.java b/src/jalview/datamodel/ContactListProviderI.java
index 37c4e07..51f3126 100644
--- a/src/jalview/datamodel/ContactListProviderI.java
+++ b/src/jalview/datamodel/ContactListProviderI.java
@@ -1,9 +1,18 @@
 package jalview.datamodel;
 
+import java.awt.Color;
+
 public interface ContactListProviderI
 {
 
   /**
+   * 
+   * @return position index for this contact List (usually sequence position or
+   *         alignment column)
+   */
+  int getPosition();
+
+  /**
    * dimension of list where getContactAt(column<getContactHeight()) may return
    * a value
    * 
@@ -19,4 +28,19 @@ 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;
+  }
+
 }