X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FContactMatrixI.java;h=925025fc3c70ba4ee4babe2bb1a2d9b2c1f54111;hb=fa48c836ad6e85a9e8146177cc865f4a061dc1a4;hp=1d20987117ba409ebb79782c9453ca51acf03f19;hpb=133c24e81c5edd0134239e1cf291b05a7389afb1;p=jalview.git

diff --git a/src/jalview/datamodel/ContactMatrixI.java b/src/jalview/datamodel/ContactMatrixI.java
index 1d20987..925025f 100644
--- a/src/jalview/datamodel/ContactMatrixI.java
+++ b/src/jalview/datamodel/ContactMatrixI.java
@@ -5,6 +5,9 @@ import java.util.Arrays;
 import java.util.BitSet;
 import java.util.List;
 
+import jalview.util.ColorUtils;
+import jalview.ws.datamodel.MappableContactMatrixI;
+
 public interface ContactMatrixI
 {
 
@@ -122,4 +125,79 @@ public interface ContactMatrixI
   }
 
   void setGroupSet(GroupSet makeGroups);
+
+  default void randomlyReColourGroups() {
+    if (hasGroupSet())
+    {
+      GroupSetI groups = getGroupSet();
+      for (BitSet group:groups.getGroups())
+      {
+        groups.setColorForGroup(group, ColorUtils.getARandomColor());
+      }
+    }
+  }
+
+  default void transferGroupColorsTo(AlignmentAnnotation aa)
+  {
+    if (hasGroupSet())
+    {
+      GroupSetI groups = getGroupSet();
+      // stash colors in linked annotation row.
+      // doesn't work yet. TESTS!
+      int sstart = aa.sequenceRef != null ? aa.sequenceRef.getStart() - 1
+              : 0;
+      Annotation ae;
+      Color gpcol = null;
+      int[] seqpos = null;
+      for (BitSet gp : groups.getGroups())
+      {
+        gpcol = groups.getColourForGroup(gp);
+        for (int p = gp.nextSetBit(0); p >= 0
+                && p < Integer.MAX_VALUE; p = gp.nextSetBit(p + 1))
+        {
+          if (this instanceof MappableContactMatrixI)
+          {
+            MappableContactMatrixI mcm = (MappableContactMatrixI) this;
+            seqpos = mcm.getMappedPositionsFor(aa.sequenceRef, p);
+            if (seqpos == null)
+            {
+              // no mapping for this column.
+              continue;
+            }
+            // TODO: handle ranges...
+            ae = aa.getAnnotationForPosition(seqpos[0]);
+          }
+          else
+          {
+            ae = aa.getAnnotationForPosition(p + sstart);
+          }
+          if (ae != null)
+          {
+            ae.colour = gpcol.brighter().darker();
+          }
+        }
+      }
+    }
+  }
+  
+  /**
+   * look up the colour for a column in the associated contact matrix 
+   * @return Color.white or assigned colour
+   */
+  default Color getGroupColorForPosition(int column)
+  {
+    if (hasGroupSet())
+    {
+      GroupSetI groups = getGroupSet();
+      for (BitSet gp:groups.getGroups())
+      {
+        if (gp.get(column))
+        {
+          return groups.getColourForGroup(gp);
+        }
+      }
+    }
+    return Color.white;
+  }
+  
 }