JAL-2016 push getFeatureColourScheme(source) into SequenceFetcher

[jalview.git] / src / jalview / ws / seqfetcher / ASequenceFetcher.java

diff --git a/src/jalview/ws/seqfetcher/ASequenceFetcher.java b/src/jalview/ws/seqfetcher/ASequenceFetcher.java
index 2ed3263..2392476 100644 (file)
--- a/src/jalview/ws/seqfetcher/ASequenceFetcher.java
+++ b/src/jalview/ws/seqfetcher/ASequenceFetcher.java
@@ -20,6 +20,7 @@
  */
 package jalview.ws.seqfetcher;
 
+import jalview.api.FeatureSettingsModelI;
 import jalview.bin.Cache;
 import jalview.datamodel.AlignmentI;
 import jalview.datamodel.DBRefEntry;
@@ -435,4 +436,28 @@ public class ASequenceFetcher
     return prlist.toArray(new DbSourceProxy[0]);
   }
 
+  /**
+   * Returns a preferred feature colouring scheme for the given source, or null
+   * if none is defined.
+   * 
+   * @param source
+   * @return
+   */
+  public FeatureSettingsModelI getFeatureColourScheme(String source)
+  {
+    /*
+     * return the first non-null colour scheme for any proxy for
+     * this database source
+     */
+    for (DbSourceProxy proxy : getSourceProxy(source))
+    {
+      FeatureSettingsModelI preferredColours = proxy
+              .getFeatureColourScheme();
+      if (preferredColours != null)
+      {
+        return preferredColours;
+      }
+    }
+    return null;
+  }
 }