JAL-2069 add attributeName and noValueColour to FeatureColour

[jalview.git] / src / jalview / api / FeatureColourI.java

diff --git a/src/jalview/api/FeatureColourI.java b/src/jalview/api/FeatureColourI.java
index 0ded079..3eebf6c 100644 (file)
--- a/src/jalview/api/FeatureColourI.java
+++ b/src/jalview/api/FeatureColourI.java
@@ -56,6 +56,14 @@ public interface FeatureColourI
   Color getMaxColour();
 
   /**
+   * Returns the 'no value' colour (used when a feature lacks score, or the
+   * attribute, being used for colouring)
+   * 
+   * @return
+   */
+  Color getNoColour();
+
+  /**
    * Answers true if the feature has a single colour, i.e. if isColourByLabel()
    * and isGraduatedColour() both answer false
    * 
@@ -156,7 +164,10 @@ public interface FeatureColourI
   Color getColor(SequenceFeature feature);
 
   /**
-   * Update the min-max range for a graduated colour scheme
+   * Update the min-max range for a graduated colour scheme. Note that the
+   * colour scheme may be configured to colour by feature score, or a
+   * (numeric-valued) attribute - the caller should ensure that the correct
+   * range is being set.
    * 
    * @param min
    * @param max
@@ -169,4 +180,26 @@ public interface FeatureColourI
    * @return
    */
   String toJalviewFormat(String featureType);
+
+  /**
+   * Answers true if colour is by attribute text or numerical value
+   * 
+   * @return
+   */
+  boolean isColourByAttribute();
+
+  /**
+   * Answers the name of the attribute used for colouring if any, or null
+   * 
+   * @return
+   */
+  String getAttributeName();
+
+  /**
+   * Sets the name of the attribute used for colouring if any, or null to remove
+   * this property
+   * 
+   * @return
+   */
+  void setAttributeName(String name);
 }