Merge branch 'features/JAL-4071_visibleFeaturesCounter' into features/JAL-3417_sdppre...

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

diff --git a/src/jalview/api/FeatureRenderer.java b/src/jalview/api/FeatureRenderer.java
index fff3b38..762350e 100644 (file)
--- a/src/jalview/api/FeatureRenderer.java
+++ b/src/jalview/api/FeatureRenderer.java
@@ -20,16 +20,17 @@
  */
 package jalview.api;
 
-import jalview.datamodel.MappedFeatures;
-import jalview.datamodel.SequenceFeature;
-import jalview.datamodel.SequenceI;
-import jalview.datamodel.features.FeatureMatcherSetI;
-
 import java.awt.Color;
 import java.awt.Graphics;
+import java.beans.PropertyChangeListener;
 import java.util.List;
 import java.util.Map;
 
+import jalview.datamodel.MappedFeatures;
+import jalview.datamodel.SequenceFeature;
+import jalview.datamodel.SequenceI;
+import jalview.datamodel.features.FeatureMatcherSetI;
+
 /**
  * Abstract feature renderer interface
  * 
@@ -151,15 +152,16 @@ public interface FeatureRenderer
 
   /**
    * Returns visible features at the specified aligned column on the given
-   * sequence. Non-positional features are not included. If the column has a gap,
-   * then enclosing features are included (but not contact features).
+   * sequence. Non-positional features are not included. If the column has a
+   * gap, then enclosing features are included (but not contact features).
    * 
    * @param sequence
    * @param column
    *          aligned column position (1..)
    * @return
    */
-  List<SequenceFeature> findFeaturesAtColumn(SequenceI sequence, int column);
+  List<SequenceFeature> findFeaturesAtColumn(SequenceI sequence,
+          int column);
 
   /**
    * Returns features at the specified residue positions on the given sequence.
@@ -287,16 +289,17 @@ public interface FeatureRenderer
 
   /**
    * Answers a bean containing a mapping, and a list of visible features in this
-   * alignment at a position (or range) which is mappable from the given sequence
-   * residue position in a mapped alignment. Features are returned in render order
-   * of feature type (on top last), with order within feature type undefined. If
-   * no features or mapping are found, answers null.
+   * alignment at a position (or range) which is mappable from the given
+   * sequence residue position in a mapped alignment. Features are returned in
+   * render order of feature type (on top last), with order within feature type
+   * undefined. If no features or mapping are found, answers null.
    * 
    * @param sequence
    * @param pos
    * @return
    */
-  MappedFeatures findComplementFeaturesAtResidue(SequenceI sequence, int pos);
+  MappedFeatures findComplementFeaturesAtResidue(SequenceI sequence,
+          int pos);
 
   /**
    * Sends a message to let any registered parties know that something about
@@ -304,4 +307,25 @@ public interface FeatureRenderer
    */
   void notifyFeaturesChanged();
 
+  /**
+   * register as a listener for notifyFeaturesChanged events
+   * 
+   * @param ourListener
+   */
+  void addPropertyChangeListener(PropertyChangeListener ourListener);
+
+  /**
+   * remove a listener for notifyFeaturesChanged events
+   * 
+   * @param ourListener
+   */
+  void removePropertyChangeListener(PropertyChangeListener ourListener);
+
+  /**
+   * 
+   * @return associated alignment panel for this feature renderer (may return
+   *         null)
+   */
+  AlignmentViewPanel getAlignPanel();
+
 }