JAL-3490 pull up getViewAsVisibleContigs to base class and interface

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

diff --git a/src/jalview/api/AlignViewportI.java b/src/jalview/api/AlignViewportI.java
index 389d9cf..56d25d5 100644 (file)
--- a/src/jalview/api/AlignViewportI.java
+++ b/src/jalview/api/AlignViewportI.java
@@ -38,6 +38,7 @@ import jalview.viewmodel.ViewportRanges;
 import java.awt.Color;
 import java.awt.Font;
 import java.util.Hashtable;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 
@@ -431,9 +432,19 @@ public interface AlignViewportI extends ViewStyleI
    */
   void setFollowHighlight(boolean b);
 
+  /**
+   * configure the feature renderer with predefined feature settings
+   * 
+   * @param featureSettings
+   */
   public void applyFeaturesStyle(FeatureSettingsModelI featureSettings);
 
   /**
+   * Apply the given feature settings on top of existing feature settings.
+   */
+  public void mergeFeaturesStyle(FeatureSettingsModelI featureSettings);
+
+  /**
    * check if current selection group is defined on the view, or is simply a
    * temporary group.
    * 
@@ -518,4 +529,16 @@ public interface AlignViewportI extends ViewStyleI
    *          - a group defined on sequences in the alignment held by the view
    */
   void addSequenceGroup(SequenceGroup sequenceGroup);
+
+  /**
+   * Returns an interator over the [start, end] column positions of the visible
+   * regions of the alignment
+   * 
+   * @param selectedRegionOnly
+   *                             if true, and the view has a selection region,
+   *                             then only the intersection of visible columns
+   *                             with the selection region is returned
+   * @return
+   */
+  Iterator<int[]> getViewAsVisibleContigs(boolean selectedRegionOnly);
 }