X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FAlignViewportI.java;h=bd7d53dadae700248dcedacab65cc5192e1a801b;hb=refs%2Fheads%2Freleases%2FRelease_2_10_0_Branch;hp=df57cc0b06554ec4f7d2de6b70a17b7060699821;hpb=fc2dbe249bddd693c94bfa88b3468abc41c6d80b;p=jalview.git

diff --git a/src/jalview/api/AlignViewportI.java b/src/jalview/api/AlignViewportI.java
index df57cc0..bd7d53d 100644
--- a/src/jalview/api/AlignViewportI.java
+++ b/src/jalview/api/AlignViewportI.java
@@ -53,6 +53,18 @@ public interface AlignViewportI extends ViewStyleI
    */
   public int calcPanelHeight();
 
+  /**
+   * Answers true if the viewport has at least one column selected
+   * 
+   * @return
+   */
+  boolean hasSelectedColumns();
+
+  /**
+   * Answers true if the viewport has at least one hidden column
+   * 
+   * @return
+   */
   boolean hasHiddenColumns();
 
   boolean isValidCharWidth();
@@ -110,6 +122,11 @@ public interface AlignViewportI extends ViewStyleI
   boolean isClosed();
 
   /**
+   * Dispose of all references or resources held by the viewport
+   */
+  void dispose();
+
+  /**
    * get the associated calculation thread manager for the view
    * 
    * @return
@@ -243,7 +260,7 @@ public interface AlignViewportI extends ViewStyleI
    * @return String[]
    */
   String[] getViewAsString(boolean selectedRegionOnly);
-  
+
   /**
    * This method returns the visible alignment as text, as seen on the GUI, ie
    * if columns are hidden they will not be returned in the result. Use this for
@@ -258,7 +275,8 @@ public interface AlignViewportI extends ViewStyleI
    * 
    * @return String[]
    */
-  String[] getViewAsString(boolean selectedRegionOnly, boolean isExportHiddenSeqs);
+  String[] getViewAsString(boolean selectedRegionOnly,
+          boolean isExportHiddenSeqs);
 
   void setSelectionGroup(SequenceGroup sg);
 
@@ -395,7 +413,6 @@ public interface AlignViewportI extends ViewStyleI
    */
   void setFollowHighlight(boolean b);
 
-
   public void applyFeaturesStyle(FeatureSettingsModelI featureSettings);
 
   /**