X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FAlignViewportI.java;h=0840520ea5084c58b940e06e4228c88a5638ae58;hb=fecb7871ff2ec644c4f3c9ea513df7c0fce30514;hp=8343f0b0691d74c61de042e9056e090aa35974be;hpb=63fe4d2b85bb9c1312a1313e27c899d1b30de4c0;p=jalview.git

diff --git a/src/jalview/api/AlignViewportI.java b/src/jalview/api/AlignViewportI.java
index 8343f0b..0840520 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
@@ -397,4 +414,12 @@ public interface AlignViewportI extends ViewStyleI
 
 
   public void applyFeaturesStyle(FeatureSettingsModelI featureSettings);
+
+  /**
+   * check if current selection group is defined on the view, or is simply a
+   * temporary group.
+   * 
+   * @return true if group is defined on the alignment
+   */
+  boolean isSelectionDefinedGroup();
 }