X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fapi%2FAlignViewportI.java;h=bd7d53dadae700248dcedacab65cc5192e1a801b;hb=37de9310bec3501cbc6381e0c3dcb282fcaad812;hp=9d5c075b1248e158575f26ffbe2d9601c01e6a56;hpb=e7b6c76c3b028aeeef7770c99c87d895c1b46172;p=jalview.git

diff --git a/src/jalview/api/AlignViewportI.java b/src/jalview/api/AlignViewportI.java
index 9d5c075..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
@@ -235,24 +252,31 @@ public interface AlignViewportI extends ViewStyleI
    * 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
    * calculating trees, PCA, redundancy etc on views which contain hidden
-   * columns.
-   * 
+   * columns. This method doesn't exclude hidden sequences from the output.
+   *
+   * @param selectedRegionOnly
+   *          - determines if only the selected region or entire alignment is
+   *          exported
    * @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. However, If
-   * there are hidden sequences, isExportHiddenSeqs flag decides if they would
-   * be exported or not. Use this for calculating trees, PCA, redundancy etc on
-   * views which contain hidden columns.
+   * if columns are hidden they will not be returned in the result. Use this for
+   * calculating trees, PCA, redundancy etc on views which contain hidden
+   * columns.
    * 
    * @param selectedRegionOnly
+   *          - determines if only the selected region or entire alignment is
+   *          exported
    * @param isExportHiddenSeqs
+   *          - determines if hidden sequences would be exported or not.
+   * 
    * @return String[]
    */
-  String[] getViewAsString(boolean selectedRegionOnly, boolean isExportHiddenSeqs);
+  String[] getViewAsString(boolean selectedRegionOnly,
+          boolean isExportHiddenSeqs);
 
   void setSelectionGroup(SequenceGroup sg);
 
@@ -389,6 +413,13 @@ public interface AlignViewportI extends ViewStyleI
    */
   void setFollowHighlight(boolean b);
 
-
   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();
 }