viewport flag to indicate when structure view needs updating

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

diff --git a/src/jalview/api/AlignViewportI.java b/src/jalview/api/AlignViewportI.java
index 931eba6..5180e20 100644 (file)
--- a/src/jalview/api/AlignViewportI.java
+++ b/src/jalview/api/AlignViewportI.java
@@ -490,4 +490,24 @@ public interface AlignViewportI extends ViewStyleI
   public abstract TreeModel getCurrentTree();
 
   public abstract void setCurrentTree(TreeModel tree);
+
+  /**
+   * @param update
+   *          - set the flag for updating structures on next repaint
+   */
+  void setUpdateStructures(boolean update);
+
+  /**
+   *
+   * @return true if structure views will be updated on next refresh
+   */
+  boolean isUpdateStructures();
+
+  /**
+   * check if structure views need to be updated, and clear the flag afterwards.
+   * 
+   * @return if an update is needed
+   */
+  boolean needToUpdateStructureViews();
+
 }