X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FStructureViewerBase.java;fp=src%2Fjalview%2Fgui%2FStructureViewerBase.java;h=0b4541712456ff46a6317237ff11dee44ec3ec77;hb=2783208dc83a836be2cac47efb9877949909e781;hp=93d675acf785acc05db92a3b8f9578316cdfccc4;hpb=3f308bf567cb401b0f735c8f5e9ff57eea083011;p=jalview.git

diff --git a/src/jalview/gui/StructureViewerBase.java b/src/jalview/gui/StructureViewerBase.java
index 93d675a..0b45417 100644
--- a/src/jalview/gui/StructureViewerBase.java
+++ b/src/jalview/gui/StructureViewerBase.java
@@ -20,6 +20,7 @@
  */
 package jalview.gui;
 
+import jalview.api.AlignmentViewPanel;
 import jalview.bin.Cache;
 import jalview.datamodel.Alignment;
 import jalview.datamodel.AlignmentI;
@@ -402,8 +403,15 @@ public abstract class StructureViewerBase extends GStructureViewer
     return getBinding().hasPdbId(pdbId);
   }
 
-  protected abstract List<StructureViewerBase> getViewersFor(
-          AlignmentPanel alp);
+  /**
+   * Returns a list of any viewer of the instantiated type. The list is
+   * restricted to those linked to the given alignment panel if it is not null.
+   */
+  protected List<StructureViewerBase> getViewersFor(AlignmentPanel alp)
+  {
+    return Desktop.instance.getStructureViewers(alp, this.getClass());
+  }
+
 
   /**
    * Check for any existing views involving this alignment and give user the