X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fstructures%2Fmodels%2FAAStructureBindingModel.java;h=6e926df87a475774acbbf2ff05bea75c8b3766fd;hb=d85a2741994c169e1b81db8f9166f5214ff1f561;hp=88c181cbed2f33925cfb1f47e752d63db34cc30a;hpb=74e963518532e173a8b026bf0de00993ab678ad0;p=jalview.git

diff --git a/src/jalview/structures/models/AAStructureBindingModel.java b/src/jalview/structures/models/AAStructureBindingModel.java
index 88c181c..6e926df 100644
--- a/src/jalview/structures/models/AAStructureBindingModel.java
+++ b/src/jalview/structures/models/AAStructureBindingModel.java
@@ -1566,4 +1566,32 @@ public abstract class AAStructureBindingModel
       executeCommand(cmd, false);
     }
   }
+
+  /**
+   * Returns true if the viewer is an external structure viewer for which the
+   * process is still alive, else false (for Jmol, or an external viewer which
+   * the user has independently closed)
+   * 
+   * @return
+   */
+  public boolean isViewerRunning()
+  {
+    return false;
+  }
+
+  /**
+   * Closes Jalview's structure viewer panel and releases associated resources.
+   * If it is managing an external viewer program, and {@code forceClose} is
+   * true, also shuts down that program.
+   * 
+   * @param forceClose
+   */
+  public void closeViewer(boolean forceClose)
+  {
+    getSsm().removeStructureViewerListener(this, this.getStructureFiles());
+    releaseUIResources();
+
+    // add external viewer shutdown in overrides
+    // todo - or can maybe pull up to here
+  }
 }