JAL-1793 spike branch updated to latest

[jalview.git] / src / jalview / gui / PCAPanel.java

diff --git a/src/jalview/gui/PCAPanel.java b/src/jalview/gui/PCAPanel.java
index f861a7c..9f52d26 100644 (file)
--- a/src/jalview/gui/PCAPanel.java
+++ b/src/jalview/gui/PCAPanel.java
@@ -79,6 +79,8 @@ public class PCAPanel extends GPCAPanel
 
   int top = 0;
 
+  private boolean working;
+
   /**
    * Creates a new PCAPanel object using default score model and parameters
    * 
@@ -234,6 +236,7 @@ public class PCAPanel extends GPCAPanel
       message = MessageManager.getString("label.pca_calculating");
     }
     progress.setProgressBar(message, progId);
+    working = true;
     try
     {
       calcSettings.setEnabled(false);
@@ -252,6 +255,7 @@ public class PCAPanel extends GPCAPanel
     } catch (OutOfMemoryError er)
     {
       new OOMWarning("calculating PCA", er);
+      working = false;
       return;
     } finally
     {
@@ -266,6 +270,7 @@ public class PCAPanel extends GPCAPanel
               .getString("label.principal_component_analysis"), 475, 450);
       this.setMinimumSize(new Dimension(MIN_WIDTH, MIN_HEIGHT));
     }
+    working = false;
   }
 
   @Override
@@ -788,4 +793,14 @@ public class PCAPanel extends GPCAPanel
     top = t;
     zCombobox.setSelectedIndex(2);
   }
+
+  /**
+   * Answers true if PCA calculation is in progress, else false
+   * 
+   * @return
+   */
+  public boolean isWorking()
+  {
+    return working;
+  }
 }