X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fworkers%2FAlignCalcWorker.java;h=0ad8726e34bdac33c7f5216f4c761ad4e0c17748;hb=37de9310bec3501cbc6381e0c3dcb282fcaad812;hp=48e3604f03d53cce5d60d23989a9bda441ac9a6e;hpb=32cb25af86f1710205b6fdca0df00aed0a0211bb;p=jalview.git

diff --git a/src/jalview/workers/AlignCalcWorker.java b/src/jalview/workers/AlignCalcWorker.java
index 48e3604..0ad8726 100644
--- a/src/jalview/workers/AlignCalcWorker.java
+++ b/src/jalview/workers/AlignCalcWorker.java
@@ -26,6 +26,7 @@ import jalview.api.AlignViewportI;
 import jalview.api.AlignmentViewPanel;
 import jalview.datamodel.AlignmentAnnotation;
 import jalview.datamodel.AlignmentI;
+import jalview.datamodel.Annotation;
 
 import java.util.List;
 
@@ -94,7 +95,45 @@ public abstract class AlignCalcWorker implements AlignCalcWorkerI
       ourAnnots.clear();
     }
   }
+
   // TODO: allow GUI to query workers associated with annotation to add items to
   // annotation label panel popup menu
 
+  @Override
+  public boolean isDeletable()
+  {
+    return false;
+  }
+
+  /**
+   * Calculate min and max values of annotations and set as graphMin, graphMax
+   * on the AlignmentAnnotation. This is needed because otherwise, well, bad
+   * things happen.
+   * 
+   * @param ann
+   * @param anns
+   */
+  protected void setGraphMinMax(AlignmentAnnotation ann, Annotation[] anns)
+  {
+    // TODO feels like this belongs inside AlignmentAnnotation!
+    float max = Float.MIN_VALUE;
+    float min = Float.MAX_VALUE;
+    boolean set = false;
+    for (Annotation a : anns)
+    {
+      if (a != null)
+      {
+        set = true;
+        float val = a.value;
+        max = Math.max(max, val);
+        min = Math.min(min, val);
+      }
+    }
+    if (set)
+    {
+      ann.graphMin = min;
+      ann.graphMax = max;
+    }
+  }
+
 }