From 5487f5075a649e1e638d10159825c5ca292fa822 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Mon, 20 Nov 2006 18:09:25 +0000
Subject: [PATCH] Cancel added

---
 src/jalview/io/DasSequenceFeatureFetcher.java |   23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/jalview/io/DasSequenceFeatureFetcher.java b/src/jalview/io/DasSequenceFeatureFetcher.java
index 3186002..664f6a7 100755
--- a/src/jalview/io/DasSequenceFeatureFetcher.java
+++ b/src/jalview/io/DasSequenceFeatureFetcher.java
@@ -52,8 +52,10 @@ public class DasSequenceFeatureFetcher
 {
   SequenceI[] sequences;
   AlignFrame af;
+  FeatureSettings fsettings;
   StringBuffer sbuffer = new StringBuffer();
   Vector selectedSources;
+  boolean cancelled = false;
 
   long startTime;
 
@@ -65,12 +67,12 @@ public class DasSequenceFeatureFetcher
    * @param ap DOCUMENT ME!
    */
   public DasSequenceFeatureFetcher(SequenceI[] sequences,
-                                   final AlignFrame af,
+                                   FeatureSettings fsettings,
                                    Vector selectedSources)
   {
     this.selectedSources = selectedSources;
     this.sequences = sequences;
-    this.af = af;
+    this.af = fsettings.af;
 
     int uniprotCount = 0;
     for (int i = 0; i < selectedSources.size(); i++)
@@ -145,6 +147,7 @@ public class DasSequenceFeatureFetcher
     */
    void startFetching()
    {
+     cancelled = false;
      startTime = System.currentTimeMillis();
      af.setProgressBar("Fetching DAS Sequence Features", startTime);
 
@@ -180,7 +183,9 @@ public class DasSequenceFeatureFetcher
 
        sourcesRemaining = selectedSources.size();
        //Now sending requests one at a time to each server
-       for (int sourceIndex = 0; sourceIndex < selectedSources.size();
+       for (int sourceIndex = 0;
+            sourceIndex < selectedSources.size()
+            && !cancelled;
             sourceIndex++)
        {
          DasSource dasSource = (DasSource) selectedSources.elementAt(
@@ -190,12 +195,20 @@ public class DasSequenceFeatureFetcher
        }
    }
 
+   public void cancel()
+   {
+     af.setProgressBar("DAS Feature Fetching Cancelled", startTime);
+     cancelled = true;
+   }
+
    int sourcesRemaining=0;
    void responseComplete(DasSource dasSource, SequenceI seq)
    {
      if (seq != null)
      {
-       for (int seqIndex = 0; seqIndex < sequences.length-1; seqIndex++)
+       for (int seqIndex = 0;
+            seqIndex < sequences.length-1
+            && !cancelled; seqIndex++)
        {
          if (sequences[seqIndex] == seq)
          {
@@ -213,6 +226,8 @@ public class DasSequenceFeatureFetcher
 
        if(af.featureSettings!=null)
          af.featureSettings.setTableData();
+
+       fsettings.complete();
      }
 
    }
-- 
1.7.10.2