From 4123d7eb50c5959e29ddaf803af285d722d5a8a5 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Fri, 18 Aug 2006 08:53:07 +0000
Subject: [PATCH] Only discover DAS sources if panel shown

---
 src/jalview/gui/DasSourceBrowser.java |   24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

diff --git a/src/jalview/gui/DasSourceBrowser.java b/src/jalview/gui/DasSourceBrowser.java
index 36e5164..e78d2d4 100755
--- a/src/jalview/gui/DasSourceBrowser.java
+++ b/src/jalview/gui/DasSourceBrowser.java
@@ -43,6 +43,8 @@ public class DasSourceBrowser extends GDasSourceBrowser
 
   String DEFAULT_REGISTRY = "http://das.sanger.ac.uk/registry/das1/sources/";
 
+  boolean loadingDasSources = false;
+
 
   public DasSourceBrowser()
   {
@@ -83,15 +85,19 @@ public class DasSourceBrowser extends GDasSourceBrowser
           }
         });
 
-    if(dasSources==null)
+    if(dasSources!=null)
     {
-    Thread worker = new Thread(this);
-    worker.start();
-    }
-    else
-     {
        init();
-     }
+    }
+  }
+
+  public void paintComponent(java.awt.Graphics g)
+  {
+    if (dasSources == null && !loadingDasSources)
+    {
+      Thread worker = new Thread(this);
+      worker.start();
+    }
   }
 
   void init()
@@ -239,6 +245,8 @@ public class DasSourceBrowser extends GDasSourceBrowser
 
   public void run()
   {
+    loadingDasSources = true;
+
     addLocal.setVisible(false);
     refresh.setVisible(false);
     progressBar.setVisible(true);
@@ -250,6 +258,8 @@ public class DasSourceBrowser extends GDasSourceBrowser
 
     init();
 
+    loadingDasSources = false;
+
   }
 
   public Vector getSelectedSources()
-- 
1.7.10.2