X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FSliderPanel.java;h=940bab27a161d51cc861073dd64c9ca458983678;hb=cb51e62fe2166b236ef488e0a8f35081fcd71388;hp=46b47a28fa6b4eb1f7c986c2bcce91a80901e8f0;hpb=3da878124135ff033f42d19d8733891b09e953cd;p=jalview.git

diff --git a/src/jalview/gui/SliderPanel.java b/src/jalview/gui/SliderPanel.java
index 46b47a2..940bab2 100755
--- a/src/jalview/gui/SliderPanel.java
+++ b/src/jalview/gui/SliderPanel.java
@@ -26,7 +26,6 @@ import jalview.jbgui.GSliderPanel;
 import jalview.renderer.ResidueShaderI;
 import jalview.util.MessageManager;
 
-import java.awt.event.ActionEvent;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.beans.PropertyVetoException;
@@ -45,14 +44,11 @@ import javax.swing.event.InternalFrameEvent;
  * @author $author$
  * @version $Revision$
  */
+@SuppressWarnings("serial")
 public class SliderPanel extends GSliderPanel
 {
   private static final String BACKGROUND = "Background";
 
-  static JInternalFrame conservationSlider;
-
-  static JInternalFrame PIDSlider;
-
   AlignmentPanel ap;
 
   boolean forConservation = true;
@@ -66,6 +62,11 @@ public class SliderPanel extends GSliderPanel
    */
   public static SliderPanel getSliderPanel()
   {
+
+    JInternalFrame conservationSlider = getConservationSlider();
+
+    JInternalFrame PIDSlider = getPIDSlider();
+
     if (conservationSlider != null && conservationSlider.isVisible())
     {
       return (SliderPanel) conservationSlider.getContentPane();
@@ -153,10 +154,13 @@ public class SliderPanel extends GSliderPanel
   {
     SliderPanel sliderPanel = null;
 
+    JInternalFrame conservationSlider = getConservationSlider();
+
     if (conservationSlider == null)
     {
       sliderPanel = new SliderPanel(ap, rs.getConservationInc(), true, rs);
-      conservationSlider = new JInternalFrame();
+      conservationSlider = Desktop
+              .getInstance().conservationSlider = new JInternalFrame();
       conservationSlider.setContentPane(sliderPanel);
       conservationSlider.setLayer(JLayeredPane.PALETTE_LAYER);
     }
@@ -192,12 +196,14 @@ public class SliderPanel extends GSliderPanel
    */
   public static void hidePIDSlider()
   {
+    JInternalFrame PIDSlider = getPIDSlider();
+
     if (PIDSlider != null)
     {
       try
       {
         PIDSlider.setClosed(true);
-        PIDSlider = null;
+        Desktop.getInstance().PIDSlider = null;
       } catch (PropertyVetoException ex)
       {
       }
@@ -209,12 +215,14 @@ public class SliderPanel extends GSliderPanel
    */
   public static void hideConservationSlider()
   {
+    JInternalFrame conservationSlider = getConservationSlider();
+
     if (conservationSlider != null)
     {
       try
       {
         conservationSlider.setClosed(true);
-        conservationSlider = null;
+        Desktop.getInstance().conservationSlider = null;
       } catch (PropertyVetoException ex)
       {
       }
@@ -228,6 +236,8 @@ public class SliderPanel extends GSliderPanel
   {
     hidePIDSlider();
 
+    JInternalFrame conservationSlider = getConservationSlider();
+
     if (!conservationSlider.isVisible())
     {
       Desktop.addInternalFrame(conservationSlider,
@@ -238,7 +248,7 @@ public class SliderPanel extends GSliderPanel
         @Override
         public void internalFrameClosed(InternalFrameEvent e)
         {
-          conservationSlider = null;
+          Desktop.getInstance().conservationSlider = null;
         }
       });
       conservationSlider.setLayer(JLayeredPane.PALETTE_LAYER);
@@ -264,10 +274,12 @@ public class SliderPanel extends GSliderPanel
 
     SliderPanel sliderPanel = null;
 
+    JInternalFrame PIDSlider = getPIDSlider();
+
     if (PIDSlider == null)
     {
       sliderPanel = new SliderPanel(ap, threshold, false, rs);
-      PIDSlider = new JInternalFrame();
+      PIDSlider = Desktop.getInstance().PIDSlider = new JInternalFrame();
       PIDSlider.setContentPane(sliderPanel);
       PIDSlider.setLayer(JLayeredPane.PALETTE_LAYER);
     }
@@ -305,6 +317,8 @@ public class SliderPanel extends GSliderPanel
   {
     hideConservationSlider();
 
+    JInternalFrame PIDSlider = getPIDSlider();
+
     if (!PIDSlider.isVisible())
     {
       Desktop.addInternalFrame(PIDSlider, PIDSlider.getTitle(), true,
@@ -315,7 +329,7 @@ public class SliderPanel extends GSliderPanel
         @Override
         public void internalFrameClosed(InternalFrameEvent e)
         {
-          PIDSlider = null;
+          Desktop.getInstance().PIDSlider = null;
         }
       });
       PIDSlider.setLayer(JLayeredPane.PALETTE_LAYER);
@@ -449,22 +463,6 @@ public class SliderPanel extends GSliderPanel
     }
   }
 
-  public static int getConservationValue()
-  {
-    return getValue(conservationSlider);
-  }
-
-  static int getValue(JInternalFrame slider)
-  {
-    return slider == null ? 0
-            : ((SliderPanel) slider.getContentPane()).getValue();
-  }
-
-  public static int getPIDValue()
-  {
-    return getValue(PIDSlider);
-  }
-
   /**
    * Answers true if the SliderPanel is for Conservation, false if it is for PID
    * threshold
@@ -485,6 +483,9 @@ public class SliderPanel extends GSliderPanel
   public String getTitle()
   {
     String title = null;
+    JInternalFrame conservationSlider = getConservationSlider();
+    JInternalFrame PIDSlider = getPIDSlider();
+
     if (isForConservation())
     {
       if (conservationSlider != null)
@@ -498,4 +499,63 @@ public class SliderPanel extends GSliderPanel
     }
     return title;
   }
+
+  /**
+   * Returns the singleton instance of the Conservation slider within current
+   * application scope, or null if there is none
+   * 
+   * @return
+   */
+  private static JInternalFrame getConservationSlider()
+  {
+    return Desktop.getInstance().conservationSlider;
+  }
+
+  /**
+   * Returns the singleton instance of the PID slider within current application
+   * scope, or null if there is none
+   * 
+   * @return
+   */
+  private static JInternalFrame getPIDSlider()
+  {
+    return Desktop.getInstance().PIDSlider;
+  }
+
+  /**
+   * Returns the current value of the Conservation slider, or zero if there is
+   * no such slider
+   * 
+   * @param slider
+   * @return
+   */
+  public static int getConservationValue()
+  {
+    return getValue(getConservationSlider());
+  }
+
+  /**
+   * Returns the current value of the PID slider, or zero if there is no such
+   * slider
+   * 
+   * @param slider
+   * @return
+   */
+  public static int getPIDValue()
+  {
+    return getValue(getPIDSlider());
+  }
+
+  /**
+   * Returns the current value of the given slider, or zero if {@code slider} is
+   * null
+   * 
+   * @param slider
+   * @return
+   */
+  static int getValue(JInternalFrame slider)
+  {
+    return slider == null ? 0
+            : ((SliderPanel) slider.getContentPane()).getValue();
+  }
 }