JAL-2600 Tidies

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

diff --git a/src/jalview/gui/ScalePanel.java b/src/jalview/gui/ScalePanel.java
index bc59f91..800dc19 100755 (executable)
--- a/src/jalview/gui/ScalePanel.java
+++ b/src/jalview/gui/ScalePanel.java
@@ -28,6 +28,7 @@ import jalview.renderer.ScaleRenderer;
 import jalview.renderer.ScaleRenderer.ScaleMark;
 import jalview.util.MessageManager;
 import jalview.util.Platform;
+import jalview.viewmodel.ViewportListenerI;
 
 import java.awt.Color;
 import java.awt.FontMetrics;
@@ -39,6 +40,7 @@ import java.awt.event.ActionListener;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.awt.event.MouseMotionListener;
+import java.beans.PropertyChangeEvent;
 import java.util.List;
 
 import javax.swing.JMenuItem;
@@ -52,7 +54,7 @@ import javax.swing.ToolTipManager;
  * supports a range of mouse operations to select, hide or reveal columns.
  */
 public class ScalePanel extends JPanel implements MouseMotionListener,
-        MouseListener
+        MouseListener, ViewportListenerI
 {
   protected int offy = 4;
 
@@ -91,6 +93,8 @@ public class ScalePanel extends JPanel implements MouseMotionListener,
 
     addMouseListener(this);
     addMouseMotionListener(this);
+
+    av.getRanges().addPropertyChangeListener(this);
   }
 
   /**
@@ -397,24 +401,15 @@ public class ScalePanel extends JPanel implements MouseMotionListener,
     int res = (evt.getX() / av.getCharWidth())
             + av.getRanges().getStartRes();
 
+    reveal = av.getAlignment().getHiddenColumns()
+            .getRegionWithEdgeAtRes(res);
+
     res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
 
-    if (av.getAlignment().getHiddenColumns().getListOfCols() != null)
-    {
-      for (int[] region : av.getAlignment().getHiddenColumns()
-              .getListOfCols())
-      {
-        if (res + 1 == region[0] || res - 1 == region[1])
-        {
-          reveal = region;
-          ToolTipManager.sharedInstance().registerComponent(this);
-          this.setToolTipText(MessageManager
-                  .getString("label.reveal_hidden_columns"));
-          repaint();
-          return;
-        }
-      }
-    }
+    ToolTipManager.sharedInstance().registerComponent(this);
+    this.setToolTipText(
+            MessageManager.getString("label.reveal_hidden_columns"));
+    repaint();
   }
 
   /**
@@ -495,13 +490,12 @@ public class ScalePanel extends JPanel implements MouseMotionListener,
       gg.setColor(Color.blue);
       int res;
 
-      if (av.getShowHiddenMarkers() && hidden.getListOfCols() != null)
+      if (av.getShowHiddenMarkers())
       {
-        for (int i = 0; i < hidden.getListOfCols()
-                .size(); i++)
+        List<Integer> positions = hidden.findHiddenRegionPositions();
+        for (int pos : positions)
         {
-          res = hidden.findHiddenRegionPosition(i)
-                  - startx;
+          res = pos - startx;
 
           if (res < 0 || res > widthx)
           {
@@ -548,4 +542,15 @@ public class ScalePanel extends JPanel implements MouseMotionListener,
     }
   }
 
+  @Override
+  public void propertyChange(PropertyChangeEvent evt)
+  {
+    // Respond to viewport change events (e.g. alignment panel was scrolled)
+    if (evt.getPropertyName().equals("startres"))
+    {
+      // scroll event, repaint panel
+      repaint();
+    }
+  }
+
 }