X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FScalePanel.java;h=ca3faf8542713b4edc9de4bff65ed7401628e53c;hb=5db57ea2e44da7e8f3d5ff0866b0b81cd4458aeb;hp=9c2b42f0faa5cbb0d4ffee93c92531475dff64d2;hpb=3da878124135ff033f42d19d8733891b09e953cd;p=jalview.git

diff --git a/src/jalview/gui/ScalePanel.java b/src/jalview/gui/ScalePanel.java
index 9c2b42f..ca3faf8 100755
--- a/src/jalview/gui/ScalePanel.java
+++ b/src/jalview/gui/ScalePanel.java
@@ -48,7 +48,6 @@ import java.util.List;
 import javax.swing.JMenuItem;
 import javax.swing.JPanel;
 import javax.swing.JPopupMenu;
-import javax.swing.SwingUtilities;
 import javax.swing.ToolTipManager;
 
 /**
@@ -115,15 +114,7 @@ public class ScalePanel extends JPanel
     {
       x = av.getAlignment().getHiddenColumns().visibleToAbsoluteColumn(x);
     }
-
-    if (x >= av.getAlignment().getWidth())
-    {
-      res = av.getAlignment().getWidth() - 1;
-    }
-    else
-    {
-      res = x;
-    }
+    res = Math.min(x, av.getAlignment().getWidth() - 1);
 
     min = res;
     max = res;
@@ -155,10 +146,27 @@ public class ScalePanel extends JPanel
    */
   protected void rightMouseButtonPressed(MouseEvent evt, final int res)
   {
+    JPopupMenu pop = buildPopupMenu(res);
+    if (pop.getSubElements().length > 0)
+    {
+      pop.show(this, evt.getX(), evt.getY());
+    }
+  }
+
+  /**
+   * Builds a popup menu with 'Hide' or 'Reveal' options, or both, or neither
+   * 
+   * @param res
+   *          column number (0..)
+   * @return
+   */
+  protected JPopupMenu buildPopupMenu(final int res)
+  {
     JPopupMenu pop = new JPopupMenu();
 
     /*
-     * grab the hidden range in case mouseMoved nulls it
+     * logic here depends on 'reveal', set in mouseMoved;
+     * grab the hidden range in case mouseMoved nulls it later
      */
     final int[] hiddenRange = reveal;
     if (hiddenRange != null)
@@ -179,7 +187,8 @@ public class ScalePanel extends JPanel
       });
       pop.add(item);
 
-      if (av.getAlignment().getHiddenColumns().hasMultiHiddenColumnRegions())
+      if (av.getAlignment().getHiddenColumns()
+              .hasMultiHiddenColumnRegions())
       {
         item = new JMenuItem(MessageManager.getString("action.reveal_all"));
         item.addActionListener(new ActionListener()
@@ -196,9 +205,9 @@ public class ScalePanel extends JPanel
         });
         pop.add(item);
       }
-      pop.show(this, evt.getX(), evt.getY());
     }
-    else if (av.getColumnSelection().contains(res))
+
+    if (av.getColumnSelection().contains(res))
     {
       JMenuItem item = new JMenuItem(
               MessageManager.getString("label.hide_columns"));
@@ -220,8 +229,8 @@ public class ScalePanel extends JPanel
         }
       });
       pop.add(item);
-      pop.show(this, evt.getX(), evt.getY());
     }
+    return pop;
   }
 
   /**
@@ -278,15 +287,14 @@ public class ScalePanel extends JPanel
 
     // todo res calculation should be a method on AlignViewport
     int xCords = Math.max(0, evt.getX()); // prevent negative X coordinates
-    int res = (xCords / av.getCharWidth())
-            + av.getRanges().getStartRes();
-
+    ViewportRanges ranges = av.getRanges();
+    int res = (xCords / av.getCharWidth()) + ranges.getStartRes();
+    res = Math.min(res, ranges.getEndRes());
     if (av.hasHiddenColumns())
     {
       res = av.getAlignment().getHiddenColumns()
               .visibleToAbsoluteColumn(res);
     }
-    res = Math.min(res, av.getRanges().getEndRes());
     res = Math.max(0, res);
 
     if (!stretchingGroup)
@@ -427,7 +435,7 @@ public class ScalePanel extends JPanel
   @Override
   public void paintComponent(Graphics g)
   {
-    //super.paintComponent(g);  // BH 2019
+    // super.paintComponent(g); // BH 2019
 
     /*
      * shouldn't get called in wrapped mode as the scale above is
@@ -515,10 +523,11 @@ public class ScalePanel extends JPanel
 
           gg.fillPolygon(
                   new int[]
-          { -1 + res * avCharWidth - avCharHeight / 4,
-              -1 + res * avCharWidth + avCharHeight / 4,
-              -1 + res * avCharWidth }, new int[]
-          { y, y, y + 2 * yOf }, 3);
+                  { -1 + res * avCharWidth - avCharHeight / 4,
+                      -1 + res * avCharWidth + avCharHeight / 4,
+                      -1 + res * avCharWidth },
+                  new int[]
+                  { y, y, y + 2 * yOf }, 3);
         }
       }
     }
@@ -569,10 +578,11 @@ public class ScalePanel extends JPanel
             || evt.getPropertyName().equals(ViewportRanges.MOVE_VIEWPORT))
     {
       // scroll event, repaint panel
-    	
-  	// Call repaint on alignment panel so that repaints from other alignment
-    // panel components can be aggregated. Otherwise performance of the overview
-    // window and others may be adversely affected.
+
+      // Call repaint on alignment panel so that repaints from other alignment
+      // panel components can be aggregated. Otherwise performance of the
+      // overview
+      // window and others may be adversely affected.
       av.getAlignPanel().repaint();
     }
   }