JAL-2446 merged to spike branch

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

diff --git a/src/jalview/appletgui/ScalePanel.java b/src/jalview/appletgui/ScalePanel.java
index 5a156fa..ec3e246 100755 (executable)
--- a/src/jalview/appletgui/ScalePanel.java
+++ b/src/jalview/appletgui/ScalePanel.java
@@ -21,10 +21,12 @@
 package jalview.appletgui;
 
 import jalview.datamodel.ColumnSelection;
+import jalview.datamodel.HiddenColumns;
 import jalview.datamodel.SequenceGroup;
 import jalview.renderer.ScaleRenderer;
 import jalview.renderer.ScaleRenderer.ScaleMark;
 import jalview.util.MessageManager;
+import jalview.viewmodel.ViewportListenerI;
 
 import java.awt.Color;
 import java.awt.FontMetrics;
@@ -38,10 +40,11 @@ import java.awt.event.InputEvent;
 import java.awt.event.MouseEvent;
 import java.awt.event.MouseListener;
 import java.awt.event.MouseMotionListener;
+import java.beans.PropertyChangeEvent;
 import java.util.List;
 
 public class ScalePanel extends Panel implements MouseMotionListener,
-        MouseListener
+        MouseListener, ViewportListenerI
 {
 
   protected int offy = 4;
@@ -71,17 +74,18 @@ public class ScalePanel extends Panel implements MouseMotionListener,
     addMouseListener(this);
     addMouseMotionListener(this);
 
+    av.getRanges().addPropertyChangeListener(this);
   }
 
   @Override
   public void mousePressed(MouseEvent evt)
   {
-    int x = (evt.getX() / av.getCharWidth()) + av.getStartRes();
+    int x = (evt.getX() / av.getCharWidth()) + av.getRanges().getStartRes();
     final int res;
 
     if (av.hasHiddenColumns())
     {
-      res = av.getColumnSelection().adjustForHiddenColumns(x);
+      res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(x);
     }
     else
     {
@@ -170,7 +174,7 @@ public class ScalePanel extends Panel implements MouseMotionListener,
       });
       pop.add(item);
 
-      if (av.getColumnSelection().hasManyHiddenColumns())
+      if (av.getAlignment().getHiddenColumns().hasManyHiddenColumns())
       {
         item = new MenuItem(MessageManager.getString("action.reveal_all"));
         item.addActionListener(new ActionListener()
@@ -229,7 +233,8 @@ public class ScalePanel extends Panel implements MouseMotionListener,
   {
     mouseDragging = false;
 
-    int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
+    int res = (evt.getX() / av.getCharWidth())
+            + av.getRanges().getStartRes();
 
     if (res > av.getAlignment().getWidth())
     {
@@ -238,7 +243,8 @@ public class ScalePanel extends Panel implements MouseMotionListener,
 
     if (av.hasHiddenColumns())
     {
-      res = av.getColumnSelection().adjustForHiddenColumns(res);
+      res = av.getAlignment().getHiddenColumns()
+              .adjustForHiddenColumns(res);
     }
 
     if (!stretchingGroup)
@@ -264,72 +270,31 @@ public class ScalePanel extends Panel implements MouseMotionListener,
     av.sendSelection();
   }
 
+  /**
+   * Action on dragging the mouse in the scale panel is to expand or shrink the
+   * selection group range (including any hidden columns that it spans)
+   * 
+   * @param evt
+   */
   @Override
   public void mouseDragged(MouseEvent evt)
   {
     mouseDragging = true;
+    ColumnSelection cs = av.getColumnSelection();
 
-    int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
-    if (res < 0)
-    {
-      res = 0;
-    }
-
-    if (av.hasHiddenColumns())
-    {
-      res = av.getColumnSelection().adjustForHiddenColumns(res);
-    }
-
-    if (res > av.getAlignment().getWidth())
-    {
-      res = av.getAlignment().getWidth() - 1;
-    }
-
-    if (res < min)
-    {
-      min = res;
-    }
-
-    if (res > max)
-    {
-      max = res;
-    }
+    int res = (evt.getX() / av.getCharWidth())
+            + av.getRanges().getStartRes();
+    res = Math.max(0, res);
+    res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
+    res = Math.min(res, av.getAlignment().getWidth() - 1);
+    min = Math.min(res, min);
+    max = Math.max(res, max);
 
     SequenceGroup sg = av.getSelectionGroup();
-
     if (sg != null)
     {
       stretchingGroup = true;
-
-      if (!av.getColumnSelection().contains(res))
-      {
-        av.getColumnSelection().addElement(res);
-      }
-
-      if (res > sg.getStartRes())
-      {
-        sg.setEndRes(res);
-      }
-      if (res < sg.getStartRes())
-      {
-        sg.setStartRes(res);
-      }
-
-      int col;
-      for (int i = min; i <= max; i++)
-      {
-        col = av.getColumnSelection().adjustForHiddenColumns(i);
-
-        if ((col < sg.getStartRes()) || (col > sg.getEndRes()))
-        {
-          av.getColumnSelection().removeElement(col);
-        }
-        else
-        {
-          av.getColumnSelection().addElement(col);
-        }
-      }
-
+      cs.stretchGroup(res, sg, min, max);
       ap.paintAlignment(false);
     }
   }
@@ -366,12 +331,14 @@ public class ScalePanel extends Panel implements MouseMotionListener,
       return;
     }
 
-    int res = (evt.getX() / av.getCharWidth()) + av.getStartRes();
+    int res = (evt.getX() / av.getCharWidth())
+            + av.getRanges().getStartRes();
 
-    res = av.getColumnSelection().adjustForHiddenColumns(res);
+    res = av.getAlignment().getHiddenColumns().adjustForHiddenColumns(res);
 
     reveal = null;
-    for (int[] region : av.getColumnSelection().getHiddenColumns())
+    for (int[] region : av.getAlignment().getHiddenColumns()
+            .getHiddenRegions())
     {
       if (res + 1 == region[0] || res - 1 == region[1])
       {
@@ -392,7 +359,8 @@ public class ScalePanel extends Panel implements MouseMotionListener,
   @Override
   public void paint(Graphics g)
   {
-    drawScale(g, av.getStartRes(), av.getEndRes(), getSize().width,
+    drawScale(g, av.getRanges().getStartRes(), av.getRanges().getEndRes(),
+            getSize().width,
             getSize().height);
   }
 
@@ -408,21 +376,22 @@ public class ScalePanel extends Panel implements MouseMotionListener,
 
     // Fill the selected columns
     ColumnSelection cs = av.getColumnSelection();
+    HiddenColumns hidden = av.getAlignment().getHiddenColumns();
     int avCharWidth = av.getCharWidth();
     int avcharHeight = av.getCharHeight();
     if (cs != null)
     {
       gg.setColor(new Color(220, 0, 0));
-      boolean hasHiddenColumns = cs.hasHiddenColumns();
+      boolean hasHiddenColumns = hidden.hasHiddenColumns();
       for (int sel : cs.getSelected())
       {
         // TODO: JAL-2001 - provide a fast method to list visible selected in a
         // given range
         if (hasHiddenColumns)
         {
-          if (cs.isVisible(sel))
+          if (hidden.isVisible(sel))
           {
-            sel = cs.findColumnPosition(sel);
+            sel = hidden.findColumnPosition(sel);
           }
           else
           {
@@ -481,10 +450,10 @@ public class ScalePanel extends Panel implements MouseMotionListener,
       if (av.getShowHiddenMarkers())
       {
         int widthx = 1 + endx - startx;
-        for (int i = 0; i < cs.getHiddenColumns().size(); i++)
+        for (int i = 0; i < hidden.getHiddenRegions().size(); i++)
         {
 
-          res = cs.findHiddenRegionPosition(i) - startx;
+          res = hidden.findHiddenRegionPosition(i) - startx;
 
           if (res < 0 || res > widthx)
           {
@@ -500,4 +469,11 @@ public class ScalePanel extends Panel implements MouseMotionListener,
     }
   }
 
+  @Override
+  public void propertyChange(PropertyChangeEvent evt)
+  {
+    // Respond to viewport change events (e.g. alignment panel was scrolled)
+    repaint();
+  }
+
 }