X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FIdwidthAdjuster.java;h=4ba069922ee9622fe1857ea077f172b3a76aa166;hb=fa9da54fb97cb2eacb1af7859024d90166bddb8f;hp=ead38dcf1fe754e41955446039a2d2539cf2fd6e;hpb=99c58ee0ae2a848f982552e53feaf6d5cb9925e5;p=jalview.git

diff --git a/src/jalview/gui/IdwidthAdjuster.java b/src/jalview/gui/IdwidthAdjuster.java
index ead38dc..4ba0699 100755
--- a/src/jalview/gui/IdwidthAdjuster.java
+++ b/src/jalview/gui/IdwidthAdjuster.java
@@ -1,80 +1,174 @@
-/*
-* Jalview - A Sequence Alignment Editor and Viewer
-* Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
-*/
-
-package jalview.gui;
-
-import javax.swing.*;
-import java.awt.event.*;
-import java.awt.*;
-
-
-public class IdwidthAdjuster extends JPanel implements MouseListener, MouseMotionListener
-{
-  boolean active = false;
-  int oldX=0;
-  Image image;
-  AlignmentPanel ap ;
-
-  public IdwidthAdjuster(AlignmentPanel ap)
-  {
-    this.ap = ap;
-    java.net.URL url = getClass().getResource("/images/idwidth.gif");
-       if (url != null)
-         image = java.awt.Toolkit.getDefaultToolkit().createImage(url);
-
-    addMouseListener(this);
-    addMouseMotionListener(this);
-  }
-
-  public void mousePressed(MouseEvent evt)
-  { oldX = evt.getX(); }
-
-  public void mouseReleased(MouseEvent evt){ active = false; repaint(); }
-  public void mouseEntered(MouseEvent evt) { active = true;  repaint();}
-  public void mouseExited(MouseEvent evt)  { active = false; repaint();}
-  public void mouseDragged(MouseEvent evt)
-  {
-    active = true;
-    Dimension d = ap.idPanel.idCanvas.getPreferredSize();
-    int dif = evt.getX() - oldX;
-
-    if(d.width+dif>20 || dif>0)
-    {
-      ap.idPanel.idCanvas.setPreferredSize(new Dimension(d.width + dif,d.height));
-      ap.repaint();
-    }
-
-    oldX = evt.getX();
-  }
-
-  public void mouseMoved(MouseEvent evt)   {}
-  public void mouseClicked(MouseEvent evt) {}
-
-  public void paintComponent(Graphics g)
-  {
-    g.setColor(Color.white);
-    g.fillRect(0,0, getWidth(), getHeight());
-    if(active)
-    {
-      if(image!=null)
-        g.drawImage(image, getWidth()-20, 2, this);
-    }
-  }
-
-}
+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ * 
+ * This file is part of Jalview.
+ * 
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License 
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *  
+ * Jalview is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty 
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
+ * PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview.  If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
+package jalview.gui;
+
+import jalview.api.AlignViewportI;
+
+import java.awt.Color;
+import java.awt.Cursor;
+import java.awt.Graphics;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+
+import javax.swing.JPanel;
+
+/**
+ * DOCUMENT ME!
+ * 
+ * @author $author$
+ * @version $Revision$
+ */
+public class IdwidthAdjuster extends JPanel
+        implements MouseListener, MouseMotionListener
+{
+  public static final int MIN_ID_WIDTH = 20;
+
+  int oldX = 0;
+
+  AlignmentPanel ap;
+
+  /**
+   * Creates a new IdwidthAdjuster object.
+   * 
+   * @param ap
+   *          DOCUMENT ME!
+   */
+  public IdwidthAdjuster(AlignmentPanel ap)
+  {
+    this.ap = ap;
+    setBackground(Color.white);
+    addMouseListener(this);
+    addMouseMotionListener(this);
+  }
+
+  /**
+   * Action on mouse pressed is to save the start position for any drag
+   * 
+   * @param evt
+   */
+  @Override
+  public void mousePressed(MouseEvent evt)
+  {
+    oldX = evt.getX();
+  }
+
+  /**
+   * On release of mouse drag to resize the width, if there is a complementary
+   * alignment in a split frame, sets the complement to the same id width and
+   * repaints the split frame. Note this is done whether or not the protein
+   * characters are scaled to codon width.
+   * 
+   * @param evt
+   */
+  @Override
+  public void mouseReleased(MouseEvent evt)
+  {
+    repaint();
+
+    /*
+     * If in a SplitFrame, set the other's id width to match
+     */
+    final AlignViewportI viewport = ap.getAlignViewport();
+    if (viewport.getCodingComplement() != null)
+    {
+      viewport.getCodingComplement().setIdWidth(viewport.getIdWidth());
+      SplitFrame sf = (SplitFrame) ap.alignFrame.getSplitViewContainer();
+      sf.repaint();
+    }
+  }
+
+  /**
+   * When this region is entered, repaints to show a left-right move cursor
+   * 
+   * @param evt
+   */
+  @Override
+  public void mouseEntered(MouseEvent evt)
+  {
+    repaint();
+  }
+
+  @Override
+  public void mouseExited(MouseEvent evt)
+  {
+  }
+
+  /**
+   * Adjusts the id panel width for a mouse drag left or right (subject to a
+   * minimum of 20 pixels) and repaints the alignment
+   * 
+   * @param evt
+   */
+  @Override
+  public void mouseDragged(MouseEvent evt)
+  {
+    int mouseX = evt.getX();
+    final AlignViewportI viewport = ap.getAlignViewport();
+    int curwidth = viewport.getIdWidth();
+    int dif = mouseX - oldX;
+
+    final int newWidth = curwidth + dif;
+
+    /*
+     * don't drag below minimum width
+     */
+    if (newWidth < MIN_ID_WIDTH)
+    {
+      return;
+    }
+
+    oldX = evt.getX();
+
+    /*
+     * don't drag right if mouse is to the left of the region
+     */
+    if (dif > 0 && mouseX < 0)
+    {
+      return;
+    }
+    viewport.setIdWidth(newWidth);
+    ap.paintAlignment(true, false);
+  }
+
+  @Override
+  public void mouseMoved(MouseEvent evt)
+  {
+  }
+
+  @Override
+  public void mouseClicked(MouseEvent evt)
+  {
+  }
+
+  /**
+   * Paints this region, showing a left-right move cursor if currently 'active'
+   * 
+   * @param g
+   */
+  @Override
+  public void paintComponent(Graphics g)
+  {
+    g.setColor(Color.white);
+    g.fillRect(0, 0, getWidth(), getHeight());
+    setCursor(Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR));
+  }
+}