/*

 Wotonomy: OpenStep design patterns for pure Java applications.

 Copyright (C) 2002 Intersect Software Corporation

 This library is free software; you can redistribute it and/or

 modify it under the terms of the GNU Lesser General Public

 License as published by the Free Software Foundation; either

 version 2.1 of the License, or (at your option) any later version.

 This library 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

 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public

 License along with this library; if not, see http://www.gnu.org

 */

 package net.wotonomy.ui.swing.components;

 import java.awt.Component;

 import java.awt.Point;

 import java.awt.Rectangle;

 import java.awt.event.MouseEvent;

 import java.awt.event.MouseListener;

 import javax.swing.JComponent;

 import javax.swing.JLabel;

 import javax.swing.JTable;

 import javax.swing.JTree;

 import javax.swing.JViewport;

 import javax.swing.table.TableCellRenderer;

 /**

 * A TableCellRenderer that paints a portion of a JTree. 

 * Extends JViewport to take advantage of buffering and

 * fast blitting (avoids repeated clipping and repainting).

 * Defaults opaque to false: to see selection background 

 * painted, call setOpaque( true ).

 *

 * @author michael@mpowers.net

 * @author $Author: cgruber $

 * @version $Revision: 904 $

 */

 public class TreeTableCellRenderer extends JViewport implements TableCellRenderer, MouseListener {

     JTree tree;

     Component emptyComponent;

     JTable delegateTable;

     int lastKnownColumn;

     /**

     * Constructor takes a JTree and modifies it by setting 

     * rootVisible to false, showsRootHandles to true,

     * opaque to false, and border to null.

     */

     public TreeTableCellRenderer( JTree aTree )

     {

         setView( aTree );

         setBorder( null );

         tree = aTree;

         tree.setRootVisible( false );

         tree.setShowsRootHandles( true );

         tree.setBorder( null );

         tree.setOpaque( false );

         Object renderer = tree.getCellRenderer();

         if ( renderer instanceof JComponent )

         {

             ((JComponent)renderer).setOpaque( false );

         }

         Object editor = tree.getCellEditor();

         if ( editor instanceof JComponent )

         {

             ((JComponent)editor).setOpaque( false );

         }

         this.setOpaque( false );

         emptyComponent = new JLabel();

     }

     public Component getTableCellRendererComponent(

                             JTable table, Object value,

                             boolean isSelected, boolean hasFocus,

                             int row, int column)

     {

         if ( isSelected )

         {

             setForeground( table.getSelectionForeground() );

             setBackground( table.getSelectionBackground() );

         }

         else

         {

             setForeground( table.getForeground() );

             setBackground( table.getBackground() );

         }

         lastKnownColumn = column;

         if ( delegateTable != table )

         {

             if ( delegateTable != null )

             {

                 delegateTable.removeMouseListener( this );

             }

             table.addMouseListener( this );

             delegateTable = table;

         }

         Rectangle rect = tree.getRowBounds( row );

         if ( rect != null ) 

         {

             setViewPosition( new Point( 0 /*rect.x*/, rect.y ) );

             //FIXME: this causes problems for some LAFs (like Metal):

             // in particular, the table height seems to get stuck.

             //if ( table.getRowHeight( row ) != rect.height )

             //{

             //    table.setRowHeight( row, rect.height );

             //}

             return this;

         }

         else

         {

             return emptyComponent;

         }

     }

     public void mouseClicked(MouseEvent e)

     {

         delegateToTree( e );

     }

     public void mousePressed(MouseEvent e)

     {

         delegateToTree( e );

     }

     public void mouseReleased(MouseEvent e)

     {

         delegateToTree( e );

     }

     public void mouseEntered(MouseEvent e)

     {

         delegateToTree( e );

     }

     public void mouseExited(MouseEvent e)

     {

         delegateToTree( e );

     }

     protected void delegateToTree(MouseEvent e)

     {

         int col = delegateTable.getColumnModel().getColumnIndexAtX( e.getX() );

         if ( col == lastKnownColumn )

         {

             Rectangle nodeRect = tree.getRowBounds( 0 );

             Rectangle cellRect = delegateTable.getCellRect( -1, col, false );

             if ( nodeRect != null )

             {

                 e.translatePoint( -cellRect.x, nodeRect.y );

                 tree.dispatchEvent( // e );

                     new MouseEvent( tree, e.getID(), e.getWhen(), e.getModifiers(), 

                         e.getX(), e.getY(), e.getClickCount(), e.isPopupTrigger() ) );

             }

         }

     }

     public void repaint()

     {

         //if ( delegateTable != null ) delegateTable.repaint();

         // not calling super.repaint() does not seem to cause 

         //   any problems so we're not doing it.

     }

 }

 /*

  * $Log$

  * Revision 1.2  2006/02/18 23:19:05  cgruber

  * Update imports and maven dependencies.

  *

  * Revision 1.1  2006/02/16 13:22:22  cgruber

  * Check in all sources in eclipse-friendly maven-enabled packages.

  *

  * Revision 1.11  2003/08/06 23:07:53  chochos

  * general code cleanup (mostly, removing unused imports)

  *

  * Revision 1.10  2002/04/12 20:07:35  mpowers

  * Fixed cool/annoying view position.

  *

  * Revision 1.9  2002/04/09 18:12:21  mpowers

  * Fixes for 1.4.

  *

  * Revision 1.8  2002/03/22 22:39:24  mpowers

  * Can now move column to any position in the table.

  *

  * Revision 1.7  2002/03/11 03:13:22  mpowers

  * Adjusting for viewport position; no longer responding to repaint().

  *

  * Revision 1.6  2002/03/07 23:04:36  mpowers

  * Refining TreeColumnAssociation.

  *

  * Revision 1.5  2002/03/05 23:18:28  mpowers

  * Added documentation.

  * Added isSelectionPaintedImmediate and isSelectionTracking attributes

  * to TableAssociation.

  * Added getTableAssociation to TableColumnAssociation.

  *

  * Revision 1.3  2002/02/27 23:19:17  mpowers

  * Refactoring of TreeAssociation to create TreeModelAssociation parent.

  *

  * Revision 1.2  2002/02/18 23:13:55  mpowers

  * Only setting row height when needed.

  *

  * Revision 1.1  2002/02/18 03:46:08  mpowers

  * Implemented TreeTableCellRenderer.

  *

  *

  */