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/*
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.
*
*
*/
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