/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.tools.configeditor.util;
import java.awt.Component;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;
import org.pentaho.reporting.tools.configeditor.model.ConfigTreeModuleNode;
import org.pentaho.reporting.tools.configeditor.model.ConfigTreeRootNode;
import org.pentaho.reporting.tools.configeditor.model.ConfigTreeSectionNode;
/**
* Implements a config tree renderer that fixes some AWT-Graphics problems in conjunction with the clipping. It seems
* that the AWT-Graphics ignores the clipping bounds for some primitive operations. Clipping is done if the operations
* are performed on the Graphics2D level.
*
* @author Thomas Morgner
* @see BugFixProxyGraphics2D
*/
public class ConfigTreeRenderer extends DefaultTreeCellRenderer
{
/**
* DefaultConstructor.
*/
public ConfigTreeRenderer()
{
setDoubleBuffered(false);
}
/**
* Configures the renderer based on the passed in components. The value is set from messaging the tree with
* <code>convertValueToText</code>, which ultimately invokes <code>toString</code> on <code>value</code>. The
* foreground color is set based on the selection and the icon is set based on on leaf and expanded.
*
* @param tree the tree that renders the node.
* @param value the tree node
* @param sel whether the node is selected.
* @param expanded whether the node is expanded
* @param leaf whether the node is a leaf
* @param row the row number of the node in the tree.
* @param hasFocus whether the node has the input focus
* @return the renderer component.
*/
public Component getTreeCellRendererComponent(final JTree tree, final Object value,
final boolean sel,
final boolean expanded,
final boolean leaf, final int row,
final boolean hasFocus)
{
if (value instanceof ConfigTreeRootNode)
{
return super.getTreeCellRendererComponent(tree, "<Root>", //$NON-NLS-1$
sel, expanded, leaf, row, hasFocus);
}
else if (value instanceof ConfigTreeSectionNode)
{
final ConfigTreeSectionNode node = (ConfigTreeSectionNode) value;
return super.getTreeCellRendererComponent(tree, node.getName(),
sel, expanded, leaf, row, hasFocus);
}
else if (value instanceof ConfigTreeModuleNode)
{
final ConfigTreeModuleNode node = (ConfigTreeModuleNode) value;
final StringBuilder text = new StringBuilder(100);
text.append(node.getModule().getName());
// text.append(" - "); //$NON-NLS-1$
// text.append(node.getModule().getMajorVersion());
// text.append('.');
// text.append(node.getModule().getMinorVersion());
// text.append('-');
// text.append(node.getModule().getPatchLevel());
return super.getTreeCellRendererComponent(tree, text.toString(),
sel, expanded, leaf, row, hasFocus);
}
return super.getTreeCellRendererComponent(tree, value,
sel, expanded, leaf, row, hasFocus);
}
/**
* Paints the value. The background is filled based on selected. The TreeCellRenderer or Swing or something else has
* a bug inside so that the clipping of the graphics is not done correctly. If a rectangle is painted with
* Graphics.fillRect(int, int, int, int) the graphics is totally messed up.
*
* @param g the graphics.
*/
public void paint(final Graphics g)
{
super.paint(new BugFixProxyGraphics2D((Graphics2D) g));
}
}