/*
* 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) 2008 - 2009 Pentaho Corporation, . All rights reserved.
*/
package org.pentaho.reporting.designer.core.editor.expressions;
import java.awt.Component;
import java.util.Locale;
import javax.swing.JLabel;
import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;
import org.pentaho.reporting.engine.classic.core.metadata.ExpressionMetaData;
/**
* Todo: Document Me
*
* @author Thomas Morgner
*/
public class ExpressionTreeCellRenderer extends DefaultTreeCellRenderer
{
public ExpressionTreeCellRenderer()
{
}
/**
* 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.
*/
public Component getTreeCellRendererComponent(final JTree tree,
final Object value,
final boolean sel,
final boolean expanded,
final boolean leaf,
final int row,
final boolean hasFocus)
{
final JLabel rendererComponent = (JLabel)
super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
if (value instanceof ExpressionMetaData)
{
final ExpressionMetaData metaData = (ExpressionMetaData) value;
rendererComponent.setText(metaData.getDisplayName(Locale.getDefault()));
rendererComponent.setToolTipText(metaData.getDeprecationMessage(Locale.getDefault()));
}
return rendererComponent;
}
}