taverna-workbench-activity-palette-ui/src/main/java/net/sf/taverna/t2/workbench/ui/servicepanel/tree/FilterTreeCellRenderer.java

/*******************************************************************************
 * Copyright (C) 2007-2009 The University of Manchester   
 * 
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 * 
 *  This program 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 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.
 *    
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 ******************************************************************************/
package net.sf.taverna.t2.workbench.ui.servicepanel.tree;

import static net.sf.taverna.t2.workbench.icons.WorkbenchIcons.folderClosedIcon;
import static net.sf.taverna.t2.workbench.icons.WorkbenchIcons.folderOpenIcon;

import java.awt.Component;

import javax.swing.JTree;
import javax.swing.tree.DefaultTreeCellRenderer;

@SuppressWarnings("serial")
public class FilterTreeCellRenderer extends DefaultTreeCellRenderer {
	private Filter filter = null;

	@Override
	public Component getTreeCellRendererComponent(JTree tree, Object value,
			boolean sel, boolean expanded, boolean leaf, int row,
			boolean hasFocus) {

		super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf,
				row, hasFocus);
		Filter filter = getFilter();
		if (filter != null)
			setText(filter.filterRepresentation(getText()));
		if (expanded)
			setIcon(folderOpenIcon);
		else
			setIcon(folderClosedIcon);
		return this;
	}

	public Filter getFilter() {
		return filter;
	}

	public void setFilter(Filter currentFilter) {
		this.filter = currentFilter;
	}
}