bugrenderer.java

A static analysis tool to find bugs in Java programs

/*
 * FindBugs - Find Bugs in Java programs
 * Copyright (C) 2006, University of Maryland
 * 
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston MA 02111-1307, USA
 */

package edu.umd.cs.findbugs.gui2;

import java.awt.Color;
import java.awt.Component;

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

import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.Detector;

@SuppressWarnings("serial")
/**
 *  Sets colors for JTree nodes
 * 	@author Dan 
 */  
public class BugRenderer extends DefaultTreeCellRenderer
{
	@Override
	public Component getTreeCellRendererComponent(JTree tree, Object node, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) 
	{
		Component toReturn=super.getTreeCellRendererComponent(tree,node,selected,expanded,leaf,row,hasFocus);

		if (!(node instanceof BugLeafNode))
			return toReturn;
		else
		{
			BugInstance bug=((BugLeafNode) node).getBug();
			Color c;
			switch (bug.getPriority())
			{
				case Detector.LOW_PRIORITY:
					c=new Color(0.4f, 0.4f, 0.6f);
					break;
				case Detector.NORMAL_PRIORITY:
					c=Color.black;
					break;
				case Detector.HIGH_PRIORITY:
					c=new Color(.85f, 0, 0);
					break;
				case Detector.EXP_PRIORITY: 
				case Detector.IGNORE_PRIORITY:
				default: 
					c=Color.black;
					break;
			}
			if (leaf)
				toReturn.setForeground(c);
			return toReturn;
		}
	}
}