/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */
package com.sun.hotspot.igv.graal.filters;

import com.sun.hotspot.igv.data.Properties;
import com.sun.hotspot.igv.filter.AbstractFilter;
import com.sun.hotspot.igv.graph.Connection;
import com.sun.hotspot.igv.graph.Diagram;
import com.sun.hotspot.igv.graph.Figure;
import com.sun.hotspot.igv.graph.OutputSlot;
import java.awt.Color;
import java.util.List;

/**
 * Filter that colors usage and successor edges differently.
 * 
 * @author Peter Hofer
 */
public class GraalEdgeColorFilter extends AbstractFilter {

    private Color successorColor = Color.ORANGE;
    private Color usageColor = Color.RED;

    public GraalEdgeColorFilter() {
    }

    public String getName() {
        return "Graal Edge Color Filter";
    }

    public void apply(Diagram d) {
        List<Figure> figures = d.getFigures();
        for (Figure f : figures) {
            Properties p = f.getProperties();

            int succCount = Integer.parseInt(p.get("successorCount"));
            for (OutputSlot os : f.getOutputSlots()) {
                Color color;
                if (os.getPosition() < succCount) {
                    color = successorColor;
                } else {
                    color = usageColor;
                }

                os.setColor(color);
                for (Connection c : os.getConnections()) {
                    c.setColor(color);
                }
            }
        }
    }

    public Color getUsageColor() {
        return usageColor;
    }

    public void setUsageColor(Color usageColor) {
        this.usageColor = usageColor;
    }

    public Color getSuccessorColor() {
        return successorColor;
    }

    public void setSuccessorColor(Color successorColor) {
        this.successorColor = successorColor;
    }
}