/*
 * Copyright (c) 2008, 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.max.ins.value;

import com.sun.max.ins.*;
import com.sun.max.tele.object.*;
import com.sun.max.vm.actor.*;
import com.sun.max.vm.value.*;

/**
 * A textual display label associated with an integer that represents the value of the {@link Actor#flags} field in
 * instances of {@link Actor} in the VM.
 *
 * @see TeleActor
 */
public final class ActorFlagsValueLabel extends ValueLabel {

    private final TeleActor teleActor;
    private int flags = 0;

    public ActorFlagsValueLabel(Inspection inspection, TeleActor teleActor) {
        super(inspection);
        this.teleActor = teleActor;
        initializeValue();
        redisplay();
    }

    @Override
    protected Value fetchValue() {
        flags = teleActor.getFlags();
        return IntValue.from(flags);
    }

    @Override
    protected void updateText() {
        setText("Flags: " + intTo0xHex(flags));
        String toolTipText;
        final String [] flagNames = teleActor.getFlagNames();
        if (flagNames.length == 0) {
            toolTipText = htmlify("<no flags set>");
        } else {
            final StringBuilder sb = new StringBuilder("Flags set =");
            for (int index = 0; index < flagNames.length; index++) {
                sb.append("<br>").append(flagNames[index]);
            }
            toolTipText = sb.toString();
        }
        setWrappedToolTipHtmlText(toolTipText);
    }

    public void redisplay() {
        setFont(preference().style().primitiveDataFont());
        updateText();
    }

}