ActivatableGUIElement.java

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/*
 * This file is part of JXClient, the Fullscreen Java Crossfire Client.
 *
 * JXClient is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * JXClient 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with JXClient; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Copyright (C) 2005-2008 Yann Chachkoff.
 * Copyright (C) 2006-2011 Andreas Kirschbaum.
 */

package com.realtime.crossfire.jxclient.gui.gui;

import java.awt.event.MouseEvent;
import org.jetbrains.annotations.NotNull;

public abstract class ActivatableGUIElement extends AbstractGUIElement {

    private static final long serialVersionUID = 1;

    @NotNull
    private final GUIElementListener elementListener;

    private boolean pendingInactive;

    protected ActivatableGUIElement(@NotNull final TooltipManager tooltipManager, @NotNull final GUIElementListener elementListener, @NotNull final String name, final int transparency) {
        super(tooltipManager, elementListener, name, transparency);
        this.elementListener = elementListener;
    }

    protected abstract void activeChanged();

    @Override
    public void mousePressed(@NotNull final MouseEvent e) {
        setActive(true);
    }

    protected void markInactivePending() {
        pendingInactive = true;
    }

    protected void setInactiveIfPending() {
        if (pendingInactive) {
            setActive(false);
        }
    }

    public void setActive(final boolean active) {
        pendingInactive = false;
        elementListener.activeChanged(this, active);
    }

    public boolean isActive() {
        return elementListener.isActive(this);
    }

    public abstract void execute();

}