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) 2006-2017,2019-2023 Andreas Kirschbaum
 * Copyright (C) 2010-2012,2014-2018,2020-2023 Nicolas Weeger
 */
 
package com.realtime.crossfire.jxclient.gui.gui;
 
import com.realtime.crossfire.jxclient.skin.skin.GuiFactory;
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;
 
    @NotNull
    private ActivatableGUIElement next = this;
 
    @NotNull
    private ActivatableGUIElement prev = this;
 
    protected ActivatableGUIElement(@NotNull final TooltipManager tooltipManager, @NotNull final GUIElementListener elementListener, @NotNull final String name, final boolean opaque, @NotNull final GuiFactory guiFactory) {
        super(tooltipManager, elementListener, name, opaque, guiFactory);
        this.elementListener = elementListener;
    }
 
    protected abstract void activeChanged();
 
    @Override
    public void mousePressed(@NotNull final MouseEvent e) {
        super.mousePressed(e);
        if (isEnabled()) {
            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();
 
    public void activateNextElement() {
        setActive(false);
        next.setActive(true);
    }
 
    public void activatePrevElement() {
        setActive(false);
        prev.setActive(true);
    }
 
    public void setNextActive(@NotNull final ActivatableGUIElement next) {
        this.next = next;
    }
 
    public void setPrevActive(@NotNull final ActivatableGUIElement prev) {
        this.prev = prev;
    }
 
}