GUIItemKnowledge.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.item;
 
import com.realtime.crossfire.jxclient.faces.FacesManager;
import com.realtime.crossfire.jxclient.faces.FacesManagerListener;
import com.realtime.crossfire.jxclient.gui.gui.GUIElementListener;
import com.realtime.crossfire.jxclient.gui.gui.TooltipManager;
import com.realtime.crossfire.jxclient.gui.list.GUIKnowledgeList;
import com.realtime.crossfire.jxclient.items.CfItem;
import com.realtime.crossfire.jxclient.items.ItemView;
import com.realtime.crossfire.jxclient.knowledge.KnowledgeItem;
import com.realtime.crossfire.jxclient.knowledge.KnowledgeListener;
import com.realtime.crossfire.jxclient.knowledge.KnowledgeManager;
import com.realtime.crossfire.jxclient.queue.CommandQueue;
import com.realtime.crossfire.jxclient.skin.skin.GuiFactory;
import java.awt.Dimension;
import java.awt.Image;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
 
public class GUIItemKnowledge extends GUIItemItem {
 
    private static final long serialVersionUID = 1;
 
    @NotNull
    private final Object sync = new Object();
 
    @NotNull
    private final FacesManager facesManager;
 
    @NotNull
    private final KnowledgeManager knowledgeManager;
 
    private final int defaultIndex;
 
    private int index = -1;
 
    private boolean selected;
 
    @NotNull
    private final CommandQueue commandQueue;
 
    @NotNull
    private final ItemView view;
 
    @Nullable
    private KnowledgeItem item;
 
    @NotNull
    @SuppressWarnings("FieldCanBeLocal")
    private final FacesManagerListener facesManagerListener = face -> {
        if (item != null && item.getFaceNum() == face.getFaceNum()) {
            setChanged();
        }
    };
 
    public GUIItemKnowledge(@NotNull final TooltipManager tooltipManager, @NotNull final GUIElementListener elementListener, @NotNull final String name, @NotNull final ItemPainter itemPainter, final int defaultIndex, @NotNull final FacesManager facesManager, @NotNull final KnowledgeManager knowledgeManager, @NotNull final ItemView view, @NotNull final CommandQueue commandQueue, final int size, @NotNull final GuiFactory guiFactory) {
        super(tooltipManager, elementListener, name, itemPainter, facesManager, guiFactory);
        this.defaultIndex = defaultIndex;
        this.facesManager = facesManager;
        this.knowledgeManager = knowledgeManager;
        this.view = view;
        this.commandQueue = commandQueue;
        setIndex(defaultIndex);
 
        knowledgeManager.addKnowledgeListener(new KnowledgeListener() {
 
            @Override
            public void typeAdded(final int index) {
            }
 
            @Override
            public void knowledgeAdded(final int index) {
                synchronized (sync) {
                    if (GUIItemKnowledge.this.index < index) {
                        return;
                    }
                }
 
                setKnowledgeItem();
            }
        });
        facesManager.addFacesManagerListener(facesManagerListener);
        if (size != 0) {
            setSize(size, size);
        }
    }
 
    @Override
    public boolean canScroll(final int distance) {
        if (distance < 0) {
            synchronized (sync) {
                return index >= -distance;
            }
        }
        if (distance > 0) {
            synchronized (sync) {
                return index+distance < knowledgeManager.getTypes();
            }
        }
        return false;
    }
 
    @Override
    public void scroll(final int distance) {
        final int index;
        synchronized (sync) {
            index = this.index;
        }
        setIndex(index+distance);
        setChanged();
    }
 
    @Override
    public void resetScroll() {
        setIndex(defaultIndex);
    }
 
    @NotNull
    @Override
    @SuppressWarnings("MethodDoesntCallSuperMethod")
    public Dimension getPreferredSize() {
        return getMinimumSizeInt();
    }
 
    @NotNull
    @Override
    @SuppressWarnings("MethodDoesntCallSuperMethod")
    public Dimension getMinimumSize() {
        return getMinimumSizeInt();
    }
 
    @NotNull
    private static Dimension getMinimumSizeInt() {
        return new Dimension(32, 32);
    }
 
    private void setKnowledgeItem() {
        final int index;
        synchronized (sync) {
            index = this.index;
        }
        final KnowledgeItem newItem = knowledgeManager.getKnowledge(index);
 
        if (newItem == item) {
            return;
        }
 
        item = newItem;
        setChanged();
    }
 
    private void setIndex(final int index) {
        synchronized (sync) {
            if (this.index == index) {
                return;
            }
            this.index = index;
        }
 
        setKnowledgeItem();
    }
 
    @NotNull
    @Override
    protected Image getFace(@NotNull final CfItem item) {
        return facesManager.getOriginalImageIcon(item.getFace().getFaceNum(), null).getImage();
    }
 
    @Override
    public void setSelected(final boolean selected) {
        if (this.selected == selected) {
            return;
        }
 
        this.selected = selected;
        setChanged();
    }
 
    @Override
    protected boolean isSelected() {
        return selected || isActive();
    }
 
    @Override
    public int getIndex() {
        synchronized (sync) {
            return index;
        }
    }
 
    @Override
    public void setIndexNoListeners(final int index) {
        synchronized (sync) {
            this.index = index;
        }
 
        setItemNoListeners(view.getItem(index));
        setKnowledgeItem();
    }
 
    @Override
    public void button1Clicked(final int modifiers) {
        if (item == null) {
            return;
        }
 
        commandQueue.sendNcom(false, "knowledge show "+item.getKnowledgeIndex());
    }
 
    @Override
    public void button2Clicked(final int modifiers) {
        if (item == null || !knowledgeManager.canAttemptType(item.getType())) {
            return;
        }
 
        assert item != null;
        commandQueue.sendNcom(false, "knowledge attempt "+item.getKnowledgeIndex());
    }
 
    @Override
    public void button3Clicked(final int modifiers) {
    }
 
    @Override
    public void notifyOpen() {
    }
 
}