Shortcuts.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.shortcuts;
 
import com.realtime.crossfire.jxclient.spells.Spell;
import com.realtime.crossfire.jxclient.spells.SpellsManager;
import com.realtime.crossfire.jxclient.spells.SpellsManagerListener;
import com.realtime.crossfire.jxclient.util.EventListenerList2;
import com.realtime.crossfire.jxclient.window.ShortcutsLoader;
import java.nio.file.Path;
import java.util.Collections;
import java.util.EnumMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
 
public class Shortcuts implements Iterable<Shortcut> {
 
    @NotNull
    private final Map<ShortcutSlot, Shortcut> shortcuts = new EnumMap<>(ShortcutSlot.class);
 
    @Nullable
    private Path file;
 
    @NotNull
    private final EventListenerList2<ShortcutsListener> listeners = new EventListenerList2<>();
 
    @NotNull
    private final SpellsManager spellsManager;
 
    @NotNull
    @SuppressWarnings("FieldCanBeLocal")
    private final SpellsManagerListener spellsManagerListener = new SpellsManagerListener() {
 
        @Override
        public void spellAdded(final int index) {
            for (final Entry<ShortcutSlot, Shortcut> e : shortcuts.entrySet()) {
                final Shortcut shortcut = e.getValue();
                if (shortcut != null) {
                    setShortcutString(e.getKey(), shortcut.getCommand(), false);
                }
            }
        }
 
        @Override
        public void spellRemoved(final int index) {
            for (final Entry<ShortcutSlot, Shortcut> e : shortcuts.entrySet()) {
                final Shortcut shortcut = e.getValue();
                if (shortcut != null) {
                    setShortcutString(e.getKey(), shortcut.getCommand(), false);
                }
            }
        }
 
    };
 
    public Shortcuts(@NotNull final SpellsManager spellsManager) {
        this.spellsManager = spellsManager;
        for (final ShortcutSlot shortcutSlot : ShortcutSlot.values()) {
            shortcuts.put(shortcutSlot, null);
        }
        this.spellsManager.addCrossfireSpellChangedListener(spellsManagerListener);
    }
 
    public void clearShortcuts() {
        for (final ShortcutSlot shortcutSlot : ShortcutSlot.values()) {
            final Shortcut shortcut = shortcuts.get(shortcutSlot);
            if (shortcut != null) {
                for (ShortcutsListener listener : listeners) {
                    listener.shortcutRemoved(shortcutSlot, shortcut);
                }
                shortcut.dispose();
                shortcuts.put(shortcutSlot, null);
            }
        }
    }
 
    @Nullable
    public Shortcut getShortcut(@NotNull final ShortcutSlot shortcutSlot) {
        return shortcuts.get(shortcutSlot);
    }
 
    public void setShortcutString(@NotNull final ShortcutSlot shortcutSlot, @NotNull final String command, final boolean saveChanges) {
        final String command2 = command.trim();
        @Nullable final Spell spell;
        if (command2.isEmpty()) {
            spell = null;
        } else if (command2.startsWith("cast ")) {
            spell = spellsManager.getSpell(command2.substring(5).trim());
        } else if (command2.startsWith("invoke ")) {
            spell = spellsManager.getSpell(command2.substring(7).trim());
        } else {
            spell = null;
        }
 
        final Shortcut oldShortcut = shortcuts.get(shortcutSlot);
        if (oldShortcut != null) {
            for (ShortcutsListener listener : listeners) {
                listener.shortcutRemoved(shortcutSlot, oldShortcut);
            }
            oldShortcut.dispose();
        }
        final Shortcut newShortcut = command2.isEmpty() ? null : new Shortcut(command2, spell);
        shortcuts.put(shortcutSlot, newShortcut);
        if (newShortcut != null) {
            for (ShortcutsListener listener : listeners) {
                listener.shortcutAdded(shortcutSlot, newShortcut);
            }
        }
 
        if (saveChanges && file != null) {
            ShortcutsLoader.saveShortcuts(file, Collections.unmodifiableMap(shortcuts).values());
        }
    }
 
    public void addShortcutsListener(@NotNull final ShortcutsListener listener) {
        listeners.add(listener);
    }
 
    public void removeShortcutsListener(@NotNull final ShortcutsListener listener) {
        listeners.remove(listener);
    }
 
    @Nullable
    public Path getFile() {
        return file;
    }
 
    public void setFile(@Nullable final Path file) {
        this.file = file;
    }
 
    @NotNull
    @Override
    public Iterator<Shortcut> iterator() {
        return shortcuts.values().iterator();
    }
 
}