UnbindCommand.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.commands;
 
import com.realtime.crossfire.jxclient.gui.textinput.CommandCallback;
import com.realtime.crossfire.jxclient.server.crossfire.CrossfireServerConnection;
import org.jetbrains.annotations.NotNull;
 
public class UnbindCommand extends AbstractCommand {
 
    @NotNull
    private final CommandCallback commandCallback;
 
    public UnbindCommand(@NotNull final CommandCallback commandCallback, @NotNull final CrossfireServerConnection crossfireServerConnection) {
        super("unbind", crossfireServerConnection);
        this.commandCallback = commandCallback;
    }
 
    @Override
    public boolean allArguments() {
        return false;
    }
 
    @Override
    public void execute(@NotNull final String args) {
        final CharSequence commands;
        final boolean perCharacterBinding;
        if (args.equals("-c")) {
            perCharacterBinding = true;
            commands = "";
        } else if (args.startsWith("-c ")) {
            perCharacterBinding = true;
            commands = args.substring(3).trim();
        } else {
            perCharacterBinding = false;
            commands = args;
        }
 
        if (commands.length() != 0) {
            drawInfoError("No arguments allowed.");
            return;
        }
 
        if (!commandCallback.removeKeyBinding(perCharacterBinding)) {
            drawInfoError("Cannot use unbind -c since no character is logged in.");
            //noinspection UnnecessaryReturnStatement
            return;
        }
    }
 
    @NotNull
    @Override
    public String getHelp() {
        //noinspection StringBufferReplaceableByString
        final StringBuilder sb = new StringBuilder();
        sb.append("Unbinds a command from a key\n");
        sb.append("\n");
        sb.append("Usage: unbind\n");
        sb.append("Usage: unbind -c\n");
        sb.append("\n");
        sb.append("Asks the user for a key, then de-associates the key from its bound command.\n");
        sb.append("If the option -c is used, the key is unbound only from the current character. Otherwise the key is unbound from all characters on all Crossfire servers.\n");
        sb.append("To abort an unbind command, press ESC.\n");
        sb.append("Note: Bind a key: bind\n");
        return sb.toString();
    }
 
}