com.titankingdoms.dev.titanchat.command.defaults.HelpCommand.java Source code

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Here is the source code for com.titankingdoms.dev.titanchat.command.defaults.HelpCommand.java

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/*
 *     Copyright (C) 2013  Nodin Chan <nodinchan@live.com>
 *     
 *     This program 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 3 of the License, or
 *     (at your option) any later version.
 *     
 *     This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.titankingdoms.dev.titanchat.command.defaults;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.lang.math.NumberUtils;
import org.bukkit.command.CommandSender;

import com.titankingdoms.dev.titanchat.command.Command;
import com.titankingdoms.dev.titanchat.format.ChatUtils;
import com.titankingdoms.dev.titanchat.format.Format;
import com.titankingdoms.dev.titanchat.topic.Index;
import com.titankingdoms.dev.titanchat.topic.Topic;
import com.titankingdoms.dev.titanchat.topic.TopicManager;
import com.titankingdoms.dev.titanchat.util.vault.Vault;

/**
 * {@link HelpCommand} - Command for getting information about TitanChat
 * 
 * @author NodinChan
 *
 */
public final class HelpCommand extends Command {

    public HelpCommand() {
        super("Help");
        setAliases("?", "topic");
        setArgumentRange(0, 1024);
        setDescription("Get information about TitanChat");
        setUsage("[topic|page]...");
    }

    @Override
    public void execute(CommandSender sender, String[] args) {
        TopicManager manager = plugin.getTopicManager();

        Topic topic = manager.getGeneralIndex();
        int page = 1;
        int pageWidth = manager.getConfig().getInt("page.width", 50);
        int pageHeight = manager.getConfig().getInt("page.height", 9);

        if (args != null && args.length > 0) {
            for (String arg : args) {
                if (!NumberUtils.isNumber(arg)) {
                    if (topic instanceof Index) {
                        topic = ((Index) topic).getTopic(arg);

                        if (topic == null) {
                            sendMessage(sender, "&4Topic not found");
                            return;
                        }

                        if (!Vault.hasPermission(sender, "TitanChat.topic." + topic.getName())) {
                            sendMessage(sender, "&4You do not have permission to view this topic");
                            return;
                        }

                    } else {
                        break;
                    }

                } else {
                    page = NumberUtils.toInt(arg);
                    break;
                }
            }
        }

        String[][] pages = ChatUtils.paginate(Format.colourise(topic.getInformation()), pageWidth, pageHeight);
        String header = topic.getName() + " (" + page + "/" + pages.length + ")";

        if (page < 1)
            page = 1;

        if (page > pages.length)
            page = pages.length;

        sendMessage(sender, "&b" + StringUtils.center(" " + header + " ", pageWidth, '='));
        sendMessage(sender, pages[page - 1]);
    }

    @Override
    public boolean permissionCheck(CommandSender sender) {
        return true;
    }
}