com.avatarproject.core.command.CommandHelp.java Source code

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Here is the source code for com.avatarproject.core.command.CommandHelp.java

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/*******************************************************************************
 * AvatarProject Core
 * Copyright (C) 2016  (AvatarProject), (jedk1)
 *
 * 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.avatarproject.core.command;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;

import org.apache.commons.lang3.text.WordUtils;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

import com.avatarproject.core.lang.Strings;

import net.md_5.bungee.api.ChatColor;
import net.md_5.bungee.api.chat.ClickEvent;
import net.md_5.bungee.api.chat.ComponentBuilder;
import net.md_5.bungee.api.chat.HoverEvent;
import net.md_5.bungee.api.chat.TextComponent;

public class CommandHelp extends APCommand {

    public CommandHelp() {
        super("help", "/avatar help [page|command]",
                "Shows all the available commands, and indepth help on each command.", new String[] { "help", "h" },
                new String[][] { new String[] { "%custom" } });
    }

    @Override
    public void execute(CommandSender sender, List<String> args) {
        if (!isPlayer(sender) || !hasPermission(sender) || !correctLength(sender, args.size(), 0, 1)) {
            return;
        }

        Player player = (Player) sender;
        List<String> order = new ArrayList<String>();
        HashMap<String, TextComponent> components = new HashMap<String, TextComponent>();
        for (APCommand command : instances.values()) {
            if (hasPermissionHelp(sender, command.getName())) {
                TextComponent tc = new TextComponent(ChatColor.GRAY + command.getProperUse());
                String tooltip = WordUtils.wrap(ChatColor.GRAY + command.getDescription(), 40,
                        "\n" + ChatColor.GRAY, false);
                tc.setHoverEvent(
                        new HoverEvent(HoverEvent.Action.SHOW_TEXT, new ComponentBuilder(tooltip).create()));
                tc.setClickEvent(new ClickEvent(ClickEvent.Action.SUGGEST_COMMAND, command.getProperUse()));
                order.add(command.getName());
                components.put(command.getName(), tc);
            }
        }
        order.remove(APCommand.instances.get("help").getName());
        Collections.sort(order);
        Collections.reverse(order);
        order.add(APCommand.instances.get("help").getName());
        Collections.reverse(order);

        List<TextComponent> neworder = new ArrayList<TextComponent>();
        for (String s : order) {
            neworder.add(components.get(s));
        }

        if (args.size() == 0 || isNumeric(args.get(0))) {
            int page = 0;
            if (args.size() > 0 && isNumeric(args.get(0))) {
                page = Integer.valueOf(args.get(0)) - 1;
            }
            for (TextComponent tc : getPage(Strings.COMMAND_HELP_TITLE.toString(), page, neworder)) {
                player.spigot().sendMessage(tc);
            }
            return;
        }

        String arg = args.get(0);
        if (instances.keySet().contains(arg.toLowerCase())) {
            instances.get(arg).help(sender, true);
        } else {
            sender.sendMessage("Invalid command!");
        }
    }

    private boolean hasPermissionHelp(CommandSender sender, String permission) {
        return sender.hasPermission("avatar.command." + permission);
    }

    @Override
    public String[] tabComplete(CommandSender sender, String[] args) {
        if (args.length == 2) {
            List<String> cmds = new ArrayList<>();
            instances.values().stream().filter(command -> hasPermission(sender, command.getName()))
                    .forEach(command -> cmds.add(command.getName()));
            return cmds.toArray(new String[cmds.size()]);
        }
        return null;
    }
}