/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.worldedit.internal.command;
import com.sk89q.minecraft.util.commands.CommandException;
import com.sk89q.minecraft.util.commands.CommandLocals;
import com.sk89q.worldedit.extension.platform.Actor;
import com.sk89q.worldedit.extension.platform.Capability;
import com.sk89q.worldedit.extension.platform.MultiUserPlatform;
import com.sk89q.worldedit.extension.platform.Platform;
import com.sk89q.worldedit.extension.platform.PlatformManager;
import com.sk89q.worldedit.util.command.CommandCompleter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Provides the names of connected users as suggestions.
*/
public class UserCommandCompleter implements CommandCompleter {
private final PlatformManager platformManager;
/**
* Create a new instance.
*
* @param platformManager the platform manager
*/
public UserCommandCompleter(PlatformManager platformManager) {
checkNotNull(platformManager);
this.platformManager = platformManager;
}
@Override
public List<String> getSuggestions(String arguments, CommandLocals locals) throws CommandException {
Platform platform = platformManager.queryCapability(Capability.USER_COMMANDS);
if (platform instanceof MultiUserPlatform) {
List<String> suggestions = new ArrayList<String>();
Collection<Actor> users = ((MultiUserPlatform) platform).getConnectedUsers();
for (Actor user : users) {
if (user.getName().toLowerCase().startsWith(arguments.toLowerCase().trim())) {
suggestions.add(user.getName());
}
}
return suggestions;
} else {
return Collections.emptyList();
}
}
}