VarCommand.java

package me.desht.scrollingmenusign.commands;

import java.util.List;
import java.util.UUID;

import me.desht.dhutils.MessagePager;
import me.desht.dhutils.MiscUtil;
import me.desht.scrollingmenusign.SMSException;
import me.desht.scrollingmenusign.ScrollingMenuSign;
import me.desht.scrollingmenusign.variables.SMSVariables;

import me.desht.scrollingmenusign.variables.VariablesManager;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.Plugin;

public class VarCommand extends SMSAbstractCommand {

    public VarCommand() {
        super("sms var", 1, 4);
        setPermissionNode("scrollingmenusign.commands.var");
        setUsage(new String[]{
                "/sms var -l [<player>]",
                "/sms var [-q] [<player>.]<variable> [<value>]",
                "/sms var [-q] -d [<player>.]<variable>",
                "/sms var [-q] -i [<player>.]<variable> [<amount>]",
        });
        setOptions("q", "l", "d", "i");
        setQuotedArgs(true);
    }

    @Override
    public boolean execute(Plugin plugin, CommandSender sender, String[] args) {
        VariablesManager varMgr = ((ScrollingMenuSign) plugin).getVariablesManager();

        if (getBooleanOption("l")) {
            listVariables(sender, args, varMgr);
            return true;
        }

        if (args.length == 0) {
            showUsage(sender);
            return true;
        }

        String varSpec = args[0];

        boolean quiet = getBooleanOption("q");

        if (getBooleanOption("d")) {
            // delete the variable
            varMgr.set(sender, varSpec, null);
            if (!quiet)
                MiscUtil.statusMessage(sender, "Deleted variable &f" + varSpec + "&-");
        } else if (getBooleanOption("i")) {
            // add a numeric quantity to the variable
            try {
                int val = Integer.parseInt(varMgr.get(sender, varSpec));
                int incr = args.length >= 2 ? Integer.parseInt(args[1]) : 1;
                varMgr.set(sender, varSpec, Integer.toString(val + incr));
                if (!quiet)
                    MiscUtil.statusMessage(sender, varSpec + " = '&e" + (val + incr) + "&f'");
            } catch (NumberFormatException e) {
                throw new SMSException(e.getMessage() + ": not a number");
            }
        } else if (args.length >= 2) {
            // set the variable
            varMgr.set(sender, varSpec, args[1]);
            if (!quiet) {
                MiscUtil.statusMessage(sender, varSpec + " = '&e" + args[1] + "&f'");
            }
        } else {
            // just display the variable
            String def = varMgr.isSet(sender, varSpec) ? "" : " &6(default)";
            String val = varMgr.get(sender, varSpec);
            MiscUtil.statusMessage(sender, varSpec + " = '&e" + val + "&f'" + def);
        }

        return true;
    }

    private void listVariables(CommandSender sender, String[] args, VariablesManager varMgr) {
        // list all variables for the player
        UUID id;
        if (args.length == 0) {
            id = sender instanceof Player ? ((Player) sender).getUniqueId() : VariablesManager.GLOBAL_UUID;
        } else {
            id = varMgr.getIDFromString(args[0]);
        }
        SMSVariables vars = varMgr.getVariables(id, false);
        MessagePager pager = MessagePager.getPager(sender).clear().setParseColours(true);
        for (String key : vars.getVariables()) {
            pager.add(key + " = '&e" + vars.get(key) + "&-'");
        }
        pager.showPage();
    }

    public List<String> onTabComplete(Plugin plugin, CommandSender sender, String[] args) {
        showUsage(sender);
        return noCompletions(sender);
    }
}