RemoveViewCommand.java

package me.desht.scrollingmenusign.commands;

import java.util.List;

import me.desht.dhutils.MiscUtil;
import me.desht.dhutils.PermissionUtils;
import me.desht.scrollingmenusign.SMSException;
import me.desht.scrollingmenusign.SMSValidate;
import me.desht.scrollingmenusign.ScrollingMenuSign;
import me.desht.scrollingmenusign.views.ActiveItem;
import me.desht.scrollingmenusign.views.SMSMapView;
import me.desht.scrollingmenusign.views.SMSView;
import me.desht.scrollingmenusign.views.ViewManager;

import org.bukkit.ChatColor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.ItemFrame;
import org.bukkit.entity.Player;
import org.bukkit.inventory.ItemStack;
import org.bukkit.plugin.Plugin;

public class RemoveViewCommand extends SMSAbstractCommand {

    public RemoveViewCommand() {
        super("sms break", 0, 2);
        setPermissionNode("scrollingmenusign.commands.break");
        setUsage(new String[]{
                "/sms break",
                "/sms break <view-name>",
                "/sms break -loc <x,y,z,world>",
                "/sms break -item",
                "/sms break -frame",
        });
        setOptions("loc:s", "view:s", "item", "frame");
    }

    @Override
    public boolean execute(Plugin plugin, CommandSender sender, String[] args) {
        SMSView view = null;
        ViewManager viewManager = getViewManager(plugin);

        if (args.length == 0) {
            notFromConsole(sender);
            Player player = (Player) sender;
            if (hasOption("item")) {
                // deactivating an active item
                ActiveItem item = new ActiveItem(player.getItemInHand());
                item.deactivate();
                player.setItemInHand(item.toItemStack());
                MiscUtil.statusMessage(sender, "Deactivated held item: " + ChatColor.GOLD + player.getItemInHand().getType());
                return true;
            } else if (hasOption("frame")) {
                ItemFrame frame = viewManager.findMapFrame(player.getTargetBlock(null, ScrollingMenuSign.BLOCK_TARGET_DIST), player.getEyeLocation());
                if (frame != null) {
                    ItemStack stack = frame.getItem();
                    SMSMapView mv = viewManager.getMapViewForId(stack.getDurability());
                    frame.getWorld().dropItemNaturally(frame.getLocation(), stack);
                    frame.setItem(null);
                    MiscUtil.statusMessage(player, "Removed map for menu &e" + mv.getNativeMenu().getName() + "&- from the item frame.");
                    return true;
                } else {
                    throw new SMSException("There is no item frame with a map view there.");
                }
            } else {
                // detaching a view that the player is looking at?
                view = viewManager.getTargetedView(player, true);
            }
        } else if (args.length == 1) {
            // detaching a view by view name
            view = getView(sender, args[0]);
        } else if (hasOption("loc")) {
            // detaching a view by location
            try {
                view = viewManager.getViewForLocation(MiscUtil.parseLocation(getStringOption("loc"), sender));
            } catch (IllegalArgumentException e) {
                throw new SMSException(e.getMessage());
            }
        }

        SMSValidate.notNull(view, "No suitable view found to remove.");
        PermissionUtils.requirePerms(sender, "scrollingmenusign.use." + view.getType());
        view.ensureAllowedToModify(sender);

        if (sender instanceof Player) {
            Player player = (Player) sender;
            if (view == viewManager.getHeldMapView(player)) {
                ((SMSMapView) view).removeMapItemName(player.getItemInHand());
            }
        }
        viewManager.deleteView(view, true);
        MiscUtil.statusMessage(sender, String.format("Removed &9%s&- view &e%s&- from menu &e%s&-.",
                view.getType(), view.getName(), view.getNativeMenu().getName()));

        return true;
    }

    @Override
    public List<String> onTabComplete(Plugin plugin, CommandSender sender, String[] args) {
        switch (args.length) {
            case 1:
                return getViewCompletions(sender, args[0]);
            default:
                return noCompletions(sender);
        }
    }
}