ListenerClass

package me.yhl;

import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.inventory.InventoryClickEvent;

public class ListenerClass implements Listener {
AnimationTimer at = new AnimationTimer(Miner.getInstance());




	@SuppressWarnings("static-access")
	@EventHandler
	public void onInventoryInteract(InventoryClickEvent e){
		Player p = (Player) e.getWhoClicked();
		at.t.put(p, false);


		if(e.getInventory().getTitle().equals(ChatColor.GOLD + "" + ChatColor.BOLD + p.getName() + "'s Miner")){

			if(e.getSlot() == 29){


				if(p.hasPermission("Miner.use")){
				if(at.t.get(p) == false){
					p.sendMessage(": " + at.t.get(p));
					at.getItem(Material.DIAMOND_BLOCK, "&3&lON", e.getInventory(), 29);
					at.t.put(p, true);
					p.sendMessage(": " + at.t.get(p));
				} else if(at.t.get(p) == true){
					at.getItem(Material.REDSTONE_BLOCK, "&c&lOFF", e.getInventory(), 29);
					p.sendMessage(": " + at.t.get(p));
					at.t.put(p, false);
					p.sendMessage(": " + at.t.get(p));
				}
				} else{
					p.sendMessage(ChatColor.DARK_RED + "You do not have permission to do this.");
					e.setCancelled(true);
					return;
				}
			}

		if(e.getSlot() == 31){



			if(e.getCurrentItem().getType() == Material.COAL){

				at.getItem(Material.IRON_INGOT, "&7&lIRON", e.getInventory(), 31);
					p.updateInventory();
				} else if(e.getCurrentItem().getType() == Material.IRON_INGOT){

					at.getItem(Material.GOLD_INGOT, "&6&lGOLD", e.getInventory(), 31);
				} else if(e.getCurrentItem().getType() == Material.GOLD_INGOT){

					at.getItem(Material.DIAMOND, "&3&lDIAMOND", e.getInventory(), 31);
				} else if(e.getCurrentItem().getType() == Material.DIAMOND){

					at.getItem(Material.COAL, "&4&lCOAL", e.getInventory(), 31);
				}
			}

		e.setCancelled(true);
		}

	}

}