StandardBlockService.java

package com.comphenix.xp.mods;

import org.bukkit.Material;
import org.bukkit.event.inventory.InventoryClickEvent;
import org.bukkit.event.inventory.InventoryType;
import org.bukkit.event.inventory.InventoryType.SlotType;

import com.comphenix.xp.ActionTypes;
import com.comphenix.xp.extra.PermissionSystem.CustomPermission;
import com.comphenix.xp.lookup.ItemQuery;

public class StandardBlockService implements BlockService {
	/**
	 * Name of this service.
	 */
	public static String NAME = "STANDARD";
	
	@Override
	public BlockResponse processClickEvent(InventoryClickEvent event, ItemQuery block) {

		// Crafting, smelting and potion check
		boolean isCraftResult = event.getSlotType() == SlotType.RESULT;
		boolean isPotionResult = event.getRawSlot() < 3;
		
		// Empty slots are ignored
		if (!BlockResponse.hasCurrentItem(event))
			return BlockResponse.FAILURE;
		
		InventoryType type = event.getInventory().getType();
		
		// Handle different types
		switch (type) {
			case BREWING:
				// Make sure this is a potion result slot
				if (isPotionResult && match(block, Material.BREWING_STAND)) {
					return new BlockResponse(type, ActionTypes.BREWING, CustomPermission.REWARDS_BREWING.getBukkitPerm());
				}
				break;
				
			case CRAFTING:		
				// Player crafting - meaning that the block query is irrelevant
				if (isCraftResult) {
					return new BlockResponse(type, ActionTypes.CRAFTING, CustomPermission.REWARDS_CRAFTING.getBukkitPerm());
				}
				break;
				
			case WORKBENCH:
				if (isCraftResult && match(block, Material.WORKBENCH)) {
					return new BlockResponse(type, ActionTypes.CRAFTING, CustomPermission.REWARDS_CRAFTING.getBukkitPerm());
				}
				break;
				
			case FURNACE:
				if (isCraftResult && match(block, Material.FURNACE, Material.BURNING_FURNACE)) {
					return new BlockResponse(type, ActionTypes.SMELTING, CustomPermission.REWARDS_SMELTING.getBukkitPerm());
				}
				break;
				
			default:
				// Invalid
				break;
		}
		
		// Unable to process block
		return BlockResponse.FAILURE;
	}
	
	// Check the given block
	private boolean match(ItemQuery block, Material... materials) {
		// If we don't have a block, we've failed to record the last interaction - but we'll still
		// accept standard actions.
		if (block == null)
			return true;
		
		// Find a match
		for (Material mat : materials) {
			if (block.match(mat))
				return true;
		}
		
		return false;
	}
	
	@Override
	public String getServiceName() {
		return NAME;
	}
}