ChestPlate.java

package co.d3s.ylt.chestplate;

import org.bukkit.Effect;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.entity.Entity;
import org.bukkit.event.Cancellable;
import org.bukkit.event.Event;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.Event.Result;
import org.bukkit.event.block.Action;
import org.bukkit.event.block.BlockCanBuildEvent;
import org.bukkit.event.block.BlockPhysicsEvent;
import org.bukkit.event.entity.EntityInteractEvent;
import org.bukkit.event.player.PlayerInteractEvent;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.material.PressurePlate;
import org.bukkit.plugin.java.JavaPlugin;

import co.d3s.ylt.chestplate.plate.CP_Return;
import co.d3s.ylt.chestplate.plate.object.CP_Container;
import co.d3s.ylt.chestplate.plate.object.CP_Lift;
import co.d3s.ylt.chestplate.plate.object.CP_Object;
import co.d3s.ylt.chestplate.plate.object.CP_Sorter;
import co.d3s.ylt.chestplate.util.ItemMatcher;

public class ChestPlate extends JavaPlugin implements Listener {
    
    public CP_Object[] objects = {
        new CP_Sorter(this),
        new CP_Lift(this),
        new CP_Container(this)
    };
    
    public ItemMatcher itemmatch;
    public void onEnable() {
        getServer().getPluginManager().registerEvents(this, this);
        itemmatch = new ItemMatcher(this);
    }
    public void onDisable() {
        
    }
    
    
    @EventHandler(priority = EventPriority.HIGHEST)
    public void onPlayerInteract(PlayerInteractEvent event) {
            if (event.getAction() == Action.RIGHT_CLICK_BLOCK) {
                if (event.getClickedBlock().getState() instanceof InventoryHolder) {
                    if (event.getMaterial() == Material.WOOD_PLATE && event.getBlockFace() == BlockFace.UP) {
                        event.setUseItemInHand(Result.ALLOW);
                        event.setUseInteractedBlock(Result.DENY);
                    }
                    /* Didn't work - couldn't edit text
                     * if ((event.getMaterial() == Material.WALL_SIGN || event.getMaterial() == Material.SIGN) &&
                            (event.getBlockFace() == BlockFace.NORTH |
                            event.getBlockFace() == BlockFace.EAST |
                            event.getBlockFace() == BlockFace.SOUTH |
                            event.getBlockFace() == BlockFace.WEST)) {
                        event.setUseItemInHand(Result.ALLOW);
                        event.setUseInteractedBlock(Result.DENY);
                    }*/
                }
            }
            if (event.getAction() == Action.PHYSICAL && event.getClickedBlock() != null) {
                onInteract(event.getPlayer(), event.getClickedBlock(), event);
            }
    }
    
    @EventHandler(priority = EventPriority.HIGHEST)
    public void onEntityInteract(EntityInteractEvent event) {
        onInteract(event.getEntity(), event.getBlock(), event);
    }
    
    public void onInteract(Entity entity, Block plate, Cancellable event) {        
        if (plate.getType() != Material.WOOD_PLATE)
            return;
        out:
        for (CP_Object cpo : objects) {
            CP_Return ret = cpo.interact(plate, entity);
            switch(ret) {
                case cancel:
                    event.setCancelled(true);
                case done:
                    break out;
            }
        }
    }
    @EventHandler(priority = EventPriority.HIGHEST)
    public void onBlockCanBuild(BlockCanBuildEvent event) {
        if (event.isBuildable() == false && event.getMaterial() == Material.WOOD_PLATE) {
            if (event.getBlock().getRelative(BlockFace.DOWN).getState() instanceof InventoryHolder) {
                event.setBuildable(true);
            }
        }
    }
    
    @EventHandler(priority = EventPriority.HIGHEST)
    public void onBlockPhysics(BlockPhysicsEvent event) {
        if (event.isCancelled() == true) return;
        
        Block block = event.getBlock();
        if (block.getType() == Material.WOOD_PLATE) {
        //if (event.getChangedType() == Material.WOOD_PLATE)
            if (block.getRelative(BlockFace.DOWN).getState() instanceof InventoryHolder) {
                event.setCancelled(true);
            }
        }
    }
}