SomeListener

package com.bergerkiller.bukkit.fountains;

import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockFromToEvent;
import org.bukkit.event.block.BlockPhysicsEvent;

import com.bergerkiller.bukkit.common.collections.BlockMap;
import com.bergerkiller.bukkit.fountains.FountainController.FountainOptions;

public class SomeListener implements Listener {
    private BlockMap<Boolean> fountainActiveMap = new BlockMap<Boolean>();

    @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
    public void onBlockFromTo(BlockFromToEvent event) {
        event.setCancelled(FountainController.isNonSpreadingFountain(event.getBlock())
                || FountainController.isNonSpreadingFountain(event.getToBlock()));
    }

    @EventHandler(priority = EventPriority.LOWEST, ignoreCancelled = true)
    public void onSignBlockPhysics(BlockPhysicsEvent event) {
        FountainOptions opts = FountainOptions.fromSignBlock(event.getBlock());
        if (opts != null) {
            Boolean activeUpState = fountainActiveMap.get(event.getBlock());
            if (activeUpState == null || activeUpState.booleanValue() != opts.up) {
                fountainActiveMap.put(event.getBlock(), opts.up);
                FountainController.animate(FountainMain.plugin, event.getBlock().getRelative(0, 2, 0), opts);
            }
        } else if (FountainController.isNonSpreadingFountain(event.getBlock())) {
            event.setCancelled(true);
        }
    }
}