Call ToolUseEvent when a tool is about to be used

src/main/java/de/diddiz/LogBlock/events/ToolUseEvent.java

@@ -0,0 +1,59 @@
+package de.diddiz.LogBlock.events;
+
+import de.diddiz.LogBlock.QueryParams;
+import de.diddiz.LogBlock.Tool;
+import de.diddiz.LogBlock.ToolBehavior;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
+import org.bukkit.event.player.PlayerEvent;
+
+/**
+ * Fired whether a tool is about to be used by a player.
+ */
+public class ToolUseEvent extends PlayerEvent implements Cancellable {
+
+    private static final HandlerList handlers = new HandlerList();
+    private boolean cancel;
+    private final Tool tool;
+    private final ToolBehavior behavior;
+    private final QueryParams params;
+
+    public ToolUseEvent(Player who, Tool tool, ToolBehavior behavior, QueryParams params) {
+        super(who);
+        this.tool = tool;
+        this.behavior = behavior;
+        this.params = params;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancel;
+    }
+
+    @Override
+    public void setCancelled(boolean cancel) {
+        this.cancel = cancel;
+    }
+
+    public Tool getTool() {
+        return tool;
+    }
+
+    public ToolBehavior getBehavior() {
+        return behavior;
+    }
+
+    public QueryParams getParams() {
+        return params;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}

src/main/java/de/diddiz/LogBlock/listeners/ToolListener.java

@@ -1,6 +1,7 @@
 package de.diddiz.LogBlock.listeners;
 
 import de.diddiz.LogBlock.*;
+import de.diddiz.LogBlock.events.ToolUseEvent;
 import de.diddiz.util.BukkitUtils;
 import de.diddiz.util.CuboidRegion;
 import org.bukkit.ChatColor;
@@ -65,6 +66,9 @@ public class ToolListener implements Listener {
                     }
                     try {
                         params.validate();
+                        if (this.callToolUseEvent(new ToolUseEvent(player, tool, behavior, params))) {
+                            return;
+                        }
                         if (toolData.mode == ToolMode.ROLLBACK) {
                             handler.new CommandRollback(player, params, true);
                         } else if (toolData.mode == ToolMode.REDO) {
@@ -85,6 +89,11 @@ public class ToolListener implements Listener {
         }
     }
 
+    private boolean callToolUseEvent(ToolUseEvent event) {
+        this.logblock.getServer().getPluginManager().callEvent(event);
+        return event.isCancelled();
+    }
+
     @EventHandler
     public void onPlayerChangedWorld(PlayerChangedWorldEvent event) {
         final Player player = event.getPlayer();