From b19774aca143b1f8a4a4382a8fd27180dca3c354 Mon Sep 17 00:00:00 2001
From: Frank van der Heijden <frank.boekanier@gmail.com>
Date: Fri, 7 Aug 2020 19:51:23 +0200
Subject: [PATCH 1/2] Add ClaimExtendEvent

---
 .../GriefPrevention/DataStore.java            |  6 ++
 .../events/ClaimExtendEvent.java              | 58 +++++++++++++++++++
 2 files changed, 64 insertions(+)
 create mode 100644 src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java

diff --git a/src/main/java/me/ryanhamshire/GriefPrevention/DataStore.java b/src/main/java/me/ryanhamshire/GriefPrevention/DataStore.java
index bd458ba7a..90c747363 100644
--- a/src/main/java/me/ryanhamshire/GriefPrevention/DataStore.java
+++ b/src/main/java/me/ryanhamshire/GriefPrevention/DataStore.java
@@ -21,6 +21,7 @@
 import com.google.common.io.Files;
 import me.ryanhamshire.GriefPrevention.events.ClaimCreatedEvent;
 import me.ryanhamshire.GriefPrevention.events.ClaimDeletedEvent;
+import me.ryanhamshire.GriefPrevention.events.ClaimExtendEvent;
 import me.ryanhamshire.GriefPrevention.events.ClaimModifiedEvent;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
@@ -1039,6 +1040,11 @@ synchronized public void extendClaim(Claim claim, int newDepth)
 
         if (claim.parent != null) claim = claim.parent;
 
+        //call event and return if event got cancelled
+        ClaimExtendEvent event = new ClaimExtendEvent(claim, newDepth);
+        Bukkit.getPluginManager().callEvent(event);
+        if (event.isCancelled()) return;
+
         //adjust to new depth
         claim.lesserBoundaryCorner.setY(newDepth);
         claim.greaterBoundaryCorner.setY(newDepth);
diff --git a/src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java b/src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java
new file mode 100644
index 000000000..bff920c2e
--- /dev/null
+++ b/src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java
@@ -0,0 +1,58 @@
+package me.ryanhamshire.GriefPrevention.events;
+
+import me.ryanhamshire.GriefPrevention.Claim;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+/**
+ * A cancellable event which is called when a claim is extended in the Y direction.
+ * @author FrankHeijden
+ */
+public class ClaimExtendEvent extends Event implements Cancellable
+{
+    private static final HandlerList handlers = new HandlerList();
+
+    public static HandlerList getHandlerList()
+    {
+        return handlers;
+    }
+
+    private final Claim claim;
+    private final int newDepth;
+    private boolean cancelled;
+
+    public ClaimExtendEvent(Claim claim, int newDepth)
+    {
+        this.claim = claim;
+        this.newDepth = newDepth;
+    }
+
+    @Override
+    public HandlerList getHandlers()
+    {
+        return handlers;
+    }
+
+    public Claim getClaim()
+    {
+        return claim;
+    }
+
+    public int getNewDepth()
+    {
+        return newDepth;
+    }
+
+    @Override
+    public boolean isCancelled()
+    {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled)
+    {
+        this.cancelled = cancelled;
+    }
+}

From 4dbdc3df5fbccee6b1af83e1d05c0e07a600e500 Mon Sep 17 00:00:00 2001
From: RoboMWM <RoboMWM@users.noreply.github.com>
Date: Fri, 7 Aug 2020 12:49:59 -0700
Subject: [PATCH 2/2] Update ClaimExtendEvent.java

---
 .../ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java b/src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java
index bff920c2e..cf6a648a6 100644
--- a/src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java
+++ b/src/main/java/me/ryanhamshire/GriefPrevention/events/ClaimExtendEvent.java
@@ -6,7 +6,7 @@
 import org.bukkit.event.HandlerList;
 
 /**
- * A cancellable event which is called when a claim is extended in the Y direction.
+ * A cancellable event which is called when a claim's depth (lower y bound) is about to be extended.
  * @author FrankHeijden
  */
 public class ClaimExtendEvent extends Event implements Cancellable