Prevents sign editing from triggering when changing a sign line

src/main/java/net/knarcraft/placeholdersigns/listener/SignClickListener.java

@@ -39,6 +39,9 @@ public class SignClickListener implements Listener {
             return;
         }
 
+        // Cancel the event to prevent vanilla behavior
+        event.setCancelled(true);
+
         String[] lines = sign.getSide(Side.FRONT).getLines();
         lines[request.line()] = request.text();
 

src/main/java/net/knarcraft/placeholdersigns/listener/SignTextListener.java

@@ -19,7 +19,7 @@ import java.util.Map;
 public class SignTextListener implements Listener {
 
     @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
-    public void onSignCreate(SignChangeEvent event) {
+    public void onSignCreateOrEdit(SignChangeEvent event) {
         // Only check for placeholders if the player is allowed to
         if (!event.getPlayer().hasPermission("placeholdersigns.placeholder")) {
             return;