Version 5.0.0 beta 3

system/Node/Controller.php

@@ -143,9 +143,17 @@ class Controller extends DispatcherController
 			$this->protectRoots = TRUE;
 		}
 					
-		$tree = new Tree( $this->url, $nodeClass::$nodeTitle, array( $this, '_getRoots' ), array( $this, '_getRow' ), array( $this, '_getRowParentId' ), array( $this, '_getChildren' ), array( $this, '_getRootButtons' ), TRUE, $this->lockParents, $this->protectRoots );
+		$tree = new Tree( $this->url, $nodeClass::$nodeTitle, array( $this, '_getRoots' ), array( $this, '_getRow' ), array( $this, '_getRowParentId' ), array( $this, '_getChildren' ), array( $this, '_getRootButtons' ), TRUE, $this->lockParents, $this->protectRoots, $this->_getRootsPerPage(), array( $this, '_getTotalRoots' ) );
 		Output::i()->output .= $tree;
 	}
+
+	/**
+	 * @return int|null
+	 */
+	public function _getRootsPerPage(): ?int
+	{
+		return null;
+	}
 	
 	/**
 	 * Get Root Rows
@@ -163,7 +171,16 @@ class Controller extends DispatcherController
 		
 		return $rows;
 	}
-	
+
+	/**
+	 * @return int
+	 */
+	public function _getTotalRoots(): int
+	{
+		$nodeClass = $this->nodeClass;
+		return count( $nodeClass::roots( NULL ) );
+	}
+
 	/**
 	 * Show the "add" button in the page root rather than the table root
 	 */
@@ -460,7 +477,7 @@ class Controller extends DispatcherController
 				if ( $new and isset( $node::$databaseColumnOrder ) AND $node::$automaticPositionDetermination === TRUE )
 				{
 					$orderColumn = $node::$databaseColumnOrder;
-					$node->$orderColumn = Db::i()->select( 'MAX(' . $node::$databasePrefix . $orderColumn . ')', $node::$databaseTable  )->first() + 1;
+					$node->$orderColumn = intval( Db::i()->select( 'MAX(' . $node::$databasePrefix . $orderColumn . ')', $node::$databaseTable  )->first() ) + 1;
 				}
 				
 				$old = NULL;

system/Node/Model.php

@@ -964,7 +964,7 @@ abstract class Model extends ActiveRecord
 	protected function get__position(): int|null
 	{
 		$orderColumn = static::$databaseColumnOrder;
-		return $this->$orderColumn;
+		return (int) $this->$orderColumn;
 	}
 
 	/**