MainView.fxml

<?xml version="1.0" encoding="UTF-8"?>

<?import javafx.scene.layout.*?>

<AnchorPane xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="eu.lestard.snakefx.view.main.MainView">
    <children>
        <BorderPane id="BorderPane" fx:id="rootBorderPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
          <left>
            <fx:include source="../panel/PanelView.fxml" />
          </left>
          <top>
            <fx:include maxWidth="Infinity" source="../menu/MenuView.fxml" BorderPane.alignment="TOP_LEFT" />
          </top>
        </BorderPane>
    </children>
</AnchorPane>