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POJavaFX - Wrapping FXML to Java Class Controller
 

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    <p>I have a FXML file that has a TreeView control:</p> <pre><code>&lt;AnchorPane id="AnchorPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="500.0" xmlns:fx="http://javafx.com/fxml" fx:controller="test.MyControllerClass"&gt; &lt;TreeView fx:id="locationTreeView" layoutX="12.0" layoutY="158.0" prefHeight="193.0" prefWidth="471.0" /&gt; </code></pre> <p>Then my Java Class Controller needs to wrap with this TreeView and add TreeItem's dynamically. That's the problem, it isn't loading those TreeItem's. That's the test code below, from my Controller:</p> <pre><code>public class MyControllerClass extends Application { @FXML private TreeView&lt;String&gt; locationTreeView; @Override public void start(Stage stage) throws Exception { stage.initStyle(StageStyle.TRANSPARENT); stage.getIcons().add(new Image(getClass().getResourceAsStream("myIcon.png"))); Parent root = FXMLLoader.load(getClass().getResource("myInterface.fxml")); Scene scene = new Scene(root); stage.setScene(scene); loadTreeItems(); stage.show(); } // Just a simple example that still doesn't works private void loadTreeItems() { try { TreeItem&lt;String&gt; root = new TreeItem&lt;String&gt;("Root Node"); root.setExpanded(true); root.getChildren().addAll( new TreeItem&lt;String&gt;("Item 1"), new TreeItem&lt;String&gt;("Item 2"), new TreeItem&lt;String&gt;("Item 3") ); locationTreeView = new TreeView&lt;String&gt;(root); } catch (Exception exc) { System.out.println("Error: " + exc.getMessage()); } } public static void main(String[] args) { launch(args); } } </code></pre> <p>Any ideas why its not working?</p>
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