Javafx: Allow to use fx:id of a node in expressions within the same node - test added (IDEA-161627)

plugins/javaFX/javaFX-CE/testSrc/org/jetbrains/plugins/javaFX/fxml/JavaFXHighlightingTest.java

@@ -496,6 +496,11 @@ public class JavaFXHighlightingTest extends AbstractJavaFXTestCase {
     doTest();
   }
 
+  public void testFxIdUsedInSameNode() throws Exception {
+    myFixture.configureByFiles(getTestName(true) + ".fxml", getTestName(false) + ".java");
+    doTest();
+  }
+
   private void doTest() throws Exception {
     myFixture.testHighlighting(false, false, false, getTestName(true) + ".fxml");
   }

plugins/javaFX/testData/highlighting/FxIdUsedInSameNode.java

@@ -0,0 +1,7 @@
+import javafx.fxml.FXML;
+import javafx.scene.layout.HBox;
+
+public class FxIdUsedInSameNode {
+  @FXML
+  private HBox navigationPane;
+}

plugins/javaFX/testData/highlighting/fxIdUsedInSameNode.fxml

@@ -0,0 +1,9 @@
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.HBox?>
+<GridPane fx:controller="FxIdUsedInSameNode"
+          xmlns:fx="http://javafx.com/fxml" alignment="center" hgap="10" vgap="10">
+  <HBox fx:id="navigationPane" id="navigationPane" managed="${navigationPane.visible}">
+    <Label text="Hi"/>
+  </HBox>
+</GridPane>