javafx: accept static properties from super classes from classes in hierarchy

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

@@ -53,6 +53,12 @@ public class JavaFXHighlightingTest extends AbstractJavaFXTestCase {
     doTest();
   }
 
+  public void testStaticPropertiesCustomLayout() throws Exception {
+    myFixture.addClass("import javafx.scene.layout.GridPane;\n" +
+                       "public class MyGridPane extends GridPane {}\n");
+    myFixture.testHighlighting(false, false, false, getTestName(true) + ".fxml");
+  }
+
   public void testEnumValues() throws Exception {
     doTest();
   }

plugins/javaFX/src/org/jetbrains/plugins/javaFX/fxml/descriptors/JavaFxClassBackedElementDescriptor.java

@@ -113,7 +113,7 @@ public class JavaFxClassBackedElementDescriptor implements XmlElementDescriptor,
       if (descr instanceof JavaFxClassBackedElementDescriptor) {
         final PsiElement element = descr.getDeclaration();
         if (element instanceof PsiClass) {
-          for (PsiMethod method : ((PsiClass)element).getMethods()) {
+          for (PsiMethod method : ((PsiClass)element).getAllMethods()) {
             if (method.hasModifierProperty(PsiModifier.STATIC) && method.getName().startsWith("set")) {
               final PsiParameter[] parameters = method.getParameterList().getParameters();
               if (parameters.length == 2 && InheritanceUtil.isInheritor(parameters[0].getType(), JavaFxCommonClassNames.JAVAFX_SCENE_NODE)) {

plugins/javaFX/testData/highlighting/staticPropertiesCustomLayout.fxml

@@ -0,0 +1,7 @@
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.control.Button?>
+<?import MyGridPane?>
+<MyGridPane xmlns:fx="http://javafx.com/fxml" alignment="center" hgap="10" vgap="10">
+    <GridPane.columnIndex>1</GridPane.columnIndex>
+    <Button GridPane.columnIndex="0"/>
+</MyGridPane>