javafx: fqns in tag names (IDEA-100287)

plugins/javaFX/src/org/jetbrains/plugins/javaFX/fxml/JavaFxPsiUtil.java

@@ -21,6 +21,7 @@ import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.psi.*;
 import com.intellij.psi.impl.source.PostprocessReformattingAspect;
+import com.intellij.psi.search.GlobalSearchScope;
 import com.intellij.psi.util.InheritanceUtil;
 import com.intellij.psi.util.PropertyUtil;
 import com.intellij.psi.util.PsiTreeUtil;
@@ -82,7 +83,11 @@ public class JavaFxPsiUtil {
   }
 
   public static PsiClass findPsiClass(String name, XmlTag tag) {
-    return findPsiClass(name, parseImports((XmlFile)tag.getContainingFile()), tag, tag.getProject());
+    final Project project = tag.getProject();
+    if (!StringUtil.getShortName(name).equals(name)) {
+      return JavaPsiFacade.getInstance(project).findClass(name, GlobalSearchScope.allScope(project));
+    }
+    return findPsiClass(name, parseImports((XmlFile)tag.getContainingFile()), tag, project);
   }
 
   private static PsiClass findPsiClass(String name, List<String> imports, XmlTag tag, Project project) {
@@ -155,7 +160,11 @@ public class JavaFxPsiUtil {
 
   public static boolean isClassTag(String name) {
     final String shortName = StringUtil.getShortName(name);
-    return StringUtil.isCapitalized(name) && name.equals(shortName);
+    final boolean capitalized = StringUtil.isCapitalized(name);
+    if (name.equals(shortName)) {
+      return capitalized;
+    }
+    return !capitalized;
   }
 
   public static PsiMethod findPropertySetter(String attributeName, XmlTag context) {

plugins/javaFX/testData/highlighting/fQNtagNames.fxml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<javafx.scene.layout.AnchorPane xmlns:fx="http://javafx.com/fxml">
+</javafx.scene.layout.AnchorPane>

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

@@ -155,6 +155,10 @@ public class JavaFXHighlightingTest extends DaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testFQNtagNames() throws Exception {
+    doTest();
+  }
+
   @NotNull
   @Override
   protected String getTestDataPath() {