Merge pull request #2069 from Haehnchen/feature/more-preview

fix more preview intention features breaks: Exceptions occurred on in…

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/intentions/php/PhpServiceIntention.java

@@ -2,6 +2,7 @@
 
 import com.intellij.codeInsight.intention.FileModifier;
 import com.intellij.codeInsight.intention.PsiElementBaseIntentionAction;
+import com.intellij.codeInsight.intention.preview.IntentionPreviewInfo;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
@@ -24,6 +25,11 @@ public class PhpServiceIntention extends PsiElementBaseIntentionAction {
         return null;
     }
 
+    @Override
+    public @NotNull IntentionPreviewInfo generatePreview(@NotNull Project project, @NotNull Editor editor, @NotNull PsiFile file) {
+        return IntentionPreviewInfo.EMPTY;
+    }
+
     @Override
     public void invoke(@NotNull Project project, Editor editor, @NotNull PsiElement psiElement) throws IncorrectOperationException {