From a98aa7866b59e2466abf0f7b5237d2db97818188 Mon Sep 17 00:00:00 2001
From: Liana Bakradze <liana.bakradze@jetbrains.com>
Date: Wed, 9 Sep 2015 13:08:19 +0300
Subject: [PATCH] code cleanup

---
 .../coursecreator/actions/CCShowPreview.java  | 20 ++++++++-----------
 1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/python/educational/course-creator/src/com/jetbrains/edu/coursecreator/actions/CCShowPreview.java b/python/educational/course-creator/src/com/jetbrains/edu/coursecreator/actions/CCShowPreview.java
index ac02e7648b07..1c8654ce2bfa 100644
--- a/python/educational/course-creator/src/com/jetbrains/edu/coursecreator/actions/CCShowPreview.java
+++ b/python/educational/course-creator/src/com/jetbrains/edu/coursecreator/actions/CCShowPreview.java
@@ -27,8 +27,6 @@ import com.intellij.openapi.editor.EditorFactory;
 import com.intellij.openapi.editor.ex.EditorEx;
 import com.intellij.openapi.fileEditor.FileDocumentManager;
 import com.intellij.openapi.project.DumbAwareAction;
-import com.intellij.openapi.project.DumbModePermission;
-import com.intellij.openapi.project.DumbService;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.ui.FrameWrapper;
 import com.intellij.openapi.ui.Messages;
@@ -55,7 +53,7 @@ public class CCShowPreview extends DumbAwareAction {
   private static final Logger LOG = Logger.getInstance(CCShowPreview.class.getName());
 
   public CCShowPreview() {
-    super("Show Preview","Show Preview", null);
+    super("Show Preview", "Show Preview", null);
   }
 
   @Override
@@ -104,10 +102,13 @@ public class CCShowPreview extends DumbAwareAction {
     final TaskFile taskFileCopy = new TaskFile();
     TaskFile.copy(taskFile, taskFileCopy);
     final String taskFileName = CCProjectService.getRealTaskFileName(file.getVirtualFile().getName());
+    if (taskFileName == null) {
+      return;
+    }
     ApplicationManager.getApplication().runWriteAction(new Runnable() {
-        @Override
-        public void run() {
-          EduUtils.createStudentFileFromAnswer(project, taskDir.getVirtualFile(), taskDir.getVirtualFile(), taskFileName, taskFileCopy);
+      @Override
+      public void run() {
+        EduUtils.createStudentFileFromAnswer(project, taskDir.getVirtualFile(), taskDir.getVirtualFile(), taskFileName, taskFileCopy);
       }
     });
 
@@ -149,11 +150,6 @@ public class CCShowPreview extends DumbAwareAction {
     createdEditor.setCaretEnabled(false);
     showPreviewFrame.setComponent(labeledEditor);
     showPreviewFrame.setSize(new Dimension(500, 500));
-    DumbService.allowStartingDumbModeInside(DumbModePermission.MAY_START_BACKGROUND, new Runnable() {
-      @Override
-      public void run() {
-        showPreviewFrame.show();
-      }
-    });
+    showPreviewFrame.show();
   }
 }
\ No newline at end of file