IDEA-140717 Opened form files are not opened in UI designer after restart

plugins/ui-designer/src/META-INF/plugin.xml

@@ -148,7 +148,6 @@
   <project-components>
     <component>
       <implementation-class>com.intellij.uiDesigner.propertyInspector.DesignerToolWindowManager</implementation-class>
-      <headless-implementation-class></headless-implementation-class>
       <skipForDefaultProject/>
     </component>
     <component>

plugins/ui-designer/src/com/intellij/uiDesigner/editor/UIFormEditor.java

@@ -23,6 +23,7 @@ import com.intellij.openapi.fileEditor.*;
 import com.intellij.openapi.fileTypes.StdFileTypes;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.module.ModuleUtilCore;
+import com.intellij.openapi.project.PossiblyDumbAware;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.util.UserDataHolderBase;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -42,7 +43,7 @@ import java.util.ArrayList;
  * @author Anton Katilin
  * @author Vladimir Kondratyev
  */
-public final class UIFormEditor extends UserDataHolderBase implements /*Navigatable*/FileEditor {
+public final class UIFormEditor extends UserDataHolderBase implements FileEditor, PossiblyDumbAware {
   private final VirtualFile myFile;
   private final GuiEditor myEditor;
   private UIFormEditor.MyBackgroundEditorHighlighter myBackgroundEditorHighlighter;
@@ -156,6 +157,11 @@ public final class UIFormEditor extends UserDataHolderBase implements /*Navigata
     return null;
   }
 
+  @Override
+  public boolean isDumbAware() {
+    return false;
+  }
+
   /*
   public boolean canNavigateTo(@NotNull final Navigatable navigatable) {
     if (navigatable instanceof ComponentNavigatable) {

plugins/ui-designer/src/com/intellij/uiDesigner/editor/UIFormEditorProvider.java

@@ -22,6 +22,7 @@ import com.intellij.openapi.fileEditor.FileEditorProvider;
 import com.intellij.openapi.fileEditor.FileEditorState;
 import com.intellij.openapi.fileTypes.StdFileTypes;
 import com.intellij.openapi.module.ModuleUtil;
+import com.intellij.openapi.project.DumbAware;
 import com.intellij.openapi.project.Project;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.testFramework.LightVirtualFile;
@@ -29,7 +30,7 @@ import com.intellij.util.ArrayUtil;
 import org.jdom.Element;
 import org.jetbrains.annotations.NotNull;
 
-public final class UIFormEditorProvider implements FileEditorProvider {
+public final class UIFormEditorProvider implements FileEditorProvider, DumbAware {
   private static final Logger LOG = Logger.getInstance("#com.intellij.uiDesigner.editor.UIFormEditorProvider");
 
   public boolean accept(@NotNull final Project project, @NotNull final VirtualFile file){

plugins/ui-designer/testSrc/com/intellij/uiDesigner/FormOpeningTest.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2000-2016 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.uiDesigner;
+
+import com.intellij.openapi.application.PluginPathManager;
+import com.intellij.openapi.fileEditor.FileEditor;
+import com.intellij.openapi.fileEditor.ex.FileEditorManagerEx;
+import com.intellij.openapi.fileEditor.impl.EditorWindow;
+import com.intellij.openapi.project.DumbService;
+import com.intellij.openapi.project.DumbServiceImpl;
+import com.intellij.openapi.project.DumbUnawareHider;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.testFramework.FileEditorManagerTestCase;
+import com.intellij.uiDesigner.designSurface.GuiEditor;
+import com.intellij.uiDesigner.editor.UIFormEditor;
+
+import javax.swing.*;
+import java.awt.*;
+
+/**
+ * @author Dmitry Avdeev
+ */
+public class FormOpeningTest extends FileEditorManagerTestCase {
+
+  public void testOpenInDumbMode() throws Exception {
+
+    FileEditorManagerEx editorManager = FileEditorManagerEx.getInstanceEx(getProject());
+    VirtualFile file = myFixture.copyFileToProject("TestBorder.form");
+    DumbServiceImpl dumbService = (DumbServiceImpl)DumbService.getInstance(getProject());
+    dumbService.setDumb(true);
+    try {
+      FileEditor[] editors = editorManager.openFile(file, true);
+      assertEquals(1, editors.length);
+      assertInstanceOf(editors[0], UIFormEditor.class);
+      JComponent component = getEditorComponent();
+      assertInstanceOf(component, DumbUnawareHider.class);
+      assertEquals(2, component.getComponentCount());
+
+      Component editorComponent = component.getComponents()[0];
+      assertInstanceOf(editorComponent, GuiEditor.class);
+      assertFalse(editorComponent.isVisible());
+
+      dumbService.setDumb(false);
+      assertTrue(editorComponent.isVisible());
+    }
+    finally {
+      dumbService.setDumb(false);
+    }
+  }
+
+  private JComponent getEditorComponent() {
+    FileEditorManagerEx editorManager = FileEditorManagerEx.getInstanceEx(getProject());
+    EditorWindow window = editorManager.getSplitters().getCurrentWindow();
+    return (JComponent)((JComponent)window.getSelectedEditor().getComponent().getComponents()[0]).getComponents()[0];
+  }
+
+  @Override
+  protected String getTestDataPath() {
+    return PluginPathManager.getPluginHomePath("ui-designer") + "/testData";
+  }
+}