/*
 * Copyright (c) 2012-2018 Red Hat, Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Red Hat, Inc. - initial API and implementation
 */
package org.eclipse.che.ide.actions;

import static com.google.common.base.Preconditions.checkState;
import static java.util.Collections.singletonList;
import static org.eclipse.che.ide.api.resources.Resource.PROJECT;
import static org.eclipse.che.ide.part.perspectives.project.ProjectPerspective.PROJECT_PERSPECTIVE_ID;

import com.google.inject.Inject;
import com.google.inject.Singleton;
import javax.validation.constraints.NotNull;
import org.eclipse.che.ide.CoreLocalizationConstant;
import org.eclipse.che.ide.Resources;
import org.eclipse.che.ide.api.action.AbstractPerspectiveAction;
import org.eclipse.che.ide.api.action.ActionEvent;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.project.MutableProjectConfig;
import org.eclipse.che.ide.api.resources.Container;
import org.eclipse.che.ide.api.resources.Project;
import org.eclipse.che.ide.api.resources.Resource;
import org.eclipse.che.ide.projecttype.wizard.presenter.ProjectWizardPresenter;

/**
 * Call Project wizard to change project type
 *
 * @author Evgen Vidolob
 * @author Dmitry Shnurenko
 * @author Vlad Zhukovskyi
 */
@Singleton
public class ProjectConfigurationAction extends AbstractPerspectiveAction {

  private final AppContext appContext;
  private final ProjectWizardPresenter projectWizard;

  @Inject
  public ProjectConfigurationAction(
      AppContext appContext,
      CoreLocalizationConstant localization,
      Resources resources,
      ProjectWizardPresenter projectWizard) {
    super(
        singletonList(PROJECT_PERSPECTIVE_ID),
        localization.actionProjectConfigurationTitle(),
        localization.actionProjectConfigurationDescription(),
        resources.projectConfiguration());
    this.appContext = appContext;
    this.projectWizard = projectWizard;
  }

  @Override
  public void actionPerformed(ActionEvent e) {
    final Resource[] resources = appContext.getResources();

    checkState(resources != null && resources.length == 1);

    final Resource resource = resources[0];

    checkState(resource instanceof Container);

    if (resource.getResourceType() == PROJECT) {
      final MutableProjectConfig config = new MutableProjectConfig((Project) resource);

      projectWizard.show(config);
    }
  }

  @Override
  public void updateInPerspective(@NotNull ActionEvent event) {
    final Resource[] resources = appContext.getResources();

    if (resources != null && resources.length == 1) {
      final Resource resource = resources[0];

      if (resource.getResourceType() == PROJECT) {
        event.getPresentation().setEnabledAndVisible(true);
        event.getPresentation().setText("Update Project Configuration...");
      } else {
        event.getPresentation().setEnabledAndVisible(false);
      }
    }
  }
}

@@ -1114,60 +1114,8 @@
 ig;%0A
-import org.eclipse.che.ide.api.resources.Container;%0A
 impo
@@ -2299,32 +2299,31 @@
 al Resource 
-resource
+project
  = resources
@@ -2321,24 +2321,37 @@
 resources%5B0%5D
+.getProject()
 ;%0A%0A    check
@@ -2360,37 +2360,23 @@
 ate(
-resource instanceof Container
+project != null
 );%0A%0A
@@ -2379,32 +2379,31 @@
 );%0A%0A    if (
-resource
+project
 .getResource
@@ -2500,24 +2500,23 @@
 roject) 
-resource
+project
 );%0A%0A    
@@ -2696,225 +2696,8 @@
 ();%0A
-%0A    if (resources != null && resources.length == 1) %7B%0A      final Resource resource = resources%5B0%5D;%0A%0A      if (resource.getResourceType() == PROJECT) %7B%0A        event.getPresentation().setEnabledAndVisible(true);%0A    
     
@@ -2768,27 +2768,8 @@
 %22);%0A
-      %7D else %7B%0A    
     
@@ -2817,29 +2817,52 @@
 ble(
-false);%0A      %7D%0A    %7D
+resources != null && resources.length == 1);
 %0A  %7D

Enable Update project configuration from any project level (#9671)