/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.actions;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.che.ide.CoreLocalizationConstant;
import org.eclipse.che.ide.api.action.Action;
import org.eclipse.che.ide.api.action.ActionEvent;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.resources.Resource;
import org.eclipse.che.ide.reference.ShowReferencePresenter;
import static com.google.common.base.Preconditions.checkState;
/**
* @author Dmitry Shnurenko
* @author Vlad Zhukovskyi
*/
@Singleton
public class ShowReferenceAction extends Action {
private final ShowReferencePresenter showReferencePresenter;
private final AppContext appContext;
@Inject
public ShowReferenceAction(CoreLocalizationConstant locale,
ShowReferencePresenter showReferencePresenter,
AppContext appContext) {
super(locale.showReference());
this.showReferencePresenter = showReferencePresenter;
this.appContext = appContext;
}
/** {@inheritDoc} */
@Override
public void update(ActionEvent event) {
final Resource[] resources = appContext.getResources();
event.getPresentation().setVisible(true);
event.getPresentation().setEnabled(resources != null && resources.length == 1);
}
/** {@inheritDoc} */
@Override
public void actionPerformed(ActionEvent event) {
final Resource resource = appContext.getResource();
checkState(resource != null, "Null resource occurred");
showReferencePresenter.show(resource);
}
}