NewXFileAction.java

/*******************************************************************************
 * 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.plugin.sample.wizard.ide.action;

import com.google.common.base.Optional;
import com.google.inject.Inject;
import com.google.inject.Singleton;

import org.eclipse.che.ide.api.action.ActionEvent;
import org.eclipse.che.ide.api.action.ProjectAction;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.resources.Project;
import org.eclipse.che.ide.api.selection.Selection;
import org.eclipse.che.ide.part.explorer.project.ProjectExplorerPresenter;
import org.eclipse.che.plugin.sample.wizard.ide.SampleWizardLocalizationConstant;
import org.eclipse.che.plugin.sample.wizard.ide.SampleWizardResources;
import org.eclipse.che.plugin.sample.wizard.ide.file.NewXFilePresenter;

/**
 * Action to create new X source file.
 *
 * @author Vitalii Parfonov
 */
@Singleton
public class NewXFileAction extends ProjectAction {
    private final AppContext                 appContext;
    private       ProjectExplorerPresenter   projectExplorer;
    private NewXFilePresenter newXFilePresenter;

    @Inject
    public NewXFileAction(ProjectExplorerPresenter projectExplorer,
                          NewXFilePresenter newXFilePresenter,
                          SampleWizardLocalizationConstant constant,
                          SampleWizardResources resources,
                          AppContext appContext) {
        super(constant.newXFile(), constant.createXFileWithIncludedHeader(), resources.xFile());
        this.newXFilePresenter = newXFilePresenter;
        this.projectExplorer = projectExplorer;
        this.appContext = appContext;
    }

    @Override
    public void actionPerformed(ActionEvent e) {

        newXFilePresenter.showDialog();
    }

    @Override
    public void updateProjectAction(ActionEvent e) {
        final Optional<Project> relatedProject = appContext.getResource().getRelatedProject();
        if (!relatedProject.isPresent()) {
            e.getPresentation().setEnabledAndVisible(false);
            return;
        }

        Selection<?> selection = projectExplorer.getSelection();
        if (selection == null) {
            e.getPresentation().setEnabledAndVisible(false);
            return;
        }

        e.getPresentation().setVisible(true);
        e.getPresentation().setEnabled(true);
    }
}