NewXFilePresenter.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.file;

import com.google.inject.Inject;
import com.google.inject.Singleton;

import org.eclipse.che.ide.api.project.ProjectServiceClient;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.resources.Container;
import org.eclipse.che.ide.api.resources.Resource;
import org.eclipse.che.ide.resource.Path;
import org.eclipse.che.plugin.sample.wizard.shared.Constants;

import static com.google.common.base.Preconditions.checkState;

/**
 * Presenter for creating
 *
 * @author Vitalii Parfonov
 */
@Singleton
public class NewXFilePresenter implements NewXFileView.ActionDelegate {
    private static final String DEFAULT_CONTENT = " #include <${header}>";

    private final NewXFileView         view;
    private final ProjectServiceClient projectServiceClient;
    private final AppContext           appContext;

    @Inject
    public NewXFilePresenter(NewXFileView view,
                             AppContext appContext,
                             ProjectServiceClient projectServiceClient) {
        this.appContext = appContext;
        this.view = view;
        this.projectServiceClient = projectServiceClient;
        this.view.setDelegate(this);
    }

    public void showDialog() {
        view.showDialog();
    }

    @Override
    public void onCancelClicked() {
        view.close();
    }

    @Override
    public void onOkClicked() {
        final String fileName = view.getName();
        view.close();
        createClass(fileName);
    }

    private void createClass(String name) {
        String content = DEFAULT_CONTENT.replace("${header}", view.getHeader());
        createSourceFile(name, content);
    }

    private void createSourceFile(final String nameWithoutExtension, final String content) {
        Resource resource = appContext.getResource();
        if (!(resource instanceof Container)) {
            final Container parent = resource.getParent();
            checkState(parent != null, "Parent should be a container");
            resource = parent;
        }
        createFile(resource.getLocation().toString(), nameWithoutExtension, content);
    }

    private void createFile(final String path, final String nameWithoutExtension, final String content) {
        projectServiceClient.createFile(Path.valueOf(path + nameWithoutExtension + Constants.C_EXT), content);
    }
}