SamplePagePresenter.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.wizard;

import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.inject.Inject;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.ide.api.project.MutableProjectConfig;
import org.eclipse.che.ide.api.wizard.AbstractWizardPage;

import java.util.Arrays;
import java.util.List;
import java.util.Map;

import static org.eclipse.che.plugin.sample.wizard.shared.Constants.COMPILER_VERSION_ATRIBUTE;
import static org.eclipse.che.plugin.sample.wizard.shared.Constants.DEFAULT_CCC_COMPILER_VERSION;

public class SamplePagePresenter extends AbstractWizardPage<MutableProjectConfig> implements SamplePageView.ActionDelegate {

    protected final SamplePageView view;
    protected final EventBus       eventBus;


    @Inject
    public SamplePagePresenter(SamplePageView view, EventBus eventBus) {
        this.view = view;
        this.eventBus = eventBus;
        view.setDelegate(this);
    }

    @Override
    public void init(MutableProjectConfig dataObject) {
        super.init(dataObject);
    }


    @Override
    public void go(AcceptsOneWidget container) {
        container.setWidget(view);
        view.setCompilerVersion(DEFAULT_CCC_COMPILER_VERSION);
        setAttribute(COMPILER_VERSION_ATRIBUTE, DEFAULT_CCC_COMPILER_VERSION);
    }

    @Override
    public void onCompilerVersionChanged() {
        setAttribute(COMPILER_VERSION_ATRIBUTE, view.getCompilerVersion());
    }

    /** Sets single value of attribute of data-object. */
    private void setAttribute(String attrId, String value) {
        Map<String, List<String>> attributes = dataObject.getAttributes();
        attributes.put(attrId, Arrays.asList(value));
        dataObject.setAttributes(attributes);
    }
}