SourceFolderDecorator.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.ide.ext.java.client.tree;

import com.google.common.annotations.Beta;
import com.google.common.base.Optional;
import com.google.inject.Inject;

import org.eclipse.che.api.promises.client.PromiseProvider;
import org.eclipse.che.ide.api.data.tree.settings.SettingsProvider;
import org.eclipse.che.ide.api.resources.Resource;
import org.eclipse.che.ide.api.resources.marker.Marker;
import org.eclipse.che.ide.ext.java.client.JavaResources;
import org.eclipse.che.ide.ext.java.client.resource.SourceFolderMarker;
import org.eclipse.che.ide.ext.java.shared.ContentRoot;
import org.eclipse.che.ide.project.node.icon.NodeIconProvider;
import org.vectomatic.dom.svg.ui.SVGResource;

import static org.eclipse.che.ide.api.resources.Resource.FOLDER;

/**
 * @author Vlad Zhukovskiy
 */
@Beta
public class SourceFolderDecorator implements NodeIconProvider {

    protected final PromiseProvider  promises;
    protected final JavaNodeFactory  nodeFactory;
    protected final SettingsProvider settingsProvider;
    private final   JavaResources    javaResources;

    @Inject
    public SourceFolderDecorator(PromiseProvider promises,
                                 JavaNodeFactory nodeFactory,
                                 SettingsProvider settingsProvider,
                                 JavaResources javaResources) {
        this.promises = promises;
        this.nodeFactory = nodeFactory;
        this.settingsProvider = settingsProvider;
        this.javaResources = javaResources;
    }

    @Override
    public SVGResource getIcon(Resource resource) {
        if (resource.getResourceType() != FOLDER) {
            return null;
        }

        final Optional<Marker> srcMarker = resource.getMarker(SourceFolderMarker.ID);

        if (srcMarker.isPresent()) {
            final ContentRoot contentRoot = ((SourceFolderMarker)srcMarker.get()).getContentRoot();

            switch (contentRoot) {
                case SOURCE:
                    return javaResources.sourceFolder();
                case TEST_SOURCE:
                    return javaResources.testFolder();
                default:
                    return null;
            }
        }

        return null;
    }
}