JavaProjectNode.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.search.node;

import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;

import org.eclipse.che.api.promises.client.Promise;
import org.eclipse.che.ide.api.data.tree.Node;
import org.eclipse.che.ide.ext.java.shared.dto.model.JavaProject;
import org.eclipse.che.ide.ext.java.shared.dto.model.PackageFragment;
import org.eclipse.che.ide.ext.java.shared.dto.model.PackageFragmentRoot;
import org.eclipse.che.ide.ext.java.shared.dto.search.Match;
import org.eclipse.che.ide.project.shared.NodesResources;
import org.eclipse.che.ide.ui.smartTree.presentation.NodePresentation;

import javax.validation.constraints.NotNull;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import static org.eclipse.che.api.promises.client.callback.AsyncPromiseHelper.createFromAsyncRequest;

/**
 * @author Evgen Vidolob
 */
public class JavaProjectNode extends AbstractPresentationNode {

    private NodesResources           resources;
    private NodeFactory              nodeFactory;
    private JavaProject              project;
    private Map<String, List<Match>> matches;

    @Inject
    public JavaProjectNode(NodesResources resources, NodeFactory nodeFactory, @Assisted @NotNull JavaProject project,
                           @Assisted Map<String, List<Match>> matches) {
        this.resources = resources;
        this.nodeFactory = nodeFactory;
        this.project = project;
        this.matches = matches;
    }

    @Override
    protected Promise<List<Node>> getChildrenImpl() {
        return createFromAsyncRequest(callback -> {
            final List<Node> childrenNodes = new ArrayList<>();
            for (PackageFragmentRoot packageFragmentRoot : project.getPackageFragmentRoots()) {
                final List<PackageFragment> packageFragments = packageFragmentRoot.getPackageFragments();
                final List<Node> nodes = packageFragments.stream()
                                                         .map(packageFragment -> nodeFactory.create(packageFragment,
                                                                                                    matches,
                                                                                                    packageFragmentRoot))
                                                         .collect(Collectors.toList());
                childrenNodes.addAll(nodes);
            }
            callback.onSuccess(childrenNodes);
        });
    }

    @Override
    public void updatePresentation(@NotNull NodePresentation presentation) {
        presentation.setPresentableText(project.getName());
        presentation.setPresentableIcon(resources.projectFolder());

    }

    @Override
    public String getName() {
        return project.getName();
    }

    @Override
    public boolean isLeaf() {
        return false;
    }
}