/*******************************************************************************
* 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.library;
import com.google.common.annotations.Beta;
import com.google.inject.Inject;
import com.google.inject.assistedinject.Assisted;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.api.promises.client.Function;
import org.eclipse.che.api.promises.client.FunctionException;
import org.eclipse.che.api.promises.client.Promise;
import org.eclipse.che.ide.api.data.tree.Node;
import org.eclipse.che.ide.api.data.tree.settings.NodeSettings;
import org.eclipse.che.ide.api.resources.ResourceChangedEvent;
import org.eclipse.che.ide.api.resources.ResourceChangedEvent.ResourceChangedHandler;
import org.eclipse.che.ide.api.resources.ResourceDelta;
import org.eclipse.che.ide.ext.java.client.JavaResources;
import org.eclipse.che.ide.ext.java.client.navigation.service.JavaNavigationService;
import org.eclipse.che.ide.ext.java.client.tree.JavaNodeFactory;
import org.eclipse.che.ide.ext.java.shared.Jar;
import org.eclipse.che.ide.project.node.SyntheticNode;
import org.eclipse.che.ide.project.node.SyntheticNodeUpdateEvent;
import org.eclipse.che.ide.resource.Path;
import org.eclipse.che.ide.ui.smartTree.presentation.NodePresentation;
import javax.validation.constraints.NotNull;
import java.util.List;
import static com.google.common.collect.Lists.newArrayListWithCapacity;
import static org.eclipse.che.ide.api.resources.ResourceDelta.UPDATED;
/**
* @author Vlad Zhukovskiy
*/
@Beta
public class LibrariesNode extends SyntheticNode<Path> implements ResourceChangedHandler {
private final JavaNavigationService service;
private final JavaNodeFactory nodeFactory;
private final JavaResources javaResources;
private EventBus eventBus;
@Inject
public LibrariesNode(@Assisted Path project,
@Assisted NodeSettings nodeSettings,
JavaNavigationService service,
JavaNodeFactory nodeFactory,
JavaResources javaResources,
EventBus eventBus) {
super(project, nodeSettings);
this.service = service;
this.nodeFactory = nodeFactory;
this.javaResources = javaResources;
this.eventBus = eventBus;
eventBus.addHandler(ResourceChangedEvent.getType(), this);
}
@Override
protected Promise<List<Node>> getChildrenImpl() {
return service.getExternalLibraries(getData()).then(new Function<List<Jar>, List<Node>>() {
@Override
public List<Node> apply(List<Jar> jars) throws FunctionException {
List<Node> nodes = newArrayListWithCapacity(jars.size());
for (Jar jar : jars) {
nodes.add(nodeFactory.newJarNode(jar, getData(), getSettings()));
}
return nodes;
}
});
}
@Override
public void updatePresentation(@NotNull NodePresentation presentation) {
presentation.setPresentableIcon(javaResources.externalLibraries());
presentation.setPresentableText(getName());
}
@NotNull
@Override
public String getName() {
return "External Libraries";
}
@Override
public boolean isLeaf() {
return false;
}
@Override
public void onResourceChanged(ResourceChangedEvent event) {
final ResourceDelta delta = event.getDelta();
if (delta.getKind() == UPDATED && delta.getResource().getLocation().equals(getData())) {
eventBus.fireEvent(new SyntheticNodeUpdateEvent(LibrariesNode.this));
}
}
@Override
public Path getProject() {
return getData();
}
}