/*******************************************************************************
* 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.macro;
import com.google.common.base.Optional;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.api.promises.client.Promise;
import org.eclipse.che.api.promises.client.PromiseProvider;
import org.eclipse.che.ide.CoreLocalizationConstant;
import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.machine.events.WsAgentStateEvent;
import org.eclipse.che.ide.api.machine.events.WsAgentStateHandler;
import org.eclipse.che.ide.api.macro.Macro;
import org.eclipse.che.ide.api.resources.Project;
import org.eclipse.che.ide.api.resources.Resource;
import javax.validation.constraints.NotNull;
/**
* Provides current project's path.
* Path means full absolute path to project on the FS, e.g. /projects/project_name
*
* @author Artem Zatsarynnyi
* @author Vlad Zhukovskyi
*/
@Singleton
public class CurrentProjectPathMacro implements Macro, WsAgentStateHandler {
private static final String KEY = "${current.project.path}";
private final AppContext appContext;
private final PromiseProvider promises;
private final CoreLocalizationConstant localizationConstants;
private String value;
@Inject
public CurrentProjectPathMacro(EventBus eventBus,
AppContext appContext,
PromiseProvider promises,
CoreLocalizationConstant localizationConstants) {
this.appContext = appContext;
this.promises = promises;
this.localizationConstants = localizationConstants;
value = "";
eventBus.addHandler(WsAgentStateEvent.TYPE, this);
}
@NotNull
@Override
public String getName() {
return KEY;
}
@Override
public String getDescription() {
return localizationConstants.macroCurrentProjectPathDescription();
}
@NotNull
@Override
public Promise<String> expand() {
updateValue();
return promises.resolve(value);
}
private void updateValue() {
final Resource[] resources = appContext.getResources();
if (resources != null && resources.length == 1) {
final Optional<Project> project = appContext.getResource().getRelatedProject();
if (project.isPresent()) {
value = appContext.getProjectsRoot().append(project.get().getLocation()).toString();
} else {
value = "";
}
} else {
value = "";
}
}
@Override
public void onWsAgentStarted(WsAgentStateEvent event) {
updateValue();
}
@Override
public void onWsAgentStopped(WsAgentStateEvent event) {
value = "";
}
}