package org.phantom.intellij.util;

import com.intellij.openapi.components.ApplicationComponent;
import com.intellij.openapi.project.*;

/**
 * Component for retrive current project
 * @author <a href="mailto:aefimov@spklabs.com>Alexey Efimov</a>
 */
public class CurrentProjectComponent extends ProjectManagerAdapter implements ApplicationComponent {
  private Project project;

  public void initComponent() {
    ProjectManager.getInstance().addProjectManagerListener(this);
  }

  public void disposeComponent() {
    ProjectManager.getInstance().removeProjectManagerListener(this);
  }

  public String getComponentName() {
    return getClass().getName();
  }

  public void projectOpened(Project project) {
    this.project = project;
  }

  public void projectClosed(Project project) {
    this.project = null;
  }

  /**
   * Return current project or <code>null</code> if no projects
   * @return Project or <code>null</code>
   */
  public Project getCurrentProject() {
    return project;
  }
}