content: /**
   *  Copyright (c) 2013-2016 Angelo ZERR.
   *  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:
   *  Angelo Zerr <angelo.zerr@gmail.com> - initial API and implementation
   */
  package tern.eclipse.ide.ui.viewers;
  
  import org.eclipse.jface.viewers.ArrayContentProvider;
  import org.eclipse.jface.viewers.ITreeContentProvider;
  
  import tern.scriptpath.ITernScriptPath;
  
  /**
   * Content provider for tern script path {@link ITernScriptPath}.
   *
   */
  public class TernScriptPathContentProvider extends ArrayContentProvider
  		implements ITreeContentProvider {
  
  	private static final TernScriptPathContentProvider INSTANCE = new TernScriptPathContentProvider();
  
  	public static TernScriptPathContentProvider getInstance() {
  		return INSTANCE;
  	}
  
  	@Override
  	public Object[] getChildren(Object element) {
  		if ((element instanceof ITernScriptPath)) {
  			return ((ITernScriptPath) element).getScriptResources().toArray();
  		}
  		return null;
  	}
  
  	@Override
  	public Object getParent(Object element) {
  		return null;
  	}
  
  	@Override
  	public boolean hasChildren(Object element) {
  		return element instanceof ITernScriptPath;
  	}
  
  }
  