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 ts.eclipse.jface.text.contentassist;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.eclipse.jface.text.Position;
  import org.eclipse.jface.text.contentassist.ICompletionProposal;
  import org.eclipse.swt.graphics.Image;
  
  /**
   * Position for argument.
   *
   */
  public class Arg extends Position {
  
  	private static final ICompletionProposal[] EMPTY_PROPOSALS = new ICompletionProposal[0];
  
  	private final String name;
  	private List<ICompletionProposal> proposals;
  
  	public Arg(int offset, int length) {
  		this(offset, length, null);
  	}
  
  	public Arg(int offset, int length, String name) {
  		super(offset, length);
  		this.name = name;
  	}
  
  	public String getName() {
  		return name;
  	}
  
  	public ICompletionProposal[] getProposals() {
  		if (proposals == null) {
  			return null;
  		}
  		return proposals.toArray(EMPTY_PROPOSALS);
  	}
  
  	public void addProposal(String name, String displayName, Image image, String doc) {
  		if (proposals == null) {
  			proposals = new ArrayList<ICompletionProposal>();
  		}
  
  		proposals.add(new PositionBasedCompletionProposal(name, this, getLength(), image, displayName, null, doc));
  	}
  
  	public void updateOffset(int baseOffset) {
  		this.offset = baseOffset + offset;
  	}
  }
  