18,18c18,18
< import java.util.*;
---
> import java.util.List;
104,104c104,104
< 	 * @return a Vector of handles
---
> 	 * @return a type-safe iterator of handles
107,107c107,107
< 	public abstract Vector handles();
---
> 	public abstract HandleEnumeration handles();
113a114,114
> 		return new SingleFigureEnumerator(this);
114,116d113
< 		Vector figures = new Vector(1);
< 		figures.addElement(this);
< 		return new FigureEnumerator(figures);
174,174c172,172
< 	 * Decomposes a figure into its parts. It returns a Vector
---
> 	 * Decomposes a figure into its parts. It returns a FigureEnumeration
176,176c174,174
< 	 * @return an Enumeration for a Vector with itself as the
---
> 	 * @return an Enumeration with itself as the only element.
177,177d174
< 	 * only element.
179a177,178
> 		List figures = CollectionsFactory.current().createList(1);
> 		figures.add(this);
180,181d176
< 		Vector figures = new Vector(1);
< 		figures.addElement(this);
320,320c317,317
< 	public void connectorVisibility(boolean isVisible) {
---
> 	public void connectorVisibility(boolean isVisible, ConnectionFigure connector) {