package org.litesoft.GWT.client.widgets.nonpublic;

import java.util.*;

import com.google.gwt.user.client.ui.*;

public abstract class SingleWidgetIterator implements Iterator<Widget>
{
	private Widget mWidget;
	
	public SingleWidgetIterator(Widget pWidget)
	{
		mWidget = pWidget;
	}
	
	public boolean hasNext()
	{
	    return mWidget != null;
	}
	
	public Widget next()
	{
	    if (! hasNext() )
	    {
		    throw new NoSuchElementException();
	    }
        Widget result = mWidget;
        mWidget = null;
		return result;
	}
}