// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
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;
    }

    @Override
    public boolean hasNext()
    {
        return mWidget != null;
    }

    @Override
    public Widget next()
    {
        if ( !hasNext() )
        {
            throw new NoSuchElementException();
        }
        Widget result = mWidget;
        mWidget = null;
        return result;
    }
}