// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.GWT.client.widgets.nonpublic;

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

import java.util.*;

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;
    }
}