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

import java.util.*;

import org.litesoft.ui.def.*;
import org.litesoft.ui.def.nonpublic.support.*;

public class HorizontalPeerDeterminer implements Iterator
{
    protected UiDef[] mChildDefs;
    private int mNextIndex = 0;
    protected boolean mHorizontalPeers;

    public HorizontalPeerDeterminer( UiContainerMarker pUiDef, boolean pHorizontalPeers )
    {
        mChildDefs = pUiDef.getChildrenHelper().getChildren();
        mHorizontalPeers = pHorizontalPeers;
    }

    public boolean hasNext()
    {
        return mNextIndex < mChildDefs.length;
    }

    public Object next()
    {
        if ( hasNext() )
        {
            return mChildDefs[mNextIndex++];
        }
        throw new NoSuchElementException();
    }

    public void remove()
    {
        throw new UnsupportedOperationException(
                "remove should never have been in the iterator, but then Josh knows better that the GOF" );
    }

    public boolean hasHorizontalPeer()
    {
        return mHorizontalPeers;
    }
}