package org.litesoft.GWT.forms.client.components.factories.others;

import com.google.gwt.user.client.ui.*;
import org.litesoft.GWT.forms.client.components.factories.*;
import org.litesoft.GWT.forms.client.components.*;
import org.litesoft.GWT.forms.client.nonpublic.*;
import org.litesoft.rpcpassable.*;
import org.litesoft.ui.def.*;
import org.litesoft.ui.def.nonpublic.*;
import org.litesoft.ui.def.nonpublic.support.*;

public class UiHiddenAttributeWidgetFactory
        implements FormComponentFactory
{
    public Widget create( FormInstanceComponentHandler pComponentHandler, UiDef pUiDef,
                          FormMetaData pFormMetaData, boolean pHasHorizontalPeer )
    {
        UiHiddenAttributeDef zDef = (UiHiddenAttributeDef) pUiDef;
        AttributeMetaData zMD = pFormMetaData.getAttribute( zDef );
        if ( zMD == null )
        {
            throw new IllegalStateException( "Metadata required for a " + zDef );
        }
        return new MyFormAdapter( pComponentHandler, zMD, new NullFormComponent() ).init();
    }

    private static final class MyFormAdapter
            extends AbstractFormAttributeAdapter
    {
        public MyFormAdapter( FormInstanceComponentHandler pComponentHandler, //
                              AttributeMetaData pMD, IFormComponent pComponent )
        {
            super( pComponentHandler, pMD, pComponent );
        }

        protected Widget initWidget()
        {
            return null;
        }

        protected Object convertSendableToComponentValue( RPCpassable pValue )
        {
            return pValue;
        }

        protected String convertComponentValueToString( Object pValue )
        {
            return null;
        }

        protected Object convertStringToComponentValue( String pValue )
        {
            return null;
        }
    }
}