// This Source Code is in the Public Domain per: http://litesoft.org/License.txt
package org.litesoft.GWT.client.view;

import org.litesoft.GWT.client.*;
import org.litesoft.GWT.client.widgets.*;
import org.litesoft.GWT.client.widgets.datatables.*;
import org.litesoft.GWT.forms.client.*;
import org.litesoft.bo.views.*;
import org.litesoft.commonfoundation.typeutils.*;

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

public abstract class QBEdialogView<T extends IViewObject> extends DialogView implements TableClickCommand<T>
{
    protected QBEscreenSupport mQBEscreenSupport = new QBEscreenSupport();

    protected QBE_FormEngine mFE;

    protected VoDataProvider<T> mDataProvider;
    protected FormBinder<T> mFormBinder;

    public QBEdialogView( CO pCO, Opaqueness pOpaqueness, VoDataProvider<T> pDataProvider )
    {
        super( pCO, pOpaqueness );

        Objects.assertNotNull( "DataProvider", mDataProvider = pDataProvider );

        super.add( mQBEscreenSupport );
    }

    protected SizeableVerticalPanel getQBEleft()
    {
        return mQBEscreenSupport.getQBEleft();
    }

    protected SizeableQBEboxedPanel getQBEboxedPanel()
    {
        return mQBEscreenSupport.getQBEboxedPanel();
    }

    @Override
    protected void add( Widget pWidget )
    {
        getQBEleft().add( pWidget );
    }

    @Override
    public void aboutToShow()
    {
        super.aboutToShow();
        getActualDialog().setMinimumMargin( 38, 42 );
        getActualDialog().setMaximize();

        modeSearch();
    }

    abstract protected void modeSearch();

    @Override
    protected void justLoaded()
    {
        super.justLoaded();
        mFE.setFocus();
    }

    @Override
    public final void execute( T pRowValue )
    {
        if ( pRowValue == null )
        {
            processVO( pRowValue );
            return;
        }
        mDataProvider.requestRow( pRowValue.getObjectURL(), new FetchRowDataProviderCallBack<T>()
        {
            @Override
            public void success( T pRow )
            {
                if ( pRow != null )
                {
                    processVO( pRow );
                    return;
                }
                error( "Data no longer exists!" );
            }

            @Override
            public void error( String pError )
            {
                AlertManager.alert( mTitle, mTitle, pError );
            }
        } );
    }

    abstract protected void processVO( T pRowValue );
}