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

import org.litesoft.GWT.client.widgets.nonpublic.*;
import org.litesoft.GWT.forms.client.components.factories.*;
import org.litesoft.GWT.forms.client.components.impls.others.*;
import org.litesoft.GWT.forms.client.components.nonpublic.*;
import org.litesoft.core.typeutils.*;
import org.litesoft.ui.def.*;
import org.litesoft.ui.def.nonpublic.*;
import org.litesoft.ui.def.nonpublic.support.*;

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

public class BaseFormRendererImpl extends AbstractFormComponentRenderer implements BaseFormRenderer
{
    private BaseFormComponentHandler mBaseFormComponentHandler;

    public BaseFormRendererImpl( FormComponentFactory pFormComponentFactory, FormMetaData pFormMetaData,
                                 BaseFormComponentHandler pBaseFormComponentHandler )
    {
        super( pFormComponentFactory, pFormMetaData, pBaseFormComponentHandler );
        mBaseFormComponentHandler = pBaseFormComponentHandler;
    }

    public AbstractFormContainer render( UiFormDef pFormDef )
    {
        Objects.assertNotNull( "UiFormDef", pFormDef );
        DefWidgetStruct[] zChildren = renderChildren( pFormDef );
        if ( zChildren.length != 1 )
        {
            throw new IllegalStateException( "Form did NOT have 1 child" );
        }
        Widget widget = zChildren[0].getWidget();
        if ( !(widget instanceof ISizeableWidget) )
        {
            throw new IllegalStateException( "Child of Form is NOT a Sizeable" );
        }
        ISizeableWidget zISwidget = (ISizeableWidget) widget;
        return createFormContainer( pFormDef, zISwidget );
    }

    private AbstractFormContainer createFormContainer( UiFormDef pFormDef, ISizeableWidget pWidget )
    {
        String zExtTitle = pFormDef.getExtTitle();
        if ( zExtTitle != null )
        {
            LabelMetaData md = mFormMetaData.getLabel( pFormDef );
            String zTitle = md.getExternalText();
            return new SizeableTitledBorderedFormContainer( pWidget, zTitle, pFormDef.getTitleFont() );
        }
        if ( pFormDef.isBordered() )
        {
            return new SizeableBorderedFormContainer( pWidget );
        }
        return new SizeableFormContainer( pWidget );
    }

    protected RelSubFormInstanceRenderer createRelSubFormInstanceRenderer( UiRelSubFormDef pSubFormDef,
                                                                           FormMetaData pSubFormMetaData,
                                                                           boolean pNoRemoveRow, SubFormRowCarrier pRowCarrier )
    {
        RelSubFormInstanceComponentHandler zHandler =
                mBaseFormComponentHandler.createRelSubFormInstanceComponentHandler( pSubFormDef, //
                                                                                    pSubFormMetaData, //
                                                                                    pRowCarrier );
        return new RelSubFormInstanceRendererImpl( mFormComponentFactory, pSubFormMetaData, pSubFormDef,
                                                   pNoRemoveRow, zHandler );
    }
}