// Copyright 2006 Daniel Gredler

 //

 // Licensed under the Apache License, Version 2.0 (the "License");

 // you may not use this file except in compliance with the License.

 // You may obtain a copy of the License at

 //

 //     http://www.apache.org/licenses/LICENSE-2.0

 //

 // Unless required by applicable law or agreed to in writing, software

 // distributed under the License is distributed on an "AS IS" BASIS,

 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 // See the License for the specific language governing permissions and

 // limitations under the License.

 package net.sf.beanform;

 import java.util.List;

 import java.util.Map;

 import net.sf.beanform.binding.DualBinding;

 import net.sf.beanform.prop.BeanProperty;

 import org.apache.tapestry.IBinding;

 import org.apache.tapestry.IMarkupWriter;

 import org.apache.tapestry.IRequestCycle;

 import org.apache.tapestry.form.IFormComponent;

 /**

  * A low level BeanForm component that generates the rows for all the properties.

  * This component must be wrapped by a {@link BeanForm} component.

  *

  * @author Daniel Gredler

  */

 public abstract class BeanFormRows extends BeanFormComponent {

     public final static String BEAN_FORM_ROWS_ATTRIBUTE = BeanFormRows.class.getName();

     private BeanProperty property;

     private Map<String, IBinding> fieldBindings;

     public BeanProperty getProperty() {

         return this.property;

     }

     public void setProperty( BeanProperty property ) {

         this.property = property;

         this.fieldBindings = this.getBeanForm().getFieldBindingsFor( property );

     }

     public List<BeanProperty> getProperties() {

         return this.getBeanForm().getBeanProperties();

     }

     @Override

     protected void renderComponent( IMarkupWriter writer, IRequestCycle cycle ) {

         Object old = cycle.getAttribute( BEAN_FORM_ROWS_ATTRIBUTE );

         cycle.setAttribute( BEAN_FORM_ROWS_ATTRIBUTE, this );

         super.renderComponent( writer, cycle );

         cycle.setAttribute( BEAN_FORM_ROWS_ATTRIBUTE, old );

     }

     protected void addExtraBindings( IFormComponent field ) {

         DualBinding.addCustomBindings( field, this.fieldBindings, true );

     }

 }