/*

  * Copyright 2004 Chris Nelson

  *

  * 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 org.trails.component;

 import org.apache.tapestry.annotations.Bean;

 import org.apache.tapestry.annotations.ComponentClass;

 import org.apache.tapestry.annotations.Lifecycle;

 import org.apache.tapestry.annotations.Parameter;

 import org.apache.tapestry.valid.IValidator;

 import org.apache.tapestry.valid.NumberValidator;

 import org.trails.descriptor.IIdentifierDescriptor;

 import org.trails.descriptor.IPropertyDescriptor;

 import org.trails.page.ModelPage;

 /**

  * Displays an id property

  */

 @ComponentClass(allowBody = true, allowInformalParameters = true)

 public abstract class Identifier extends PropertyEditor

 {

         @Parameter(required = true, cache = true)

         public abstract IPropertyDescriptor getDescriptor();

         public abstract void setDescriptor(IPropertyDescriptor Descriptor);

         @Parameter(required = false, defaultValue = "container.model", cache = true)

         public abstract Object getModel();

         public abstract void setModel(Object Model);

         @Parameter(required = false, defaultValue = "page.validatorTranslatorService.getValidator(descriptor)")

         public abstract IValidator getValidator();

         public abstract void setValidator(IValidator validator);

         @Bean(lifecycle = Lifecycle.PAGE)

         public abstract NumberValidator getNumberValidator();

         public boolean isEditable()

         {

                 return !((IIdentifierDescriptor) getDescriptor()).isGenerated() && ((ModelPage) getPage()).isModelNew();

         }

 }