// Copyright 2004, 2005 The Apache Software Foundation
//
// 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.apache.tapestry.contrib.table.components;
import org.apache.hivemind.ApplicationRuntimeException;
import org.apache.tapestry.BaseComponent;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.contrib.table.model.ITableModelSource;
/**
* The base implementation for a component that is wrapped by
* the TableView component. Provides a utility method for getting
* a pointer to TableView.
*
* @author mindbridge
*/
public abstract class AbstractTableViewComponent extends BaseComponent
{
public ITableModelSource getTableModelSource()
{
IRequestCycle objCycle = getPage().getRequestCycle();
ITableModelSource objSource =
(ITableModelSource) objCycle.getAttribute(
ITableModelSource.TABLE_MODEL_SOURCE_ATTRIBUTE);
if (objSource == null)
throw new ApplicationRuntimeException(
"The component "
+ getId()
+ " must be contained within an ITableModelSource component, such as TableView",
this,
null,
null);
return objSource;
}
}