/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation", "Tapestry"
* must not be used to endorse or promote products derived from this
* software without prior written permission. For written
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*
* 5. Products derived from this software may not be called "Apache"
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*
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* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.tapestry.contrib.informal;
import java.util.Iterator;
import java.util.Map;
import org.apache.tapestry.AbstractComponent;
import org.apache.tapestry.IAsset;
import org.apache.tapestry.IBinding;
import org.apache.tapestry.IComponent;
import org.apache.tapestry.IMarkupWriter;
import org.apache.tapestry.IRequestCycle;
import org.apache.tapestry.spec.IComponentSpecification;
/**
*
* A version of the Any component that inherits the informal attributes of its parent
*
* @version $Id: InheritInformalAny.java,v 1.4 2003/04/16 16:43:19 hlship Exp $
* @author mindbridge
* @since 2.2
*
**/
public class InheritInformalAny extends AbstractComponent
{
// Bindings
private IBinding m_objElementBinding;
public IBinding getElementBinding()
{
return m_objElementBinding;
}
public void setElementBinding(IBinding objElementBinding)
{
m_objElementBinding = objElementBinding;
}
protected void generateParentAttributes(IMarkupWriter writer, IRequestCycle cycle)
{
String attribute;
IComponent objParent = getContainer();
if (objParent == null)
return;
IComponentSpecification specification = objParent.getSpecification();
Map bindings = objParent.getBindings();
if (bindings == null)
return;
Iterator i = bindings.entrySet().iterator();
while (i.hasNext())
{
Map.Entry entry = (Map.Entry) i.next();
String name = (String) entry.getKey();
// Skip over formal parameters stored in the bindings
// Map. We're just interested in informal parameters.
if (specification.getParameter(name) != null)
continue;
IBinding binding = (IBinding) entry.getValue();
Object value = binding.getObject();
if (value == null)
continue;
if (value instanceof IAsset)
{
IAsset asset = (IAsset) value;
// Get the URL of the asset and insert that.
attribute = asset.buildURL(cycle);
}
else
attribute = value.toString();
writer.attribute(name, attribute);
}
}
public void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
{
String strElement = m_objElementBinding.getObject().toString();
writer.begin(strElement);
generateParentAttributes(writer, cycle);
renderInformalParameters(writer, cycle);
renderBody(writer, cycle);
writer.end();
}
}