org.metawidget.faces.component.layout.SimpleLayout Maven / Gradle / Ivy
// Metawidget
//
// This file is dual licensed under both the LGPL
// (http://www.gnu.org/licenses/lgpl-2.1.html) and the EPL
// (http://www.eclipse.org/org/documents/epl-v10.php). As a
// recipient of Metawidget, you may choose to receive it under either
// the LGPL or the EPL.
//
// Commercial licenses are also available. See http://metawidget.org
// for details.
package org.metawidget.faces.component.layout;
import java.util.List;
import java.util.Map;
import javax.faces.component.UIComponent;
import org.metawidget.faces.component.UIMetawidget;
import org.metawidget.layout.iface.Layout;
/**
* Simple layout.
*
* Just adds the component to the given container using getChildren().add().
*
* @author Richard Kennard
*/
public class SimpleLayout
implements Layout {
//
// Public methods
//
public void layoutWidget( UIComponent widget, String elementName, Map attributes, UIComponent container, UIMetawidget metawidget ) {
List children = container.getChildren();
// Note: delegating to the Renderer to do the adding, such that it can decorate
// the UIComponent if necessary (eg. adding a UIMessage) doesn't work out too well.
// Specifically, the Renderer should not care whether a UIComponent is manually created
// or overridden, but if it wraps a UIComponent with a UIStub then it needs to specify
// whether the UIStub is for a manually created component or an overridden one, so that
// UIMetawidget will clean it up again during startBuild. This just smells wrong,
// because Renderers should render, not manipulate the UIComponent tree.
children.add( widget );
}
}