org.metawidget.faces.component.layout.SimpleLayout Maven / Gradle / Ivy
// Metawidget (licensed under LGPL)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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 );
}
}