org.metawidget.faces.renderkit.html.HtmlSimpleLayoutRenderer 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.renderkit.html;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.render.Renderer;
import org.metawidget.faces.FacesUtils;
/**
* Layout to simply output components one after another, with no labels and no structure.
*
* This Layout is suited to rendering single components, or for rendering components whose layout
* relies entirely on CSS. This implementation recognizes the following <f:facet>
* names:
*
*
* after
*
* @author Richard Kennard
*/
public class HtmlSimpleLayoutRenderer
extends Renderer {
//
// Private statics
//
private static final String AFTER_FACET = "after";
//
// Public methods
//
@Override
public void encodeBegin( FacesContext context, UIComponent component )
throws IOException {
ResponseWriter writer = context.getResponseWriter();
// Important to wrap output in something with an id, so that 'label for' can refer to it
writer.startElement( "div", component );
writer.writeAttribute( "id", component.getClientId( context ), "id" );
// Display as 'inline' so as not to affect formatting. However don't use a 'span' because
// we're not allowed to put some tags (i.e. 'div', 'table') inside a 'span'
writer.writeAttribute( "style", "display: inline", null );
super.encodeBegin( context, component );
}
@Override
public void encodeEnd( FacesContext context, UIComponent component )
throws IOException {
super.encodeEnd( context, component );
FacesUtils.render( context, component.getFacet( AFTER_FACET ) );
ResponseWriter writer = context.getResponseWriter();
writer.endElement( "div" );
}
}