org.richfaces.renderkit.html.AjaxOutputPanelRenderer Maven / Gradle / Ivy
/**
* License Agreement.
*
* Rich Faces - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.richfaces.renderkit.html;
import java.io.IOException;
import java.util.Iterator;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import org.richfaces.cdk.annotations.JsfRenderer;
import org.richfaces.component.AbstractOutputPanel;
import org.richfaces.component.OutputPanelLayout;
import org.richfaces.renderkit.HtmlConstants;
import org.richfaces.renderkit.RendererBase;
/**
* @author [email protected] (latest modification by $Author: alexsmirnov $)
* @version $Revision: 1.1.2.1 $ $Date: 2007/02/01 15:31:27 $
*/
@JsfRenderer(type = "org.richfaces.OutputPanelRenderer", family = AbstractOutputPanel.COMPONENT_FAMILY)
public class AjaxOutputPanelRenderer extends RendererBase {
private static final String[] STYLE_ATTRIBUTES = new String[] { "style", "class" };
private boolean hasNoneLayout(UIComponent component) {
// TODO - A1 won't support 'none' layout
return false;
}
/*
* (non-Javadoc)
*
* @see javax.faces.render.Renderer#encodeChildren(javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
@Override
public void doEncodeChildren(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
//
renderChildren(context, component);
}
/*
* (non-Javadoc)
*
* @see javax.faces.render.Renderer#getRendersChildren()
*/
@Override
public boolean getRendersChildren() {
return true;
}
/*
* (non-Javadoc)
*
* @see org.ajax4jsf.renderkit.RendererBase#getComponentClass()
*/
@Override
protected Class getComponentClass() {
return AbstractOutputPanel.class;
}
/*
* (non-Javadoc)
*
* @see org.ajax4jsf.renderkit.RendererBase#doEncodeBegin(javax.faces.context.ResponseWriter,
* javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
@Override
protected void doEncodeBegin(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
AbstractOutputPanel panel = (AbstractOutputPanel) component;
if (!hasNoneLayout(component)) {
writer.startElement(getTag(panel), panel);
getUtils().encodeId(context, component);
getUtils().encodePassThru(context, component, null);
getUtils().encodeAttributesFromArray(context, component, STYLE_ATTRIBUTES);
}
}
/**
* @param panel
* @return
*/
private String getTag(AbstractOutputPanel panel) {
Object layout = panel.getAttributes().get("layout");
return OutputPanelLayout.block.equals(layout) ? HtmlConstants.DIV_ELEM : HtmlConstants.SPAN_ELEM;
}
/*
* (non-Javadoc)
*
* @see org.ajax4jsf.renderkit.RendererBase#doEncodeEnd(javax.faces.context.ResponseWriter,
* javax.faces.context.FacesContext, javax.faces.component.UIComponent)
*/
@Override
protected void doEncodeEnd(ResponseWriter writer, FacesContext context, UIComponent component) throws IOException {
AbstractOutputPanel panel = (AbstractOutputPanel) component;
if (!hasNoneLayout(component)) {
writer.endElement(getTag(panel));
}
if (panel.isKeepTransient()) {
markNoTransient(component);
}
}
/**
* Set "transient" flag to false for component and all its children ( recursive ).
*
* @param component
*/
private void markNoTransient(UIComponent component) {
for (Iterator iter = component.getFacetsAndChildren(); iter.hasNext();) {
UIComponent element = iter.next();
markNoTransient(element);
element.setTransient(false);
}
}
}