/* 
 * This file is part of the Echo Web Application Framework (hereinafter "Echo").
 * Copyright (C) 2002-2009 NextApp, Inc.
 *
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 */

package nextapp.echo2.webcontainer.propertyrender;

import org.w3c.dom.Element;

import nextapp.echo2.app.Component;
import nextapp.echo2.webcontainer.RenderContext;
import nextapp.echo2.webcontainer.image.ImageRenderSupport;
import nextapp.echo2.webcontainer.image.ImageTools;
import nextapp.echo2.webrender.output.CssStyle;

/**
 * Utility class for rendering <code>nextapp.echo2.app.ImageReference</code>
 * properties.
 */
public class ImageReferenceRender {
    
    /**
     * Creates an <code>img</code> element referencing an image that 
     * supports a component.
     * 
     * @param rc the relevant <code>RenderContext</code>
     * @param irs the <code>SynchornizePeer</code> providing of the component
     *        providing <code>ImageRenderSupport</code>
     * @param component the component
     * @param imageId the id of the image
     * @return the generated <code>img</code> element
     */
    public static Element renderImageReferenceElement(RenderContext rc, ImageRenderSupport irs, 
            Component component, String imageId) {
       Element imgElement = rc.getServerMessage().getDocument().createElement("img");
       imgElement.setAttribute("src", ImageTools.getUri(rc, irs, component, imageId));
       CssStyle cssStyle = new CssStyle();
       cssStyle.setAttribute("border", "none");
       imgElement.setAttribute("style", cssStyle.renderInline());
       return imgElement;
    }
    
    /** Non-instantiable class. */
    private ImageReferenceRender() { }
}