com.sun.webui.jsf.renderkit.html.SkipHyperlinkRenderer Maven / Gradle / Ivy

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/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the License).  You may not use this file except in
 * compliance with the License.
 * 
 * You can obtain a copy of the license at
 * https://woodstock.dev.java.net/public/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 * 
 * When distributing Covered Code, include this CDDL
 * Header Notice in each file and include the License file
 * at https://woodstock.dev.java.net/public/CDDLv1.0.html.
 * If applicable, add the following below the CDDL Header,
 * with the fields enclosed by brackets [] replaced by
 * you own identifying information:
 * "Portions Copyrighted [year] [name of copyright owner]"
 * 
 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
 */
package com.sun.webui.jsf.renderkit.html;

import com.sun.faces.annotation.Renderer;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import com.sun.webui.jsf.component.SkipHyperlink;
import com.sun.webui.theme.Theme;
import com.sun.webui.jsf.theme.ThemeStyles;
import com.sun.webui.jsf.util.RenderingUtilities;
import com.sun.webui.jsf.util.ThemeUtilities;

/**
 * This class is responsible for rendering the {@link SkipHyperlink}
 * component.
 */
@Renderer(@Renderer.Renders(componentFamily = "com.sun.webui.jsf.SkipHyperlink"))
public class SkipHyperlinkRenderer extends javax.faces.render.Renderer {

    /** Creates a new instance of AlertRenderer */
    public SkipHyperlinkRenderer() {
        // default constructor
    }

    // We don't render our own children - defer to the default behaviour,
    // which allows for interweaving compoenents with non-components.
    @Override
    public boolean getRendersChildren() {
        return false;
    }

    @Override
    public void encodeBegin(FacesContext context, UIComponent component)
            throws IOException {

        SkipHyperlink link = (SkipHyperlink) component;
        if (!link.isRendered()) {
            return;
        }
        ResponseWriter writer = context.getResponseWriter();

        // Get the theme
        Theme theme = ThemeUtilities.getTheme(context);

        // Components must have a top-level element with the component ID
        Integer index = null;
        int tabIndex = link.getTabIndex();
        if (tabIndex != Integer.MIN_VALUE) {
            index = new Integer(tabIndex);
        }

        String styleClass = (link.getStyleClass() != null)
                ? link.getStyleClass()
                : theme.getStyleClass(ThemeStyles.SKIP_WHITE);

        RenderingUtilities.renderSkipLink("", styleClass, link.getStyle(),
                link.getDescription(), index, link, context);
        writer.write("\n"); //NOI18N        
    }

    @Override
    public void encodeEnd(FacesContext context, UIComponent component)
            throws IOException {

        SkipHyperlink link = (SkipHyperlink) component;
        if (!link.isRendered()) {
            return;
        }
        RenderingUtilities.renderAnchor("", component, context);
    }
}