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JSF components and utilities that can be used with any JSF implementation. This library is based on the JSF1.1 version of Tomahawk, but with minor source code and build changes to take advantage of JSF1.2 features. A JSF1.2 implementation is required to use this version of the Tomahawk library.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.myfaces.component.html.ext;

import javax.faces.context.FacesContext;

import org.apache.myfaces.component.ForceIdAware;
import org.apache.myfaces.component.UserRoleAware;
import org.apache.myfaces.component.UserRoleUtils;
import org.apache.myfaces.component.html.util.HtmlComponentUtils;


/**
 * Extends standard commandLink by user role support and the HTML 
 * target attribute. 
 * 
 * Unless otherwise specified, all attributes accept static values or EL expressions.
 * 
 * @JSFComponent
 *   name = "t:commandLink"
 *   class = "org.apache.myfaces.component.html.ext.HtmlCommandLink"
 *   tagClass = "org.apache.myfaces.generated.taglib.html.ext.HtmlCommandLinkTag"
 * @since 1.1.7
 * @author Thomas Spiegl (latest modification by $Author: lu4242 $)
 * @author Manfred Geiler
 * @version $Revision: 691856 $ $Date: 2008-09-03 21:40:30 -0500 (Wed, 03 Sep 2008) $
 */
public abstract class AbstractHtmlCommandLink
        extends javax.faces.component.html.HtmlCommandLink
        implements UserRoleAware, ForceIdAware
{
        
    public static final String COMPONENT_TYPE = "org.apache.myfaces.HtmlCommandLink";
    public static final String DEFAULT_RENDERER_TYPE = "org.apache.myfaces.Link";

    public String getClientId(FacesContext context)
    {
        String clientId = HtmlComponentUtils.getClientId(this, getRenderer(context), context);
        if (clientId == null)
        {
            clientId = super.getClientId(context);
        }

        return clientId;
    }        
    
    public boolean isRendered()
    {
        if (!UserRoleUtils.isVisibleOnUserRole(this)) return false;
        return super.isRendered();
    }

    /**
     *  Comma separated list of subForm-ids for which validation 
     *  and model update should take place when this command is 
     *  executed. You need to wrap your input components in 
     *  org.apache.myfaces.custom.subform.SubForm instances for 
     *  this to work.
     *  
     * @JSFProperty
     */
    public abstract String getActionFor();

    /**
     * When set instead of a Hyperlink a span tag is rendered in the corresponding Component
     * 
     * @JSFProperty
     *   defaultValue = "false"
     */
    public abstract boolean isDisabled();

    /**
     * CSS-Style Attribute to render when disabled is true
     * 
     * @JSFProperty
     */
    public abstract String getDisabledStyle();

    /**
     * CSS-Style Class to use when disabled is true
     * 
     * @JSFProperty
     */
    public abstract String getDisabledStyleClass();

}