/*
* 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.trinidadinternal.ui.laf.base.xhtml;
import java.io.IOException;
import javax.faces.component.UIComponent;
import javax.faces.context.ResponseWriter;
import org.apache.myfaces.trinidadinternal.agent.TrinidadAgent;
import org.apache.myfaces.trinidadinternal.ui.UIXRenderingContext;
import org.apache.myfaces.trinidadinternal.ui.UIConstants;
import org.apache.myfaces.trinidadinternal.ui.laf.base.BaseLafRenderer;
/**
* Utilities for outputting the hidden labels required for
* accessibility support.
* <p>
* @version $Name: $ ($Revision: adfrt/faces/adf-faces-impl/src/main/java/oracle/adfinternal/view/faces/ui/laf/base/xhtml/HiddenLabelUtils.java#0 $) $Date: 10-nov-2005.18:53:55 $
* @deprecated This class comes from the old Java 1.2 UIX codebase and should not be used anymore.
*/
@Deprecated
public class HiddenLabelUtils
{
/**
* Identifies whether the current agent supports the hidden label
* trick.
*/
static public boolean supportsHiddenLabels(UIXRenderingContext context)
{
if (!BaseLafRenderer.supportsID(context))
return false;
TrinidadAgent agent = context.getAgent();
return org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.HiddenLabelUtils.agentSupportsHiddenLabels(agent);
}
/**
* Outputs a hidden label.
* @param component
*/
static public void outputHiddenLabel(
UIXRenderingContext context,
String id,
Object text,
UIComponent component
) throws IOException
{
if (!XhtmlLafRenderer.isInaccessibleMode(context) &&
(text != null) &&
(id != null))
{
if (!id.equals(context.getProperty(UIConstants.MARLIN_NAMESPACE,
_LABEL_KEY)))
{
ResponseWriter writer = context.getResponseWriter();
writer.startElement("label", component);
writer.writeAttribute("for", id, null);
XhtmlLafRenderer.renderStyleClassAttribute(context,
_HIDDEN_LABEL_CLASS);
writer.writeText(text, null);
writer.endElement("label");
}
}
}
/**
* Remembers that a "normal" hidden label has already been outputted.
* Note that this really is distinct from FormRenderer.addLabelMapping();
* the latter is called whether or not we've actually outputted
* a <label> tag, since the values are needed for validation.
*/
static public void rememberLabel(
UIXRenderingContext context,
Object id)
{
if (id != null)
{
context.setProperty(UIConstants.MARLIN_NAMESPACE,
_LABEL_KEY,
id.toString());
}
}
private static final String _HIDDEN_LABEL_CLASS =
"p_OraHiddenLabel";
// Key used for storing the "last" label ID
private static final Object _LABEL_KEY = new Object();
private HiddenLabelUtils()
{
}
}