/*
* 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.custom.tree.renderkit.html;
import java.io.IOException;
import java.util.Set;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.component.UISelectMany;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import org.apache.myfaces.custom.tree.HtmlTreeCheckbox;
import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlCheckboxRendererBase;
/**
* @author <a href="mailto:dlestrat@apache.org">David Le Strat </a>
*/
public class HtmlTreeCheckboxRenderer extends HtmlCheckboxRendererBase
{
/**
* @see javax.faces.render.Renderer#encodeEnd(javax.faces.context.FacesContext,
* javax.faces.component.UIComponent)
*/
public void encodeEnd(FacesContext context, UIComponent component) throws IOException
{
HtmlTreeCheckbox checkbox = (HtmlTreeCheckbox) component;
String forAttr = checkbox.getFor();
if (forAttr == null)
{
throw new IllegalStateException("Mandatory attribute 'for'");
}
UIComponent uiComponent = checkbox.findComponent(forAttr);
if (uiComponent == null)
{
throw new IllegalStateException("Could not find component '" + forAttr
+ "' (calling findComponent on component '" + checkbox.getClientId(context) + "')");
}
if (!(uiComponent instanceof UISelectMany))
{
throw new IllegalStateException("UISelectMany expected");
}
UISelectMany uiSelectMany = (UISelectMany) uiComponent;
Converter converter;
try
{
converter = RendererUtils.findUISelectManyConverter(context, uiSelectMany);
}
catch (FacesException e)
{
converter = null;
}
Set lookupSet = RendererUtils.getSelectedValuesAsSet(context, component, converter, uiSelectMany);
Object itemValue = checkbox.getItemValue();
String itemStrValue = null;
if (converter == null)
{
if (null != itemValue)
{
itemStrValue = itemValue.toString();
}
}
else
{
itemStrValue = converter.getAsString(context, uiSelectMany, itemValue);
}
renderCheckbox(context,
uiSelectMany,
itemStrValue,
checkbox.getItemLabel(),
isDisabled(context,uiSelectMany),
lookupSet.contains(itemStrValue),
true);
}
/**
* @see org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlCheckboxRendererBase#isDisabled(javax.faces.context.FacesContext,
* javax.faces.component.UIComponent)
*/
protected boolean isDisabled(FacesContext facesContext, UIComponent uiComponent)
{
return super.isDisabled(facesContext, uiComponent);
}
/**
* @see javax.faces.render.Renderer#decode(javax.faces.context.FacesContext,
* javax.faces.component.UIComponent)
*/
public void decode(FacesContext facesContext, UIComponent uiComponent)
{
if (uiComponent instanceof HtmlTreeCheckbox)
{
//nothing to decode
}
else
{
super.decode(facesContext, uiComponent);
}
}
}