org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlSelectableRendererBase Maven / Gradle / Ivy

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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 JSF2.1 features. A JSF2.1 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.shared_tomahawk.renderkit.html;

import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.faces.component.UIComponent;
import javax.faces.component.UISelectMany;
import javax.faces.component.UISelectOne;
import javax.faces.component.behavior.ClientBehavior;
import javax.faces.component.behavior.ClientBehaviorHolder;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import javax.faces.convert.Converter;
import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
import org.apache.myfaces.shared_tomahawk.renderkit.html.util.JavascriptUtils;

/**
 *
 * @author Leonardo Uribe
 */
public class HtmlSelectableRendererBase extends HtmlRenderer
{
    
    protected void internalRenderSelect(FacesContext facesContext,
            UIComponent uiComponent, boolean disabled, int size,
            boolean selectMany, Converter converter) throws IOException
    {
        ResponseWriter writer = facesContext.getResponseWriter();
        writer.startElement(HTML.SELECT_ELEM, uiComponent);
        if (uiComponent instanceof ClientBehaviorHolder
                && JavascriptUtils.isJavascriptAllowed(facesContext
                        .getExternalContext())
                && !((ClientBehaviorHolder) uiComponent).getClientBehaviors()
                        .isEmpty())
        {
            writer.writeAttribute(HTML.ID_ATTR,
                    uiComponent.getClientId(facesContext), null);
        }
        else
        {
            HtmlRendererUtils.writeIdIfNecessary(writer, uiComponent,
                    facesContext);
        }
        writer.writeAttribute(HTML.NAME_ATTR,
                uiComponent.getClientId(facesContext), null);
        List selectItemList;
        if (selectMany)
        {
            writer.writeAttribute(HTML.MULTIPLE_ATTR, HTML.MULTIPLE_ATTR, null);
            selectItemList = org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils
                    .getSelectItemList((UISelectMany) uiComponent, facesContext);
        }
        else
        {
            selectItemList = RendererUtils.getSelectItemList(
                    (UISelectOne) uiComponent, facesContext);
        }

        if (size == Integer.MIN_VALUE)
        {
            //No size given (Listbox) --> size is number of select items
            writer.writeAttribute(HTML.SIZE_ATTR,
                    Integer.toString(selectItemList.size()), null);
        }
        else
        {
            writer.writeAttribute(HTML.SIZE_ATTR, Integer.toString(size), null);
        }
        Map> behaviors = null;
        if (uiComponent instanceof ClientBehaviorHolder
                && JavascriptUtils.isJavascriptAllowed(facesContext
                        .getExternalContext()))
        {
            behaviors = ((ClientBehaviorHolder) uiComponent)
                    .getClientBehaviors();
            long commonPropertiesMarked = 0L;
            if (isCommonPropertiesOptimizationEnabled(facesContext))
            {
                commonPropertiesMarked = CommonPropertyUtils.getCommonPropertiesMarked(uiComponent);
            }
            if (behaviors.isEmpty() && isCommonPropertiesOptimizationEnabled(facesContext))
            {
                CommonPropertyUtils.renderChangeEventProperty(writer, 
                        commonPropertiesMarked, uiComponent);
                CommonPropertyUtils.renderEventProperties(writer, 
                        commonPropertiesMarked, uiComponent);
                CommonPropertyUtils.renderFieldEventPropertiesWithoutOnchange(writer, 
                        commonPropertiesMarked, uiComponent);
            }
            else
            {
                HtmlRendererUtils.renderBehaviorizedOnchangeEventHandler(facesContext, writer,
                        uiComponent, behaviors);
                if (isCommonEventsOptimizationEnabled(facesContext))
                {
                    Long commonEventsMarked = CommonEventUtils.getCommonEventsMarked(uiComponent);
                    CommonEventUtils.renderBehaviorizedEventHandlers(facesContext, writer, 
                            commonPropertiesMarked, commonEventsMarked, uiComponent, behaviors);
                    CommonEventUtils.renderBehaviorizedFieldEventHandlersWithoutOnchange(
                        facesContext, writer, commonPropertiesMarked, commonEventsMarked, uiComponent, behaviors);
                }
                else
                {
                    HtmlRendererUtils.renderBehaviorizedEventHandlers(facesContext, writer, uiComponent,
                            behaviors);
                    HtmlRendererUtils.renderBehaviorizedFieldEventHandlersWithoutOnchange(facesContext,
                            writer, uiComponent, behaviors);
                }
            }
            if (isCommonPropertiesOptimizationEnabled(facesContext))
            {
                CommonPropertyUtils.renderSelectPassthroughPropertiesWithoutDisabledAndEvents(writer, 
                        CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), uiComponent);
            }
            else
            {
                HtmlRendererUtils.renderHTMLAttributes(
                        writer,
                        uiComponent,
                        HTML.SELECT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED_AND_EVENTS);
            }
        }
        else
        {
            if (isCommonPropertiesOptimizationEnabled(facesContext))
            {
                CommonPropertyUtils.renderSelectPassthroughPropertiesWithoutDisabled(writer, 
                        CommonPropertyUtils.getCommonPropertiesMarked(uiComponent), uiComponent);
            }
            else
            {
                HtmlRendererUtils.renderHTMLAttributes(writer, uiComponent,
                        HTML.SELECT_PASSTHROUGH_ATTRIBUTES_WITHOUT_DISABLED);
            }
        }

        if (disabled)
        {
            writer.writeAttribute(HTML.DISABLED_ATTR, Boolean.TRUE, null);
        }

        if (HtmlRendererUtils.isReadOnly(uiComponent))
        {
            writer.writeAttribute(HTML.READONLY_ATTR, HTML.READONLY_ATTR, null);
        }

        Set lookupSet = HtmlRendererUtils.getSubmittedOrSelectedValuesAsSet(selectMany,
                uiComponent, facesContext, converter);

        HtmlRendererUtils.renderSelectOptions(facesContext, uiComponent, converter, lookupSet,
                selectItemList);
        // bug #970747: force separate end tag
        writer.writeText(HtmlRendererUtils.STR_EMPTY, null);
        writer.endElement(HTML.SELECT_ELEM);
    }
    
}