/*
    * 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.inputAjax;
  
  import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlTextRendererBase;
  import org.apache.myfaces.shared_tomahawk.renderkit.html.HtmlRendererUtils;
  import org.apache.myfaces.shared_tomahawk.renderkit.html.HTML;
  import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;
  import org.apache.myfaces.renderkit.html.util.AddResource;
  import org.apache.myfaces.custom.ajax.api.AjaxRenderer;
  import org.apache.myfaces.custom.ajax.util.AjaxRendererUtils;
  import org.apache.myfaces.renderkit.html.util.AddResourceFactory;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  import javax.faces.context.FacesContext;
  import javax.faces.context.ResponseWriter;
  import javax.faces.component.UIComponent;
  import java.io.IOException;
  
  /**
   * 
   * @JSFRenderer
   *   renderKitId = "HTML_BASIC" 
   *   family = "javax.faces.Input"
   *   type = "org.apache.myfaces.InputTextAjax"
   *
   * User: treeder
   * Date: Oct 28, 2005
   * Time: 7:54:08 PM
   */
  public class HtmlInputTextAjaxRenderer extends HtmlTextRendererBase implements AjaxRenderer
  {
      private static final Log log = LogFactory.getLog(HtmlInputTextAjaxRenderer.class);
      private static final String JAVASCRIPT_ENCODED = "org.apache.myfaces.custom.inputAjax.HtmlInputTextAjax.JAVASCRIPT_ENCODED";
  
  
      /**
       * Encodes any stand-alone javascript functions that are needed.
       * Uses either the extension filter, or a
       * user-supplied location for the javascript files.
       *
       * @param context   FacesContext
       * @param component UIComponent
       * @throws java.io.IOException
       */
      private void encodeJavascript(FacesContext context, UIComponent component) throws IOException
      {
          HtmlInputTextAjax comp = (HtmlInputTextAjax) component;
  
          AddResource addResource = AddResourceFactory.getInstance(context);
  
          AjaxRendererUtils.addPrototypeScript(context, component, addResource);
  
          ResponseWriter out = context.getResponseWriter();
          AjaxRendererUtils.writeAjaxScript(context, out, comp);
  
          context.getExternalContext().getRequestMap().put(JAVASCRIPT_ENCODED, Boolean.TRUE);
      }
  
  
  
  
      public void encodeEnd(FacesContext context, UIComponent component) throws IOException
      {
          log.debug("encodeEnd in HtmlInputTextAjaxRenderer");
          RendererUtils.checkParamValidity(context, component, HtmlInputTextAjax.class);
  
          if (HtmlRendererUtils.isDisplayValueOnly(component) || isDisabled(context, component))
          {
              super.encodeEnd(context, component);
              return;
          }
  
          String clientId = component.getClientId(context);
          String submitFunctionStart = AjaxRendererUtils.JS_MYFACES_NAMESPACE + "ajaxSubmit1('" + clientId + "');";
          HtmlInputTextAjax comp = (HtmlInputTextAjax) component;
          String loadingStyleClass = AjaxRendererUtils.STYLECLASS_LOADER;
          //comp.setStyleClass(comp.getStyleClass() == null ? loadingStyleClass : comp.getStyleClass() + ";" + loadingStyleClass);
          String styleClass = comp.getStyleClass();
          if(styleClass != null && styleClass.length() > 0)
          {
             comp.setStyleClass(loadingStyleClass + " " + styleClass);
         }
         else
         {
             comp.setStyleClass(loadingStyleClass);
         }
 
         if(!comp.getShowOkButton().booleanValue()){
             // then submit on change
             //comp.setOnchange(comp.getOnchange() == null ? submitFunctionStart : comp.getOnchange() + ";" + submitFunctionStart);
             String onchange = comp.getOnchange();
             if(onchange != null && onchange.length() > 0) 
             {
                 if(!onchange.endsWith(";")) 
                 {
                     onchange += ";";
                 }
                 comp.setOnchange(submitFunctionStart+onchange);
             } 
             else 
             {
                 comp.setOnchange(submitFunctionStart);
             }
         }
         this.encodeJavascript(context, component);
         super.encodeEnd(context, component);
 
         ResponseWriter writer = context.getResponseWriter();
         if(comp.getShowOkButton() != null && comp.getShowOkButton().booleanValue()){
             // then show an ok button
             writer.startElement(HTML.INPUT_ELEM, comp);
             writer.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_BUTTON, null);
             String okText = comp.getOkText() != null ? comp.getOkText() : "Ok";
             writer.writeAttribute(HTML.VALUE_ATTR, okText, null);
             writer.writeAttribute(HTML.ONCLICK_ATTR, submitFunctionStart, null);
             writer.endElement(HTML.INPUT_TYPE_BUTTON);
             if(comp.getShowCancelButton() != null && comp.getShowCancelButton().booleanValue()){
                 // put a space here
                 writer.write(" ");
                 writer.startElement(HTML.ANCHOR_ELEM, comp);
                 writer.writeAttribute(HTML.HREF_ATTR, "javascript:" + AjaxRendererUtils.JS_MYFACES_NAMESPACE + "clearById('" + clientId + "');", null);
                 String cancelText = comp.getCancelText() != null ? comp.getCancelText() : "cancel";
                 writer.writeText(cancelText, null);
                 writer.endElement(HTML.ANCHOR_ELEM);
             }
         }
 
         // output a span for error messages
         /*writer.startElement(HTML.SPAN_ELEM, component);
         writer.writeAttribute(HTML.ID_ATTR, "msgFor_" + clientId, null);
         writer.writeText(" ", null);
         writer.endElement(HTML.SPAN_ELEM);*/
 
 
     }
 
     public void encodeAjax(FacesContext context, UIComponent component) throws IOException
     {
         log.debug("encodeAjax in HtmlInputTextAjaxRenderer");
         AjaxRendererUtils.encodeAjax(context, component);
     }
 }