/*
    * 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.tobago.renderkit.html.scarborough.standard.tag;
  
  import org.apache.myfaces.tobago.component.UISelectManyCheckbox;
  import org.apache.myfaces.tobago.config.Configurable;
  import org.apache.myfaces.tobago.context.Markup;
  import org.apache.myfaces.tobago.layout.Measure;
  import org.apache.myfaces.tobago.renderkit.SelectManyRendererBase;
  import org.apache.myfaces.tobago.renderkit.css.Classes;
  import org.apache.myfaces.tobago.renderkit.css.Style;
  import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
  import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
  import org.apache.myfaces.tobago.renderkit.html.HtmlInputTypes;
  import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
  import org.apache.myfaces.tobago.renderkit.util.RenderUtils;
  import org.apache.myfaces.tobago.util.ComponentUtils;
  import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
  
  import javax.faces.component.NamingContainer;
  import javax.faces.component.UIComponent;
  import javax.faces.component.UISelectMany;
  import javax.faces.context.FacesContext;
  import javax.faces.model.SelectItem;
  import java.io.IOException;
  import java.util.List;
  
  public class SelectManyCheckboxRenderer extends SelectManyRendererBase {
  
    public void prepareRender(FacesContext facesContext, UIComponent component) throws IOException {
      UISelectManyCheckbox select = (UISelectManyCheckbox) component;
      super.prepareRender(facesContext, select);
      if (select.isInline()) {
        ComponentUtils.addCurrentMarkup(select, Markup.INLINE);
      }
    }
  
    public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
      UISelectManyCheckbox select = (UISelectManyCheckbox) component;
      TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
  
      String id = select.getClientId(facesContext);
      List<SelectItem> items = RenderUtils.getItemsToRender(select);
      String title = HtmlRendererUtils.getTitleFromTipAndMessages(facesContext, select);
      boolean disabled = select.isDisabled();
      boolean readonly = select.isReadonly();
      boolean required = select.isRequired();
      Style style = new Style(facesContext, select);
      // fixme: use CSS, not the Style Attribute for "display"
      style.setDisplay(null);
  
      writer.startElement(HtmlElements.OL, select);
      writer.writeIdAttribute(id);
      writer.writeStyleAttribute(style);
      writer.writeClassAttribute(Classes.create(select));
      HtmlRendererUtils.writeDataAttributes(facesContext, writer, select);
      if (title != null) {
        writer.writeAttribute(HtmlAttributes.TITLE, title, true);
      }
      boolean first = true;
      Object[] values = select.getSelectedValues();
      for (SelectItem item : items) {
        String itemId = id + NamingContainer.SEPARATOR_CHAR + NamingContainer.SEPARATOR_CHAR + item.getValue().toString();
        writer.startElement(HtmlElements.LI, select);
        writer.startElement(HtmlElements.INPUT, select);
        writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.CHECKBOX, false);
        boolean checked = RenderUtils.contains(values, item.getValue());
        writer.writeAttribute(HtmlAttributes.CHECKED, checked);
        writer.writeNameAttribute(id);
        writer.writeIdAttribute(itemId);
        String formattedValue = RenderUtils.getFormattedValue(facesContext, select, item.getValue());
        writer.writeAttribute(HtmlAttributes.VALUE, formattedValue, true);
        writer.writeAttribute(HtmlAttributes.DISABLED, item.isDisabled() || disabled);
        writer.writeAttribute(HtmlAttributes.READONLY, readonly);
        writer.writeAttribute(HtmlAttributes.REQUIRED, required);
        if (first) {
          HtmlRendererUtils.renderFocus(id, select.isFocus(), ComponentUtils.isError(select), facesContext, writer);
          first = false;
        }
        Integer tabIndex = select.getTabIndex();
        if (tabIndex != null) {
          writer.writeAttribute(HtmlAttributes.TABINDEX, tabIndex);
       }
       HtmlRendererUtils.renderCommandFacet(select, itemId, facesContext, writer);
       writer.endElement(HtmlElements.INPUT);
 
       String label = item.getLabel();
       if (label != null) {
         writer.startElement(HtmlElements.LABEL, select);
         writer.writeAttribute(HtmlAttributes.FOR, itemId, false);
         writer.writeText(label);
         writer.endElement(HtmlElements.LABEL);
       }
 
       writer.endElement(HtmlElements.LI);
     }
     writer.endElement(HtmlElements.OL);
 
   }
 
   @Override
   public Measure getHeight(FacesContext facesContext, Configurable component) {
     UISelectManyCheckbox select = (UISelectManyCheckbox) component;
     Measure heightOfOne = super.getHeight(facesContext, component);
     if (select.isInline()) {
       return heightOfOne;
     } else {
       List<SelectItem> items = RenderUtils.getItemsToRender((UISelectMany) component);
       return heightOfOne.multiply(items.size());
     }
   }
 }