/*
    * Copyright (c) 2011-2024 PrimeFaces Extensions
    *
    *  Permission is hereby granted, free of charge, to any person obtaining a copy
    *  of this software and associated documentation files (the "Software"), to deal
    *  in the Software without restriction, including without limitation the rights
    *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    *  copies of the Software, and to permit persons to whom the Software is
    *  furnished to do so, subject to the following conditions:
   *
   *  The above copyright notice and this permission notice shall be included in
   *  all copies or substantial portions of the Software.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   *  THE SOFTWARE.
   */
  package org.primefaces.extensions.component.slideout;
  
  import java.io.IOException;
  
  import javax.faces.component.UIComponent;
  import javax.faces.context.FacesContext;
  import javax.faces.context.ResponseWriter;
  
  import org.primefaces.extensions.util.Attrs;
  import org.primefaces.extensions.util.ExtLangUtils;
  import org.primefaces.renderkit.CoreRenderer;
  import org.primefaces.util.HTML;
  import org.primefaces.util.WidgetBuilder;
  
  /**
   * Renderer for the {@link SlideOut} component.
   *
   * @author Melloware mellowaredev@gmail.com
   * @since 6.1
   */
  public class SlideOutRenderer extends CoreRenderer {
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void decode(final FacesContext context, final UIComponent component) {
          decodeBehaviors(context, component);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void encodeEnd(final FacesContext context, final UIComponent component) throws IOException {
          final SlideOut slideOut = (SlideOut) component;
          encodeMarkup(context, slideOut);
          encodeScript(context, slideOut);
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public void encodeChildren(final FacesContext context, final UIComponent component) {
          // Do nothing
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public boolean getRendersChildren() {
          return true;
      }
  
      /**
       * Create the HTML markup for the DOM.
       */
      private void encodeMarkup(final FacesContext context, final SlideOut slideOut) throws IOException {
          final ResponseWriter writer = context.getResponseWriter();
          final String clientId = slideOut.getClientId(context);
          final String widgetVar = slideOut.resolveWidgetVar();
  
          writer.startElement("div", slideOut);
          writer.writeAttribute("id", clientId, "id");
          writer.writeAttribute(HTML.WIDGET_VAR, widgetVar, null);
  
          if (slideOut.getPanelStyleClass() != null) {
              writer.writeAttribute(Attrs.CLASS, slideOut.getPanelStyleClass(), "styleClass");
          }
          if (slideOut.getPanelStyle() != null) {
              writer.writeAttribute(Attrs.STYLE, slideOut.getPanelStyle(), Attrs.STYLE);
          }
  
          // handle
          encodeHandle(context, slideOut);
  
         // content of the panel
         renderChildren(context, slideOut);
 
         writer.endElement("div");
     }
 
     /**
      * HTML markup for the tab handle.
      */
     private void encodeHandle(final FacesContext context, final SlideOut slideOut) throws IOException {
         final ResponseWriter writer = context.getResponseWriter();
         final String styleClass = getStyleClassBuilder(context)
                     .add(SlideOut.HANDLE_CLASS)
                     .add(slideOut.getHandleStyleClass())
                     .build();
 
         writer.startElement("a", null);
         writer.writeAttribute("id", getHandleId(context, slideOut), null);
         if (slideOut.getHandleStyle() != null) {
             writer.writeAttribute(Attrs.STYLE, slideOut.getHandleStyle(), Attrs.STYLE);
         }
         writer.writeAttribute(Attrs.CLASS, styleClass, "styleClass");
 
         // icon
         encodeIcon(context, slideOut);
 
         // handle text
         if (slideOut.getTitle() != null) {
             writer.writeText(slideOut.getTitle(), "title");
         }
 
         writer.endElement("a");
     }
 
     /**
      * HTML markup for the tab handle icon if defined.
      */
     private void encodeIcon(final FacesContext context, final SlideOut slideOut) throws IOException {
         if (slideOut.getIcon() == null) {
             return;
         }
 
         // fontawesome icons are OK but themeroller we need to add styles
         String icon = slideOut.getIcon().trim();
         if (icon.startsWith("ui")) {
             icon = "ui-icon " + icon + " ui-slideouttab-icon";
         }
 
         // <i class="ui-icon fa fa-television"></i>
         final ResponseWriter writer = context.getResponseWriter();
         writer.startElement("span", null);
         writer.writeAttribute(Attrs.CLASS, icon, null);
         writer.endElement("span");
         writer.write(" ");
     }
 
     /**
      * Create the Javascript.
      */
     private void encodeScript(final FacesContext context, final SlideOut slideOut) throws IOException {
         final WidgetBuilder wb = getWidgetBuilder(context);
         final String handleId = getHandleId(context, slideOut);
         wb.init("ExtSlideOut", slideOut);
         wb.attr("tabLocation", slideOut.getLocation());
         wb.attr("tabHandle", handleId);
         wb.attr("speed", slideOut.getAnimateSpeed());
         wb.attr("action", ExtLangUtils.lowerCase(slideOut.getShowOn()));
         wb.attr("clickScreenToClose", slideOut.isClickScreenToClose());
         wb.attr("onLoadSlideOut", slideOut.isAutoOpen());
         wb.attr("positioning", slideOut.isSticky() ? "absolute" : "fixed");
         wb.attr("offset", slideOut.getOffset());
         wb.attr("offsetReverse", slideOut.isOffsetReverse());
         wb.attr("handleOffsetReverse", slideOut.isHandleOffsetReverse());
         wb.attr("bounceTimes", slideOut.getBounceTimes());
         wb.attr("bounceDistance", slideOut.getBounceDistance());
         wb.nativeAttr("clickScreenToCloseFilters", "['.ui-slideouttab-panel', 'button', 'a']");
 
         if (slideOut.getHandleOffset() != null) {
             wb.attr("handleOffset", slideOut.getHandleOffset());
         }
 
         if (slideOut.getOnopen() != null) {
             wb.callback("onOpen", "function()", slideOut.getOnopen());
         }
         if (slideOut.getOnclose() != null) {
             wb.callback("onClose", "function()", slideOut.getOnclose());
         }
         if (slideOut.getOnslide() != null) {
             wb.callback("onSlide", "function()", slideOut.getOnslide());
         }
         if (slideOut.getOnbeforeopen() != null) {
             wb.callback("onBeforeOpen", "function()", slideOut.getOnbeforeopen());
         }
         if (slideOut.getOnbeforeclose() != null) {
             wb.callback("onBeforeClose", "function()", slideOut.getOnbeforeclose());
         }
         if (slideOut.getOnbeforeslide() != null) {
             wb.callback("onBeforeSlide", "function()", slideOut.getOnbeforeslide());
         }
 
         encodeClientBehaviors(context, slideOut);
 
         wb.finish();
     }
 
     private String getHandleId(final FacesContext context, final SlideOut slideOut) {
         final String clientId = slideOut.getClientId(context);
         return clientId + "_handle";
     }
 
 }