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Posted to commits@myfaces.apache.org by lo...@apache.org on 2016/02/10 10:44:24 UTC

svn commit: r1729565 - in /myfaces/tobago/branches/tobago-3.0.x: tobago-core/src/main/java/org/apache/myfaces/tobago/internal/component/ tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/ tobago-example/tobago-example-demo/src/main/webapp/ ...

Author: lofwyr
Date: Wed Feb 10 09:44:24 2016
New Revision: 1729565

URL: http://svn.apache.org/viewvc?rev=1729565&view=rev
Log:
TOBAGO-1524: Use standard ajax mechanism
Progress:
 * Writing a basic AjaxClientBehaviorRenderer which prepares the data to be writable into data attributes
 * Basic support for <f:ajax> in <tc:button>

Added:
    myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/AjaxClientBehaviorRenderer.java
Modified:
    myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/component/AbstractUICommand.java
    myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/TobagoRenderKit.java
    myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/content/50-partial/partial.xhtml
    myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/menu.xhtml
    myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/Command.java
    myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/standard/standard/tag/ButtonRenderer.java
    myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/util/HtmlRendererUtils.java
    myfaces/tobago/branches/tobago-3.0.x/tobago-tool/tobago-tool-apt/src/main/java/org/apache/myfaces/tobago/apt/processor/FacesConfigGenerator.java

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/component/AbstractUICommand.java
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/component/AbstractUICommand.java?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/component/AbstractUICommand.java (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/component/AbstractUICommand.java Wed Feb 10 09:44:24 2016
@@ -29,14 +29,20 @@ import org.apache.myfaces.tobago.util.Co
 
 import javax.faces.component.UICommand;
 import javax.faces.component.UIComponent;
+import javax.faces.component.behavior.ClientBehaviorHolder;
 import javax.faces.context.FacesContext;
 import javax.faces.event.FacesEvent;
 import javax.faces.event.PhaseId;
+import java.util.Arrays;
+import java.util.Collection;
 import java.util.Iterator;
 
 public abstract class AbstractUICommand
     extends UICommand
-    implements SupportsRenderedPartially, SupportsAccessKey, OnComponentPopulated, Visual {
+    implements SupportsRenderedPartially, SupportsAccessKey, OnComponentPopulated, Visual, ClientBehaviorHolder {
+
+  // todo generate
+  private static final Collection<String> EVENT_NAMES = Arrays.asList("click");
 
   // todo: transient
   private Boolean parentOfCommands;
@@ -100,6 +106,18 @@ public abstract class AbstractUICommand
     return parentOfCommands;
   }
 
+  // todo generate
+  @Override
+  public String getDefaultEventName() {
+    return "click";
+  }
+
+  // todo generate
+  @Override
+  public Collection<String> getEventNames() {
+    return EVENT_NAMES;
+  }
+
   public abstract String getLabel();
 
   public abstract boolean isJsfResource();

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/TobagoRenderKit.java
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/TobagoRenderKit.java?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/TobagoRenderKit.java (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/TobagoRenderKit.java Wed Feb 10 09:44:24 2016
@@ -36,6 +36,7 @@ import javax.faces.FactoryFinder;
 import javax.faces.context.FacesContext;
 import javax.faces.context.ResponseStream;
 import javax.faces.context.ResponseWriter;
+import javax.faces.render.ClientBehaviorRenderer;
 import javax.faces.render.RenderKit;
 import javax.faces.render.RenderKitFactory;
 import javax.faces.render.Renderer;
@@ -43,19 +44,22 @@ import javax.faces.render.ResponseStateM
 import java.io.OutputStream;
 import java.io.Writer;
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.Map;
 
 public class TobagoRenderKit extends RenderKit {
 
   private static final Logger LOG = LoggerFactory.getLogger(TobagoRenderKit.class);
 
-  public static final String RENDER_KIT_ID = "tobago";
-
-  private RenderKit htmlBasicRenderKit;
+  private final RenderKit htmlBasicRenderKit;
 
   private Map<Key, Renderer> renderers = new HashMap<Key, Renderer>();
 
   public TobagoRenderKit() {
+    RenderKitFactory rkFactory = (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
+    htmlBasicRenderKit =
+        rkFactory.getRenderKit(FacesContext.getCurrentInstance(), RenderKitFactory.HTML_BASIC_RENDER_KIT);
+    LOG.error("Creating TobagoRenderKit with base: {}", htmlBasicRenderKit);
     if (LOG.isDebugEnabled()) {
       LOG.debug("Creating TobagoRenderKit");
     }
@@ -65,8 +69,7 @@ public class TobagoRenderKit extends Ren
   public Renderer getRenderer(final String family, final String rendererType) {
     Renderer renderer = renderers.get(new Key(family, rendererType));
     if (renderer == null) {
-      final RenderKit renderKit = getHtmlBasicRenderKit();
-      renderer = renderKit.getRenderer(family, rendererType);
+      renderer = htmlBasicRenderKit.getRenderer(family, rendererType);
       if (renderer != null) {
         renderer = new RendererBaseWrapper(renderer);
       }
@@ -80,15 +83,6 @@ public class TobagoRenderKit extends Ren
     return renderer;
   }
 
-  private RenderKit getHtmlBasicRenderKit() {
-    if (htmlBasicRenderKit == null) {
-      final RenderKitFactory rkFactory = (RenderKitFactory) FactoryFinder.getFactory(FactoryFinder.RENDER_KIT_FACTORY);
-      htmlBasicRenderKit =
-          rkFactory.getRenderKit(FacesContext.getCurrentInstance(), RenderKitFactory.HTML_BASIC_RENDER_KIT);
-    }
-    return htmlBasicRenderKit;
-  }
-
   @Override
   public ResponseWriter createResponseWriter(
       final Writer writer, final String contentTypeList, final String characterEncoding) {
@@ -145,12 +139,24 @@ public class TobagoRenderKit extends Ren
 
   @Override
   public ResponseStateManager getResponseStateManager() {
-    return getHtmlBasicRenderKit().getResponseStateManager();
+    return htmlBasicRenderKit.getResponseStateManager();
   }
 
   @Override
   public ResponseStream createResponseStream(final OutputStream outputStream) {
-    return getHtmlBasicRenderKit().createResponseStream(outputStream);
+    return htmlBasicRenderKit.createResponseStream(outputStream);
+  }
+
+  public void addClientBehaviorRenderer(String type, ClientBehaviorRenderer renderer) {
+    htmlBasicRenderKit.addClientBehaviorRenderer(type, renderer);
+  }
+
+  public ClientBehaviorRenderer getClientBehaviorRenderer(String type) {
+    return htmlBasicRenderKit.getClientBehaviorRenderer(type);
+  }
+
+  public Iterator<String> getClientBehaviorRendererTypes() {
+    return htmlBasicRenderKit.getClientBehaviorRendererTypes();
   }
 
   private static final class Key {

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/content/50-partial/partial.xhtml
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/content/50-partial/partial.xhtml?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/content/50-partial/partial.xhtml (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/content/50-partial/partial.xhtml Wed Feb 10 09:44:24 2016
@@ -86,8 +86,11 @@
           <tc:gridLayout columns="*;*" rows="auto;auto;auto;auto;auto;auto;auto"/>
         </f:facet>
 
+        <!--renderedPartially="left :page:header:headerInfo"-->
         <tc:button label="Reload left" tip="Reload left side box"
-                   action="#{partialReloadController.reload}" renderedPartially="left :page:header:headerInfo"/>
+                   action="#{partialReloadController.reload}">
+          <f:ajax render="left :page:header:headerInfo"/>
+        </tc:button>
 
         <tc:button label="Reload right" tip="Reload right side box"
                    action="#{partialReloadController.reload}" renderedPartially="right :page:header:headerInfo"/>

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/menu.xhtml
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/menu.xhtml?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/menu.xhtml (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-example/tobago-example-demo/src/main/webapp/menu.xhtml Wed Feb 10 09:44:24 2016
@@ -23,7 +23,7 @@
 
   <tc:nav image="image/feather-leaf.png" label="Tobago Demo">
 
-    <tc:form>
+    <tc:form id="header">
 
       <tc:commandGroup>
 
@@ -81,7 +81,7 @@
 
       </tc:commandGroup>
       <!-- TBD: this is not nice: can we put tc:out or tc:label into the menu?  -->
-      <tc:commandGroup>
+      <tc:commandGroup id="headerInfo">
         <tc:command omit="true" label="Info">
           <tc:command omit="true" label="Theme: #{clientConfigController.localizedTheme}"/>
           <tc:command omit="true" label="Locale: #{clientConfigController.localizedLocale}"/>

Added: myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/AjaxClientBehaviorRenderer.java
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/AjaxClientBehaviorRenderer.java?rev=1729565&view=auto
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/AjaxClientBehaviorRenderer.java (added)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/AjaxClientBehaviorRenderer.java Wed Feb 10 09:44:24 2016
@@ -0,0 +1,59 @@
+/*
+ * 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;
+
+import org.apache.myfaces.tobago.internal.component.AbstractUICommand;
+import org.apache.myfaces.tobago.renderkit.util.RenderUtils;
+import org.apache.myfaces.tobago.util.ComponentUtils;
+
+import javax.faces.component.behavior.AjaxBehavior;
+import javax.faces.component.behavior.ClientBehavior;
+import javax.faces.component.behavior.ClientBehaviorContext;
+import javax.faces.context.FacesContext;
+import javax.faces.render.ClientBehaviorRenderer;
+import java.util.Collection;
+
+public class AjaxClientBehaviorRenderer extends ClientBehaviorRenderer {
+
+  @Override
+  public String getScript(ClientBehaviorContext behaviorContext, ClientBehavior behavior) {
+
+    final AjaxBehavior ajaxBehavior = (AjaxBehavior) behavior;
+    final AbstractUICommand component = (AbstractUICommand) behaviorContext.getComponent();
+    final FacesContext facesContext = behaviorContext.getFacesContext();
+    final Collection<String> render = ajaxBehavior.getRender();
+
+    final Command command = new Command(
+        null,
+        component.isTransition(),
+        component.getTarget(),
+        RenderUtils.generateUrl(facesContext, component),
+        ComponentUtils.evaluateClientIds(facesContext, component, render.toArray(new String[render.size()])),
+        null,
+        null, // getConfirmation(command), // todo
+        null,
+        Popup.createPopup(component),
+        component.isOmit());
+
+    final CommandMap map = new CommandMap();
+    map.addCommand(behaviorContext.getEventName(), command);
+    return JsonUtils.encode(map);
+  }
+}

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/Command.java
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/Command.java?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/Command.java (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/Command.java Wed Feb 10 09:44:24 2016
@@ -69,6 +69,20 @@ public class Command {
     this.omit = omit;
   }
 
+  public Command(final FacesContext facesContext, final AbstractUICommand command, String[] ids) {
+    this(
+        null,
+        command.isTransition(),
+        command.getTarget(),
+        RenderUtils.generateUrl(facesContext, command),
+        ComponentUtils.evaluateClientIds(facesContext, command, ids),
+        null,
+        getConfirmation(command),
+        null,
+        Popup.createPopup(command),
+        command.isOmit());
+  }
+
   public Command(final FacesContext facesContext, final AbstractUICommand command) {
     this(
         null,

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/standard/standard/tag/ButtonRenderer.java
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/standard/standard/tag/ButtonRenderer.java?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/standard/standard/tag/ButtonRenderer.java (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/standard/standard/tag/ButtonRenderer.java Wed Feb 10 09:44:24 2016
@@ -43,8 +43,15 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.faces.component.UIComponent;
+import javax.faces.component.behavior.ClientBehavior;
+import javax.faces.component.behavior.ClientBehaviorBase;
+import javax.faces.component.behavior.ClientBehaviorContext;
+import javax.faces.component.behavior.ClientBehaviorHolder;
 import javax.faces.context.FacesContext;
+import javax.faces.render.ClientBehaviorRenderer;
 import java.io.IOException;
+import java.util.List;
+import java.util.Map;
 
 public class ButtonRenderer extends CommandRendererBase {
 
@@ -72,9 +79,6 @@ public class ButtonRenderer extends Comm
     writer.writeAttribute(HtmlAttributes.DISABLED, disabled);
 
     if (!disabled) {
-      final CommandMap map = new CommandMap(new Command(facesContext, button));
-      writer.writeAttribute(DataAttributes.COMMANDS, JsonUtils.encode(map), true);
-
       writer.writeAttribute(HtmlAttributes.HREF, "#", false);
 
       if (label.getAccessKey() != null) {
@@ -88,6 +92,30 @@ public class ButtonRenderer extends Comm
           writer.writeAttribute(HtmlAttributes.TABINDEX, tabIndex);
         }
       }
+
+      String commands = null;
+      final Map<String, List<ClientBehavior>> behaviors = ((ClientBehaviorHolder) component).getClientBehaviors();
+      for (Map.Entry<String, List<ClientBehavior>> behavior : behaviors.entrySet()) {
+        final String key = behavior.getKey();
+        final ClientBehaviorContext context
+            = ClientBehaviorContext.createClientBehaviorContext(facesContext, button, key, clientId, null);
+        for (ClientBehavior clientBehavior : behavior.getValue()) {
+          if (clientBehavior instanceof ClientBehaviorBase) {
+            final String type = ((ClientBehaviorBase) clientBehavior).getRendererType();
+            final ClientBehaviorRenderer clientBehaviorRenderer
+                = facesContext.getRenderKit().getClientBehaviorRenderer(type);
+            commands = clientBehaviorRenderer.getScript(context, clientBehavior);
+          } else {
+            LOG.warn("Ignoring: '{}'", clientBehavior);
+          }
+        }
+      }
+
+      if (commands == null) {
+        final CommandMap map = new CommandMap(new Command(facesContext, button));
+        commands =  JsonUtils.encode(map);
+      }
+      writer.writeAttribute(DataAttributes.COMMANDS, commands, true);
     }
 
     writer.writeStyleAttribute(button.getStyle());

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/util/HtmlRendererUtils.java
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/util/HtmlRendererUtils.java?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/util/HtmlRendererUtils.java (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-theme/tobago-theme-standard/src/main/java/org/apache/myfaces/tobago/renderkit/html/util/HtmlRendererUtils.java Wed Feb 10 09:44:24 2016
@@ -318,7 +318,7 @@ public final class HtmlRendererUtils {
             if (commandMap == null) {
               commandMap = new CommandMap();
             }
-            commandMap.addCommand(columnEvent.getEvent(), new Command(facesContext, action, null));
+            commandMap.addCommand(columnEvent.getEvent(), new Command(facesContext, action, (String) null));
           }
         }
       }

Modified: myfaces/tobago/branches/tobago-3.0.x/tobago-tool/tobago-tool-apt/src/main/java/org/apache/myfaces/tobago/apt/processor/FacesConfigGenerator.java
URL: http://svn.apache.org/viewvc/myfaces/tobago/branches/tobago-3.0.x/tobago-tool/tobago-tool-apt/src/main/java/org/apache/myfaces/tobago/apt/processor/FacesConfigGenerator.java?rev=1729565&r1=1729564&r2=1729565&view=diff
==============================================================================
--- myfaces/tobago/branches/tobago-3.0.x/tobago-tool/tobago-tool-apt/src/main/java/org/apache/myfaces/tobago/apt/processor/FacesConfigGenerator.java (original)
+++ myfaces/tobago/branches/tobago-3.0.x/tobago-tool/tobago-tool-apt/src/main/java/org/apache/myfaces/tobago/apt/processor/FacesConfigGenerator.java Wed Feb 10 09:44:24 2016
@@ -120,6 +120,9 @@ public class FacesConfigGenerator extend
   private static final String RENDER_KIT_CLASS = "render-kit-class";
   private static final String RENDERER_TYPE = "renderer-type";
   private static final String RENDERER_CLASS = "renderer-class";
+  private static final String CLIENT_BEHAVIOR_RENDERER = "client-behavior-renderer";
+  private static final String CLIENT_BEHAVIOR_RENDERER_TYPE = "client-behavior-renderer-type";
+  private static final String CLIENT_BEHAVIOR_RENDERER_CLASS = "client-behavior-renderer-class";
 
   private static final Set<String> IGNORED_PROPERTIES = new HashSet<String>(Arrays.asList("binding"));
 
@@ -202,6 +205,16 @@ public class FacesConfigGenerator extend
         renderKitClass.setText("org.apache.myfaces.tobago.renderkit.TobagoRenderKit");
         renderKit.addContent(renderKitClass);
         renderKit.addContent(newRenderer);
+
+        final org.jdom.Element clientBehaviorRender = new org.jdom.Element(CLIENT_BEHAVIOR_RENDERER, namespace);
+        final org.jdom.Element clientBehaviorType = new org.jdom.Element(CLIENT_BEHAVIOR_RENDERER_TYPE, namespace);
+        clientBehaviorType.setText("javax.faces.behavior.Ajax");
+        clientBehaviorRender.addContent(clientBehaviorType);
+        final org.jdom.Element clientBehaviorClass = new org.jdom.Element(CLIENT_BEHAVIOR_RENDERER_CLASS, namespace);
+        clientBehaviorClass.setText("org.apache.myfaces.tobago.renderkit.html.AjaxClientBehaviorRenderer");
+        clientBehaviorRender.addContent(clientBehaviorClass);
+        renderKit.addContent(clientBehaviorRender);
+
         final int lastIndex = getIndexAfter(rootElement, CONVERTER, COMPONENT, FACTORY, APPLICATION);
         rootElement.addContent(lastIndex, renderKit);
       }