Author: mgrigorov
Date: Tue Nov  9 19:00:26 2010
New Revision: 1033158

URL: http://svn.apache.org/viewvc?rev=1033158&view=rev
Log:
WICKET-1382 Image could be made ajax aware

Add 'anti cache' parameter to Image components when rerendering in Ajax 
requests.

Added:
    
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxUpdatedImageTest.java
   (with props)
    
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.html
   (with props)
    
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.java
   (with props)
Modified:
    
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/Image.java
    
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/NonCachingImage.java

Modified: 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/Image.java
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/Image.java?rev=1033158&r1=1033157&r2=1033158&view=diff
==============================================================================
--- 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/Image.java
 (original)
+++ 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/Image.java
 Tue Nov  9 19:00:26 2010
@@ -18,6 +18,7 @@ package org.apache.wicket.markup.html.im
 
 import org.apache.wicket.Component;
 import org.apache.wicket.IResourceListener;
+import org.apache.wicket.ajax.AjaxRequestTarget;
 import org.apache.wicket.markup.ComponentTag;
 import org.apache.wicket.markup.MarkupStream;
 import org.apache.wicket.markup.html.WebComponent;
@@ -237,6 +238,25 @@ public class Image extends WebComponent 
                        
localizedImageResource.setResourceReference(resourceReference);
                }
                localizedImageResource.setSrcAttribute(tag);
+
+               if (AjaxRequestTarget.get() != null)
+               {
+                       addAntiCacheParameter(tag);
+               }
+       }
+
+       /**
+        * Adds random noise to the url every request to prevent the browser 
from caching the image.
+        * 
+        * @param tag
+        */
+       protected final void addAntiCacheParameter(final ComponentTag tag)
+       {
+               String url = tag.getAttributes().getString("src");
+               url = url + ((url.indexOf("?") >= 0) ? "&" : "?");
+               url = url + "wicket:antiCache=" + System.currentTimeMillis();
+
+               tag.put("src", url);
        }
 
        /**

Modified: 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/NonCachingImage.java
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/NonCachingImage.java?rev=1033158&r1=1033157&r2=1033158&view=diff
==============================================================================
--- 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/NonCachingImage.java
 (original)
+++ 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/image/NonCachingImage.java
 Tue Nov  9 19:00:26 2010
@@ -16,6 +16,7 @@
  */
 package org.apache.wicket.markup.html.image;
 
+import org.apache.wicket.ajax.AjaxRequestTarget;
 import org.apache.wicket.markup.ComponentTag;
 import org.apache.wicket.model.IModel;
 import org.apache.wicket.request.mapper.parameter.PageParameters;
@@ -124,11 +125,11 @@ public class NonCachingImage extends Ima
        {
                super.onComponentTag(tag);
 
-               String url = tag.getAttributes().getString("src");
-               url = url + ((url.indexOf("?") >= 0) ? "&" : "?");
-               url = url + "wicket:antiCache=" + System.currentTimeMillis();
-
-               tag.put("src", url);
+               // the parameter is already added for Ajax requests by the 
super call
+               if (AjaxRequestTarget.get() == null)
+               {
+                       addAntiCacheParameter(tag);
+               }
        }
 
 }

Added: 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxUpdatedImageTest.java
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxUpdatedImageTest.java?rev=1033158&view=auto
==============================================================================
--- 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxUpdatedImageTest.java
 (added)
+++ 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxUpdatedImageTest.java
 Tue Nov  9 19:00:26 2010
@@ -0,0 +1,56 @@
+/*
+ * 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.wicket.markup.html.image;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.apache.wicket.util.tester.TagTester;
+import org.apache.wicket.util.tester.WicketTester;
+import org.junit.Test;
+
+/**
+ * Test for WICKET-1382
+ */
+public class AjaxUpdatedImageTest
+{
+       /**
+        * Tests that Image re-rendered in Ajax request have 'wicket:antiCache' 
parameter in its 'src'
+        * attribute value
+        */
+       @Test
+       public void wicket1382()
+       {
+               WicketTester tester = new WicketTester();
+               AjaxyImagesPage page = 
(AjaxyImagesPage)tester.startPage(AjaxyImagesPage.class);
+
+               TagTester tagTester = 
tester.getTagById(page.image.getMarkupId());
+               final String srcAttr = tagTester.getAttribute("src");
+               assertFalse(
+                       "Image has not be rendered in Ajax request so it has no 
wicket:antiCache' parameter",
+                       srcAttr.contains("wicket:antiCache"));
+
+               // make an ajax call
+               tester.clickLink("link", true);
+               page = (AjaxyImagesPage)tester.getLastRenderedPage();
+               tagTester = tester.getTagById(page.image.getMarkupId());
+               final String imageAjaxComponent = tagTester.getValue();
+               assertTrue(
+                       "Image has not be rendered in Ajax request so it has no 
wicket:antiCache' parameter",
+                       imageAjaxComponent.contains("wicket:antiCache"));
+       }
+}

Propchange: 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxUpdatedImageTest.java
------------------------------------------------------------------------------
    svn:eol-style = native

Added: 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.html
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.html?rev=1033158&view=auto
==============================================================================
--- 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.html
 (added)
+++ 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.html
 Tue Nov  9 19:00:26 2010
@@ -0,0 +1,7 @@
+<html>
+
+       <body>
+               <img wicket:id="image"/>
+               <a wicket:id="link">link</a>
+       </body>
+</html>
\ No newline at end of file

Propchange: 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.html
------------------------------------------------------------------------------
    svn:eol-style = native

Added: 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.java
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.java?rev=1033158&view=auto
==============================================================================
--- 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.java
 (added)
+++ 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.java
 Tue Nov  9 19:00:26 2010
@@ -0,0 +1,45 @@
+/*
+ * 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.wicket.markup.html.image;
+
+import org.apache.wicket.ajax.AjaxRequestTarget;
+import org.apache.wicket.ajax.markup.html.AjaxLink;
+import org.apache.wicket.markup.html.WebPage;
+import org.apache.wicket.request.resource.PackageResourceReference;
+
+public final class AjaxyImagesPage extends WebPage
+{
+       public final Image image;
+
+       public AjaxyImagesPage()
+       {
+               image = new Image("image", new 
PackageResourceReference(AjaxyImagesPage.class, "Beer.gif"));
+               image.setOutputMarkupId(true);
+
+               add(image);
+
+               AjaxLink<Void> link = new AjaxLink<Void>("link")
+               {
+                       @Override
+                       public void onClick(AjaxRequestTarget target)
+                       {
+                               target.add(image);
+                       }
+               };
+               add(link);
+       }
+}

Propchange: 
wicket/trunk/wicket/src/test/java/org/apache/wicket/markup/html/image/AjaxyImagesPage.java
------------------------------------------------------------------------------
    svn:eol-style = native


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