svn commit: r548270 - in /incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html: IHeaderResponse.java internal/HeaderResponse.java

[almaw]

Author: almaw
Date: Mon Jun 18 02:14:08 2007
New Revision: 548270

URL: http://svn.apache.org/viewvc?view=rev&rev=548270
Log:
renderOnBeforeUnloadJavascript

Modified:
    
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/IHeaderResponse.java
    
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/internal/HeaderResponse.java

Modified: 
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/IHeaderResponse.java
URL: 
http://svn.apache.org/viewvc/incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/IHeaderResponse.java?view=diff&rev=548270&r1=548269&r2=548270
==============================================================================
--- 
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/IHeaderResponse.java
 (original)
+++ 
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/IHeaderResponse.java
 Mon Jun 18 02:14:08 2007
@@ -174,4 +174,11 @@
         * @param javascript
         */
        public void renderOnLoadJavascript(String javascript);
+       
+       /**
+        * Renders javascript that is executed before a page is unloaded.
+        * 
+        * @param javascript
+        */
+       public void renderOnBeforeUnloadJavascript(String javascript);
 }

Modified: 
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/internal/HeaderResponse.java
URL: 
http://svn.apache.org/viewvc/incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/internal/HeaderResponse.java?view=diff&rev=548270&r1=548269&r2=548270
==============================================================================
--- 
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/internal/HeaderResponse.java
 (original)
+++ 
incubator/wicket/trunk/jdk-1.4/wicket/src/main/java/org/apache/wicket/markup/html/internal/HeaderResponse.java
 Mon Jun 18 02:14:08 2007
@@ -197,4 +197,18 @@
                }
        }
 
+       /**
+        * @see 
org.apache.wicket.markup.html.IHeaderResponse#renderOnBeforeUnloadJavascript(java.lang.String)
+        */
+       public void renderOnBeforeUnloadJavascript(String javascript)
+       {
+               List token = Arrays.asList(new Object[] { "javascript-event", 
"beforeunload", javascript });
+               if (wasRendered(token) == false)
+               {
+                       
renderJavascriptReference(WicketEventReference.INSTANCE);
+                       JavascriptUtils.writeJavascript(getResponse(),
+                                       "Wicket.Event.add(window, 
\"beforeunload\", function() { " + javascript + ";});");
+                       markRendered(token);
+               }
+       }
 }