You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@wicket.apache.org by iv...@apache.org on 2009/01/26 17:58:11 UTC

svn commit: r737748 - in /wicket/trunk/wicket/src/main/java/org/apache/wicket: Application.java Component.java IDetachListener.java settings/IFrameworkSettings.java settings/Settings.java

Author: ivaynberg
Date: Mon Jan 26 16:58:11 2009
New Revision: 737748

URL: http://svn.apache.org/viewvc?rev=737748&view=rev
Log:
WICKET-2020 component detach listener

Added:
    wicket/trunk/wicket/src/main/java/org/apache/wicket/IDetachListener.java   (with props)
Modified:
    wicket/trunk/wicket/src/main/java/org/apache/wicket/Application.java
    wicket/trunk/wicket/src/main/java/org/apache/wicket/Component.java
    wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/IFrameworkSettings.java
    wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/Settings.java

Modified: wicket/trunk/wicket/src/main/java/org/apache/wicket/Application.java
URL: http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/Application.java?rev=737748&r1=737747&r2=737748&view=diff
==============================================================================
--- wicket/trunk/wicket/src/main/java/org/apache/wicket/Application.java (original)
+++ wicket/trunk/wicket/src/main/java/org/apache/wicket/Application.java Mon Jan 26 16:58:11 2009
@@ -928,6 +928,13 @@
 	 */
 	protected void internalDestroy()
 	{
+		// destroy detach listener
+		final IDetachListener detachListener = getFrameworkSettings().getDetachListener();
+		if (detachListener != null)
+		{
+			detachListener.onDestroyListener();
+		}
+
 		// Clear caches of Class keys so the classloader can be garbage
 		// collected (WICKET-625)
 		PropertyResolver.destroy(this);

Modified: wicket/trunk/wicket/src/main/java/org/apache/wicket/Component.java
URL: http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/Component.java?rev=737748&r1=737747&r2=737748&view=diff
==============================================================================
--- wicket/trunk/wicket/src/main/java/org/apache/wicket/Component.java (original)
+++ wicket/trunk/wicket/src/main/java/org/apache/wicket/Component.java Mon Jan 26 16:58:11 2009
@@ -1137,6 +1137,9 @@
 		// children component's getmodelobject is called
 		detachModels();
 
+		// detach any behaviors
+		detachBehaviors();
+
 		// always detach children because components can be attached
 		// independently of their parents
 		detachChildren();
@@ -1152,6 +1155,14 @@
 
 		// clear out enabled state metadata
 		setMetaData(ENABLED_IN_HIERARCHY_CACHE_KEY, null);
+
+		// notify any detach listener
+		IDetachListener detachListener = getApplication().getFrameworkSettings()
+			.getDetachListener();
+		if (detachListener != null)
+		{
+			detachListener.onDetach(this);
+		}
 	}
 
 	/**
@@ -1193,9 +1204,6 @@
 	{
 		// Detach any detachable model from this component
 		detachModel();
-
-		// detach any behaviors
-		detachBehaviors();
 	}
 
 	/**

Added: wicket/trunk/wicket/src/main/java/org/apache/wicket/IDetachListener.java
URL: http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/IDetachListener.java?rev=737748&view=auto
==============================================================================
--- wicket/trunk/wicket/src/main/java/org/apache/wicket/IDetachListener.java (added)
+++ wicket/trunk/wicket/src/main/java/org/apache/wicket/IDetachListener.java Mon Jan 26 16:58:11 2009
@@ -0,0 +1,41 @@
+/*
+ * 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;
+
+/**
+ * Listens to {@link Component#detach()} calls.
+ * 
+ * Detach listeners are called as the last step in the process of detaching a component; this means
+ * the component is in a fully detached state when the listener is invoked.
+ * 
+ * @author igor.vaynberg
+ */
+public interface IDetachListener
+{
+	/**
+	 * Called when component is being detached via a call to {@link Component#detach()}
+	 * 
+	 * @param component
+	 *            component being detached
+	 */
+	void onDetach(Component component);
+
+	/**
+	 * Called when the application is being destroyed. Useful for cleaning up listener caches, etc.
+	 */
+	void onDestroyListener();
+}

Propchange: wicket/trunk/wicket/src/main/java/org/apache/wicket/IDetachListener.java
------------------------------------------------------------------------------
    svn:mime-type = text/plain

Modified: wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/IFrameworkSettings.java
URL: http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/IFrameworkSettings.java?rev=737748&r1=737747&r2=737748&view=diff
==============================================================================
--- wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/IFrameworkSettings.java (original)
+++ wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/IFrameworkSettings.java Mon Jan 26 16:58:11 2009
@@ -16,6 +16,8 @@
  */
 package org.apache.wicket.settings;
 
+import org.apache.wicket.IDetachListener;
+
 /**
  * Framework settings for retrieving and configuring framework settings.
  * 
@@ -37,4 +39,17 @@
 	 * @return the Wicket version
 	 */
 	public String getVersion();
+
+	/**
+	 * @return detach listener or <code>null</code> if none
+	 */
+	public IDetachListener getDetachListener();
+
+	/**
+	 * Sets detach listener
+	 * 
+	 * @param listener
+	 *            listener or <code>null</code> to remove
+	 */
+	public void setDetachListener(IDetachListener listener);
 }

Modified: wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/Settings.java
URL: http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/Settings.java?rev=737748&r1=737747&r2=737748&view=diff
==============================================================================
--- wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/Settings.java (original)
+++ wicket/trunk/wicket/src/main/java/org/apache/wicket/settings/Settings.java Mon Jan 26 16:58:11 2009
@@ -25,6 +25,7 @@
 
 import org.apache.wicket.Application;
 import org.apache.wicket.Component;
+import org.apache.wicket.IDetachListener;
 import org.apache.wicket.IPageFactory;
 import org.apache.wicket.IResourceFactory;
 import org.apache.wicket.IResponseFilter;
@@ -94,6 +95,8 @@
 		IFrameworkSettings,
 		IRequestLoggerSettings
 {
+	private IDetachListener detachListener;
+
 	private boolean outputComponentPath = false;
 
 	/** Class of access denied page. */
@@ -1478,4 +1481,22 @@
 		javascriptCompressor = compressor;
 		return old;
 	}
+
+	/**
+	 * @see org.apache.wicket.settings.IFrameworkSettings#getDetachListener()
+	 */
+	public IDetachListener getDetachListener()
+	{
+		return detachListener;
+	}
+
+	/**
+	 * @see org.apache.wicket.settings.IFrameworkSettings#setDetachListener(org.apache.wicket.IDetachListener)
+	 */
+	public void setDetachListener(IDetachListener detachListener)
+	{
+		this.detachListener = detachListener;
+	}
+
+
 }