NEW - bug 343210: [patch][api] framework should provide facility to be notified when the TaskDataModel is refreshed

https://bugs.eclipse.org/bugs/show_bug.cgi?id=343210

2 files changed, 21 insertions, 1 deletions

diff --git a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModel.java b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModel.java
index 712c44d2c..4b398071f 100644
--- a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModel.java
+++ b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModel.java
@@ -177,6 +177,19 @@ public class TaskDataModel {
 
 	public void refresh(IProgressMonitor monitor) throws CoreException {
 		workingCopy.refresh(monitor);
+		if (this.listeners != null) {
+			for (final TaskDataModelListener listener : listeners) {
+				SafeRunner.run(new ISafeRunnable() {
+					public void handleException(Throwable e) {
+						StatusHandler.log(new Status(IStatus.ERROR, ITasksCoreConstants.ID_PLUGIN, "Listener failed", e)); //$NON-NLS-1$
+					}
+
+					public void run() throws Exception {
+						listener.modelRefreshed();
+					}
+				});
+			}
+		}
 	}
 
 	public void removeModelListener(TaskDataModelListener listener) {
diff --git a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModelListener.java b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModelListener.java
index adde25198..b173b188e 100644
--- a/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModelListener.java
+++ b/org.eclipse.mylyn.tasks.core/src/org/eclipse/mylyn/tasks/core/data/TaskDataModelListener.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2004, 2008 Tasktop Technologies and others.
+ * Copyright (c) 2008 Tasktop Technologies and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -13,6 +13,7 @@ package org.eclipse.mylyn.tasks.core.data;
 
 /**
  * @author Steffen Pingel
+ * @author Sam Davis
  * @since 3.0
  */
 public abstract class TaskDataModelListener {
@@ -22,4 +23,10 @@ public abstract class TaskDataModelListener {
 	 */
 	public abstract void attributeChanged(TaskDataModelEvent event);
 
+	/**
+	 * @since 3.6
+	 */
+	public void modelRefreshed() {
+	}
+
 }