1 files changed, 51 insertions, 0 deletions
diff --git a/org.eclipse.debug.examples.mixedmode/src/org/eclipse/debug/internal/examples/mixedmode/ClearPreferredDelegatesHandler.java b/org.eclipse.debug.examples.mixedmode/src/org/eclipse/debug/internal/examples/mixedmode/ClearPreferredDelegatesHandler.java
new file mode 100644
index 000000000..fdef5de75
--- /dev/null
+++ b/org.eclipse.debug.examples.mixedmode/src/org/eclipse/debug/internal/examples/mixedmode/ClearPreferredDelegatesHandler.java
@@ -0,0 +1,51 @@
+/*******************************************************************************
+ * Copyright (c) Aug 19, 2013 IBM Corporation 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.debug.internal.examples.mixedmode;
+
+import java.util.Iterator;
+import java.util.Set;
+
+import org.eclipse.core.commands.AbstractHandler;
+import org.eclipse.core.commands.ExecutionEvent;
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.debug.core.DebugPlugin;
+import org.eclipse.debug.core.ILaunchConfigurationType;
+import org.eclipse.debug.core.ILaunchManager;
+
+/**
+ * Handler for the Clear Preferred Delegates command
+ */
+public class ClearPreferredDelegatesHandler extends AbstractHandler {
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
+	 */
+	@Override
+	public Object execute(ExecutionEvent event) throws ExecutionException {
+		ILaunchManager lm = DebugPlugin.getDefault().getLaunchManager();
+		ILaunchConfigurationType[] types = lm.getLaunchConfigurationTypes();
+		Set<Set<String>> modes = null;
+		Set<String> mode = null;
+		for (int i = 0; i < types.length; i++) {
+			modes = types[i].getSupportedModeCombinations();
+			for (Iterator<Set<String>> iter = modes.iterator(); iter.hasNext();) {
+				mode = iter.next();
+				try {
+					types[i].setPreferredDelegate(mode, null);
+				} catch (CoreException ce) {
+					// /do nothing
+				}
+			}
+		}
+		return null;
+	}
+}