--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/tracebuilder/com.nokia.tracebuilder/src/com/nokia/tracebuilder/engine/propertydialog/DeleteObjectCallback.java	Wed Jun 23 14:35:40 2010 +0300
@@ -0,0 +1,90 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+* Base class for trace object deletion
+*
+*/
+package com.nokia.tracebuilder.engine.propertydialog;
+
+import com.nokia.tracebuilder.engine.TraceBuilderDialogs;
+import com.nokia.tracebuilder.engine.TraceBuilderGlobals;
+import com.nokia.tracebuilder.engine.TraceBuilderDialogs.QueryDialogParameters;
+import com.nokia.tracebuilder.model.TraceBuilderException;
+import com.nokia.tracebuilder.model.TraceObject;
+
+/**
+ * Base class for trace object deletion
+ * 
+ */
+public abstract class DeleteObjectCallback {
+
+	/**
+	 * The object to be deleted
+	 */
+	private TraceObject object;
+
+	/**
+	 * Constructor
+	 * 
+	 * @param object
+	 *            the object to be deleted
+	 */
+	DeleteObjectCallback(TraceObject object) {
+		this.object = object;
+	}
+
+	/**
+	 * Deletes the object.
+	 * 
+	 * @return TraceBuilderDialogs.YES if object was deleted
+	 * @throws TraceBuilderException
+	 *             if object cannot be deleted
+	 */
+	public int delete() throws TraceBuilderException {
+		int res = PropertyDialogCallback.showLocationConfirmationQuery(object);
+		if (res == TraceBuilderDialogs.OK) {
+			QueryDialogParameters props = buildQuery(object);
+			res = TraceBuilderGlobals.getDialogs().showConfirmationQuery(props);
+			if (res == TraceBuilderDialogs.OK) {
+				deleteObject(object, props);
+			}
+		}
+		return res;
+	}
+
+	/**
+	 * Builds the query that is shown to the user before deleting
+	 * 
+	 * @param object
+	 *            the object to be deleted
+	 * @return the dialog parameters
+	 * @throws TraceBuilderException
+	 *             if the object cannot be deleted
+	 */
+	protected abstract QueryDialogParameters buildQuery(TraceObject object)
+			throws TraceBuilderException;
+
+	/**
+	 * Called to delete the object if user selected YES to the query
+	 * 
+	 * @param object
+	 *            the object to be deleted
+	 * @param queryResults
+	 *            the query results, modified by the UI
+	 */
+	protected abstract void deleteObject(TraceObject object,
+			QueryDialogParameters queryResults);
+
+}