tmf: Detect and handle trace content change

When a resource change event indicates that the content of a trace has
changed, automatically delete the trace's supplementary files.

If the trace is currently opened, prompt the user before closing the
trace and deleting the supplementary files.

Change-Id: I58a7e154c1ff9a49b16b03f55fd9bd9144acac21
Signed-off-by: Patrick Tasse <patrick.tasse@gmail.com>
Reviewed-on: https://git.eclipse.org/r/102025
Reviewed-by: Hudson CI
Reviewed-by: Matthew Khouzam <matthew.khouzam@ericsson.com>

6 files changed, 302 insertions, 22 deletions

diff --git a/releng/org.eclipse.tracecompass.integration.swtbot.tests/META-INF/MANIFEST.MF b/releng/org.eclipse.tracecompass.integration.swtbot.tests/META-INF/MANIFEST.MF
index ac4acd1603..8b067f477d 100644
--- a/releng/org.eclipse.tracecompass.integration.swtbot.tests/META-INF/MANIFEST.MF
+++ b/releng/org.eclipse.tracecompass.integration.swtbot.tests/META-INF/MANIFEST.MF
@@ -11,6 +11,7 @@ Export-Package: org.eclipse.tracecompass.integration.swtbot.tests.markers,
  org.eclipse.tracecompass.integration.swtbot.tests.perspectives,
  org.eclipse.tracecompass.integration.swtbot.tests.projectexplorer
 Require-Bundle: org.apache.commons.compress,
+ org.apache.commons.io,
  org.apache.log4j,
  org.eclipse.core.resources,
  org.eclipse.core.runtime,
@@ -28,6 +29,7 @@ Require-Bundle: org.apache.commons.compress,
  org.eclipse.tracecompass.tmf.ui,
  org.eclipse.tracecompass.tmf.ui.swtbot.tests,
  org.eclipse.ui,
+ org.eclipse.ui.views,
  org.eclipse.ui.views.log,
  org.junit,
  org.eclipse.tracecompass.tmf.ui.tests,
diff --git a/releng/org.eclipse.tracecompass.integration.swtbot.tests/src/org/eclipse/tracecompass/integration/swtbot/tests/projectexplorer/ProjectExplorerRefreshTest.java b/releng/org.eclipse.tracecompass.integration.swtbot.tests/src/org/eclipse/tracecompass/integration/swtbot/tests/projectexplorer/ProjectExplorerRefreshTest.java
new file mode 100644
index 0000000000..b235f5f81b
--- /dev/null
+++ b/releng/org.eclipse.tracecompass.integration.swtbot.tests/src/org/eclipse/tracecompass/integration/swtbot/tests/projectexplorer/ProjectExplorerRefreshTest.java
@@ -0,0 +1,202 @@
+/******************************************************************************
+ * Copyright (c) 2017 Ericsson
+ *
+ * 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:
+ *   Patrick Tasse - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.tracecompass.integration.swtbot.tests.projectexplorer;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.Objects;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.log4j.ConsoleAppender;
+import org.apache.log4j.Logger;
+import org.apache.log4j.SimpleLayout;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.swtbot.eclipse.finder.SWTWorkbenchBot;
+import org.eclipse.swtbot.swt.finder.junit.SWTBotJunit4ClassRunner;
+import org.eclipse.swtbot.swt.finder.keyboard.Keystrokes;
+import org.eclipse.swtbot.swt.finder.utils.SWTBotPreferences;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotShell;
+import org.eclipse.swtbot.swt.finder.widgets.SWTBotTreeItem;
+import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
+import org.eclipse.tracecompass.tmf.ui.project.model.TmfProjectRegistry;
+import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.SWTBotUtils;
+import org.eclipse.tracecompass.tmf.ui.tests.shared.WaitUtils;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.FixMethodOrder;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.MethodSorters;
+
+/**
+ * SWTBot test for testing Project Explorer Refresh action
+ */
+@FixMethodOrder(MethodSorters.NAME_ASCENDING)
+@RunWith(SWTBotJunit4ClassRunner.class)
+public class ProjectExplorerRefreshTest {
+    private static final String TRACE_PROJECT_NAME = "test";
+
+    /** The Log4j logger instance. */
+    private static final Logger fLogger = Logger.getRootLogger();
+
+    private static final File TEST_TRACES_PATH = new File(new Path(TmfTraceManager.getTemporaryDirPath()).append("testtraces").toOSString());
+
+    private static final File TEST_FILE_KERNEL = new File(getPath("import/kernel-overlap-testing"));
+    private static final File TEST_FILE_KERNEL_CLASH = new File(getPath("import/z-clashes/kernel-overlap-testing"));
+    private static final File TEST_FILE_UST = new File(getPath("import/ust-overlap-testing"));
+
+    private static SWTWorkbenchBot fBot;
+
+    private static File fTracesFolder = null;
+
+    private static String getPath(String relativePath) {
+        return new Path(TEST_TRACES_PATH.getAbsolutePath()).append(relativePath).toOSString();
+    }
+
+    /**
+     * Test Class setup
+     *
+     * @throws IOException
+     *             on error
+     */
+    @BeforeClass
+    public static void init() throws IOException {
+        TestDirectoryStructureUtil.generateTraceStructure(TEST_TRACES_PATH);
+
+        SWTBotUtils.initialize();
+
+        /* Set up for SWTBot */
+        SWTBotPreferences.TIMEOUT = 20000; /* 20 second timeout */
+        SWTBotPreferences.KEYBOARD_LAYOUT = "EN_US";
+        fLogger.removeAllAppenders();
+        fLogger.addAppender(new ConsoleAppender(new SimpleLayout(), ConsoleAppender.SYSTEM_OUT));
+        fBot = new SWTWorkbenchBot();
+
+        /* Close welcome view */
+        SWTBotUtils.closeView("Welcome", fBot);
+
+        /* Switch perspectives */
+        SWTBotUtils.switchToTracingPerspective();
+
+        /* Finish waiting for eclipse to load */
+        WaitUtils.waitForJobs();
+
+        SWTBotUtils.createProject(TRACE_PROJECT_NAME);
+        IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject(TRACE_PROJECT_NAME);
+        fTracesFolder = new File(Objects.requireNonNull(TmfProjectRegistry.getProject(project, true).getTracesFolder()).getResource().getLocation().toOSString());
+    }
+
+    /**
+     * Test class tear down method.
+     */
+    @AfterClass
+    public static void tearDown() {
+        SWTBotUtils.deleteProject(TRACE_PROJECT_NAME, fBot);
+        fLogger.removeAllAppenders();
+    }
+
+    /**
+     * Test tear down method.
+     */
+    @After
+    public void afterTest() {
+        SWTBotUtils.closeSecondaryShells(fBot);
+    }
+
+    /**
+     * Test Refresh after adding a trace on the file system.
+     *
+     * @throws IOException if an exception occurs
+     */
+    @Test
+    public void test16_01RefreshTraceAdded() throws IOException {
+        FileUtils.copyDirectory(TEST_FILE_KERNEL, FileUtils.getFile(fTracesFolder, TEST_FILE_KERNEL.getName()));
+        FileUtils.copyDirectory(TEST_FILE_UST, FileUtils.getFile(fTracesFolder, TEST_FILE_UST.getName()));
+        SWTBotTreeItem tracesFolder = SWTBotUtils.selectTracesFolder(fBot, TRACE_PROJECT_NAME);
+        assertEquals(0, tracesFolder.getItems().length);
+        tracesFolder.contextMenu().menu("Refresh").click();
+        SWTBotTreeItem kernelTrace = SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, TEST_FILE_KERNEL.getName());
+        kernelTrace.contextMenu().menu("Select Trace Type...", "Common Trace Format", "Linux Kernel Trace").click();
+        SWTBotTreeItem ustTrace = SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, TEST_FILE_UST.getName());
+        ustTrace.contextMenu().menu("Select Trace Type...", "Common Trace Format", "LTTng UST Trace").click();
+    }
+
+    /**
+     * Test Refresh after modifying trace content while trace is opened.
+     *
+     * @throws IOException if an exception occurs
+     */
+    @Test
+    public void test16_02RefreshOpenedTraceContentModified() throws IOException {
+        SWTBotTreeItem tracesFolder = SWTBotUtils.selectTracesFolder(fBot, TRACE_PROJECT_NAME);
+        SWTBotTreeItem kernelTrace = SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, TEST_FILE_KERNEL.getName());
+        kernelTrace.contextMenu().menu("Open").click();
+        SWTBotUtils.activateEditor(fBot, TEST_FILE_KERNEL.getName());
+        FileUtils.copyDirectory(TEST_FILE_KERNEL_CLASH, FileUtils.getFile(fTracesFolder, TEST_FILE_KERNEL.getName()), false);
+        assertTrue(kernelTrace.contextMenu().menuItems().contains("Delete Supplementary Files..."));
+        tracesFolder.contextMenu().menu("Refresh").click();
+        SWTBotShell shell = fBot.shell("Trace Changed");
+        shell.bot().button("No").click();
+        assertTrue(kernelTrace.contextMenu().menuItems().contains("Delete Supplementary Files..."));
+        SWTBotUtils.activateEditor(fBot, TEST_FILE_KERNEL.getName());
+        FileUtils.copyDirectory(TEST_FILE_KERNEL, FileUtils.getFile(fTracesFolder, TEST_FILE_KERNEL.getName()), false);
+        assertTrue(kernelTrace.contextMenu().menuItems().contains("Delete Supplementary Files..."));
+        tracesFolder.contextMenu().menu("Refresh").click();
+        shell = fBot.shell("Trace Changed");
+        shell.bot().button("Yes").click();
+        assertFalse(kernelTrace.contextMenu().menuItems().contains("Delete Supplementary Files..."));
+        assertEquals(0, fBot.editors().size());
+    }
+
+    /**
+     * Test Refresh after modifying trace content while trace is closed.
+     *
+     * @throws IOException if an exception occurs
+     */
+    @Test
+    public void test16_03RefreshClosedTraceContentModified() throws IOException {
+        SWTBotTreeItem tracesFolder = SWTBotUtils.selectTracesFolder(fBot, TRACE_PROJECT_NAME);
+        SWTBotTreeItem kernelTrace = SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, TEST_FILE_KERNEL.getName());
+        kernelTrace.contextMenu().menu("Open").click();
+        SWTBotUtils.activateEditor(fBot, TEST_FILE_KERNEL.getName()).close();
+        FileUtils.touch(FileUtils.getFile(fTracesFolder, TEST_FILE_KERNEL.getName(), "channel1"));
+        assertTrue(kernelTrace.contextMenu().menuItems().contains("Delete Supplementary Files..."));
+        tracesFolder.select().pressShortcut(Keystrokes.F5);
+        assertFalse(kernelTrace.contextMenu().menuItems().contains("Delete Supplementary Files..."));
+    }
+
+    /**
+     * Test Refresh after deleting a trace on the file system.
+     *
+     * @throws IOException if an exception occurs
+     */
+    @Test
+    public void test16_04RefreshTraceDeleted() throws IOException {
+        SWTBotTreeItem tracesFolder = SWTBotUtils.selectTracesFolder(fBot, TRACE_PROJECT_NAME);
+        assertEquals(2, tracesFolder.getItems().length);
+        SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, TEST_FILE_KERNEL.getName());
+        SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, TEST_FILE_UST.getName());
+        FileUtils.deleteDirectory(FileUtils.getFile(fTracesFolder, TEST_FILE_UST.getName()));
+        fBot.menu().menu("File", "Refresh").click();
+        assertEquals(1, tracesFolder.getItems().length);
+        SWTBotUtils.getTraceProjectItem(fBot, tracesFolder, TEST_FILE_KERNEL.getName());
+    }
+
+}
diff --git a/releng/org.eclipse.tracecompass.integration.swtbot.tests/src/org/eclipse/tracecompass/integration/swtbot/tests/projectexplorer/TestDirectoryStructureUtil.java b/releng/org.eclipse.tracecompass.integration.swtbot.tests/src/org/eclipse/tracecompass/integration/swtbot/tests/projectexplorer/TestDirectoryStructureUtil.java
index 7323c5ea9f..8ad13eb8b9 100644
--- a/releng/org.eclipse.tracecompass.integration.swtbot.tests/src/org/eclipse/tracecompass/integration/swtbot/tests/projectexplorer/TestDirectoryStructureUtil.java
+++ b/releng/org.eclipse.tracecompass.integration.swtbot.tests/src/org/eclipse/tracecompass/integration/swtbot/tests/projectexplorer/TestDirectoryStructureUtil.java
@@ -120,32 +120,32 @@ public class TestDirectoryStructureUtil {
      *      │   ├── ExampleCustomTxt.log
      *      │   ├── ExampleCustomXml.xml
      *      │   ├── kernel-overlap-testing
-     *      │   │   ├── stream
+     *      │   │   ├── channel0
      *      │   │   └── metadata
      *      │   ├── simple_server-thread1
-     *      │   │   ├── stream
+     *      │   │   ├── channel0
      *      │   │   └── metadata
      *      │   ├── simple_server-thread2
-     *      │   │   ├── stream
+     *      │   │   ├── channel0
      *      │   │   └── metadata
      *      │   └── ust-overlap-testing
-     *      │       ├── stream
+     *      │       ├── channel0
      *      │       └── metadata
      *      ├── empty
      *      ├── ExampleCustomTxt.log
      *      ├── ExampleCustomXml.xml
      *      ├── kernel-overlap-testing
-     *      │   ├── stream
+     *      │   ├── channel0
      *      │   └── metadata
      *      ├── simple_server-thread1
-     *      │   ├── metadata
-     *      │   └── stream
+     *      │   ├── channel0
+     *      │   └── metadata
      *      ├── simple_server-thread2
-     *      │   ├── metadata
-     *      │   └── stream
+     *      │   ├── channel0
+     *      │   └── metadata
      *      ├── unrecognized.log
      *      └── ust-overlap-testing
-     *          ├── stream
+     *          ├── channel0
      *          └── metadata
      * </pre>
      *
diff --git a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/Messages.java b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/Messages.java
index 868b2d5ace..c2f2c60a32 100644
--- a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/Messages.java
+++ b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/Messages.java
@@ -155,6 +155,18 @@ public class Messages extends NLS {
      * @since 2.3
      */
     public static String TmfProject_TracesFolderNotExists;
+
+    /**
+     * Trace Changed dialog title
+     * @since 3.1
+     */
+    public static String TmfProjectRegistry_TraceChangedDialogTitle;
+    /**
+     * Trace Changed dialog message
+     * @since 3.1
+     */
+    public static String TmfProjectRegistry_TraceChangedDialogMessage;
+
     static {
         // initialize resource bundle
         NLS.initializeMessages(BUNDLE_NAME, Messages.class);
diff --git a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/TmfProjectRegistry.java b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/TmfProjectRegistry.java
index ef52a6152b..a527ec030f 100644
--- a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/TmfProjectRegistry.java
+++ b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/TmfProjectRegistry.java
@@ -16,10 +16,13 @@ package org.eclipse.tracecompass.tmf.ui.project.model;
 
 import java.lang.reflect.InvocationTargetException;
 import java.net.URI;
+import java.util.ArrayDeque;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Queue;
 import java.util.Set;
 
 import org.eclipse.core.resources.IFolder;
@@ -34,13 +37,18 @@ import org.eclipse.core.resources.IWorkspaceRoot;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.osgi.util.NLS;
 import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Shell;
 import org.eclipse.tracecompass.internal.tmf.ui.Activator;
 import org.eclipse.tracecompass.tmf.core.TmfCommonConstants;
 import org.eclipse.tracecompass.tmf.core.TmfProjectNature;
 import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler;
 import org.eclipse.tracecompass.tmf.core.signal.TmfSignalManager;
 import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal;
+import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
+import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.actions.WorkspaceModifyOperation;
 
@@ -58,6 +66,8 @@ public class TmfProjectRegistry implements IResourceChangeListener {
     // The map of project resource to project model elements
     private static Map<IProject, TmfProjectElement> registry = new HashMap<>();
 
+    private static Queue<TmfTraceElement> promptQueue = new ArrayDeque<>();
+
     private TmfProjectRegistry() {
         ResourcesPlugin.getWorkspace().addResourceChangeListener(this);
         TmfSignalManager.register(this);
@@ -206,18 +216,12 @@ public class TmfProjectRegistry implements IResourceChangeListener {
                                 project.isOpen() && project.hasNature(TmfProjectNature.ID)) {
                             Set<IResource> resourcesToRefresh = new HashSet<>();
                             event.getDelta().accept(visited -> {
-                                if (resourcesToRefresh.contains(visited.getResource().getParent())) {
-                                    return false;
-                                } else if ((visited.getFlags() & IResourceDelta.CONTENT) != 0) {
-                                    // visited resource content has changed
+                                if ((visited.getFlags() & IResourceDelta.CONTENT) != 0) {
+                                    // visited resource content has changed, refresh it
                                     resourcesToRefresh.add(visited.getResource());
-                                    return false;
                                 } else if (visited.getKind() != IResourceDelta.CHANGED) {
-                                    // visited resource is added or removed
-                                    IResource parent = visited.getResource().getParent();
-                                    resourcesToRefresh.add(parent);
-                                    resourcesToRefresh.removeIf(resource -> resource.getParent().equals(parent));
-                                    return false;
+                                    // visited resource is added or removed, refresh its parent
+                                    resourcesToRefresh.add(visited.getResource().getParent());
                                 }
                                 return true;
                             });
@@ -228,7 +232,27 @@ public class TmfProjectRegistry implements IResourceChangeListener {
                                     elementsToRefresh.add(element);
                                 }
                             }
-                            elementsToRefresh.forEach(element -> element.refresh());
+                            Set<TmfTraceElement> changedTraces = new HashSet<>();
+                            Iterator<ITmfProjectModelElement> iterator = elementsToRefresh.iterator();
+                            while (iterator.hasNext()) {
+                                ITmfProjectModelElement element = iterator.next();
+                                if (element instanceof TmfTraceElement) {
+                                    changedTraces.add(((TmfTraceElement) element).getElementUnderTraceFolder());
+                                }
+                                for (ITmfProjectModelElement parent : elementsToRefresh) {
+                                    // remove element if any of its parents is included
+                                    if (parent.getPath().isPrefixOf(element.getPath()) && !parent.equals(element)) {
+                                        iterator.remove();
+                                        break;
+                                    }
+                                }
+                            }
+                            for (TmfTraceElement trace : changedTraces) {
+                                handleTraceContentChanged(trace);
+                            }
+                            for (ITmfProjectModelElement element : elementsToRefresh) {
+                                element.refresh();
+                            }
                             TmfProjectElement projectElement = registry.get(project);
                             if (projectElement != null) {
                                 // refresh only the viewer for the affected project
@@ -313,4 +337,41 @@ public class TmfProjectRegistry implements IResourceChangeListener {
         }
         return element;
     }
+
+    private static void handleTraceContentChanged(TmfTraceElement traceElement) {
+        Display.getDefault().asyncExec(() -> {
+            boolean opened = false;
+            for (ITmfTrace openedTrace : TmfTraceManager.getInstance().getOpenedTraces()) {
+                for (ITmfTrace trace : TmfTraceManager.getTraceSet(openedTrace)) {
+                    if (traceElement.getResource().equals(trace.getResource())) {
+                        opened = true;
+                        break;
+                    }
+                }
+            }
+            if (!opened) {
+                traceElement.deleteSupplementaryResources();
+                return;
+            }
+            if (!promptQueue.isEmpty()) {
+                /* already prompting the user */
+                if (!promptQueue.contains(traceElement)) {
+                    promptQueue.add(traceElement);
+                }
+                return;
+            }
+            promptQueue.add(traceElement);
+            TmfTraceElement prompting = traceElement;
+            while (prompting != null) {
+                Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell();
+                if (MessageDialog.openQuestion(shell, Messages.TmfProjectRegistry_TraceChangedDialogTitle,
+                        NLS.bind(Messages.TmfProjectRegistry_TraceChangedDialogMessage, prompting.getElementPath()))) {
+                    traceElement.closeEditors();
+                    traceElement.deleteSupplementaryResources();
+                }
+                promptQueue.remove();
+                prompting = promptQueue.peek();
+            }
+        });
+    }
 }
diff --git a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/messages.properties b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/messages.properties
index c252da1039..6c9c762841 100644
--- a/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/messages.properties
+++ b/tmf/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/project/model/messages.properties
@@ -1,5 +1,5 @@
 ###############################################################################
-# Copyright (c) 2013, 2016 Ericsson
+# Copyright (c) 2013, 2017 Ericsson
 #
 # All rights reserved. This program and the accompanying materials
 # are made available under the terms of the Eclipse Public License v1.0
@@ -55,3 +55,6 @@ TmfOpenTraceHelper_TraceNotFound = Trace {0} not found.
 
 TmfProject_ExperimentFolderNotExists = Root experiment folder doesn't exist in project.
 TmfProject_TracesFolderNotExists = Root traces folder doesn't exist in project
+
+TmfProjectRegistry_TraceChangedDialogTitle=Trace Changed
+TmfProjectRegistry_TraceChangedDialogMessage=The trace ''{0}'' has been changed on the file system. Do you want to close the trace and delete its supplementary files?
\ No newline at end of file