diff --git a/src/org/ntlab/traceDebugger/BreakPointView.java b/src/org/ntlab/traceDebugger/BreakPointView.java
index ab1ffc4..e2059cb 100644
--- a/src/org/ntlab/traceDebugger/BreakPointView.java
+++ b/src/org/ntlab/traceDebugger/BreakPointView.java
@@ -123,7 +123,7 @@
 		createToolBar();
 		createMenuBar();
 		createPopupMenu();
-		updateImagesForBreakPoint(DebuggingController.getInstance().hasLoadedTraceFileStatus());
+		updateImagesForBreakPoint(DebuggingController.getInstance().hasLoadedTraceFile());
 		TraceDebuggerPlugin.setActiveView(ID, this);
 	}
 
@@ -160,7 +160,7 @@
 			@Override
 			public void run() {
 				// �g���[�X�o�͐�Q�ƃE�B�U�[�h
-				debuggingController.fileOpenAction(shell);
+				TraceDebuggerPlugin.getDefault().fileOpenAction(shell);
 			}
 		};
 
diff --git a/src/org/ntlab/traceDebugger/DebuggingController.java b/src/org/ntlab/traceDebugger/DebuggingController.java
index 23dcdc0..e3628b1 100644
--- a/src/org/ntlab/traceDebugger/DebuggingController.java
+++ b/src/org/ntlab/traceDebugger/DebuggingController.java
@@ -65,86 +65,31 @@
 	public TracePoint getCurrentTp() {
 		return debuggingTp.duplicate();
 	}
+		
+	public boolean isLoadingTraceFile() {
+		return (loadingTraceFileStatus == LoadingTraceFileStatus.PROGRESS);
+	}
 	
-	public boolean hasLoadedTraceFileStatus() {
+	public boolean hasLoadedTraceFile() {
 		return (loadingTraceFileStatus == LoadingTraceFileStatus.DONE);
 	}
 	
+	public void setLodingTraceFile() {
+		loadingTraceFileStatus = LoadingTraceFileStatus.PROGRESS;
+	}
+	
+	public void setHasLoadedTraceFile() {
+		loadingTraceFileStatus = LoadingTraceFileStatus.DONE;
+	}
+	
+	public void setHasNotLoadedTraceFile() {
+		loadingTraceFileStatus = LoadingTraceFileStatus.NOT_YET;
+	}
+	
 	public boolean isRunning() {
 		return isRunning;
 	}
-	
-	public boolean fileOpenAction(Shell shell) {
-		if (loadingTraceFileStatus == LoadingTraceFileStatus.PROGRESS) {
-			if (TraceDebuggerPlugin.isJapanese()) {
-				MessageDialog.openInformation(null, "�ǂݍ��ݒ�", "�g���[�X�t�@�C����ǂݍ��ݒ��ł�");
-			} else {
-				MessageDialog.openInformation(null, "Loading", "This debugger is loading the trace.");	
-			}
-			return false;
-		}
-		if (isRunning) {
-			if (TraceDebuggerPlugin.isJapanese()) {
-				MessageDialog.openInformation(null, "���s��", "�g���[�X��Ŏ��s���ł�");
-			} else {
-				MessageDialog.openInformation(null, "Running", "This debugger is running on the trace.");	
-			}
-			return false;
-		}
-		FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
-		fileDialog.setText(TraceDebuggerPlugin.isJapanese() ? "�g���[�X�t�@�C�����J��" : "Open Trace File");
-		fileDialog.setFilterExtensions(new String[]{"*.*"});
-		String path = fileDialog.open();
-		if (path == null) return false;
 		
-		((CallStackView)TraceDebuggerPlugin.getActiveView(CallStackView.ID)).reset();
-		((VariableView)TraceDebuggerPlugin.getActiveView(VariableView.ID)).reset();
-		((BreakPointView)TraceDebuggerPlugin.getActiveView(BreakPointView.ID)).reset();
-		TracePointsRegisterView tracePointsView = (TracePointsRegisterView)TraceDebuggerPlugin.getActiveView(TracePointsRegisterView.ID);
-		if (tracePointsView != null) tracePointsView.reset();
-		CallTreeView callTreeView = (CallTreeView)TraceDebuggerPlugin.getActiveView(CallTreeView.ID);
-		if (callTreeView != null) callTreeView.reset();
-		loadTraceFileOnOtherThread(path);
-		return true;
-	}
-	
-	private void loadTraceFileOnOtherThread(final String filePath) {
-		final String msg = TraceDebuggerPlugin.isJapanese() ? "�g���[�X�t�@�C����ǂݍ��ݒ�" : "Loading Trace File";
-		Job job = new Job(msg) {
-			@Override
-			protected IStatus run(IProgressMonitor monitor) {
-				monitor.beginTask(msg + " (" + filePath + ")", IProgressMonitor.UNKNOWN);
-				loadingTraceFileStatus = LoadingTraceFileStatus.PROGRESS;
-				TraceDebuggerPlugin.setAnalyzer(null);
-				TraceJSON trace = new TraceJSON(filePath);
-				TraceDebuggerPlugin.setAnalyzer(new DeltaExtractionAnalyzer(trace));
-				VariableUpdatePointFinder.getInstance().setTrace(trace);
-				traceBreakPoints = new TraceBreakPoints(trace);
-
-				// GUI�̑����GUI�̃C�x���g�f�B�X�p�b�`���s���Ă���X���b�h���炵������ł��Ȃ��̂ł�������
-				final BreakPointView breakpointView = (BreakPointView)TraceDebuggerPlugin.getActiveView(BreakPointView.ID);
-				Control control = breakpointView.getViewer().getControl();
-				control.getDisplay().syncExec(new Runnable() {
-					@Override
-					public void run() {
-						breakpointView.updateTraceBreakPoints(traceBreakPoints);
-						breakpointView.updateImagesForBreakPoint(true);
-					}
-				});
-				monitor.done();
-				if (!(monitor.isCanceled())) {
-					loadingTraceFileStatus = LoadingTraceFileStatus.DONE;
-					return Status.OK_STATUS;
-				} else {
-					loadingTraceFileStatus = LoadingTraceFileStatus.NOT_YET;
-					return Status.CANCEL_STATUS;
-				}
-			}
-		};
-		job.setUser(true);
-		job.schedule();
-	}
-	
 	public boolean addTraceBreakPointAction() {
 		if (loadingTraceFileStatus != LoadingTraceFileStatus.DONE) {
 			if (TraceDebuggerPlugin.isJapanese()) {
diff --git a/src/org/ntlab/traceDebugger/TraceDebuggerPlugin.java b/src/org/ntlab/traceDebugger/TraceDebuggerPlugin.java
index 866d7c0..90d6277 100644
--- a/src/org/ntlab/traceDebugger/TraceDebuggerPlugin.java
+++ b/src/org/ntlab/traceDebugger/TraceDebuggerPlugin.java
@@ -5,14 +5,26 @@
 import java.util.Map;
 import java.util.Set;
 
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.core.runtime.jobs.Job;
+import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.resource.ImageRegistry;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.FileDialog;
+import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.IViewPart;
 import org.eclipse.ui.IWorkbenchPage;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.ntlab.traceAnalysisPlatform.tracer.trace.TraceJSON;
 import org.ntlab.traceDebugger.analyzerProvider.AbstractAnalyzer;
+import org.ntlab.traceDebugger.analyzerProvider.DeltaExtractionAnalyzer;
+import org.ntlab.traceDebugger.analyzerProvider.VariableUpdatePointFinder;
 import org.osgi.framework.BundleContext;
 
 /**
@@ -22,6 +34,8 @@
 
 	// The plug-in ID
 	public static final String PLUGIN_ID = "org.ntlab.traceDebugger"; //$NON-NLS-1$
+	
+	private static DebuggingController debuggingController = DebuggingController.getInstance();;
 
 	private static AbstractAnalyzer analyzer;
 	
@@ -69,6 +83,77 @@
 		return plugin;
 	}
 	
+	public boolean fileOpenAction(Shell shell) {
+		if (debuggingController.isLoadingTraceFile()) {
+			if (isJapanese()) {
+				MessageDialog.openInformation(null, "�ǂݍ��ݒ�", "�g���[�X�t�@�C����ǂݍ��ݒ��ł�");
+			} else {
+				MessageDialog.openInformation(null, "Loading", "This debugger is loading the trace.");	
+			}
+			return false;
+		}
+		if (debuggingController.isRunning()) {
+			if (isJapanese()) {
+				MessageDialog.openInformation(null, "���s��", "�g���[�X��Ŏ��s���ł�");
+			} else {
+				MessageDialog.openInformation(null, "Running", "This debugger is running on the trace.");	
+			}
+			return false;
+		}
+		FileDialog fileDialog = new FileDialog(shell, SWT.OPEN);
+		fileDialog.setText(isJapanese() ? "�g���[�X�t�@�C�����J��" : "Open Trace File");
+		fileDialog.setFilterExtensions(new String[]{"*.*"});
+		String path = fileDialog.open();
+		if (path == null) return false;
+		
+		((CallStackView)getActiveView(CallStackView.ID)).reset();
+		((VariableView)getActiveView(VariableView.ID)).reset();
+		((BreakPointView)getActiveView(BreakPointView.ID)).reset();
+		TracePointsRegisterView tracePointsView = (TracePointsRegisterView)getActiveView(TracePointsRegisterView.ID);
+		if (tracePointsView != null) tracePointsView.reset();
+		CallTreeView callTreeView = (CallTreeView)getActiveView(CallTreeView.ID);
+		if (callTreeView != null) callTreeView.reset();
+		loadTraceFileOnNewThread(path);
+		return true;
+	}
+	
+	private void loadTraceFileOnNewThread(final String filePath) {
+		final String msg = isJapanese() ? "�g���[�X�t�@�C����ǂݍ��ݒ�" : "Loading Trace File";
+		Job job = new Job(msg) {
+			@Override
+			protected IStatus run(IProgressMonitor monitor) {
+				monitor.beginTask(msg + " (" + filePath + ")", IProgressMonitor.UNKNOWN);
+				debuggingController.setLodingTraceFile();
+				analyzer = null;
+				TraceJSON trace = new TraceJSON(filePath);
+				analyzer = new DeltaExtractionAnalyzer(trace);
+				VariableUpdatePointFinder.getInstance().setTrace(trace);
+				final TraceBreakPoints traceBreakPoints = new TraceBreakPoints(trace);
+
+				// GUI�̑����GUI�̃C�x���g�f�B�X�p�b�`���s���Ă���X���b�h���炵������ł��Ȃ��̂ł�������
+				final BreakPointView breakpointView = (BreakPointView)getActiveView(BreakPointView.ID);
+				Control control = breakpointView.getViewer().getControl();
+				control.getDisplay().syncExec(new Runnable() {
+					@Override
+					public void run() {
+						breakpointView.updateTraceBreakPoints(traceBreakPoints);
+						breakpointView.updateImagesForBreakPoint(true);
+					}
+				});
+				monitor.done();
+				if (!(monitor.isCanceled())) {
+					debuggingController.setHasLoadedTraceFile();
+					return Status.OK_STATUS;
+				} else {
+					debuggingController.setHasNotLoadedTraceFile();
+					return Status.CANCEL_STATUS;
+				}
+			}
+		};
+		job.setUser(true);
+		job.schedule();
+	}
+	
 	public static AbstractAnalyzer getAnalyzer() {
 		return analyzer;
 	}