Attachment 60091 Details for Bug 176057 – problematic source

problematic source

UIPerformChangeOperation.java (text/plain), 4.26 KB, created by Markus Keller

on 2007-03-01 12:03:08 EST

(hide)

Description:

Filename:

MIME Type:

Creator: Markus Keller

Created: 2007-03-01 12:03:08 EST

Size: 4.26 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2000, 2006 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.ltk.internal.ui.refactoring;
>
>import org.eclipse.core.runtime.CoreException;
>import org.eclipse.core.runtime.IProgressMonitor;
>import org.eclipse.core.runtime.ISafeRunnable;
>import org.eclipse.core.runtime.IStatus;
>import org.eclipse.core.runtime.MultiStatus;
>import org.eclipse.core.runtime.SafeRunner;
>import org.eclipse.core.runtime.Status;
>import org.eclipse.core.runtime.jobs.ISchedulingRule;
>import org.eclipse.core.runtime.jobs.Job;
>
>import org.eclipse.core.resources.ResourcesPlugin;
>
>import org.eclipse.ltk.core.refactoring.Change;
>import org.eclipse.ltk.core.refactoring.CreateChangeOperation;
>import org.eclipse.ltk.core.refactoring.PerformChangeOperation;
>
>import org.eclipse.swt.widgets.Button;
>import org.eclipse.swt.widgets.Display;
>
>import org.eclipse.jface.wizard.IWizardContainer;
>
>public class UIPerformChangeOperation extends PerformChangeOperation {
>
>	private Display fDisplay;
>	private IWizardContainer fWizardContainer;
>	
>	public UIPerformChangeOperation(Display display, Change change, IWizardContainer container) {
>		super(change);
>		fDisplay= display;
>		fWizardContainer= container;
>	}
>
>	public UIPerformChangeOperation(Display display, CreateChangeOperation op, IWizardContainer container) {
>		super(op);
>		fDisplay= display;
>		fWizardContainer= container;
>	}
>	
>	protected void executeChange(final IProgressMonitor pm) throws CoreException {
>		if (fDisplay != null && !fDisplay.isDisposed()) {
>			final Throwable[] exception= new Throwable[1];
>			final ISchedulingRule rule= ResourcesPlugin.getWorkspace().getRoot();
>			final Thread callerThread= Thread.currentThread();
>			final ISafeRunnable safeRunnable= new ISafeRunnable() {
>				public void run() {
>					try {
>						Button[] cancel= new Button[1];
>						fDisplay.syncExec(new Runnable)
>						cancel= getCancelButton();
>						boolean enabled= true;
>						if (cancel != null && !cancel.isDisposed()) {
>							enabled= cancel.isEnabled();
>							cancel.setEnabled(false);
>						}
>						try {
>							UIPerformChangeOperation.super.executeChange(pm);
>						} finally {
>							if (cancel != null && !cancel.isDisposed()) {
>								cancel.setEnabled(enabled);
>							}
>						}
>					} catch(CoreException e) {
>						exception[0]= e;
>					} finally {
>						Job.getJobManager().transferRule(rule, callerThread);
>					}
>				}
>				public void handleException(Throwable e) {
>					exception[0]= e;
>				}
>			};
>			Runnable r= new Runnable() {
>				public void run() {
>					SafeRunner.run(safeRunnable);
>				}
>			};
>			r.run();
>			if (exception[0] != null) {
>				if (exception[0] instanceof CoreException) {
>					IStatus status= ((CoreException)exception[0]).getStatus();
>					// it is more important to get the original cause of the
>					// exception. Therefore create a new status and take
>					// over the exception trace from the UI thread.
>					throw new CoreException(new MultiStatus(
>							RefactoringUIPlugin.getPluginId(), IStatus.ERROR,
>							new IStatus[] {status}, status.getMessage(), exception[0]));
>				} else {
>					String message= exception[0].getMessage();
>					throw new CoreException(new Status(
>						IStatus.ERROR, RefactoringUIPlugin.getPluginId(),IStatus.ERROR,
>						message == null
>							? RefactoringUIMessages.ChangeExceptionHandler_no_details
>							: message,
>						exception[0]));
>				}
>			}
>		} else {
>			super.executeChange(pm);
>		}
>	}
>
>	private Button getCancelButton() {
>		if (fWizardContainer instanceof RefactoringWizardDialog2) {
>			return ((RefactoringWizardDialog2)fWizardContainer).getCancelButton();
>		} else if (fWizardContainer instanceof RefactoringWizardDialog) {
>			return ((RefactoringWizardDialog)fWizardContainer).getCancelButton();
>		}
>		return null;
>	}
>}

Actions: View

Attachments on bug 176057: 60091 | 60420