package org.eclipse.team.internal.ccvs.ui.wizards;

/*
 * (c) Copyright IBM Corp. 2000, 2001.
 * All Rights Reserved.
 */

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.team.internal.ccvs.ui.*;

public abstract class CVSWizard extends Wizard {
	/**
	 * Convenience method for running an operation with progress and
	 * error feedback.
	 * 
	 * @param runnable  the runnable to run
	 * @param problemMessage an optional message to display in case of errors
	 */
	protected void run(IRunnableWithProgress runnable, String problemMessage) {
		IStatus errors = null;
		boolean internalError = false;
		try {
			new ProgressMonitorDialog(getShell()).run(false, false, runnable);
		} catch (InvocationTargetException e) {
			Throwable t = e.getTargetException();
			if (t instanceof CoreException) {
				errors = ((CoreException)t).getStatus();
			} else {
				errors = new Status(IStatus.ERROR, CVSUIPlugin.ID, 1, problemMessage, t);
				internalError = true;
			}
		} catch (InterruptedException e) {
			errors = null;
		}
		if (errors != null) {
			String msg = internalError ? Policy.bind("simpleInternal") : problemMessage;
			ErrorDialog.openError(getShell(), msg, null, errors);
			CVSUIPlugin.log(errors);
		}
	}

}