| /******************************************************************************* |
| * Copyright (c) 2000, 2016 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.help.ui.internal.util; |
| |
| import org.eclipse.help.internal.base.util.IErrorUtil; |
| import org.eclipse.help.ui.internal.Messages; |
| import org.eclipse.jface.dialogs.MessageDialog; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * Utility class for common error displaying tasks. |
| */ |
| public class ErrorUtil implements IErrorUtil { |
| |
| @Override |
| public void displayError(String msg) { |
| displayErrorDialog(msg); |
| } |
| |
| @Override |
| public void displayError(final String msg, Thread uiThread) { |
| try { |
| Display.findDisplay(uiThread).asyncExec(() -> displayErrorDialog(msg)); |
| } catch (Exception e2) { |
| } |
| } |
| |
| /** |
| * Immediately displays error dialog with a given string |
| * |
| * @param msg |
| * error message to display and log. |
| */ |
| public static void displayErrorDialog(String msg) { |
| String title = Messages.Help_Error; |
| IWorkbenchWindow workbenchWindow = getActiveWorkbenchWindow(); |
| Shell shell; |
| if (workbenchWindow != null) { |
| shell = workbenchWindow.getShell(); |
| } else { |
| shell = new Shell(); |
| } |
| MessageDialog.openError(shell, title, msg); |
| } |
| |
| /** |
| * Immediately displays an Information dialog with a given string |
| * |
| * @param msg |
| * error message to display. |
| */ |
| public static void displayInfoDialog(String msg) { |
| String title = Messages.Help_Info; |
| IWorkbenchWindow workbenchWindow = getActiveWorkbenchWindow(); |
| Shell shell; |
| if (workbenchWindow != null) { |
| shell = workbenchWindow.getShell(); |
| } else { |
| shell = new Shell(); |
| } |
| MessageDialog.openInformation(shell, title, msg); |
| } |
| |
| /** |
| * Immediately displays a Question dialog with a given string (question). |
| * |
| * @return which button(Yes/No) was pressed by user |
| */ |
| public static boolean displayQuestionDialog(String msg) { |
| String title = Messages.Help_Question; |
| IWorkbenchWindow workbenchWindow = getActiveWorkbenchWindow(); |
| Shell shell; |
| if (workbenchWindow != null) { |
| shell = workbenchWindow.getShell(); |
| } else { |
| shell = new Shell(); |
| } |
| return MessageDialog.openQuestion(shell, title, msg); |
| } |
| |
| protected static IWorkbenchWindow getActiveWorkbenchWindow() { |
| return PlatformUI.getWorkbench().getActiveWorkbenchWindow(); |
| } |
| } |