/*******************************************************************************
* Copyright (c) 2009 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
* Obeo - adaptation for Amalgamation, EMF based and no Mylyn dependency
* CEA LIST - adaptation to Papyrus
*******************************************************************************/
package org.eclipse.papyrus.infra.discovery.ui.internal.common;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
/**
* @author David Green
* @author Steffen Pingel much of this is copied from TasksUiInternal
*/
public abstract class DiscoveryUiUtil {
private DiscoveryUiUtil() {
}
/**
* Utility method to get the best parenting possible for a dialog. If there
* is a modal shell create it so as to avoid two modal dialogs. If not then
* return the shell of the active workbench window. If neither can be found
* return null.
* <p>
* <b>Note: Applied from patch on bug 99472.</b>
*
* @return Shell or <code>null</code>
*/
public static Shell getShell() {
if (!PlatformUI.isWorkbenchRunning() || PlatformUI.getWorkbench().isClosing()) {
return null;
}
Shell modal = getModalShellExcluding(null);
if (modal != null) {
return modal;
}
return getNonModalShell();
}
/**
* Get the active non modal shell. If there isn't one return null.
* <p>
* <b>Note: Applied from patch on bug 99472.</b>
*
* @return Shell
*/
public static Shell getNonModalShell() {
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null) {
IWorkbenchWindow[] windows = PlatformUI.getWorkbench().getWorkbenchWindows();
if (windows.length > 0) {
return windows[0].getShell();
}
} else {
return window.getShell();
}
return null;
}
/**
* Return the modal shell that is currently open. If there isn't one then
* return null.
* <p>
* <b>Note: Applied from patch on bug 99472.</b>
*
* @param shell
* A shell to exclude from the search. May be <code>null</code>.
* @return Shell or <code>null</code>.
*/
public static Shell getModalShellExcluding(Shell shell) {
IWorkbench workbench = PlatformUI.getWorkbench();
Shell[] shells = workbench.getDisplay().getShells();
int modal = SWT.APPLICATION_MODAL | SWT.SYSTEM_MODAL | SWT.PRIMARY_MODAL;
for (Shell shell2 : shells) {
if (shell2.equals(shell)) {
break;
}
// Do not worry about shells that will not block the user.
if (shell2.isVisible()) {
int style = shell2.getStyle();
if ((style & modal) != 0) {
return shell2;
}
}
}
return null;
}
public static void displayStatus(Shell shell, final String title, final IStatus status, boolean showLinkToErrorLog) {
String message = status.getMessage();
if (showLinkToErrorLog) {
message += " \n see error log";
}
switch (status.getSeverity()) {
case IStatus.CANCEL:
case IStatus.INFO:
createDialog(shell, title, message, MessageDialog.INFORMATION).open();
break;
case IStatus.WARNING:
createDialog(shell, title, message, MessageDialog.WARNING).open();
break;
case IStatus.ERROR:
default:
createDialog(shell, title, message, MessageDialog.ERROR).open();
break;
}
}
public static MessageDialog createDialog(Shell shell, String title, String message, int type) {
return new MessageDialog(shell, title, null, message, type, new String[] { IDialogConstants.OK_LABEL }, 0);
}
}