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/*******************************************************************************
* Copyright (c) 2006, 2009 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.ui.statushandlers;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.application.WorkbenchAdvisor;
import org.eclipse.ui.internal.WorkbenchPlugin;
import org.eclipse.ui.internal.statushandlers.IStatusDialogConstants;
import org.eclipse.ui.statushandlers.StatusManager.INotificationTypes;
/**
* This is a default workbench error handler.
*
* @see WorkbenchAdvisor#getWorkbenchErrorHandler()
* @since 3.3
*/
public class WorkbenchErrorHandler extends AbstractStatusHandler {
@Override
public boolean supportsNotification(int type) {
if (type == INotificationTypes.HANDLED) {
return true;
}
return super.supportsNotification(type);
}
private WorkbenchStatusDialogManager statusDialogManager;
@Override
public void handle(final StatusAdapter statusAdapter, int style) {
statusAdapter.setProperty(WorkbenchStatusDialogManager.HINT,
new Integer(style));
if (((style & StatusManager.SHOW) == StatusManager.SHOW)
|| ((style & StatusManager.BLOCK) == StatusManager.BLOCK)) {
final boolean block = ((style & StatusManager.BLOCK) == StatusManager.BLOCK);
if (Display.getCurrent() != null) {
showStatusAdapter(statusAdapter, block);
} else {
if (block) {
Display.getDefault().syncExec(new Runnable() {
@Override
public void run() {
showStatusAdapter(statusAdapter, true);
}
});
} else {
Display.getDefault().asyncExec(new Runnable() {
@Override
public void run() {
showStatusAdapter(statusAdapter, false);
}
});
}
}
}
if ((style & StatusManager.LOG) == StatusManager.LOG) {
StatusManager.getManager().addLoggedStatus(
statusAdapter.getStatus());
WorkbenchPlugin.getDefault().getLog()
.log(statusAdapter.getStatus());
}
}
/**
* Requests the status dialog manager to show the status adapter.
*
* @param statusAdapter
* the status adapter to show
* @param block
* <code>true</code> to request a modal dialog and suspend the
* calling thread till the dialog is closed, <code>false</code>
* otherwise.
*/
private void showStatusAdapter(StatusAdapter statusAdapter, boolean block) {
if (!PlatformUI.isWorkbenchRunning()) {
// we are shutting down, so just log
WorkbenchPlugin.log(statusAdapter.getStatus());
return;
}
getStatusDialogManager().addStatusAdapter(statusAdapter, block);
if (block) {
Shell shell;
while ((shell = getStatusDialogShell()) != null
&& !shell.isDisposed()) {
if (!shell.getDisplay().readAndDispatch()) {
Display.getDefault().sleep();
}
}
}
}
private Shell getStatusDialogShell() {
return (Shell) getStatusDialogManager().getProperty(
IStatusDialogConstants.SHELL);
}
/**
* This method returns current {@link WorkbenchStatusDialogManager}.
*
* @return current {@link WorkbenchStatusDialogManager}
*/
private WorkbenchStatusDialogManager getStatusDialogManager() {
if (statusDialogManager == null) {
synchronized (this) {
if (statusDialogManager == null) {
statusDialogManager = new WorkbenchStatusDialogManager(null);
statusDialogManager.setProperty(
IStatusDialogConstants.SHOW_SUPPORT, Boolean.TRUE);
statusDialogManager.setProperty(
IStatusDialogConstants.HANDLE_OK_STATUSES,
Boolean.TRUE);
statusDialogManager.setProperty(
IStatusDialogConstants.ERRORLOG_LINK, Boolean.TRUE);
configureStatusDialog(statusDialogManager);
}
}
}
return statusDialogManager;
}
/**
* This methods should be overridden to configure
* {@link WorkbenchStatusDialogManager} behavior. It is advised to use only
* following methods of {@link WorkbenchStatusDialogManager}:
* <ul>
* <li>{@link WorkbenchStatusDialogManager#enableDefaultSupportArea(boolean)}</li>
* <li>{@link WorkbenchStatusDialogManager#setDetailsAreaProvider(AbstractStatusAreaProvider)}</li>
* <li>{@link WorkbenchStatusDialogManager#setSupportAreaProvider(AbstractStatusAreaProvider)}</li>
* </ul>
* Default configuration does nothing.
*
* @param statusDialog
* a status dialog to be configured.
* @since 3.4
*/
protected void configureStatusDialog(
final WorkbenchStatusDialogManager statusDialog) {
// default configuration does nothing
}
}
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