org.eclipse.jface.snippets.dialogs.Snippet058VistaProgressBars.java Source code

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/*******************************************************************************
 * Copyright (c) 2005, 2018 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     Jeanderson Candido <http://jeandersonbc.github.io> - Bug 414565
 *******************************************************************************/
package org.eclipse.jface.snippets.dialogs;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.IProgressMonitorWithBlocking;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Display;

public class Snippet058VistaProgressBars {

    /**
     * Open a progress monitor dialog and switch the blocking.
     *
     * @param args
     */
    public static void main(String[] args) {

        Display display = new Display();

        final ProgressMonitorDialog dialog = new ProgressMonitorDialog(null);
        IRunnableWithProgress runnable = createRunnableFor(dialog);
        try {
            dialog.run(true, true, runnable);
        } catch (InvocationTargetException | InterruptedException e) {
            e.printStackTrace();
        }

        display.dispose();
    }

    private static IRunnableWithProgress createRunnableFor(final ProgressMonitorDialog dialog) {

        return monitor -> {

            IProgressMonitorWithBlocking blocking = (IProgressMonitorWithBlocking) monitor;

            blocking.beginTask("Vista Coolness", 100);
            for (int i = 0; i < 10; i++) {
                blocking.setBlocked(new Status(IStatus.WARNING, "Blocked", "This is blocked on Vista"));
                blocking.worked(5);
                spin(dialog.getShell().getDisplay());
                blocking.clearBlocked();
                blocking.worked(5);
                spin(dialog.getShell().getDisplay());
                if (monitor.isCanceled())
                    return;
            }
            blocking.done();
        };
    }

    private static void spin(final Display display) {
        display.syncExec(() -> {
            long endTime = System.currentTimeMillis() + 1000;

            while (System.currentTimeMillis() < endTime)
                display.readAndDispatch();

        });

    }
}