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/*******************************************************************************
* Copyright (c) 2014, 2016 Red Hat Inc. 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:
* Red Hat - Initial Contribution
*******************************************************************************/
package org.eclipse.linuxtools.internal.docker.ui.commands;
import static org.eclipse.linuxtools.internal.docker.ui.commands.CommandUtils.getCurrentConnection;
import static org.eclipse.linuxtools.internal.docker.ui.commands.CommandUtils.getSelectedImages;
import java.util.List;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.linuxtools.docker.core.DockerException;
import org.eclipse.linuxtools.docker.core.IDockerConnection;
import org.eclipse.linuxtools.docker.core.IDockerImage;
import org.eclipse.linuxtools.docker.ui.Activator;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* Base handler for commands on {@link IDockerImage}
*
* @author jjohnstn
*
*/
public abstract class BaseImagesCommandHandler extends AbstractHandler {
@Override
public Object execute(ExecutionEvent event) {
final IWorkbenchPart activePart = HandlerUtil.getActivePart(event);
final List<IDockerImage> selectedImages = getSelectedImages(activePart);
final IDockerConnection connection = getCurrentConnection(activePart);
if (connection == null || selectedImages.isEmpty()) {
Activator.log(new DockerException(CommandMessages
.getString("Command.missing.selection.failure"))); //$NON-NLS-1$
return null;
}
final Job job = new Job(getJobName(selectedImages)) {
@Override
protected IStatus run(final IProgressMonitor monitor) {
if (confirmed(selectedImages)) {
monitor.beginTask(getJobName(selectedImages),
selectedImages.size());
for (final IDockerImage image : selectedImages) {
monitor.setTaskName(getTaskName(image));
executeInJob(image, connection);
monitor.worked(1);
}
}
monitor.done();
return Status.OK_STATUS;
}
};
job.setPriority(Job.LONG);
job.setUser(true);
job.schedule();
return null;
}
void openError(final String errorMessage, final Exception e) {
Display.getDefault().syncExec(() -> MessageDialog.openError(
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
errorMessage, e.getMessage()));
}
// allow commands to add confirmation dialog
boolean confirmed(
@SuppressWarnings("unused") List<IDockerImage> selectedImages) {
return true;
}
abstract String getJobName(final List<IDockerImage> selectedImages);
abstract String getTaskName(final IDockerImage image);
abstract void executeInJob(final IDockerImage image,
final IDockerConnection connection);
}
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