/*******************************************************************************
* Copyright (c) 2009, 2014 Ericsson
*
* 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:
* Francois Chouinard - Initial API and implementation
* Patrick Tasse - Close editors to release resources
*******************************************************************************/
package org.eclipse.tracecompass.internal.tmf.ui.project.handlers;
import java.util.Iterator;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.tracecompass.internal.tmf.ui.Activator;
import org.eclipse.tracecompass.tmf.ui.project.model.TmfExperimentElement;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
/**
* <b><u>DeleteExperimentHandler</u></b>
* <p>
*/
public class DeleteExperimentHandler extends AbstractHandler {
// ------------------------------------------------------------------------
// Execution
// ------------------------------------------------------------------------
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
// Check if we are closing down
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null) {
return null;
}
// Confirm the operation
Shell shell = window.getShell();
MessageBox confirmOperation = new MessageBox(shell, SWT.ICON_QUESTION | SWT.CANCEL | SWT.OK);
confirmOperation.setText(Messages.DeleteDialog_Title);
confirmOperation.setMessage(Messages.DeleteExperimentHandler_Message);
if (confirmOperation.open() != SWT.OK) {
return null;
}
// Get the selection
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IWorkbenchPart part = page.getActivePart();
if (part == null) {
return Boolean.FALSE;
}
ISelection selection = part.getSite().getSelectionProvider().getSelection();
if (selection instanceof TreeSelection) {
TreeSelection sel = (TreeSelection) selection;
Iterator<Object> iterator = sel.iterator();
while (iterator.hasNext()) {
Object element = iterator.next();
if (element instanceof TmfExperimentElement) {
final TmfExperimentElement experiment = (TmfExperimentElement) element;
IResource resource = experiment.getResource();
try {
// Close the experiment if open
experiment.closeEditors();
IPath path = resource.getLocation();
if (path != null) {
// Delete supplementary files
experiment.deleteSupplementaryFolder();
}
// Finally, delete the experiment
resource.delete(true, null);
} catch (final CoreException e) {
Display.getDefault().asyncExec(new Runnable() {
@Override
public void run() {
final MessageBox mb = new MessageBox(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell());
mb.setText(Messages.DeleteTraceHandler_Error + ' ' + experiment.getName());
mb.setMessage(e.getMessage());
mb.open();
}
});
Activator.getDefault().logError("Error deleting experiment: " + experiment.getName(), e); //$NON-NLS-1$
}
}
}
}
return null;
}
}