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/*******************************************************************************
* Copyright (c) 2014, 2015 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:
* Matthew Khouzam - Initial API and implementation
* Patrick Tasse - Initial API and implementation
*******************************************************************************/
package org.eclipse.tracecompass.internal.tmf.ui.project.handlers;
import java.lang.reflect.InvocationTargetException;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.tracecompass.internal.tmf.ui.project.dialogs.offset.OffsetDialog;
import org.eclipse.tracecompass.internal.tmf.ui.project.operations.TmfWorkspaceModifyOperation;
import org.eclipse.tracecompass.tmf.core.synchronization.ITmfTimestampTransform;
import org.eclipse.tracecompass.tmf.core.synchronization.TimestampTransformFactory;
import org.eclipse.tracecompass.tmf.ui.project.model.TmfExperimentElement;
import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceElement;
import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceFolder;
import org.eclipse.tracecompass.tmf.ui.project.model.TraceUtils;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* Offset Handler
*
* @author Matthew Khouzam
*/
public class OffsetTraceHandler extends AbstractHandler {
// ------------------------------------------------------------------------
// Execution
// ------------------------------------------------------------------------
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelection(event);
// Get the set of selected trace elements
final Set<TmfTraceElement> traceElements = new HashSet<>();
if (selection instanceof StructuredSelection) {
Iterator<Object> iterator = ((StructuredSelection) selection).iterator();
while (iterator.hasNext()) {
Object element = iterator.next();
if (element instanceof TmfTraceElement) {
TmfTraceElement trace = (TmfTraceElement) element;
traceElements.add(trace.getElementUnderTraceFolder());
} else if (element instanceof TmfExperimentElement) {
TmfExperimentElement exp = (TmfExperimentElement) element;
for (TmfTraceElement trace : exp.getTraces()) {
traceElements.add(trace.getElementUnderTraceFolder());
}
} else if (element instanceof TmfTraceFolder) {
TmfTraceFolder folder = (TmfTraceFolder) element;
traceElements.addAll(folder.getTraces());
}
}
}
if (traceElements.isEmpty()) {
return null;
}
final Map<TmfTraceElement, Long> offsets = new LinkedHashMap<>(traceElements.size());
for (TmfTraceElement trace : traceElements) {
offsets.put(trace, 0L);
}
Shell shell = HandlerUtil.getActiveShellChecked(event);
OffsetDialog dialog = new OffsetDialog(shell, offsets);
dialog.open();
if (dialog.getReturnCode() != Window.OK) {
return null;
}
TmfWorkspaceModifyOperation operation = new TmfWorkspaceModifyOperation() {
@Override
public void execute(IProgressMonitor monitor) throws CoreException {
for (final Map.Entry<TmfTraceElement, Long> entry : offsets.entrySet()) {
if (monitor.isCanceled()) {
throw new OperationCanceledException();
}
final TmfTraceElement trace = entry.getKey();
Long offset = entry.getValue();
if (offset != 0 && trace.getResource().exists()) {
Display.getDefault().syncExec(trace::closeEditors);
long previousOffset = TimestampTransformFactory.getTimestampTransform(trace.getResource()).transform(0);
ITmfTimestampTransform transform = TimestampTransformFactory.createWithOffset(previousOffset + offset);
trace.deleteSupplementaryResources();
// make sure the supplementary folder exists
trace.refreshSupplementaryFolder();
TimestampTransformFactory.setTimestampTransform(trace.getResource(), transform);
trace.refreshSupplementaryFolder();
}
}
}
};
try {
PlatformUI.getWorkbench().getProgressService().run(true, true, operation);
} catch (InterruptedException e) {
return null;
} catch (InvocationTargetException e) {
TraceUtils.displayErrorMsg(e.toString(), e.getTargetException().toString());
return null;
}
return null;
}
}
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