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/*******************************************************************************
* Copyright (c) 2013 École Polytechnique de Montréal
*
* 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:
* Geneviève Bastien - Initial implementation and API
*******************************************************************************/
package org.eclipse.linuxtools.internal.tmf.ui.project.handlers;
import java.util.ArrayList;
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.runtime.CoreException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.linuxtools.internal.tmf.ui.Activator;
import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
import org.eclipse.linuxtools.tmf.core.synchronization.SynchronizationAlgorithm;
import org.eclipse.linuxtools.tmf.core.trace.ITmfTrace;
import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment;
import org.eclipse.linuxtools.tmf.ui.project.model.ITmfProjectModelElement;
import org.eclipse.linuxtools.tmf.ui.project.model.TmfExperimentElement;
import org.eclipse.linuxtools.tmf.ui.project.model.TmfTraceElement;
import org.eclipse.linuxtools.tmf.ui.project.model.TraceUtils;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
/**
* Handles the synchronization of an experiment, when the user selects this
* option in the menu
*/
public class SynchronizeTracesHandler extends AbstractHandler {
// ------------------------------------------------------------------------
// Attributes
// ------------------------------------------------------------------------
private TreeSelection fSelection = null;
private static final String CR = System.getProperty("line.separator"); //$NON-NLS-1$
// ------------------------------------------------------------------------
// Validation
// ------------------------------------------------------------------------
@Override
public boolean isEnabled() {
return true;
}
// ------------------------------------------------------------------------
// 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;
}
// Get the selection
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IWorkbenchPart part = page.getActivePart();
if (part == null) {
return false;
}
ISelectionProvider selectionProvider = part.getSite().getSelectionProvider();
if (selectionProvider == null) {
return false;
}
ISelection selection = selectionProvider.getSelection();
// Make sure selection contains only traces
fSelection = null;
final ArrayList<TmfTraceElement> tl = new ArrayList<TmfTraceElement>();
final ArrayList<TmfExperimentElement> uiexperiment = new ArrayList<TmfExperimentElement>();
if (selection instanceof TreeSelection) {
fSelection = (TreeSelection) selection;
Iterator<Object> iterator = fSelection.iterator();
while (iterator.hasNext()) {
Object element = iterator.next();
if (element instanceof TmfTraceElement) {
tl.add((TmfTraceElement) element);
} else if (element instanceof TmfExperimentElement) {
TmfExperimentElement exp = (TmfExperimentElement) element;
uiexperiment.add(exp);
for (TmfTraceElement trace : exp.getTraces()) {
tl.add(trace);
}
}
}
}
if ((uiexperiment.size() == 1) && (tl.size() > 1)) {
Thread thread = new Thread() {
@Override
public void run() {
final ITmfTrace[] traces = new ITmfTrace[tl.size()];
final TmfExperimentElement exp = uiexperiment.get(0);
for (int i = 0; i < tl.size(); i++) {
ITmfTrace trace = tl.get(i).instantiateTrace();
ITmfEvent traceEvent = tl.get(i).instantiateEvent();
if (trace == null) {
TraceUtils.displayErrorMsg(Messages.SynchronizeTracesHandler_Title, Messages.SynchronizeTracesHandler_WrongType + tl.get(i).getName());
for (int j = 0; j < i; j++) {
traces[j].dispose();
}
return;
}
try {
trace.initTrace(tl.get(i).getResource(), tl.get(i).getLocation().getPath(), traceEvent.getClass());
} catch (TmfTraceException e) {
TraceUtils.displayErrorMsg(Messages.SynchronizeTracesHandler_Title, Messages.OpenTraceHandler_InitError + CR + CR + e);
trace.dispose();
for (int j = 0; j < i; j++) {
traces[j].dispose();
}
return;
}
traces[i] = trace;
}
/*
* FIXME Unlike traces, there is no instanceExperiment, so
* we call this function here alone. Maybe it would be
* better to do this on experiment's element constructor?
*/
exp.refreshSupplementaryFolder();
final TmfExperiment experiment = new TmfExperiment(ITmfEvent.class, exp.getName(), traces, exp.getResource());
try {
final SynchronizationAlgorithm syncAlgo = experiment.synchronizeTraces(true);
Display.getDefault().asyncExec(new Runnable() {
@Override
public void run() {
/*
* For each trace in the experiment, if there is
* a transform equation, copy the original
* trace, so that a new state system will be
* generated with sync time.
*/
for (int i = 0; i < tl.size(); i++) {
TmfTraceElement traceel = tl.get(i);
try {
if (syncAlgo.isTraceSynced(traceel.getName())) {
/* Find the original trace */
TmfTraceElement origtrace = null;
for (ITmfProjectModelElement el : traceel.getProject().getTracesFolder().getTraces()) {
if (el.getName().equals(traceel.getName())) {
origtrace = (TmfTraceElement) el;
}
}
if (origtrace != null) {
/*
* Make sure a trace with the
* new name does not exist
*/
String newname = traceel.getName();
boolean traceexists;
do {
traceexists = false;
newname += "_"; //$NON-NLS-1$
for (ITmfProjectModelElement el : traceel.getProject().getTracesFolder().getTraces()) {
if (el.getName().equals(newname)) {
traceexists = true;
}
}
} while (traceexists);
/* Copy the original trace */
TmfTraceElement newtrace = origtrace.copy(newname);
if (newtrace != null) {
syncAlgo.renameTrace(origtrace.getName(), newtrace.getName());
/*
* Instantiate the new trace
* and set its sync formula
*/
ITmfTrace trace = newtrace.instantiateTrace();
ITmfEvent traceEvent = newtrace.instantiateEvent();
trace.initTrace(newtrace.getResource(), newtrace.getLocation().getPath(), traceEvent.getClass());
trace.setTimestampTransform(syncAlgo.getTimestampTransform(trace));
/*
* Add the new trace to the
* experiment
*/
exp.addTrace(newtrace);
/*
* Delete the original trace
* element
*/
exp.removeTrace(traceel);
} else {
TraceUtils.displayErrorMsg(Messages.SynchronizeTracesHandler_Title, Messages.SynchronizeTracesHandler_Error + CR + CR + String.format(Messages.SynchronizeTracesHandler_CopyProblem, origtrace.getName()));
}
}
}
} catch (CoreException e) {
Activator.getDefault().logError(String.format(Messages.SynchronizeTracesHandler_ErrorSynchingForTrace, exp.getName(), traceel.getName()), e);
TraceUtils.displayErrorMsg(Messages.SynchronizeTracesHandler_Title, Messages.SynchronizeTracesHandler_Error + CR + CR + e.getMessage());
} catch (TmfTraceException e) {
Activator.getDefault().logError(String.format(Messages.SynchronizeTracesHandler_ErrorSynchingForTrace, exp.getName(), traceel.getName()), e);
TraceUtils.displayErrorMsg(Messages.SynchronizeTracesHandler_Title, Messages.SynchronizeTracesHandler_Error + CR + CR + e.getMessage());
}
}
}
});
} catch (TmfTraceException e) {
Activator.getDefault().logError(String.format(Messages.SynchronizeTracesHandler_ErrorSynchingExperiment, exp.getName()), e);
TraceUtils.displayErrorMsg(Messages.SynchronizeTracesHandler_Title, Messages.OpenExperimentHandler_Error + CR + CR + e.getMessage());
}
}
};
thread.start();
} else {
TraceUtils.displayErrorMsg(Messages.SynchronizeTracesHandler_Title, Messages.SynchronizeTracesHandler_WrongTraceNumber);
}
return null;
}
}
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