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/*******************************************************************************
* Copyright (c) 2013, 2014 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.tracecompass.tmf.ui.views.synchronization;
import java.util.Map;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler;
import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal;
import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSynchronizedSignal;
import org.eclipse.tracecompass.tmf.core.synchronization.SynchronizationAlgorithm;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager;
import org.eclipse.tracecompass.tmf.core.trace.experiment.TmfExperiment;
import org.eclipse.tracecompass.tmf.ui.views.TmfView;
/**
* Small view to display statistics about a synchronization
*
* @author Geneviève Bastien
*/
public class TmfSynchronizationView extends TmfView {
/**
* The ID corresponds to the package in which this class is embedded.
*/
public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.synchronization"; //$NON-NLS-1$
/**
* The view name.
*/
public static final String TMF_SYNCHRONIZATION_VIEW = "SynchronizationView"; //$NON-NLS-1$
/**
* The synchronization algorithm to display stats for
*/
private SynchronizationAlgorithm fAlgoSync;
private Tree fTree;
/**
* Default constructor
*/
public TmfSynchronizationView() {
super(TMF_SYNCHRONIZATION_VIEW);
}
@Override
public void createPartControl(Composite parent) {
fTree = new Tree(parent, SWT.NONE);
TreeColumn nameCol = new TreeColumn(fTree, SWT.NONE, 0);
TreeColumn valueCol = new TreeColumn(fTree, SWT.NONE, 1);
nameCol.setText(Messages.TmfSynchronizationView_NameColumn);
valueCol.setText(Messages.TmfSynchronizationView_ValueColumn);
fTree.setItemCount(0);
fTree.setHeaderVisible(true);
nameCol.pack();
valueCol.pack();
ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace();
if (trace != null) {
traceSelected(new TmfTraceSelectedSignal(this, trace));
}
}
private void updateTable() {
fTree.setItemCount(0);
if (fAlgoSync == null) {
return;
}
for (Map.Entry<String, Map<String, Object>> entry : fAlgoSync.getStats().entrySet()) {
TreeItem item = new TreeItem(fTree, SWT.NONE);
item.setText(0, entry.getKey().toString());
item.setText(1, entry.getValue().toString());
for (Map.Entry<String, Object> subentry : entry.getValue().entrySet()) {
TreeItem subitem = new TreeItem(item, SWT.NONE);
subitem.setText(0, subentry.getKey().toString());
subitem.setText(1, subentry.getValue().toString());
}
}
/* Expand the tree items */
for (int i = 0; i < fTree.getItemCount(); i++) {
fTree.getItem(i).setExpanded(true);
}
for (TreeColumn column : fTree.getColumns()) {
column.pack();
}
}
@Override
public void setFocus() {
fTree.setFocus();
}
/**
* Handler called when a trace is selected
*
* @param signal
* Contains information about the selected trace
*/
@TmfSignalHandler
public void traceSelected(TmfTraceSelectedSignal signal) {
fAlgoSync = null;
if (signal.getTrace() instanceof TmfExperiment) {
fAlgoSync = ((TmfExperiment) signal.getTrace()).synchronizeTraces();
}
Display.getDefault().asyncExec(this::updateTable);
}
/**
* Handler called when traces are synchronized
*
* @param signal
* Contains the information about the selection.
*/
@TmfSignalHandler
public void traceSynchronized(TmfTraceSynchronizedSignal signal) {
if (signal.getSyncAlgo() != fAlgoSync) {
fAlgoSync = signal.getSyncAlgo();
Display.getDefault().asyncExec(this::updateTable);
}
}
}
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