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/*******************************************************************************
* 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
*******************************************************************************/
package org.eclipse.tracecompass.internal.tmf.ui.project.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.TreeSelection;
import org.eclipse.tracecompass.tmf.ui.project.model.TmfOpenTraceHelper;
import org.eclipse.tracecompass.tmf.ui.project.model.TmfTraceElement;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
/**
* <b><u>OpenTraceHandler</u></b>
* <p>
* TODO: Add support for multiple trace selection
*/
public class OpenTraceHandler extends AbstractHandler {
// ------------------------------------------------------------------------
// Attributes
// ------------------------------------------------------------------------
private TmfTraceElement fTrace = null;
// ------------------------------------------------------------------------
// Validation
// ------------------------------------------------------------------------
@Override
public boolean isEnabled() {
// Check if we are closing down
final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null) {
return false;
}
// Get the selection
final IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
final IWorkbenchPart part = page.getActivePart();
if (part == null) {
return false;
}
final ISelectionProvider selectionProvider = part.getSite().getSelectionProvider();
if (selectionProvider == null) {
return false;
}
final ISelection selection = selectionProvider.getSelection();
// Make sure there is only one selection and that it is a trace
fTrace = null;
if (selection instanceof TreeSelection) {
final TreeSelection sel = (TreeSelection) selection;
// There should be only one item selected as per the plugin.xml
final Object element = sel.getFirstElement();
if (element instanceof TmfTraceElement) {
fTrace = (TmfTraceElement) element;
}
}
// We only enable opening from the Traces folder for now
return (fTrace != null);
}
// ------------------------------------------------------------------------
// Execution
// ------------------------------------------------------------------------
@Override
public Object execute(final ExecutionEvent event) throws ExecutionException {
// Check if we are closing down
final IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null) {
return null;
}
// Check that the trace is valid
if (fTrace == null) {
return null;
}
// If trace is under an experiment, use the original trace from the traces folder
TmfOpenTraceHelper.openTraceFromElement(fTrace.getElementUnderTraceFolder());
return null;
}
}
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