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/*******************************************************************************
* Copyright (c) 2009, 2010 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.linuxtools.lttng.ui.views.project.handlers;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.IHandlerListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.linuxtools.lttng.ui.views.project.ProjectView;
import org.eclipse.linuxtools.lttng.ui.views.project.model.LTTngExperimentNode;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
/**
* <b><u>OpenExperimentHandler</u></b>
* <p>
* TODO: Implement me. Please.
*/
public class OpenExperimentHandler implements IHandler {
private LTTngExperimentNode fExperiment = null;
// ------------------------------------------------------------------------
// Validation
// ------------------------------------------------------------------------
public boolean isEnabled() {
// Check if we are closing down
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null)
return false;
// Check if a trace is selected
IWorkbenchPage page = window.getActivePage();
if (!(page.getActivePart() instanceof ProjectView))
return false;
// Check if a trace is selected
ISelection selection = page.getSelection(ProjectView.ID);
if (selection instanceof StructuredSelection) {
Object element = ((StructuredSelection) selection).getFirstElement();
fExperiment = (element instanceof LTTngExperimentNode) ? (LTTngExperimentNode) element : null;
}
return (fExperiment != null);
}
// Handled if we are in the ProjectView
public boolean isHandled() {
return true;
}
// ------------------------------------------------------------------------
// Execution
// ------------------------------------------------------------------------
public Object execute(ExecutionEvent event) throws ExecutionException {
// Set the selection to the project
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
ProjectView projectView = (ProjectView) page.getActivePart();
if (projectView != null) {
projectView.selectExperiment(fExperiment);
}
return null;
}
// ------------------------------------------------------------------------
// IHandlerListener
// ------------------------------------------------------------------------
public void addHandlerListener(IHandlerListener handlerListener) {
// TODO Auto-generated method stub
}
public void removeHandlerListener(IHandlerListener handlerListener) {
// TODO Auto-generated method stub
}
public void dispose() {
// TODO Auto-generated method stub
}
}
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