/*******************************************************************************
* Copyright (c) 2011, 2013 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 fr.inria.linuxtools.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.swt.widgets.Shell;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import fr.inria.linuxtools.tmf.ui.project.model.TmfTraceElement;
import fr.inria.linuxtools.tmf.ui.project.model.TmfTraceFolder;
import fr.inria.linuxtools.tmf.ui.project.wizards.CopyTraceDialog;
/**
* <b><u>CopyTraceHandler</u></b>
* <p>
*/
public class CopyTraceHandler extends AbstractHandler {
private TmfTraceElement fTrace = null;
// ------------------------------------------------------------------------
// Validation
// ------------------------------------------------------------------------
@Override
public boolean isEnabled() {
// Check if we are closing down
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window == null) {
return false;
}
// 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 a trace is selected
fTrace = null;
if (selection instanceof TreeSelection) {
TreeSelection sel = (TreeSelection) selection;
// There should be only one item selected as per the plugin.xml
Object element = sel.getFirstElement();
if (element instanceof TmfTraceElement) {
fTrace = (TmfTraceElement) element;
}
}
// We only enable opening from the Traces folder for now
return (fTrace != null && fTrace.getParent() instanceof TmfTraceFolder);
}
// ------------------------------------------------------------------------
// 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;
}
// Fire the Copy Experiment dialog
Shell shell = window.getShell();
CopyTraceDialog dialog = new CopyTraceDialog(shell, fTrace);
dialog.open();
return null;
}
}