/*
* Copyright (c) 2004-2011 Marco Maccaferri and others.
* 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:
* Marco Maccaferri - initial API and implementation
*/
package org.eclipsetrader.ui.internal.ats.monitor;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipsetrader.core.ats.ITradingSystem;
import org.eclipsetrader.core.ats.ITradingSystemService;
import org.eclipsetrader.ui.internal.UIActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
public class StartStrategyHandler extends AbstractHandler {
public StartStrategyHandler() {
}
/* (non-Javadoc)
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
IStructuredSelection selection = (IStructuredSelection) HandlerUtil.getCurrentSelection(event);
if (selection != null && !selection.isEmpty()) {
BundleContext bundleContext = UIActivator.getDefault().getBundle().getBundleContext();
ServiceReference<ITradingSystemService> serviceReference = bundleContext.getServiceReference(ITradingSystemService.class);
ITradingSystemService service = bundleContext.getService(serviceReference);
for (Object target : selection.toList()) {
if (target instanceof IAdaptable) {
target = ((IAdaptable) target).getAdapter(ITradingSystem.class);
}
if (target instanceof ITradingSystem) {
ITradingSystem tradingSystem = (ITradingSystem) target;
service.start(tradingSystem);
}
}
bundleContext.ungetService(serviceReference);
}
return null;
}
}