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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tm.te.tcf.ui.internal.handler;
import java.io.IOException;
import java.util.Iterator;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.tm.tcf.protocol.Protocol;
import org.eclipse.tm.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tm.te.runtime.persistence.interfaces.IPersistenceService;
import org.eclipse.tm.te.runtime.properties.PropertiesContainer;
import org.eclipse.tm.te.runtime.services.ServiceManager;
import org.eclipse.tm.te.runtime.statushandler.StatusHandlerManager;
import org.eclipse.tm.te.runtime.statushandler.interfaces.IStatusHandler;
import org.eclipse.tm.te.runtime.statushandler.interfaces.IStatusHandlerConstants;
import org.eclipse.tm.te.tcf.locator.interfaces.nodes.ILocatorModel;
import org.eclipse.tm.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tm.te.tcf.locator.interfaces.services.ILocatorModelRefreshService;
import org.eclipse.tm.te.tcf.ui.activator.UIPlugin;
import org.eclipse.tm.te.tcf.ui.internal.help.IContextHelpIds;
import org.eclipse.tm.te.tcf.ui.model.Model;
import org.eclipse.tm.te.tcf.ui.nls.Messages;
import org.eclipse.ui.handlers.HandlerUtil;
/**
* TCF static peers delete command handler implementation.
*/
public class DeleteCommandHandler extends AbstractHandler {
/* (non-Javadoc)
* @see org.eclipse.core.commands.IHandler#execute(org.eclipse.core.commands.ExecutionEvent)
*/
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
ISelection selection = HandlerUtil.getCurrentSelection(event);
if (selection instanceof IStructuredSelection && !selection.isEmpty()) {
Iterator<?> iterator = ((IStructuredSelection)selection).iterator();
while (iterator.hasNext()) {
Object candidate = iterator.next();
if (candidate instanceof IPeerModel && !(candidate.getClass().getSimpleName().equals("RemotePeer"))) { //$NON-NLS-1$
try {
IPersistenceService service = ServiceManager.getInstance().getService(IPersistenceService.class);
if (service == null) throw new IOException("Persistence service instance unavailable."); //$NON-NLS-1$
service.delete(candidate);
} catch (IOException e) {
// Create the status
IStatus status = new Status(IStatus.ERROR, UIPlugin.getUniqueIdentifier(),
Messages.DeleteCommandHandler_error_deleteFailed, e);
// Fill in the status handler custom data
IPropertiesContainer data = new PropertiesContainer();
data.setProperty(IStatusHandlerConstants.PROPERTY_TITLE, Messages.DeleteCommandHandler_error_title);
data.setProperty(IStatusHandlerConstants.PROPERTY_CONTEXT_HELP_ID, IContextHelpIds.MESSAGE_DELETE_FAILED);
data.setProperty(IStatusHandlerConstants.PROPERTY_DONT_ASK_AGAIN_ID, IContextHelpIds.MESSAGE_DELETE_FAILED);
data.setProperty(IStatusHandlerConstants.PROPERTY_CALLER, this);
// Get the status handler
IStatusHandler[] handler = StatusHandlerManager.getInstance().getHandler(candidate);
if (handler.length > 0) handler[0].handleStatus(status, data, null);
}
// Get the locator model
final ILocatorModel model = Model.getModel();
if (model != null) {
// Trigger a refresh of the model
final ILocatorModelRefreshService service = model.getService(ILocatorModelRefreshService.class);
if (service != null) {
Protocol.invokeLater(new Runnable() {
@Override
public void run() {
// Refresh the model now (must be executed within the TCF dispatch thread)
service.refresh();
}
});
}
}
}
}
}
return null;
}
}
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