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/*******************************************************************************
* Copyright (c) 2012, 2014 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.tcf.te.tcf.processes.ui.handler;
import java.util.Iterator;
import java.util.Map;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.osgi.util.NLS;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.callback.Callback;
import org.eclipse.tcf.te.runtime.services.ServiceManager;
import org.eclipse.tcf.te.runtime.services.interfaces.IUIService;
import org.eclipse.tcf.te.runtime.statushandler.StatusHandlerUtil;
import org.eclipse.tcf.te.tcf.core.model.interfaces.IModel;
import org.eclipse.tcf.te.tcf.core.model.interfaces.services.IModelRefreshService;
import org.eclipse.tcf.te.tcf.core.model.interfaces.services.IModelUpdateService;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
import org.eclipse.tcf.te.tcf.processes.core.model.interfaces.IProcessContextNode;
import org.eclipse.tcf.te.tcf.processes.core.model.interfaces.runtime.IRuntimeModel;
import org.eclipse.tcf.te.tcf.processes.core.model.steps.TerminateStep;
import org.eclipse.tcf.te.tcf.processes.ui.help.IContextHelpIds;
import org.eclipse.tcf.te.tcf.processes.ui.interfaces.IProcessMonitorUIDelegate;
import org.eclipse.tcf.te.tcf.processes.ui.nls.Messages;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.commands.IElementUpdater;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.ui.menus.UIElement;
/**
* The handler to terminate the selected process.
*/
public class TerminateHandler extends AbstractHandler implements IElementUpdater {
/* (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 IProcessContextNode) {
final IProcessContextNode process = (IProcessContextNode)candidate;
Runnable runnable = new Runnable() {
@Override
public void run() {
TerminateStep step = new TerminateStep();
step.executeTerminate(process, new Callback() {
@Override
protected void internalDone(Object caller, final IStatus status) {
if (status.getSeverity() != IStatus.ERROR) {
IModel model = process.getParent(IModel.class);
Assert.isNotNull(model);
model.getService(IModelUpdateService.class).remove(process);
} else {
// Even on error, refresh the process node. Some children might be gone.
// But the error message must be for the original status object
final IStatus realStatus = status;
IModel model = process.getParent(IModel.class);
Assert.isNotNull(model);
model.getService(IModelRefreshService.class).refresh(process, new Callback() {
@Override
protected void internalDone(Object caller, IStatus status) {
IPeerNode node = process.getParent(IRuntimeModel.class).getPeerNode();
IUIService service = ServiceManager.getInstance().getService(node, IUIService.class);
IProcessMonitorUIDelegate delegate = service != null ? service.getDelegate(node, IProcessMonitorUIDelegate.class) : null;
String text = delegate != null ? delegate.getMessage("TerminateHandler_terminateFailed") : null; //$NON-NLS-1$
// Build up the message template
String template = NLS.bind(text != null ? text : Messages.TerminateHandler_terminateFailed, process.getName(), Messages.PossibleCause);
// Handle the status
StatusHandlerUtil.handleStatus(realStatus, process, template, null, IContextHelpIds.MESSAGE_TERMINATE_FAILED, TerminateHandler.this, null);
}
});
}
}
});
}
};
Protocol.invokeLater(runnable);
}
}
}
return null;
}
/* (non-Javadoc)
* @see org.eclipse.ui.commands.IElementUpdater#updateElement(org.eclipse.ui.menus.UIElement, java.util.Map)
*/
@Override
public void updateElement(UIElement element, Map parameters) {
IWorkbenchPartSite site = (IWorkbenchPartSite)parameters.get("org.eclipse.ui.part.IWorkbenchPartSite"); //$NON-NLS-1$
if (site != null) {
IWorkbenchPart part = site.getPart();
if (part instanceof IEditorPart) {
IEditorInput editorInput = ((IEditorPart)part).getEditorInput();
IPeerNode node = editorInput != null ? (IPeerNode) editorInput.getAdapter(IPeerNode.class) : null;
IUIService service = ServiceManager.getInstance().getService(node, IUIService.class);
IProcessMonitorUIDelegate delegate = service != null ? service.getDelegate(node, IProcessMonitorUIDelegate.class) : null;
if (delegate != null) {
String text = delegate.getMessage("TerminateHandler_updateElement_text"); //$NON-NLS-1$
if (text != null) element.setText(text);
String tooltip = delegate.getMessage("TerminateHandler_updateElement_tooltip"); //$NON-NLS-1$
if (tooltip != null) element.setTooltip(tooltip);
}
}
}
}
}
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