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/*******************************************************************************
* Copyright (c) 2011, 2015 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.editor.tree.columns;
import java.math.BigInteger;
import java.util.concurrent.atomic.AtomicLong;
import java.util.concurrent.atomic.AtomicReference;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.viewers.IFontProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.widgets.Display;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.services.ISysMonitor;
import org.eclipse.tcf.te.runtime.services.ServiceUtils;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
import org.eclipse.tcf.te.tcf.processes.core.model.interfaces.IPendingOperationNode;
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.ui.interfaces.IProcessMonitorUIDelegate;
import org.eclipse.tcf.te.tcf.processes.ui.navigator.runtime.AbstractLabelProviderDelegate;
/**
* The label provider for the tree column "PID".
*/
public class PIDLabelProvider extends AbstractLabelProviderDelegate implements IFontProvider {
Font pidFont = null;
public PIDLabelProvider() {
super();
FontData fd = new FontData("Courier New", 10, SWT.NORMAL); //$NON-NLS-1$
pidFont = new Font(Display.getCurrent(), fd );
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.BaseLabelProvider#dispose()
*/
@Override
public void dispose() {
super.dispose();
if (pidFont != null) pidFont.dispose();
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
*/
@Override
public String getText(Object element) {
if (element instanceof IRuntimeModel || element instanceof IPendingOperationNode) {
return ""; //$NON-NLS-1$
}
if (element instanceof IProcessContextNode) {
final IProcessContextNode node = (IProcessContextNode)element;
final AtomicLong pid = new AtomicLong();
final AtomicReference<BigInteger> pidBI = new AtomicReference<BigInteger>();
Runnable runnable = new Runnable() {
@Override
public void run() {
if (node.getSysMonitorContext() != null) {
pid.set(node.getSysMonitorContext().getPID());
if(pid.get() < 0) {
Object o = node.getSysMonitorContext().getProperties().get(ISysMonitor.PROP_PID);
if (o instanceof BigInteger) pidBI.set((BigInteger) o);
}
}
}
};
Assert.isTrue(!Protocol.isDispatchThread());
Protocol.invokeAndWait(runnable);
String id = pid.get() >= 0 ? Long.toString(pid.get()) : ""; //$NON-NLS-1$
if( pidBI.get() != null && pidBI.get().signum() >= 0 ) {
id = pidBI.get().toString();
}
if (id.startsWith("P")) id = id.substring(1); //$NON-NLS-1$
IPeerNode peerNode = (IPeerNode)node.getAdapter(IPeerNode.class);
IProcessMonitorUIDelegate delegate = ServiceUtils.getUIServiceDelegate(peerNode, peerNode, IProcessMonitorUIDelegate.class);
String newId = delegate != null ? delegate.getText(element, "PID", id) : null; //$NON-NLS-1$
return newId != null ? newId : id;
}
return ""; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.jface.viewers.IFontProvider#getFont(java.lang.Object)
*/
@Override
public Font getFont(Object element) {
return pidFont;
}
}
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