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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.navigator.images;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.tm.tcf.protocol.Protocol;
import org.eclipse.tm.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tm.te.tcf.locator.interfaces.nodes.IPeerModelProperties;
import org.eclipse.tm.te.tcf.ui.internal.ImageConsts;
import org.eclipse.tm.te.ui.jface.images.AbstractImageDescriptor;
/**
* Target Explorer: Peer model node image descriptor implementation.
*/
public class PeerImageDescriptor extends AbstractImageDescriptor {
// the base image to decorate with overlays
private Image baseImage;
// the image size
private Point imageSize;
// Flags representing the object states to decorate
private int state;
/**
* Constructor.
*/
public PeerImageDescriptor(final ImageRegistry registry, final Image baseImage, final IPeerModel node) {
super(registry);
this.baseImage = baseImage;
imageSize = new Point(baseImage.getImageData().width, baseImage.getImageData().height);
// Determine the current object state to decorate
if (Protocol.isDispatchThread()) {
initialize(node);
} else {
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
initialize(node);
}
});
}
// build up the key for the image registry
defineKey(baseImage.hashCode());
}
/**
* Initialize the image descriptor from the peer model.
*
* @param node The peer model. Must not be <code>null</code>.
*/
protected void initialize(IPeerModel node) {
Assert.isNotNull(node);
Assert.isTrue(Protocol.isDispatchThread());
state = node.getIntProperty(IPeerModelProperties.PROP_STATE);
}
protected void defineKey(int hashCode) {
String key = "PMID:" + //$NON-NLS-1$
hashCode + ":" + //$NON-NLS-1$
state;
setDecriptorKey(key);
}
/* (non-Javadoc)
* @see org.eclipse.jface.resource.CompositeImageDescriptor#drawCompositeImage(int, int)
*/
@Override
protected void drawCompositeImage(int width, int height) {
drawCentered(baseImage, width, height);
if (state == IPeerModelProperties.STATE_UNKNOWN) { /* unknown */
drawBottomRight(ImageConsts.IMAGE_GREY_OVR);
}
else if (state == IPeerModelProperties.STATE_REACHABLE) { /* not connected, but reachable */
drawBottomRight(ImageConsts.IMAGE_GOLD_OVR);
}
else if (state == IPeerModelProperties.STATE_CONNECTED) { /* connected */
drawBottomRight(ImageConsts.IMAGE_GREEN_OVR);
}
else if (state == IPeerModelProperties.STATE_NOT_REACHABLE) { /* not connected, not reachable */
drawBottomRight(ImageConsts.IMAGE_RED_OVR);
}
else if (state == IPeerModelProperties.STATE_ERROR) { /* not connected, error */
drawBottomRight(ImageConsts.IMAGE_RED_X_OVR);
}
}
/* (non-Javadoc)
* @see org.eclipse.jface.resource.CompositeImageDescriptor#getSize()
*/
@Override
protected Point getSize() {
return imageSize;
}
/* (non-Javadoc)
* @see org.eclipse.tm.te.tcf.ide.util.ui.AbstractImageDescriptor#getBaseImage()
*/
@Override
protected Image getBaseImage() {
return baseImage;
}
}
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