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/*******************************************************************************
* Copyright (c) 2011, 2013 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.ui.activator;
import java.net.URL;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.ListenerList;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.callback.AsyncCallbackCollector;
import org.eclipse.tcf.te.runtime.concurrent.util.ExecutorsUtil;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.services.ServiceManager;
import org.eclipse.tcf.te.runtime.services.interfaces.IService;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepContext;
import org.eclipse.tcf.te.runtime.stepper.interfaces.IStepperOperationService;
import org.eclipse.tcf.te.runtime.stepper.job.StepperJob;
import org.eclipse.tcf.te.runtime.utils.StatusHelper;
import org.eclipse.tcf.te.tcf.core.Tcf;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.ILocatorModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IStepperServiceOperations;
import org.eclipse.tcf.te.tcf.locator.model.Model;
import org.eclipse.tcf.te.tcf.ui.internal.ImageConsts;
import org.eclipse.tcf.te.tcf.ui.listeners.WorkbenchWindowListener;
import org.eclipse.tcf.te.ui.jface.images.AbstractImageDescriptor;
import org.eclipse.ui.IWindowListener;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchListener;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*/
public class UIPlugin extends AbstractUIPlugin {
// The shared instance
private static UIPlugin plugin;
// The workbench listener instance
private IWorkbenchListener listener;
// Reference to the workbench listener
/* default */ final ListenerList listeners = new ListenerList();
// The global window listener instance
private IWindowListener windowListener;
/**
* Constructor.
*/
public UIPlugin() {
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static UIPlugin getDefault() {
return plugin;
}
/**
* Convenience method which returns the unique identifier of this plugin.
*/
public static String getUniqueIdentifier() {
if (getDefault() != null && getDefault().getBundle() != null) {
return getDefault().getBundle().getSymbolicName();
}
return "org.eclipse.tcf.te.tcf.ui"; //$NON-NLS-1$
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
*/
@Override
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
// Create and register the workbench listener instance
listener = new IWorkbenchListener() {
@Override
public boolean preShutdown(IWorkbench workbench, boolean forced) {
boolean proceedShutdown = true;
// If there are workbench listener registered here, than
// invoke them now before closing all the channels.
Object[] candidates = listeners.getListeners();
for (Object listener : candidates) {
if (!(listener instanceof IWorkbenchListener)) continue;
proceedShutdown &= ((IWorkbenchListener)listener).preShutdown(workbench, forced);
if (!proceedShutdown && !forced) break;
}
if (proceedShutdown || forced) {
// Terminate the scanner
final ILocatorModel model = Model.getModel(true);
if (model != null) {
Runnable runnable = new Runnable() {
@Override
public void run() {
model.getScanner().terminate();
}
};
Assert.isTrue(!Protocol.isDispatchThread());
Protocol.invokeAndWait(runnable);
}
// Disconnect all connected connections via the stepper service
if (model != null) {
final AsyncCallbackCollector collector = new AsyncCallbackCollector();
Runnable runnable = new Runnable() {
@Override
public void run() {
// Get all peer model objects
IPeerModel[] peers = model.getPeers();
// Loop them and check if disconnect is available
for (IPeerModel peerModel : peers) {
IService[] services = ServiceManager.getInstance().getServices(peerModel, IStepperOperationService.class, false);
IStepperOperationService stepperOperationService = null;
for (IService service : services) {
if (service instanceof IStepperOperationService && ((IStepperOperationService)service).isHandledOperation(peerModel, IStepperServiceOperations.DISCONNECT)) {
stepperOperationService = (IStepperOperationService)service;
break;
}
}
if (stepperOperationService != null) {
String stepGroupId = stepperOperationService.getStepGroupId(peerModel, IStepperServiceOperations.DISCONNECT);
IStepContext stepContext = stepperOperationService.getStepContext(peerModel, IStepperServiceOperations.DISCONNECT);
String name = stepperOperationService.getStepGroupName(peerModel, IStepperServiceOperations.DISCONNECT);
boolean isEnabled = stepperOperationService.isEnabled(peerModel, IStepperServiceOperations.DISCONNECT);
IPropertiesContainer data = stepperOperationService.getStepData(peerModel, IStepperServiceOperations.DISCONNECT);
if (isEnabled && stepGroupId != null && stepContext != null) {
try {
StepperJob job = new StepperJob(name != null ? name : "", //$NON-NLS-1$
stepContext,
data,
stepGroupId,
IStepperServiceOperations.DISCONNECT,
false);
ICallback callback = new AsyncCallbackCollector.SimpleCollectorCallback(collector);
job.setJobCallback(callback);
job.schedule();
} catch (IllegalStateException e) {
if (Platform.inDebugMode()) {
getLog().log(StatusHelper.getStatus(e));
}
}
}
}
}
collector.initDone();
}
};
Assert.isTrue(!Protocol.isDispatchThread());
Protocol.invokeAndWait(runnable);
ExecutorsUtil.waitAndExecute(0, collector.getConditionTester());
}
// Close all channels now
Tcf.getChannelManager().closeAll(!Protocol.isDispatchThread());
}
return proceedShutdown;
}
@Override
public void postShutdown(IWorkbench workbench) {
// If there are workbench listener registered here, than invoke them now.
Object[] candidates = listeners.getListeners();
for (Object listener : candidates) {
if (!(listener instanceof IWorkbenchListener)) continue;
((IWorkbenchListener)listener).postShutdown(workbench);
}
}
};
PlatformUI.getWorkbench().addWorkbenchListener(listener);
if (windowListener == null && PlatformUI.getWorkbench() != null) {
windowListener = new WorkbenchWindowListener();
PlatformUI.getWorkbench().addWindowListener(windowListener);
activateContexts();
}
}
void activateContexts() {
if (Display.getCurrent() != null) {
IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
if (window != null && windowListener != null) windowListener.windowOpened(window);
}
else {
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable(){
@Override
public void run() {
activateContexts();
}});
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext context) throws Exception {
if (listener != null) { PlatformUI.getWorkbench().removeWorkbenchListener(listener); listener = null; }
if (windowListener != null && PlatformUI.getWorkbench() != null) {
PlatformUI.getWorkbench().removeWindowListener(windowListener);
windowListener = null;
}
plugin = null;
super.stop(context);
}
/**
* Adds the given workbench listener.
* <p>
* Has not effect if the same listener is already registered.
*
* @param listener The listener. Must not be <code>null</code>.
*/
public void addListener(IWorkbenchListener listener) {
Assert.isNotNull(listener);
listeners.add(listener);
}
/**
* Removes the given workbench listener.
* <p>
* Has no effect if the same listener was not already registered.
*
* @param listener The listener. Must not be <code>null</code>.
*/
public void removeListener(IWorkbenchListener listener) {
Assert.isNotNull(listener);
listeners.remove(listener);
}
/* (non-Javadoc)
* @see org.eclipse.ui.plugin.AbstractUIPlugin#initializeImageRegistry(org.eclipse.jface.resource.ImageRegistry)
*/
@Override
protected void initializeImageRegistry(ImageRegistry registry) {
URL url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "peer.gif"); //$NON-NLS-1$
registry.put(ImageConsts.PEER, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "peer_discovered.gif"); //$NON-NLS-1$
registry.put(ImageConsts.PEER_DISCOVERED, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OBJ + "discovery_root.gif"); //$NON-NLS-1$
registry.put(ImageConsts.DISCOVERY_ROOT, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_ELCL + "newTarget_wiz.gif"); //$NON-NLS-1$
registry.put(ImageConsts.NEW_PEER, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OVR + "gold_ovr.gif"); //$NON-NLS-1$
registry.put(ImageConsts.GOLD_OVR, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OVR + "green_ovr.gif"); //$NON-NLS-1$
registry.put(ImageConsts.GREEN_OVR, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OVR + "grey_ovr.gif"); //$NON-NLS-1$
registry.put(ImageConsts.GREY_OVR, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OVR + "red_ovr.gif"); //$NON-NLS-1$
registry.put(ImageConsts.RED_OVR, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OVR + "redX_ovr.gif"); //$NON-NLS-1$
registry.put(ImageConsts.RED_X_OVR, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_OVR + "link_ovr.gif"); //$NON-NLS-1$
registry.put(ImageConsts.LINK_OVR, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_DTOOL + "run_exc.gif"); //$NON-NLS-1$
registry.put(ImageConsts.RUN_DISABLED, ImageDescriptor.createFromURL(url));
url = UIPlugin.getDefault().getBundle().getEntry(ImageConsts.IMAGE_DIR_ROOT + ImageConsts.IMAGE_DIR_ETOOL + "run_exc.gif"); //$NON-NLS-1$
registry.put(ImageConsts.RUN_ENABLED, ImageDescriptor.createFromURL(url));
}
/**
* Loads the image registered under the specified key from the image
* registry and returns the <code>Image</code> object instance.
*
* @param key The key the image is registered with.
* @return The <code>Image</code> object instance or <code>null</code>.
*/
public static Image getImage(String key) {
return getDefault().getImageRegistry().get(key);
}
/**
* Loads the image registered under the specified key from the image
* registry and returns the <code>ImageDescriptor</code> object instance.
*
* @param key The key the image is registered with.
* @return The <code>ImageDescriptor</code> object instance or <code>null</code>.
*/
public static ImageDescriptor getImageDescriptor(String key) {
return getDefault().getImageRegistry().getDescriptor(key);
}
/**
* Loads the image given by the specified image descriptor from the image
* registry. If the image has been loaded ones before already, the cached
* <code>Image</code> object instance is returned. Otherwise, the <code>
* Image</code> object instance will be created and cached before returned.
*
* @param descriptor The image descriptor.
* @return The corresponding <code>Image</code> object instance or <code>null</code>.
*/
public static Image getSharedImage(AbstractImageDescriptor descriptor) {
ImageRegistry registry = getDefault().getImageRegistry();
String imageKey = descriptor.getDecriptorKey();
Image image = registry.get(imageKey);
if (image == null) {
registry.put(imageKey, descriptor);
image = registry.get(imageKey);
}
return image;
}
}
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