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/*****************************************************************************
* Copyright (c) 2016 CEA LIST 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:
* Quentin Le Menez (CEA LIST) quentin.lemenez@cea.fr - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.propertylifecycle.preferences;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.ImageRegistry;
import org.eclipse.papyrus.infra.core.log.LogHelper;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*
*/
public class Activator extends AbstractUIPlugin {
/** The plug-in ID */
public static final String PLUGIN_ID = "org.eclipse.papyrus.infra.propertylifecycle.preferences"; //$NON-NLS-1$
/** The shared instance */
private static Activator plugin;
/** Logging helper */
public static LogHelper log;
/** The tag to identify the trace when activating the messages in the .options file */
public static String STRATEGY_PREFERENCES_TRACE = "lifecyclepreferences";
/**
* The constructor
*/
public Activator() {
}
/*
* (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;
log = new LogHelper(this);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
*/
@Override
public void stop(BundleContext context) throws Exception {
plugin = null;
log = null;
super.stop(context);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault() {
return plugin;
}
/**
* Get the image from its path in the current plugin
*
* @param path
* @return
* The {@link #org.eclipse.swt.graphics.Image image}
*/
public Image getImage(String path) {
return getImage(PLUGIN_ID, path);
}
/**
* Get the image from its path in the specified plugin
*
* @param pluginId
* @param path
* @return
* The {@link #org.eclipse.swt.graphics.Image image}
*/
public Image getImage(String pluginId, String path) {
final ImageRegistry registry = getImageRegistry();
String key = pluginId + "/" + path; //$NON-NLS-1$
Image image = registry.get(key);
if (image == null) {
registry.put(key, AbstractUIPlugin.imageDescriptorFromPlugin(pluginId, path));
image = registry.get(key);
}
return image;
}
/**
* Returns an image descriptor for the image file at the given plug-in relative path.
*
* @param path
* @return the image descriptor
*/
public ImageDescriptor getImageDescriptor(String path) {
return imageDescriptorFromPlugin(PLUGIN_ID, path);
}
}
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