package org.dcarew.notification;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.resource.ImageDescriptor;
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 NotificationPlugin extends AbstractUIPlugin {
// The plug-in ID
public static final String PLUGIN_ID = "org.dcarew.notification"; //$NON-NLS-1$
// The shared instance
private static NotificationPlugin plugin;
/**
* The constructor
*/
public NotificationPlugin() {
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext
* )
*/
public void start(BundleContext context) throws Exception {
super.start(context);
plugin = this;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext
* )
*/
public void stop(BundleContext context) throws Exception {
plugin = null;
super.stop(context);
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static NotificationPlugin getPlugin() {
return plugin;
}
/**
* Get an image given a path relative to this plugin.
*
* @param path
* @return
*/
public static Image getImage(String path) {
if (getPlugin().getImageRegistry().get(path) != null)
return getPlugin().getImageRegistry().get(path);
ImageDescriptor descriptor = findImageDescriptor(path);
if (descriptor != null) {
getPlugin().getImageRegistry().put(path, descriptor);
return getPlugin().getImageRegistry().get(path);
}
return null;
}
/**
* Respects images residing in any plug-in. If path is relative, then this
* bundle is looked up for the image, otherwise, for absolute path, first
* segment is taken as id of plug-in with image
*
* @param path the path to image, either absolute (with plug-in id as first
* segment), or relative for bundled images
* @return the image descriptor
*/
public static ImageDescriptor findImageDescriptor(String path) {
final IPath p = new Path(path);
if (p.isAbsolute() && p.segmentCount() > 1) {
return AbstractUIPlugin.imageDescriptorFromPlugin(p.segment(0),
p.removeFirstSegments(1).makeAbsolute().toString());
} else {
return getBundledImageDescriptor(p.makeAbsolute().toString());
}
}
/**
* Returns an image descriptor for the image file at the given plug-in
* relative path.
*
* @param path the path
* @return the image descriptor
*/
public static ImageDescriptor getBundledImageDescriptor(String path) {
return AbstractUIPlugin.imageDescriptorFromPlugin(PLUGIN_ID, path);
}
}