package org.activiti.designer;
import java.net.URL;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
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.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.Bundle;
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.activiti.designer.gui"; //$NON-NLS-1$
// The shared instance
private static Activator plugin;
/**
* The constructor
*/
public Activator() {
}
/*
* (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 Activator getDefault() {
return plugin;
}
@Override
protected void initializeImageRegistry(ImageRegistry registry) {
Bundle bundle = Platform.getBundle(Activator.PLUGIN_ID);
for (final PluginImage pluginImage : PluginImage.values()) {
final IPath path = new Path(pluginImage.getImagePath());
final URL url = FileLocator.find(bundle, path, null);
final ImageDescriptor descriptor = ImageDescriptor.createFromURL(url);
registry.put(pluginImage.getImageKey(), descriptor);
}
}
/**
* Utility method to get an image from the plugin.
*/
public static final Image getImage(final PluginImage pluginImage) {
return plugin.getImageRegistry().get(pluginImage.getImageKey());
}
/**
* Utility method to get an image descriptor from the plugin.
*/
public static final ImageDescriptor getImageDescriptor(final PluginImage pluginImage) {
return ImageDescriptor.createFromImage(plugin.getImageRegistry().get(pluginImage.getImageKey()));
}
}