| /***************************************************************************** |
| * Copyright (c) 2019 CEA LIST, and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Initial API and implementation |
| * |
| *****************************************************************************/ |
| package org.eclipse.papyrus.gitlight.review.ui; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.resource.ImageRegistry; |
| import org.eclipse.papyrus.infra.core.log.LogHelper; |
| import org.eclipse.papyrus.infra.widgets.util.ImageDescriptorManager; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.osgi.framework.BundleContext; |
| |
| public class Activator extends AbstractUIPlugin { |
| |
| // The plug-in ID |
| public static final String PLUGIN_ID = "org.eclipse.papyrus.review.ui"; //$NON-NLS-1$ |
| |
| // The shared instance |
| private static Activator plugin; |
| |
| /** Logging helper. */ |
| private static LogHelper logHelper; |
| |
| public ImageDescriptorManager imageDescriptorManager; |
| |
| /** |
| * 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; |
| logHelper = new LogHelper(plugin); |
| } |
| |
| /* |
| * (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); |
| logHelper = null; |
| } |
| |
| /** |
| * Returns the image at the given path from this plugin |
| * |
| * @param path |
| * the path of the image to be displayed |
| * @return The Image at the given location, or null if it couldn't be found |
| */ |
| public Image getImage(String path) { |
| return getImage(PLUGIN_ID, path); |
| } |
| |
| /** |
| * Returns the image from the given image descriptor |
| * |
| * @param pluginId |
| * The plugin in which the image is located |
| * @param path |
| * The path to the image from the plugin |
| * @return The Image at the given location, or null if it couldn't be found |
| */ |
| 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; |
| } |
| |
| public Image getImage(ImageDescriptor descriptor) { |
| final ImageRegistry registry = getImageRegistry(); |
| if (imageDescriptorManager == null || registry == null) { |
| return null; // should never happen => is set to null when activator |
| // is not started |
| } |
| String key = imageDescriptorManager.getKey(descriptor); |
| Image image = registry.get(key); |
| if (image == null) { |
| registry.put(key, descriptor); |
| image = registry.get(key); |
| } |
| return image; |
| } |
| |
| /** |
| * Returns the image from the given image location |
| * |
| * @param pluginId |
| * The plugin in which the image is located |
| * @param path |
| * The path to the image from the plugin |
| * @return The Image Descriptor at the given location, or null if it |
| * couldn't be found |
| */ |
| public ImageDescriptor getImageDescriptor(String pluginId, String path) { |
| final ImageRegistry registry = getImageRegistry(); |
| String key = pluginId + "/" + path; //$NON-NLS-1$ |
| ImageDescriptor descriptor = registry.getDescriptor(key); |
| if (descriptor == null) { |
| registry.put(key, AbstractUIPlugin.imageDescriptorFromPlugin(pluginId, path)); |
| descriptor = registry.getDescriptor(key); |
| } |
| return descriptor; |
| } |
| |
| /** |
| * Returns the image descriptor at the given path from this plugin |
| * |
| * @param path |
| * the path of the image to be displayed |
| * @return The ImageDescriptor at the given location, or null if it couldn't |
| * be found |
| */ |
| public ImageDescriptor getImageDescriptor(String path) { |
| return getImageDescriptor(PLUGIN_ID, path); |
| } |
| |
| /** |
| * Returns the image from the given path |
| * |
| * @param imagePath |
| * The path of the image, in the form /<plug-in ID>/<path to the |
| * image> |
| * @return The Image at the given location, or null if none was found |
| */ |
| public Image getImageFromPlugin(String imagePath) { |
| if (imagePath.startsWith("/")) { //$NON-NLS-1$ |
| String pluginId, path; |
| imagePath = imagePath.substring(1, imagePath.length()); |
| pluginId = imagePath.substring(0, imagePath.indexOf("/")); //$NON-NLS-1$ |
| path = imagePath.substring(imagePath.indexOf("/"), imagePath.length()); //$NON-NLS-1$ |
| return getImage(pluginId, path); |
| } else { |
| return getImage(imagePath); |
| } |
| } |
| |
| /** |
| * Returns the shared instance |
| * |
| * @return the shared instance |
| */ |
| public static Activator getDefault() { |
| return plugin; |
| } |
| |
| /** |
| * Returns the log helper |
| * |
| * @return the log helper |
| */ |
| public static LogHelper getLogHelper() { |
| return logHelper; |
| } |
| |
| } |