| /******************************************************************************* |
| * Copyright (c) 2000, 2007 IBM Corporation 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: |
| * Atsuhiko Yamanaka, JCraft,Inc. - initial API and implementation. |
| * IBM Corporation - ongoing maintenance |
| *******************************************************************************/ |
| package org.eclipse.jsch.internal.ui; |
| |
| import java.net.URL; |
| import java.util.Hashtable; |
| |
| import org.eclipse.core.runtime.*; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jsch.core.IJSchService; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| public class JSchUIPlugin extends AbstractUIPlugin{ |
| public static final String ID="org.eclipse.jsch.ui"; //$NON-NLS-1$ |
| public static final String DECORATOR_ID="org.eclipse.jsch.ui.decorator"; //$NON-NLS-1$ |
| |
| private static Hashtable imageDescriptors=new Hashtable(20); |
| /** |
| * The singleton plug-in instance |
| */ |
| private static JSchUIPlugin plugin; |
| private ServiceTracker tracker; |
| |
| public JSchUIPlugin(){ |
| super(); |
| plugin=this; |
| } |
| |
| /** |
| * Returns the singleton plug-in instance. |
| * |
| * @return the plugin instance |
| */ |
| public static JSchUIPlugin getPlugin(){ |
| return plugin; |
| } |
| |
| /** |
| * Returns the image descriptor for the given image ID. |
| * Returns null if there is no such image. |
| * @param id the id of the image descriptor |
| * @return the image descriptor |
| */ |
| public static ImageDescriptor getImageDescriptor(String id){ |
| return (ImageDescriptor)imageDescriptors.get(id); |
| } |
| |
| /** |
| * Creates an image and places it in the image registry. |
| */ |
| protected void createImageDescriptor(String id){ |
| URL url=FileLocator.find(JSchUIPlugin.getPlugin().getBundle(), new Path( |
| IUIConstants.ICON_PATH+id), null); |
| ImageDescriptor desc=ImageDescriptor.createFromURL(url); |
| imageDescriptors.put(id, desc); |
| } |
| |
| /** |
| * Convenience method to get an image descriptor for an extension |
| * |
| * @param extension the extension declaring the image |
| * @param subdirectoryAndFilename the path to the image |
| * @return the image |
| */ |
| public static ImageDescriptor getImageDescriptorFromExtension(IExtension extension, String subdirectoryAndFilename) { |
| URL fullPathString = FileLocator.find(Platform.getBundle(extension.getNamespaceIdentifier()), new Path(subdirectoryAndFilename), null); |
| return ImageDescriptor.createFromURL(fullPathString); |
| } |
| |
| /** |
| * Initializes the table of images used in this plugin. |
| */ |
| private void initializeImages() { |
| createImageDescriptor(IUIConstants.IMG_KEY_LOCK); |
| } |
| |
| /** |
| * @see Plugin#start(BundleContext) |
| */ |
| public void start(BundleContext context) throws Exception { |
| super.start(context); |
| |
| initializeImages(); |
| |
| IPreferenceStore store = getPreferenceStore(); |
| if (store.getBoolean(IUIConstants.PREF_FIRST_STARTUP)) { |
| store.setValue(IUIConstants.PREF_FIRST_STARTUP, false); |
| } |
| |
| tracker = new ServiceTracker(getBundle().getBundleContext(),IJSchService.class.getName(), null); |
| tracker.open(); |
| } |
| |
| public void stop(BundleContext context) throws Exception{ |
| super.stop(context); |
| tracker.close(); |
| } |
| |
| public IJSchService getJSchService() { |
| return (IJSchService)tracker.getService(); |
| } |
| |
| public URL getImageUrl(String relative){ |
| return FileLocator.find(Platform.getBundle(ID), new Path(IUIConstants.ICON_PATH + relative), null); |
| } |
| } |