| /* |
| * Copyright (c) 2007-2013, 2019 Eike Stepper (Loehne, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| * Christian W. Damus (CEA LIST) - bug 418454 |
| */ |
| package org.eclipse.net4j.util.ui; |
| |
| import org.eclipse.net4j.internal.util.bundle.AbstractBundle; |
| import org.eclipse.net4j.util.om.OMBundle; |
| import org.eclipse.net4j.util.om.OSGiActivator; |
| import org.eclipse.net4j.util.om.OSGiActivator.StateHandler; |
| |
| import org.eclipse.jface.dialogs.DialogSettings; |
| import org.eclipse.jface.dialogs.IDialogSettings; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| |
| import org.osgi.framework.BundleContext; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class UIActivator extends AbstractUIPlugin |
| { |
| private OMBundle omBundle; |
| |
| /** |
| * @since 2.0 |
| */ |
| protected BundleContext bundleContext; |
| |
| public UIActivator(OMBundle omBundle) |
| { |
| this.omBundle = omBundle; |
| } |
| |
| public final OMBundle getOMBundle() |
| { |
| return omBundle; |
| } |
| |
| /** |
| * @since 3.1 |
| */ |
| public ImageDescriptor loadImageDescriptor(String path) |
| { |
| return imageDescriptorFromPlugin(omBundle.getBundleID(), path); |
| } |
| |
| /** |
| * @since 3.4 |
| */ |
| public IDialogSettings getDialogSettings(Class<?> clazz) |
| { |
| return getDialogSettings(clazz.getName()); |
| } |
| |
| /** |
| * @since 3.4 |
| */ |
| public IDialogSettings getDialogSettings(String section) |
| { |
| return DialogSettings.getOrCreateSection(getDialogSettings(), section); |
| } |
| |
| @Override |
| public final void start(BundleContext context) throws Exception |
| { |
| bundleContext = context; |
| OSGiActivator.traceStart(context); |
| if (omBundle == null) |
| { |
| throw new IllegalStateException("bundle == null"); //$NON-NLS-1$ |
| } |
| |
| try |
| { |
| super.start(context); |
| setBundleContext(context); |
| ((AbstractBundle)omBundle).start(); |
| doStart(); |
| } |
| catch (Error error) |
| { |
| omBundle.logger().error(error); |
| throw error; |
| } |
| catch (Exception ex) |
| { |
| omBundle.logger().error(ex); |
| throw ex; |
| } |
| } |
| |
| @Override |
| public final void stop(BundleContext context) throws Exception |
| { |
| OSGiActivator.traceStop(context); |
| if (omBundle == null) |
| { |
| throw new IllegalStateException("bundle == null"); //$NON-NLS-1$ |
| } |
| |
| try |
| { |
| doStop(); |
| ((AbstractBundle)omBundle).stop(); |
| setBundleContext(null); |
| super.stop(context); |
| } |
| catch (Error error) |
| { |
| omBundle.logger().error(error); |
| throw error; |
| } |
| catch (Exception ex) |
| { |
| omBundle.logger().error(ex); |
| throw ex; |
| } |
| } |
| |
| /** |
| * @since 2.0 |
| */ |
| protected void doStart() throws Exception |
| { |
| } |
| |
| /** |
| * @since 2.0 |
| */ |
| protected void doStop() throws Exception |
| { |
| } |
| |
| @SuppressWarnings("deprecation") |
| private void setBundleContext(BundleContext context) |
| { |
| omBundle.setBundleContext(context); |
| } |
| |
| /** |
| * @author Eike Stepper |
| * @since 3.1 |
| */ |
| public static abstract class WithState extends UIActivator |
| { |
| private StateHandler handler = new StateHandler(getOMBundle()) |
| { |
| @Override |
| protected void startWithState(Object state) throws Exception |
| { |
| doStartWithState(state); |
| } |
| |
| @Override |
| protected Object stopWithState() throws Exception |
| { |
| return doStopWithState(); |
| } |
| }; |
| |
| public WithState(OMBundle bundle) |
| { |
| super(bundle); |
| } |
| |
| @Override |
| protected final void doStart() throws Exception |
| { |
| handler.start(); |
| } |
| |
| @Override |
| protected final void doStop() throws Exception |
| { |
| handler.stop(); |
| } |
| |
| protected abstract void doStartWithState(Object state) throws Exception; |
| |
| protected abstract Object doStopWithState() throws Exception; |
| } |
| } |