| /******************************************************************************* |
| * Copyright (c) 2005, 2006 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.contexts; |
| |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.ListenerList; |
| import org.eclipse.debug.internal.ui.views.ViewContextManager; |
| import org.eclipse.debug.ui.contexts.IDebugContextListener; |
| import org.eclipse.debug.ui.contexts.IDebugContextManager; |
| import org.eclipse.debug.ui.contexts.IDebugContextService; |
| import org.eclipse.ui.IWindowListener; |
| import org.eclipse.ui.IWorkbenchWindow; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * @since 3.2 |
| */ |
| public class DebugContextManager implements IDebugContextManager { |
| |
| private static DebugContextManager fgDefault; |
| private Map fServices = new HashMap(); |
| private ListenerList fGlobalListeners = new ListenerList(); |
| |
| private class WindowListener implements IWindowListener { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IWindowListener#windowActivated(org.eclipse.ui.IWorkbenchWindow) |
| */ |
| public void windowActivated(IWorkbenchWindow window) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IWindowListener#windowDeactivated(org.eclipse.ui.IWorkbenchWindow) |
| */ |
| public void windowDeactivated(IWorkbenchWindow window) { |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IWindowListener#windowClosed(org.eclipse.ui.IWorkbenchWindow) |
| */ |
| public void windowClosed(IWorkbenchWindow window) { |
| DebugWindowContextService service = (DebugWindowContextService) fServices.remove(window); |
| if (service != null) { |
| service.dispose(); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.IWindowListener#windowOpened(org.eclipse.ui.IWorkbenchWindow) |
| */ |
| public void windowOpened(IWorkbenchWindow window) { |
| } |
| |
| } |
| |
| private DebugContextManager() { |
| PlatformUI.getWorkbench().addWindowListener(new WindowListener()); |
| } |
| |
| public static IDebugContextManager getDefault() { |
| if (fgDefault == null) { |
| fgDefault = new DebugContextManager(); |
| // create the model context bindigg manager at the same time |
| DebugModelContextBindingManager.getDefault(); |
| // create view manager |
| ViewContextManager.getDefault(); |
| } |
| return fgDefault; |
| } |
| |
| protected DebugWindowContextService createService(IWorkbenchWindow window) { |
| DebugWindowContextService service = (DebugWindowContextService) fServices.get(window); |
| if (service == null) { |
| service = new DebugWindowContextService(window); |
| fServices.put(window, service); |
| // register global listeners |
| Object[] listeners = fGlobalListeners.getListeners(); |
| for (int i = 0; i < listeners.length; i++) { |
| IDebugContextListener listener = (IDebugContextListener) listeners[i]; |
| service.addDebugContextListener(listener); |
| } |
| } |
| return service; |
| } |
| |
| protected IDebugContextService getService(IWorkbenchWindow window) { |
| return (DebugWindowContextService) fServices.get(window); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.contexts.IDebugContextManager#addDebugContextListener(org.eclipse.debug.internal.ui.contexts.IDebugContextListener) |
| */ |
| public void addDebugContextListener(IDebugContextListener listener) { |
| fGlobalListeners.add(listener); |
| DebugWindowContextService[] services = getServices(); |
| for (int i = 0; i < services.length; i++) { |
| DebugWindowContextService service = services[i]; |
| service.addDebugContextListener(listener); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.contexts.IDebugContextManager#removeDebugContextListener(org.eclipse.debug.internal.ui.contexts.IDebugContextListener) |
| */ |
| public void removeDebugContextListener(IDebugContextListener listener) { |
| fGlobalListeners.remove(listener); |
| DebugWindowContextService[] services = getServices(); |
| for (int i = 0; i < services.length; i++) { |
| DebugWindowContextService service = services[i]; |
| service.removeDebugContextListener(listener); |
| } |
| } |
| |
| /** |
| * Returns the existing context services. |
| * |
| * @return existing context services |
| */ |
| private DebugWindowContextService[] getServices() { |
| Collection sevices = fServices.values(); |
| return (DebugWindowContextService[]) sevices.toArray(new DebugWindowContextService[sevices.size()]); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.contexts.provisional.IDebugContextManager#getContextService(org.eclipse.ui.IWorkbenchWindow) |
| */ |
| public IDebugContextService getContextService(IWorkbenchWindow window) { |
| return createService(window); |
| } |
| |
| } |