| /******************************************************************************* |
| * Copyright (c) 2004, 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.ui.memory; |
| |
| import org.eclipse.core.runtime.ISafeRunnable; |
| import org.eclipse.core.runtime.ListenerList; |
| import org.eclipse.core.runtime.SafeRunner; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| |
| /** |
| * Common function for a dynamic memory rendering bindings provider. |
| * <p> |
| * Clients may subclass this class. |
| * </p> |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingBindingsProvider |
| * @since 3.1 |
| */ |
| public abstract class AbstractMemoryRenderingBindingsProvider implements IMemoryRenderingBindingsProvider { |
| |
| // list of binding listeners |
| private ListenerList fListeners; |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingBindingsProvider#addListener(org.eclipse.debug.ui.memory.IMemoryRenderingBindingsListener) |
| */ |
| public void addListener(IMemoryRenderingBindingsListener listener) { |
| if (fListeners == null) { |
| fListeners = new ListenerList(); |
| } |
| fListeners.add(listener); |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRenderingBindingsProvider#removeListener(org.eclipse.debug.ui.memory.IMemoryRenderingBindingsListener) |
| */ |
| public void removeListener(IMemoryRenderingBindingsListener listener) { |
| if (fListeners != null) { |
| fListeners.remove(listener); |
| } |
| } |
| |
| /** |
| * Notifies all registered listeners that bindings have changed. |
| */ |
| protected void fireBindingsChanged() { |
| if (fListeners == null) { |
| return; |
| } |
| |
| Object[] listeners = fListeners.getListeners(); |
| |
| for (int i=0; i<listeners.length; i++) { |
| if (listeners[i] instanceof IMemoryRenderingBindingsListener) { |
| final IMemoryRenderingBindingsListener listener = (IMemoryRenderingBindingsListener)listeners[i]; |
| ISafeRunnable runnable = new ISafeRunnable () { |
| public void handleException(Throwable exception) { |
| DebugUIPlugin.log(exception); |
| } |
| public void run() throws Exception { |
| listener.memoryRenderingBindingsChanged(); |
| }}; |
| SafeRunner.run(runnable); |
| } |
| } |
| } |
| } |