| /******************************************************************************* |
| * Copyright (c) 2005 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.ui.internal.registry; |
| |
| import org.eclipse.core.runtime.IExtension; |
| import org.eclipse.core.runtime.dynamichelpers.ExtensionTracker; |
| import org.eclipse.core.runtime.dynamichelpers.IExtensionChangeHandler; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| |
| /** |
| * @since 3.1 |
| */ |
| public class UIExtensionTracker extends ExtensionTracker { |
| private Display display; |
| |
| // SOMETHING HAS NOT BEEN DONE IN THE REGISTTRY CHANGED CODE |
| // if (!PlatformUI.isWorkbenchRunning()) |
| // return; |
| // int numDeltas = 0; |
| // Display display = PlatformUI.getWorkbench().getDisplay(); |
| // if (display == null || display.isDisposed()) |
| // return; |
| // It seems that the tracker should be closed. |
| |
| /** |
| * @param display |
| */ |
| public UIExtensionTracker(Display display) { |
| this.display = display; |
| } |
| |
| protected void applyRemove(final IExtensionChangeHandler handler, final IExtension removedExtension, final Object[] objects) { |
| display.syncExec(new Runnable() { |
| |
| public void run() { |
| try { |
| handler.removeExtension(removedExtension, objects); |
| } catch (Exception e) { |
| WorkbenchPlugin.log(getClass(), "doRemove", e); //$NON-NLS-1$ |
| } |
| } |
| }); |
| } |
| |
| protected void applyAdd(final IExtensionChangeHandler handler, final IExtension addedExtension) { |
| display.syncExec(new Runnable() { |
| public void run() { |
| try { |
| handler.addExtension(UIExtensionTracker.this, addedExtension); |
| } catch (Exception e) { |
| WorkbenchPlugin.log(getClass(), "doAdd", e); //$NON-NLS-1$ |
| } |
| } |
| }); |
| } |
| } |