| /******************************************************************************* |
| * Copyright (c) 2006, 2011 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.viewers.model; |
| |
| import org.eclipse.debug.internal.ui.viewers.model.ViewerStateTracker.IElementMementoCollector; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IElementMementoRequest; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.ITreeModelViewer; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.ModelDelta; |
| import org.eclipse.jface.viewers.TreePath; |
| import org.eclipse.ui.IMemento; |
| |
| /** |
| * Request for element memento. |
| * |
| * @since 3.3 |
| */ |
| class ElementMementoRequest extends MementoUpdate implements IElementMementoRequest { |
| |
| private IElementMementoCollector fManager; |
| private ModelDelta fDelta; |
| |
| /** |
| * @param provider the content provider to use for the update |
| * @param viewerInput the current input |
| * @param collector Collector to report the result to |
| * @param element the element to update |
| * @param elementPath the path of the element to update |
| * @param memento Memento to encode result into |
| * @param delta Delta to write the result comparison into. |
| */ |
| public ElementMementoRequest(TreeModelContentProvider provider, Object viewerInput, IElementMementoCollector collector, Object element, TreePath elementPath, IMemento memento, ModelDelta delta) { |
| super(provider, viewerInput, provider.getPresentationContext(), element, elementPath, memento); |
| fManager = collector; |
| fDelta = delta; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.runtime.IProgressMonitor#done() |
| */ |
| @Override |
| public void done() { |
| |
| ITreeModelViewer viewer = getContentProvider().getViewer(); |
| if (viewer == null) return; // disposed |
| if (viewer.getDisplay().getThread() == Thread.currentThread()) { |
| doComplete(); |
| } else { |
| viewer.getDisplay().asyncExec(new Runnable() { |
| @Override |
| public void run() { |
| doComplete(); |
| } |
| }); |
| } |
| |
| } |
| |
| private void doComplete() { |
| if (getContentProvider().isDisposed()) return; |
| |
| if (!isCanceled() && (getStatus() == null || getStatus().isOK())) { |
| // replace the element with a memento |
| fDelta.setElement(getMemento()); |
| } |
| fManager.requestComplete(ElementMementoRequest.this); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer buf = new StringBuffer(); |
| buf.append("IElementMementoRequest: "); //$NON-NLS-1$ |
| buf.append(getElement()); |
| return buf.toString(); |
| } |
| } |