| /****************************************************************************** |
| * 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.gmf.runtime.diagram.ui.internal.editpolicies; |
| |
| import java.util.Collections; |
| |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.editpolicies.AbstractEditPolicy; |
| import org.eclipse.gmf.runtime.diagram.core.commands.SetPropertyCommand; |
| import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.ListCompartmentEditPart; |
| import org.eclipse.gmf.runtime.diagram.ui.internal.properties.Properties; |
| import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages; |
| import org.eclipse.gmf.runtime.diagram.ui.requests.ChangeSortFilterRequest; |
| import org.eclipse.gmf.runtime.diagram.ui.requests.RequestConstants; |
| import org.eclipse.gmf.runtime.emf.commands.core.command.CompositeTransactionalCommand; |
| import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter; |
| import org.eclipse.gmf.runtime.notation.View; |
| |
| |
| /** |
| * EditPolicy which supports modifying sorting and filtering properties. |
| * |
| * @author jcorchis |
| * @canBeSeenBy org.eclipse.gmf.runtime.diagram.ui.* |
| */ |
| public class ModifySortFilterEditPolicy |
| extends AbstractEditPolicy { |
| |
| |
| /** |
| * Returns a command which sets all the sort/filter properties specified in the |
| * Request of type <code>RequestConstants.REQ_CHANGE_SORT_FILTER</code> |
| * |
| * @see org.eclipse.gef.editpolicies.AbstractEditPolicy#getCommand(org.eclipse.gef.Request) |
| */ |
| public Command getCommand(Request request) { |
| if (RequestConstants.REQ_CHANGE_SORT_FILTER.equals(request.getType())) { |
| ChangeSortFilterRequest req = (ChangeSortFilterRequest) request; |
| View view = (View)((ListCompartmentEditPart)getHost()).getModel(); |
| TransactionalEditingDomain editingDomain = ((IGraphicalEditPart) getHost()).getEditingDomain(); |
| CompositeTransactionalCommand command = new CompositeTransactionalCommand(editingDomain, DiagramUIMessages.Command_SortFilterCommand); |
| SetPropertyCommand filteringCommand = new SetPropertyCommand(editingDomain, new EObjectAdapter(view), Properties.ID_FILTERING, Properties.ID_FILTERING, req.getFiltering()); |
| SetPropertyCommand filterKeyCommand = new SetPropertyCommand(editingDomain, new EObjectAdapter(view), Properties.ID_FILTERING_KEYS, Properties.ID_FILTERING_KEYS, req.getFilterKeys()); |
| SetPropertyCommand filteredObjectsCommand = new SetPropertyCommand(editingDomain, new EObjectAdapter(view), Properties.ID_FILTERED_OBJECTS, Properties.ID_FILTERED_OBJECTS, req.getFilteredObjects()); |
| |
| command.compose(filteringCommand); |
| command.compose(filterKeyCommand); |
| command.compose(filteredObjectsCommand); |
| |
| SetPropertyCommand sortingCommand = new SetPropertyCommand(editingDomain, new EObjectAdapter(view), Properties.ID_SORTING, Properties.ID_SORTING, req.getSorting()); |
| SetPropertyCommand sortingKeysCommand = new SetPropertyCommand(editingDomain, new EObjectAdapter(view), Properties.ID_SORTING_KEYS, Properties.ID_SORTING_KEYS, req.getSortKeys() == null ? Collections.EMPTY_MAP : req.getSortKeys()); |
| SetPropertyCommand sortedObjectsCommand = new SetPropertyCommand(editingDomain, new EObjectAdapter(view), Properties.ID_SORTED_OBJECTS, Properties.ID_SORTED_OBJECTS, req.getSortedObjects()); |
| |
| command.compose(sortingCommand); |
| command.compose(sortingKeysCommand); |
| command.compose(sortedObjectsCommand); |
| |
| return new ICommandProxy(command.reduce()); |
| } |
| return super.getCommand(request); |
| } |
| |
| |
| /** |
| * Understands requests of type <code>RequestConstants.REQ_CHANGE_SORT_FILTER</code> |
| * @see org.eclipse.gef.editpolicies.AbstractEditPolicy#understandsRequest(org.eclipse.gef.Request) |
| */ |
| public boolean understandsRequest(Request req) { |
| if (RequestConstants.REQ_CHANGE_SORT_FILTER.equals(req.getType())) |
| return true; |
| return super.understandsRequest(req); |
| } |
| |
| } |