| /****************************************************************************** |
| * Copyright (c) 2007, 2008 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.actions.internal; |
| |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.commands.UnexecutableCommand; |
| import org.eclipse.gef.requests.GroupRequest; |
| import org.eclipse.gef.tools.ToolUtilities; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.ActionIds; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.DiagramAction; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.internal.l10n.DiagramUIActionsMessages; |
| import org.eclipse.gmf.runtime.diagram.ui.actions.internal.l10n.DiagramUIActionsPluginImages; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart; |
| import org.eclipse.gmf.runtime.notation.View; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.ui.IWorkbenchPage; |
| |
| /** |
| * An action to group shapes together. |
| * |
| * @author mmostafa, crevells |
| */ |
| public class GroupAction |
| extends DiagramAction { |
| |
| /** |
| * Creates a new instance. |
| * |
| * @param workbenchPage |
| */ |
| public GroupAction(IWorkbenchPage workbenchPage) { |
| super(workbenchPage); |
| setId(ActionIds.ACTION_GROUP); |
| setText(DiagramUIActionsMessages.GroupAction_Group_ActionLabelText); |
| setToolTipText(DiagramUIActionsMessages.GroupAction_Group_ActionToolTipText); |
| setImageDescriptor(DiagramUIActionsPluginImages.DESC_GROUP); |
| setDisabledImageDescriptor(DiagramUIActionsPluginImages.DESC_GROUP_DISABLED); |
| setHoverImageDescriptor(DiagramUIActionsPluginImages.DESC_GROUP); |
| } |
| |
| protected Request createTargetRequest() { |
| return new GroupRequest(getId()); |
| } |
| |
| protected void updateTargetRequest() { |
| GroupRequest request = (GroupRequest) getTargetRequest(); |
| request.setEditParts(getOperationSet()); |
| } |
| |
| protected Command getCommand() { |
| if (getOperationSet().size() > 1) { |
| EditPart parent = ((EditPart) getOperationSet().get(0)).getParent(); |
| return parent.getCommand(getTargetRequest()); |
| } |
| return UnexecutableCommand.INSTANCE; |
| } |
| |
| protected List createOperationSet() { |
| List selection = getSelectedObjects(); |
| if (selection.size() <= 1 |
| || !(selection.get(0) instanceof IGraphicalEditPart)) |
| return Collections.EMPTY_LIST; |
| |
| return ToolUtilities.getSelectionWithoutDependants(selection); |
| } |
| |
| protected boolean isSelectionListener() { |
| return true; |
| } |
| |
| protected void doRun(IProgressMonitor progressMonitor) { |
| |
| super.doRun(progressMonitor); |
| |
| // now select the new group |
| Object model = ((EditPart) ((GroupRequest) getTargetRequest()) |
| .getEditParts().get(0)).getModel(); |
| if (model instanceof View) { |
| Object groupView = ((View) model).eContainer(); |
| final Object groupEP = getDiagramGraphicalViewer().getEditPartRegistry() |
| .get(groupView); |
| if (groupEP != null) { |
| getDiagramGraphicalViewer().setSelection( |
| new StructuredSelection(groupEP)); |
| getDiagramGraphicalViewer().reveal((EditPart) groupEP); |
| } |
| } |
| } |
| |
| } |