| /****************************************************************************** |
| * Copyright (c) 2002, 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.core.commands; |
| |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.gmf.runtime.common.core.command.CommandResult; |
| import org.eclipse.gmf.runtime.common.core.util.StringStatics; |
| import org.eclipse.gmf.runtime.diagram.core.internal.DiagramPlugin; |
| import org.eclipse.gmf.runtime.diagram.core.internal.DiagramStatusCodes; |
| import org.eclipse.gmf.runtime.diagram.core.preferences.PreferencesHint; |
| import org.eclipse.gmf.runtime.diagram.core.services.ViewService; |
| import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand; |
| import org.eclipse.gmf.runtime.emf.core.util.EObjectAdapter; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| |
| /** |
| * Creates a diagram |
| * |
| * @author schafe |
| */ |
| public class CreateDiagramCommand |
| extends AbstractTransactionalCommand { |
| |
| private final String _diagramType; |
| |
| private EObject _semanticContext; |
| |
| private PreferencesHint _preferencesHint; |
| |
| /** |
| * creates a create diagram command. |
| * @param editingDomain |
| * the editing domain through which model changes are made |
| * @param label command label |
| * @param anElementContext semantic element to contain the diagram |
| * @param aDiagramKindType diagram type ID |
| * @param preferencesHint |
| * The preference hint that is to be used to find the appropriate |
| * preference store from which to retrieve diagram preference |
| * values. The preference hint is mapped to a preference store in |
| * the preference registry <@link DiagramPreferencesRegistry>. |
| */ |
| public CreateDiagramCommand(TransactionalEditingDomain editingDomain, String label, EObject anElementContext, |
| String aDiagramKindType, PreferencesHint preferencesHint) { |
| super(editingDomain, label, null); |
| assert null != anElementContext: "Null element context in CreateDiagramCommand";//$NON-NLS-1$ |
| _semanticContext = anElementContext; |
| _diagramType = aDiagramKindType; |
| _preferencesHint = preferencesHint; |
| } |
| |
| protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) |
| throws ExecutionException { |
| |
| // Create the new diagram element |
| //IElementCollection contents = getOwnedDiagramCollection(createOwningElement(progressMonitor)); |
| Diagram diagram = ViewService.getInstance().createDiagram( |
| new EObjectAdapter(getSemanticContext()), getDiagramType(), getPreferencesHint()); |
| int severity = IStatus.OK; |
| if (diagram==null) |
| severity = IStatus.ERROR; |
| return new CommandResult(new Status(severity, getPluginId(), |
| DiagramStatusCodes.OK, StringStatics.BLANK, null), diagram); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.gmf.runtime.common.core.command.AbstractCommand2#getPluginId() |
| */ |
| protected String getPluginId() { |
| return DiagramPlugin.getPluginId(); |
| } |
| |
| /** |
| * gives access to the diagram type. |
| * @return DiagramKind diagramType |
| */ |
| protected String getDiagramType() { |
| return _diagramType; |
| } |
| |
| /** |
| * gives access to the semantic context |
| * @return the semantic context |
| */ |
| protected EObject getSemanticContext() { |
| return _semanticContext; |
| |
| } |
| |
| /** |
| * Gets the preferences hint that is to be used to find the appropriate |
| * preference store from which to retrieve diagram preference values. The |
| * preference hint is mapped to a preference store in the preference |
| * registry <@link DiagramPreferencesRegistry>. |
| * |
| * @return the preferences hint |
| */ |
| protected PreferencesHint getPreferencesHint() { |
| return _preferencesHint; |
| |
| } |
| } |