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/*****************************************************************************
* Copyright (c) 2010, 2019 CEA LIST.
*
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Vincent Lorenzo (CEA LIST) vincent.lorenzo@cea.fr - Initial API and implementation
* Nicolas FAUVERGUE (CEA LIST) nicolas.fauvergue@cea.fr - Implement approveRequest
*
*****************************************************************************/
package org.eclipse.papyrus.uml.service.types.internal.ui.advice;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.emf.type.core.commands.CreateRelationshipCommand;
import org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateElementRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
import org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest;
import org.eclipse.jface.window.Window;
import org.eclipse.papyrus.uml.service.types.internal.ui.dialogs.CollaborationRoleTreeContentProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.uml2.uml.CollaborationUse;
import org.eclipse.uml2.uml.ConnectableElement;
import org.eclipse.uml2.uml.Dependency;
import org.eclipse.uml2.uml.NamedElement;
public class RoleBindingHelperAdvice extends AbstractEditHelperAdvice {
/**
* {@inheritDoc}
*
* @see org.eclipse.gmf.runtime.emf.type.core.edithelper.AbstractEditHelperAdvice#approveRequest(org.eclipse.gmf.runtime.emf.type.core.requests.IEditCommandRequest)
*/
@Override
public boolean approveRequest(final IEditCommandRequest request) {
if (request instanceof CreateRelationshipRequest) {
if (((CreateRelationshipRequest) request).getSource() instanceof CollaborationUse && null == ((CreateRelationshipRequest) request).getTarget()) {
return false;
}
}
return super.approveRequest(request);
}
@Override
protected ICommand getAfterCreateRelationshipCommand(CreateRelationshipRequest request) {
final EObject reqSource = request.getSource();
if (reqSource instanceof CollaborationUse) {
final CollaborationUse source = (CollaborationUse) reqSource;
final Dependency dependency = (Dependency) request.getNewElement();
final NamedElement target = (NamedElement) request.getTarget();
return new CreateRelationshipCommand(request) {
@Override
protected CommandResult doExecuteWithResult(IProgressMonitor progressMonitor, IAdaptable info) throws ExecutionException {
if (!canExecute()) {
throw new ExecutionException("Invalid arguments in create link command"); //$NON-NLS-1$
}
// Create and open the selection dialog
ComposedAdapterFactory adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
Shell currentShell = new Shell(Display.getCurrent(), SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(currentShell, new AdapterFactoryLabelProvider(adapterFactory), new CollaborationRoleTreeContentProvider());
try {
// Set dialog parameters
dialog.setTitle("Collaboration role binding"); //$NON-NLS-1$
dialog.setMessage("Select the role to bind:"); //$NON-NLS-1$
dialog.setAllowMultiple(false);
dialog.setHelpAvailable(false);
// The source CollaborationUse is set as input for the selection dialog,
// the CollaborationRoleTreeContentProvider provides the roles that can possibly be
// selected.
dialog.setInput(source);
dialog.open();
} finally {
adapterFactory.dispose();
}
// If a ConnectableElement has been selected, complete command execution
// using selection as the "newly created" element and make the edited
// Collaboration reference it in the CollaborationRoles eReference.
if (dialog.getReturnCode() == Window.OK) {
ConnectableElement roleToBind = (ConnectableElement) dialog.getFirstResult();
// Create a Dependency (the binding) between selected role and a ConnectableElement
// (the target)
dependency.setName("binding_" + roleToBind.getName() + "_" + target.getName()); //$NON-NLS-1$ //$NON-NLS-2$
source.getRoleBindings().add(dependency);
((CreateElementRequest) getRequest()).setNewElement(dependency);
return CommandResult.newOKCommandResult(dependency);
}
// No role selected: abort element creation
return CommandResult.newCancelledCommandResult();
}
};
}
return null;
}
}
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