| 1 | package de.uka.ipd.sdq.pcm.dialogs.parameters; |
| 2 | |
| 3 | import org.eclipse.core.runtime.Assert; |
| 4 | import org.eclipse.emf.common.util.EList; |
| 5 | import org.eclipse.emf.transaction.RecordingCommand; |
| 6 | import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| 7 | import org.eclipse.emf.transaction.util.TransactionUtil; |
| 8 | import org.eclipse.swt.events.SelectionAdapter; |
| 9 | import org.eclipse.swt.events.SelectionEvent; |
| 10 | |
| 11 | import de.uka.ipd.sdq.pcm.repository.Parameter; |
| 12 | import de.uka.ipd.sdq.pcm.repository.RepositoryFactory; |
| 13 | import de.uka.ipd.sdq.pcm.repository.Signature; |
| 14 | |
| 15 | /** |
| 16 | * The class define an action, which a new parameter for the signature adds. |
| 17 | * |
| 18 | * @author Roman Andrej |
| 19 | */ |
| 20 | public class AddParameterAction extends SelectionAdapter{ |
| 21 | |
| 22 | /** Default name of a newly created parameter. Not guaranteed to be unique. */ |
| 23 | private static final String DEFAULT_PARAMETER_NAME = "parameter"; |
| 24 | |
| 25 | private Signature parentSignature = null; |
| 26 | private String parameterName = DEFAULT_PARAMETER_NAME; |
| 27 | |
| 28 | /** |
| 29 | * The transactional editing domain which is used to get the commands and |
| 30 | * alter the model |
| 31 | */ |
| 32 | private TransactionalEditingDomain editingDomain = null; |
| 33 | |
| 34 | public AddParameterAction(Signature parentSignature) { |
| 35 | this.parentSignature = parentSignature; |
| 36 | this.editingDomain = TransactionUtil.getEditingDomain(parentSignature); |
| 37 | } |
| 38 | |
| 39 | /* (non-Javadoc) |
| 40 | * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent) |
| 41 | */ |
| 42 | @Override |
| 43 | public void widgetSelected(SelectionEvent e) { |
| 44 | Assert.isNotNull(parentSignature); |
| 45 | |
| 46 | final EList<Parameter> parameters = ParametersUtil.getParametersOfSignature(parentSignature); |
| 47 | |
| 48 | RecordingCommand recCommand = new RecordingCommand(editingDomain) { |
| 49 | @Override |
| 50 | protected void doExecute() { |
| 51 | Parameter parameter = RepositoryFactory.eINSTANCE |
| 52 | .createParameter(); |
| 53 | parameter.setParameterName(parameterName + parameters.size()); |
| 54 | parameters.add(parameter); |
| 55 | } |
| 56 | }; |
| 57 | |
| 58 | recCommand.setDescription("Add new parameter to the signature"); |
| 59 | editingDomain.getCommandStack().execute(recCommand); |
| 60 | } |
| 61 | } |