| 1 | package de.uka.ipd.sdq.pcmbench.tabs.operations; |
| 2 | |
| 3 | import org.eclipse.core.runtime.Assert; |
| 4 | import org.eclipse.emf.transaction.RecordingCommand; |
| 5 | import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| 6 | import org.eclipse.emf.transaction.util.TransactionUtil; |
| 7 | import org.eclipse.swt.events.SelectionEvent; |
| 8 | import org.eclipse.swt.events.SelectionListener; |
| 9 | |
| 10 | import de.uka.ipd.sdq.pcm.repository.InfrastructureInterface; |
| 11 | import de.uka.ipd.sdq.pcm.repository.InfrastructureSignature; |
| 12 | import de.uka.ipd.sdq.pcmbench.tabs.generic.SelectionChangedListener; |
| 13 | |
| 14 | /**Removes selected signatures from an infrastructure interface. |
| 15 | * @author groenda |
| 16 | * |
| 17 | */ |
| 18 | public class InfrastructureSignatureDeleteActionListener extends SelectionChangedListener implements SelectionListener { |
| 19 | |
| 20 | /** |
| 21 | * The transactional editing domain which is used to get the commands and |
| 22 | * alter the model |
| 23 | */ |
| 24 | private TransactionalEditingDomain editingDomain = null; |
| 25 | |
| 26 | |
| 27 | /* (non-Javadoc) |
| 28 | * @see org.eclipse.swt.events.SelectionListener#widgetSelected(org.eclipse.swt.events.SelectionEvent) |
| 29 | */ |
| 30 | public void widgetSelected(SelectionEvent e) { |
| 31 | |
| 32 | final InfrastructureSignature selectedSignature = (InfrastructureSignature) getSelectedElement(); |
| 33 | Assert.isNotNull(selectedSignature); |
| 34 | final InfrastructureInterface selectedInterface = (InfrastructureInterface) selectedSignature |
| 35 | .getInfrastructureInterface__InfrastructureSignature(); |
| 36 | Assert.isNotNull(selectedInterface); |
| 37 | editingDomain = TransactionUtil.getEditingDomain(selectedSignature); |
| 38 | |
| 39 | RecordingCommand recCommand = new RecordingCommand(editingDomain) { |
| 40 | @Override |
| 41 | protected void doExecute() { |
| 42 | selectedInterface.getInfrastructureSignatures__InfrastructureInterface().remove( |
| 43 | selectedSignature); |
| 44 | } |
| 45 | }; |
| 46 | |
| 47 | recCommand.setDescription("Delete ..."); |
| 48 | editingDomain.getCommandStack().execute(recCommand); |
| 49 | } |
| 50 | |
| 51 | /* (non-Javadoc) |
| 52 | * @see org.eclipse.swt.events.SelectionListener#widgetDefaultSelected(org.eclipse.swt.events.SelectionEvent) |
| 53 | */ |
| 54 | public void widgetDefaultSelected(SelectionEvent e) { |
| 55 | // The implementation is not necessary. |
| 56 | } |
| 57 | } |