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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
*
* 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
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.timing.custom.parsers;
import java.util.ArrayList;
import java.util.List;
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.ecore.EStructuralFeature;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.emf.transaction.util.TransactionUtil;
import org.eclipse.gmf.runtime.common.core.command.CommandResult;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.common.core.command.UnexecutableCommand;
import org.eclipse.gmf.runtime.common.ui.services.parser.IParserEditStatus;
import org.eclipse.gmf.runtime.common.ui.services.parser.ParserEditStatus;
import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand;
import org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.papyrus.uml.diagram.timing.custom.Messages;
import org.eclipse.papyrus.uml.diagram.timing.custom.utils.EcoreUtils;
import org.eclipse.papyrus.uml.diagram.timing.custom.utils.LifelineUtils;
import org.eclipse.papyrus.uml.diagram.timing.custom.utils.StateDefinitionUtils;
import org.eclipse.papyrus.uml.diagram.timing.custom.utils.StateInvariantUtils;
import org.eclipse.uml2.uml.Constraint;
import org.eclipse.uml2.uml.Lifeline;
import org.eclipse.uml2.uml.StateInvariant;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.ValueSpecification;
/**
* Used to get and set the name of a StateInvariant when editing a StateInvariant's label (this gets and sets the body
* in the OpaqueExpression of the Constraint of the StateInvariant)
*/
public class CompactStateInvariantNameParser implements ISemanticParser {
public String getEditString(final IAdaptable adaptable, final int flags) {
final StateInvariant stateInvariant = getStateInvariant(adaptable);
final String name = StateInvariantUtils.getInnerStateInvariantName(stateInvariant);
if(name == null) {
return ""; //$NON-NLS-1$
}
return name;
}
public IParserEditStatus isValidEditString(final IAdaptable element, final String editString) {
return ParserEditStatus.EDITABLE_STATUS;
}
public ICommand getParseCommand(final IAdaptable adaptable, final String newString, final int flags) {
final StateInvariant stateInvariant = getStateInvariant(adaptable);
final TransactionalEditingDomain editingDomain = TransactionUtil.getEditingDomain(stateInvariant);
if(editingDomain == null) {
return UnexecutableCommand.INSTANCE;
}
return new AbstractTransactionalCommand(editingDomain, Messages.CompactStateInvariantNameParser_SetStateInvariantName, null) {
@Override
protected CommandResult doExecuteWithResult(final IProgressMonitor monitor, final IAdaptable info) throws ExecutionException {
// set the name on the Constraint and OpaqueExpression
StateInvariantUtils.setInnerStateInvariantName(stateInvariant, newString);
// set the name directly on the StateInvariant (note that this triggers a refresh of the label)
stateInvariant.setName(newString);
for(final Lifeline coveredLifeline : stateInvariant.getCovereds()) {
LifelineUtils.updateFragmentNames(coveredLifeline, null);
// XXX what if the StateInvariant appears both on a compact and on a full lifeline?
StateDefinitionUtils.updateStateDefinitionNamesForCompactLifeline(coveredLifeline);
}
return CommandResult.newOKCommandResult();
}
};
}
private static StateInvariant getStateInvariant(final IAdaptable adaptable) {
return (StateInvariant)adaptable.getAdapter(EObject.class);
}
public String getPrintString(final IAdaptable adaptable, final int flags) {
final StateInvariant stateInvariant = getStateInvariant(adaptable);
final String name = StateInvariantUtils.getInnerStateInvariantName(stateInvariant);
if(name == null || name.length() == 0) {
return Messages.CompactStateInvariantNameParser_Unnamed;
}
return name;
}
public boolean isAffectingEvent(final Object event, final int flags) {
return true;
}
public IContentAssistProcessor getCompletionProcessor(final IAdaptable element) {
return null;
}
public List<?> getSemanticElementsBeingParsed(final EObject element) {
final List<EObject> list = new ArrayList<EObject>();
if(element instanceof StateInvariant) {
final StateInvariant stateInvariant = (StateInvariant)element;
final Constraint invariant = stateInvariant.getInvariant();
if(invariant != null) {
final ValueSpecification specification = invariant.getSpecification();
if(specification != null) {
list.add(specification);
}
}
}
return list;
}
public boolean areSemanticElementsAffected(final EObject listener, final Object notification) {
final EStructuralFeature feature = EcoreUtils.getEStructuralFeature(notification);
return UMLPackage.eINSTANCE.getStateInvariant_Invariant().equals(feature) || UMLPackage.eINSTANCE.getConstraint_Specification().equals(feature) || UMLPackage.eINSTANCE.getOpaqueExpression_Body().equals(feature);
}
}
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