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/*****************************************************************************
* Copyright (c) 2011 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
*
* Contributors:
*
* CEA LIST - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.common.parser;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EcorePackage;
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.notation.View;
import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
import org.eclipse.papyrus.gmf.diagram.common.parser.IMaskManagedSemanticParser;
import org.eclipse.papyrus.infra.gmfdiag.common.helper.MaskLabelHelper;
import org.eclipse.papyrus.sysml.diagram.common.preferences.ILabelPreferenceConstants;
import org.eclipse.papyrus.uml.tools.utils.ValueSpecificationUtil;
import org.eclipse.uml2.uml.MultiplicityElement;
import org.eclipse.uml2.uml.UMLPackage;
/**
* Semantic Parser for {@link MultiplicityElement}
*/
public class MultiplicityElementLabelParser implements IMaskManagedSemanticParser {
/** The String format for displaying a {@link Property} label with multiplicity */
protected static final String MULTIPLICITY_FORMAT = "[%s..%s]";
/** The String format for displaying a {@link Property} label with multiplicity */
protected static final String MULTIPLICITY_FORMAT_ALT = "[%s]";
/**
* {@inheritDoc}
*/
public String getEditString(IAdaptable element, int flags) {
return getPrintString(element, flags);
}
/**
* {@inheritDoc}
*/
public IParserEditStatus isValidEditString(IAdaptable element, String editString) {
return ParserEditStatus.UNEDITABLE_STATUS;
}
/**
* {@inheritDoc}
*/
public ICommand getParseCommand(IAdaptable element, String newString, int flags) {
return UnexecutableCommand.INSTANCE;
}
/**
* {@inheritDoc}
*/
public String getPrintString(IAdaptable element, int flags) {
Collection<String> maskValues = getMaskValues(element);
if(maskValues.isEmpty()) {
return MaskedLabel;
}
String result = "";
EObject eObject = (EObject)element.getAdapter(EObject.class);
if((eObject != null) && (eObject instanceof MultiplicityElement)) {
MultiplicityElement multElt = (MultiplicityElement)eObject;
// manage multiplicity
if((maskValues.contains(ILabelPreferenceConstants.DISP_MULTIPLICITY))) {
// If multiplicity is [1] (SysML default), only show when explicitly asked.
// TODO : add a case for default with multiplicity not set.
String lower = (multElt.getLowerValue() != null) ? ValueSpecificationUtil.getSpecificationValue(multElt.getLowerValue()) : "1";
String upper = (multElt.getLowerValue() != null) ? ValueSpecificationUtil.getSpecificationValue(multElt.getUpperValue()) : "1";
if(maskValues.contains(ILabelPreferenceConstants.DISP_DEFAULT_MULTIPLICITY) || !("1".equals(lower) && "1".equals(upper))) {
if(lower.equals(upper)) {
result = String.format(MULTIPLICITY_FORMAT_ALT, lower, upper);
} else {
result = String.format(MULTIPLICITY_FORMAT, lower, upper);
}
}
}
}
return result;
}
/**
* {@inheritDoc}
*/
public boolean isAffectingEvent(Object event, int flags) {
if(event instanceof Notification) {
Object feature = ((Notification)event).getFeature();
if(feature instanceof EStructuralFeature) {
return EcorePackage.eINSTANCE.getEAnnotation_Details().equals(feature) || UMLPackage.eINSTANCE.getMultiplicityElement_LowerValue().equals(feature) || UMLPackage.eINSTANCE.getMultiplicityElement_UpperValue().equals(feature);
}
}
return false;
}
/**
* {@inheritDoc}
*/
public IContentAssistProcessor getCompletionProcessor(IAdaptable element) {
return null;
}
/**
* {@inheritDoc}
*/
public List<EObject> getSemanticElementsBeingParsed(EObject element) {
List<EObject> semanticElementsBeingParsed = new ArrayList<EObject>();
if((element != null) && (element instanceof MultiplicityElement)) {
MultiplicityElement semElement = (MultiplicityElement)element;
semanticElementsBeingParsed.add(semElement);
if(semElement.getLowerValue() != null) {
semanticElementsBeingParsed.add(semElement.getLowerValue());
}
if(semElement.getUpperValue() != null) {
semanticElementsBeingParsed.add(semElement.getUpperValue());
}
}
return semanticElementsBeingParsed;
}
/**
* {@inheritDoc}
*/
public boolean areSemanticElementsAffected(EObject listener, Object notification) {
return true;
}
public Map<String, String> getMasks() {
Map<String, String> masks = new HashMap<String, String>();
masks.put(ILabelPreferenceConstants.DISP_MULTIPLICITY, "Multiplicity");
masks.put(ILabelPreferenceConstants.DISP_DEFAULT_MULTIPLICITY, "Show default multiplicity");
return masks;
}
protected Collection<String> getMaskValues(IAdaptable element) {
View view = (View)element.getAdapter(View.class);
if(view == null) {
return Collections.emptySet();
}
return MaskLabelHelper.getMaskValues(view);
}
}
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