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/*****************************************************************************
* Copyright (c) 2009 Atos Origin.
*
*
* 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:
* Emilien Perico (Atos Origin) emilien.perico@atosorigin.com - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.sysml.diagram.parametric.parsers;
import java.text.FieldPosition;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EAttribute;
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.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.emf.commands.core.command.CompositeTransactionalCommand;
import org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser;
import org.eclipse.papyrus.sysml.constraints.ConstraintProperty;
import org.eclipse.papyrus.uml.tools.utils.ValueSpecificationUtil;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.InstanceValue;
import org.eclipse.uml2.uml.Property;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.ValueSpecification;
/**
* A specific parser for displaying a ConstraintProperty label. This parser refreshes the text
* displayed for the ConstraintProperty.
*/
public class ConstraintPropertyLabelParser extends MessageFormatParser implements ISemanticParser {
/** The String format for displaying a ConstraintProperty with no type */
private static final String UNTYPED_PARAMETER_FORMAT = "%s";
/** The String format for displaying a ConstraintProperty with its type */
private static final String TYPED_PARAMETER_FORMAT = "%s: %s";
/** The String format for displaying a ConstraintProperty with multiplicity */
private static final String MULTIPLICITY_PARAMETER_FORMAT = "%s [%s..%s]";
/** The String format for displaying a ConstraintProperty with default value */
private static final String DEFAULT_VALUE_PARAMETER_FORMAT = "%s= %s";
/** The String format for displaying a ConstraintProperty with attribute */
private static final String MODIFIER_PARAMETER_FORMAT = "%s{%s}";
public ConstraintPropertyLabelParser(EAttribute[] features, EAttribute[] editableFeatures) {
super(features, editableFeatures);
}
public ConstraintPropertyLabelParser(EAttribute[] features) {
super(features);
}
public ConstraintPropertyLabelParser() {
super(new EAttribute[]{ UMLPackage.eINSTANCE.getNamedElement_Name() });
}
protected EStructuralFeature getEStructuralFeature(Object notification) {
EStructuralFeature featureImpl = null;
if(notification instanceof Notification) {
Object feature = ((Notification)notification).getFeature();
if(feature instanceof EStructuralFeature) {
featureImpl = (EStructuralFeature)feature;
}
}
return featureImpl;
}
/**
* {@inheritDoc}
*/
public boolean isAffectingEvent(Object event, int flags) {
EStructuralFeature feature = getEStructuralFeature(event);
return isValidFeature(feature);
}
/**
* {@inheritDoc}
*/
public String getPrintString(IAdaptable element, int flags) {
String result = "";
Object obj = element.getAdapter(EObject.class);
Property property = null;
if(obj instanceof ConstraintProperty) {
property = ((ConstraintProperty)obj).getBase_Property();
}
if(property != null) {
String name = property.isDerived() ? "/ " + property.getName() : property.getName();
result = String.format(UNTYPED_PARAMETER_FORMAT, name);
// manage type
if(property.getType() != null) {
String type = property.getType().getName();
result = String.format(TYPED_PARAMETER_FORMAT, name, type);
}
// manage multiplicity
if(property.getLower() != 1 || property.getUpper() != 1) {
result = String.format(MULTIPLICITY_PARAMETER_FORMAT, result, ValueSpecificationUtil.getSpecificationValue(property.getLowerValue()), ValueSpecificationUtil.getSpecificationValue(property.getUpperValue()));
}
// manage initial values
if(property.getDefaultValue() != null) {
ValueSpecification valueSpecification = property.getDefaultValue();
if(valueSpecification instanceof InstanceValue && property.getType().equals(valueSpecification.getType())) {
result = String.format(DEFAULT_VALUE_PARAMETER_FORMAT, result, ValueSpecificationUtil.getSpecificationValue(valueSpecification));
}
}
// manage modifier
StringBuffer sb = new StringBuffer();
if(property.isReadOnly()) {
sb.append(sb.length() == 0 ? "readOnly" : ", readOnly");
}
if(property.isOrdered()) {
sb.append(sb.length() == 0 ? "ordered" : ", ordered");
}
if(property.isUnique()) {
sb.append(sb.length() == 0 ? "unique" : ", unique");
}
if(property.isDerivedUnion()) {
sb.append(sb.length() == 0 ? "union" : ", union");
}
EList<Property> redefinedProperties = property.getRedefinedProperties();
if(redefinedProperties != null && !redefinedProperties.isEmpty()) {
for(Property p : redefinedProperties) {
sb.append(sb.length() == 0 ? p.getName() : ", redefines " + p.getName());
}
}
if(sb.length() != 0) {
result = String.format(MODIFIER_PARAMETER_FORMAT, result, sb.toString());
}
}
return result;
}
/**
* {@inheritDoc}
*/
public boolean areSemanticElementsAffected(EObject listener, Object notification) {
EStructuralFeature feature = getEStructuralFeature(notification);
return isValidFeature(feature);
}
/**
* {@inheritDoc}
*/
public List<?> getSemanticElementsBeingParsed(EObject element) {
List<Element> semanticElementsBeingParsed = new ArrayList<Element>();
Property property = null;
if(element instanceof ConstraintProperty) {
property = ((ConstraintProperty)element).getBase_Property();
}
if(property != null) {
semanticElementsBeingParsed.add(property);
if(property.getType() != null) {
semanticElementsBeingParsed.add(property.getType());
}
if(property.getLowerValue() != null) {
semanticElementsBeingParsed.add(property.getLowerValue());
}
if(property.getUpperValue() != null) {
semanticElementsBeingParsed.add(property.getUpperValue());
}
if(property.getDefaultValue() != null) {
semanticElementsBeingParsed.add(property.getDefaultValue());
}
}
return semanticElementsBeingParsed;
}
/**
* Determines if the given feature has to be taken into account in this parser
*
* @param feature
* the feature to test
* @return true if is valid, false otherwise
*/
private boolean isValidFeature(EStructuralFeature feature) {
return UMLPackage.eINSTANCE.getNamedElement_Name().equals(feature) || UMLPackage.eINSTANCE.getTypedElement_Type().equals(feature) || UMLPackage.eINSTANCE.getInstanceValue_Instance().equals(feature) || UMLPackage.eINSTANCE.getMultiplicityElement_IsOrdered().equals(feature) || UMLPackage.eINSTANCE.getMultiplicityElement_IsUnique().equals(feature) || UMLPackage.eINSTANCE.getMultiplicityElement_LowerValue().equals(feature) || UMLPackage.eINSTANCE.getMultiplicityElement_UpperValue().equals(feature) || UMLPackage.eINSTANCE.getStructuralFeature_IsReadOnly().equals(feature) || UMLPackage.eINSTANCE.getFeature_IsStatic().equals(feature) || UMLPackage.eINSTANCE.getProperty_IsDerived().equals(feature) || UMLPackage.eINSTANCE.getProperty_IsDerivedUnion().equals(feature) || UMLPackage.eINSTANCE.getProperty_RedefinedProperty().equals(feature);
}
/**
* {@inheritDoc}
*/
@Override
public String getEditString(IAdaptable adapter, int flags) {
EObject element = (EObject)adapter.getAdapter(EObject.class);
if(element instanceof ConstraintProperty) {
element = ((ConstraintProperty)element).getBase_Property();
}
return getEditorProcessor().format(getEditableValues(element), new StringBuffer(), new FieldPosition(0)).toString();
}
/**
* {@inheritDoc}
*/
@Override
protected ICommand getParseCommand(IAdaptable adapter, Object[] values, int flags) {
if(values == null || validateNewValues(values).getCode() != IParserEditStatus.EDITABLE) {
return UnexecutableCommand.INSTANCE;
}
EObject element = (EObject)adapter.getAdapter(EObject.class);
if(element instanceof ConstraintProperty) {
element = ((ConstraintProperty)element).getBase_Property();
}
TransactionalEditingDomain editingDomain = TransactionUtil.getEditingDomain(element);
if(editingDomain == null) {
return UnexecutableCommand.INSTANCE;
}
CompositeTransactionalCommand command = new CompositeTransactionalCommand(editingDomain, "Set Values"); //$NON-NLS-1$
for(int i = 0; i < values.length; i++) {
command.compose(getModificationCommand(element, editableFeatures[i], values[i]));
}
return command;
}
}
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