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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:
* Atos Origin - Initial API and implementation
* Nicolas FAUVERGUE (ALL4TEC) nicolas.fauvergue@all4tec.net - Bug 496905
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.parser.custom;
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.ecore.EAttribute;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser;
import org.eclipse.papyrus.uml.diagram.activity.parsers.MessageFormatParser;
import org.eclipse.papyrus.uml.internationalization.utils.utils.UMLLabelInternationalization;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Parameter;
import org.eclipse.uml2.uml.UMLPackage;
/**
* A specific parser for displaying an Activity's Parameter. This parser
* refreshes the text displayed for the Parameter.
*/
public class ParameterParser extends MessageFormatParser implements ISemanticParser {
/** The String format for displaying a parameter with its type */
private static final String TYPED_PARAMETER_FORMAT = "%s: %s";
/** The String format for displaying a parameter with no type */
private static final String UNTYPED_PARAMETER_FORMAT = "%s";
public ParameterParser(EAttribute[] features, EAttribute[] editableFeatures) {
super(features, editableFeatures);
}
public ParameterParser(EAttribute[] features) {
super(features);
}
public ParameterParser() {
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;
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.papyrus.uml.diagram.sequence.parsers.AbstractParser#isAffectingEvent
* (java.lang.Object , int)
*/
@Override
public boolean isAffectingEvent(Object event, int flags) {
EStructuralFeature feature = getEStructuralFeature(event);
return isValidFeature(feature);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.papyrus.uml.diagram.sequence.parsers.MessageFormatParser#
* getPrintString(org.eclipse .core.runtime.IAdaptable, int)
*/
@Override
public String getPrintString(IAdaptable element, int flags) {
Object obj = element.getAdapter(EObject.class);
if (obj instanceof Parameter) {
Parameter parameter = (Parameter) obj;
String name = UMLLabelInternationalization.getInstance().getLabel(parameter);
if (name == null) {
name = " ";
}
if (parameter.getType() != null) {
String type = UMLLabelInternationalization.getInstance().getLabel(parameter.getType());
if (type == null) {
type = "";
}
return String.format(TYPED_PARAMETER_FORMAT, name, type);
} else {
return String.format(UNTYPED_PARAMETER_FORMAT, name);
}
}
return " ";
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser#
* areSemanticElementsAffected (org.eclipse.emf.ecore.EObject,
* java.lang.Object)
*/
@Override
public boolean areSemanticElementsAffected(EObject listener, Object notification) {
EStructuralFeature feature = getEStructuralFeature(notification);
return isValidFeature(feature);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.gmf.runtime.emf.ui.services.parser.ISemanticParser#
* getSemanticElementsBeingParsed (org.eclipse.emf.ecore.EObject)
*/
@Override
public List<?> getSemanticElementsBeingParsed(EObject element) {
List<Element> semanticElementsBeingParsed = new ArrayList<Element>();
if (element instanceof Parameter) {
Parameter parameter = (Parameter) element;
semanticElementsBeingParsed.add(parameter);
if (parameter.getType() != null) {
semanticElementsBeingParsed.add(parameter.getType());
}
}
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);
}
}
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