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/*****************************************************************************
* Copyright (c) 2010 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:
* Remi Schnekenburger (CEA LIST) remi.schnekenburger@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.properties.runtime.modelhandler.emf;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.properties.runtime.Activator;
import org.eclipse.papyrus.properties.runtime.propertyeditor.descriptor.IBoundedValuesPropertyEditorDescriptor;
import org.eclipse.papyrus.properties.runtime.propertyeditor.descriptor.IPropertyEditorDescriptor;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Stereotype;
import org.eclipse.uml2.uml.StructuralFeature;
/**
* Model Handler for Boolean-typed stereotype properties
*/
public class BooleanStereotypeModelHandler extends EnumerationStereotypeModelHandler {
/**
* Creates a new BooleanStereotypeModelHandler.
*
* @param stereotypeName
* the name of the stereotype
* @param featureName
* the name of the feature
*/
public BooleanStereotypeModelHandler(String stereotypeName, String featureName) {
super(stereotypeName, featureName);
}
/** identifier for this model handler */
public static final String ID = "BooleanStereotype";
/**
* {@inheritDoc}
*/
@Override
public Object getValueToEdit(EObject objectToEdit) {
if(!(objectToEdit instanceof Element)) {
Activator.log.warn("the element selected is not a UML element: " + objectToEdit);
return null;
}
Element elementToEdit = (Element)objectToEdit;
Stereotype stereotype = retrieveStereotype(elementToEdit);
if(stereotype == null) {
Activator.log.warn("Impossible to find the stereotype " + getStereotypeName() + " for the given element" + elementToEdit);
return null;
}
Object value = elementToEdit.getValue(stereotype, getFeatureName());
// should perhaps take into account default values in case the feature is not set...
return (value instanceof Boolean) ? ((Boolean)value).toString() : value;
}
/**
* {@inheritDoc}
*/
@Override
public void setValueInModel(EObject objectToEdit, Object newValue) {
if(!(objectToEdit instanceof Element)) {
Activator.log.warn("the element selected is not a UML element: " + objectToEdit);
return;
}
Element elementToEdit = (Element)objectToEdit;
Stereotype stereotype = retrieveStereotype(elementToEdit);
if(stereotype == null) {
Activator.log.warn("Impossible to find the stereotype " + getStereotypeName() + " for the given element" + elementToEdit);
return;
}
// remove value if result of the editor is empty
if(newValue == null || newValue.equals("")) {
elementToEdit.setValue(stereotype, getFeatureName(), null);
} else if(newValue instanceof String) {
elementToEdit.setValue(stereotype, getFeatureName(), Boolean.parseBoolean((String)newValue));
} else if(newValue instanceof Boolean) {
elementToEdit.setValue(stereotype, getFeatureName(), (Boolean)newValue);
}
}
/**
* {@inheritDoc}
*/
@Override
public void completeEditorDescriptor(IPropertyEditorDescriptor descriptor, List<? extends EObject> objectToEdit) {
Element elementToEdit = retrieveElement(objectToEdit);
if(elementToEdit == null) {
return;
}
Stereotype stereotype = retrieveStereotype(elementToEdit);
if(stereotype == null) {
Activator.log.warn("Impossible to find stereotype: " + getStereotypeName() + " for element: " + elementToEdit);
return;
}
StructuralFeature featureToEdit = retrieveStructuralFeature(elementToEdit, stereotype);
// test enumeration, reference, etc.
List<String> values = new ArrayList<String>();
// check if there is an empty string at the beginning. there is one if the lower bound of the feature to edit equal 0
if(featureToEdit.getLower() == 0) {
values.add("");
}
values.add("true");
values.add("false");
if(descriptor instanceof IBoundedValuesPropertyEditorDescriptor) {
((IBoundedValuesPropertyEditorDescriptor)descriptor).setAvailableValues(values);
} else {
Activator.log.error("Warning: " + descriptor + "could not be completed.", null);
}
}
/**
* {@inheritDoc}
*/
public String getId() {
return ID;
}
}
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