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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
* Vincent Lorenzo (CEA-LIST) vincent.lorenzo@cea.fr
*****************************************************************************/
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.emf.ecore.EStructuralFeature;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.gmf.runtime.emf.type.core.requests.SetRequest;
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;
/**
* Model Handler for enumeration
*/
public class BooleanEMFModelHandler extends EnumerationEMFModelHandler {
/** id of this model handler */
public static final String ID = "Boolean"; //$NON-NLS-1$
/**
* Creates a new BooleanEMFModelHandler.
*
* @param featureName
* the name of the feature to edit
*/
public BooleanEMFModelHandler(String featureName) {
super(featureName);
}
/**
* {@inheritDoc}
*/
@Override
public Object getValueToEdit(EObject objectToEdit) {
EStructuralFeature featureToEdit = getFeatureByName(objectToEdit);
if(featureToEdit == null) {
return null;
}
Object value = objectToEdit.eGet(featureToEdit);
// should perhaps take into account default values in case the feature is not set...
return (value instanceof Boolean) ? ((Boolean)value).toString() : value;
}
/**
* {@inheritDoc}
*/
@SuppressWarnings("unchecked")
@Override
public void setValueInModel(EObject objectToEdit, Object newValue) {
EStructuralFeature featureToEdit = getFeatureByName(objectToEdit);
if(featureToEdit == null) {
return;
}
// remove value if result of the editor is empty
if(newValue == null || newValue.equals("")) { //$NON-NLS-1$
objectToEdit.eUnset(featureToEdit);
} else if(newValue instanceof String) {
objectToEdit.eSet(featureToEdit, Boolean.parseBoolean((String)newValue));
} else if(newValue instanceof Boolean) {
objectToEdit.eSet(featureToEdit, newValue);
} else if(newValue instanceof List<?>) {
List<Object> newValues = new ArrayList<Object>();
for(Object value : (List<Object>)newValue) {
if(value instanceof String) {
newValues.add(Boolean.parseBoolean((String)value));
} else if(value instanceof Boolean) {
newValues.add(value);
}
}
objectToEdit.eSet(featureToEdit, newValues);
}
}
/**
* {@inheritDoc}
*/
@Override
public void completeEditorDescriptor(IPropertyEditorDescriptor descriptor, List<? extends EObject> objectToEdit) {
if(objectToEdit.size() < 1) {
return;
}
EStructuralFeature featureToEdit = getFeatureByName(objectToEdit.get(0));
if(featureToEdit == null) {
return;
}
// 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.getLowerBound() == 0) {
values.add(""); //$NON-NLS-1$
}
values.add("true"); //$NON-NLS-1$
values.add("false"); //$NON-NLS-1$
if(descriptor instanceof IBoundedValuesPropertyEditorDescriptor) {
((IBoundedValuesPropertyEditorDescriptor)descriptor).setAvailableValues(values);
} else {
Activator.log.debug("Warning: " + descriptor + "could not be completed."); //$NON-NLS-1$ //$NON-NLS-2$
}
}
/**
* {@inheritDoc}
*/
@Override
public String getId() {
return ID;
}
/**
*
* @param objectToEdit
* @param newValue
* @return
*/
@Override
public SetRequest[] getSetRequest(TransactionalEditingDomain domain, EObject objectToEdit, Object newValue) {
EStructuralFeature featureToEdit = getFeatureByName(objectToEdit);
if(featureToEdit == null) {
return null;
}
// remove value if result of the editor is empty
if(newValue == null || newValue.equals("")) { //$NON-NLS-1$
return new SetRequest[]{ new SetRequest(domain, objectToEdit, featureToEdit, featureToEdit.getDefaultValue()) };
} else if(newValue instanceof String) {
return new SetRequest[]{ new SetRequest(domain, objectToEdit, featureToEdit, Boolean.parseBoolean((String)newValue)) };
} else if(newValue instanceof Boolean) {
return new SetRequest[]{ new SetRequest(domain, objectToEdit, featureToEdit, newValue) };
} else if(newValue instanceof List<?>) {
List<Object> newValues = new ArrayList<Object>();
for(Object value : (List<?>)newValue) {
if(value instanceof String) {
newValues.add(Boolean.parseBoolean((String)value));
} else if(value instanceof Boolean) {
newValues.add(value);
}
}
return new SetRequest[]{ new SetRequest(domain, objectToEdit, featureToEdit, newValues) };
}
return null;
}
}
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