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/*******************************************************************************
* Copyright (c) 2016, 2020 Chalmers | University of Gothenburg, rt-labs and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v20.html
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Chalmers | University of Gothenburg and rt-labs - initial API and implementation and/or initial documentation
* Chalmers | University of Gothenburg - additional features, updated API
*******************************************************************************/
package org.eclipse.capra.ui.adapters;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import org.eclipse.capra.core.adapters.Connection;
import org.eclipse.capra.core.adapters.TracePersistenceAdapter;
import org.eclipse.capra.core.helpers.ArtifactHelper;
import org.eclipse.capra.core.helpers.EditingDomainHelper;
import org.eclipse.capra.core.helpers.ExtensionPointHelper;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.ui.views.properties.IPropertyDescriptor;
import org.eclipse.ui.views.properties.IPropertySource;
import org.eclipse.ui.views.properties.PropertyDescriptor;
import org.eclipse.ui.views.properties.TextPropertyDescriptor;
/**
* An {@link IPropertySource} for trace links. It provides access to all
* properties of the underlying {@link Connection}, i.e., all properties that
* are defined in the traceability information model.
*
* @author Jan-Philipp Steghöfer
*
*/
public class ConnectionAdapter implements IPropertySource {
private enum DescriptorIDs {
ORIGIN, TARGETS, TYPE
}
private static final String CATEGORY_NAME = "General";
private final Connection connection;
private final ArtifactHelper artifactHelper;
/**
* Create a new instance based on the provided {@link Connection}.
*
* @param theItem the connection this adapter represents
*/
public ConnectionAdapter(Connection theItem) {
this.connection = theItem;
TracePersistenceAdapter persistenceAdapter = ExtensionPointHelper.getTracePersistenceAdapter().orElseThrow();
EObject artifactModel = persistenceAdapter.getArtifactWrappers(EditingDomainHelper.getResourceSet());
artifactHelper = new ArtifactHelper(artifactModel);
}
@Override
public Object getEditableValue() {
return this;
}
@Override
public IPropertyDescriptor[] getPropertyDescriptors() {
List<IPropertyDescriptor> propertyDescriptors = new ArrayList<>();
// Add generic properties of a connection to their own category.
PropertyDescriptor originDescriptor = new PropertyDescriptor(DescriptorIDs.ORIGIN, "Origin");
originDescriptor.setCategory(CATEGORY_NAME);
propertyDescriptors.add(originDescriptor);
PropertyDescriptor targetDescriptor = new PropertyDescriptor(DescriptorIDs.TARGETS, "Targets");
targetDescriptor.setCategory(CATEGORY_NAME);
propertyDescriptors.add(targetDescriptor);
PropertyDescriptor typeDescriptor = new PropertyDescriptor(DescriptorIDs.TYPE, "Type");
typeDescriptor.setCategory(CATEGORY_NAME);
propertyDescriptors.add(typeDescriptor);
// All other properties of the underlying class are added without category.
propertyDescriptors.addAll(connection.getTlink().eClass().getEAllAttributes().stream()
.map(attribute -> new TextPropertyDescriptor(attribute.getName(), attribute.getName()))
.collect(Collectors.toList()));
IPropertyDescriptor[] dummyList = new IPropertyDescriptor[propertyDescriptors.size()];
return propertyDescriptors.toArray(dummyList);
}
@Override
public Object getPropertyValue(Object id) {
if (id.equals(DescriptorIDs.ORIGIN)) {
return connection.getOrigins().stream().map(o -> artifactHelper.getArtifactLabel(o))
.collect(Collectors.toList());
} else if (id.equals(DescriptorIDs.TARGETS)) {
return connection.getTargets().stream().map(artifactHelper::getArtifactLabel).collect(Collectors.toList());
} else if (id.equals(DescriptorIDs.TYPE)) {
return connection.getTlink().eClass().getName();
} else {
EStructuralFeature a = connection.getTlink().eClass().getEStructuralFeature((String) id);
return connection.getTlink().eGet(a);
}
}
@Override
public boolean isPropertySet(Object id) {
return false;
}
@Override
public void resetPropertyValue(Object id) {
// Deliberately do nothing
}
@Override
public void setPropertyValue(Object id, Object value) {
EStructuralFeature feature = connection.getTlink().eClass().getEStructuralFeature((String) id);
connection.getTlink().eSet(feature, value);
}
/**
* Provides the connection represented by this adapter.
*
* @return the connection
*/
public Connection getConnection() {
return this.connection;
}
}
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