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/*****************************************************************************
* Copyright (c) 2016, 2021 CEA LIST, Christian W. Damus, and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* CEA LIST - Initial API and implementation
* Christian W. Damus - bug 573987
*
*****************************************************************************/
package org.eclipse.papyrus.views.properties.toolsmiths.query;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.papyrus.emf.facet.efacet.core.IFacetManager;
import org.eclipse.papyrus.emf.facet.efacet.core.exception.DerivedTypedElementException;
import org.eclipse.papyrus.emf.facet.query.java.core.IJavaQuery2;
import org.eclipse.papyrus.emf.facet.query.java.core.IParameterValueList2;
import org.eclipse.papyrus.infra.constraints.ConstraintsPackage;
import org.eclipse.papyrus.infra.properties.contexts.Context;
import org.eclipse.papyrus.infra.properties.contexts.ContextsPackage;
import org.eclipse.papyrus.infra.properties.contexts.util.ContextsSwitch;
import org.eclipse.papyrus.infra.properties.ui.UiPackage;
/**
* @author Camille Letavernier
*
*/
public class GetVisibleFeaturesQuery implements IJavaQuery2<EObject, List<EReference>> {
static Set<EReference> allExcludedReferences = new HashSet<>();
static {
allExcludedReferences.add(ConstraintsPackage.Literals.DISPLAY_UNIT__CONSTRAINTS);
allExcludedReferences.add(EcorePackage.Literals.EMODEL_ELEMENT__EANNOTATIONS);
allExcludedReferences.add(ContextsPackage.Literals.CONTEXT__DEPENDENCIES);
allExcludedReferences.add(ContextsPackage.Literals.DATA_CONTEXT_ROOT__MODEL_ELEMENT_FACTORY);
allExcludedReferences.add(ContextsPackage.Literals.DATA_CONTEXT_ELEMENT__PACKAGE);
allExcludedReferences.add(ContextsPackage.Literals.DATA_CONTEXT_ELEMENT__SUPERTYPES);
allExcludedReferences.add(ContextsPackage.Literals.PROPERTY__CONTEXT_ELEMENT);
allExcludedReferences.add(ContextsPackage.Literals.ABSTRACT_SECTION__TAB);
allExcludedReferences.add(ContextsPackage.Literals.SECTION__OWNER);
allExcludedReferences.add(ContextsPackage.Literals.TAB__AFTER_TAB);
allExcludedReferences.add(ContextsPackage.Literals.TAB__SECTIONS);
allExcludedReferences.add(ContextsPackage.Literals.TAB__ALL_SECTIONS);
allExcludedReferences.add(ContextsPackage.Literals.VIEW__CONTEXT);
allExcludedReferences.add(ContextsPackage.Literals.VIEW__DATACONTEXTS);
allExcludedReferences.add(UiPackage.Literals.COMPOSITE_WIDGET__WIDGET_TYPE);
allExcludedReferences.add(UiPackage.Literals.UI_COMPONENT__ATTRIBUTES);
allExcludedReferences.add(UiPackage.Literals.LAYOUT__LAYOUT_TYPE);
allExcludedReferences.add(UiPackage.Literals.PROPERTY_EDITOR__PROPERTY);
allExcludedReferences.add(UiPackage.Literals.PROPERTY_EDITOR__WIDGET_TYPE);
allExcludedReferences.add(UiPackage.Literals.PROPERTY_EDITOR__UNRESOLVED_PROPERTY);
allExcludedReferences.add(UiPackage.Literals.STANDARD_WIDGET__WIDGET_TYPE);
}
/**
* @see org.eclipse.papyrus.emf.facet.query.java.core.IJavaQuery2#evaluate(org.eclipse.emf.ecore.EObject, org.eclipse.papyrus.emf.facet.query.java.core.IParameterValueList2, org.eclipse.papyrus.emf.facet.efacet.core.IFacetManager)
*
* @param source
* @param parameterValues
* @param facetManager
* @return
* @throws DerivedTypedElementException
*/
@Override
public List<EReference> evaluate(EObject source, IParameterValueList2 parameterValues, IFacetManager facetManager) throws DerivedTypedElementException {
if (source.eClass().getEPackage() == ContextsPackage.eINSTANCE) {
return new ContextsSwitch<List<EReference>>() {
@Override
public List<EReference> caseContext(Context object) {
return filter(object.eClass(), filterContextReferences(object));
}
@Override
public java.util.List<EReference> defaultCase(EObject object) {
return filter(object.eClass(), ref -> true);
};
}.doSwitch(source);
} else if (source.eClass().getEPackage() == UiPackage.eINSTANCE) {
return filter(source.eClass(), ref -> true);
}
return Collections.emptyList();
}
protected Predicate<EReference> filterContextReferences(Context object) {
return ref -> {
if (ref == ContextsPackage.Literals.CONTEXT__PROTOTYPE) { // Show the Prototype reference only if it is set
return object.getPrototype() != null;
}
return true;
};
}
private List<EReference> filter(EClass eClass, Predicate<EReference> filter) {
return eClass.getEAllReferences().stream()
.filter(ref -> !allExcludedReferences.contains(ref))
.filter(filter)
.collect(Collectors.toList());
}
}
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