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/*******************************************************************************
* Copyright (c) 2012 Mia-Software.
* 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:
* Nicolas Bros (Mia-Software) - Bug 370442 - rewrite the Facet loading dialog for v0.2
* Nicolas Bros (Mia-Software) - Bug 371367 - Hierarchical FacetSets
* Nicolas Bros (Mia-Software) - Bug 372626 - Aggregates
* Nicolas Bros (Mia-Software) - Bug 372865 - FacetSet selection dialog
* Gregoire Dupe (Mia-Software) - Bug 373078 - API Cleaning
*******************************************************************************/
package org.eclipse.papyrus.emf.facet.efacet.ui.internal.dialogs;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.papyrus.emf.facet.efacet.core.FacetUtils;
import org.eclipse.papyrus.emf.facet.efacet.metamodel.v0_2_0.efacet.Facet;
import org.eclipse.papyrus.emf.facet.efacet.metamodel.v0_2_0.efacet.FacetSet;
public class FacetSetTreeContentProvider implements ITreeContentProvider {
private final boolean bFacets;
private final boolean bContainedFS;
private final boolean bSubpackages;
public FacetSetTreeContentProvider(final boolean facets, final boolean containedFSs, final boolean subpackages) {
this.bFacets = facets;
this.bContainedFS = containedFSs;
this.bSubpackages = subpackages;
}
public FacetSetTreeContentProvider() {
this(true, true, true);
}
public Object[] getElements(final Object inputElement) {
if (inputElement == null) {
throw new IllegalArgumentException("inputElement must not be null"); //$NON-NLS-1$
}
if (!(inputElement instanceof Object[])) {
throw new IllegalArgumentException("inputElement must be an array"); //$NON-NLS-1$
}
return (Object[]) inputElement;
}
public void inputChanged(final Viewer viewer, final Object oldInput, final Object newInput) {
// Nothing to do
}
public Object[] getChildren(final Object parentElement) {
final List<Object> children = new ArrayList<Object>();
if (parentElement instanceof FacetSet) {
final FacetSet facetSet = (FacetSet) parentElement;
if (this.bContainedFS) {
children.addAll(facetSet.getFacetSets());
}
if (this.bFacets) {
children.addAll(FacetUtils.getFacets(facetSet));
}
if (this.bSubpackages) {
children.addAll(facetSet.getESubpackages());
}
}
return children.toArray();
}
public Object getParent(final Object element) {
Object parent = null;
if (element instanceof Facet) {
final Facet facet = (Facet) element;
parent = FacetUtils.getFacetSet(facet);
} else if (element instanceof EPackage) {
final EPackage ePackage = (EPackage) element;
parent = ePackage.getESuperPackage();
}
return parent;
}
public boolean hasChildren(final Object element) {
return getChildren(element).length > 0;
}
public void dispose() {
// Nothing to do
}
}
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