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/*******************************************************************************
* Copyright (c) 2017 THALES GLOBAL SERVICES.
* 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:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.diagram.ui.business.internal.migration;
import java.util.Collection;
import java.util.HashSet;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.gmf.runtime.diagram.core.util.ViewType;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.Shape;
import org.eclipse.gmf.runtime.notation.TextAlignment;
import org.eclipse.gmf.runtime.notation.TextStyle;
import org.eclipse.sirius.business.api.migration.AbstractRepresentationsFileMigrationParticipant;
import org.eclipse.sirius.business.api.query.DViewQuery;
import org.eclipse.sirius.diagram.DDiagram;
import org.eclipse.sirius.diagram.ui.business.api.query.DDiagramGraphicalQuery;
import org.eclipse.sirius.diagram.ui.business.api.query.ViewQuery;
import org.eclipse.sirius.diagram.ui.internal.view.factories.SiriusNoteViewFactory;
import org.eclipse.sirius.ext.base.Option;
import org.eclipse.sirius.viewpoint.DAnalysis;
import org.eclipse.sirius.viewpoint.DView;
import org.osgi.framework.Version;
import com.google.common.collect.Iterables;
/**
* Default label alignment of Note's shapes have been updated in GMF runtime 1.8.0 (see
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=432387). This migration participant restores the old default alignment
* value.
*
* @see org.eclipse.sirius.diagram.ui.internal.edit.parts.SiriusDescriptionCompartmentEditPart
* @see org.eclipse.sirius.diagram.ui.internal.providers.SiriusNoteViewProvider
* @see org.eclipse.sirius.diagram.ui.internal.view.factories.SiriusNoteViewFactory
*
* @author <a href="mailto:axel.richard@obeo.fr">Axel Richard</a>
*
*/
public class NoteShapeDefaultLabelAlignmentMigrationParticipant extends AbstractRepresentationsFileMigrationParticipant {
/**
* The Sirius version for which this migration is added.
*/
private static final Version MIGRATION_VERSION = new Version("12.0.0.201704070000"); //$NON-NLS-1$
@Override
public Version getMigrationVersion() {
return MIGRATION_VERSION;
}
@Override
protected void postLoad(DAnalysis dAnalysis, Version loadedVersion) {
if (loadedVersion.compareTo(MIGRATION_VERSION) < 0) {
for (Shape noteShape : getNoteShapes(dAnalysis)) {
EAnnotation specificStyles = noteShape.getEAnnotation(ViewQuery.SPECIFIC_STYLES);
if (specificStyles == null) {
specificStyles = SiriusNoteViewFactory.createDefaultVerticalAlignmentEAnnotation();
noteShape.getEAnnotations().add(specificStyles);
for (TextStyle textStyle : Iterables.filter(noteShape.getStyles(), TextStyle.class)) {
if (TextAlignment.LEFT_LITERAL == textStyle.getTextAlignment()) {
textStyle.setTextAlignment(TextAlignment.CENTER_LITERAL);
}
}
}
}
}
}
/**
* Get the {@link DDiagram}s contained in the given resource to migrate.
*
* @param dAnalysis
* The analysis of the resource to migrate.
* @return the {@link DDiagram}s contained in the given resource to migrate.
*/
private Collection<DDiagram> getDiagrams(DAnalysis dAnalysis) {
Collection<DDiagram> diagrams = new HashSet<>();
for (DView view : dAnalysis.getOwnedViews()) {
Iterables.addAll(diagrams, Iterables.filter(new DViewQuery(view).getLoadedRepresentations(), DDiagram.class));
}
return diagrams;
}
/**
* Get the {@link Shape}s with Note types contained in the given resource to migrate.
*
* @param dAnalysis
* The analysis of the resource to migrate.
* @return the {@link Shape}s with Note types contained in the given resource to migrate.
*/
private Collection<Shape> getNoteShapes(DAnalysis dAnalysis) {
Collection<Shape> shapes = new HashSet<>();
for (DDiagram dDiagram : getDiagrams(dAnalysis)) {
shapes.addAll(getNoteShapes(dDiagram));
}
return shapes;
}
/**
* Get the {@link Shape}s with Note types contained in the given {@link DDiagram}.
*
* @param dDiagram
* the given {@link DDiagram}.
* @return the {@link Shape}s with Note types contained in the given {@link DDiagram}.
*/
private Collection<Shape> getNoteShapes(DDiagram dDiagram) {
Collection<Shape> shapes = new HashSet<>();
DDiagramGraphicalQuery query = new DDiagramGraphicalQuery(dDiagram);
Option<Diagram> gmfDiagram = query.getAssociatedGMFDiagram();
if (gmfDiagram.some()) {
for (Shape shape : Iterables.filter(gmfDiagram.get().getChildren(), Shape.class)) {
if (ViewType.NOTE.equals(shape.getType())) {
shapes.add(shape);
}
}
}
return shapes;
}
}
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