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/*****************************************************************************
* Copyright (c) 2011, 2016 LIFL, 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 v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* LIFL - Initial API and implementation
* Christian W. Damus - bugs 485220, 496299
*
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.common.model;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.osgi.util.NLS;
import org.eclipse.papyrus.infra.core.resource.BadArgumentExcetion;
import org.eclipse.papyrus.infra.core.resource.EMFLogicalModel;
import org.eclipse.papyrus.infra.core.resource.IEMFModel;
import org.eclipse.papyrus.infra.core.resource.IModel;
import org.eclipse.papyrus.infra.core.resource.NotFoundException;
import org.eclipse.papyrus.infra.viewpoints.policy.ViewPrototype;
/**
* @author cedric dumoulin
*
*/
public class NotationModel extends EMFLogicalModel implements IModel {
/**
* File extension used for notation.
*/
public static final String NOTATION_FILE_EXTENSION = "notation"; //$NON-NLS-1$
/**
* Model ID.
*/
public static final String MODEL_ID = "org.eclipse.papyrus.infra.core.resource.notation.NotationModel"; //$NON-NLS-1$
/**
*
* Constructor.
*
*/
public NotationModel() {
}
/**
* Get the file extension used for this model.
*
* @see org.eclipse.papyrus.infra.core.resource.AbstractBaseModel#getModelFileExtension()
*
* @return
*/
@Override
protected String getModelFileExtension() {
return NOTATION_FILE_EXTENSION;
}
/**
* Get the identifier used to register this model.
*
* @see org.eclipse.papyrus.infra.core.resource.AbstractBaseModel#getIdentifier()
*
* @return
*/
@Override
public String getIdentifier() {
return MODEL_ID;
}
/**
* Add a new initialized {@link Diagram} to the model.
*
* @param newDiagram
* The diagram to add.
*/
public void addDiagram(Diagram newDiagram) {
getResource().getContents().add(newDiagram);
}
// Prevent infinite loop from 2 models delegating to each other.
private boolean checkingControlState = false;
/**
* Notation resources are controlled if their base element is controlled
* In case the notation resource is empty, we should look at the associated resources and see if one of them is controlled.
*/
@Override
public boolean isControlled(Resource resource) {
if (checkingControlState) {
return false;
}
try {
checkingControlState = true;
for (Resource resourceInModelSet : modelSet.getResources()) {
if (resource.getURI().trimFileExtension().equals(resourceInModelSet.getURI().trimFileExtension()) && !isRelatedResource(resourceInModelSet)) {
if (!resourceInModelSet.getContents().isEmpty()) {
EObject eObject = resourceInModelSet.getContents().get(0);
IModel iModel = modelSet.getModelFor(eObject);
if (iModel instanceof IEMFModel) {
if (((IEMFModel) iModel).isControlled(resourceInModelSet)) {
return true;
}
}
}
}
}
} finally {
checkingControlState = false;
}
return false;
}
/**
* Get a diagram by its name.
*
* @param diagramName
* Name of the diagram. This is the name set by the user.
* @return
* @throws NotFoundException
* @throws BadArgumentExcetion
*/
public Diagram getDiagram(String diagramName) throws NotFoundException, BadArgumentExcetion {
if (diagramName == null || diagramName.length() == 0) {
throw new BadArgumentExcetion("Diagram name should not be null and size should be >0."); //$NON-NLS-1$
}
for (Resource current : getResources()) {
for (EObject element : current.getContents()) {
if (element instanceof Diagram) {
Diagram diagram = (Diagram) element;
if (diagramName.equals(diagram.getName())) {
// Found
return diagram;
}
}
}
}
// not found
throw new NotFoundException(NLS.bind("No Diagram named '{0}' can be found in Model.", diagramName)); //$NON-NLS-1$
}
/**
* An object is additionally a root element only if it has a corresponding
* viewpoint prototope.
*/
@Override
protected boolean isRootElement(EObject object) {
return super.isRootElement(object) && ViewPrototype.isViewObject(object);
}
@Override
protected boolean isSupportedRoot(EObject object) {
return ViewPrototype.isViewObject(object);
}
}
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