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/*******************************************************************************
* Copyright (c) 2010 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) - initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.infra.emf.providers;
import java.util.ArrayList;
import java.util.Iterator;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.emf.facet.custom.ui.internal.CustomizedTreeContentProvider;
import org.eclipse.papyrus.infra.core.resource.AbstractBaseModel;
import org.eclipse.papyrus.infra.core.resource.IModel;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.infra.core.resource.ModelUtils;
import org.eclipse.papyrus.infra.core.sashwindows.di.service.IPageManager;
import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
import org.eclipse.papyrus.infra.emf.Activator;
/**
* the content provider that inherits of modisco properties
*
* @deprecated Use SemanticUMLContentProvider instead
*/
@Deprecated
public class MoDiscoContentProvider extends CustomizedTreeContentProvider {
/** The ModelSet containing all the models. This is the initial input. */
protected ModelSet modelSet;
/** The list of open pages (diagrams) */
protected IPageManager pageMngr;
/**
* Creates a new MoDiscoContentProvider.
*/
public MoDiscoContentProvider() {
super(Activator.getDefault().getCustomizationManager());
}
@Override
public boolean hasChildren(Object element) {
return getChildren(element).length > 0;
}
@Override
public Object[] getChildren(final Object parentElement) {
Object[] children = super.getChildren(parentElement);
if (children == null) {
return new Object[0];
}
return children;
}
/**
* Return the initial values from the input.
* Input should be of type {@link UmlModel}.
*
* @see org.eclipse.gmt.modisco.infra.browser.uicore.CustomizableModelContentProvider#getRootElements(java.lang.Object)
*
* @param inputElement
* @return
*/
@Override
protected EObject[] getRootElements(Object inputElement) {
try {
if (!(inputElement instanceof ServicesRegistry)) {
return null;
}
ServicesRegistry servicesRegistry = (ServicesRegistry) inputElement;
modelSet = ModelUtils.getModelSetChecked(servicesRegistry);
pageMngr = servicesRegistry.getService(IPageManager.class);
return getRootElements(modelSet);
} catch (Exception e) {
Activator.log.error(e);
}
return new EObject[0];
}
/**
* Get the roots elements from the {@link ModelSet} provided as input.
*
* @return
*/
protected EObject[] getRootElements(ModelSet modelSet) {
// FIXME: Refactoring. Workaround to remove the explicit dependency to UMLModel in uml.tools. We should not depend on UML at all.
IModel umlIModel = modelSet.getModel("org.eclipse.papyrus.infra.core.resource.uml.UmlModel");
AbstractBaseModel umlModel = null;
if (umlIModel instanceof AbstractBaseModel) {
umlModel = (AbstractBaseModel) umlIModel;
}
if (umlModel == null) {
return null;
}
EList<EObject> contents = umlModel.getResource().getContents();
ArrayList<EObject> result = new ArrayList<EObject>();
Iterator<EObject> iterator = contents.iterator();
while (iterator.hasNext()) {
EObject eObject = iterator.next();
result.add(eObject);
}
return result.toArray(new EObject[result.size()]);
}
}
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