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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 - bug 434983
* Christian W. Damus - bug 469188
* Christian W. Damus - bug 485220
*
*****************************************************************************/
package org.eclipse.papyrus.infra.core.resource.sasheditor;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.papyrus.infra.core.architecture.ArchitectureDescriptionPreferences;
import org.eclipse.papyrus.infra.core.architecture.ArchitectureFactory;
import org.eclipse.papyrus.infra.core.architecture.ArchitecturePackage;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.infra.core.resource.ModelUtils;
import org.eclipse.papyrus.infra.core.sashwindows.di.DiPackage;
import org.eclipse.papyrus.infra.core.sashwindows.di.SashWindowsMngr;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.core.services.ServicesRegistry;
import org.eclipse.papyrus.infra.core.utils.ServiceUtils;
/**
* Set of utility methods linked to Trace for ControlMode
*
* @author cedric dumoulin
*
*/
public class SashModelUtils {
/**
* Gets the SashModel for the currently selected editor. <br>
* Warning: This method is designed to be call from ui.handlers. It is not
* designed to be call from Editors. This method can return null if called
* during the MultiEditor initialization.
*
* @see ServiceUtilsForActionHandlers.getInstance().getModelSet()
*
* @return The {@link SashModel} of the current editor, or null if not
* found.
* @deprecated Use {@link #getSashModel(ModelSet)} or {@link #getSashModel(ServicesRegistry)} instead
*/
@Deprecated
public static SashModel getSashModel() {
try {
return (SashModel) ServiceUtils.getInstance().getModelSet(null).getModel(SashModel.MODEL_ID);
} catch (ServiceException e) {
return null;
}
}
/**
* Gets the SashModel for the currently selected editor. <br>
* Warning: This method is designed to be call from ui.handlers. It is not
* designed to be call from Editors. This method can return null if called
* during the MultiEditor initialization.
*
* @see ServiceUtilsForActionHandlers.getInstance().getModelSet()
*
* @return The {@link SashModel} of the current editor, or null if not
* found.
* @throws ServiceException
* If an error occurs while getting or starting the service.
* @deprecated Use {@link #getSashModelChecked(ServicesRegistry)} instead
*/
@Deprecated
public static SashModel getSashModelChecked() throws ServiceException {
return (SashModel) ServiceUtils.getInstance().getModelSet(null).getModel(SashModel.MODEL_ID);
}
/**
* Gets the SashModel from the {@link ModelSet}. <br>
*
* @param modelsManager
* The modelManager containing the requested model.
*
* @return The {@link SashModel} registered in modelManager, or null if not
* found.
*/
public static SashModel getSashModel(ModelSet modelsManager) {
return (SashModel) modelsManager.getModel(SashModel.MODEL_ID);
}
/**
* Gets the SashModel from the {@link ModelSet}. <br>
*
* @param ServicesRegistry
* The servie registry under which the ModelSet is registered.
*
* @return The {@link SashModel} registered in modelManager, or null if not
* found.
*/
public static SashModel getSashModel(ServicesRegistry servicesRegistry) {
try {
return (SashModel) ModelUtils.getModelSetChecked(servicesRegistry).getModel(SashModel.MODEL_ID);
} catch (ServiceException e) {
return null;
}
}
/**
* Gets the SashModel from the {@link ModelSet}. <br>
*
* @param ServicesRegistry
* The servie registry under which the ModelSet is registered.
*
* @return The {@link SashModel} registered in modelManager, or null if not
* found.
* @throws ServiceException
* If the service can't be returned.
*/
public static SashModel getSashModelChecked(ServicesRegistry servicesRegistry) throws ServiceException {
return (SashModel) ModelUtils.getModelSetChecked(servicesRegistry).getModel(SashModel.MODEL_ID);
}
/**
* Retrieve the uri of the initial di opened
*
* @param modelSet
* @return
*/
public static URI getInitialURI(ModelSet modelSet) {
return SashModelUtils.getSashModel(modelSet).getResourceURI();
}
/**
* Returns the Sash Resource (.di or *.sash) associated to the model set. May be null.
*
* @param modelSet
* @return
*/
public static Resource getSashResource(ModelSet modelSet) {
SashModel model = getSashModel(modelSet);
if (model != null) {
return model.getResource();
}
return null;
}
/**
* @since 2.0
*/
public static SashWindowsMngr getSashWindowsMngr(ModelSet modelSet) {
SashWindowsMngr result = null;
Resource resource = getSashResource(modelSet);
if (resource != null) {
result = (SashWindowsMngr) EcoreUtil.getObjectByType(resource.getContents(), DiPackage.Literals.SASH_WINDOWS_MNGR);
}
return result;
}
/**
* Gets an architecture description preferences element if available in the given model set
*
* @param modelSet
* the given model set
* @return an architecture description preferences (can be null)
* @since 3.0
*/
public static ArchitectureDescriptionPreferences getArchitectureDescriptionPreferences(ModelSet modelSet) {
Resource resource = getSashResource(modelSet);
if (resource != null) {
return (ArchitectureDescriptionPreferences) EcoreUtil.getObjectByType(
resource.getContents(), ArchitecturePackage.Literals.ARCHITECTURE_DESCRIPTION_PREFERENCES);
}
return null;
}
/**
* Gets an architecture description preferences element if available in the given model set
*
* @param modelSet
* the given model set
* @return an architecture description preferences (can be null)
* @since 3.0
*/
public static ArchitectureDescriptionPreferences getOrAddArchitectureDescriptionPreferences(ModelSet modelSet) {
Resource resource = getSashResource(modelSet);
if (resource != null) {
ArchitectureDescriptionPreferences preferences = (ArchitectureDescriptionPreferences) EcoreUtil.getObjectByType(resource.getContents(),
ArchitecturePackage.Literals.ARCHITECTURE_DESCRIPTION_PREFERENCES);
if (preferences == null) {
preferences = ArchitectureFactory.eINSTANCE.createArchitectureDescriptionPreferences();
resource.getContents().add(preferences);
}
return preferences;
}
return null;
}
}
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