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/*****************************************************************************
* Copyright (c) 2009-2014 CEA LIST 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:
* Cedric Dumoulin (LIFL) cedric.dumoulin@lifl.fr - Initial API and implementation
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Rewrite the sash model - store in the plugin's PreferenceStore (Bug 429239)
* Christian W. Damus (CEA) - bug 429242
*
*****************************************************************************/
package org.eclipse.papyrus.infra.core.resource.sasheditor;
import java.util.Collections;
import java.util.Map;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.resource.URIConverter;
import org.eclipse.emf.ecore.xmi.XMIResource;
import org.eclipse.papyrus.infra.core.Activator;
import org.eclipse.papyrus.infra.core.resource.EMFLogicalModel;
import org.eclipse.papyrus.infra.core.resource.IModel;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.infra.core.sashwindows.di.util.DiUtils;
import com.google.common.base.Objects;
/**
* Model for the sash system.
*
* It may be stored in the *.di file (Legacy mode) or in a *.sash file in the user
* preference space (~workspace/.metadata/.plugins/org.eclipse.papyrus.infra.core/)
*
* @author Cedric Dumoulin
* @author Camille Letavernier
*
*/
public class SashModel extends EMFLogicalModel implements IModel {
private SashModelProviderManager providerManager;
/**
* File extension.
*
* @deprecated Use {@link DiModel#MODEL_FILE_EXTENSION} instead. The SashModel has been moved to a separate file
*/
@Deprecated
public static final String MODEL_FILE_EXTENSION = "di"; //$NON-NLS-1$
/**
* File extension for the Sash model
*/
public static final String SASH_MODEL_FILE_EXTENSION = "sash"; //$NON-NLS-1$
/**
* Model ID.
*/
public static final String MODEL_ID = "org.eclipse.papyrus.infra.core.resource.sasheditor.SashModel"; //$NON-NLS-1$
/**
*
* Constructor.
*
*/
public SashModel() {
}
/**
* Get the file extension used for this model.
*
* @see org.eclipse.papyrus.infra.core.resource.AbstractBaseModel#getModelFileExtension()
*
* @return
*/
@Override
protected String getModelFileExtension() {
if(isLegacy((resourceURI == null) ? resourceURI : resourceURI.trimFileExtension())) {
return DiModel.MODEL_FILE_EXTENSION;
} else {
return SASH_MODEL_FILE_EXTENSION;
}
}
@Override
public void init(ModelSet modelSet) {
super.init(modelSet);
this.providerManager = new SashModelProviderManager(modelSet);
}
@Override
public void unload() {
if(providerManager != null) {
providerManager.dispose();
providerManager = null;
}
super.unload();
}
@Override
protected boolean isRelatedResource(Resource resource) {
if(resource == null) {
return false;
}
String fileExtension = resource.getURI().fileExtension();
return DiModel.MODEL_FILE_EXTENSION.equals(fileExtension) || SASH_MODEL_FILE_EXTENSION.equals(fileExtension);
}
/**
* 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;
}
@Override
public void loadModel(URI uriWithoutExtension) {
URI sashModelURI = getSashModelURI(uriWithoutExtension);
this.resourceURI = sashModelURI;
try {
super.loadModel(sashModelURI.trimFileExtension());
} catch (Exception ex) {
createModel(sashModelURI.trimFileExtension());
}
if(resource == null) {
createModel(sashModelURI.trimFileExtension());
}
}
@Override
public void createModel(URI uriWithoutExtension) {
if(isLegacy(uriWithoutExtension)) {
super.createModel(getSashModelStoreURI(uriWithoutExtension).trimFileExtension());
} else {
if(!uriWithoutExtension.lastSegment().endsWith(SASH_MODEL_FILE_EXTENSION)) {//Bug 434839 : we create a new papyrus sashmodel from an existing model.profile.uml and were avoiding to trim .profile
super.createModel(getSashModelStoreURI(uriWithoutExtension).trimFileExtension());
} else {
super.createModel(uriWithoutExtension);
}
}
}
@Override
public void setModelURI(URI uriWithoutExtension) {
URI newURI;
if((resourceURI != null) && isLegacy(resourceURI.trimFileExtension())) {
newURI = getLegacyURI(uriWithoutExtension);
} else {
newURI = getSashModelStoreURI(uriWithoutExtension);
}
super.setModelURI(newURI.trimFileExtension());
}
protected boolean isLegacy(URI uriWithoutExtension) {
if(uriWithoutExtension == null) {
return false;
}
return Objects.equal(uriWithoutExtension, getModelManager().getURIWithoutExtension());
}
/**
* Returns the sash model URI (With file extension)
*
* It may be either the Legacy URI (platform:/resource/model/model.di)
* or the 1.0.0 URI (file:/~workspace/.metadata/.plugins/org.eclipse.papyrus.infra.core/model/model.sash)
*
* @param uriWithoutExtension
* @return
*
*/
protected URI getSashModelURI(URI uriWithoutExtension) {
URIConverter converter = getModelManager().getURIConverter();
URI legacyURI = getLegacyURI(uriWithoutExtension);
//If the DI file exists and contains a SashWindowsMngr, this is a legacy model
if(converter.exists(legacyURI, Collections.emptyMap())) {
try {
Resource diResource = getModelManager().getResource(legacyURI, true);
if(DiUtils.lookupSashWindowsMngr(diResource) != null) {
return legacyURI;
}
} catch (Exception ex) {
//Temporary workaround: the DI file may exist and be empty
//(DiModel is currently disabled and doesn't properly init the di file)
//Log the error and continue
Activator.log.error(ex);
}
}
URI preferenceStoreURI = getSashModelStoreURI(uriWithoutExtension);
return preferenceStoreURI;
}
protected URI getLegacyURI(URI uriWithoutExtension) {
return uriWithoutExtension.appendFileExtension(DiModel.MODEL_FILE_EXTENSION);
}
protected URI getSashModelStoreURI(URI uriWithoutExtension) {
return providerManager.getSashModelProvider(uriWithoutExtension).getSashModelURI(uriWithoutExtension);
}
@Override
protected Map<Object, Object> getSaveOptions() {
Map<Object, Object> saveOptions = super.getSaveOptions();
saveOptions.put(XMIResource.OPTION_USE_XMI_TYPE, Boolean.FALSE);
saveOptions.put(XMIResource.OPTION_SAVE_TYPE_INFORMATION, Boolean.FALSE);
return saveOptions;
}
}
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