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/*****************************************************************************
* Copyright (c) 2016 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:
* Nicolas FAUVERGUE (ALL4TEC) nicolas.fauvergue@all4tec.net - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.infra.editor.welcome.internationalization.modelelements;
import org.eclipse.core.databinding.observable.value.AbstractObservableValue;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.common.command.CompoundCommand;
import org.eclipse.emf.common.command.UnexecutableCommand;
import org.eclipse.emf.ecore.EAnnotation;
import org.eclipse.emf.ecore.EcoreFactory;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.papyrus.infra.core.resource.ModelSet;
import org.eclipse.papyrus.infra.core.services.ServiceException;
import org.eclipse.papyrus.infra.emf.commands.AddEAnnotationDetailCommand;
import org.eclipse.papyrus.infra.emf.commands.AddToResourceCommand;
import org.eclipse.papyrus.infra.emf.commands.RemoveEAnnotationDetailCommand;
import org.eclipse.papyrus.infra.emf.commands.RemoveFromResourcecommand;
import org.eclipse.papyrus.infra.emf.gmf.command.GMFtoEMFCommandWrapper;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForResource;
import org.eclipse.papyrus.infra.internationalization.common.command.UseInternationalizationPreferenceCommand;
import org.eclipse.papyrus.infra.internationalization.common.utils.InternationalizationAnnotationResourceUtils;
import org.eclipse.papyrus.infra.internationalization.common.utils.InternationalizationPreferencesConstants;
import org.eclipse.papyrus.infra.internationalization.common.utils.InternationalizationPreferencesUtils;
import org.eclipse.papyrus.infra.internationalization.modelresource.InternationalizationPreferenceModel;
import org.eclipse.papyrus.infra.internationalization.ui.Activator;
import org.eclipse.papyrus.infra.internationalization.utils.InternationalizationPreferenceModelUtils;
/**
* The observable value for the use internationalization preference and annotation detail.
*/
public class UseInternationalizationObservableValue extends AbstractObservableValue<Boolean> {
/**
* The editing domain to execute the command.
*/
private EditingDomain domain;
/**
* Constructor.
*
* @param domain
* The editing domain.
*/
public UseInternationalizationObservableValue(final EditingDomain domain) {
super();
this.domain = domain;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.core.databinding.observable.value.IObservableValue#getValueType()
*/
@Override
public Object getValueType() {
return Boolean.class;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doGetValue()
*/
@Override
protected Boolean doGetValue() {
final InternationalizationPreferenceModel model = InternationalizationPreferenceModelUtils.getInternationalizationPreferenceModel((ModelSet) domain.getResourceSet());
return InternationalizationPreferencesUtils.getInternationalizationPreference(model.getPrivateResourceURI());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#doSetValue(java.lang.Object)
*/
@Override
protected void doSetValue(final Boolean value) {
final Command command = getSetCommand(value);
domain.getCommandStack().execute(command);
}
/**
* Returns the command used to edit the value.
*
* @param value
* The new value
* @return
* The Set command used to edit the value
*/
protected Command getSetCommand(final Boolean value) {
boolean needCreateAnnotation = true;
final InternationalizationPreferenceModel model = InternationalizationPreferenceModelUtils.getInternationalizationPreferenceModel((ModelSet) domain.getResourceSet());
final Resource resource = model.getResource();
// Search the internationalization annotation in the notation resource
EAnnotation annotation = InternationalizationAnnotationResourceUtils.getInternationalizationAnnotation(resource);
final CompoundCommand compoundCommand = new CompoundCommand("Create internationalization command"); //$NON-NLS-1$
if (null != annotation) {
if (annotation.getDetails().containsKey(InternationalizationPreferencesConstants.USE_DETAIL_ANNOTATION_LABEL)) {
try {
final TransactionalEditingDomain domainForResource = ServiceUtilsForResource.getInstance().getTransactionalEditingDomain(resource);
// Remove the details from annotation
compoundCommand.append(new RemoveEAnnotationDetailCommand(domainForResource, annotation, InternationalizationPreferencesConstants.USE_DETAIL_ANNOTATION_LABEL));
// If the detail is the only one, delete the annotation
if (1 == annotation.getDetails().size()) {
compoundCommand.append(new RemoveFromResourcecommand(domainForResource, resource, annotation));
} else {
needCreateAnnotation = false;
}
} catch (final ServiceException e) {
Activator.log.error(e);
}
// Remove the preference by command
compoundCommand.append(new UseInternationalizationPreferenceCommand(model.getPrivateResourceURI(), false));
} else {
needCreateAnnotation = false;
}
}
if (value) {
// Create the annotation if the internationalization value
// is not false
if (needCreateAnnotation) {
annotation = EcoreFactory.eINSTANCE.createEAnnotation();
annotation.setSource(InternationalizationPreferencesConstants.INTERNATIONALIZATION_ANNOTATION_LABEL);
annotation.getDetails().put(
InternationalizationPreferencesConstants.USE_DETAIL_ANNOTATION_LABEL,
Boolean.toString(value));
compoundCommand.append(new GMFtoEMFCommandWrapper(new AddToResourceCommand(((ModelSet) resource.getResourceSet()).getTransactionalEditingDomain(), resource, annotation)));
} else {
try {
final TransactionalEditingDomain domainForResource = ServiceUtilsForResource.getInstance().getTransactionalEditingDomain(resource);
compoundCommand.append(new AddEAnnotationDetailCommand(domainForResource, annotation, InternationalizationPreferencesConstants.USE_DETAIL_ANNOTATION_LABEL, Boolean.toString(value)));
} catch (final ServiceException e) {
Activator.log.error(e);
}
}
// Manage the preference by command
compoundCommand.append(new UseInternationalizationPreferenceCommand(model.getPrivateResourceURI(),
value));
}
return !compoundCommand.getCommandList().isEmpty() ? compoundCommand : UnexecutableCommand.INSTANCE;
}
}
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