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/**
* Copyright (c) 2007-2012 Borland Software Corporation 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:
* Dmitry Stadnik (Borland) - initial API and implementation
* Michael Golubev (Montages) - #386838 - migrate to Xtend2
*/
package aspects.xpt.diagram.commands
import com.google.inject.Inject
import com.google.inject.Singleton
import metamodel.MetaModel
import org.eclipse.gmf.codegen.gmfgen.LinkModelFacet
import org.eclipse.gmf.codegen.gmfgen.TypeLinkModelFacet
import xpt.Common
import xpt.diagram.Utils_qvto
@Singleton class CreateLinkUtils extends xpt.diagram.commands.CreateLinkUtils {
@Inject extension Common;
@Inject extension Utils_qvto;
@Inject MetaModel xptMetaModel;
/**
* Fields of command that creates link.
*/
override dispatch fields(LinkModelFacet it) '''
«extraLineBreak»
«generatedMemberComment()»
protected final org.eclipse.emf.ecore.EObject source;
«generatedMemberComment()»
protected final org.eclipse.emf.ecore.EObject target;
'''
override dispatch fields(TypeLinkModelFacet it) '''
«extraLineBreak»
«generatedMemberComment()»
protected final org.eclipse.emf.ecore.EObject source;
«generatedMemberComment()»
protected final org.eclipse.emf.ecore.EObject target;
«IF hasContainerOtherThanSource(it)»
«generatedMemberComment()»
protected «xptMetaModel.QualifiedClassName(it.containmentMetaFeature.genClass)» container;
«ENDIF»
'''
override dispatch containerAccessor(TypeLinkModelFacet it) '''
«IF hasContainerOtherThanSource(it)»
«generatedMemberComment()»
public «xptMetaModel.QualifiedClassName(it.containmentMetaFeature.genClass)» getContainer() {
return container;
}
«generatedMemberComment(
'Default approach is to traverse ancestors of the source to find instance of container.\n' + 'Modify with appropriate logic.'
)»
protected «xptMetaModel.QualifiedClassName(it.containmentMetaFeature.genClass)» deduceContainer(org.eclipse.emf.ecore.EObject source, org.eclipse.emf.ecore.EObject target) {
// Find container element for the new link.
// Climb up by containment hierarchy starting from the source
// and return the first element that is instance of the container class.
for (org.eclipse.emf.ecore.EObject element = source; element != null; element = element.eContainer()) {
if («xptMetaModel.IsInstance(containmentMetaFeature.genClass, 'element')») {
return «xptMetaModel.CastEObject(it.containmentMetaFeature.genClass, 'element')»;
}
}
return null;
}
«ENDIF»
'''
}
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