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/**
* Copyright (c) 2012 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) - Bug 379683 - customizable Tree content provider
* Gregoire Dupe (Mia-Software) - Bug 386387 - [CustomizedTreeContentProvider] The TreeElements are not preserved between two calls to getElements()
*/
package org.eclipse.papyrus.emf.facet.custom.metamodel.v0_2_0.internal.treeproxy.impl;
import java.util.LinkedList;
import java.util.List;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.papyrus.emf.facet.custom.metamodel.v0_2_0.internal.treeproxy.EObjectTreeElement;
import org.eclipse.papyrus.emf.facet.custom.metamodel.v0_2_0.internal.treeproxy.EStructuralFeatureTreeElement;
import org.eclipse.papyrus.emf.facet.custom.metamodel.v0_2_0.internal.treeproxy.TreeElement;
/**
* An implementation of the model object '<em><b>EStructural Feature Tree Element</b></em>'.
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.papyrus.emf.facet.custom.metamodel.v0_2_0.internal.treeproxy.impl.EStructuralFeatureTreeElementImpl#getParent <em>Parent
* </em>}</li>
* <li>{@link org.eclipse.papyrus.emf.facet.custom.metamodel.v0_2_0.internal.treeproxy.impl.EStructuralFeatureTreeElementImpl#getReferedEObjectTE <em>
* Refered EObject TE</em>}</li>
* </ul>
* </p>
*
*/
public class EStructuralFeatureTreeElementImpl extends TreeElementImpl implements EStructuralFeatureTreeElement {
/**
* The cached value of the '{@link #getReferedEObjectTE() <em>Refered EObject TE</em>}' containment reference list.
*
* @see #getReferedEObjectTE()
*/
protected List<EObjectTreeElement> referedEObjectTE;
protected EStructuralFeatureTreeElementImpl() {
super();
}
public List<EObjectTreeElement> getReferedEObjectTE() {
if(referedEObjectTE == null) {
referedEObjectTE = new LinkedList<EObjectTreeElement>();
}
return referedEObjectTE;
}
/**
* Try to adapt this object to the requested type.
* Check if the underlying EObject ({@link #getEObject()}) can be adapted to the requested type.
*
* @param key
* @return
*/
public Object getAdapter(Class key) {
if(key == EStructuralFeature.Setting.class) { //Metamodel element
EStructuralFeature.Setting result = new EStructuralFeature.Setting() {
public void unset() {
getEObject().eUnset(getEStructuralFeature());
}
public void set(Object newValue) {
getEObject().eSet(getEStructuralFeature(), newValue);
}
public boolean isSet() {
return getEObject().eIsSet(getEStructuralFeature());
}
public EStructuralFeature getEStructuralFeature() {
return getEStructuralFeature();
}
public EObject getEObject() {
return getEObject();
}
public Object get(boolean resolve) {
return getEObject().eGet(getEStructuralFeature(), resolve);
}
};
}
//Semantic element
// Check if the underlying EObject can request to the adaptation
// The semantic EObject of a EReferenceTreeElement is the semantic EObject of it's parent (Which is an EObjectTreeElement)
final EObject model = getEObject();
if(key.isInstance(model)) {
return model;
}
return null;
}
// The semantic EObject of a EReferenceTreeElement is the semantic EObject of it's parent (Which is an EObjectTreeElement)
protected EObject getEObject() {
TreeElement parent = getParent();
if(parent instanceof EObjectTreeElement) { //Should always be true
return ((EObjectTreeElement)parent).getEObject();
}
return null;
}
} //EStructuralFeatureTreeElementImpl
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