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/*****************************************************************************
* Copyright (c) 2012 CEA LIST.
*
* 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.css.cdo;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.emf.cdo.gmf.notation.impl.DescriptionStyleImpl;
import org.eclipse.papyrus.infra.gmfdiag.css.engine.ExtendedCSSEngine;
import org.eclipse.papyrus.infra.gmfdiag.css.notation.CSSDiagram;
import org.eclipse.papyrus.infra.gmfdiag.css.notation.ForceValueHelper;
import org.eclipse.papyrus.infra.gmfdiag.css.style.CSSDescriptionStyle;
import org.eclipse.papyrus.infra.gmfdiag.css.style.impl.CSSDescriptionStyleDelegate;
public class CSSDescriptionStyleImpl extends DescriptionStyleImpl implements CSSDescriptionStyle {
protected ExtendedCSSEngine engine;
private CSSDescriptionStyle descriptionStyle;
protected CSSDescriptionStyle getDescriptionStyle() {
if (descriptionStyle == null) {
descriptionStyle = new CSSDescriptionStyleDelegate(this, getEngine());
}
return descriptionStyle;
}
protected ExtendedCSSEngine getEngine() {
if (engine == null) {
engine = ((CSSDiagram) findView().getDiagram()).getEngine();
}
return engine;
}
protected View findView() {
EObject parent = eContainer();
while (!(parent instanceof View) && parent != null) {
parent = parent.eContainer();
}
if (parent != null) {
return (View) parent;
}
return null;
}
// ////////////////////////////////////////
// Forwards accesses to CSS properties //
// ////////////////////////////////////////
@Override
public java.lang.String getCSSDescription() {
java.lang.String value = super.getDescription();
if (ForceValueHelper.isSet(findView(), this, NotationPackage.eINSTANCE.getDescriptionStyle_Description(), value)) {
return value;
} else {
return getDescriptionStyle().getCSSDescription();
}
}
@Override
public java.lang.String getDescription() {
return getCSSDescription();
}
// //////////////////////////////////////////////
// Implements a setter for each CSS property //
// //////////////////////////////////////////////
@Override
public void setDescription(java.lang.String value) {
super.setDescription(value);
EStructuralFeature feature = NotationPackage.eINSTANCE.getDescriptionStyle_Description();
ForceValueHelper.setValue(findView(), feature, value);
}
// ////////////////////////////////
// Implements the unset method //
// ////////////////////////////////
@Override
public void eUnset(int featureId) {
super.eUnset(featureId);
EStructuralFeature feature = eClass().getEStructuralFeature(featureId);
ForceValueHelper.unsetValue(findView(), feature);
}
}
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