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/*****************************************************************************
* Copyright (c) 2012, 2016 CEA LIST, Christian W. Damus, 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:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Christian W. Damus - bugs 433206, 436665
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.css;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.gmf.runtime.notation.NamedStyle;
import org.eclipse.gmf.runtime.notation.NotationPackage;
import org.eclipse.gmf.runtime.notation.Style;
import org.eclipse.gmf.runtime.notation.impl.NodeImpl;
import org.eclipse.papyrus.infra.gmfdiag.css.engine.ExtendedCSSEngine;
import org.eclipse.papyrus.infra.gmfdiag.css.notation.CSSDiagramImpl;
import org.eclipse.papyrus.infra.gmfdiag.css.notation.ForceValueHelper;
import org.eclipse.papyrus.infra.gmfdiag.css.provider.CSSCustomStyleDelegate;
import org.eclipse.papyrus.infra.gmfdiag.css.provider.CustomStyle;
import org.eclipse.papyrus.infra.gmfdiag.css.style.CSSView;
import org.eclipse.papyrus.infra.gmfdiag.css.style.impl.CSSViewDelegate;
public class CSSNodeImpl extends NodeImpl implements CSSView.Internal, CustomStyle {
protected ExtendedCSSEngine engine;
private CSSView cssView;
private CustomStyle customStyle;
protected ExtendedCSSEngine getEngine() {
if (engine == null) {
engine = ((CSSDiagramImpl) getDiagram()).getEngine();
}
return engine;
}
protected CSSView getCSSView() {
if (cssView == null) {
cssView = new CSSViewDelegate(this, getEngine());
}
return cssView;
}
@Override
public void resetCSS() {
cssView = null;
engine = null;
}
protected CustomStyle getCustomStyle() {
if (customStyle == null) {
customStyle = new CSSCustomStyleDelegate(this, getEngine());
}
return customStyle;
}
@Override
public boolean isVisible() {
return isCSSVisible();
}
@Override
public boolean isCSSVisible() {
boolean value = super.isVisible();
if (ForceValueHelper.isSet(this, NotationPackage.eINSTANCE.getView_Visible(), value)) {
return value;
} else {
return getCSSView().isCSSVisible();
}
}
// //////////////////////////////////////////////
// Implements a setter for each CSS property //
// //////////////////////////////////////////////
@Override
public void setVisible(boolean value) {
super.setVisible(value);
EStructuralFeature feature = NotationPackage.eINSTANCE.getView_Visible();
ForceValueHelper.setValue(this, feature, value);
}
@Override
public void setType(java.lang.String value) {
super.setType(value);
EStructuralFeature feature = NotationPackage.eINSTANCE.getView_Type();
ForceValueHelper.setValue(this, feature, value);
}
@Override
public void setMutable(boolean value) {
super.setMutable(value);
EStructuralFeature feature = NotationPackage.eINSTANCE.getView_Mutable();
ForceValueHelper.setValue(this, feature, value);
}
// ////////////////////////////////
// Implements the unset method //
// ////////////////////////////////
@Override
public void eUnset(int featureId) {
super.eUnset(featureId);
EStructuralFeature feature = eClass().getEStructuralFeature(featureId);
ForceValueHelper.unsetValue(this, feature);
}
// ////////////////////////////////
// Implements the getNamedStyle //
// ////////////////////////////////
@Override
public NamedStyle getNamedStyle(EClass eClass, String name) {
return getCSSNamedStyle(eClass, name);
}
@Override
public NamedStyle getCSSNamedStyle(EClass eClass, String name) {
NamedStyle userStyle = super.getNamedStyle(eClass, name);
if (userStyle != null) {
return userStyle;
}
return getCSSView().getCSSNamedStyle(eClass, name);
}
// /////////////////////////////////
// Implements the custom styles //
// /////////////////////////////////
@Override
public boolean showElementIcon() {
return getCustomStyle().showElementIcon();
}
@Override
public int getQualifiedNameDepth() {
return getCustomStyle().getQualifiedNameDepth();
}
@Override
public boolean showShadow() {
return getCustomStyle().showShadow();
}
// /////////////////////////////////
// Implements the getStyle method //
// /////////////////////////////////
@Override
public Style getStyle(EClass eClass) {
return getCSSStyle(eClass);
}
@Override
public Style getCSSStyle(EClass eClass) {
Style userStyle = super.getStyle(eClass);
if (userStyle != null) {
return userStyle;
}
return getCSSView().getCSSStyle(eClass);
}
}
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