1 files changed, 149 insertions, 0 deletions
diff --git a/plugins/cdo/bundles/org.eclipse.papyrus.infra.gmfdiag.css.cdo/src/org/eclipse/papyrus/infra/gmfdiag/css/cdo/CSSArrowStyleImpl.java b/plugins/cdo/bundles/org.eclipse.papyrus.infra.gmfdiag.css.cdo/src/org/eclipse/papyrus/infra/gmfdiag/css/cdo/CSSArrowStyleImpl.java
new file mode 100644
index 00000000..41b1aa4d
--- /dev/null
+++ b/plugins/cdo/bundles/org.eclipse.papyrus.infra.gmfdiag.css.cdo/src/org/eclipse/papyrus/infra/gmfdiag/css/cdo/CSSArrowStyleImpl.java
@@ -0,0 +1,149 @@
+/*****************************************************************************
+ * 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.common.notify.Notification;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EStructuralFeature;
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.gmf.runtime.notation.ArrowType;
+import org.eclipse.gmf.runtime.notation.NotationPackage;
+import org.eclipse.gmf.runtime.notation.View;
+import org.eclipse.emf.cdo.gmf.notation.impl.ArrowStyleImpl;
+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.CSSArrowStyle;
+import org.eclipse.papyrus.infra.gmfdiag.css.style.impl.CSSArrowStyleDelegate;
+
+public class CSSArrowStyleImpl extends ArrowStyleImpl implements CSSArrowStyle {
+
+	protected ExtendedCSSEngine engine;
+
+	private CSSArrowStyle arrowStyle;
+
+	protected CSSArrowStyle getArrowStyle() {
+		if (arrowStyle == null) {
+			arrowStyle = new CSSArrowStyleDelegate(this, getEngine());
+		}
+		return arrowStyle;
+	}
+
+	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 ArrowType getCSSArrowSource() {
+		ArrowType value = super.getArrowSource();
+
+		if (ForceValueHelper.isSet(findView(), this, NotationPackage.eINSTANCE.getArrowStyle_ArrowSource(), value)) {
+			return value;
+		} else {
+			return getArrowStyle().getCSSArrowSource();
+		}
+	}
+
+	@Override
+	public ArrowType getCSSArrowTarget() {
+		ArrowType value = super.getArrowTarget();
+
+		if (ForceValueHelper.isSet(findView(), this, NotationPackage.eINSTANCE.getArrowStyle_ArrowTarget(), value)) {
+			return value;
+		} else {
+			return getArrowStyle().getCSSArrowTarget();
+		}
+	}
+
+
+	@Override
+	public ArrowType getArrowSource() {
+		return getCSSArrowSource();
+	}
+
+	@Override
+	public ArrowType getArrowTarget() {
+		return getCSSArrowTarget();
+	}
+
+
+
+	// //////////////////////////////////////////////
+	// Implements a setter for each CSS property //
+	// //////////////////////////////////////////////
+
+	@Override
+	public void setArrowSource(ArrowType value) {
+		ArrowType oldArrowSource = getArrowSource();
+
+		boolean deliver = eDeliver();
+		try {
+			// Do not rely on super implementation for sending the event. Just change the value.
+			eSetDeliver(false);
+			super.setArrowSource(value);
+		} finally {
+			eSetDeliver(deliver);
+		}
+
+		EStructuralFeature feature = NotationPackage.eINSTANCE.getArrowStyle_ArrowSource();
+		ForceValueHelper.setValue(findView(), feature, value);
+
+		// Bug YYY YYY: Super implementation doesn't rely on "getArrowSource" and doesn't properly compute oldArrowSource
+		if (eNotificationRequired()) {
+			eNotify(new ENotificationImpl(this, Notification.SET, NotationPackage.ARROW_STYLE__ARROW_SOURCE, oldArrowSource, value));
+		}
+	}
+
+	@Override
+	public void setArrowTarget(ArrowType value) {
+		super.setArrowTarget(value);
+
+		EStructuralFeature feature = NotationPackage.eINSTANCE.getArrowStyle_ArrowTarget();
+		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);
+	}
+
+
+}