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/*****************************************************************************
* Copyright (c) 2012 Atos Origin.
*
*
* 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:
* Anass Radouani (Atos) anass.radouani@atos.com - Initial API and implementation
*
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.activity.testers;
import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.papyrus.infra.ui.editor.IMultiDiagramEditor;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.PlatformUI;
import org.eclipse.uml2.uml.InvocationAction;
/**
* This class is a Property tester used to check if current element
* is a UML Call Action.
*/
public class UMLCallActionTester extends PropertyTester {
/** Tester ID for UML Call Action nature */
public static final String IS_CALL_ACTION = "isCallAction";
/** Default constructor */
public UMLCallActionTester() {
}
/** Test the receiver against the selected property */
@Override
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
// Ensure Papyrus is the active editor
IEditorPart editor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor();
if ((editor == null) || (!(editor instanceof IMultiDiagramEditor))) {
return false;
}
Object currentValue = null;
if (IS_CALL_ACTION.equals(property)) {
if (receiver instanceof StructuredSelection) {
StructuredSelection structuredSelection = (StructuredSelection) receiver;
Object obj = structuredSelection.getFirstElement();
EObject element = null;
if (obj instanceof IAdaptable) {
element = (EObject) ((IAdaptable) obj).getAdapter(EObject.class);
if (element instanceof View) {
element = ((View) element).getElement();
}
}
currentValue = element instanceof InvocationAction;
}
return (currentValue == expectedValue);
}
return false;
}
}
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