diff options
Diffstat (limited to 'extraplugins/qompass-designer/org.eclipse.papyrus.qompass.designer.core/src/org/eclipse/papyrus/qompass/designer/core/templates/PreTemplateInstantiationListener.java')
-rw-r--r-- | extraplugins/qompass-designer/org.eclipse.papyrus.qompass.designer.core/src/org/eclipse/papyrus/qompass/designer/core/templates/PreTemplateInstantiationListener.java | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/extraplugins/qompass-designer/org.eclipse.papyrus.qompass.designer.core/src/org/eclipse/papyrus/qompass/designer/core/templates/PreTemplateInstantiationListener.java b/extraplugins/qompass-designer/org.eclipse.papyrus.qompass.designer.core/src/org/eclipse/papyrus/qompass/designer/core/templates/PreTemplateInstantiationListener.java new file mode 100644 index 00000000000..1c97d6de0be --- /dev/null +++ b/extraplugins/qompass-designer/org.eclipse.papyrus.qompass.designer.core/src/org/eclipse/papyrus/qompass/designer/core/templates/PreTemplateInstantiationListener.java @@ -0,0 +1,92 @@ +/***************************************************************************** + * Copyright (c) 2013 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: + * Ansgar Radermacher ansgar.radermacher@cea.fr + * + *****************************************************************************/ + +package org.eclipse.papyrus.qompass.designer.core.templates; + +import org.eclipse.emf.ecore.EObject; +import org.eclipse.papyrus.FCM.BindingHelper; +import org.eclipse.papyrus.FCM.Template; +import org.eclipse.papyrus.qompass.designer.core.extensions.BindingHelperExt; +import org.eclipse.papyrus.qompass.designer.core.listeners.PreCopyListener; +import org.eclipse.papyrus.qompass.designer.core.transformations.LazyCopier; +import org.eclipse.uml2.uml.BehavioralFeature; +import org.eclipse.uml2.uml.Element; +import org.eclipse.uml2.uml.OpaqueBehavior; +import org.eclipse.uml2.uml.TemplateBinding; +import org.eclipse.uml2.uml.util.UMLUtil; + +/** + * Template instantiation is implemented by means of an CopyListener that + * evaluates the template stereotype. + */ + +public class PreTemplateInstantiationListener implements PreCopyListener { + + public static PreTemplateInstantiationListener getInstance() { + if(preTemplateInstantiationListener == null) { + preTemplateInstantiationListener = new PreTemplateInstantiationListener(); + preTemplateInstantiationListener.treatTemplate = false; + } + return preTemplateInstantiationListener; + } + + public void init(LazyCopier copy, TemplateBinding binding, Object[] args) { + this.binding = binding; + } + + private TemplateBinding binding; + + private boolean treatTemplate; + + private static PreTemplateInstantiationListener preTemplateInstantiationListener; + + public EObject preCopyEObject(LazyCopier copy, EObject sourceEObj) { + if(treatTemplate) { + return sourceEObj; + } + treatTemplate = true; + EObject targetEObj = checkEObject(copy, sourceEObj); + treatTemplate = false; + return targetEObj; + } + + protected EObject checkEObject(LazyCopier copy, EObject sourceEObj) { + + // Specific treatment of OpaqueBehaviors: Template instantiations are typically managed + // by the associated operation which instantiates operation and behavior. In this case, the + // behavior should not be instantiated. + if(sourceEObj instanceof OpaqueBehavior) { + OpaqueBehavior behavior = (OpaqueBehavior)sourceEObj; + BehavioralFeature bf = behavior.getSpecification(); + if(bf != null) { + Template template = UMLUtil.getStereotypeApplication(bf, Template.class); + if(template != null) { + return null; + } + } + } + + if(sourceEObj instanceof Element) { + + Template template = UMLUtil.getStereotypeApplication((Element)sourceEObj, Template.class); + if((template != null)) { + BindingHelper helper = template.getHelper(); + if (helper != null) { + return BindingHelperExt.applyPreHelper(helper, copy, binding, sourceEObj); + } + } + } + return sourceEObj; + } +} |