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/*******************************************************************************
* Copyright (c) 2009 CEA LIST.
* All rights reserved. This program and the accompanying materials
* are property of the CEA, their use is subject to specific agreement
* with the CEA.
*
* Contributors:
* CEA LIST - initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.papyrusgmfgenextension.popupaction;
import java.util.Iterator;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.gmf.codegen.gmfgen.CustomParser;
import org.eclipse.gmf.codegen.gmfgen.FeatureLabelModelFacet;
import org.eclipse.gmf.codegen.gmfgen.GMFGenFactory;
import org.eclipse.gmf.codegen.gmfgen.GenEditorGenerator;
import org.eclipse.gmf.codegen.gmfgen.GenLink;
import org.eclipse.gmf.codegen.gmfgen.GenLinkLabel;
import org.eclipse.gmf.codegen.gmfgen.GenParserImplementation;
import org.eclipse.gmf.codegen.gmfgen.LabelOffsetAttributes;
import org.eclipse.gmf.codegen.gmfgen.LinkLabelAlignment;
import org.eclipse.gmf.codegen.gmfgen.ParentAssignedViewmap;
import org.eclipse.jface.action.IAction;
import org.eclipse.ui.IViewPart;
/**
* Implementation class for AddGenLinkStereotypeDisplayBehavior action
*/
public class AddGenLinkStereotypeDisplayBehavior extends Action {
public static final String STEREOTYPE_LABEL_POLICY_KEY = "org.eclipse.papyrus.diagram.common.editpolicies.AppliedStereotypeLinkLabelDisplayEditPolicy.STEREOTYPE_LABEL_POLICY"; //$NON-NLS-1$
public static final String STEREOTYPE_LABEL_POLICY_CLASS = "org.eclipse.papyrus.diagram.common.editpolicies.AppliedStereotypeLinkLabelDisplayEditPolicy"; //$NON-NLS-1$
public static final String DEFAULT_GETTER_NAME = "getAppliedStereotypeLabel"; //$NON-NLS-1$
public static final String DEFAULT_EDITPART_NAME_SUFFIX = "AppliedStereotypeEditPart"; //$NON-NLS-1$
public static final String DEFAULT_EDITPOLICY_NAME_SUFFIX = "AppliedStereotypeItemSemanticEditPolicy"; //$NON-NLS-1$
public static final String DEFAULT_WRAPPING_LABEL_CLASS = "org.eclipse.gmf.runtime.draw2d.ui.figures.WrappingLabel"; //$NON-NLS-1$
public static final int DEFAULT_OFFSET_X = 0;
public static final int DEFAULT_OFFSET_Y = 60;
public static final String DEFAULT_PARSER_PATTERN = "<<{0}>>"; //$NON-NLS-1$
public static final String APPLIED_STEREOTYPE_CUSTOM_PARSER_CLASS = "org.eclipse.papyrus.diagram.common.parser.stereotype.AppliedStereotypeParser"; //$NON-NLS-1$
public static final String GEN_CLASS_RT_CLASS = "Node"; //$NON-NLS-1$
public static final String GEN_CLASS_FACET_META_FEATURE = "NamedElement"; //$NON-NLS-1$
public static final String GEN_FEATURE_FACET_META_FEATURE = "name"; //$NON-NLS-1$
public static final String URI_NOTATION_GENMODEL = "org.eclipse.gmf.runtime.notation/model/notation.genmodel"; //$NON-NLS-1$
public static final String URI_UML_GENMODEL = "org.eclipse.uml2.uml/model/UML.genmodel"; //$NON-NLS-1$
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IViewActionDelegate#init(org.eclipse.ui.IViewPart)
*/
public void init(IViewPart view) {
// NO OP
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
@Override
public void run(IAction action) {
// Parse selected GenLink(s) and add the desired CustomBehavior
Iterator<EObject> it = getSelectedEObject().iterator();
while (it.hasNext()) {
EObject eObject = it.next();
if (eObject instanceof GenLink) {
// Create the behavior required by stereotype management (if not already created)
if (!hasCustomBehavior(((GenLink) eObject), STEREOTYPE_LABEL_POLICY_KEY)) {
addCustomBehavior((GenLink) eObject, STEREOTYPE_LABEL_POLICY_KEY, STEREOTYPE_LABEL_POLICY_CLASS);
}
// Create the GenLinkLabel used for stereotypes (if not already created)
if (!hasCustomLabel((GenLink) eObject)) {
addCustomLabel((GenLink) eObject);
}
}
}
}
/**
* Add the CustomBehavior for Applied Stereotype label display to the GenLink node given as
* parameter
*
* @param genlink
* where the CustomBehavior is added
*/
private void addCustomLabel(GenLink genlink) {
// Create a GenLinkLabel
GenLinkLabel label = GMFGenFactory.eINSTANCE.createGenLinkLabel();
label.setEditPartClassName(genlink.getClassNamePrefix() + DEFAULT_EDITPART_NAME_SUFFIX);
label.setItemSemanticEditPolicyClassName(genlink.getClassNamePrefix() + DEFAULT_EDITPOLICY_NAME_SUFFIX);
label.setAlignment(LinkLabelAlignment.MIDDLE_LITERAL);
label.setReadOnly(true);
// Set GenLinkLabel VisualID with new unique ID
int visualID = SetVisualIDWithUnusedValue.getNewVisualID(genlink.eResource(), GenLinkLabel.class);
label.setVisualID(visualID);
// Retrieve DiagramRunTimeClass in notation.genmodel (Node -> View)
URI uri_notation = URI.createPlatformPluginURI(URI_NOTATION_GENMODEL, false);
Resource notation = genlink.eResource().getResourceSet().getResource(uri_notation, true);
label.setDiagramRunTimeClass(findGenClass(notation, GEN_CLASS_RT_CLASS));
// Create Viewmap
ParentAssignedViewmap viewmap = GMFGenFactory.eINSTANCE.createParentAssignedViewmap();
viewmap.setGetterName(DEFAULT_GETTER_NAME);
viewmap.setFigureQualifiedClassName(DEFAULT_WRAPPING_LABEL_CLASS);
LabelOffsetAttributes offset = GMFGenFactory.eINSTANCE.createLabelOffsetAttributes();
offset.setX(DEFAULT_OFFSET_X);
offset.setY(DEFAULT_OFFSET_Y);
// Create FeatureLabelModelFacet
FeatureLabelModelFacet facet = GMFGenFactory.eINSTANCE.createFeatureLabelModelFacet();
facet.setEditPattern(DEFAULT_PARSER_PATTERN);
facet.setEditorPattern(DEFAULT_PARSER_PATTERN);
facet.setViewPattern(DEFAULT_PARSER_PATTERN);
// Select NamedElement::name property in UML.genmodel for MetaFeatures
URI uri_uml = URI.createPlatformPluginURI(URI_UML_GENMODEL, false);
Resource uml = genlink.eResource().getResourceSet().getResource(uri_uml, true);
facet.getMetaFeatures().add(findGenFeature(uml, GEN_CLASS_FACET_META_FEATURE, GEN_FEATURE_FACET_META_FEATURE));
facet.setParser(findCustomParser(genlink.getDiagram().getEditorGen(), APPLIED_STEREOTYPE_CUSTOM_PARSER_CLASS));
// Attach created element one to another in the model
viewmap.getAttributes().add(offset);
label.setViewmap(viewmap);
label.setModelFacet(facet);
genlink.getLabels().add(label);
}
/**
* Check if the CustomBehavior for Applied Stereotype label display is already added
*
* @param genlink
* the GenLink to test
* @return true if the behavior with correct key already exists
*/
private boolean hasCustomLabel(GenLink genlink) {
boolean hasCustomLabel = false;
String expectedName = genlink.getClassNamePrefix() + DEFAULT_EDITPART_NAME_SUFFIX;
Iterator<GenLinkLabel> it = genlink.getLabels().iterator();
while (it.hasNext() && !(hasCustomLabel)) {
GenLinkLabel genLinkLabel = it.next();
if (expectedName.equals(genLinkLabel.getEditPartClassName())) {
hasCustomLabel = true;
}
}
return hasCustomLabel;
}
/**
* Finds the custom parser used for stereotype display. Creates the parser if not already
* existing
*
*
* @param gmfgen
* the model owning the parser
* @param name
* the parser qualified name
* @return the parser node
*/
private CustomParser findCustomParser(GenEditorGenerator genEditor, String name) {
CustomParser customParser = null;
Iterator<GenParserImplementation> it = genEditor.getLabelParsers().getImplementations().iterator();
while (it.hasNext() && (customParser == null)) {
GenParserImplementation parserImpl = it.next();
if (parserImpl instanceof CustomParser) {
CustomParser current = (CustomParser) parserImpl;
if (name.equals(current.getQualifiedName())) {
customParser = current;
}
}
}
if (customParser == null) {
customParser = GMFGenFactory.eINSTANCE.createCustomParser();
customParser.setQualifiedName(APPLIED_STEREOTYPE_CUSTOM_PARSER_CLASS);
customParser.setGenerateBoilerplate(false);
genEditor.getLabelParsers().getImplementations().add(customParser);
}
return customParser;
}
}
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