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/*****************************************************************************
* Copyright (c) 2014 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
* Mickaël Adam (ALL4TEC) mickael.adam@all4tec.net - bug 429642
*****************************************************************************/
package org.eclipse.papyrus.infra.gmfdiag.css.properties.modelelement;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.gmf.runtime.notation.Diagram;
import org.eclipse.gmf.runtime.notation.View;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.papyrus.infra.gmfdiag.css.engine.ExtendedCSSEngine;
import org.eclipse.papyrus.infra.gmfdiag.css.engine.ModelCSSEngine;
import org.eclipse.papyrus.infra.gmfdiag.css.notation.CSSDiagram;
import org.eclipse.papyrus.infra.gmfdiag.css.notation.CSSStyles;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.Activator;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.creation.StyleSheetFactory;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.databinding.DiagramStyleSheetObservableList;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.databinding.ModelStyleSheetObservableList;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.provider.CSSStyleSheetContentProvider;
import org.eclipse.papyrus.infra.gmfdiag.css.properties.provider.CSSStyleSheetLabelProvider;
import org.eclipse.papyrus.infra.gmfdiag.css.provider.CSSClassContentProvider;
import org.eclipse.papyrus.infra.gmfdiag.css.resource.CSSNotationResource;
import org.eclipse.papyrus.infra.gmfdiag.css.stylesheets.ModelStyleSheets;
import org.eclipse.papyrus.infra.gmfdiag.css.stylesheets.StylesheetsFactory;
import org.eclipse.papyrus.infra.gmfdiag.css.stylesheets.StylesheetsPackage;
import org.eclipse.papyrus.infra.gmfdiag.properties.modelelement.CustomStyleModelElement;
import org.eclipse.papyrus.infra.widgets.creation.ReferenceValueFactory;
import org.eclipse.papyrus.infra.widgets.creation.StringEditionFactory;
import org.eclipse.papyrus.infra.widgets.providers.IStaticContentProvider;
import org.eclipse.papyrus.views.properties.contexts.DataContextElement;
public class CSSModelElement extends CustomStyleModelElement {
public CSSModelElement(View source, DataContextElement context) {
super(source, context);
}
public CSSModelElement(View source, EditingDomain domain, DataContextElement element) {
super(source, domain, element);
}
@Override
public ReferenceValueFactory getValueFactory(String propertyPath) {
if (CSSStyles.CSS_DIAGRAM_STYLESHEETS_KEY.equals(propertyPath)) {
return new StyleSheetFactory((View) this.source);
}
if (CSSStyles.CSS_MODEL_STYLESHEETS_KEY.equals(propertyPath)) {
return new StyleSheetFactory((View) this.source);
}
if (CSSStyles.CSS_GMF_CLASS_KEY.equals(propertyPath)) {
StringEditionFactory factory = new StringEditionFactory();
factory.setContentProvider(getContentProvider(propertyPath));
return factory;
}
return super.getValueFactory(propertyPath);
}
@Override
public IObservable doGetObservable(String propertyPath) {
if (CSSStyles.CSS_DIAGRAM_STYLESHEETS_KEY.equals(propertyPath)) {
return new DiagramStyleSheetObservableList((View) source, domain, propertyPath);
}
if (CSSStyles.CSS_MODEL_STYLESHEETS_KEY.equals(propertyPath)) {
// Get the resource
final Resource notationResource = source.eResource();
if (notationResource == null) { // May happen e.g. during deletion of the diagram
return null;
}
// Get the model styleSheet Object
Object modelStyleSheetObject = EcoreUtil.getObjectByType(notationResource.getContents(), StylesheetsPackage.Literals.MODEL_STYLE_SHEETS);
// The model styleSheet
final ModelStyleSheets modelStyleSheetsSource = modelStyleSheetObject instanceof ModelStyleSheets ? (ModelStyleSheets) modelStyleSheetObject : StylesheetsFactory.eINSTANCE.createModelStyleSheets();
// If the modelStylesheet doesn't exist
if (!(modelStyleSheetObject instanceof ModelStyleSheets)) {
try {
org.eclipse.papyrus.infra.core.sasheditor.di.contentprovider.utils.TransactionHelper.run(domain, new Runnable() {
public void run() {
// Add modelStylesheet to the resource without command
notationResource.getContents().add(modelStyleSheetsSource);
}
});
} catch (Exception e) {
Activator.log.error(e);
}
// Initialize the adapter of the engine to listen model styleSheet
ExtendedCSSEngine engine = ((CSSNotationResource) notationResource).getModelEngine();
if (engine instanceof ModelCSSEngine) {
((ModelCSSEngine) engine).initAdapter();
}
}
return new ModelStyleSheetObservableList(notationResource, modelStyleSheetsSource.getStylesheets(), domain, modelStyleSheetsSource, StylesheetsPackage.Literals.MODEL_STYLE_SHEETS__STYLESHEETS);
}
return super.doGetObservable(propertyPath);
}
@Override
public ILabelProvider getLabelProvider(String propertyPath) {
if (CSSStyles.CSS_DIAGRAM_STYLESHEETS_KEY.equals(propertyPath)) {
return new CSSStyleSheetLabelProvider();
}
if (CSSStyles.CSS_MODEL_STYLESHEETS_KEY.equals(propertyPath)) {
return new CSSStyleSheetLabelProvider();
}
return super.getLabelProvider(propertyPath);
}
@Override
public IStaticContentProvider getContentProvider(String propertyPath) {
if (propertyPath.equals(CSSStyles.CSS_DIAGRAM_STYLESHEETS_KEY)) {
return new CSSStyleSheetContentProvider(source);
}
if (propertyPath.equals(CSSStyles.CSS_MODEL_STYLESHEETS_KEY)) {
return new CSSStyleSheetContentProvider(source);
}
if (propertyPath.equals(CSSStyles.CSS_GMF_CLASS_KEY)) {
Diagram diagram = ((View) source).getDiagram();
if (diagram instanceof CSSDiagram) {
EObject semanticElement = ((View) source).getElement();
if (semanticElement != null) {
// TODO: For Diagrams, we should use the right DiagramKind (See GMFElementAdapter)
// Until then, we list all available classes (*)
String elementName = source instanceof Diagram ? "*" : semanticElement.eClass().getName();
return new CSSClassContentProvider(elementName, ((CSSDiagram) diagram).getEngine());
}
}
return null;
}
return null;
}
@Override
public boolean isUnique(String propertyPath) {
if (CSSStyles.CSS_DIAGRAM_STYLESHEETS_KEY.equals(propertyPath)) {
return true;
}
if (CSSStyles.CSS_MODEL_STYLESHEETS_KEY.equals(propertyPath)) {
return true;
}
return super.isUnique(propertyPath);
}
}
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