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CDInterfaceNodeDescriptionProvider.java
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CDInterfaceNodeDescriptionProvider.java
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/*******************************************************************************
* Copyright (c) 2023 Obeo.
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.sirius.web.sample.papaya.view.classdiagram;
import java.util.Objects;
import org.eclipse.sirius.components.view.ViewFactory;
import org.eclipse.sirius.components.view.builder.IViewDiagramElementFinder;
import org.eclipse.sirius.components.view.builder.providers.IColorProvider;
import org.eclipse.sirius.components.view.builder.providers.INodeDescriptionProvider;
import org.eclipse.sirius.components.view.diagram.DiagramDescription;
import org.eclipse.sirius.components.view.diagram.DiagramFactory;
import org.eclipse.sirius.components.view.diagram.NodeDescription;
import org.eclipse.sirius.components.view.diagram.SynchronizationPolicy;
import org.eclipse.sirius.web.sample.papaya.view.PapayaToolsFactory;
import org.eclipse.sirius.web.sample.papaya.view.PapayaViewBuilder;
/**
* Used to create the interface node description.
*
* @author sbegaudeau
*/
public class CDInterfaceNodeDescriptionProvider implements INodeDescriptionProvider {
public static final String NAME = "CD Node Interface";
private final IColorProvider colorProvider;
public CDInterfaceNodeDescriptionProvider(IColorProvider colorProvider) {
this.colorProvider = Objects.requireNonNull(colorProvider);
}
@Override
public NodeDescription create() {
var nodeStyle = DiagramFactory.eINSTANCE.createRectangularNodeStyleDescription();
nodeStyle.setColor(this.colorProvider.getColor("color_blue_3"));
nodeStyle.setBorderColor(this.colorProvider.getColor("border_blue_2"));
nodeStyle.setLabelColor(this.colorProvider.getColor("label_white"));
nodeStyle.setWithHeader(true);
nodeStyle.setDisplayHeaderSeparator(true);
var builder = new PapayaViewBuilder();
var domainType = builder.domainType(builder.entity("Interface"));
var nodeDescription = DiagramFactory.eINSTANCE.createNodeDescription();
nodeDescription.setName(NAME);
nodeDescription.setDomainType(domainType);
nodeDescription.setSemanticCandidatesExpression("aql:self.types");
nodeDescription.setChildrenLayoutStrategy(DiagramFactory.eINSTANCE.createListLayoutStrategyDescription());
nodeDescription.setLabelExpression("aql:self.name");
nodeDescription.setStyle(nodeStyle);
nodeDescription.setSynchronizationPolicy(SynchronizationPolicy.UNSYNCHRONIZED);
var nodePalette = DiagramFactory.eINSTANCE.createNodePalette();
nodeDescription.setPalette(nodePalette);
nodePalette.setLabelEditTool(new PapayaToolsFactory().editName());
nodePalette.setDeleteTool(new PapayaToolsFactory().deleteTool());
var extendsInterfaceEdgeTool = DiagramFactory.eINSTANCE.createEdgeTool();
extendsInterfaceEdgeTool.setName("Extends Interface");
extendsInterfaceEdgeTool.getTargetElementDescriptions().add(nodeDescription);
var changeContext = ViewFactory.eINSTANCE.createChangeContext();
changeContext.setExpression("aql:semanticEdgeSource");
var setTargetValue = ViewFactory.eINSTANCE.createSetValue();
setTargetValue.setFeatureName("extends");
setTargetValue.setValueExpression("aql:semanticEdgeTarget");
changeContext.getChildren().add(setTargetValue);
extendsInterfaceEdgeTool.getBody().add(changeContext);
nodePalette.getEdgeTools().add(extendsInterfaceEdgeTool);
return nodeDescription;
}
@Override
public void link(DiagramDescription diagramDescription, IViewDiagramElementFinder cache) {
var optionalInterfaceNodeDescription = cache.getNodeDescription(NAME);
var optionalPackageNodeDescription = cache.getNodeDescription(CDPackageNodeDescriptionProvider.NAME);
if (optionalPackageNodeDescription.isPresent() && optionalInterfaceNodeDescription.isPresent()) {
optionalPackageNodeDescription.get().getChildrenDescriptions().add(optionalInterfaceNodeDescription.get());
}
}
}