Examples with ElkNode org.eclipse.elk.graph.ElkNode used on opensource projects

Example 1 with ElkNode

use of org.eclipse.elk.graph.ElkNode in project sirius-components by eclipse-sirius.

the class DiagramConverterTests method testDiagramOneNodeAndOneBorderNode.

@Test
public void testDiagramOneNodeAndOneBorderNode() {
    ImageSizeProvider imageSizeProvider = new ImageSizeProvider();
    ELKDiagramConverter diagramConverter = new ELKDiagramConverter(this.textBoundsService, imageSizeProvider);
    // @formatter:off
    TestDiagramBuilder diagramBuilder = new TestDiagramBuilder();
    Node borderNode = Node.newNode(diagramBuilder.getNode(FIRST_NODE_ID)).style(diagramBuilder.getRectangularNodeStyle()).build();
    Node node = Node.newNode(diagramBuilder.getNode(SECOND_NODE_ID)).style(diagramBuilder.getImageNodeStyle()).borderNodes(List.of(borderNode)).build();
    Diagram diagram = Diagram.newDiagram(diagramBuilder.getDiagram(DIAGRAM_ID)).nodes(List.of(node)).build();
    // @formatter:on
    ELKConvertedDiagram convertedDiagram = diagramConverter.convert(diagram);
    ElkNode elkDiagram = convertedDiagram.getElkDiagram();
    assertThat(elkDiagram.getChildren().size()).isEqualTo(1);
    ElkNode elkNode = elkDiagram.getChildren().get(0);
    assertThat(elkNode.getPorts().size()).isEqualTo(1);
    ElkPort elkPort = elkNode.getPorts().get(0);
    assertThat(elkPort.getIdentifier()).isEqualTo(borderNode.getId().toString());
    imageSizeProvider.dispose();
}

Example 2 with ElkNode

use of org.eclipse.elk.graph.ElkNode in project sirius-components by eclipse-sirius.

the class DiagramConverterTests method testDiagramOneEdgeBetweenTwoBorderNodes.

@Test
public void testDiagramOneEdgeBetweenTwoBorderNodes() {
    ImageSizeProvider imageSizeProvider = new ImageSizeProvider();
    ELKDiagramConverter diagramConverter = new ELKDiagramConverter(this.textBoundsService, imageSizeProvider);
    // @formatter:off
    TestDiagramBuilder diagramBuilder = new TestDiagramBuilder();
    Node firstBorderNode = Node.newNode(diagramBuilder.getNode(FIRST_NODE_ID)).style(diagramBuilder.getRectangularNodeStyle()).build();
    Node secondBorderNode = Node.newNode(diagramBuilder.getNode(SECOND_NODE_ID)).style(diagramBuilder.getRectangularNodeStyle()).build();
    Node node = Node.newNode(diagramBuilder.getNode(THIRD_NODE_ID)).style(diagramBuilder.getImageNodeStyle()).borderNodes(List.of(firstBorderNode, secondBorderNode)).build();
    Edge edge = Edge.newEdge(diagramBuilder.getEdge(FIRST_EDGE_ID, firstBorderNode.getId(), secondBorderNode.getId())).build();
    Diagram diagram = Diagram.newDiagram(diagramBuilder.getDiagram(DIAGRAM_ID)).nodes(List.of(node)).edges(List.of(edge)).build();
    // @formatter:on
    ELKConvertedDiagram convertedDiagram = diagramConverter.convert(diagram);
    ElkNode elkDiagram = convertedDiagram.getElkDiagram();
    assertThat(elkDiagram.getChildren().size()).isEqualTo(1);
    assertThat(elkDiagram.getChildren().get(0)).isInstanceOf(ElkNode.class);
    assertThat(elkDiagram.getContainedEdges().size()).isEqualTo(1);
    assertThat(elkDiagram.getContainedEdges().get(0)).isInstanceOf(ElkEdge.class);
    ElkEdge elkEdge = elkDiagram.getContainedEdges().get(0);
    assertThat(elkEdge.getSources().size()).isEqualTo(1);
    assertThat(elkEdge.getSources().get(0).getIdentifier()).isEqualTo(firstBorderNode.getId().toString());
    assertThat(elkEdge.getTargets().size()).isEqualTo(1);
    assertThat(elkEdge.getTargets().get(0).getIdentifier()).isEqualTo(secondBorderNode.getId().toString());
    imageSizeProvider.dispose();
}

Example 3 with ElkNode

use of org.eclipse.elk.graph.ElkNode in project sirius-components by eclipse-sirius.

the class DiagramConverterTests method testDiagramOneNodeAndOneEdge.

@Test
public void testDiagramOneNodeAndOneEdge() {
    ImageSizeProvider imageSizeProvider = new ImageSizeProvider();
    ELKDiagramConverter diagramConverter = new ELKDiagramConverter(this.textBoundsService, imageSizeProvider);
    // @formatter:off
    TestDiagramBuilder diagramBuilder = new TestDiagramBuilder();
    Node node = Node.newNode(diagramBuilder.getNode(FIRST_NODE_ID)).style(diagramBuilder.getImageNodeStyle()).build();
    Edge edge = Edge.newEdge(diagramBuilder.getEdge(FIRST_EDGE_ID, node.getId(), node.getId())).build();
    Diagram diagram = Diagram.newDiagram(diagramBuilder.getDiagram(DIAGRAM_ID)).nodes(List.of(node)).edges(List.of(edge)).build();
    // @formatter:on
    ELKConvertedDiagram convertedDiagram = diagramConverter.convert(diagram);
    ElkNode elkDiagram = convertedDiagram.getElkDiagram();
    assertThat(elkDiagram.getContainedEdges().size()).isEqualTo(1);
    ElkEdge elkEdge = elkDiagram.getContainedEdges().get(0);
    assertThat(elkEdge.getIdentifier()).isEqualTo(edge.getId().toString());
    imageSizeProvider.dispose();
}

Example 4 with ElkNode

use of org.eclipse.elk.graph.ElkNode in project sirius-components by eclipse-sirius.

the class LayoutService method layout.

@Override
public Diagram layout(IEditingContext editingContext, Diagram diagram) {
    ELKConvertedDiagram convertedDiagram = this.elkDiagramConverter.convert(diagram);
    ElkNode elkDiagram = convertedDiagram.getElkDiagram();
    // @formatter:off
    var optionalDiagramDescription = this.representationDescriptionSearchService.findById(editingContext, diagram.getDescriptionId()).filter(DiagramDescription.class::isInstance).map(DiagramDescription.class::cast);
    // @formatter:on
    ISiriusWebLayoutConfigurator layoutConfigurator;
    if (optionalDiagramDescription.isPresent()) {
        var diagramDescription = optionalDiagramDescription.get();
        elkDiagram = this.layoutConfiguratorRegistry.applyBeforeLayout(elkDiagram, editingContext, diagram, diagramDescription);
        layoutConfigurator = this.layoutConfiguratorRegistry.getLayoutConfigurator(diagram, diagramDescription);
    } else {
        layoutConfigurator = this.layoutConfiguratorRegistry.getDefaultLayoutConfigurator();
    }
    ElkUtil.applyVisitors(elkDiagram, layoutConfigurator);
    IGraphLayoutEngine engine = new RecursiveGraphLayoutEngine();
    engine.layout(elkDiagram, new BasicProgressMonitor());
    if (optionalDiagramDescription.isPresent()) {
        var diagramDescription = optionalDiagramDescription.get();
        elkDiagram = this.layoutConfiguratorRegistry.applyAfterLayout(elkDiagram, editingContext, diagram, diagramDescription);
    }
    Map<String, ElkGraphElement> id2ElkGraphElements = convertedDiagram.getId2ElkGraphElements();
    Diagram layoutedDiagram = this.elkLayoutedDiagramProvider.getLayoutedDiagram(diagram, elkDiagram, id2ElkGraphElements);
    if (this.logger.isDebugEnabled()) {
        // @formatter:off
        String json = ElkGraphJson.forGraph(elkDiagram).omitLayout(true).omitZeroDimension(true).omitZeroPositions(true).shortLayoutOptionKeys(false).prettyPrint(true).toJson();
        // @formatter:on
        this.logger.debug(json);
    }
    return layoutedDiagram;
}

Example 5 with ElkNode

use of org.eclipse.elk.graph.ElkNode in project sirius-components by eclipse-sirius.

the class ELKDiagramConverter method convert.

@Override
public ELKConvertedDiagram convert(Diagram diagram) {
    Diagram initializedDiagram = this.initializeDiagram(diagram);
    ElkNode elkDiagram = this.convertDiagram(initializedDiagram);
    Map<String, ElkGraphElement> id2ElkGraphElements = new HashMap<>();
    Map<String, ElkConnectableShape> connectableShapeIndex = new LinkedHashMap<>();
    initializedDiagram.getNodes().stream().forEach(node -> this.convertNode(node, elkDiagram, connectableShapeIndex, id2ElkGraphElements));
    initializedDiagram.getEdges().stream().forEach(edge -> this.convertEdge(edge, elkDiagram, connectableShapeIndex, id2ElkGraphElements));
    return new ELKConvertedDiagram(elkDiagram, id2ElkGraphElements);
}