Examples with Edge org.opennms.features.topology.api.topo.Edge used on opensource projects

Example 36 with Edge

use of org.opennms.features.topology.api.topo.Edge in project opennms by OpenNMS.

the class D3TopoLayoutAlgorithm method updateLayout.

@Override
public void updateLayout(Graph graph) {
    final Layout graphLayout = graph.getLayout();
    SparseGraph<VertexRef, EdgeRef> jungGraph = new SparseGraph<VertexRef, EdgeRef>();
    Collection<Vertex> vertices = graph.getDisplayVertices();
    for (Vertex v : vertices) {
        jungGraph.addVertex(v);
    }
    Collection<Edge> edges = graph.getDisplayEdges();
    for (Edge e : edges) {
        jungGraph.addEdge(e, e.getSource().getVertex(), e.getTarget().getVertex());
    }
    D3TopoLayout<VertexRef, EdgeRef> layout = new D3TopoLayout<VertexRef, EdgeRef>(jungGraph);
    // Initialize the vertex positions to the last known positions from the layout
    Dimension size = selectLayoutSize(graph);
    layout.setInitializer(initializer(graphLayout, (int) size.getWidth() / 2, (int) size.getHeight() / 2));
    // Resize the graph to accommodate the number of vertices
    layout.setSize(size);
    while (!layout.done()) {
        layout.step();
    }
    // Store the new positions in the layout
    for (Vertex v : vertices) {
        graphLayout.setLocation(v, new Point(layout.getX(v) - (size.getWidth() / 2), layout.getY(v) - (size.getHeight() / 2)));
    }
}

Example 37 with Edge

use of org.opennms.features.topology.api.topo.Edge in project opennms by OpenNMS.

the class VEProviderGraphContainer method unselectElementsWhichAreNotVisibleAnymore.

// we have to find out if each selected vertex/edge is still displayable, if not we deselect it.
private static void unselectElementsWhichAreNotVisibleAnymore(Graph graph, SelectionManager selectionManager) {
    if (selectionManager == null)
        return;
    List<VertexRef> selectedVertexRefs = new ArrayList<>(selectionManager.getSelectedVertexRefs());
    List<VertexRef> newSelectedVertexRefs = new ArrayList<>();
    for (VertexRef eachSelectedVertex : selectedVertexRefs) {
        for (Vertex eachDisplayableVertex : graph.getDisplayVertices()) {
            if (eachDisplayableVertex.getNamespace().equals(eachSelectedVertex.getNamespace()) && eachDisplayableVertex.getId().equals(eachSelectedVertex.getId())) {
                newSelectedVertexRefs.add(eachSelectedVertex);
                break;
            }
        }
    }
    List<EdgeRef> selectedEdgeRefs = new ArrayList<>(selectionManager.getSelectedEdgeRefs());
    List<EdgeRef> newSelectedEdgeRefs = new ArrayList<>();
    for (EdgeRef eachSelectedEdgeRef : selectedEdgeRefs) {
        for (Edge eachDisplayableEdge : graph.getDisplayEdges()) {
            if (eachDisplayableEdge.getNamespace().equals(eachSelectedEdgeRef.getNamespace()) && eachDisplayableEdge.getId().equals(eachSelectedEdgeRef.getId())) {
                newSelectedEdgeRefs.add(eachSelectedEdgeRef);
                break;
            }
        }
    }
    // if the selection changed, inform selectionManager
    if (!newSelectedVertexRefs.equals(selectedVertexRefs)) {
        selectionManager.setSelectedVertexRefs(newSelectedVertexRefs);
    }
    if (!newSelectedEdgeRefs.equals(selectedEdgeRefs)) {
        selectionManager.setSelectedEdgeRefs(newSelectedEdgeRefs);
    }
}