Examples with Graph2D y.view.Graph2D used on opensource projects

Example 1 with Graph2D

use of y.view.Graph2D in project binnavi by google.

the class CGraphBuilder method buildGraph.

/**
   * Builds a displayable graph from a view.
   *
   * @param view The view to be turned into a graph.
   *
   * @return The generated graph.
   * @throws LoadCancelledException Thrown if loading the graph was canceled.
   */
public static ZyGraph buildGraph(final INaviView view) throws LoadCancelledException {
    Preconditions.checkNotNull(view, "IE01763: View argument can't be null");
    final Pair<Map<String, String>, ZyGraphViewSettings> viewSettings = loadSettings(view);
    final Map<String, String> rawSettings = viewSettings.first();
    final ZyGraphViewSettings graphSettings = viewSettings.second();
    graphSettings.rawSettings = rawSettings;
    final ZyGraphBuilder builder = new ZyGraphBuilder();
    ZyGraphBuilderManager.instance().setBuilder(view, builder);
    final Graph2D graph = builder.convert(view.getGraph().getNodes(), view.getGraph().getEdges(), graphSettings, view.getType() == ViewType.Native);
    final ZyGraph2DView graphView = new ZyGraph2DView(graph);
    final ZyGraph zyGraph = new ZyGraph(view, builder.getNodeMap(), builder.getEdgeMap(), graphSettings, graphView);
    zyGraph.getView().setCenter(CViewSettingsGenerator.createDoubleSetting(rawSettings, "view_center_x", 0), CViewSettingsGenerator.createDoubleSetting(rawSettings, "view_center_y", 0));
    zyGraph.getView().setWorldRect(CViewSettingsGenerator.createIntegerSetting(rawSettings, "world_rect_x", 0), CViewSettingsGenerator.createIntegerSetting(rawSettings, "world_rect_y", 0), CViewSettingsGenerator.createIntegerSetting(rawSettings, "world_rect_width", 800), CViewSettingsGenerator.createIntegerSetting(rawSettings, "world_rect_height", 600));
    zyGraph.getView().setZoom(CViewSettingsGenerator.createDoubleSetting(rawSettings, "zoom", 1));
    ZyGraphBuilderManager.instance().removeBuilder(view);
    return zyGraph;
}

Example 2 with Graph2D

use of y.view.Graph2D in project binnavi by google.

the class ZyGraphBuilder method convert.

/**
   * Converts a view to a Graph2D object.
   *
   * @param nodes Nodes to convert.
   * @param edges Edges to convert.
   * @param graphSettings Graph settings used to build the graph.
   * @param adjustColors True, to initialize the colors of the nodes. False, otherwise.
   *
   * @return The created Graph2D object.
   * @throws LoadCancelledException Thrown if loading the graph was cancelled.
   */
public Graph2D convert(final Collection<INaviViewNode> nodes, final Collection<INaviEdge> edges, final ZyGraphViewSettings graphSettings, final boolean adjustColors) throws LoadCancelledException {
    Preconditions.checkNotNull(nodes, "IE00905: View can not be null");
    Preconditions.checkNotNull(edges, "IE00906: Edges argument can not be null");
    if (!m_loadReporter.report(GraphBuilderEvents.Started)) {
        throw new LoadCancelledException();
    }
    m_loadReporter.start();
    final Graph2D graph2D = new Graph2D();
    final HierarchyManager hierarchyManager = new HierarchyManager(graph2D);
    graph2D.setHierarchyManager(hierarchyManager);
    hierarchyManager.addHierarchyListener(new GroupNodeRealizer.StateChangeListener());
    checkCancellation(GraphBuilderEvents.InitializedGraph);
    // Keep track of all connections between view nodes and yfiles nodes
    final HashMap<INaviViewNode, Node> rawNodeToNodeMap = new HashMap<INaviViewNode, Node>();
    // To convert the view into a Graph2D object, it is necessary to convert every node
    // and every edge from the view into the corresponding yfiles objects.
    convertNodes(nodes, graph2D, rawNodeToNodeMap, graphSettings);
    checkCancellation(GraphBuilderEvents.ConvertedNodes);
    convertEdges(edges, graph2D, rawNodeToNodeMap, adjustColors);
    checkCancellation(GraphBuilderEvents.ConvertedEdges);
    setupGroupNodes(nodes, graph2D, rawNodeToNodeMap);
    checkCancellation(GraphBuilderEvents.CreatedGroupNodes);
    checkCancellation(GraphBuilderEvents.Finished);
    return graph2D;
}

Example 3 with Graph2D

use of y.view.Graph2D in project binnavi by google.

the class ZyGroupNodeRealizer method moveContent.

private void moveContent(final double dx, final double dy) {
    final Graph2D graph = (Graph2D) m_userData.getNode().getNode().getGraph();
    final HierarchyManager hm = graph.getHierarchyManager();
    // Find the children contained in the given group node.
    final NodeList childNodes = new NodeList();
    addChildren(hm, getNode(), childNodes);
    // Move the children.
    moveNodes(graph, childNodes.nodes(), dx, dy);
}

Example 4 with Graph2D

use of y.view.Graph2D in project binnavi by google.

the class ZyNodeRealizer method scalePortCoordinates.

protected void scalePortCoordinates(final Node node, final double wOld, final double wNew, final double hOld, final double hNew) {
    final Graph2D graph = (Graph2D) node.getGraph();
    final double wScaling = wOld > 0 ? wNew / wOld : 1.0d;
    final double hScaling = hOld > 0 ? hNew / hOld : 1.0d;
    for (Edge e = node.firstOutEdge(); e != null; e = e.nextOutEdge()) {
        final EdgeRealizer er = graph.getRealizer(e);
        final Port port = er.getSourcePort();
        final double px = port.getOffsetX() * wScaling;
        final double py = port.getOffsetY() * hScaling;
        port.setOffsets(px, py);
        graph.setSourcePointRel(e, new YPoint(px, py));
    }
    for (Edge e = node.firstInEdge(); e != null; e = e.nextInEdge()) {
        final EdgeRealizer er = graph.getRealizer(e);
        final Port port = er.getTargetPort();
        final double px = port.getOffsetX() * wScaling;
        final double py = port.getOffsetY() * hScaling;
        port.setOffsets(px, py);
        graph.setTargetPointRel(e, new YPoint(px, py));
    }
}

Example 5 with Graph2D

use of y.view.Graph2D in project binnavi by google.

the class YHelpers method openFolder.

/**
   * Opens a folder node.
   * 
   * @param graph The graph the folder node belongs to.
   * @param folderNode The folder node to be opened.
   */
public static void openFolder(final Graph2D graph, final Node folderNode) {
    Preconditions.checkNotNull(graph, "Error: Graph argument can not be null");
    Preconditions.checkNotNull(folderNode, "Error: Folder node argument can not be null");
    final HierarchyManager hierarchy = graph.getHierarchyManager();
    final double w = graph.getWidth(folderNode);
    final double h = graph.getHeight(folderNode);
    final NodeList folderNodes = new NodeList();
    folderNodes.add(folderNode);
    graph.firePreEvent();
    for (final NodeCursor nc = folderNodes.nodes(); nc.ok(); nc.next()) {
        // get original location of folder node
        final Graph2D innerGraph = (Graph2D) hierarchy.getInnerGraph(nc.node());
        final YPoint folderP = graph.getLocation(nc.node());
        final NodeList innerNodes = new NodeList(innerGraph.nodes());
        hierarchy.openFolder(nc.node());
        // get new location of group node
        final Rectangle2D.Double gBox = graph.getRealizer(nc.node()).getBoundingBox();
        // move grouped nodes to former location of folder node
        LayoutTool.moveSubgraph(graph, innerNodes.nodes(), folderP.x - gBox.x, folderP.y - gBox.y);
    }
    graph.firePostEvent();
    graph.unselectAll();
    for (final NodeCursor nc = folderNodes.nodes(); nc.ok(); nc.next()) {
        graph.setSelected(nc.node(), true);
    }
    // to the node
    if ((w != graph.getWidth(folderNode)) || (h != graph.getHeight(folderNode))) {
        for (final EdgeCursor ec = folderNode.outEdges(); ec.ok(); ec.next()) {
            graph.setSourcePointRel(ec.edge(), YPoint.ORIGIN);
        }
        for (final EdgeCursor ec = folderNode.inEdges(); ec.ok(); ec.next()) {
            graph.setTargetPointRel(ec.edge(), YPoint.ORIGIN);
        }
    }
    graph.updateViews();
}