Copyright 2008-2010 Gephi

Authors : Eduardo Ramos <eduramiba@gmail.com>

Website : http://www.gephi.org

This file is part of Gephi.

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*/

* Nodes manipulator that links at least 2 different nodes creating edges. Asks the user to select a source node and whether to create directed or undirected edges. It will create edges between the

* source node and all of the other nodes.

*

* @author Eduardo Ramos <eduramiba@gmail.com>

*/

    private Node[] nodes;

    private Node sourceNode;

    private static boolean directed;

    private static GraphModel graphModel;

    public void setup(Node[] nodes, Node clickedNode) {

        this.nodes = nodes;

        this.sourceNode = clickedNode;//Choose clicked node as source by default (but the user can select it or other one in the UI)

        GraphModel currentGraphModel = Lookup.getDefault().lookup(GraphController.class).getModel();

        if (graphModel != currentGraphModel) {//If graph model has changed since last execution, change default mode for edges to create in UI, else keep this parameter across calls

            directed = currentGraphModel.isDirected() || currentGraphModel.isMixed();//Get graph directed state. Set to true if graph is directed or mixed

            graphModel = currentGraphModel;

        }

    }

    public void execute() {

        if (nodes.length > 1) {

            GraphElementsController gec = Lookup.getDefault().lookup(GraphElementsController.class);

            gec.createEdges(sourceNode, nodes, directed);

        }else{

            AddEdgeToGraph manipulator = new AddEdgeToGraph();

            manipulator.setSource(sourceNode);

            DataLaboratoryHelper.getDefault().executeManipulator(manipulator);

        }

    }

    public String getName() {

        return NbBundle.getMessage(LinkNodes.class, "LinkNodes.name");

    }

    public String getDescription() {

        return NbBundle.getMessage(LinkNodes.class, "LinkNodes.description");

    }

    public boolean canExecute() {

        return true;

    }

    public ManipulatorUI getUI() {

        return nodes.length > 1 ? new LinkNodesUI() : null;//Use link nodes UI if more than one node selected, otherwise add edge to graph action will be called in execute.

    }

    public int getType() {

        return 500;

    }

    public int getPosition() {

        return 100;

    }

    public Icon getIcon() {

        return ImageUtilities.loadImageIcon("org/gephi/datalab/plugin/manipulators/resources/edge.png", true);

    }

    public Node[] getNodes() {

        return nodes;

    }

    public Node getSourceNode() {

        return sourceNode;

    }

    public void setSourceNode(Node sourceNode) {

        this.sourceNode = sourceNode;

    }

    public boolean isDirected() {

        return directed;

    }

    public void setDirected(boolean directed) {

        LinkNodes.directed = directed;

    }

}