Examples with DagSubgraph com.randomnoun.build.javaToGraphviz.dag.DagSubgraph used on opensource projects

Example 11 with DagSubgraph

use of com.randomnoun.build.javaToGraphviz.dag.DagSubgraph in project java-to-graphviz by randomnoun.

the class DagStyleApplier method moveToSubgraph.

/**
 * Moves a node into a subgraph (and all that nodes children, and it's childrens children, and it's childrens childrens children and so on and so forth.
 *
 * <p>This is only going to work if we don't clear the DagNode.children collection when we're pruning nodes, which conveniently it appears we don't do.
 *
 * <p>Will rejig the subgraph hierarchy if a child is already in a subgraph
 *
 * @param sg
 * @param dag
 * @param node
 */
public void moveToSubgraph(DagSubgraph sg, DagElement sgEl, Dag dag, Map<DagNode, DagElement> dagNodesToElements, DagNode node) {
    if (dag.dagNodeToSubgraph.containsKey(node)) {
        // throw new IllegalStateException("subgraph already contains node");
        // logger.warn("moving node to new subgraph");
        dag.dagNodeToSubgraph.get(node).nodes.remove(node);
    }
    sg.nodes.add(node);
    dag.dagNodeToSubgraph.put(node, sg);
    for (DagNode child : node.children) {
        // if they're already in a subgraph, that subgraph should become a subgraph of this subgraph.
        // this should always be an immediate subgraph as we're traversing this in depth-first order
        // a node can only be in 1 subgraph at a time.
        DagSubgraph ssg = dag.dagNodeToSubgraph.get(child);
        moveToSubgraph(sg, sgEl, dag, dagNodesToElements, child);
    // @TODO maybe this still needs to happen
    /*
            if (ssg != null) {
                if (ssg.container == sg) {
                    logger.warn("we're already in the right subgraph");
                } else {
                    logger.warn("rejigging subgraphs"); // hoist the rigging
                    ssg.container.getSubgraphs().remove(ssg);
                    sg.subgraphs.add(ssg);
                }
            } else {
                moveToSubgraph(sg, sgEl, dag, dagNodesToElements, child);
            }
            */
    }
}