public void ungroupCluster(Cluster cluster) {
GraphModel gm = Lookup.getDefault().lookup(GraphController.class).getModel();
if (gm != null) {
HierarchicalGraph graph = gm.getHierarchicalGraphVisible();
graph.ungroupNodes(cluster.getMetaNode());
cluster.setMetaNode(null);
}
}
public void groupCluster(Cluster cluster) {
GraphModel gm = Lookup.getDefault().lookup(GraphController.class).getModel();
if (gm != null) {
HierarchicalGraph graph = gm.getHierarchicalGraphVisible();
Node[] newGroup = cluster.getNodes();
float centroidX = 0;
float centroidY = 0;
int len = 0;
Node group = graph.groupNodes(newGroup);
cluster.setMetaNode(group);
group.getNodeData().setLabel("Group");
group.getNodeData().setSize(10f);
for (Node child : newGroup) {
centroidX += child.getNodeData().x();
centroidY += child.getNodeData().y();
len++;
}
centroidX /= len;
centroidY /= len;
group.getNodeData().setX(centroidX);
group.getNodeData().setY(centroidY);
}
}
public boolean canUngroup(Cluster cluster) {
return cluster.getMetaNode() != null;
}
public void selectCluster(Cluster cluster) {
SelectionManager selectionManager = VizController.getInstance().getSelectionManager();
selectionManager.resetSelection();
selectionManager.selectNodes(cluster.getNodes());
}