/**
* get the starting node of the sequence in where the current node is sitting in
*
* @deprecated use getViewStartingNode
* @param node
* @param graph
* @return
*/
@Deprecated
private Node getStartingNode(Node node, Graph2D graph) {
if (_viewModel.getStartingViewNodeList().contains(node)) {
return node;
} else {
NodeCursor pres = node.predecessors();
Edge edge;
Node currentNode = node;
EdgeMap edgeMap = (EdgeMap) graph.getDataProvider(EdgeMapKeys.EDGE_INFO);
Node preNode = currentNode;
while (pres.ok()) {
for (; pres.ok(); pres.next()) {
edge = currentNode.getEdge(pres.node());
EdgeType edgeType = ((SViewEdgeInfo) edgeMap.get(edge)).getType();
if ((edgeType == EdgeType.REGULAR) || (edgeType == EdgeType.MODIFIED_P)) {
currentNode = pres.node();
break;
}
}
if (currentNode != preNode) {
pres = currentNode.predecessors();
preNode = currentNode;
} else {
break;
}
}
if (_viewModel.getStartingViewNodeList().contains(currentNode)) {
return currentNode;
} else {
return null;
}
}
}
