public DisplayTree search(NodeTree tree, String targetString)
{
// memory to maintain unvisited children
List <Node> queue = new List <Node>();
// iterate over all nodes (breadth first search)
queue.Add(tree.GetTreeA());
int currentLevelCount = 1;
int nextLevelCount = 0;
int currentLevel = 1;
Console.WriteLine("First Level: " + currentLevel);
Node currentNode = null;
// counter to begin iterating over newly added children to instantiate display nodes
int displayIterBegin = 1;
// counter to end iterating over newly added children to instantiate display nodes
int displayIterEnd = 1;
// test if display tree has been instantiated
if (displayTree == null)
{
displayTree = new DisplayTree(width, height, nodeSize);
}
DisplayNode currentParentDisplayNode = new DisplayNode();
// add the root display node
displayTree.AddDisplayNode(queue.ElementAt(0), null, currentLevel, 1, nextLevelCount, currentParentDisplayNode);
List <DisplayNode> childDisplayNodes = new List <DisplayNode>();
List <DisplayNode> parentDisplayNodes = new List <DisplayNode>();
parentDisplayNodes.Add(currentParentDisplayNode);
List <Node> childNodes = new List <Node>();
while (queue.Count > 0)
{
currentNode = queue.ElementAt(0);
queue.RemoveAt(0);
// get current parent display node
currentParentDisplayNode = parentDisplayNodes.ElementAt(0);
parentDisplayNodes.RemoveAt(0);
Console.WriteLine("Current Node Str: " + currentNode.getNodeStr());
Node currentNodeChild = null;
while ((currentNodeChild = currentNode.getNextChild()) != null)
{
queue.Add(currentNodeChild);
nextLevelCount++;
displayIterEnd++;
DisplayNode displayNode = new DisplayNode();
displayNode.SetParent(currentParentDisplayNode);
childDisplayNodes.Add(displayNode);
childNodes.Add(currentNodeChild);
}
currentLevelCount--;
if (queue.Count > 0)
{
if (currentLevelCount == 0)
{
parentDisplayNodes.Clear();
currentLevel++;
for (int levelCounter = 0; levelCounter < childDisplayNodes.Count; levelCounter++)
{
// add the display node
displayTree.AddDisplayNode(childNodes.ElementAt(levelCounter), childDisplayNodes.ElementAt(levelCounter).GetParent(), currentLevel, nextLevelCount, levelCounter, childDisplayNodes.ElementAt(levelCounter));
parentDisplayNodes.Add(childDisplayNodes.ElementAt(levelCounter));
}
Console.WriteLine("Level has incremented! " + currentLevel);
currentLevelCount = nextLevelCount;
nextLevelCount = 0;
childDisplayNodes.Clear();
childNodes.Clear();
}
}
}
Console.WriteLine("Final Current Level: " + currentLevel);
displayTree.CalculateDisplayTreeYValues(currentLevel);
return(displayTree);
}
