/// <summary>
/// Adds a gesture to the graph
/// </summary>
/// <param name="g">the gesture to add to the graph</param>
public void AddGesture(Gesture g)
{
ReturnToRoot();
//travel through tree, adding nodes as necessary
int[] sequence = g.GetSequence();
for (int i = 0; i < sequence.Length; i++)
{
if (!NextDirExists(sequence[i]))
{
currentNode.leafNodes[sequence[i]] = new Node(null);
SelectNode(sequence[i]);
}
else
{
SelectNode(sequence[i]);
}
}
//will now be at the final node
currentNode.gesture = g;
//adds gesture to list of all gestures. Basically a lazy way of finding all gestures without traversing the tree
if (g != null)
{
allGestures.Add(g);
}
}
/// <summary>
/// Removes a gesture from the graph
/// </summary>
/// <param name="g">the gesture to remove from the graph</param>
public void RemoveGesture(Gesture g)
{
ReturnToRoot();
//travel through tree, adding nodes as necessary
int[] sequence = g.GetSequence();
for (int i = 0; i < sequence.Length; i++)
{
SelectNode(sequence[i]);
}
//will now be at the final node
//remove the gesture
currentNode.gesture = null;
//remove gesture from list
if (g != null)
{
allGestures.Remove(g);
}
}
//
/// <summary>
/// creates a gesture based on the info provided by the user
/// </summary>
/// <param name="name">the name of the gesture</param>
/// <param name="method">the method name for the gesture to invoke</param>
/// <param name="seq">the movement sequence required to activate the gesture</param>
private void CreateGesture(string name, string method, string description, int[] seq)
{
//validate input
MethodInfo theMethod = typeof(Methods).GetMethod(method);
bool isValid = true;
if (theMethod == null) //method doesn't exist
{
MessageBox.Show("METHOD DOESN'T EXIST");
isValid = false;
}
else if (name == "") //no gesture name entered
{
MessageBox.Show("NO NAME ENTERED");
isValid = false;
}
else if (seq.Length == 0) //no sequence entered
{
MessageBox.Show("NO SEQUENCE ENTERED");
isValid = false;
}
else
{
//make sure name and sequence don't match pre-existing gestures
foreach (Gesture g in myGestures.ReturnAllGestures())
{
if (g.GetName() == name) //name already exists
{
MessageBox.Show("A GESTURE WITH THIS NAME ALREADY EXISTS");
isValid = false;
break;
}
else if (g.GetSequence().Length == seq.Length) //test that the sequence isn't already in use
{
int[] gSeq = g.GetSequence();
isValid = false;
for (int i = 0; i < gSeq.Length; i++)
{
if (gSeq[i] != seq[i])
{
isValid = true;
break;
}
}
if (!isValid) //sequence already exists
{
MessageBox.Show("A GESTURE WITH THIS SEQUENCE ALREADY EXISTS");
}
}
}
}
//input valid
if(isValid)
{
//create gesture
Gesture newGesture = new Gesture(name, method, description);
newGesture.SetSequence(seq);
myGestures.AddGesture(newGesture);
//add new gesture to GestureListBox
GestureListBox.Items.Add(name);
//reset textboxes
GestureMethodBox.Text = "";
GestureNameBox.Text = "";
GestureDescriptionBox.Text = "";
//reset gesture sequence
gestureSequenceCreationList = new LinkedList<int>();
DisplayGestureSequence(GestureCreatorSequenceVar, gestureSequenceCreationList.ToArray());
gestureSequenceCreationList.AddFirst(10);
}
}
/// <summary>
/// Node constructor
/// </summary>
/// <param name="g">The gesture assigned to the Node</param>
/// <param name="d">the direction of this node from the previous node</param>
/// <param name="bNode">the previous node</param>
public Node(Gesture g = null)
{
gesture = g;
leafNodes = new Node[8];
}
/// <summary>
/// Creates the 'initialization' node
/// </summary>
private void InitializeNodes()
{
Gesture initialize = new Gesture("Initialize", "N/A", "Must be performed before any other gesture");
initialize.SetSequence(new int[]{4, 0});
myGestures.AddGesture(initialize);
GestureListBox.Items.Add("Initialize");
}
