public TreeView()
: base(GearsetSettings.Instance.TreeViewConfig)
{
Config.Cleared += Config_Cleared;
Config.Filter = String.Empty;
_root = new TreeViewNode("root");
#if XBOX
this.openedTexture = GearsetResources.Content.Load<Texture2D>("close_Xbox360");
this.closedTexture = GearsetResources.Content.Load<Texture2D>("open_Xbox360");
#elif WINDOWS_PHONE
this.openedTexture = GearsetResources.Content.Load<Texture2D>("close_wp");
this.closedTexture = GearsetResources.Content.Load<Texture2D>("open_wp");
#else
_openedTexture = GearsetResources.Content.Load<Texture2D>("close");
_closedTexture = GearsetResources.Content.Load<Texture2D>("open");
#endif
_position = new Vector2(5, 20);
}
/// <summary>
/// Sets the value of a specified key, if the key is not present
/// in the tree, then is added.
/// </summary>
/// <param name="key"></param>
public void Set(String key, Object value)
{
var foundKey = false;
var currentNode = _root;
var remainingName = key;
while (!foundKey) {
_iterationCount++;
String subName;
var foundSubKey = false;
var dotIndex = remainingName.IndexOf('.');
if (dotIndex < 0 || dotIndex >= remainingName.Length) {
subName = remainingName;
remainingName = "";
foundKey = true;
}
else {
subName = remainingName.Remove(dotIndex, remainingName.Length - dotIndex);
remainingName = remainingName.Substring(subName.Length + 1);
}
foreach (var node in currentNode.Nodes) {
if (node.Name == subName) {
currentNode = node;
foundSubKey = true; // A part of the key was found.
break;
}
}
if (!foundSubKey) {
// If there's no subKey, we create it.
var newNode = new TreeViewNode(subName);
currentNode.Nodes.Add(newNode);
currentNode = newNode;
foundSubKey = true; // A part of the key was found (created).
}
}
currentNode.Value = value;
}
void DrawNode(TreeViewNode node, int position, int level)
{
var drawPosition = new Vector2(_position.X + level * 11, _position.Y + position);
if (node.Nodes.Count == 0) {
DrawText(node.Name + ": " + TextHelper.FormatForDebug(node.Value), drawPosition);
}
else {
var color = new Color(1, 1, 1, GearsetResources.GlobalAlpha) * GearsetResources.GlobalAlpha;
if (!node.Open)
GearsetResources.SpriteBatch.Draw(_closedTexture, drawPosition - new Vector2(12, 0), color);
else
GearsetResources.SpriteBatch.Draw(_openedTexture, drawPosition - new Vector2(12, 0), color);
DrawText(node.Name, drawPosition);
}
}
int DrawRecursively(TreeViewNode node, int position, int level)
{
var newPosition = position + 12;
DrawNode(node, position, level);
if (node.Open) {
foreach (var n in node.Nodes) {
newPosition = DrawRecursively(n, newPosition, level + 1);
}
}
return newPosition;
}
int CheckLeftRecursively(TreeViewNode node, int position, int level, Vector2 clickPos)
{
var newPosition = position + 12;
var rect = new Rectangle((int)_position.X + level * 11 - 12, (int)_position.Y + position, _closedTexture.Width, _closedTexture.Height);
if (rect.Contains((int)clickPos.X, (int)clickPos.Y)) {
node.Toggle();
return newPosition;
}
if (node.Open) {
foreach (var n in node.Nodes) {
newPosition = CheckLeftRecursively(n, newPosition, level + 1, clickPos);
}
}
return newPosition;
}
