void DisplayObjectService_DisplayObjectVisibleChanged(object sender, DisplayObjectEventArgs e)
{
string[] groups = DisplayObjectService.GetGroups(e.DisplayObject);
string name = DisplayObjectService.GetDisplayName(e.DisplayObject);
TreeNodeCollection parentCollection = this.Nodes;
for (int i = 0; i < groups.Length; i++)
{
// if the group node doesn't exist, get out
if (!parentCollection.ContainsKey(groups[i]))
{
return;
}
parentCollection = parentCollection[groups[i]].Nodes;
}
// we have the collection for the immediate parent
if (parentCollection.ContainsKey(name))
{
if (Services.DisplayObjectService.IsVisible(e.DisplayObject))
{
parentCollection[name].NodeFont = boldFont;
}
else
{
parentCollection[name].NodeFont = this.Font;
}
}
}
void DisplayObjectService_DisplayObjectAdded(object sender, DisplayObjectEventArgs e)
{
// add to the nodes
string[] groups = DisplayObjectService.GetGroups(e.DisplayObject);
string name = DisplayObjectService.GetDisplayName(e.DisplayObject);
TreeNodeCollection parentCollection = this.Nodes;
for (int i = 0; i < groups.Length; i++)
{
TreeNode node = null;
if (parentCollection.ContainsKey(groups[i]))
{
node = parentCollection[groups[i]];
}
else
{
node = new TreeNode(groups[i]);
node.SelectedImageKey = node.ImageKey = "folder closed";
node.Name = groups[i];
parentCollection.Add(node);
}
node.Expand();
parentCollection = node.Nodes;
}
// we have the collection for the immediate parent
// add the node if it doesn't exist
if (!parentCollection.ContainsKey(name))
{
TreeNode node = new TreeNode(name);
node.Name = name;
node.Tag = e.DisplayObject;
node.SelectedImageKey = node.ImageKey = "display object";
if (Services.DisplayObjectService.IsVisible(e.DisplayObject))
{
node.NodeFont = boldFont;
}
parentCollection.Add(node);
// walk to the root and expand all
while (node.Parent != null)
{
node = node.Parent;
node.Expand();
}
}
}
void DisplayObjectService_DisplayObjectRemoved(object sender, DisplayObjectEventArgs e)
{
string[] groups = DisplayObjectService.GetGroups(e.DisplayObject);
string name = DisplayObjectService.GetDisplayName(e.DisplayObject);
TreeNode parentNode = null;
TreeNodeCollection parentCollection = this.Nodes;
for (int i = 0; i < groups.Length; i++)
{
// if the group node doesn't exist, get out
if (!parentCollection.ContainsKey(groups[i]))
{
return;
}
parentNode = parentCollection[groups[i]];
parentCollection = parentNode.Nodes;
}
// we have the collection for the immediate parent
if (parentCollection.ContainsKey(name))
{
parentCollection.RemoveByKey(name);
}
// walk up the parents and see if the folder is empty
while (parentNode != null)
{
if (parentCollection.Count == 0)
{
// get the parent node and it's collection
TreeNode removeNode = parentNode;
parentNode = parentNode.Parent;
if (parentNode == null)
{
parentCollection = this.Nodes;
}
else
{
parentCollection = parentNode.Nodes;
}
parentCollection.Remove(removeNode);
}
else
{
break;
}
}
}