public void UpdateNodeText(string text)
{
if (currentNode != null)
{
object item = ((NodeInstance)currentNode.Tag).Instance.Item;
if (item is IHasFullyQualifiedName)
{
currentNode.Text = ((IHasFullyQualifiedName)item).FullyQualfiedName;
}
else
{
currentNode.Text = text;
}
if (item is Symbol)
{
string newSymbolName = ((Symbol)item).Name;
string newStructureName = ((Symbol)item).Structure;
// Update the symbol list if it has changed.
if (symbolName != newSymbolName)
{
// TODO: Yuck. Clean this up so the model is king, and drives any controller, and remove the inc/dec from the respective view!
ApplicationController.SymbolListController.
IfNotNull(ctrl => ctrl.ReplaceSymbol(symbolName, newSymbolName)).
Else(() =>
{
ApplicationModel.DecrementSymbolReference(symbolName);
ApplicationModel.IncrementSymbolReference(newSymbolName);
});
symbolName = newSymbolName;
}
if (structureName != newStructureName)
{
ApplicationController.StructureListController.
IfNotNull(ctrl => ctrl.ReplaceStructure(structureName, newStructureName)).
Else(() =>
{
ApplicationModel.DecrementStructureReference(structureName);
ApplicationModel.IncrementStructureReference(newStructureName);
});
structureName = newStructureName;
}
// If the symbol being selected already exists, copy over the current structure here as well.
// TODO: What happens if the referencing structure changes? We need to update all the types with that reference.
// TODO: Verify that we're at a child node -- we can't have duplicate top level symbols.
if (ApplicationModel.SymbolRefCount[newSymbolName] > 1)
{
CopySymbolStructure(currentNode, newSymbolName);
}
}
}
}
protected void RecurseCollection(NodeDef node, dynamic collection, TreeNode tnCurrent)
{
if (node.Nodes.Count > 0)
{
// Collection is a Dictionary<string, dynamic> where dynamic is a List<T>
// obj is a KeyValuePair<string, dynamic>
foreach (var kvp in collection.Collection)
{
string collectionName = kvp.Key;
var collectionItems = kvp.Value;
// Doesn't matter what nodeDef we find, this is only to get the TypeName and number of child nodes on recursion.
// But it does allow us to separate the serialization order from the tree definition order.
List <NodeDef> matchingNodes = node.Nodes.FindAll(t => t.TypeName.Contains(collectionName));
NodeDef nodeDef = node.Nodes.Find(t => t.TypeName.Contains(collectionName));
foreach (var item in collectionItems)
{
// Do not create new instances for the items, as they have already been created!
IXtreeNode controller = (IXtreeNode)Activator.CreateInstance(Type.GetType(nodeDef.TypeName), new object[] { false });
controller.Item = item;
TreeNode tn = View.AddNode(controller, tnCurrent);
// If the item is a symbol, then we want to also show in the symbol and structure lists the associated symbol and structure!
if (item is Symbol)
{
// TODO: Yuck. Clean this up so the model is king, and drives any controller, and remove the inc/dec from the respective view!
ApplicationController.SymbolListController.IfNotNull(ctrl => ctrl.AddSymbol(item.Name)).Else(() => ApplicationModel.IncrementSymbolReference(item.Name));
ApplicationController.StructureListController.IfNotNull(ctrl => ctrl.AddStructure(item.Structure)).Else(() => ApplicationModel.IncrementStructureReference(item.Structure));
}
else
{
if (!String.IsNullOrEmpty(item.Name))
{
tn.Text = item.Name;
}
}
// string name = ((IHasCollection)item).Name;
// tn.Text = (String.IsNullOrWhiteSpace(name) ? tn.Text : name);
RecurseCollection(nodeDef, item, tn);
}
}
}
}
/// <summary>
/// Recursively copy the tree at src into dest.
/// </summary>
protected void CopyNodes(TreeNode dest, TreeNode src)
{
foreach (TreeNode childSrcNode in src.Nodes)
{
NodeInstance childInst = (NodeInstance)childSrcNode.Tag;
Symbol childInstSymbol = (Symbol)childInst.Instance.Item;
// Create a new controller.
IXtreeNode controller = (IXtreeNode)Activator.CreateInstance(Type.GetType(childInst.NodeDef.TypeName), new object[] { false });
// Create a new symbol.
Symbol item = new Symbol()
{
Name = childInstSymbol.Name, Structure = childInstSymbol.Structure
};
controller.Item = item;
// Add the new symbol to the destination symbol collection.
((Symbol)((NodeInstance)dest.Tag).Instance.Item).Symbols.Add(item);
TreeNode childDestNode = View.AddNode(controller, dest);
// TODO: Yuck. Clean this up so the model is king, and drives any controller, and remove the inc/dec from the respective view!
ApplicationController.SymbolListController.IfNotNull(ctrl => ctrl.AddSymbol(item.Name)).Else(() => ApplicationModel.IncrementSymbolReference(item.Name));
ApplicationController.StructureListController.IfNotNull(ctrl => ctrl.AddStructure(item.Structure)).Else(() => ApplicationModel.IncrementStructureReference(item.Structure));
// Recurse.
CopyNodes(childDestNode, childSrcNode);
}
}